summaryrefslogtreecommitdiffstats
path: root/src/stats.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/stats.c')
-rw-r--r--src/stats.c5521
1 files changed, 5521 insertions, 0 deletions
diff --git a/src/stats.c b/src/stats.c
new file mode 100644
index 0000000..0ed5758
--- /dev/null
+++ b/src/stats.c
@@ -0,0 +1,5521 @@
+/*
+ * Functions dedicated to statistics output and the stats socket
+ *
+ * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
+ * Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <haproxy/api.h>
+#include <haproxy/activity.h>
+#include <haproxy/applet.h>
+#include <haproxy/backend.h>
+#include <haproxy/base64.h>
+#include <haproxy/cfgparse.h>
+#include <haproxy/channel.h>
+#include <haproxy/check.h>
+#include <haproxy/cli.h>
+#include <haproxy/clock.h>
+#include <haproxy/compression.h>
+#include <haproxy/debug.h>
+#include <haproxy/errors.h>
+#include <haproxy/fd.h>
+#include <haproxy/freq_ctr.h>
+#include <haproxy/frontend.h>
+#include <haproxy/global.h>
+#include <haproxy/http.h>
+#include <haproxy/http_ana.h>
+#include <haproxy/http_htx.h>
+#include <haproxy/htx.h>
+#include <haproxy/list.h>
+#include <haproxy/listener.h>
+#include <haproxy/log.h>
+#include <haproxy/map-t.h>
+#include <haproxy/pattern-t.h>
+#include <haproxy/pipe.h>
+#include <haproxy/pool.h>
+#include <haproxy/proxy.h>
+#include <haproxy/resolvers.h>
+#include <haproxy/sc_strm.h>
+#include <haproxy/server.h>
+#include <haproxy/session.h>
+#include <haproxy/stats.h>
+#include <haproxy/stconn.h>
+#include <haproxy/stream.h>
+#include <haproxy/task.h>
+#include <haproxy/ticks.h>
+#include <haproxy/time.h>
+#include <haproxy/tools.h>
+#include <haproxy/uri_auth-t.h>
+#include <haproxy/version.h>
+
+
+/* status codes available for the stats admin page (strictly 4 chars length) */
+const char *stat_status_codes[STAT_STATUS_SIZE] = {
+ [STAT_STATUS_DENY] = "DENY",
+ [STAT_STATUS_DONE] = "DONE",
+ [STAT_STATUS_ERRP] = "ERRP",
+ [STAT_STATUS_EXCD] = "EXCD",
+ [STAT_STATUS_NONE] = "NONE",
+ [STAT_STATUS_PART] = "PART",
+ [STAT_STATUS_UNKN] = "UNKN",
+ [STAT_STATUS_IVAL] = "IVAL",
+};
+
+/* These are the field names for each INF_* field position. Please pay attention
+ * to always use the exact same name except that the strings for new names must
+ * be lower case or CamelCase while the enum entries must be upper case.
+ */
+const struct name_desc info_fields[INF_TOTAL_FIELDS] = {
+ [INF_NAME] = { .name = "Name", .desc = "Product name" },
+ [INF_VERSION] = { .name = "Version", .desc = "Product version" },
+ [INF_RELEASE_DATE] = { .name = "Release_date", .desc = "Date of latest source code update" },
+ [INF_NBTHREAD] = { .name = "Nbthread", .desc = "Number of started threads (global.nbthread)" },
+ [INF_NBPROC] = { .name = "Nbproc", .desc = "Number of started worker processes (historical, always 1)" },
+ [INF_PROCESS_NUM] = { .name = "Process_num", .desc = "Relative worker process number (1)" },
+ [INF_PID] = { .name = "Pid", .desc = "This worker process identifier for the system" },
+ [INF_UPTIME] = { .name = "Uptime", .desc = "How long ago this worker process was started (days+hours+minutes+seconds)" },
+ [INF_UPTIME_SEC] = { .name = "Uptime_sec", .desc = "How long ago this worker process was started (seconds)" },
+ [INF_START_TIME_SEC] = { .name = "Start_time_sec", .desc = "Start time in seconds" },
+ [INF_MEMMAX_MB] = { .name = "Memmax_MB", .desc = "Worker process's hard limit on memory usage in MB (-m on command line)" },
+ [INF_MEMMAX_BYTES] = { .name = "Memmax_bytes", .desc = "Worker process's hard limit on memory usage in byes (-m on command line)" },
+ [INF_POOL_ALLOC_MB] = { .name = "PoolAlloc_MB", .desc = "Amount of memory allocated in pools (in MB)" },
+ [INF_POOL_ALLOC_BYTES] = { .name = "PoolAlloc_bytes", .desc = "Amount of memory allocated in pools (in bytes)" },
+ [INF_POOL_USED_MB] = { .name = "PoolUsed_MB", .desc = "Amount of pool memory currently used (in MB)" },
+ [INF_POOL_USED_BYTES] = { .name = "PoolUsed_bytes", .desc = "Amount of pool memory currently used (in bytes)" },
+ [INF_POOL_FAILED] = { .name = "PoolFailed", .desc = "Number of failed pool allocations since this worker was started" },
+ [INF_ULIMIT_N] = { .name = "Ulimit-n", .desc = "Hard limit on the number of per-process file descriptors" },
+ [INF_MAXSOCK] = { .name = "Maxsock", .desc = "Hard limit on the number of per-process sockets" },
+ [INF_MAXCONN] = { .name = "Maxconn", .desc = "Hard limit on the number of per-process connections (configured or imposed by Ulimit-n)" },
+ [INF_HARD_MAXCONN] = { .name = "Hard_maxconn", .desc = "Hard limit on the number of per-process connections (imposed by Memmax_MB or Ulimit-n)" },
+ [INF_CURR_CONN] = { .name = "CurrConns", .desc = "Current number of connections on this worker process" },
+ [INF_CUM_CONN] = { .name = "CumConns", .desc = "Total number of connections on this worker process since started" },
+ [INF_CUM_REQ] = { .name = "CumReq", .desc = "Total number of requests on this worker process since started" },
+ [INF_MAX_SSL_CONNS] = { .name = "MaxSslConns", .desc = "Hard limit on the number of per-process SSL endpoints (front+back), 0=unlimited" },
+ [INF_CURR_SSL_CONNS] = { .name = "CurrSslConns", .desc = "Current number of SSL endpoints on this worker process (front+back)" },
+ [INF_CUM_SSL_CONNS] = { .name = "CumSslConns", .desc = "Total number of SSL endpoints on this worker process since started (front+back)" },
+ [INF_MAXPIPES] = { .name = "Maxpipes", .desc = "Hard limit on the number of pipes for splicing, 0=unlimited" },
+ [INF_PIPES_USED] = { .name = "PipesUsed", .desc = "Current number of pipes in use in this worker process" },
+ [INF_PIPES_FREE] = { .name = "PipesFree", .desc = "Current number of allocated and available pipes in this worker process" },
+ [INF_CONN_RATE] = { .name = "ConnRate", .desc = "Number of front connections created on this worker process over the last second" },
+ [INF_CONN_RATE_LIMIT] = { .name = "ConnRateLimit", .desc = "Hard limit for ConnRate (global.maxconnrate)" },
+ [INF_MAX_CONN_RATE] = { .name = "MaxConnRate", .desc = "Highest ConnRate reached on this worker process since started (in connections per second)" },
+ [INF_SESS_RATE] = { .name = "SessRate", .desc = "Number of sessions created on this worker process over the last second" },
+ [INF_SESS_RATE_LIMIT] = { .name = "SessRateLimit", .desc = "Hard limit for SessRate (global.maxsessrate)" },
+ [INF_MAX_SESS_RATE] = { .name = "MaxSessRate", .desc = "Highest SessRate reached on this worker process since started (in sessions per second)" },
+ [INF_SSL_RATE] = { .name = "SslRate", .desc = "Number of SSL connections created on this worker process over the last second" },
+ [INF_SSL_RATE_LIMIT] = { .name = "SslRateLimit", .desc = "Hard limit for SslRate (global.maxsslrate)" },
+ [INF_MAX_SSL_RATE] = { .name = "MaxSslRate", .desc = "Highest SslRate reached on this worker process since started (in connections per second)" },
+ [INF_SSL_FRONTEND_KEY_RATE] = { .name = "SslFrontendKeyRate", .desc = "Number of SSL keys created on frontends in this worker process over the last second" },
+ [INF_SSL_FRONTEND_MAX_KEY_RATE] = { .name = "SslFrontendMaxKeyRate", .desc = "Highest SslFrontendKeyRate reached on this worker process since started (in SSL keys per second)" },
+ [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = { .name = "SslFrontendSessionReuse_pct", .desc = "Percent of frontend SSL connections which did not require a new key" },
+ [INF_SSL_BACKEND_KEY_RATE] = { .name = "SslBackendKeyRate", .desc = "Number of SSL keys created on backends in this worker process over the last second" },
+ [INF_SSL_BACKEND_MAX_KEY_RATE] = { .name = "SslBackendMaxKeyRate", .desc = "Highest SslBackendKeyRate reached on this worker process since started (in SSL keys per second)" },
+ [INF_SSL_CACHE_LOOKUPS] = { .name = "SslCacheLookups", .desc = "Total number of SSL session ID lookups in the SSL session cache on this worker since started" },
+ [INF_SSL_CACHE_MISSES] = { .name = "SslCacheMisses", .desc = "Total number of SSL session ID lookups that didn't find a session in the SSL session cache on this worker since started" },
+ [INF_COMPRESS_BPS_IN] = { .name = "CompressBpsIn", .desc = "Number of bytes submitted to the HTTP compressor in this worker process over the last second" },
+ [INF_COMPRESS_BPS_OUT] = { .name = "CompressBpsOut", .desc = "Number of bytes emitted by the HTTP compressor in this worker process over the last second" },
+ [INF_COMPRESS_BPS_RATE_LIM] = { .name = "CompressBpsRateLim", .desc = "Limit of CompressBpsOut beyond which HTTP compression is automatically disabled" },
+ [INF_ZLIB_MEM_USAGE] = { .name = "ZlibMemUsage", .desc = "Amount of memory currently used by HTTP compression on the current worker process (in bytes)" },
+ [INF_MAX_ZLIB_MEM_USAGE] = { .name = "MaxZlibMemUsage", .desc = "Limit on the amount of memory used by HTTP compression above which it is automatically disabled (in bytes, see global.maxzlibmem)" },
+ [INF_TASKS] = { .name = "Tasks", .desc = "Total number of tasks in the current worker process (active + sleeping)" },
+ [INF_RUN_QUEUE] = { .name = "Run_queue", .desc = "Total number of active tasks+tasklets in the current worker process" },
+ [INF_IDLE_PCT] = { .name = "Idle_pct", .desc = "Percentage of last second spent waiting in the current worker thread" },
+ [INF_NODE] = { .name = "node", .desc = "Node name (global.node)" },
+ [INF_DESCRIPTION] = { .name = "description", .desc = "Node description (global.description)" },
+ [INF_STOPPING] = { .name = "Stopping", .desc = "1 if the worker process is currently stopping, otherwise zero" },
+ [INF_JOBS] = { .name = "Jobs", .desc = "Current number of active jobs on the current worker process (frontend connections, master connections, listeners)" },
+ [INF_UNSTOPPABLE_JOBS] = { .name = "Unstoppable Jobs", .desc = "Current number of unstoppable jobs on the current worker process (master connections)" },
+ [INF_LISTENERS] = { .name = "Listeners", .desc = "Current number of active listeners on the current worker process" },
+ [INF_ACTIVE_PEERS] = { .name = "ActivePeers", .desc = "Current number of verified active peers connections on the current worker process" },
+ [INF_CONNECTED_PEERS] = { .name = "ConnectedPeers", .desc = "Current number of peers having passed the connection step on the current worker process" },
+ [INF_DROPPED_LOGS] = { .name = "DroppedLogs", .desc = "Total number of dropped logs for current worker process since started" },
+ [INF_BUSY_POLLING] = { .name = "BusyPolling", .desc = "1 if busy-polling is currently in use on the worker process, otherwise zero (config.busy-polling)" },
+ [INF_FAILED_RESOLUTIONS] = { .name = "FailedResolutions", .desc = "Total number of failed DNS resolutions in current worker process since started" },
+ [INF_TOTAL_BYTES_OUT] = { .name = "TotalBytesOut", .desc = "Total number of bytes emitted by current worker process since started" },
+ [INF_TOTAL_SPLICED_BYTES_OUT] = { .name = "TotalSplicedBytesOut", .desc = "Total number of bytes emitted by current worker process through a kernel pipe since started" },
+ [INF_BYTES_OUT_RATE] = { .name = "BytesOutRate", .desc = "Number of bytes emitted by current worker process over the last second" },
+ [INF_DEBUG_COMMANDS_ISSUED] = { .name = "DebugCommandsIssued", .desc = "Number of debug commands issued on this process (anything > 0 is unsafe)" },
+ [INF_CUM_LOG_MSGS] = { .name = "CumRecvLogs", .desc = "Total number of log messages received by log-forwarding listeners on this worker process since started" },
+ [INF_BUILD_INFO] = { .name = "Build info", .desc = "Build info" },
+ [INF_TAINTED] = { .name = "Tainted", .desc = "Experimental features used" },
+ [INF_WARNINGS] = { .name = "TotalWarnings", .desc = "Total warnings issued" },
+ [INF_MAXCONN_REACHED] = { .name = "MaxconnReached", .desc = "Number of times an accepted connection resulted in Maxconn being reached" },
+ [INF_BOOTTIME_MS] = { .name = "BootTime_ms", .desc = "How long ago it took to parse and process the config before being ready (milliseconds)" },
+ [INF_NICED_TASKS] = { .name = "Niced_tasks", .desc = "Total number of active tasks+tasklets in the current worker process (Run_queue) that are niced" },
+};
+
+const struct name_desc stat_fields[ST_F_TOTAL_FIELDS] = {
+ [ST_F_PXNAME] = { .name = "pxname", .desc = "Proxy name" },
+ [ST_F_SVNAME] = { .name = "svname", .desc = "Server name" },
+ [ST_F_QCUR] = { .name = "qcur", .desc = "Number of current queued connections" },
+ [ST_F_QMAX] = { .name = "qmax", .desc = "Highest value of queued connections encountered since process started" },
+ [ST_F_SCUR] = { .name = "scur", .desc = "Number of current sessions on the frontend, backend or server" },
+ [ST_F_SMAX] = { .name = "smax", .desc = "Highest value of current sessions encountered since process started" },
+ [ST_F_SLIM] = { .name = "slim", .desc = "Frontend/listener/server's maxconn, backend's fullconn" },
+ [ST_F_STOT] = { .name = "stot", .desc = "Total number of sessions since process started" },
+ [ST_F_BIN] = { .name = "bin", .desc = "Total number of request bytes since process started" },
+ [ST_F_BOUT] = { .name = "bout", .desc = "Total number of response bytes since process started" },
+ [ST_F_DREQ] = { .name = "dreq", .desc = "Total number of denied requests since process started" },
+ [ST_F_DRESP] = { .name = "dresp", .desc = "Total number of denied responses since process started" },
+ [ST_F_EREQ] = { .name = "ereq", .desc = "Total number of invalid requests since process started" },
+ [ST_F_ECON] = { .name = "econ", .desc = "Total number of failed connections to server since the worker process started" },
+ [ST_F_ERESP] = { .name = "eresp", .desc = "Total number of invalid responses since the worker process started" },
+ [ST_F_WRETR] = { .name = "wretr", .desc = "Total number of server connection retries since the worker process started" },
+ [ST_F_WREDIS] = { .name = "wredis", .desc = "Total number of server redispatches due to connection failures since the worker process started" },
+ [ST_F_STATUS] = { .name = "status", .desc = "Frontend/listen status: OPEN/WAITING/FULL/STOP; backend: UP/DOWN; server: last check status" },
+ [ST_F_WEIGHT] = { .name = "weight", .desc = "Server's effective weight, or sum of active servers' effective weights for a backend" },
+ [ST_F_ACT] = { .name = "act", .desc = "Total number of active UP servers with a non-zero weight" },
+ [ST_F_BCK] = { .name = "bck", .desc = "Total number of backup UP servers with a non-zero weight" },
+ [ST_F_CHKFAIL] = { .name = "chkfail", .desc = "Total number of failed individual health checks per server/backend, since the worker process started" },
+ [ST_F_CHKDOWN] = { .name = "chkdown", .desc = "Total number of failed checks causing UP to DOWN server transitions, per server/backend, since the worker process started" },
+ [ST_F_LASTCHG] = { .name = "lastchg", .desc = "How long ago the last server state changed, in seconds" },
+ [ST_F_DOWNTIME] = { .name = "downtime", .desc = "Total time spent in DOWN state, for server or backend" },
+ [ST_F_QLIMIT] = { .name = "qlimit", .desc = "Limit on the number of connections in queue, for servers only (maxqueue argument)" },
+ [ST_F_PID] = { .name = "pid", .desc = "Relative worker process number (1)" },
+ [ST_F_IID] = { .name = "iid", .desc = "Frontend or Backend numeric identifier ('id' setting)" },
+ [ST_F_SID] = { .name = "sid", .desc = "Server numeric identifier ('id' setting)" },
+ [ST_F_THROTTLE] = { .name = "throttle", .desc = "Throttling ratio applied to a server's maxconn and weight during the slowstart period (0 to 100%)" },
+ [ST_F_LBTOT] = { .name = "lbtot", .desc = "Total number of requests routed by load balancing since the worker process started (ignores queue pop and stickiness)" },
+ [ST_F_TRACKED] = { .name = "tracked", .desc = "Name of the other server this server tracks for its state" },
+ [ST_F_TYPE] = { .name = "type", .desc = "Type of the object (Listener, Frontend, Backend, Server)" },
+ [ST_F_RATE] = { .name = "rate", .desc = "Total number of sessions processed by this object over the last second (sessions for listeners/frontends, requests for backends/servers)" },
+ [ST_F_RATE_LIM] = { .name = "rate_lim", .desc = "Limit on the number of sessions accepted in a second (frontend only, 'rate-limit sessions' setting)" },
+ [ST_F_RATE_MAX] = { .name = "rate_max", .desc = "Highest value of sessions per second observed since the worker process started" },
+ [ST_F_CHECK_STATUS] = { .name = "check_status", .desc = "Status report of the server's latest health check, prefixed with '*' if a check is currently in progress" },
+ [ST_F_CHECK_CODE] = { .name = "check_code", .desc = "HTTP/SMTP/LDAP status code reported by the latest server health check" },
+ [ST_F_CHECK_DURATION] = { .name = "check_duration", .desc = "Total duration of the latest server health check, in milliseconds" },
+ [ST_F_HRSP_1XX] = { .name = "hrsp_1xx", .desc = "Total number of HTTP responses with status 100-199 returned by this object since the worker process started" },
+ [ST_F_HRSP_2XX] = { .name = "hrsp_2xx", .desc = "Total number of HTTP responses with status 200-299 returned by this object since the worker process started" },
+ [ST_F_HRSP_3XX] = { .name = "hrsp_3xx", .desc = "Total number of HTTP responses with status 300-399 returned by this object since the worker process started" },
+ [ST_F_HRSP_4XX] = { .name = "hrsp_4xx", .desc = "Total number of HTTP responses with status 400-499 returned by this object since the worker process started" },
+ [ST_F_HRSP_5XX] = { .name = "hrsp_5xx", .desc = "Total number of HTTP responses with status 500-599 returned by this object since the worker process started" },
+ [ST_F_HRSP_OTHER] = { .name = "hrsp_other", .desc = "Total number of HTTP responses with status <100, >599 returned by this object since the worker process started (error -1 included)" },
+ [ST_F_HANAFAIL] = { .name = "hanafail", .desc = "Total number of failed checks caused by an 'on-error' directive after an 'observe' condition matched" },
+ [ST_F_REQ_RATE] = { .name = "req_rate", .desc = "Number of HTTP requests processed over the last second on this object" },
+ [ST_F_REQ_RATE_MAX] = { .name = "req_rate_max", .desc = "Highest value of http requests observed since the worker process started" },
+ [ST_F_REQ_TOT] = { .name = "req_tot", .desc = "Total number of HTTP requests processed by this object since the worker process started" },
+ [ST_F_CLI_ABRT] = { .name = "cli_abrt", .desc = "Total number of requests or connections aborted by the client since the worker process started" },
+ [ST_F_SRV_ABRT] = { .name = "srv_abrt", .desc = "Total number of requests or connections aborted by the server since the worker process started" },
+ [ST_F_COMP_IN] = { .name = "comp_in", .desc = "Total number of bytes submitted to the HTTP compressor for this object since the worker process started" },
+ [ST_F_COMP_OUT] = { .name = "comp_out", .desc = "Total number of bytes emitted by the HTTP compressor for this object since the worker process started" },
+ [ST_F_COMP_BYP] = { .name = "comp_byp", .desc = "Total number of bytes that bypassed HTTP compression for this object since the worker process started (CPU/memory/bandwidth limitation)" },
+ [ST_F_COMP_RSP] = { .name = "comp_rsp", .desc = "Total number of HTTP responses that were compressed for this object since the worker process started" },
+ [ST_F_LASTSESS] = { .name = "lastsess", .desc = "How long ago some traffic was seen on this object on this worker process, in seconds" },
+ [ST_F_LAST_CHK] = { .name = "last_chk", .desc = "Short description of the latest health check report for this server (see also check_desc)" },
+ [ST_F_LAST_AGT] = { .name = "last_agt", .desc = "Short description of the latest agent check report for this server (see also agent_desc)" },
+ [ST_F_QTIME] = { .name = "qtime", .desc = "Time spent in the queue, in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_F_CTIME] = { .name = "ctime", .desc = "Time spent waiting for a connection to complete, in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_F_RTIME] = { .name = "rtime", .desc = "Time spent waiting for a server response, in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_F_TTIME] = { .name = "ttime", .desc = "Total request+response time (request+queue+connect+response+processing), in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_F_AGENT_STATUS] = { .name = "agent_status", .desc = "Status report of the server's latest agent check, prefixed with '*' if a check is currently in progress" },
+ [ST_F_AGENT_CODE] = { .name = "agent_code", .desc = "Status code reported by the latest server agent check" },
+ [ST_F_AGENT_DURATION] = { .name = "agent_duration", .desc = "Total duration of the latest server agent check, in milliseconds" },
+ [ST_F_CHECK_DESC] = { .name = "check_desc", .desc = "Textual description of the latest health check report for this server" },
+ [ST_F_AGENT_DESC] = { .name = "agent_desc", .desc = "Textual description of the latest agent check report for this server" },
+ [ST_F_CHECK_RISE] = { .name = "check_rise", .desc = "Number of successful health checks before declaring a server UP (server 'rise' setting)" },
+ [ST_F_CHECK_FALL] = { .name = "check_fall", .desc = "Number of failed health checks before declaring a server DOWN (server 'fall' setting)" },
+ [ST_F_CHECK_HEALTH] = { .name = "check_health", .desc = "Current server health check level (0..fall-1=DOWN, fall..rise-1=UP)" },
+ [ST_F_AGENT_RISE] = { .name = "agent_rise", .desc = "Number of successful agent checks before declaring a server UP (server 'rise' setting)" },
+ [ST_F_AGENT_FALL] = { .name = "agent_fall", .desc = "Number of failed agent checks before declaring a server DOWN (server 'fall' setting)" },
+ [ST_F_AGENT_HEALTH] = { .name = "agent_health", .desc = "Current server agent check level (0..fall-1=DOWN, fall..rise-1=UP)" },
+ [ST_F_ADDR] = { .name = "addr", .desc = "Server's address:port, shown only if show-legends is set, or at levels oper/admin for the CLI" },
+ [ST_F_COOKIE] = { .name = "cookie", .desc = "Backend's cookie name or Server's cookie value, shown only if show-legends is set, or at levels oper/admin for the CLI" },
+ [ST_F_MODE] = { .name = "mode", .desc = "'mode' setting (tcp/http/health/cli)" },
+ [ST_F_ALGO] = { .name = "algo", .desc = "Backend's load balancing algorithm, shown only if show-legends is set, or at levels oper/admin for the CLI" },
+ [ST_F_CONN_RATE] = { .name = "conn_rate", .desc = "Number of new connections accepted over the last second on the frontend for this worker process" },
+ [ST_F_CONN_RATE_MAX] = { .name = "conn_rate_max", .desc = "Highest value of connections per second observed since the worker process started" },
+ [ST_F_CONN_TOT] = { .name = "conn_tot", .desc = "Total number of new connections accepted on this frontend since the worker process started" },
+ [ST_F_INTERCEPTED] = { .name = "intercepted", .desc = "Total number of HTTP requests intercepted on the frontend (redirects/stats/services) since the worker process started" },
+ [ST_F_DCON] = { .name = "dcon", .desc = "Total number of incoming connections blocked on a listener/frontend by a tcp-request connection rule since the worker process started" },
+ [ST_F_DSES] = { .name = "dses", .desc = "Total number of incoming sessions blocked on a listener/frontend by a tcp-request connection rule since the worker process started" },
+ [ST_F_WREW] = { .name = "wrew", .desc = "Total number of failed HTTP header rewrites since the worker process started" },
+ [ST_F_CONNECT] = { .name = "connect", .desc = "Total number of outgoing connection attempts on this backend/server since the worker process started" },
+ [ST_F_REUSE] = { .name = "reuse", .desc = "Total number of reused connection on this backend/server since the worker process started" },
+ [ST_F_CACHE_LOOKUPS] = { .name = "cache_lookups", .desc = "Total number of HTTP requests looked up in the cache on this frontend/backend since the worker process started" },
+ [ST_F_CACHE_HITS] = { .name = "cache_hits", .desc = "Total number of HTTP requests not found in the cache on this frontend/backend since the worker process started" },
+ [ST_F_SRV_ICUR] = { .name = "srv_icur", .desc = "Current number of idle connections available for reuse on this server" },
+ [ST_F_SRV_ILIM] = { .name = "src_ilim", .desc = "Limit on the number of available idle connections on this server (server 'pool_max_conn' directive)" },
+ [ST_F_QT_MAX] = { .name = "qtime_max", .desc = "Maximum observed time spent in the queue, in milliseconds (backend/server)" },
+ [ST_F_CT_MAX] = { .name = "ctime_max", .desc = "Maximum observed time spent waiting for a connection to complete, in milliseconds (backend/server)" },
+ [ST_F_RT_MAX] = { .name = "rtime_max", .desc = "Maximum observed time spent waiting for a server response, in milliseconds (backend/server)" },
+ [ST_F_TT_MAX] = { .name = "ttime_max", .desc = "Maximum observed total request+response time (request+queue+connect+response+processing), in milliseconds (backend/server)" },
+ [ST_F_EINT] = { .name = "eint", .desc = "Total number of internal errors since process started"},
+ [ST_F_IDLE_CONN_CUR] = { .name = "idle_conn_cur", .desc = "Current number of unsafe idle connections"},
+ [ST_F_SAFE_CONN_CUR] = { .name = "safe_conn_cur", .desc = "Current number of safe idle connections"},
+ [ST_F_USED_CONN_CUR] = { .name = "used_conn_cur", .desc = "Current number of connections in use"},
+ [ST_F_NEED_CONN_EST] = { .name = "need_conn_est", .desc = "Estimated needed number of connections"},
+ [ST_F_UWEIGHT] = { .name = "uweight", .desc = "Server's user weight, or sum of active servers' user weights for a backend" },
+ [ST_F_AGG_SRV_CHECK_STATUS] = { .name = "agg_server_check_status", .desc = "[DEPRECATED] Backend's aggregated gauge of servers' status" },
+ [ST_F_AGG_SRV_STATUS ] = { .name = "agg_server_status", .desc = "Backend's aggregated gauge of servers' status" },
+ [ST_F_AGG_CHECK_STATUS] = { .name = "agg_check_status", .desc = "Backend's aggregated gauge of servers' state check status" },
+ [ST_F_SRID] = { .name = "srid", .desc = "Server id revision, to prevent server id reuse mixups" },
+ [ST_F_SESS_OTHER] = { .name = "sess_other", .desc = "Total number of sessions other than HTTP since process started" },
+ [ST_F_H1SESS] = { .name = "h1sess", .desc = "Total number of HTTP/1 sessions since process started" },
+ [ST_F_H2SESS] = { .name = "h2sess", .desc = "Total number of HTTP/2 sessions since process started" },
+ [ST_F_H3SESS] = { .name = "h3sess", .desc = "Total number of HTTP/3 sessions since process started" },
+ [ST_F_REQ_OTHER] = { .name = "req_other", .desc = "Total number of sessions other than HTTP processed by this object since the worker process started" },
+ [ST_F_H1REQ] = { .name = "h1req", .desc = "Total number of HTTP/1 sessions processed by this object since the worker process started" },
+ [ST_F_H2REQ] = { .name = "h2req", .desc = "Total number of hTTP/2 sessions processed by this object since the worker process started" },
+ [ST_F_H3REQ] = { .name = "h3req", .desc = "Total number of HTTP/3 sessions processed by this object since the worker process started" },
+ [ST_F_PROTO] = { .name = "proto", .desc = "Protocol" },
+};
+
+/* one line of info */
+THREAD_LOCAL struct field info[INF_TOTAL_FIELDS];
+
+/* description of statistics (static and dynamic) */
+static struct name_desc *stat_f[STATS_DOMAIN_COUNT];
+static size_t stat_count[STATS_DOMAIN_COUNT];
+
+/* one line for stats */
+THREAD_LOCAL struct field *stat_l[STATS_DOMAIN_COUNT];
+
+/* list of all registered stats module */
+static struct list stats_module_list[STATS_DOMAIN_COUNT] = {
+ LIST_HEAD_INIT(stats_module_list[STATS_DOMAIN_PROXY]),
+ LIST_HEAD_INIT(stats_module_list[STATS_DOMAIN_RESOLVERS]),
+};
+
+THREAD_LOCAL void *trash_counters;
+static THREAD_LOCAL struct buffer trash_chunk = BUF_NULL;
+
+
+static inline uint8_t stats_get_domain(uint32_t domain)
+{
+ return domain >> STATS_DOMAIN & STATS_DOMAIN_MASK;
+}
+
+static inline enum stats_domain_px_cap stats_px_get_cap(uint32_t domain)
+{
+ return domain >> STATS_PX_CAP & STATS_PX_CAP_MASK;
+}
+
+static void stats_dump_json_schema(struct buffer *out);
+
+int stats_putchk(struct appctx *appctx, struct htx *htx)
+{
+ struct stconn *sc = appctx_sc(appctx);
+ struct channel *chn = sc_ic(sc);
+ struct buffer *chk = &trash_chunk;
+
+ if (htx) {
+ if (chk->data >= channel_htx_recv_max(chn, htx)) {
+ sc_need_room(sc, chk->data);
+ return 0;
+ }
+ if (!htx_add_data_atonce(htx, ist2(chk->area, chk->data))) {
+ sc_need_room(sc, 0);
+ return 0;
+ }
+ channel_add_input(chn, chk->data);
+ chk->data = 0;
+ }
+ else {
+ if (applet_putchk(appctx, chk) == -1)
+ return 0;
+ }
+ return 1;
+}
+
+static const char *stats_scope_ptr(struct appctx *appctx, struct stconn *sc)
+{
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct channel *req = sc_oc(sc);
+ struct htx *htx = htxbuf(&req->buf);
+ struct htx_blk *blk;
+ struct ist uri;
+
+ blk = htx_get_head_blk(htx);
+ BUG_ON(!blk || htx_get_blk_type(blk) != HTX_BLK_REQ_SL);
+ ALREADY_CHECKED(blk);
+ uri = htx_sl_req_uri(htx_get_blk_ptr(htx, blk));
+ return uri.ptr + ctx->scope_str;
+}
+
+/*
+ * http_stats_io_handler()
+ * -> stats_dump_stat_to_buffer() // same as above, but used for CSV or HTML
+ * -> stats_dump_csv_header() // emits the CSV headers (same as above)
+ * -> stats_dump_json_header() // emits the JSON headers (same as above)
+ * -> stats_dump_html_head() // emits the HTML headers
+ * -> stats_dump_html_info() // emits the equivalent of "show info" at the top
+ * -> stats_dump_proxy_to_buffer() // same as above, valid for CSV and HTML
+ * -> stats_dump_html_px_hdr()
+ * -> stats_dump_fe_stats()
+ * -> stats_dump_li_stats()
+ * -> stats_dump_sv_stats()
+ * -> stats_dump_be_stats()
+ * -> stats_dump_html_px_end()
+ * -> stats_dump_html_end() // emits HTML trailer
+ * -> stats_dump_json_end() // emits JSON trailer
+ */
+
+
+/* Dumps the stats CSV header to the local trash buffer. The caller is
+ * responsible for clearing it if needed.
+ * NOTE: Some tools happen to rely on the field position instead of its name,
+ * so please only append new fields at the end, never in the middle.
+ */
+static void stats_dump_csv_header(enum stats_domain domain)
+{
+ int field;
+
+ chunk_appendf(&trash_chunk, "# ");
+ if (stat_f[domain]) {
+ for (field = 0; field < stat_count[domain]; ++field) {
+ chunk_appendf(&trash_chunk, "%s,", stat_f[domain][field].name);
+
+ /* print special delimiter on proxy stats to mark end of
+ static fields */
+ if (domain == STATS_DOMAIN_PROXY && field + 1 == ST_F_TOTAL_FIELDS)
+ chunk_appendf(&trash_chunk, "-,");
+ }
+ }
+
+ chunk_appendf(&trash_chunk, "\n");
+}
+
+/* Emits a stats field without any surrounding element and properly encoded to
+ * resist CSV output. Returns non-zero on success, 0 if the buffer is full.
+ */
+int stats_emit_raw_data_field(struct buffer *out, const struct field *f)
+{
+ switch (field_format(f, 0)) {
+ case FF_EMPTY: return 1;
+ case FF_S32: return chunk_appendf(out, "%d", f->u.s32);
+ case FF_U32: return chunk_appendf(out, "%u", f->u.u32);
+ case FF_S64: return chunk_appendf(out, "%lld", (long long)f->u.s64);
+ case FF_U64: return chunk_appendf(out, "%llu", (unsigned long long)f->u.u64);
+ case FF_FLT: {
+ size_t prev_data = out->data;
+ out->data = flt_trim(out->area, prev_data, chunk_appendf(out, "%f", f->u.flt));
+ return out->data;
+ }
+ case FF_STR: return csv_enc_append(field_str(f, 0), 1, 2, out) != NULL;
+ default: return chunk_appendf(out, "[INCORRECT_FIELD_TYPE_%08x]", f->type);
+ }
+}
+
+const char *field_to_html_str(const struct field *f)
+{
+ switch (field_format(f, 0)) {
+ case FF_S32: return U2H(f->u.s32);
+ case FF_S64: return U2H(f->u.s64);
+ case FF_U64: return U2H(f->u.u64);
+ case FF_U32: return U2H(f->u.u32);
+ case FF_FLT: return F2H(f->u.flt);
+ case FF_STR: return field_str(f, 0);
+ case FF_EMPTY:
+ default:
+ return "";
+ }
+}
+
+/* Emits a stats field prefixed with its type. No CSV encoding is prepared, the
+ * output is supposed to be used on its own line. Returns non-zero on success, 0
+ * if the buffer is full.
+ */
+int stats_emit_typed_data_field(struct buffer *out, const struct field *f)
+{
+ switch (field_format(f, 0)) {
+ case FF_EMPTY: return 1;
+ case FF_S32: return chunk_appendf(out, "s32:%d", f->u.s32);
+ case FF_U32: return chunk_appendf(out, "u32:%u", f->u.u32);
+ case FF_S64: return chunk_appendf(out, "s64:%lld", (long long)f->u.s64);
+ case FF_U64: return chunk_appendf(out, "u64:%llu", (unsigned long long)f->u.u64);
+ case FF_FLT: {
+ size_t prev_data = out->data;
+ out->data = flt_trim(out->area, prev_data, chunk_appendf(out, "flt:%f", f->u.flt));
+ return out->data;
+ }
+ case FF_STR: return chunk_appendf(out, "str:%s", field_str(f, 0));
+ default: return chunk_appendf(out, "%08x:?", f->type);
+ }
+}
+
+/* Limit JSON integer values to the range [-(2**53)+1, (2**53)-1] as per
+ * the recommendation for interoperable integers in section 6 of RFC 7159.
+ */
+#define JSON_INT_MAX ((1ULL << 53) - 1)
+#define JSON_INT_MIN (0 - JSON_INT_MAX)
+
+/* Emits a stats field value and its type in JSON.
+ * Returns non-zero on success, 0 on error.
+ */
+int stats_emit_json_data_field(struct buffer *out, const struct field *f)
+{
+ int old_len;
+ char buf[20];
+ const char *type, *value = buf, *quote = "";
+
+ switch (field_format(f, 0)) {
+ case FF_EMPTY: return 1;
+ case FF_S32: type = "\"s32\"";
+ snprintf(buf, sizeof(buf), "%d", f->u.s32);
+ break;
+ case FF_U32: type = "\"u32\"";
+ snprintf(buf, sizeof(buf), "%u", f->u.u32);
+ break;
+ case FF_S64: type = "\"s64\"";
+ if (f->u.s64 < JSON_INT_MIN || f->u.s64 > JSON_INT_MAX)
+ return 0;
+ type = "\"s64\"";
+ snprintf(buf, sizeof(buf), "%lld", (long long)f->u.s64);
+ break;
+ case FF_U64: if (f->u.u64 > JSON_INT_MAX)
+ return 0;
+ type = "\"u64\"";
+ snprintf(buf, sizeof(buf), "%llu",
+ (unsigned long long) f->u.u64);
+ break;
+ case FF_FLT: type = "\"flt\"";
+ flt_trim(buf, 0, snprintf(buf, sizeof(buf), "%f", f->u.flt));
+ break;
+ case FF_STR: type = "\"str\"";
+ value = field_str(f, 0);
+ quote = "\"";
+ break;
+ default: snprintf(buf, sizeof(buf), "%u", f->type);
+ type = buf;
+ value = "unknown";
+ quote = "\"";
+ break;
+ }
+
+ old_len = out->data;
+ chunk_appendf(out, ",\"value\":{\"type\":%s,\"value\":%s%s%s}",
+ type, quote, value, quote);
+ return !(old_len == out->data);
+}
+
+/* Emits an encoding of the field type on 3 characters followed by a delimiter.
+ * Returns non-zero on success, 0 if the buffer is full.
+ */
+int stats_emit_field_tags(struct buffer *out, const struct field *f,
+ char delim)
+{
+ char origin, nature, scope;
+
+ switch (field_origin(f, 0)) {
+ case FO_METRIC: origin = 'M'; break;
+ case FO_STATUS: origin = 'S'; break;
+ case FO_KEY: origin = 'K'; break;
+ case FO_CONFIG: origin = 'C'; break;
+ case FO_PRODUCT: origin = 'P'; break;
+ default: origin = '?'; break;
+ }
+
+ switch (field_nature(f, 0)) {
+ case FN_GAUGE: nature = 'G'; break;
+ case FN_LIMIT: nature = 'L'; break;
+ case FN_MIN: nature = 'm'; break;
+ case FN_MAX: nature = 'M'; break;
+ case FN_RATE: nature = 'R'; break;
+ case FN_COUNTER: nature = 'C'; break;
+ case FN_DURATION: nature = 'D'; break;
+ case FN_AGE: nature = 'A'; break;
+ case FN_TIME: nature = 'T'; break;
+ case FN_NAME: nature = 'N'; break;
+ case FN_OUTPUT: nature = 'O'; break;
+ case FN_AVG: nature = 'a'; break;
+ default: nature = '?'; break;
+ }
+
+ switch (field_scope(f, 0)) {
+ case FS_PROCESS: scope = 'P'; break;
+ case FS_SERVICE: scope = 'S'; break;
+ case FS_SYSTEM: scope = 's'; break;
+ case FS_CLUSTER: scope = 'C'; break;
+ default: scope = '?'; break;
+ }
+
+ return chunk_appendf(out, "%c%c%c%c", origin, nature, scope, delim);
+}
+
+/* Emits an encoding of the field type as JSON.
+ * Returns non-zero on success, 0 if the buffer is full.
+ */
+int stats_emit_json_field_tags(struct buffer *out, const struct field *f)
+{
+ const char *origin, *nature, *scope;
+ int old_len;
+
+ switch (field_origin(f, 0)) {
+ case FO_METRIC: origin = "Metric"; break;
+ case FO_STATUS: origin = "Status"; break;
+ case FO_KEY: origin = "Key"; break;
+ case FO_CONFIG: origin = "Config"; break;
+ case FO_PRODUCT: origin = "Product"; break;
+ default: origin = "Unknown"; break;
+ }
+
+ switch (field_nature(f, 0)) {
+ case FN_GAUGE: nature = "Gauge"; break;
+ case FN_LIMIT: nature = "Limit"; break;
+ case FN_MIN: nature = "Min"; break;
+ case FN_MAX: nature = "Max"; break;
+ case FN_RATE: nature = "Rate"; break;
+ case FN_COUNTER: nature = "Counter"; break;
+ case FN_DURATION: nature = "Duration"; break;
+ case FN_AGE: nature = "Age"; break;
+ case FN_TIME: nature = "Time"; break;
+ case FN_NAME: nature = "Name"; break;
+ case FN_OUTPUT: nature = "Output"; break;
+ case FN_AVG: nature = "Avg"; break;
+ default: nature = "Unknown"; break;
+ }
+
+ switch (field_scope(f, 0)) {
+ case FS_PROCESS: scope = "Process"; break;
+ case FS_SERVICE: scope = "Service"; break;
+ case FS_SYSTEM: scope = "System"; break;
+ case FS_CLUSTER: scope = "Cluster"; break;
+ default: scope = "Unknown"; break;
+ }
+
+ old_len = out->data;
+ chunk_appendf(out, "\"tags\":{"
+ "\"origin\":\"%s\","
+ "\"nature\":\"%s\","
+ "\"scope\":\"%s\""
+ "}", origin, nature, scope);
+ return !(old_len == out->data);
+}
+
+/* Dump all fields from <stats> into <out> using CSV format */
+static int stats_dump_fields_csv(struct buffer *out,
+ const struct field *stats, size_t stats_count,
+ struct show_stat_ctx *ctx)
+{
+ int domain = ctx->domain;
+ int field;
+
+ for (field = 0; field < stats_count; ++field) {
+ if (!stats_emit_raw_data_field(out, &stats[field]))
+ return 0;
+ if (!chunk_strcat(out, ","))
+ return 0;
+
+ /* print special delimiter on proxy stats to mark end of
+ static fields */
+ if (domain == STATS_DOMAIN_PROXY && field + 1 == ST_F_TOTAL_FIELDS) {
+ if (!chunk_strcat(out, "-,"))
+ return 0;
+ }
+ }
+
+ chunk_strcat(out, "\n");
+ return 1;
+}
+
+/* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
+static int stats_dump_fields_typed(struct buffer *out,
+ const struct field *stats,
+ size_t stats_count,
+ struct show_stat_ctx * ctx)
+{
+ int flags = ctx->flags;
+ int domain = ctx->domain;
+ int field;
+
+ for (field = 0; field < stats_count; ++field) {
+ if (!stats[field].type)
+ continue;
+
+ switch (domain) {
+ case STATS_DOMAIN_PROXY:
+ chunk_appendf(out, "%c.%u.%u.%d.%s.%u:",
+ stats[ST_F_TYPE].u.u32 == STATS_TYPE_FE ? 'F' :
+ stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE ? 'B' :
+ stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO ? 'L' :
+ stats[ST_F_TYPE].u.u32 == STATS_TYPE_SV ? 'S' :
+ '?',
+ stats[ST_F_IID].u.u32, stats[ST_F_SID].u.u32,
+ field,
+ stat_f[domain][field].name,
+ stats[ST_F_PID].u.u32);
+ break;
+
+ case STATS_DOMAIN_RESOLVERS:
+ chunk_appendf(out, "N.%d.%s:", field,
+ stat_f[domain][field].name);
+ break;
+
+ default:
+ break;
+ }
+
+ if (!stats_emit_field_tags(out, &stats[field], ':'))
+ return 0;
+ if (!stats_emit_typed_data_field(out, &stats[field]))
+ return 0;
+
+ if (flags & STAT_SHOW_FDESC &&
+ !chunk_appendf(out, ":\"%s\"", stat_f[domain][field].desc)) {
+ return 0;
+ }
+
+ if (!chunk_strcat(out, "\n"))
+ return 0;
+ }
+ return 1;
+}
+
+/* Dump all fields from <stats> into <out> using the "show info json" format */
+static int stats_dump_json_info_fields(struct buffer *out,
+ const struct field *info,
+ struct show_stat_ctx *ctx)
+{
+ int started = (ctx->field) ? 1 : 0;
+ int ready_data = 0;
+
+ if (!started && !chunk_strcat(out, "["))
+ return 0;
+
+ for (; ctx->field < INF_TOTAL_FIELDS; ctx->field++) {
+ int old_len;
+ int field = ctx->field;
+
+ if (!field_format(info, field))
+ continue;
+
+ if (started && !chunk_strcat(out, ","))
+ goto err;
+ started = 1;
+
+ old_len = out->data;
+ chunk_appendf(out,
+ "{\"field\":{\"pos\":%d,\"name\":\"%s\"},"
+ "\"processNum\":%u,",
+ field, info_fields[field].name,
+ info[INF_PROCESS_NUM].u.u32);
+ if (old_len == out->data)
+ goto err;
+
+ if (!stats_emit_json_field_tags(out, &info[field]))
+ goto err;
+
+ if (!stats_emit_json_data_field(out, &info[field]))
+ goto err;
+
+ if (!chunk_strcat(out, "}"))
+ goto err;
+ ready_data = out->data;
+ }
+
+ if (!chunk_strcat(out, "]\n"))
+ goto err;
+ ctx->field = 0; /* we're done */
+ return 1;
+
+err:
+ if (!ready_data) {
+ /* not enough buffer space for a single entry.. */
+ chunk_reset(out);
+ chunk_appendf(out, "{\"errorStr\":\"output buffer too short\"}\n");
+ return 0; /* hard error */
+ }
+ /* push ready data and wait for a new buffer to complete the dump */
+ out->data = ready_data;
+ return 1;
+}
+
+static void stats_print_proxy_field_json(struct buffer *out,
+ const struct field *stat,
+ const char *name,
+ int pos,
+ uint32_t field_type,
+ uint32_t iid,
+ uint32_t sid,
+ uint32_t pid)
+{
+ const char *obj_type;
+ switch (field_type) {
+ case STATS_TYPE_FE: obj_type = "Frontend"; break;
+ case STATS_TYPE_BE: obj_type = "Backend"; break;
+ case STATS_TYPE_SO: obj_type = "Listener"; break;
+ case STATS_TYPE_SV: obj_type = "Server"; break;
+ default: obj_type = "Unknown"; break;
+ }
+
+ chunk_appendf(out,
+ "{"
+ "\"objType\":\"%s\","
+ "\"proxyId\":%u,"
+ "\"id\":%u,"
+ "\"field\":{\"pos\":%d,\"name\":\"%s\"},"
+ "\"processNum\":%u,",
+ obj_type, iid, sid, pos, name, pid);
+}
+
+static void stats_print_rslv_field_json(struct buffer *out,
+ const struct field *stat,
+ const char *name,
+ int pos)
+{
+ chunk_appendf(out,
+ "{"
+ "\"field\":{\"pos\":%d,\"name\":\"%s\"},",
+ pos, name);
+}
+
+
+/* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
+static int stats_dump_fields_json(struct buffer *out,
+ const struct field *stats, size_t stats_count,
+ struct show_stat_ctx *ctx)
+{
+ int flags = ctx->flags;
+ int domain = ctx->domain;
+ int started = (ctx->field) ? 1 : 0;
+ int ready_data = 0;
+
+ if (!started && (flags & STAT_STARTED) && !chunk_strcat(out, ","))
+ return 0;
+ if (!started && !chunk_strcat(out, "["))
+ return 0;
+
+ for (; ctx->field < stats_count; ctx->field++) {
+ int old_len;
+ int field = ctx->field;
+
+ if (!stats[field].type)
+ continue;
+
+ if (started && !chunk_strcat(out, ","))
+ goto err;
+ started = 1;
+
+ old_len = out->data;
+ if (domain == STATS_DOMAIN_PROXY) {
+ stats_print_proxy_field_json(out, &stats[field],
+ stat_f[domain][field].name,
+ field,
+ stats[ST_F_TYPE].u.u32,
+ stats[ST_F_IID].u.u32,
+ stats[ST_F_SID].u.u32,
+ stats[ST_F_PID].u.u32);
+ } else if (domain == STATS_DOMAIN_RESOLVERS) {
+ stats_print_rslv_field_json(out, &stats[field],
+ stat_f[domain][field].name,
+ field);
+ }
+
+ if (old_len == out->data)
+ goto err;
+
+ if (!stats_emit_json_field_tags(out, &stats[field]))
+ goto err;
+
+ if (!stats_emit_json_data_field(out, &stats[field]))
+ goto err;
+
+ if (!chunk_strcat(out, "}"))
+ goto err;
+ ready_data = out->data;
+ }
+
+ if (!chunk_strcat(out, "]"))
+ goto err;
+
+ ctx->field = 0; /* we're done */
+ return 1;
+
+err:
+ if (!ready_data) {
+ /* not enough buffer space for a single entry.. */
+ chunk_reset(out);
+ if (ctx->flags & STAT_STARTED)
+ chunk_strcat(out, ",");
+ chunk_appendf(out, "{\"errorStr\":\"output buffer too short\"}");
+ return 0; /* hard error */
+ }
+ /* push ready data and wait for a new buffer to complete the dump */
+ out->data = ready_data;
+ return 1;
+}
+
+/* Dump all fields from <stats> into <out> using the HTML format. A column is
+ * reserved for the checkbox is STAT_ADMIN is set in <flags>. Some extra info
+ * are provided if STAT_SHLGNDS is present in <flags>. The statistics from
+ * extra modules are displayed at the end of the lines if STAT_SHMODULES is
+ * present in <flags>.
+ */
+static int stats_dump_fields_html(struct buffer *out,
+ const struct field *stats,
+ struct show_stat_ctx *ctx)
+{
+ struct buffer src;
+ struct stats_module *mod;
+ int flags = ctx->flags;
+ int i = 0, j = 0;
+
+ if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_FE) {
+ chunk_appendf(out,
+ /* name, queue */
+ "<tr class=\"frontend\">");
+
+ if (flags & STAT_ADMIN) {
+ /* Column sub-heading for Enable or Disable server */
+ chunk_appendf(out, "<td></td>");
+ }
+
+ chunk_appendf(out,
+ "<td class=ac>"
+ "<a name=\"%s/Frontend\"></a>"
+ "<a class=lfsb href=\"#%s/Frontend\">Frontend</a></td>"
+ "<td colspan=3></td>"
+ "",
+ field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME));
+
+ chunk_appendf(out,
+ /* sessions rate : current */
+ "<td><u>%s<div class=tips><table class=det>"
+ "<tr><th>Current connection rate:</th><td>%s/s</td></tr>"
+ "<tr><th>Current session rate:</th><td>%s/s</td></tr>"
+ "",
+ U2H(stats[ST_F_RATE].u.u32),
+ U2H(stats[ST_F_CONN_RATE].u.u32),
+ U2H(stats[ST_F_RATE].u.u32));
+
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
+ chunk_appendf(out,
+ "<tr><th>Current request rate:</th><td>%s/s</td></tr>",
+ U2H(stats[ST_F_REQ_RATE].u.u32));
+
+ chunk_appendf(out,
+ "</table></div></u></td>"
+ /* sessions rate : max */
+ "<td><u>%s<div class=tips><table class=det>"
+ "<tr><th>Max connection rate:</th><td>%s/s</td></tr>"
+ "<tr><th>Max session rate:</th><td>%s/s</td></tr>"
+ "",
+ U2H(stats[ST_F_RATE_MAX].u.u32),
+ U2H(stats[ST_F_CONN_RATE_MAX].u.u32),
+ U2H(stats[ST_F_RATE_MAX].u.u32));
+
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
+ chunk_appendf(out,
+ "<tr><th>Max request rate:</th><td>%s/s</td></tr>",
+ U2H(stats[ST_F_REQ_RATE_MAX].u.u32));
+
+ chunk_appendf(out,
+ "</table></div></u></td>"
+ /* sessions rate : limit */
+ "<td>%s</td>",
+ LIM2A(stats[ST_F_RATE_LIM].u.u32, "-"));
+
+ chunk_appendf(out,
+ /* sessions: current, max, limit, total */
+ "<td>%s</td><td>%s</td><td>%s</td>"
+ "<td><u>%s<div class=tips><table class=det>"
+ "<tr><th>Cum. connections:</th><td>%s</td></tr>"
+ "<tr><th>Cum. sessions:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
+ U2H(stats[ST_F_STOT].u.u64),
+ U2H(stats[ST_F_CONN_TOT].u.u64),
+ U2H(stats[ST_F_STOT].u.u64));
+
+ /* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
+ chunk_appendf(out,
+ "<tr><th>- HTTP/1 sessions:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP/2 sessions:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP/3 sessions:</th><td>%s</td></tr>"
+ "<tr><th>- other sessions:</th><td>%s</td></tr>"
+ "<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP/1 requests:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP/2 requests:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP/3 requests:</th><td>%s</td></tr>"
+ "<tr><th>- other requests:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_H1SESS].u.u64),
+ U2H(stats[ST_F_H2SESS].u.u64),
+ U2H(stats[ST_F_H3SESS].u.u64),
+ U2H(stats[ST_F_SESS_OTHER].u.u64),
+ U2H(stats[ST_F_REQ_TOT].u.u64),
+ U2H(stats[ST_F_H1REQ].u.u64),
+ U2H(stats[ST_F_H2REQ].u.u64),
+ U2H(stats[ST_F_H3REQ].u.u64),
+ U2H(stats[ST_F_REQ_OTHER].u.u64));
+
+ chunk_appendf(out,
+ "<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
+ "<tr><th>&nbsp;&nbsp;Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- other responses:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_HRSP_1XX].u.u64),
+ U2H(stats[ST_F_HRSP_2XX].u.u64),
+ U2H(stats[ST_F_COMP_RSP].u.u64),
+ stats[ST_F_HRSP_2XX].u.u64 ?
+ (int)(100 * stats[ST_F_COMP_RSP].u.u64 / stats[ST_F_HRSP_2XX].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_3XX].u.u64),
+ U2H(stats[ST_F_HRSP_4XX].u.u64),
+ U2H(stats[ST_F_HRSP_5XX].u.u64),
+ U2H(stats[ST_F_HRSP_OTHER].u.u64));
+
+ chunk_appendf(out,
+ "<tr><th>Intercepted requests:</th><td>%s</td></tr>"
+ "<tr><th>Cache lookups:</th><td>%s</td></tr>"
+ "<tr><th>Cache hits:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
+ "<tr><th>Internal errors:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_INTERCEPTED].u.u64),
+ U2H(stats[ST_F_CACHE_LOOKUPS].u.u64),
+ U2H(stats[ST_F_CACHE_HITS].u.u64),
+ stats[ST_F_CACHE_LOOKUPS].u.u64 ?
+ (int)(100 * stats[ST_F_CACHE_HITS].u.u64 / stats[ST_F_CACHE_LOOKUPS].u.u64) : 0,
+ U2H(stats[ST_F_WREW].u.u64),
+ U2H(stats[ST_F_EINT].u.u64));
+ }
+
+ chunk_appendf(out,
+ "</table></div></u></td>"
+ /* sessions: lbtot, lastsess */
+ "<td></td><td></td>"
+ /* bytes : in */
+ "<td>%s</td>"
+ "",
+ U2H(stats[ST_F_BIN].u.u64));
+
+ chunk_appendf(out,
+ /* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
+ "<td>%s%s<div class=tips><table class=det>"
+ "<tr><th>Response bytes in:</th><td>%s</td></tr>"
+ "<tr><th>Compression in:</th><td>%s</td></tr>"
+ "<tr><th>Compression out:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Compression bypass:</th><td>%s</td></tr>"
+ "<tr><th>Total bytes saved:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "</table></div>%s</td>",
+ (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "<u>":"",
+ U2H(stats[ST_F_BOUT].u.u64),
+ U2H(stats[ST_F_BOUT].u.u64),
+ U2H(stats[ST_F_COMP_IN].u.u64),
+ U2H(stats[ST_F_COMP_OUT].u.u64),
+ stats[ST_F_COMP_IN].u.u64 ? (int)(stats[ST_F_COMP_OUT].u.u64 * 100 / stats[ST_F_COMP_IN].u.u64) : 0,
+ U2H(stats[ST_F_COMP_BYP].u.u64),
+ U2H(stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64),
+ stats[ST_F_BOUT].u.u64 ? (int)((stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64) * 100 / stats[ST_F_BOUT].u.u64) : 0,
+ (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "</u>":"");
+
+ chunk_appendf(out,
+ /* denied: req, resp */
+ "<td>%s</td><td>%s</td>"
+ /* errors : request, connect, response */
+ "<td>%s</td><td></td><td></td>"
+ /* warnings: retries, redispatches */
+ "<td></td><td></td>"
+ /* server status : reflect frontend status */
+ "<td class=ac>%s</td>"
+ /* rest of server: nothing */
+ "<td class=ac colspan=8></td>"
+ "",
+ U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
+ U2H(stats[ST_F_EREQ].u.u64),
+ field_str(stats, ST_F_STATUS));
+
+ if (flags & STAT_SHMODULES) {
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ chunk_appendf(out, "<td>");
+
+ if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE) {
+ chunk_appendf(out,
+ "<u>%s<div class=tips><table class=det>",
+ mod->name);
+ for (j = 0; j < mod->stats_count; ++j) {
+ chunk_appendf(out,
+ "<tr><th>%s</th><td>%s</td></tr>",
+ mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
+ ++i;
+ }
+ chunk_appendf(out, "</table></div></u>");
+ } else {
+ i += mod->stats_count;
+ }
+
+ chunk_appendf(out, "</td>");
+ }
+ }
+
+ chunk_appendf(out, "</tr>");
+ }
+ else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO) {
+ chunk_appendf(out, "<tr class=socket>");
+ if (flags & STAT_ADMIN) {
+ /* Column sub-heading for Enable or Disable server */
+ chunk_appendf(out, "<td></td>");
+ }
+
+ chunk_appendf(out,
+ /* frontend name, listener name */
+ "<td class=ac><a name=\"%s/+%s\"></a>%s"
+ "<a class=lfsb href=\"#%s/+%s\">%s</a>"
+ "",
+ field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME),
+ (flags & STAT_SHLGNDS)?"<u>":"",
+ field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), field_str(stats, ST_F_SVNAME));
+
+ if (flags & STAT_SHLGNDS) {
+ chunk_appendf(out, "<div class=tips>");
+
+ if (isdigit((unsigned char)*field_str(stats, ST_F_ADDR)))
+ chunk_appendf(out, "IPv4: %s, ", field_str(stats, ST_F_ADDR));
+ else if (*field_str(stats, ST_F_ADDR) == '[')
+ chunk_appendf(out, "IPv6: %s, ", field_str(stats, ST_F_ADDR));
+ else if (*field_str(stats, ST_F_ADDR))
+ chunk_appendf(out, "%s, ", field_str(stats, ST_F_ADDR));
+
+ chunk_appendf(out, "proto=%s, ", field_str(stats, ST_F_PROTO));
+
+ /* id */
+ chunk_appendf(out, "id: %d</div>", stats[ST_F_SID].u.u32);
+ }
+
+ chunk_appendf(out,
+ /* queue */
+ "%s</td><td colspan=3></td>"
+ /* sessions rate: current, max, limit */
+ "<td colspan=3>&nbsp;</td>"
+ /* sessions: current, max, limit, total, lbtot, lastsess */
+ "<td>%s</td><td>%s</td><td>%s</td>"
+ "<td>%s</td><td>&nbsp;</td><td>&nbsp;</td>"
+ /* bytes: in, out */
+ "<td>%s</td><td>%s</td>"
+ "",
+ (flags & STAT_SHLGNDS)?"</u>":"",
+ U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
+ U2H(stats[ST_F_STOT].u.u64), U2H(stats[ST_F_BIN].u.u64), U2H(stats[ST_F_BOUT].u.u64));
+
+ chunk_appendf(out,
+ /* denied: req, resp */
+ "<td>%s</td><td>%s</td>"
+ /* errors: request, connect, response */
+ "<td>%s</td><td></td><td></td>"
+ /* warnings: retries, redispatches */
+ "<td></td><td></td>"
+ /* server status: reflect listener status */
+ "<td class=ac>%s</td>"
+ /* rest of server: nothing */
+ "<td class=ac colspan=8></td>"
+ "",
+ U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
+ U2H(stats[ST_F_EREQ].u.u64),
+ field_str(stats, ST_F_STATUS));
+
+ if (flags & STAT_SHMODULES) {
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ chunk_appendf(out, "<td>");
+
+ if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI) {
+ chunk_appendf(out,
+ "<u>%s<div class=tips><table class=det>",
+ mod->name);
+ for (j = 0; j < mod->stats_count; ++j) {
+ chunk_appendf(out,
+ "<tr><th>%s</th><td>%s</td></tr>",
+ mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
+ ++i;
+ }
+ chunk_appendf(out, "</table></div></u>");
+ } else {
+ i += mod->stats_count;
+ }
+
+ chunk_appendf(out, "</td>");
+ }
+ }
+
+ chunk_appendf(out, "</tr>");
+ }
+ else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SV) {
+ const char *style;
+
+ /* determine the style to use depending on the server's state,
+ * its health and weight. There isn't a 1-to-1 mapping between
+ * state and styles for the cases where the server is (still)
+ * up. The reason is that we don't want to report nolb and
+ * drain with the same color.
+ */
+
+ if (strcmp(field_str(stats, ST_F_STATUS), "DOWN") == 0 ||
+ strcmp(field_str(stats, ST_F_STATUS), "DOWN (agent)") == 0) {
+ style = "down";
+ }
+ else if (strncmp(field_str(stats, ST_F_STATUS), "DOWN ", strlen("DOWN ")) == 0) {
+ style = "going_up";
+ }
+ else if (strcmp(field_str(stats, ST_F_STATUS), "DRAIN") == 0) {
+ style = "draining";
+ }
+ else if (strncmp(field_str(stats, ST_F_STATUS), "NOLB ", strlen("NOLB ")) == 0) {
+ style = "going_down";
+ }
+ else if (strcmp(field_str(stats, ST_F_STATUS), "NOLB") == 0) {
+ style = "nolb";
+ }
+ else if (strcmp(field_str(stats, ST_F_STATUS), "no check") == 0) {
+ style = "no_check";
+ }
+ else if (!stats[ST_F_CHKFAIL].type ||
+ stats[ST_F_CHECK_HEALTH].u.u32 == stats[ST_F_CHECK_RISE].u.u32 + stats[ST_F_CHECK_FALL].u.u32 - 1) {
+ /* no check or max health = UP */
+ if (stats[ST_F_WEIGHT].u.u32)
+ style = "up";
+ else
+ style = "draining";
+ }
+ else {
+ style = "going_down";
+ }
+
+ if (strncmp(field_str(stats, ST_F_STATUS), "MAINT", 5) == 0)
+ chunk_appendf(out, "<tr class=\"maintain\">");
+ else
+ chunk_appendf(out,
+ "<tr class=\"%s_%s\">",
+ (stats[ST_F_BCK].u.u32) ? "backup" : "active", style);
+
+
+ if (flags & STAT_ADMIN)
+ chunk_appendf(out,
+ "<td><input class='%s-checkbox' type=\"checkbox\" name=\"s\" value=\"%s\"></td>",
+ field_str(stats, ST_F_PXNAME),
+ field_str(stats, ST_F_SVNAME));
+
+ chunk_appendf(out,
+ "<td class=ac><a name=\"%s/%s\"></a>%s"
+ "<a class=lfsb href=\"#%s/%s\">%s</a>"
+ "",
+ field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME),
+ (flags & STAT_SHLGNDS) ? "<u>" : "",
+ field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), field_str(stats, ST_F_SVNAME));
+
+ if (flags & STAT_SHLGNDS) {
+ chunk_appendf(out, "<div class=tips>");
+
+ if (isdigit((unsigned char)*field_str(stats, ST_F_ADDR)))
+ chunk_appendf(out, "IPv4: %s, ", field_str(stats, ST_F_ADDR));
+ else if (*field_str(stats, ST_F_ADDR) == '[')
+ chunk_appendf(out, "IPv6: %s, ", field_str(stats, ST_F_ADDR));
+ else if (*field_str(stats, ST_F_ADDR))
+ chunk_appendf(out, "%s, ", field_str(stats, ST_F_ADDR));
+
+ /* id */
+ chunk_appendf(out, "id: %d, rid: %d", stats[ST_F_SID].u.u32, stats[ST_F_SRID].u.u32);
+
+ /* cookie */
+ if (stats[ST_F_COOKIE].type) {
+ chunk_appendf(out, ", cookie: '");
+ chunk_initstr(&src, field_str(stats, ST_F_COOKIE));
+ chunk_htmlencode(out, &src);
+ chunk_appendf(out, "'");
+ }
+
+ chunk_appendf(out, "</div>");
+ }
+
+ chunk_appendf(out,
+ /* queue : current, max, limit */
+ "%s</td><td>%s</td><td>%s</td><td>%s</td>"
+ /* sessions rate : current, max, limit */
+ "<td>%s</td><td>%s</td><td></td>"
+ "",
+ (flags & STAT_SHLGNDS) ? "</u>" : "",
+ U2H(stats[ST_F_QCUR].u.u32), U2H(stats[ST_F_QMAX].u.u32), LIM2A(stats[ST_F_QLIMIT].u.u32, "-"),
+ U2H(stats[ST_F_RATE].u.u32), U2H(stats[ST_F_RATE_MAX].u.u32));
+
+ chunk_appendf(out,
+ /* sessions: current, max, limit, total */
+ "<td><u>%s<div class=tips>"
+ "<table class=det>"
+ "<tr><th>Current active connections:</th><td>%s</td></tr>"
+ "<tr><th>Current used connections:</th><td>%s</td></tr>"
+ "<tr><th>Current idle connections:</th><td>%s</td></tr>"
+ "<tr><th>- unsafe:</th><td>%s</td></tr>"
+ "<tr><th>- safe:</th><td>%s</td></tr>"
+ "<tr><th>Estimated need of connections:</th><td>%s</td></tr>"
+ "<tr><th>Active connections limit:</th><td>%s</td></tr>"
+ "<tr><th>Idle connections limit:</th><td>%s</td></tr>"
+ "</table></div></u>"
+ "</td><td>%s</td><td>%s</td>"
+ "<td><u>%s<div class=tips><table class=det>"
+ "<tr><th>Cum. sessions:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_SCUR].u.u32),
+ U2H(stats[ST_F_SCUR].u.u32),
+ U2H(stats[ST_F_USED_CONN_CUR].u.u32),
+ U2H(stats[ST_F_SRV_ICUR].u.u32),
+ U2H(stats[ST_F_IDLE_CONN_CUR].u.u32),
+ U2H(stats[ST_F_SAFE_CONN_CUR].u.u32),
+ U2H(stats[ST_F_NEED_CONN_EST].u.u32),
+
+ LIM2A(stats[ST_F_SLIM].u.u32, "-"),
+ stats[ST_F_SRV_ILIM].type ? U2H(stats[ST_F_SRV_ILIM].u.u32) : "-",
+ U2H(stats[ST_F_SMAX].u.u32), LIM2A(stats[ST_F_SLIM].u.u32, "-"),
+ U2H(stats[ST_F_STOT].u.u64),
+ U2H(stats[ST_F_STOT].u.u64));
+
+ /* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
+ chunk_appendf(out,
+ "<tr><th>New connections:</th><td>%s</td></tr>"
+ "<tr><th>Reused connections:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 1xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- HTTP 2xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- HTTP 3xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- HTTP 4xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- HTTP 5xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- other responses:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
+ "<tr><th>Internal error:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_CONNECT].u.u64),
+ U2H(stats[ST_F_REUSE].u.u64),
+ (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64) ?
+ (int)(100 * stats[ST_F_REUSE].u.u64 / (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64)) : 0,
+ U2H(stats[ST_F_REQ_TOT].u.u64),
+ U2H(stats[ST_F_HRSP_1XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
+ (int)(100 * stats[ST_F_HRSP_1XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_2XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
+ (int)(100 * stats[ST_F_HRSP_2XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_3XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
+ (int)(100 * stats[ST_F_HRSP_3XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_4XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
+ (int)(100 * stats[ST_F_HRSP_4XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_5XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
+ (int)(100 * stats[ST_F_HRSP_5XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_OTHER].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
+ (int)(100 * stats[ST_F_HRSP_OTHER].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
+ U2H(stats[ST_F_WREW].u.u64),
+ U2H(stats[ST_F_EINT].u.u64));
+ }
+
+ chunk_appendf(out, "<tr><th colspan=3>Max / Avg over last 1024 success. conn.</th></tr>");
+ chunk_appendf(out, "<tr><th>- Queue time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32));
+ chunk_appendf(out, "<tr><th>- Connect time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_CT_MAX].u.u32), U2H(stats[ST_F_CTIME].u.u32));
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
+ chunk_appendf(out, "<tr><th>- Responses time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32));
+ chunk_appendf(out, "<tr><th>- Total time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32));
+
+ chunk_appendf(out,
+ "</table></div></u></td>"
+ /* sessions: lbtot, last */
+ "<td>%s</td><td>%s</td>",
+ U2H(stats[ST_F_LBTOT].u.u64),
+ human_time(stats[ST_F_LASTSESS].u.s32, 1));
+
+ chunk_appendf(out,
+ /* bytes : in, out */
+ "<td>%s</td><td>%s</td>"
+ /* denied: req, resp */
+ "<td></td><td>%s</td>"
+ /* errors : request, connect */
+ "<td></td><td>%s</td>"
+ /* errors : response */
+ "<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
+ /* warnings: retries, redispatches */
+ "<td>%lld</td><td>%lld</td>"
+ "",
+ U2H(stats[ST_F_BIN].u.u64), U2H(stats[ST_F_BOUT].u.u64),
+ U2H(stats[ST_F_DRESP].u.u64),
+ U2H(stats[ST_F_ECON].u.u64),
+ U2H(stats[ST_F_ERESP].u.u64),
+ (long long)stats[ST_F_CLI_ABRT].u.u64,
+ (long long)stats[ST_F_SRV_ABRT].u.u64,
+ (long long)stats[ST_F_WRETR].u.u64,
+ (long long)stats[ST_F_WREDIS].u.u64);
+
+ /* status, last change */
+ chunk_appendf(out, "<td class=ac>");
+
+ /* FIXME!!!!
+ * LASTCHG should contain the last change for *this* server and must be computed
+ * properly above, as was done below, ie: this server if maint, otherwise ref server
+ * if tracking. Note that ref is either local or remote depending on tracking.
+ */
+
+
+ if (strncmp(field_str(stats, ST_F_STATUS), "MAINT", 5) == 0) {
+ chunk_appendf(out, "%s MAINT", human_time(stats[ST_F_LASTCHG].u.u32, 1));
+ }
+ else if (strcmp(field_str(stats, ST_F_STATUS), "no check") == 0) {
+ chunk_strcat(out, "<i>no check</i>");
+ }
+ else {
+ chunk_appendf(out, "%s %s", human_time(stats[ST_F_LASTCHG].u.u32, 1), field_str(stats, ST_F_STATUS));
+ if (strncmp(field_str(stats, ST_F_STATUS), "DOWN", 4) == 0) {
+ if (stats[ST_F_CHECK_HEALTH].u.u32)
+ chunk_strcat(out, " &uarr;");
+ }
+ else if (stats[ST_F_CHECK_HEALTH].u.u32 < stats[ST_F_CHECK_RISE].u.u32 + stats[ST_F_CHECK_FALL].u.u32 - 1)
+ chunk_strcat(out, " &darr;");
+ }
+
+ if (strncmp(field_str(stats, ST_F_STATUS), "DOWN", 4) == 0 &&
+ stats[ST_F_AGENT_STATUS].type && !stats[ST_F_AGENT_HEALTH].u.u32) {
+ chunk_appendf(out,
+ "</td><td class=ac><u> %s",
+ field_str(stats, ST_F_AGENT_STATUS));
+
+ if (stats[ST_F_AGENT_CODE].type)
+ chunk_appendf(out, "/%d", stats[ST_F_AGENT_CODE].u.u32);
+
+ if (stats[ST_F_AGENT_DURATION].type)
+ chunk_appendf(out, " in %lums", (long)stats[ST_F_AGENT_DURATION].u.u64);
+
+ chunk_appendf(out, "<div class=tips>%s", field_str(stats, ST_F_AGENT_DESC));
+
+ if (*field_str(stats, ST_F_LAST_AGT)) {
+ chunk_appendf(out, ": ");
+ chunk_initstr(&src, field_str(stats, ST_F_LAST_AGT));
+ chunk_htmlencode(out, &src);
+ }
+ chunk_appendf(out, "</div></u>");
+ }
+ else if (stats[ST_F_CHECK_STATUS].type) {
+ chunk_appendf(out,
+ "</td><td class=ac><u> %s",
+ field_str(stats, ST_F_CHECK_STATUS));
+
+ if (stats[ST_F_CHECK_CODE].type)
+ chunk_appendf(out, "/%d", stats[ST_F_CHECK_CODE].u.u32);
+
+ if (stats[ST_F_CHECK_DURATION].type)
+ chunk_appendf(out, " in %lums", (long)stats[ST_F_CHECK_DURATION].u.u64);
+
+ chunk_appendf(out, "<div class=tips>%s", field_str(stats, ST_F_CHECK_DESC));
+
+ if (*field_str(stats, ST_F_LAST_CHK)) {
+ chunk_appendf(out, ": ");
+ chunk_initstr(&src, field_str(stats, ST_F_LAST_CHK));
+ chunk_htmlencode(out, &src);
+ }
+ chunk_appendf(out, "</div></u>");
+ }
+ else
+ chunk_appendf(out, "</td><td>");
+
+ chunk_appendf(out,
+ /* weight / uweight */
+ "</td><td class=ac>%d/%d</td>"
+ /* act, bck */
+ "<td class=ac>%s</td><td class=ac>%s</td>"
+ "",
+ stats[ST_F_WEIGHT].u.u32, stats[ST_F_UWEIGHT].u.u32,
+ stats[ST_F_BCK].u.u32 ? "-" : "Y",
+ stats[ST_F_BCK].u.u32 ? "Y" : "-");
+
+ /* check failures: unique, fatal, down time */
+ if (strcmp(field_str(stats, ST_F_STATUS), "MAINT (resolution)") == 0) {
+ chunk_appendf(out, "<td class=ac colspan=3>resolution</td>");
+ }
+ else if (stats[ST_F_CHKFAIL].type) {
+ chunk_appendf(out, "<td><u>%lld", (long long)stats[ST_F_CHKFAIL].u.u64);
+
+ if (stats[ST_F_HANAFAIL].type)
+ chunk_appendf(out, "/%lld", (long long)stats[ST_F_HANAFAIL].u.u64);
+
+ chunk_appendf(out,
+ "<div class=tips>Failed Health Checks%s</div></u></td>"
+ "<td>%lld</td><td>%s</td>"
+ "",
+ stats[ST_F_HANAFAIL].type ? "/Health Analyses" : "",
+ (long long)stats[ST_F_CHKDOWN].u.u64, human_time(stats[ST_F_DOWNTIME].u.u32, 1));
+ }
+ else if (strcmp(field_str(stats, ST_F_STATUS), "MAINT") != 0 && field_format(stats, ST_F_TRACKED) == FF_STR) {
+ /* tracking a server (hence inherited maint would appear as "MAINT (via...)" */
+ chunk_appendf(out,
+ "<td class=ac colspan=3><a class=lfsb href=\"#%s\">via %s</a></td>",
+ field_str(stats, ST_F_TRACKED), field_str(stats, ST_F_TRACKED));
+ }
+ else
+ chunk_appendf(out, "<td colspan=3></td>");
+
+ /* throttle */
+ if (stats[ST_F_THROTTLE].type)
+ chunk_appendf(out, "<td class=ac>%d %%</td>\n", stats[ST_F_THROTTLE].u.u32);
+ else
+ chunk_appendf(out, "<td class=ac>-</td>");
+
+ if (flags & STAT_SHMODULES) {
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ chunk_appendf(out, "<td>");
+
+ if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV) {
+ chunk_appendf(out,
+ "<u>%s<div class=tips><table class=det>",
+ mod->name);
+ for (j = 0; j < mod->stats_count; ++j) {
+ chunk_appendf(out,
+ "<tr><th>%s</th><td>%s</td></tr>",
+ mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
+ ++i;
+ }
+ chunk_appendf(out, "</table></div></u>");
+ } else {
+ i += mod->stats_count;
+ }
+
+ chunk_appendf(out, "</td>");
+ }
+ }
+
+ chunk_appendf(out, "</tr>\n");
+ }
+ else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE) {
+ chunk_appendf(out, "<tr class=\"backend\">");
+ if (flags & STAT_ADMIN) {
+ /* Column sub-heading for Enable or Disable server */
+ chunk_appendf(out, "<td></td>");
+ }
+ chunk_appendf(out,
+ "<td class=ac>"
+ /* name */
+ "%s<a name=\"%s/Backend\"></a>"
+ "<a class=lfsb href=\"#%s/Backend\">Backend</a>"
+ "",
+ (flags & STAT_SHLGNDS)?"<u>":"",
+ field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME));
+
+ if (flags & STAT_SHLGNDS) {
+ /* balancing */
+ chunk_appendf(out, "<div class=tips>balancing: %s",
+ field_str(stats, ST_F_ALGO));
+
+ /* cookie */
+ if (stats[ST_F_COOKIE].type) {
+ chunk_appendf(out, ", cookie: '");
+ chunk_initstr(&src, field_str(stats, ST_F_COOKIE));
+ chunk_htmlencode(out, &src);
+ chunk_appendf(out, "'");
+ }
+ chunk_appendf(out, "</div>");
+ }
+
+ chunk_appendf(out,
+ "%s</td>"
+ /* queue : current, max */
+ "<td>%s</td><td>%s</td><td></td>"
+ /* sessions rate : current, max, limit */
+ "<td>%s</td><td>%s</td><td></td>"
+ "",
+ (flags & STAT_SHLGNDS)?"</u>":"",
+ U2H(stats[ST_F_QCUR].u.u32), U2H(stats[ST_F_QMAX].u.u32),
+ U2H(stats[ST_F_RATE].u.u32), U2H(stats[ST_F_RATE_MAX].u.u32));
+
+ chunk_appendf(out,
+ /* sessions: current, max, limit, total */
+ "<td>%s</td><td>%s</td><td>%s</td>"
+ "<td><u>%s<div class=tips><table class=det>"
+ "<tr><th>Cum. sessions:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
+ U2H(stats[ST_F_STOT].u.u64),
+ U2H(stats[ST_F_STOT].u.u64));
+
+ /* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
+ chunk_appendf(out,
+ "<tr><th>New connections:</th><td>%s</td></tr>"
+ "<tr><th>Reused connections:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
+ "<tr><th>&nbsp;&nbsp;Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
+ "<tr><th>- other responses:</th><td>%s</td></tr>"
+ "<tr><th>Cache lookups:</th><td>%s</td></tr>"
+ "<tr><th>Cache hits:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
+ "<tr><th>Internal errors:</th><td>%s</td></tr>"
+ "",
+ U2H(stats[ST_F_CONNECT].u.u64),
+ U2H(stats[ST_F_REUSE].u.u64),
+ (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64) ?
+ (int)(100 * stats[ST_F_REUSE].u.u64 / (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64)) : 0,
+ U2H(stats[ST_F_REQ_TOT].u.u64),
+ U2H(stats[ST_F_HRSP_1XX].u.u64),
+ U2H(stats[ST_F_HRSP_2XX].u.u64),
+ U2H(stats[ST_F_COMP_RSP].u.u64),
+ stats[ST_F_HRSP_2XX].u.u64 ?
+ (int)(100 * stats[ST_F_COMP_RSP].u.u64 / stats[ST_F_HRSP_2XX].u.u64) : 0,
+ U2H(stats[ST_F_HRSP_3XX].u.u64),
+ U2H(stats[ST_F_HRSP_4XX].u.u64),
+ U2H(stats[ST_F_HRSP_5XX].u.u64),
+ U2H(stats[ST_F_HRSP_OTHER].u.u64),
+ U2H(stats[ST_F_CACHE_LOOKUPS].u.u64),
+ U2H(stats[ST_F_CACHE_HITS].u.u64),
+ stats[ST_F_CACHE_LOOKUPS].u.u64 ?
+ (int)(100 * stats[ST_F_CACHE_HITS].u.u64 / stats[ST_F_CACHE_LOOKUPS].u.u64) : 0,
+ U2H(stats[ST_F_WREW].u.u64),
+ U2H(stats[ST_F_EINT].u.u64));
+ }
+
+ chunk_appendf(out, "<tr><th colspan=3>Max / Avg over last 1024 success. conn.</th></tr>");
+ chunk_appendf(out, "<tr><th>- Queue time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32));
+ chunk_appendf(out, "<tr><th>- Connect time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_CT_MAX].u.u32), U2H(stats[ST_F_CTIME].u.u32));
+ if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
+ chunk_appendf(out, "<tr><th>- Responses time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32));
+ chunk_appendf(out, "<tr><th>- Total time:</th><td>%s / %s</td><td>ms</td></tr>",
+ U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32));
+
+ chunk_appendf(out,
+ "</table></div></u></td>"
+ /* sessions: lbtot, last */
+ "<td>%s</td><td>%s</td>"
+ /* bytes: in */
+ "<td>%s</td>"
+ "",
+ U2H(stats[ST_F_LBTOT].u.u64),
+ human_time(stats[ST_F_LASTSESS].u.s32, 1),
+ U2H(stats[ST_F_BIN].u.u64));
+
+ chunk_appendf(out,
+ /* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
+ "<td>%s%s<div class=tips><table class=det>"
+ "<tr><th>Response bytes in:</th><td>%s</td></tr>"
+ "<tr><th>Compression in:</th><td>%s</td></tr>"
+ "<tr><th>Compression out:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "<tr><th>Compression bypass:</th><td>%s</td></tr>"
+ "<tr><th>Total bytes saved:</th><td>%s</td><td>(%d%%)</td></tr>"
+ "</table></div>%s</td>",
+ (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "<u>":"",
+ U2H(stats[ST_F_BOUT].u.u64),
+ U2H(stats[ST_F_BOUT].u.u64),
+ U2H(stats[ST_F_COMP_IN].u.u64),
+ U2H(stats[ST_F_COMP_OUT].u.u64),
+ stats[ST_F_COMP_IN].u.u64 ? (int)(stats[ST_F_COMP_OUT].u.u64 * 100 / stats[ST_F_COMP_IN].u.u64) : 0,
+ U2H(stats[ST_F_COMP_BYP].u.u64),
+ U2H(stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64),
+ stats[ST_F_BOUT].u.u64 ? (int)((stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64) * 100 / stats[ST_F_BOUT].u.u64) : 0,
+ (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "</u>":"");
+
+ chunk_appendf(out,
+ /* denied: req, resp */
+ "<td>%s</td><td>%s</td>"
+ /* errors : request, connect */
+ "<td></td><td>%s</td>"
+ /* errors : response */
+ "<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
+ /* warnings: retries, redispatches */
+ "<td>%lld</td><td>%lld</td>"
+ /* backend status: reflect backend status (up/down): we display UP
+ * if the backend has known working servers or if it has no server at
+ * all (eg: for stats). Then we display the total weight, number of
+ * active and backups. */
+ "<td class=ac>%s %s</td><td class=ac>&nbsp;</td><td class=ac>%d/%d</td>"
+ "<td class=ac>%d</td><td class=ac>%d</td>"
+ "",
+ U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
+ U2H(stats[ST_F_ECON].u.u64),
+ U2H(stats[ST_F_ERESP].u.u64),
+ (long long)stats[ST_F_CLI_ABRT].u.u64,
+ (long long)stats[ST_F_SRV_ABRT].u.u64,
+ (long long)stats[ST_F_WRETR].u.u64, (long long)stats[ST_F_WREDIS].u.u64,
+ human_time(stats[ST_F_LASTCHG].u.u32, 1),
+ strcmp(field_str(stats, ST_F_STATUS), "DOWN") ? field_str(stats, ST_F_STATUS) : "<font color=\"red\"><b>DOWN</b></font>",
+ stats[ST_F_WEIGHT].u.u32, stats[ST_F_UWEIGHT].u.u32,
+ stats[ST_F_ACT].u.u32, stats[ST_F_BCK].u.u32);
+
+ chunk_appendf(out,
+ /* rest of backend: nothing, down transitions, total downtime, throttle */
+ "<td class=ac>&nbsp;</td><td>%d</td>"
+ "<td>%s</td>"
+ "<td></td>",
+ stats[ST_F_CHKDOWN].u.u32,
+ stats[ST_F_DOWNTIME].type ? human_time(stats[ST_F_DOWNTIME].u.u32, 1) : "&nbsp;");
+
+ if (flags & STAT_SHMODULES) {
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ chunk_appendf(out, "<td>");
+
+ if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE) {
+ chunk_appendf(out,
+ "<u>%s<div class=tips><table class=det>",
+ mod->name);
+ for (j = 0; j < mod->stats_count; ++j) {
+ chunk_appendf(out,
+ "<tr><th>%s</th><td>%s</td></tr>",
+ mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
+ ++i;
+ }
+ chunk_appendf(out, "</table></div></u>");
+ } else {
+ i += mod->stats_count;
+ }
+
+ chunk_appendf(out, "</td>");
+ }
+ }
+
+ chunk_appendf(out, "</tr>");
+ }
+
+ return 1;
+}
+
+int stats_dump_one_line(const struct field *stats, size_t stats_count,
+ struct appctx *appctx)
+{
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ int ret;
+
+ if (ctx->flags & STAT_FMT_HTML)
+ ret = stats_dump_fields_html(&trash_chunk, stats, ctx);
+ else if (ctx->flags & STAT_FMT_TYPED)
+ ret = stats_dump_fields_typed(&trash_chunk, stats, stats_count, ctx);
+ else if (ctx->flags & STAT_FMT_JSON)
+ ret = stats_dump_fields_json(&trash_chunk, stats, stats_count, ctx);
+ else
+ ret = stats_dump_fields_csv(&trash_chunk, stats, stats_count, ctx);
+
+ return ret;
+}
+
+/* Fill <stats> with the frontend statistics. <stats> is preallocated array of
+ * length <len>. If <selected_field> is != NULL, only fill this one. The length
+ * of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
+ * this value, or if the selected field is not implemented for frontends, the
+ * function returns 0, otherwise, it returns 1.
+ */
+int stats_fill_fe_stats(struct proxy *px, struct field *stats, int len,
+ enum stat_field *selected_field)
+{
+ enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
+
+ if (len < ST_F_TOTAL_FIELDS)
+ return 0;
+
+ for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
+ struct field metric = { 0 };
+
+ switch (current_field) {
+ case ST_F_PXNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_F_SVNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "FRONTEND");
+ break;
+ case ST_F_MODE:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_F_SCUR:
+ metric = mkf_u32(0, px->feconn);
+ break;
+ case ST_F_SMAX:
+ metric = mkf_u32(FN_MAX, px->fe_counters.conn_max);
+ break;
+ case ST_F_SLIM:
+ metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn);
+ break;
+ case ST_F_STOT:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess);
+ break;
+ case ST_F_BIN:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_in);
+ break;
+ case ST_F_BOUT:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_out);
+ break;
+ case ST_F_DREQ:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_req);
+ break;
+ case ST_F_DRESP:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp);
+ break;
+ case ST_F_EREQ:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_req);
+ break;
+ case ST_F_DCON:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn);
+ break;
+ case ST_F_DSES:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_sess);
+ break;
+ case ST_F_STATUS: {
+ const char *state;
+
+ if (px->flags & (PR_FL_DISABLED|PR_FL_STOPPED))
+ state = "STOP";
+ else if (px->flags & PR_FL_PAUSED)
+ state = "PAUSED";
+ else
+ state = "OPEN";
+ metric = mkf_str(FO_STATUS, state);
+ break;
+ }
+ case ST_F_PID:
+ metric = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_F_IID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_F_SID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, 0);
+ break;
+ case ST_F_TYPE:
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_FE);
+ break;
+ case ST_F_RATE:
+ metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_sess_per_sec));
+ break;
+ case ST_F_RATE_LIM:
+ metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim);
+ break;
+ case ST_F_RATE_MAX:
+ metric = mkf_u32(FN_MAX, px->fe_counters.sps_max);
+ break;
+ case ST_F_WREW:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites);
+ break;
+ case ST_F_EINT:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.internal_errors);
+ break;
+ case ST_F_HRSP_1XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[1]);
+ break;
+ case ST_F_HRSP_2XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[2]);
+ break;
+ case ST_F_HRSP_3XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[3]);
+ break;
+ case ST_F_HRSP_4XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[4]);
+ break;
+ case ST_F_HRSP_5XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[5]);
+ break;
+ case ST_F_HRSP_OTHER:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[0]);
+ break;
+ case ST_F_INTERCEPTED:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.intercepted_req);
+ break;
+ case ST_F_CACHE_LOOKUPS:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_lookups);
+ break;
+ case ST_F_CACHE_HITS:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_hits);
+ break;
+ case ST_F_REQ_RATE:
+ metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_req_per_sec));
+ break;
+ case ST_F_REQ_RATE_MAX:
+ metric = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max);
+ break;
+ case ST_F_REQ_TOT: {
+ int i;
+ uint64_t total_req;
+ size_t nb_reqs =
+ sizeof(px->fe_counters.p.http.cum_req) / sizeof(*px->fe_counters.p.http.cum_req);
+
+ total_req = 0;
+ for (i = 0; i < nb_reqs; i++)
+ total_req += px->fe_counters.p.http.cum_req[i];
+ metric = mkf_u64(FN_COUNTER, total_req);
+ break;
+ }
+ case ST_F_COMP_IN:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_in[COMP_DIR_RES]);
+ break;
+ case ST_F_COMP_OUT:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_out[COMP_DIR_RES]);
+ break;
+ case ST_F_COMP_BYP:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp[COMP_DIR_RES]);
+ break;
+ case ST_F_COMP_RSP:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp);
+ break;
+ case ST_F_CONN_RATE:
+ metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_conn_per_sec));
+ break;
+ case ST_F_CONN_RATE_MAX:
+ metric = mkf_u32(FN_MAX, px->fe_counters.cps_max);
+ break;
+ case ST_F_CONN_TOT:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn);
+ break;
+ case ST_F_SESS_OTHER: {
+ int i;
+ uint64_t total_sess;
+ size_t nb_sess =
+ sizeof(px->fe_counters.cum_sess_ver) / sizeof(*px->fe_counters.cum_sess_ver);
+
+ total_sess = px->fe_counters.cum_sess;
+ for (i = 0; i < nb_sess; i++)
+ total_sess -= px->fe_counters.cum_sess_ver[i];
+ total_sess = (int64_t)total_sess < 0 ? 0 : total_sess;
+ metric = mkf_u64(FN_COUNTER, total_sess);
+ break;
+ }
+ case ST_F_H1SESS:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess_ver[0]);
+ break;
+ case ST_F_H2SESS:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess_ver[1]);
+ break;
+ case ST_F_H3SESS:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess_ver[2]);
+ break;
+ case ST_F_REQ_OTHER:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req[0]);
+ break;
+ case ST_F_H1REQ:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req[1]);
+ break;
+ case ST_F_H2REQ:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req[2]);
+ break;
+ case ST_F_H3REQ:
+ metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req[3]);
+ break;
+ default:
+ /* not used for frontends. If a specific metric
+ * is requested, return an error. Otherwise continue.
+ */
+ if (selected_field != NULL)
+ return 0;
+ continue;
+ }
+ stats[current_field] = metric;
+ if (selected_field != NULL)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a frontend's line to the local trash buffer for the current proxy <px>
+ * and uses the state from stream connector <sc>. The caller is responsible for
+ * clearing the local trash buffer if needed. Returns non-zero if it emits
+ * anything, zero otherwise.
+ */
+static int stats_dump_fe_stats(struct stconn *sc, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct field *stats = stat_l[STATS_DOMAIN_PROXY];
+ struct stats_module *mod;
+ size_t stats_count = ST_F_TOTAL_FIELDS;
+
+ if (!(px->cap & PR_CAP_FE))
+ return 0;
+
+ if ((ctx->flags & STAT_BOUND) && !(ctx->type & (1 << STATS_TYPE_FE)))
+ return 0;
+
+ memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_fe_stats(px, stats, ST_F_TOTAL_FIELDS, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ void *counters;
+
+ if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE)) {
+ stats_count += mod->stats_count;
+ continue;
+ }
+
+ counters = EXTRA_COUNTERS_GET(px->extra_counters_fe, mod);
+ mod->fill_stats(counters, stats + stats_count);
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(stats, stats_count, appctx);
+}
+
+/* Fill <stats> with the listener statistics. <stats> is preallocated array of
+ * length <len>. The length of the array must be at least ST_F_TOTAL_FIELDS. If
+ * this length is less then this value, the function returns 0, otherwise, it
+ * returns 1. If selected_field is != NULL, only fill this one. <flags> can
+ * take the value STAT_SHLGNDS.
+ */
+int stats_fill_li_stats(struct proxy *px, struct listener *l, int flags,
+ struct field *stats, int len, enum stat_field *selected_field)
+{
+ enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
+ struct buffer *out = get_trash_chunk();
+
+ if (len < ST_F_TOTAL_FIELDS)
+ return 0;
+
+ if (!l->counters)
+ return 0;
+
+ chunk_reset(out);
+
+ for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
+ struct field metric = { 0 };
+
+ switch (current_field) {
+ case ST_F_PXNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_F_SVNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, l->name);
+ break;
+ case ST_F_MODE:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_F_SCUR:
+ metric = mkf_u32(0, l->nbconn);
+ break;
+ case ST_F_SMAX:
+ metric = mkf_u32(FN_MAX, l->counters->conn_max);
+ break;
+ case ST_F_SLIM:
+ metric = mkf_u32(FO_CONFIG|FN_LIMIT, l->bind_conf->maxconn);
+ break;
+ case ST_F_STOT:
+ metric = mkf_u64(FN_COUNTER, l->counters->cum_conn);
+ break;
+ case ST_F_BIN:
+ metric = mkf_u64(FN_COUNTER, l->counters->bytes_in);
+ break;
+ case ST_F_BOUT:
+ metric = mkf_u64(FN_COUNTER, l->counters->bytes_out);
+ break;
+ case ST_F_DREQ:
+ metric = mkf_u64(FN_COUNTER, l->counters->denied_req);
+ break;
+ case ST_F_DRESP:
+ metric = mkf_u64(FN_COUNTER, l->counters->denied_resp);
+ break;
+ case ST_F_EREQ:
+ metric = mkf_u64(FN_COUNTER, l->counters->failed_req);
+ break;
+ case ST_F_DCON:
+ metric = mkf_u64(FN_COUNTER, l->counters->denied_conn);
+ break;
+ case ST_F_DSES:
+ metric = mkf_u64(FN_COUNTER, l->counters->denied_sess);
+ break;
+ case ST_F_STATUS:
+ metric = mkf_str(FO_STATUS, li_status_st[get_li_status(l)]);
+ break;
+ case ST_F_PID:
+ metric = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_F_IID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_F_SID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, l->luid);
+ break;
+ case ST_F_TYPE:
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SO);
+ break;
+ case ST_F_WREW:
+ metric = mkf_u64(FN_COUNTER, l->counters->failed_rewrites);
+ break;
+ case ST_F_EINT:
+ metric = mkf_u64(FN_COUNTER, l->counters->internal_errors);
+ break;
+ case ST_F_ADDR:
+ if (flags & STAT_SHLGNDS) {
+ char str[INET6_ADDRSTRLEN];
+ int port;
+
+ port = get_host_port(&l->rx.addr);
+ switch (addr_to_str(&l->rx.addr, str, sizeof(str))) {
+ case AF_INET:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "%s:%d", str, port);
+ break;
+ case AF_INET6:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "[%s]:%d", str, port);
+ break;
+ case AF_UNIX:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
+ break;
+ case -1:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_strcat(out, strerror(errno));
+ break;
+ default: /* address family not supported */
+ break;
+ }
+ }
+ break;
+ case ST_F_PROTO:
+ metric = mkf_str(FO_STATUS, l->rx.proto->name);
+ break;
+ default:
+ /* not used for listen. If a specific metric
+ * is requested, return an error. Otherwise continue.
+ */
+ if (selected_field != NULL)
+ return 0;
+ continue;
+ }
+ stats[current_field] = metric;
+ if (selected_field != NULL)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a line for listener <l> and proxy <px> to the local trash buffer and
+ * uses the state from stream connector <sc>. The caller is responsible for
+ * clearing the local trash buffer if needed. Returns non-zero if it emits
+ * anything, zero otherwise.
+ */
+static int stats_dump_li_stats(struct stconn *sc, struct proxy *px, struct listener *l)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct field *stats = stat_l[STATS_DOMAIN_PROXY];
+ struct stats_module *mod;
+ size_t stats_count = ST_F_TOTAL_FIELDS;
+
+ memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_li_stats(px, l, ctx->flags, stats,
+ ST_F_TOTAL_FIELDS, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ void *counters;
+
+ if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI)) {
+ stats_count += mod->stats_count;
+ continue;
+ }
+
+ counters = EXTRA_COUNTERS_GET(l->extra_counters, mod);
+ mod->fill_stats(counters, stats + stats_count);
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(stats, stats_count, appctx);
+}
+
+enum srv_stats_state {
+ SRV_STATS_STATE_DOWN = 0,
+ SRV_STATS_STATE_DOWN_AGENT,
+ SRV_STATS_STATE_GOING_UP,
+ SRV_STATS_STATE_UP_GOING_DOWN,
+ SRV_STATS_STATE_UP,
+ SRV_STATS_STATE_NOLB_GOING_DOWN,
+ SRV_STATS_STATE_NOLB,
+ SRV_STATS_STATE_DRAIN_GOING_DOWN,
+ SRV_STATS_STATE_DRAIN,
+ SRV_STATS_STATE_DRAIN_AGENT,
+ SRV_STATS_STATE_NO_CHECK,
+
+ SRV_STATS_STATE_COUNT, /* Must be last */
+};
+
+static const char *srv_hlt_st[SRV_STATS_STATE_COUNT] = {
+ [SRV_STATS_STATE_DOWN] = "DOWN",
+ [SRV_STATS_STATE_DOWN_AGENT] = "DOWN (agent)",
+ [SRV_STATS_STATE_GOING_UP] = "DOWN %d/%d",
+ [SRV_STATS_STATE_UP_GOING_DOWN] = "UP %d/%d",
+ [SRV_STATS_STATE_UP] = "UP",
+ [SRV_STATS_STATE_NOLB_GOING_DOWN] = "NOLB %d/%d",
+ [SRV_STATS_STATE_NOLB] = "NOLB",
+ [SRV_STATS_STATE_DRAIN_GOING_DOWN] = "DRAIN %d/%d",
+ [SRV_STATS_STATE_DRAIN] = "DRAIN",
+ [SRV_STATS_STATE_DRAIN_AGENT] = "DRAIN (agent)",
+ [SRV_STATS_STATE_NO_CHECK] = "no check"
+};
+
+/* Compute server state helper
+ */
+static void stats_fill_sv_stats_computestate(struct server *sv, struct server *ref,
+ enum srv_stats_state *state)
+{
+ if (sv->cur_state == SRV_ST_RUNNING || sv->cur_state == SRV_ST_STARTING) {
+ if ((ref->check.state & CHK_ST_ENABLED) &&
+ (ref->check.health < ref->check.rise + ref->check.fall - 1)) {
+ *state = SRV_STATS_STATE_UP_GOING_DOWN;
+ } else {
+ *state = SRV_STATS_STATE_UP;
+ }
+
+ if (sv->cur_admin & SRV_ADMF_DRAIN) {
+ if (ref->agent.state & CHK_ST_ENABLED)
+ *state = SRV_STATS_STATE_DRAIN_AGENT;
+ else if (*state == SRV_STATS_STATE_UP_GOING_DOWN)
+ *state = SRV_STATS_STATE_DRAIN_GOING_DOWN;
+ else
+ *state = SRV_STATS_STATE_DRAIN;
+ }
+
+ if (*state == SRV_STATS_STATE_UP && !(ref->check.state & CHK_ST_ENABLED)) {
+ *state = SRV_STATS_STATE_NO_CHECK;
+ }
+ }
+ else if (sv->cur_state == SRV_ST_STOPPING) {
+ if ((!(sv->check.state & CHK_ST_ENABLED) && !sv->track) ||
+ (ref->check.health == ref->check.rise + ref->check.fall - 1)) {
+ *state = SRV_STATS_STATE_NOLB;
+ } else {
+ *state = SRV_STATS_STATE_NOLB_GOING_DOWN;
+ }
+ }
+ else { /* stopped */
+ if ((ref->agent.state & CHK_ST_ENABLED) && !ref->agent.health) {
+ *state = SRV_STATS_STATE_DOWN_AGENT;
+ } else if ((ref->check.state & CHK_ST_ENABLED) && !ref->check.health) {
+ *state = SRV_STATS_STATE_DOWN; /* DOWN */
+ } else if ((ref->agent.state & CHK_ST_ENABLED) || (ref->check.state & CHK_ST_ENABLED)) {
+ *state = SRV_STATS_STATE_GOING_UP;
+ } else {
+ *state = SRV_STATS_STATE_DOWN; /* DOWN, unchecked */
+ }
+ }
+}
+
+/* Fill <stats> with the backend statistics. <stats> is preallocated array of
+ * length <len>. If <selected_field> is != NULL, only fill this one. The length
+ * of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
+ * this value, or if the selected field is not implemented for servers, the
+ * function returns 0, otherwise, it returns 1. <flags> can take the value
+ * STAT_SHLGNDS.
+ */
+int stats_fill_sv_stats(struct proxy *px, struct server *sv, int flags,
+ struct field *stats, int len,
+ enum stat_field *selected_field)
+{
+ enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
+ struct server *via = sv->track ? sv->track : sv;
+ struct server *ref = via;
+ enum srv_stats_state state = 0;
+ char str[INET6_ADDRSTRLEN];
+ struct buffer *out = get_trash_chunk();
+ char *fld_status;
+ long long srv_samples_counter;
+ unsigned int srv_samples_window = TIME_STATS_SAMPLES;
+
+ if (len < ST_F_TOTAL_FIELDS)
+ return 0;
+
+ chunk_reset(out);
+
+ /* compute state for later use */
+ if (selected_field == NULL || *selected_field == ST_F_STATUS ||
+ *selected_field == ST_F_CHECK_RISE || *selected_field == ST_F_CHECK_FALL ||
+ *selected_field == ST_F_CHECK_HEALTH || *selected_field == ST_F_HANAFAIL) {
+ /* we have "via" which is the tracked server as described in the configuration,
+ * and "ref" which is the checked server and the end of the chain.
+ */
+ while (ref->track)
+ ref = ref->track;
+ stats_fill_sv_stats_computestate(sv, ref, &state);
+ }
+
+ /* compue time values for later use */
+ if (selected_field == NULL || *selected_field == ST_F_QTIME ||
+ *selected_field == ST_F_CTIME || *selected_field == ST_F_RTIME ||
+ *selected_field == ST_F_TTIME) {
+ srv_samples_counter = (px->mode == PR_MODE_HTTP) ? sv->counters.p.http.cum_req : sv->counters.cum_lbconn;
+ if (srv_samples_counter < TIME_STATS_SAMPLES && srv_samples_counter > 0)
+ srv_samples_window = srv_samples_counter;
+ }
+
+ for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
+ struct field metric = { 0 };
+
+ switch (current_field) {
+ case ST_F_PXNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_F_SVNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, sv->id);
+ break;
+ case ST_F_MODE:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_F_QCUR:
+ metric = mkf_u32(0, sv->queue.length);
+ break;
+ case ST_F_QMAX:
+ metric = mkf_u32(FN_MAX, sv->counters.nbpend_max);
+ break;
+ case ST_F_SCUR:
+ metric = mkf_u32(0, sv->cur_sess);
+ break;
+ case ST_F_SMAX:
+ metric = mkf_u32(FN_MAX, sv->counters.cur_sess_max);
+ break;
+ case ST_F_SLIM:
+ if (sv->maxconn)
+ metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn);
+ break;
+ case ST_F_SRV_ICUR:
+ metric = mkf_u32(0, sv->curr_idle_conns);
+ break;
+ case ST_F_SRV_ILIM:
+ if (sv->max_idle_conns != -1)
+ metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->max_idle_conns);
+ break;
+ case ST_F_STOT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess);
+ break;
+ case ST_F_BIN:
+ metric = mkf_u64(FN_COUNTER, sv->counters.bytes_in);
+ break;
+ case ST_F_BOUT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.bytes_out);
+ break;
+ case ST_F_DRESP:
+ metric = mkf_u64(FN_COUNTER, sv->counters.denied_resp);
+ break;
+ case ST_F_ECON:
+ metric = mkf_u64(FN_COUNTER, sv->counters.failed_conns);
+ break;
+ case ST_F_ERESP:
+ metric = mkf_u64(FN_COUNTER, sv->counters.failed_resp);
+ break;
+ case ST_F_WRETR:
+ metric = mkf_u64(FN_COUNTER, sv->counters.retries);
+ break;
+ case ST_F_WREDIS:
+ metric = mkf_u64(FN_COUNTER, sv->counters.redispatches);
+ break;
+ case ST_F_WREW:
+ metric = mkf_u64(FN_COUNTER, sv->counters.failed_rewrites);
+ break;
+ case ST_F_EINT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.internal_errors);
+ break;
+ case ST_F_CONNECT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.connect);
+ break;
+ case ST_F_REUSE:
+ metric = mkf_u64(FN_COUNTER, sv->counters.reuse);
+ break;
+ case ST_F_IDLE_CONN_CUR:
+ metric = mkf_u32(0, sv->curr_idle_nb);
+ break;
+ case ST_F_SAFE_CONN_CUR:
+ metric = mkf_u32(0, sv->curr_safe_nb);
+ break;
+ case ST_F_USED_CONN_CUR:
+ metric = mkf_u32(0, sv->curr_used_conns);
+ break;
+ case ST_F_NEED_CONN_EST:
+ metric = mkf_u32(0, sv->est_need_conns);
+ break;
+ case ST_F_STATUS:
+ fld_status = chunk_newstr(out);
+ if (sv->cur_admin & SRV_ADMF_RMAINT)
+ chunk_appendf(out, "MAINT (resolution)");
+ else if (sv->cur_admin & SRV_ADMF_IMAINT)
+ chunk_appendf(out, "MAINT (via %s/%s)", via->proxy->id, via->id);
+ else if (sv->cur_admin & SRV_ADMF_MAINT)
+ chunk_appendf(out, "MAINT");
+ else
+ chunk_appendf(out,
+ srv_hlt_st[state],
+ (ref->cur_state != SRV_ST_STOPPED) ? (ref->check.health - ref->check.rise + 1) : (ref->check.health),
+ (ref->cur_state != SRV_ST_STOPPED) ? (ref->check.fall) : (ref->check.rise));
+
+ metric = mkf_str(FO_STATUS, fld_status);
+ break;
+ case ST_F_LASTCHG:
+ metric = mkf_u32(FN_AGE, ns_to_sec(now_ns) - sv->last_change);
+ break;
+ case ST_F_WEIGHT:
+ metric = mkf_u32(FN_AVG, (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
+ break;
+ case ST_F_UWEIGHT:
+ metric = mkf_u32(FN_AVG, sv->uweight);
+ break;
+ case ST_F_ACT:
+ metric = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 0 : 1);
+ break;
+ case ST_F_BCK:
+ metric = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 1 : 0);
+ break;
+ case ST_F_CHKFAIL:
+ if (sv->check.state & CHK_ST_ENABLED)
+ metric = mkf_u64(FN_COUNTER, sv->counters.failed_checks);
+ break;
+ case ST_F_CHKDOWN:
+ if (sv->check.state & CHK_ST_ENABLED)
+ metric = mkf_u64(FN_COUNTER, sv->counters.down_trans);
+ break;
+ case ST_F_DOWNTIME:
+ if (sv->check.state & CHK_ST_ENABLED)
+ metric = mkf_u32(FN_COUNTER, srv_downtime(sv));
+ break;
+ case ST_F_QLIMIT:
+ if (sv->maxqueue)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue);
+ break;
+ case ST_F_PID:
+ metric = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_F_IID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_F_SID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, sv->puid);
+ break;
+ case ST_F_SRID:
+ metric = mkf_u32(FN_COUNTER, sv->rid);
+ break;
+ case ST_F_THROTTLE:
+ if (sv->cur_state == SRV_ST_STARTING && !server_is_draining(sv))
+ metric = mkf_u32(FN_AVG, server_throttle_rate(sv));
+ break;
+ case ST_F_LBTOT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.cum_lbconn);
+ break;
+ case ST_F_TRACKED:
+ if (sv->track) {
+ char *fld_track = chunk_newstr(out);
+ chunk_appendf(out, "%s/%s", sv->track->proxy->id, sv->track->id);
+ metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, fld_track);
+ }
+ break;
+ case ST_F_TYPE:
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SV);
+ break;
+ case ST_F_RATE:
+ metric = mkf_u32(FN_RATE, read_freq_ctr(&sv->sess_per_sec));
+ break;
+ case ST_F_RATE_MAX:
+ metric = mkf_u32(FN_MAX, sv->counters.sps_max);
+ break;
+ case ST_F_CHECK_STATUS:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
+ const char *fld_chksts;
+
+ fld_chksts = chunk_newstr(out);
+ chunk_strcat(out, "* "); // for check in progress
+ chunk_strcat(out, get_check_status_info(sv->check.status));
+ if (!(sv->check.state & CHK_ST_INPROGRESS))
+ fld_chksts += 2; // skip "* "
+ metric = mkf_str(FN_OUTPUT, fld_chksts);
+ }
+ break;
+ case ST_F_CHECK_CODE:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
+ sv->check.status >= HCHK_STATUS_L57DATA)
+ metric = mkf_u32(FN_OUTPUT, sv->check.code);
+ break;
+ case ST_F_CHECK_DURATION:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
+ sv->check.status >= HCHK_STATUS_CHECKED)
+ metric = mkf_u64(FN_DURATION, MAX(sv->check.duration, 0));
+ break;
+ case ST_F_CHECK_DESC:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_str(FN_OUTPUT, get_check_status_description(sv->check.status));
+ break;
+ case ST_F_LAST_CHK:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_str(FN_OUTPUT, sv->check.desc);
+ break;
+ case ST_F_CHECK_RISE:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.rise);
+ break;
+ case ST_F_CHECK_FALL:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.fall);
+ break;
+ case ST_F_CHECK_HEALTH:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.health);
+ break;
+ case ST_F_AGENT_STATUS:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
+ const char *fld_chksts;
+
+ fld_chksts = chunk_newstr(out);
+ chunk_strcat(out, "* "); // for check in progress
+ chunk_strcat(out, get_check_status_info(sv->agent.status));
+ if (!(sv->agent.state & CHK_ST_INPROGRESS))
+ fld_chksts += 2; // skip "* "
+ metric = mkf_str(FN_OUTPUT, fld_chksts);
+ }
+ break;
+ case ST_F_AGENT_CODE:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
+ (sv->agent.status >= HCHK_STATUS_L57DATA))
+ metric = mkf_u32(FN_OUTPUT, sv->agent.code);
+ break;
+ case ST_F_AGENT_DURATION:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u64(FN_DURATION, sv->agent.duration);
+ break;
+ case ST_F_AGENT_DESC:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_str(FN_OUTPUT, get_check_status_description(sv->agent.status));
+ break;
+ case ST_F_LAST_AGT:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_str(FN_OUTPUT, sv->agent.desc);
+ break;
+ case ST_F_AGENT_RISE:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.rise);
+ break;
+ case ST_F_AGENT_FALL:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.fall);
+ break;
+ case ST_F_AGENT_HEALTH:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.health);
+ break;
+ case ST_F_REQ_TOT:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.cum_req);
+ break;
+ case ST_F_HRSP_1XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[1]);
+ break;
+ case ST_F_HRSP_2XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[2]);
+ break;
+ case ST_F_HRSP_3XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[3]);
+ break;
+ case ST_F_HRSP_4XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[4]);
+ break;
+ case ST_F_HRSP_5XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[5]);
+ break;
+ case ST_F_HRSP_OTHER:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[0]);
+ break;
+ case ST_F_HANAFAIL:
+ if (ref->observe)
+ metric = mkf_u64(FN_COUNTER, sv->counters.failed_hana);
+ break;
+ case ST_F_CLI_ABRT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.cli_aborts);
+ break;
+ case ST_F_SRV_ABRT:
+ metric = mkf_u64(FN_COUNTER, sv->counters.srv_aborts);
+ break;
+ case ST_F_LASTSESS:
+ metric = mkf_s32(FN_AGE, srv_lastsession(sv));
+ break;
+ case ST_F_QTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.q_time, srv_samples_window));
+ break;
+ case ST_F_CTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.c_time, srv_samples_window));
+ break;
+ case ST_F_RTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.d_time, srv_samples_window));
+ break;
+ case ST_F_TTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.t_time, srv_samples_window));
+ break;
+ case ST_F_QT_MAX:
+ metric = mkf_u32(FN_MAX, sv->counters.qtime_max);
+ break;
+ case ST_F_CT_MAX:
+ metric = mkf_u32(FN_MAX, sv->counters.ctime_max);
+ break;
+ case ST_F_RT_MAX:
+ metric = mkf_u32(FN_MAX, sv->counters.dtime_max);
+ break;
+ case ST_F_TT_MAX:
+ metric = mkf_u32(FN_MAX, sv->counters.ttime_max);
+ break;
+ case ST_F_ADDR:
+ if (flags & STAT_SHLGNDS) {
+ switch (addr_to_str(&sv->addr, str, sizeof(str))) {
+ case AF_INET:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "%s:%d", str, sv->svc_port);
+ break;
+ case AF_INET6:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "[%s]:%d", str, sv->svc_port);
+ break;
+ case AF_UNIX:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
+ break;
+ case -1:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_strcat(out, strerror(errno));
+ break;
+ default: /* address family not supported */
+ break;
+ }
+ }
+ break;
+ case ST_F_COOKIE:
+ if (flags & STAT_SHLGNDS && sv->cookie)
+ metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, sv->cookie);
+ break;
+ default:
+ /* not used for servers. If a specific metric
+ * is requested, return an error. Otherwise continue.
+ */
+ if (selected_field != NULL)
+ return 0;
+ continue;
+ }
+ stats[current_field] = metric;
+ if (selected_field != NULL)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a line for server <sv> and proxy <px> to the local trash vbuffer and
+ * uses the state from stream connector <sc>, and server state <state>. The
+ * caller is responsible for clearing the local trash buffer if needed. Returns
+ * non-zero if it emits anything, zero otherwise.
+ */
+static int stats_dump_sv_stats(struct stconn *sc, struct proxy *px, struct server *sv)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct stats_module *mod;
+ struct field *stats = stat_l[STATS_DOMAIN_PROXY];
+ size_t stats_count = ST_F_TOTAL_FIELDS;
+
+ memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_sv_stats(px, sv, ctx->flags, stats,
+ ST_F_TOTAL_FIELDS, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ void *counters;
+
+ if (stats_get_domain(mod->domain_flags) != STATS_DOMAIN_PROXY)
+ continue;
+
+ if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV)) {
+ stats_count += mod->stats_count;
+ continue;
+ }
+
+ counters = EXTRA_COUNTERS_GET(sv->extra_counters, mod);
+ mod->fill_stats(counters, stats + stats_count);
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(stats, stats_count, appctx);
+}
+
+/* Helper to compute srv values for a given backend
+ */
+static void stats_fill_be_stats_computesrv(struct proxy *px, int *nbup, int *nbsrv, int *totuw)
+{
+ int nbup_tmp, nbsrv_tmp, totuw_tmp;
+ const struct server *srv;
+
+ nbup_tmp = nbsrv_tmp = totuw_tmp = 0;
+ for (srv = px->srv; srv; srv = srv->next) {
+ if (srv->cur_state != SRV_ST_STOPPED) {
+ nbup_tmp++;
+ if (srv_currently_usable(srv) &&
+ (!px->srv_act ^ !(srv->flags & SRV_F_BACKUP)))
+ totuw_tmp += srv->uweight;
+ }
+ nbsrv_tmp++;
+ }
+
+ HA_RWLOCK_RDLOCK(LBPRM_LOCK, &px->lbprm.lock);
+ if (!px->srv_act && px->lbprm.fbck)
+ totuw_tmp = px->lbprm.fbck->uweight;
+ HA_RWLOCK_RDUNLOCK(LBPRM_LOCK, &px->lbprm.lock);
+
+ /* use tmp variable then assign result to make gcc happy */
+ *nbup = nbup_tmp;
+ *nbsrv = nbsrv_tmp;
+ *totuw = totuw_tmp;
+}
+
+/* Fill <stats> with the backend statistics. <stats> is preallocated array of
+ * length <len>. If <selected_field> is != NULL, only fill this one. The length
+ * of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
+ * this value, or if the selected field is not implemented for backends, the
+ * function returns 0, otherwise, it returns 1. <flags> can take the value
+ * STAT_SHLGNDS.
+ */
+int stats_fill_be_stats(struct proxy *px, int flags, struct field *stats, int len,
+ enum stat_field *selected_field)
+{
+ enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
+ long long be_samples_counter;
+ unsigned int be_samples_window = TIME_STATS_SAMPLES;
+ struct buffer *out = get_trash_chunk();
+ int nbup, nbsrv, totuw;
+ char *fld;
+
+ if (len < ST_F_TOTAL_FIELDS)
+ return 0;
+
+ nbup = nbsrv = totuw = 0;
+ /* some srv values compute for later if we either select all fields or
+ * need them for one of the mentioned ones */
+ if (selected_field == NULL || *selected_field == ST_F_STATUS ||
+ *selected_field == ST_F_UWEIGHT)
+ stats_fill_be_stats_computesrv(px, &nbup, &nbsrv, &totuw);
+
+ /* same here but specific to time fields */
+ if (selected_field == NULL || *selected_field == ST_F_QTIME ||
+ *selected_field == ST_F_CTIME || *selected_field == ST_F_RTIME ||
+ *selected_field == ST_F_TTIME) {
+ be_samples_counter = (px->mode == PR_MODE_HTTP) ? px->be_counters.p.http.cum_req : px->be_counters.cum_lbconn;
+ if (be_samples_counter < TIME_STATS_SAMPLES && be_samples_counter > 0)
+ be_samples_window = be_samples_counter;
+ }
+
+ for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
+ struct field metric = { 0 };
+
+ switch (current_field) {
+ case ST_F_PXNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_F_SVNAME:
+ metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "BACKEND");
+ break;
+ case ST_F_MODE:
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_F_QCUR:
+ metric = mkf_u32(0, px->queue.length);
+ break;
+ case ST_F_QMAX:
+ metric = mkf_u32(FN_MAX, px->be_counters.nbpend_max);
+ break;
+ case ST_F_SCUR:
+ metric = mkf_u32(0, px->beconn);
+ break;
+ case ST_F_SMAX:
+ metric = mkf_u32(FN_MAX, px->be_counters.conn_max);
+ break;
+ case ST_F_SLIM:
+ metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn);
+ break;
+ case ST_F_STOT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn);
+ break;
+ case ST_F_BIN:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_in);
+ break;
+ case ST_F_BOUT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_out);
+ break;
+ case ST_F_DREQ:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.denied_req);
+ break;
+ case ST_F_DRESP:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.denied_resp);
+ break;
+ case ST_F_ECON:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.failed_conns);
+ break;
+ case ST_F_ERESP:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.failed_resp);
+ break;
+ case ST_F_WRETR:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.retries);
+ break;
+ case ST_F_WREDIS:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.redispatches);
+ break;
+ case ST_F_WREW:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.failed_rewrites);
+ break;
+ case ST_F_EINT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.internal_errors);
+ break;
+ case ST_F_CONNECT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.connect);
+ break;
+ case ST_F_REUSE:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.reuse);
+ break;
+ case ST_F_STATUS:
+ fld = chunk_newstr(out);
+ chunk_appendf(out, "%s", (px->lbprm.tot_weight > 0 || !px->srv) ? "UP" : "DOWN");
+ if (flags & (STAT_HIDE_MAINT|STAT_HIDE_DOWN))
+ chunk_appendf(out, " (%d/%d)", nbup, nbsrv);
+ metric = mkf_str(FO_STATUS, fld);
+ break;
+ case ST_F_AGG_SRV_CHECK_STATUS: // DEPRECATED
+ case ST_F_AGG_SRV_STATUS:
+ metric = mkf_u32(FN_GAUGE, 0);
+ break;
+ case ST_F_AGG_CHECK_STATUS:
+ metric = mkf_u32(FN_GAUGE, 0);
+ break;
+ case ST_F_WEIGHT:
+ metric = mkf_u32(FN_AVG, (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
+ break;
+ case ST_F_UWEIGHT:
+ metric = mkf_u32(FN_AVG, totuw);
+ break;
+ case ST_F_ACT:
+ metric = mkf_u32(0, px->srv_act);
+ break;
+ case ST_F_BCK:
+ metric = mkf_u32(0, px->srv_bck);
+ break;
+ case ST_F_CHKDOWN:
+ metric = mkf_u64(FN_COUNTER, px->down_trans);
+ break;
+ case ST_F_LASTCHG:
+ metric = mkf_u32(FN_AGE, ns_to_sec(now_ns) - px->last_change);
+ break;
+ case ST_F_DOWNTIME:
+ if (px->srv)
+ metric = mkf_u32(FN_COUNTER, be_downtime(px));
+ break;
+ case ST_F_PID:
+ metric = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_F_IID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_F_SID:
+ metric = mkf_u32(FO_KEY|FS_SERVICE, 0);
+ break;
+ case ST_F_LBTOT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.cum_lbconn);
+ break;
+ case ST_F_TYPE:
+ metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_BE);
+ break;
+ case ST_F_RATE:
+ metric = mkf_u32(0, read_freq_ctr(&px->be_sess_per_sec));
+ break;
+ case ST_F_RATE_MAX:
+ metric = mkf_u32(0, px->be_counters.sps_max);
+ break;
+ case ST_F_COOKIE:
+ if (flags & STAT_SHLGNDS && px->cookie_name)
+ metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, px->cookie_name);
+ break;
+ case ST_F_ALGO:
+ if (flags & STAT_SHLGNDS)
+ metric = mkf_str(FO_CONFIG|FS_SERVICE, backend_lb_algo_str(px->lbprm.algo & BE_LB_ALGO));
+ break;
+ case ST_F_REQ_TOT:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cum_req);
+ break;
+ case ST_F_HRSP_1XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[1]);
+ break;
+ case ST_F_HRSP_2XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[2]);
+ break;
+ case ST_F_HRSP_3XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[3]);
+ break;
+ case ST_F_HRSP_4XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[4]);
+ break;
+ case ST_F_HRSP_5XX:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[5]);
+ break;
+ case ST_F_HRSP_OTHER:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[0]);
+ break;
+ case ST_F_CACHE_LOOKUPS:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_lookups);
+ break;
+ case ST_F_CACHE_HITS:
+ if (px->mode == PR_MODE_HTTP)
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_hits);
+ break;
+ case ST_F_CLI_ABRT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.cli_aborts);
+ break;
+ case ST_F_SRV_ABRT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.srv_aborts);
+ break;
+ case ST_F_COMP_IN:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.comp_in[COMP_DIR_RES]);
+ break;
+ case ST_F_COMP_OUT:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.comp_out[COMP_DIR_RES]);
+ break;
+ case ST_F_COMP_BYP:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.comp_byp[COMP_DIR_RES]);
+ break;
+ case ST_F_COMP_RSP:
+ metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.comp_rsp);
+ break;
+ case ST_F_LASTSESS:
+ metric = mkf_s32(FN_AGE, be_lastsession(px));
+ break;
+ case ST_F_QTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.q_time, be_samples_window));
+ break;
+ case ST_F_CTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.c_time, be_samples_window));
+ break;
+ case ST_F_RTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.d_time, be_samples_window));
+ break;
+ case ST_F_TTIME:
+ metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.t_time, be_samples_window));
+ break;
+ case ST_F_QT_MAX:
+ metric = mkf_u32(FN_MAX, px->be_counters.qtime_max);
+ break;
+ case ST_F_CT_MAX:
+ metric = mkf_u32(FN_MAX, px->be_counters.ctime_max);
+ break;
+ case ST_F_RT_MAX:
+ metric = mkf_u32(FN_MAX, px->be_counters.dtime_max);
+ break;
+ case ST_F_TT_MAX:
+ metric = mkf_u32(FN_MAX, px->be_counters.ttime_max);
+ break;
+ default:
+ /* not used for backends. If a specific metric
+ * is requested, return an error. Otherwise continue.
+ */
+ if (selected_field != NULL)
+ return 0;
+ continue;
+ }
+ stats[current_field] = metric;
+ if (selected_field != NULL)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a line for backend <px> to the local trash buffer for and uses the
+ * state from stream interface <si>. The caller is responsible for clearing the
+ * local trash buffer if needed. Returns non-zero if it emits anything, zero
+ * otherwise.
+ */
+static int stats_dump_be_stats(struct stconn *sc, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct field *stats = stat_l[STATS_DOMAIN_PROXY];
+ struct stats_module *mod;
+ size_t stats_count = ST_F_TOTAL_FIELDS;
+
+ if (!(px->cap & PR_CAP_BE))
+ return 0;
+
+ if ((ctx->flags & STAT_BOUND) && !(ctx->type & (1 << STATS_TYPE_BE)))
+ return 0;
+
+ memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_be_stats(px, ctx->flags, stats, ST_F_TOTAL_FIELDS, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ struct extra_counters *counters;
+
+ if (stats_get_domain(mod->domain_flags) != STATS_DOMAIN_PROXY)
+ continue;
+
+ if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE)) {
+ stats_count += mod->stats_count;
+ continue;
+ }
+
+ counters = EXTRA_COUNTERS_GET(px->extra_counters_be, mod);
+ mod->fill_stats(counters, stats + stats_count);
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(stats, stats_count, appctx);
+}
+
+/* Dumps the HTML table header for proxy <px> to the local trash buffer for and
+ * uses the state from stream connector <sc>. The caller is responsible for
+ * clearing the local trash buffer if needed.
+ */
+static void stats_dump_html_px_hdr(struct stconn *sc, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
+ struct stats_module *mod;
+ int stats_module_len = 0;
+
+ if (px->cap & PR_CAP_BE && px->srv && (ctx->flags & STAT_ADMIN)) {
+ /* A form to enable/disable this proxy servers */
+
+ /* scope_txt = search pattern + search query, ctx->scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
+ scope_txt[0] = 0;
+ if (ctx->scope_len) {
+ const char *scope_ptr = stats_scope_ptr(appctx, sc);
+
+ strlcpy2(scope_txt, STAT_SCOPE_PATTERN, sizeof(scope_txt));
+ memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, ctx->scope_len);
+ scope_txt[strlen(STAT_SCOPE_PATTERN) + ctx->scope_len] = 0;
+ }
+
+ chunk_appendf(&trash_chunk,
+ "<form method=\"post\">");
+ }
+
+ /* print a new table */
+ chunk_appendf(&trash_chunk,
+ "<table class=\"tbl\" width=\"100%%\">\n"
+ "<tr class=\"titre\">"
+ "<th class=\"pxname\" width=\"10%%\">");
+
+ chunk_appendf(&trash_chunk,
+ "<a name=\"%s\"></a>%s"
+ "<a class=px href=\"#%s\">%s</a>",
+ px->id,
+ (ctx->flags & STAT_SHLGNDS) ? "<u>":"",
+ px->id, px->id);
+
+ if (ctx->flags & STAT_SHLGNDS) {
+ /* cap, mode, id */
+ chunk_appendf(&trash_chunk, "<div class=tips>cap: %s, mode: %s, id: %d",
+ proxy_cap_str(px->cap), proxy_mode_str(px->mode),
+ px->uuid);
+ chunk_appendf(&trash_chunk, "</div>");
+ }
+
+ chunk_appendf(&trash_chunk,
+ "%s</th>"
+ "<th class=\"%s\" width=\"90%%\">%s</th>"
+ "</tr>\n"
+ "</table>\n"
+ "<table class=\"tbl\" width=\"100%%\">\n"
+ "<tr class=\"titre\">",
+ (ctx->flags & STAT_SHLGNDS) ? "</u>":"",
+ px->desc ? "desc" : "empty", px->desc ? px->desc : "");
+
+ if (ctx->flags & STAT_ADMIN) {
+ /* Column heading for Enable or Disable server */
+ if ((px->cap & PR_CAP_BE) && px->srv)
+ chunk_appendf(&trash_chunk,
+ "<th rowspan=2 width=1><input type=\"checkbox\" "
+ "onclick=\"for(c in document.getElementsByClassName('%s-checkbox')) "
+ "document.getElementsByClassName('%s-checkbox').item(c).checked = this.checked\"></th>",
+ px->id,
+ px->id);
+ else
+ chunk_appendf(&trash_chunk, "<th rowspan=2></th>");
+ }
+
+ chunk_appendf(&trash_chunk,
+ "<th rowspan=2></th>"
+ "<th colspan=3>Queue</th>"
+ "<th colspan=3>Session rate</th><th colspan=6>Sessions</th>"
+ "<th colspan=2>Bytes</th><th colspan=2>Denied</th>"
+ "<th colspan=3>Errors</th><th colspan=2>Warnings</th>"
+ "<th colspan=9>Server</th>");
+
+ if (ctx->flags & STAT_SHMODULES) {
+ // calculate the count of module for colspan attribute
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ ++stats_module_len;
+ }
+ chunk_appendf(&trash_chunk, "<th colspan=%d>Extra modules</th>",
+ stats_module_len);
+ }
+
+ chunk_appendf(&trash_chunk,
+ "</tr>\n"
+ "<tr class=\"titre\">"
+ "<th>Cur</th><th>Max</th><th>Limit</th>"
+ "<th>Cur</th><th>Max</th><th>Limit</th><th>Cur</th><th>Max</th>"
+ "<th>Limit</th><th>Total</th><th>LbTot</th><th>Last</th><th>In</th><th>Out</th>"
+ "<th>Req</th><th>Resp</th><th>Req</th><th>Conn</th>"
+ "<th>Resp</th><th>Retr</th><th>Redis</th>"
+ "<th>Status</th><th>LastChk</th><th>Wght</th><th>Act</th>"
+ "<th>Bck</th><th>Chk</th><th>Dwn</th><th>Dwntme</th>"
+ "<th>Thrtle</th>\n");
+
+ if (ctx->flags & STAT_SHMODULES) {
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ chunk_appendf(&trash_chunk, "<th>%s</th>", mod->name);
+ }
+ }
+
+ chunk_appendf(&trash_chunk, "</tr>");
+}
+
+/* Dumps the HTML table trailer for proxy <px> to the local trash buffer for and
+ * uses the state from stream connector <sc>. The caller is responsible for
+ * clearing the local trash buffer if needed.
+ */
+static void stats_dump_html_px_end(struct stconn *sc, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+
+ chunk_appendf(&trash_chunk, "</table>");
+
+ if ((px->cap & PR_CAP_BE) && px->srv && (ctx->flags & STAT_ADMIN)) {
+ /* close the form used to enable/disable this proxy servers */
+ chunk_appendf(&trash_chunk,
+ "Choose the action to perform on the checked servers : "
+ "<select name=action>"
+ "<option value=\"\"></option>"
+ "<option value=\"ready\">Set state to READY</option>"
+ "<option value=\"drain\">Set state to DRAIN</option>"
+ "<option value=\"maint\">Set state to MAINT</option>"
+ "<option value=\"dhlth\">Health: disable checks</option>"
+ "<option value=\"ehlth\">Health: enable checks</option>"
+ "<option value=\"hrunn\">Health: force UP</option>"
+ "<option value=\"hnolb\">Health: force NOLB</option>"
+ "<option value=\"hdown\">Health: force DOWN</option>"
+ "<option value=\"dagent\">Agent: disable checks</option>"
+ "<option value=\"eagent\">Agent: enable checks</option>"
+ "<option value=\"arunn\">Agent: force UP</option>"
+ "<option value=\"adown\">Agent: force DOWN</option>"
+ "<option value=\"shutdown\">Kill Sessions</option>"
+ "</select>"
+ "<input type=\"hidden\" name=\"b\" value=\"#%d\">"
+ "&nbsp;<input type=\"submit\" value=\"Apply\">"
+ "</form>",
+ px->uuid);
+ }
+
+ chunk_appendf(&trash_chunk, "<p>\n");
+}
+
+/*
+ * Dumps statistics for a proxy. The output is sent to the stream connector's
+ * input buffer. Returns 0 if it had to stop dumping data because of lack of
+ * buffer space, or non-zero if everything completed. This function is used
+ * both by the CLI and the HTTP entry points, and is able to dump the output
+ * in HTML or CSV formats.
+ */
+int stats_dump_proxy_to_buffer(struct stconn *sc, struct htx *htx,
+ struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct channel *rep = sc_ic(sc);
+ struct server *sv, *svs; /* server and server-state, server-state=server or server->track */
+ struct listener *l;
+ struct uri_auth *uri = NULL;
+ int current_field;
+ int px_st = ctx->px_st;
+
+ if (ctx->http_px)
+ uri = ctx->http_px->uri_auth;
+ chunk_reset(&trash_chunk);
+more:
+ current_field = ctx->field;
+
+ switch (ctx->px_st) {
+ case STAT_PX_ST_INIT:
+ /* we are on a new proxy */
+ if (uri && uri->scope) {
+ /* we have a limited scope, we have to check the proxy name */
+ struct stat_scope *scope;
+ int len;
+
+ len = strlen(px->id);
+ scope = uri->scope;
+
+ while (scope) {
+ /* match exact proxy name */
+ if (scope->px_len == len && !memcmp(px->id, scope->px_id, len))
+ break;
+
+ /* match '.' which means 'self' proxy */
+ if (strcmp(scope->px_id, ".") == 0 && px == ctx->http_px)
+ break;
+ scope = scope->next;
+ }
+
+ /* proxy name not found : don't dump anything */
+ if (scope == NULL)
+ return 1;
+ }
+
+ /* if the user has requested a limited output and the proxy
+ * name does not match, skip it.
+ */
+ if (ctx->scope_len) {
+ const char *scope_ptr = stats_scope_ptr(appctx, sc);
+
+ if (strnistr(px->id, strlen(px->id), scope_ptr, ctx->scope_len) == NULL)
+ return 1;
+ }
+
+ if ((ctx->flags & STAT_BOUND) &&
+ (ctx->iid != -1) &&
+ (px->uuid != ctx->iid))
+ return 1;
+
+ ctx->px_st = STAT_PX_ST_TH;
+ __fallthrough;
+
+ case STAT_PX_ST_TH:
+ if (ctx->flags & STAT_FMT_HTML) {
+ stats_dump_html_px_hdr(sc, px);
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ }
+
+ ctx->px_st = STAT_PX_ST_FE;
+ __fallthrough;
+
+ case STAT_PX_ST_FE:
+ /* print the frontend */
+ if (stats_dump_fe_stats(sc, px)) {
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ ctx->flags |= STAT_STARTED;
+ if (ctx->field)
+ goto more;
+ }
+
+ current_field = 0;
+ ctx->obj2 = px->conf.listeners.n;
+ ctx->px_st = STAT_PX_ST_LI;
+ __fallthrough;
+
+ case STAT_PX_ST_LI:
+ /* obj2 points to listeners list as initialized above */
+ for (; ctx->obj2 != &px->conf.listeners; ctx->obj2 = l->by_fe.n) {
+ if (htx) {
+ if (htx_almost_full(htx)) {
+ sc_need_room(sc, htx->size / 2);
+ goto full;
+ }
+ }
+ else {
+ if (buffer_almost_full(&rep->buf)) {
+ sc_need_room(sc, b_size(&rep->buf) / 2);
+ goto full;
+ }
+ }
+
+ l = LIST_ELEM(ctx->obj2, struct listener *, by_fe);
+ if (!l->counters)
+ continue;
+
+ if (ctx->flags & STAT_BOUND) {
+ if (!(ctx->type & (1 << STATS_TYPE_SO)))
+ break;
+
+ if (ctx->sid != -1 && l->luid != ctx->sid)
+ continue;
+ }
+
+ /* print the frontend */
+ if (stats_dump_li_stats(sc, px, l)) {
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ ctx->flags |= STAT_STARTED;
+ if (ctx->field)
+ goto more;
+ }
+ current_field = 0;
+ }
+
+ ctx->obj2 = px->srv; /* may be NULL */
+ ctx->px_st = STAT_PX_ST_SV;
+ __fallthrough;
+
+ case STAT_PX_ST_SV:
+ /* check for dump resumption */
+ if (px_st == STAT_PX_ST_SV) {
+ struct server *cur = ctx->obj2;
+
+ /* re-entrant dump */
+ BUG_ON(!cur);
+ if (cur->flags & SRV_F_DELETED) {
+ /* the server could have been marked as deleted
+ * between two dumping attempts, skip it.
+ */
+ cur = cur->next;
+ }
+ srv_drop(ctx->obj2); /* drop old srv taken on last dumping attempt */
+ ctx->obj2 = cur; /* could be NULL */
+ /* back to normal */
+ }
+
+ /* obj2 points to servers list as initialized above.
+ *
+ * A server may be removed during the stats dumping.
+ * Temporarily increment its refcount to prevent its
+ * anticipated cleaning. Call srv_drop() to release it.
+ */
+ for (; ctx->obj2 != NULL;
+ ctx->obj2 = srv_drop(sv)) {
+
+ sv = ctx->obj2;
+ srv_take(sv);
+
+ if (htx) {
+ if (htx_almost_full(htx)) {
+ sc_need_room(sc, htx->size / 2);
+ goto full;
+ }
+ }
+ else {
+ if (buffer_almost_full(&rep->buf)) {
+ sc_need_room(sc, b_size(&rep->buf) / 2);
+ goto full;
+ }
+ }
+
+ if (ctx->flags & STAT_BOUND) {
+ if (!(ctx->type & (1 << STATS_TYPE_SV))) {
+ srv_drop(sv);
+ break;
+ }
+
+ if (ctx->sid != -1 && sv->puid != ctx->sid)
+ continue;
+ }
+
+ /* do not report disabled servers */
+ if (ctx->flags & STAT_HIDE_MAINT &&
+ sv->cur_admin & SRV_ADMF_MAINT) {
+ continue;
+ }
+
+ svs = sv;
+ while (svs->track)
+ svs = svs->track;
+
+ /* do not report servers which are DOWN and not changing state */
+ if ((ctx->flags & STAT_HIDE_DOWN) &&
+ ((sv->cur_admin & SRV_ADMF_MAINT) || /* server is in maintenance */
+ (sv->cur_state == SRV_ST_STOPPED && /* server is down */
+ (!((svs->agent.state | svs->check.state) & CHK_ST_ENABLED) ||
+ ((svs->agent.state & CHK_ST_ENABLED) && !svs->agent.health) ||
+ ((svs->check.state & CHK_ST_ENABLED) && !svs->check.health))))) {
+ continue;
+ }
+
+ if (stats_dump_sv_stats(sc, px, sv)) {
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ ctx->flags |= STAT_STARTED;
+ if (ctx->field)
+ goto more;
+ }
+ current_field = 0;
+ } /* for sv */
+
+ ctx->px_st = STAT_PX_ST_BE;
+ __fallthrough;
+
+ case STAT_PX_ST_BE:
+ /* print the backend */
+ if (stats_dump_be_stats(sc, px)) {
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ ctx->flags |= STAT_STARTED;
+ if (ctx->field)
+ goto more;
+ }
+
+ current_field = 0;
+ ctx->px_st = STAT_PX_ST_END;
+ __fallthrough;
+
+ case STAT_PX_ST_END:
+ if (ctx->flags & STAT_FMT_HTML) {
+ stats_dump_html_px_end(sc, px);
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ }
+
+ ctx->px_st = STAT_PX_ST_FIN;
+ __fallthrough;
+
+ case STAT_PX_ST_FIN:
+ return 1;
+
+ default:
+ /* unknown state, we should put an abort() here ! */
+ return 1;
+ }
+
+ full:
+ /* restore previous field */
+ ctx->field = current_field;
+ return 0;
+}
+
+/* Dumps the HTTP stats head block to the local trash buffer and uses the
+ * per-uri parameters from the parent proxy. The caller is responsible for
+ * clearing the local trash buffer if needed.
+ */
+static void stats_dump_html_head(struct appctx *appctx)
+{
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct uri_auth *uri;
+
+ BUG_ON(!ctx->http_px);
+ uri = ctx->http_px->uri_auth;
+
+ /* WARNING! This must fit in the first buffer !!! */
+ chunk_appendf(&trash_chunk,
+ "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n"
+ "\"http://www.w3.org/TR/html4/loose.dtd\">\n"
+ "<html><head><title>Statistics Report for " PRODUCT_NAME "%s%s</title>\n"
+ "<link rel=\"icon\" href=\"data:,\">\n"
+ "<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n"
+ "<style type=\"text/css\"><!--\n"
+ "body {"
+ " font-family: arial, helvetica, sans-serif;"
+ " font-size: 12px;"
+ " font-weight: normal;"
+ " color: black;"
+ " background: white;"
+ "}\n"
+ "th,td {"
+ " font-size: 10px;"
+ "}\n"
+ "h1 {"
+ " font-size: x-large;"
+ " margin-bottom: 0.5em;"
+ "}\n"
+ "h2 {"
+ " font-family: helvetica, arial;"
+ " font-size: x-large;"
+ " font-weight: bold;"
+ " font-style: italic;"
+ " color: #6020a0;"
+ " margin-top: 0em;"
+ " margin-bottom: 0em;"
+ "}\n"
+ "h3 {"
+ " font-family: helvetica, arial;"
+ " font-size: 16px;"
+ " font-weight: bold;"
+ " color: #b00040;"
+ " background: #e8e8d0;"
+ " margin-top: 0em;"
+ " margin-bottom: 0em;"
+ "}\n"
+ "li {"
+ " margin-top: 0.25em;"
+ " margin-right: 2em;"
+ "}\n"
+ ".hr {margin-top: 0.25em;"
+ " border-color: black;"
+ " border-bottom-style: solid;"
+ "}\n"
+ ".titre {background: #20D0D0;color: #000000; font-weight: bold; text-align: center;}\n"
+ ".total {background: #20D0D0;color: #ffff80;}\n"
+ ".frontend {background: #e8e8d0;}\n"
+ ".socket {background: #d0d0d0;}\n"
+ ".backend {background: #e8e8d0;}\n"
+ ".active_down {background: #ff9090;}\n"
+ ".active_going_up {background: #ffd020;}\n"
+ ".active_going_down {background: #ffffa0;}\n"
+ ".active_up {background: #c0ffc0;}\n"
+ ".active_nolb {background: #20a0ff;}\n"
+ ".active_draining {background: #20a0FF;}\n"
+ ".active_no_check {background: #e0e0e0;}\n"
+ ".backup_down {background: #ff9090;}\n"
+ ".backup_going_up {background: #ff80ff;}\n"
+ ".backup_going_down {background: #c060ff;}\n"
+ ".backup_up {background: #b0d0ff;}\n"
+ ".backup_nolb {background: #90b0e0;}\n"
+ ".backup_draining {background: #cc9900;}\n"
+ ".backup_no_check {background: #e0e0e0;}\n"
+ ".maintain {background: #c07820;}\n"
+ ".rls {letter-spacing: 0.2em; margin-right: 1px;}\n" /* right letter spacing (used for grouping digits) */
+ "\n"
+ "a.px:link {color: #ffff40; text-decoration: none;}"
+ "a.px:visited {color: #ffff40; text-decoration: none;}"
+ "a.px:hover {color: #ffffff; text-decoration: none;}"
+ "a.lfsb:link {color: #000000; text-decoration: none;}"
+ "a.lfsb:visited {color: #000000; text-decoration: none;}"
+ "a.lfsb:hover {color: #505050; text-decoration: none;}"
+ "\n"
+ "table.tbl { border-collapse: collapse; border-style: none;}\n"
+ "table.tbl td { text-align: right; border-width: 1px 1px 1px 1px; border-style: solid solid solid solid; padding: 2px 3px; border-color: gray; white-space: nowrap;}\n"
+ "table.tbl td.ac { text-align: center;}\n"
+ "table.tbl th { border-width: 1px; border-style: solid solid solid solid; border-color: gray;}\n"
+ "table.tbl th.pxname { background: #b00040; color: #ffff40; font-weight: bold; border-style: solid solid none solid; padding: 2px 3px; white-space: nowrap;}\n"
+ "table.tbl th.empty { border-style: none; empty-cells: hide; background: white;}\n"
+ "table.tbl th.desc { background: white; border-style: solid solid none solid; text-align: left; padding: 2px 3px;}\n"
+ "\n"
+ "table.lgd { border-collapse: collapse; border-width: 1px; border-style: none none none solid; border-color: black;}\n"
+ "table.lgd td { border-width: 1px; border-style: solid solid solid solid; border-color: gray; padding: 2px;}\n"
+ "table.lgd td.noborder { border-style: none; padding: 2px; white-space: nowrap;}\n"
+ "table.det { border-collapse: collapse; border-style: none; }\n"
+ "table.det th { text-align: left; border-width: 0px; padding: 0px 1px 0px 0px; font-style:normal;font-size:11px;font-weight:bold;font-family: sans-serif;}\n"
+ "table.det td { text-align: right; border-width: 0px; padding: 0px 0px 0px 4px; white-space: nowrap; font-style:normal;font-size:11px;font-weight:normal;}\n"
+ "u {text-decoration:none; border-bottom: 1px dotted black;}\n"
+ "div.tips {\n"
+ " display:block;\n"
+ " visibility:hidden;\n"
+ " z-index:2147483647;\n"
+ " position:absolute;\n"
+ " padding:2px 4px 3px;\n"
+ " background:#f0f060; color:#000000;\n"
+ " border:1px solid #7040c0;\n"
+ " white-space:nowrap;\n"
+ " font-style:normal;font-size:11px;font-weight:normal;\n"
+ " -moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px;\n"
+ " -moz-box-shadow:gray 2px 2px 3px;-webkit-box-shadow:gray 2px 2px 3px;box-shadow:gray 2px 2px 3px;\n"
+ "}\n"
+ "u:hover div.tips {visibility:visible;}\n"
+ "@media (prefers-color-scheme: dark) {\n"
+ " body { font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: normal; color: #e8e6e3; background: #131516;}\n"
+ " h1 { color: #a265e0!important; }\n"
+ " h2 { color: #a265e0; }\n"
+ " h3 { color: #ff5190; background-color: #3e3e1f; }\n"
+ " a { color: #3391ff; }\n"
+ " input { background-color: #2f3437; }\n"
+ " .hr { border-color: #8c8273; }\n"
+ " .titre { background-color: #1aa6a6; color: #e8e6e3; }\n"
+ " .frontend {background: #2f3437;}\n"
+ " .socket {background: #2a2d2f;}\n"
+ " .backend {background: #2f3437;}\n"
+ " .active_down {background: #760000;}\n"
+ " .active_going_up {background: #b99200;}\n"
+ " .active_going_down {background: #6c6c00;}\n"
+ " .active_up {background: #165900;}\n"
+ " .active_nolb {background: #006ab9;}\n"
+ " .active_draining {background: #006ab9;}\n"
+ " .active_no_check {background: #2a2d2f;}\n"
+ " .backup_down {background: #760000;}\n"
+ " .backup_going_up {background: #7f007f;}\n"
+ " .backup_going_down {background: #580092;}\n"
+ " .backup_up {background: #2e3234;}\n"
+ " .backup_nolb {background: #1e3c6a;}\n"
+ " .backup_draining {background: #a37a00;}\n"
+ " .backup_no_check {background: #2a2d2f;}\n"
+ " .maintain {background: #9a601a;}\n"
+ " a.px:link {color: #d8d83b; text-decoration: none;}\n"
+ " a.px:visited {color: #d8d83b; text-decoration: none;}\n"
+ " a.px:hover {color: #ffffff; text-decoration: none;}\n"
+ " a.lfsb:link {color: #e8e6e3; text-decoration: none;}\n"
+ " a.lfsb:visited {color: #e8e6e3; text-decoration: none;}\n"
+ " a.lfsb:hover {color: #b5afa6; text-decoration: none;}\n"
+ " table.tbl th.empty { background-color: #181a1b; }\n"
+ " table.tbl th.desc { background: #181a1b; }\n"
+ " table.tbl th.pxname { background-color: #8d0033; color: #ffff46; }\n"
+ " table.tbl th { border-color: #808080; }\n"
+ " table.tbl td { border-color: #808080; }\n"
+ " u {text-decoration:none; border-bottom: 1px dotted #e8e6e3;}\n"
+ " div.tips {\n"
+ " background:#8e8e0d;\n"
+ " color:#e8e6e3;\n"
+ " border-color: #4e2c86;\n"
+ " -moz-box-shadow: #60686c 2px 2px 3px;\n"
+ " -webkit-box-shadow: #60686c 2px 2px 3px;\n"
+ " box-shadow: #60686c 2px 2px 3px;\n"
+ " }\n"
+ "}\n"
+ "-->\n"
+ "</style></head>\n",
+ (ctx->flags & STAT_SHNODE) ? " on " : "",
+ (ctx->flags & STAT_SHNODE) ? (uri && uri->node ? uri->node : global.node) : ""
+ );
+}
+
+/* Dumps the HTML stats information block to the local trash buffer and uses
+ * the state from stream connector <sc> and per-uri parameter from the parent
+ * proxy. The caller is responsible for clearing the local trash buffer if
+ * needed.
+ */
+static void stats_dump_html_info(struct stconn *sc)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ unsigned int up = ns_to_sec(now_ns - start_time_ns);
+ char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
+ const char *scope_ptr = stats_scope_ptr(appctx, sc);
+ struct uri_auth *uri;
+ unsigned long long bps;
+ int thr;
+
+ BUG_ON(!ctx->http_px);
+ uri = ctx->http_px->uri_auth;
+ for (bps = thr = 0; thr < global.nbthread; thr++)
+ bps += 32ULL * read_freq_ctr(&ha_thread_ctx[thr].out_32bps);
+
+ /* Turn the bytes per second to bits per second and take care of the
+ * usual ethernet overhead in order to help figure how far we are from
+ * interface saturation since it's the only case which usually matters.
+ * For this we count the total size of an Ethernet frame on the wire
+ * including preamble and IFG (1538) for the largest TCP segment it
+ * transports (1448 with TCP timestamps). This is not valid for smaller
+ * packets (under-estimated), but it gives a reasonably accurate
+ * estimation of how far we are from uplink saturation.
+ */
+ bps = bps * 8 * 1538 / 1448;
+
+ /* WARNING! this has to fit the first packet too.
+ * We are around 3.5 kB, add adding entries will
+ * become tricky if we want to support 4kB buffers !
+ */
+ chunk_appendf(&trash_chunk,
+ "<body><h1><a href=\"" PRODUCT_URL "\" style=\"text-decoration: none;\">"
+ PRODUCT_NAME "%s</a></h1>\n"
+ "<h2>Statistics Report for pid %d%s%s%s%s</h2>\n"
+ "<hr width=\"100%%\" class=\"hr\">\n"
+ "<h3>&gt; General process information</h3>\n"
+ "<table border=0><tr><td align=\"left\" nowrap width=\"1%%\">\n"
+ "<p><b>pid = </b> %d (process #%d, nbproc = %d, nbthread = %d)<br>\n"
+ "<b>uptime = </b> %dd %dh%02dm%02ds; warnings = %u<br>\n"
+ "<b>system limits:</b> memmax = %s%s; ulimit-n = %d<br>\n"
+ "<b>maxsock = </b> %d; <b>maxconn = </b> %d; <b>reached = </b> %llu; <b>maxpipes = </b> %d<br>\n"
+ "current conns = %d; current pipes = %d/%d; conn rate = %d/sec; bit rate = %.3f %cbps<br>\n"
+ "Running tasks: %d/%d (%d niced); idle = %d %%<br>\n"
+ "</td><td align=\"center\" nowrap>\n"
+ "<table class=\"lgd\"><tr>\n"
+ "<td class=\"active_up\">&nbsp;</td><td class=\"noborder\">active UP </td>"
+ "<td class=\"backup_up\">&nbsp;</td><td class=\"noborder\">backup UP </td>"
+ "</tr><tr>\n"
+ "<td class=\"active_going_down\"></td><td class=\"noborder\">active UP, going down </td>"
+ "<td class=\"backup_going_down\"></td><td class=\"noborder\">backup UP, going down </td>"
+ "</tr><tr>\n"
+ "<td class=\"active_going_up\"></td><td class=\"noborder\">active DOWN, going up </td>"
+ "<td class=\"backup_going_up\"></td><td class=\"noborder\">backup DOWN, going up </td>"
+ "</tr><tr>\n"
+ "<td class=\"active_down\"></td><td class=\"noborder\">active or backup DOWN &nbsp;</td>"
+ "<td class=\"active_no_check\"></td><td class=\"noborder\">not checked </td>"
+ "</tr><tr>\n"
+ "<td class=\"maintain\"></td><td class=\"noborder\" colspan=\"3\">active or backup DOWN for maintenance (MAINT) &nbsp;</td>"
+ "</tr><tr>\n"
+ "<td class=\"active_draining\"></td><td class=\"noborder\" colspan=\"3\">active or backup SOFT STOPPED for maintenance &nbsp;</td>"
+ "</tr></table>\n"
+ "Note: \"NOLB\"/\"DRAIN\" = UP with load-balancing disabled."
+ "</td>"
+ "<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
+ "<b>Display option:</b><ul style=\"margin-top: 0.25em;\">"
+ "",
+ (ctx->flags & STAT_HIDEVER) ? "" : (stats_version_string),
+ pid, (ctx->flags & STAT_SHNODE) ? " on " : "",
+ (ctx->flags & STAT_SHNODE) ? (uri->node ? uri->node : global.node) : "",
+ (ctx->flags & STAT_SHDESC) ? ": " : "",
+ (ctx->flags & STAT_SHDESC) ? (uri->desc ? uri->desc : global.desc) : "",
+ pid, 1, 1, global.nbthread,
+ up / 86400, (up % 86400) / 3600,
+ (up % 3600) / 60, (up % 60),
+ HA_ATOMIC_LOAD(&tot_warnings),
+ global.rlimit_memmax ? ultoa(global.rlimit_memmax) : "unlimited",
+ global.rlimit_memmax ? " MB" : "",
+ global.rlimit_nofile,
+ global.maxsock, global.maxconn, HA_ATOMIC_LOAD(&maxconn_reached), global.maxpipes,
+ actconn, pipes_used, pipes_used+pipes_free, read_freq_ctr(&global.conn_per_sec),
+ bps >= 1000000000UL ? (bps / 1000000000.0) : bps >= 1000000UL ? (bps / 1000000.0) : (bps / 1000.0),
+ bps >= 1000000000UL ? 'G' : bps >= 1000000UL ? 'M' : 'k',
+ total_run_queues(), total_allocated_tasks(), total_niced_running_tasks(), clock_report_idle());
+
+ /* scope_txt = search query, ctx->scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
+ memcpy(scope_txt, scope_ptr, ctx->scope_len);
+ scope_txt[ctx->scope_len] = '\0';
+
+ chunk_appendf(&trash_chunk,
+ "<li><form method=\"GET\">Scope : <input value=\"%s\" name=\"" STAT_SCOPE_INPUT_NAME "\" size=\"8\" maxlength=\"%d\" tabindex=\"1\"/></form>\n",
+ (ctx->scope_len > 0) ? scope_txt : "",
+ STAT_SCOPE_TXT_MAXLEN);
+
+ /* scope_txt = search pattern + search query, ctx->scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
+ scope_txt[0] = 0;
+ if (ctx->scope_len) {
+ strlcpy2(scope_txt, STAT_SCOPE_PATTERN, sizeof(scope_txt));
+ memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, ctx->scope_len);
+ scope_txt[strlen(STAT_SCOPE_PATTERN) + ctx->scope_len] = 0;
+ }
+
+ if (ctx->flags & STAT_HIDE_DOWN)
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s%s%s%s\">Show all servers</a><br>\n",
+ uri->uri_prefix,
+ "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ else
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s%s%s%s\">Hide 'DOWN' servers</a><br>\n",
+ uri->uri_prefix,
+ ";up",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+
+ if (uri->refresh > 0) {
+ if (ctx->flags & STAT_NO_REFRESH)
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s%s%s%s\">Enable refresh</a><br>\n",
+ uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ "",
+ scope_txt);
+ else
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s%s%s%s\">Disable refresh</a><br>\n",
+ uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ ";norefresh",
+ scope_txt);
+ }
+
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s%s%s%s\">Refresh now</a><br>\n",
+ uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s;csv%s%s\">CSV export</a><br>\n",
+ uri->uri_prefix,
+ (uri->refresh > 0) ? ";norefresh" : "",
+ scope_txt);
+
+ chunk_appendf(&trash_chunk,
+ "<li><a href=\"%s;json%s%s\">JSON export</a> (<a href=\"%s;json-schema\">schema</a>)<br>\n",
+ uri->uri_prefix,
+ (uri->refresh > 0) ? ";norefresh" : "",
+ scope_txt, uri->uri_prefix);
+
+ chunk_appendf(&trash_chunk,
+ "</ul></td>"
+ "<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
+ "<b>External resources:</b><ul style=\"margin-top: 0.25em;\">\n"
+ "<li><a href=\"" PRODUCT_URL "\">Primary site</a><br>\n"
+ "<li><a href=\"" PRODUCT_URL_UPD "\">Updates (v" PRODUCT_BRANCH ")</a><br>\n"
+ "<li><a href=\"" PRODUCT_URL_DOC "\">Online manual</a><br>\n"
+ "</ul>"
+ "</td>"
+ "</tr></table>\n"
+ ""
+ );
+
+ if (ctx->st_code) {
+ switch (ctx->st_code) {
+ case STAT_STATUS_DONE:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_up>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "Action processed successfully."
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ case STAT_STATUS_NONE:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_going_down>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "Nothing has changed."
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ case STAT_STATUS_PART:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_going_down>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "Action partially processed.<br>"
+ "Some server names are probably unknown or ambiguous (duplicated names in the backend)."
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ case STAT_STATUS_ERRP:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_down>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "Action not processed because of invalid parameters."
+ "<ul>"
+ "<li>The action is maybe unknown.</li>"
+ "<li>Invalid key parameter (empty or too long).</li>"
+ "<li>The backend name is probably unknown or ambiguous (duplicated names).</li>"
+ "<li>Some server names are probably unknown or ambiguous (duplicated names in the backend).</li>"
+ "</ul>"
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ case STAT_STATUS_EXCD:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_down>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "<b>Action not processed : the buffer couldn't store all the data.<br>"
+ "You should retry with less servers at a time.</b>"
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ case STAT_STATUS_DENY:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_down>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "<b>Action denied.</b>"
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ case STAT_STATUS_IVAL:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_down>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "<b>Invalid requests (unsupported method or chunked encoded request).</b>"
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ break;
+ default:
+ chunk_appendf(&trash_chunk,
+ "<p><div class=active_no_check>"
+ "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
+ "Unexpected result."
+ "</div>\n", uri->uri_prefix,
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+ }
+ chunk_appendf(&trash_chunk, "<p>\n");
+ }
+}
+
+/* Dumps the HTML stats trailer block to the local trash buffer. The caller is
+ * responsible for clearing the local trash buffer if needed.
+ */
+static void stats_dump_html_end()
+{
+ chunk_appendf(&trash_chunk, "</body></html>\n");
+}
+
+/* Dumps the stats JSON header to the local trash buffer buffer which. The
+ * caller is responsible for clearing it if needed.
+ */
+static void stats_dump_json_header()
+{
+ chunk_strcat(&trash_chunk, "[");
+}
+
+
+/* Dumps the JSON stats trailer block to the local trash buffer. The caller is
+ * responsible for clearing the local trash buffer if needed.
+ */
+static void stats_dump_json_end()
+{
+ chunk_strcat(&trash_chunk, "]\n");
+}
+
+/* Uses <appctx.ctx.stats.obj1> as a pointer to the current proxy and <obj2> as
+ * a pointer to the current server/listener.
+ */
+static int stats_dump_proxies(struct stconn *sc,
+ struct htx *htx)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct channel *rep = sc_ic(sc);
+ struct proxy *px;
+
+ /* dump proxies */
+ while (ctx->obj1) {
+ if (htx) {
+ if (htx_almost_full(htx)) {
+ sc_need_room(sc, htx->size / 2);
+ goto full;
+ }
+ }
+ else {
+ if (buffer_almost_full(&rep->buf)) {
+ sc_need_room(sc, b_size(&rep->buf) / 2);
+ goto full;
+ }
+ }
+
+ px = ctx->obj1;
+ /* Skip the global frontend proxies and non-networked ones.
+ * Also skip proxies that were disabled in the configuration
+ * This change allows retrieving stats from "old" proxies after a reload.
+ */
+ if (!(px->flags & PR_FL_DISABLED) && px->uuid > 0 &&
+ (px->cap & (PR_CAP_FE | PR_CAP_BE)) && !(px->cap & PR_CAP_INT)) {
+ if (stats_dump_proxy_to_buffer(sc, htx, px) == 0)
+ return 0;
+ }
+
+ ctx->obj1 = px->next;
+ ctx->px_st = STAT_PX_ST_INIT;
+ ctx->field = 0;
+ }
+
+ return 1;
+
+ full:
+ return 0;
+}
+
+/* This function dumps statistics onto the stream connector's read buffer in
+ * either CSV or HTML format. It returns 0 if it had to stop writing data and
+ * an I/O is needed, 1 if the dump is finished and the stream must be closed,
+ * or -1 in case of any error. This function is used by both the CLI and the
+ * HTTP handlers.
+ */
+static int stats_dump_stat_to_buffer(struct stconn *sc, struct htx *htx)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ enum stats_domain domain = ctx->domain;
+
+ chunk_reset(&trash_chunk);
+
+ switch (ctx->state) {
+ case STAT_STATE_INIT:
+ ctx->state = STAT_STATE_HEAD; /* let's start producing data */
+ __fallthrough;
+
+ case STAT_STATE_HEAD:
+ if (ctx->flags & STAT_FMT_HTML)
+ stats_dump_html_head(appctx);
+ else if (ctx->flags & STAT_JSON_SCHM)
+ stats_dump_json_schema(&trash_chunk);
+ else if (ctx->flags & STAT_FMT_JSON)
+ stats_dump_json_header();
+ else if (!(ctx->flags & STAT_FMT_TYPED))
+ stats_dump_csv_header(ctx->domain);
+
+ if (!stats_putchk(appctx, htx))
+ goto full;
+
+ if (ctx->flags & STAT_JSON_SCHM) {
+ ctx->state = STAT_STATE_FIN;
+ return 1;
+ }
+ ctx->state = STAT_STATE_INFO;
+ __fallthrough;
+
+ case STAT_STATE_INFO:
+ if (ctx->flags & STAT_FMT_HTML) {
+ stats_dump_html_info(sc);
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ }
+
+ if (domain == STATS_DOMAIN_PROXY)
+ ctx->obj1 = proxies_list;
+
+ ctx->px_st = STAT_PX_ST_INIT;
+ ctx->field = 0;
+ ctx->state = STAT_STATE_LIST;
+ __fallthrough;
+
+ case STAT_STATE_LIST:
+ switch (domain) {
+ case STATS_DOMAIN_RESOLVERS:
+ if (!stats_dump_resolvers(sc, stat_l[domain],
+ stat_count[domain],
+ &stats_module_list[domain])) {
+ return 0;
+ }
+ break;
+
+ case STATS_DOMAIN_PROXY:
+ default:
+ /* dump proxies */
+ if (!stats_dump_proxies(sc, htx))
+ return 0;
+ break;
+ }
+
+ ctx->state = STAT_STATE_END;
+ __fallthrough;
+
+ case STAT_STATE_END:
+ if (ctx->flags & (STAT_FMT_HTML|STAT_FMT_JSON)) {
+ if (ctx->flags & STAT_FMT_HTML)
+ stats_dump_html_end();
+ else
+ stats_dump_json_end();
+ if (!stats_putchk(appctx, htx))
+ goto full;
+ }
+
+ ctx->state = STAT_STATE_FIN;
+ __fallthrough;
+
+ case STAT_STATE_FIN:
+ return 1;
+
+ default:
+ /* unknown state ! */
+ ctx->state = STAT_STATE_FIN;
+ return -1;
+ }
+
+ full:
+ return 0;
+
+}
+
+/* We reached the stats page through a POST request. The appctx is
+ * expected to have already been allocated by the caller.
+ * Parse the posted data and enable/disable servers if necessary.
+ * Returns 1 if request was parsed or zero if it needs more data.
+ */
+static int stats_process_http_post(struct stconn *sc)
+{
+ struct stream *s = __sc_strm(sc);
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+
+ struct proxy *px = NULL;
+ struct server *sv = NULL;
+
+ char key[LINESIZE];
+ int action = ST_ADM_ACTION_NONE;
+ int reprocess = 0;
+
+ int total_servers = 0;
+ int altered_servers = 0;
+
+ char *first_param, *cur_param, *next_param, *end_params;
+ char *st_cur_param = NULL;
+ char *st_next_param = NULL;
+
+ struct buffer *temp = get_trash_chunk();
+
+ struct htx *htx = htxbuf(&s->req.buf);
+ struct htx_blk *blk;
+
+ /* we need more data */
+ if (s->txn->req.msg_state < HTTP_MSG_DONE) {
+ /* check if we can receive more */
+ if (htx_free_data_space(htx) <= global.tune.maxrewrite) {
+ ctx->st_code = STAT_STATUS_EXCD;
+ goto out;
+ }
+ goto wait;
+ }
+
+ /* The request was fully received. Copy data */
+ blk = htx_get_head_blk(htx);
+ while (blk) {
+ enum htx_blk_type type = htx_get_blk_type(blk);
+
+ if (type == HTX_BLK_TLR || type == HTX_BLK_EOT)
+ break;
+ if (type == HTX_BLK_DATA) {
+ struct ist v = htx_get_blk_value(htx, blk);
+
+ if (!chunk_memcat(temp, v.ptr, v.len)) {
+ ctx->st_code = STAT_STATUS_EXCD;
+ goto out;
+ }
+ }
+ blk = htx_get_next_blk(htx, blk);
+ }
+
+ first_param = temp->area;
+ end_params = temp->area + temp->data;
+ cur_param = next_param = end_params;
+ *end_params = '\0';
+
+ ctx->st_code = STAT_STATUS_NONE;
+
+ /*
+ * Parse the parameters in reverse order to only store the last value.
+ * From the html form, the backend and the action are at the end.
+ */
+ while (cur_param > first_param) {
+ char *value;
+ int poffset, plen;
+
+ cur_param--;
+
+ if ((*cur_param == '&') || (cur_param == first_param)) {
+ reprocess_servers:
+ /* Parse the key */
+ poffset = (cur_param != first_param ? 1 : 0);
+ plen = next_param - cur_param + (cur_param == first_param ? 1 : 0);
+ if ((plen > 0) && (plen <= sizeof(key))) {
+ strncpy(key, cur_param + poffset, plen);
+ key[plen - 1] = '\0';
+ } else {
+ ctx->st_code = STAT_STATUS_ERRP;
+ goto out;
+ }
+
+ /* Parse the value */
+ value = key;
+ while (*value != '\0' && *value != '=') {
+ value++;
+ }
+ if (*value == '=') {
+ /* Ok, a value is found, we can mark the end of the key */
+ *value++ = '\0';
+ }
+ if (url_decode(key, 1) < 0 || url_decode(value, 1) < 0)
+ break;
+
+ /* Now we can check the key to see what to do */
+ if (!px && (strcmp(key, "b") == 0)) {
+ if ((px = proxy_be_by_name(value)) == NULL) {
+ /* the backend name is unknown or ambiguous (duplicate names) */
+ ctx->st_code = STAT_STATUS_ERRP;
+ goto out;
+ }
+ }
+ else if (!action && (strcmp(key, "action") == 0)) {
+ if (strcmp(value, "ready") == 0) {
+ action = ST_ADM_ACTION_READY;
+ }
+ else if (strcmp(value, "drain") == 0) {
+ action = ST_ADM_ACTION_DRAIN;
+ }
+ else if (strcmp(value, "maint") == 0) {
+ action = ST_ADM_ACTION_MAINT;
+ }
+ else if (strcmp(value, "shutdown") == 0) {
+ action = ST_ADM_ACTION_SHUTDOWN;
+ }
+ else if (strcmp(value, "dhlth") == 0) {
+ action = ST_ADM_ACTION_DHLTH;
+ }
+ else if (strcmp(value, "ehlth") == 0) {
+ action = ST_ADM_ACTION_EHLTH;
+ }
+ else if (strcmp(value, "hrunn") == 0) {
+ action = ST_ADM_ACTION_HRUNN;
+ }
+ else if (strcmp(value, "hnolb") == 0) {
+ action = ST_ADM_ACTION_HNOLB;
+ }
+ else if (strcmp(value, "hdown") == 0) {
+ action = ST_ADM_ACTION_HDOWN;
+ }
+ else if (strcmp(value, "dagent") == 0) {
+ action = ST_ADM_ACTION_DAGENT;
+ }
+ else if (strcmp(value, "eagent") == 0) {
+ action = ST_ADM_ACTION_EAGENT;
+ }
+ else if (strcmp(value, "arunn") == 0) {
+ action = ST_ADM_ACTION_ARUNN;
+ }
+ else if (strcmp(value, "adown") == 0) {
+ action = ST_ADM_ACTION_ADOWN;
+ }
+ /* else these are the old supported methods */
+ else if (strcmp(value, "disable") == 0) {
+ action = ST_ADM_ACTION_DISABLE;
+ }
+ else if (strcmp(value, "enable") == 0) {
+ action = ST_ADM_ACTION_ENABLE;
+ }
+ else if (strcmp(value, "stop") == 0) {
+ action = ST_ADM_ACTION_STOP;
+ }
+ else if (strcmp(value, "start") == 0) {
+ action = ST_ADM_ACTION_START;
+ }
+ else {
+ ctx->st_code = STAT_STATUS_ERRP;
+ goto out;
+ }
+ }
+ else if (strcmp(key, "s") == 0) {
+ if (!(px && action)) {
+ /*
+ * Indicates that we'll need to reprocess the parameters
+ * as soon as backend and action are known
+ */
+ if (!reprocess) {
+ st_cur_param = cur_param;
+ st_next_param = next_param;
+ }
+ reprocess = 1;
+ }
+ else if ((sv = findserver(px, value)) != NULL) {
+ HA_SPIN_LOCK(SERVER_LOCK, &sv->lock);
+ switch (action) {
+ case ST_ADM_ACTION_DISABLE:
+ if (!(sv->cur_admin & SRV_ADMF_FMAINT)) {
+ altered_servers++;
+ total_servers++;
+ srv_set_admin_flag(sv, SRV_ADMF_FMAINT, SRV_ADM_STCHGC_STATS_DISABLE);
+ }
+ break;
+ case ST_ADM_ACTION_ENABLE:
+ if (sv->cur_admin & SRV_ADMF_FMAINT) {
+ altered_servers++;
+ total_servers++;
+ srv_clr_admin_flag(sv, SRV_ADMF_FMAINT);
+ }
+ break;
+ case ST_ADM_ACTION_STOP:
+ if (!(sv->cur_admin & SRV_ADMF_FDRAIN)) {
+ srv_set_admin_flag(sv, SRV_ADMF_FDRAIN, SRV_ADM_STCHGC_STATS_STOP);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_START:
+ if (sv->cur_admin & SRV_ADMF_FDRAIN) {
+ srv_clr_admin_flag(sv, SRV_ADMF_FDRAIN);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_DHLTH:
+ if (sv->check.state & CHK_ST_CONFIGURED) {
+ sv->check.state &= ~CHK_ST_ENABLED;
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_EHLTH:
+ if (sv->check.state & CHK_ST_CONFIGURED) {
+ sv->check.state |= CHK_ST_ENABLED;
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_HRUNN:
+ if (!(sv->track)) {
+ sv->check.health = sv->check.rise + sv->check.fall - 1;
+ srv_set_running(sv, SRV_OP_STCHGC_STATS_WEB);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_HNOLB:
+ if (!(sv->track)) {
+ sv->check.health = sv->check.rise + sv->check.fall - 1;
+ srv_set_stopping(sv, SRV_OP_STCHGC_STATS_WEB);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_HDOWN:
+ if (!(sv->track)) {
+ sv->check.health = 0;
+ srv_set_stopped(sv, SRV_OP_STCHGC_STATS_WEB);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_DAGENT:
+ if (sv->agent.state & CHK_ST_CONFIGURED) {
+ sv->agent.state &= ~CHK_ST_ENABLED;
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_EAGENT:
+ if (sv->agent.state & CHK_ST_CONFIGURED) {
+ sv->agent.state |= CHK_ST_ENABLED;
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_ARUNN:
+ if (sv->agent.state & CHK_ST_ENABLED) {
+ sv->agent.health = sv->agent.rise + sv->agent.fall - 1;
+ srv_set_running(sv, SRV_OP_STCHGC_STATS_WEB);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_ADOWN:
+ if (sv->agent.state & CHK_ST_ENABLED) {
+ sv->agent.health = 0;
+ srv_set_stopped(sv, SRV_OP_STCHGC_STATS_WEB);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ case ST_ADM_ACTION_READY:
+ srv_adm_set_ready(sv);
+ altered_servers++;
+ total_servers++;
+ break;
+ case ST_ADM_ACTION_DRAIN:
+ srv_adm_set_drain(sv);
+ altered_servers++;
+ total_servers++;
+ break;
+ case ST_ADM_ACTION_MAINT:
+ srv_adm_set_maint(sv);
+ altered_servers++;
+ total_servers++;
+ break;
+ case ST_ADM_ACTION_SHUTDOWN:
+ if (!(px->flags & (PR_FL_DISABLED|PR_FL_STOPPED))) {
+ srv_shutdown_streams(sv, SF_ERR_KILLED);
+ altered_servers++;
+ total_servers++;
+ }
+ break;
+ }
+ HA_SPIN_UNLOCK(SERVER_LOCK, &sv->lock);
+ } else {
+ /* the server name is unknown or ambiguous (duplicate names) */
+ total_servers++;
+ }
+ }
+ if (reprocess && px && action) {
+ /* Now, we know the backend and the action chosen by the user.
+ * We can safely restart from the first server parameter
+ * to reprocess them
+ */
+ cur_param = st_cur_param;
+ next_param = st_next_param;
+ reprocess = 0;
+ goto reprocess_servers;
+ }
+
+ next_param = cur_param;
+ }
+ }
+
+ if (total_servers == 0) {
+ ctx->st_code = STAT_STATUS_NONE;
+ }
+ else if (altered_servers == 0) {
+ ctx->st_code = STAT_STATUS_ERRP;
+ }
+ else if (altered_servers == total_servers) {
+ ctx->st_code = STAT_STATUS_DONE;
+ }
+ else {
+ ctx->st_code = STAT_STATUS_PART;
+ }
+ out:
+ return 1;
+ wait:
+ ctx->st_code = STAT_STATUS_NONE;
+ return 0;
+}
+
+
+static int stats_send_http_headers(struct stconn *sc, struct htx *htx)
+{
+ struct stream *s = __sc_strm(sc);
+ struct uri_auth *uri;
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct htx_sl *sl;
+ unsigned int flags;
+
+ BUG_ON(!ctx->http_px);
+ uri = ctx->http_px->uri_auth;
+
+ flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_ENC|HTX_SL_F_XFER_LEN|HTX_SL_F_CHNK);
+ sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("200"), ist("OK"));
+ if (!sl)
+ goto full;
+ sl->info.res.status = 200;
+
+ if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")))
+ goto full;
+ if (ctx->flags & STAT_FMT_HTML) {
+ if (!htx_add_header(htx, ist("Content-Type"), ist("text/html")))
+ goto full;
+ }
+ else if (ctx->flags & (STAT_FMT_JSON|STAT_JSON_SCHM)) {
+ if (!htx_add_header(htx, ist("Content-Type"), ist("application/json")))
+ goto full;
+ }
+ else {
+ if (!htx_add_header(htx, ist("Content-Type"), ist("text/plain")))
+ goto full;
+ }
+
+ if (uri->refresh > 0 && !(ctx->flags & STAT_NO_REFRESH)) {
+ const char *refresh = U2A(uri->refresh);
+ if (!htx_add_header(htx, ist("Refresh"), ist(refresh)))
+ goto full;
+ }
+
+ if (ctx->flags & STAT_CHUNKED) {
+ if (!htx_add_header(htx, ist("Transfer-Encoding"), ist("chunked")))
+ goto full;
+ }
+
+ if (!htx_add_endof(htx, HTX_BLK_EOH))
+ goto full;
+
+ channel_add_input(&s->res, htx->data);
+ return 1;
+
+ full:
+ htx_reset(htx);
+ sc_need_room(sc, 0);
+ return 0;
+}
+
+
+static int stats_send_http_redirect(struct stconn *sc, struct htx *htx)
+{
+ char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
+ struct stream *s = __sc_strm(sc);
+ struct uri_auth *uri;
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct htx_sl *sl;
+ unsigned int flags;
+
+ BUG_ON(!ctx->http_px);
+ uri = ctx->http_px->uri_auth;
+
+ /* scope_txt = search pattern + search query, ctx->scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
+ scope_txt[0] = 0;
+ if (ctx->scope_len) {
+ const char *scope_ptr = stats_scope_ptr(appctx, sc);
+
+ strlcpy2(scope_txt, STAT_SCOPE_PATTERN, sizeof(scope_txt));
+ memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, ctx->scope_len);
+ scope_txt[strlen(STAT_SCOPE_PATTERN) + ctx->scope_len] = 0;
+ }
+
+ /* We don't want to land on the posted stats page because a refresh will
+ * repost the data. We don't want this to happen on accident so we redirect
+ * the browse to the stats page with a GET.
+ */
+ chunk_printf(&trash, "%s;st=%s%s%s%s",
+ uri->uri_prefix,
+ ((ctx->st_code > STAT_STATUS_INIT) &&
+ (ctx->st_code < STAT_STATUS_SIZE) &&
+ stat_status_codes[ctx->st_code]) ?
+ stat_status_codes[ctx->st_code] :
+ stat_status_codes[STAT_STATUS_UNKN],
+ (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "",
+ (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "",
+ scope_txt);
+
+ flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_LEN|HTX_SL_F_CLEN|HTX_SL_F_CHNK);
+ sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("303"), ist("See Other"));
+ if (!sl)
+ goto full;
+ sl->info.res.status = 303;
+
+ if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")) ||
+ !htx_add_header(htx, ist("Content-Type"), ist("text/plain")) ||
+ !htx_add_header(htx, ist("Content-Length"), ist("0")) ||
+ !htx_add_header(htx, ist("Location"), ist2(trash.area, trash.data)))
+ goto full;
+
+ if (!htx_add_endof(htx, HTX_BLK_EOH))
+ goto full;
+
+ channel_add_input(&s->res, htx->data);
+ return 1;
+
+full:
+ htx_reset(htx);
+ sc_need_room(sc, 0);
+ return 0;
+}
+
+/* This I/O handler runs as an applet embedded in a stream connector. It is
+ * used to send HTTP stats over a TCP socket. The mechanism is very simple.
+ * appctx->st0 contains the operation in progress (dump, done). The handler
+ * automatically unregisters itself once transfer is complete.
+ */
+static void http_stats_io_handler(struct appctx *appctx)
+{
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct stconn *sc = appctx_sc(appctx);
+ struct stream *s = __sc_strm(sc);
+ struct channel *req = sc_oc(sc);
+ struct channel *res = sc_ic(sc);
+ struct htx *req_htx, *res_htx;
+
+ /* only proxy stats are available via http */
+ ctx->domain = STATS_DOMAIN_PROXY;
+
+ res_htx = htx_from_buf(&res->buf);
+
+ if (unlikely(se_fl_test(appctx->sedesc, (SE_FL_EOS|SE_FL_ERROR|SE_FL_SHR|SE_FL_SHW)))) {
+ appctx->st0 = STAT_HTTP_END;
+ goto out;
+ }
+
+ /* Check if the input buffer is available. */
+ if (!b_size(&res->buf)) {
+ sc_need_room(sc, 0);
+ goto out;
+ }
+
+ /* all states are processed in sequence */
+ if (appctx->st0 == STAT_HTTP_HEAD) {
+ if (stats_send_http_headers(sc, res_htx)) {
+ if (s->txn->meth == HTTP_METH_HEAD)
+ appctx->st0 = STAT_HTTP_DONE;
+ else
+ appctx->st0 = STAT_HTTP_DUMP;
+ }
+ }
+
+ if (appctx->st0 == STAT_HTTP_DUMP) {
+ trash_chunk = b_make(trash.area, res->buf.size, 0, 0);
+ /* adjust buffer size to take htx overhead into account,
+ * make sure to perform this call on an empty buffer
+ */
+ trash_chunk.size = buf_room_for_htx_data(&trash_chunk);
+ if (stats_dump_stat_to_buffer(sc, res_htx))
+ appctx->st0 = STAT_HTTP_DONE;
+ }
+
+ if (appctx->st0 == STAT_HTTP_POST) {
+ if (stats_process_http_post(sc))
+ appctx->st0 = STAT_HTTP_LAST;
+ else if (s->scf->flags & (SC_FL_EOS|SC_FL_ABRT_DONE))
+ appctx->st0 = STAT_HTTP_DONE;
+ }
+
+ if (appctx->st0 == STAT_HTTP_LAST) {
+ if (stats_send_http_redirect(sc, res_htx))
+ appctx->st0 = STAT_HTTP_DONE;
+ }
+
+ if (appctx->st0 == STAT_HTTP_DONE) {
+ /* no more data are expected. If the response buffer is empty,
+ * be sure to add something (EOT block in this case) to have
+ * something to send. It is important to be sure the EOM flags
+ * will be handled by the endpoint.
+ */
+ if (htx_is_empty(res_htx)) {
+ if (!htx_add_endof(res_htx, HTX_BLK_EOT)) {
+ sc_need_room(sc, sizeof(struct htx_blk) + 1);
+ goto out;
+ }
+ channel_add_input(res, 1);
+ }
+ res_htx->flags |= HTX_FL_EOM;
+ se_fl_set(appctx->sedesc, SE_FL_EOI);
+ appctx->st0 = STAT_HTTP_END;
+ }
+
+ if (appctx->st0 == STAT_HTTP_END) {
+ se_fl_set(appctx->sedesc, SE_FL_EOS);
+ applet_will_consume(appctx);
+ }
+
+ out:
+ /* we have left the request in the buffer for the case where we
+ * process a POST, and this automatically re-enables activity on
+ * read. It's better to indicate that we want to stop reading when
+ * we're sending, so that we know there's at most one direction
+ * deciding to wake the applet up. It saves it from looping when
+ * emitting large blocks into small TCP windows.
+ */
+ htx_to_buf(res_htx, &res->buf);
+ if (appctx->st0 == STAT_HTTP_END) {
+ /* eat the whole request */
+ if (co_data(req)) {
+ req_htx = htx_from_buf(&req->buf);
+ co_htx_skip(req, req_htx, co_data(req));
+ htx_to_buf(req_htx, &req->buf);
+ }
+ }
+ else if (co_data(res))
+ applet_wont_consume(appctx);
+}
+
+/* Dump all fields from <info> into <out> using the "show info" format (name: value) */
+static int stats_dump_info_fields(struct buffer *out,
+ const struct field *info,
+ struct show_stat_ctx *ctx)
+{
+ int flags = ctx->flags;
+ int field;
+
+ for (field = 0; field < INF_TOTAL_FIELDS; field++) {
+ if (!field_format(info, field))
+ continue;
+
+ if (!chunk_appendf(out, "%s: ", info_fields[field].name))
+ return 0;
+ if (!stats_emit_raw_data_field(out, &info[field]))
+ return 0;
+ if ((flags & STAT_SHOW_FDESC) && !chunk_appendf(out, ":\"%s\"", info_fields[field].desc))
+ return 0;
+ if (!chunk_strcat(out, "\n"))
+ return 0;
+ }
+ return 1;
+}
+
+/* Dump all fields from <info> into <out> using the "show info typed" format */
+static int stats_dump_typed_info_fields(struct buffer *out,
+ const struct field *info,
+ struct show_stat_ctx *ctx)
+{
+ int flags = ctx->flags;
+ int field;
+
+ for (field = 0; field < INF_TOTAL_FIELDS; field++) {
+ if (!field_format(info, field))
+ continue;
+
+ if (!chunk_appendf(out, "%d.%s.%u:", field, info_fields[field].name, info[INF_PROCESS_NUM].u.u32))
+ return 0;
+ if (!stats_emit_field_tags(out, &info[field], ':'))
+ return 0;
+ if (!stats_emit_typed_data_field(out, &info[field]))
+ return 0;
+ if ((flags & STAT_SHOW_FDESC) && !chunk_appendf(out, ":\"%s\"", info_fields[field].desc))
+ return 0;
+ if (!chunk_strcat(out, "\n"))
+ return 0;
+ }
+ return 1;
+}
+
+/* Fill <info> with HAProxy global info. <info> is preallocated array of length
+ * <len>. The length of the array must be INF_TOTAL_FIELDS. If this length is
+ * less then this value, the function returns 0, otherwise, it returns 1. Some
+ * fields' presence or precision may depend on some of the STAT_* flags present
+ * in <flags>.
+ */
+int stats_fill_info(struct field *info, int len, uint flags)
+{
+ struct buffer *out = get_trash_chunk();
+ uint64_t glob_out_bytes, glob_spl_bytes, glob_out_b32;
+ uint up_sec, up_usec;
+ ullong up;
+ ulong boot;
+ int thr;
+
+#ifdef USE_OPENSSL
+ double ssl_sess_rate = read_freq_ctr_flt(&global.ssl_per_sec);
+ double ssl_key_rate = read_freq_ctr_flt(&global.ssl_fe_keys_per_sec);
+ double ssl_reuse = 0;
+
+ if (ssl_key_rate < ssl_sess_rate)
+ ssl_reuse = 100.0 * (1.0 - ssl_key_rate / ssl_sess_rate);
+#endif
+
+ /* sum certain per-thread totals (mostly byte counts) */
+ glob_out_bytes = glob_spl_bytes = glob_out_b32 = 0;
+ for (thr = 0; thr < global.nbthread; thr++) {
+ glob_out_bytes += HA_ATOMIC_LOAD(&ha_thread_ctx[thr].out_bytes);
+ glob_spl_bytes += HA_ATOMIC_LOAD(&ha_thread_ctx[thr].spliced_out_bytes);
+ glob_out_b32 += read_freq_ctr(&ha_thread_ctx[thr].out_32bps);
+ }
+ glob_out_b32 *= 32; // values are 32-byte units
+
+ up = now_ns - start_time_ns;
+ up_sec = ns_to_sec(up);
+ up_usec = (up / 1000U) % 1000000U;
+
+ boot = tv_ms_remain(&start_date, &ready_date);
+
+ if (len < INF_TOTAL_FIELDS)
+ return 0;
+
+ chunk_reset(out);
+ memset(info, 0, sizeof(*info) * len);
+
+ info[INF_NAME] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, PRODUCT_NAME);
+ info[INF_VERSION] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_version);
+ info[INF_BUILD_INFO] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_version);
+ info[INF_RELEASE_DATE] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_date);
+
+ info[INF_NBTHREAD] = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbthread);
+ info[INF_NBPROC] = mkf_u32(FO_CONFIG|FS_SERVICE, 1);
+ info[INF_PROCESS_NUM] = mkf_u32(FO_KEY, 1);
+ info[INF_PID] = mkf_u32(FO_STATUS, pid);
+
+ info[INF_UPTIME] = mkf_str(FN_DURATION, chunk_newstr(out));
+ chunk_appendf(out, "%ud %uh%02um%02us", up_sec / 86400, (up_sec % 86400) / 3600, (up_sec % 3600) / 60, (up_sec % 60));
+
+ info[INF_UPTIME_SEC] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_DURATION, up_sec + up_usec / 1000000.0) : mkf_u32(FN_DURATION, up_sec);
+ info[INF_START_TIME_SEC] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_DURATION, start_date.tv_sec + start_date.tv_usec / 1000000.0) : mkf_u32(FN_DURATION, start_date.tv_sec);
+ info[INF_MEMMAX_MB] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax);
+ info[INF_MEMMAX_BYTES] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax * 1048576L);
+ info[INF_POOL_ALLOC_MB] = mkf_u32(0, (unsigned)(pool_total_allocated() / 1048576L));
+ info[INF_POOL_ALLOC_BYTES] = mkf_u64(0, pool_total_allocated());
+ info[INF_POOL_USED_MB] = mkf_u32(0, (unsigned)(pool_total_used() / 1048576L));
+ info[INF_POOL_USED_BYTES] = mkf_u64(0, pool_total_used());
+ info[INF_POOL_FAILED] = mkf_u32(FN_COUNTER, pool_total_failures());
+ info[INF_ULIMIT_N] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile);
+ info[INF_MAXSOCK] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock);
+ info[INF_MAXCONN] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn);
+ info[INF_HARD_MAXCONN] = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn);
+ info[INF_CURR_CONN] = mkf_u32(0, actconn);
+ info[INF_CUM_CONN] = mkf_u32(FN_COUNTER, totalconn);
+ info[INF_CUM_REQ] = mkf_u32(FN_COUNTER, global.req_count);
+#ifdef USE_OPENSSL
+ info[INF_MAX_SSL_CONNS] = mkf_u32(FN_MAX, global.maxsslconn);
+ info[INF_CURR_SSL_CONNS] = mkf_u32(0, global.sslconns);
+ info[INF_CUM_SSL_CONNS] = mkf_u32(FN_COUNTER, global.totalsslconns);
+#endif
+ info[INF_MAXPIPES] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes);
+ info[INF_PIPES_USED] = mkf_u32(0, pipes_used);
+ info[INF_PIPES_FREE] = mkf_u32(0, pipes_free);
+ info[INF_CONN_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.conn_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec));
+ info[INF_CONN_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim);
+ info[INF_MAX_CONN_RATE] = mkf_u32(FN_MAX, global.cps_max);
+ info[INF_SESS_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.sess_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec));
+ info[INF_SESS_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim);
+ info[INF_MAX_SESS_RATE] = mkf_u32(FN_RATE, global.sps_max);
+
+#ifdef USE_OPENSSL
+ info[INF_SSL_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_sess_rate) : mkf_u32(FN_RATE, ssl_sess_rate);
+ info[INF_SSL_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim);
+ info[INF_MAX_SSL_RATE] = mkf_u32(FN_MAX, global.ssl_max);
+ info[INF_SSL_FRONTEND_KEY_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_key_rate) : mkf_u32(0, ssl_key_rate);
+ info[INF_SSL_FRONTEND_MAX_KEY_RATE] = mkf_u32(FN_MAX, global.ssl_fe_keys_max);
+ info[INF_SSL_FRONTEND_SESSION_REUSE_PCT] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_reuse) : mkf_u32(0, ssl_reuse);
+ info[INF_SSL_BACKEND_KEY_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.ssl_be_keys_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec));
+ info[INF_SSL_BACKEND_MAX_KEY_RATE] = mkf_u32(FN_MAX, global.ssl_be_keys_max);
+ info[INF_SSL_CACHE_LOOKUPS] = mkf_u32(FN_COUNTER, global.shctx_lookups);
+ info[INF_SSL_CACHE_MISSES] = mkf_u32(FN_COUNTER, global.shctx_misses);
+#endif
+ info[INF_COMPRESS_BPS_IN] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.comp_bps_in)) : mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in));
+ info[INF_COMPRESS_BPS_OUT] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.comp_bps_out)) : mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out));
+ info[INF_COMPRESS_BPS_RATE_LIM] = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim);
+#ifdef USE_ZLIB
+ info[INF_ZLIB_MEM_USAGE] = mkf_u32(0, zlib_used_memory);
+ info[INF_MAX_ZLIB_MEM_USAGE] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem);
+#endif
+ info[INF_TASKS] = mkf_u32(0, total_allocated_tasks());
+ info[INF_RUN_QUEUE] = mkf_u32(0, total_run_queues());
+ info[INF_IDLE_PCT] = mkf_u32(FN_AVG, clock_report_idle());
+ info[INF_NODE] = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.node);
+ if (global.desc)
+ info[INF_DESCRIPTION] = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.desc);
+ info[INF_STOPPING] = mkf_u32(0, stopping);
+ info[INF_JOBS] = mkf_u32(0, jobs);
+ info[INF_UNSTOPPABLE_JOBS] = mkf_u32(0, unstoppable_jobs);
+ info[INF_LISTENERS] = mkf_u32(0, listeners);
+ info[INF_ACTIVE_PEERS] = mkf_u32(0, active_peers);
+ info[INF_CONNECTED_PEERS] = mkf_u32(0, connected_peers);
+ info[INF_DROPPED_LOGS] = mkf_u32(0, dropped_logs);
+ info[INF_BUSY_POLLING] = mkf_u32(0, !!(global.tune.options & GTUNE_BUSY_POLLING));
+ info[INF_FAILED_RESOLUTIONS] = mkf_u32(0, resolv_failed_resolutions);
+ info[INF_TOTAL_BYTES_OUT] = mkf_u64(0, glob_out_bytes);
+ info[INF_TOTAL_SPLICED_BYTES_OUT] = mkf_u64(0, glob_spl_bytes);
+ info[INF_BYTES_OUT_RATE] = mkf_u64(FN_RATE, glob_out_b32);
+ info[INF_DEBUG_COMMANDS_ISSUED] = mkf_u32(0, debug_commands_issued);
+ info[INF_CUM_LOG_MSGS] = mkf_u32(FN_COUNTER, cum_log_messages);
+
+ info[INF_TAINTED] = mkf_str(FO_STATUS, chunk_newstr(out));
+ chunk_appendf(out, "%#x", get_tainted());
+ info[INF_WARNINGS] = mkf_u32(FN_COUNTER, HA_ATOMIC_LOAD(&tot_warnings));
+ info[INF_MAXCONN_REACHED] = mkf_u32(FN_COUNTER, HA_ATOMIC_LOAD(&maxconn_reached));
+ info[INF_BOOTTIME_MS] = mkf_u32(FN_DURATION, boot);
+ info[INF_NICED_TASKS] = mkf_u32(0, total_niced_running_tasks());
+
+ return 1;
+}
+
+/* This function dumps information onto the stream connector's read buffer.
+ * It returns 0 as long as it does not complete, non-zero upon completion.
+ * No state is used.
+ */
+static int stats_dump_info_to_buffer(struct stconn *sc)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ int ret;
+ int current_field;
+
+ if (!stats_fill_info(info, INF_TOTAL_FIELDS, ctx->flags))
+ return 0;
+
+ chunk_reset(&trash_chunk);
+more:
+ current_field = ctx->field;
+
+ if (ctx->flags & STAT_FMT_TYPED)
+ ret = stats_dump_typed_info_fields(&trash_chunk, info, ctx);
+ else if (ctx->flags & STAT_FMT_JSON)
+ ret = stats_dump_json_info_fields(&trash_chunk, info, ctx);
+ else
+ ret = stats_dump_info_fields(&trash_chunk, info, ctx);
+
+ if (applet_putchk(appctx, &trash_chunk) == -1) {
+ /* restore previous field */
+ ctx->field = current_field;
+ return 0;
+ }
+ if (ret && ctx->field) {
+ /* partial dump */
+ goto more;
+ }
+ ctx->field = 0;
+ return 1;
+}
+
+/* This function dumps the schema onto the stream connector's read buffer.
+ * It returns 0 as long as it does not complete, non-zero upon completion.
+ * No state is used.
+ *
+ * Integer values bounded to the range [-(2**53)+1, (2**53)-1] as
+ * per the recommendation for interoperable integers in section 6 of RFC 7159.
+ */
+static void stats_dump_json_schema(struct buffer *out)
+{
+
+ int old_len = out->data;
+
+ chunk_strcat(out,
+ "{"
+ "\"$schema\":\"http://json-schema.org/draft-04/schema#\","
+ "\"oneOf\":["
+ "{"
+ "\"title\":\"Info\","
+ "\"type\":\"array\","
+ "\"items\":{"
+ "\"title\":\"InfoItem\","
+ "\"type\":\"object\","
+ "\"properties\":{"
+ "\"field\":{\"$ref\":\"#/definitions/field\"},"
+ "\"processNum\":{\"$ref\":\"#/definitions/processNum\"},"
+ "\"tags\":{\"$ref\":\"#/definitions/tags\"},"
+ "\"value\":{\"$ref\":\"#/definitions/typedValue\"}"
+ "},"
+ "\"required\":[\"field\",\"processNum\",\"tags\","
+ "\"value\"]"
+ "}"
+ "},"
+ "{"
+ "\"title\":\"Stat\","
+ "\"type\":\"array\","
+ "\"items\":{"
+ "\"title\":\"InfoItem\","
+ "\"type\":\"object\","
+ "\"properties\":{"
+ "\"objType\":{"
+ "\"enum\":[\"Frontend\",\"Backend\",\"Listener\","
+ "\"Server\",\"Unknown\"]"
+ "},"
+ "\"proxyId\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":0"
+ "},"
+ "\"id\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":0"
+ "},"
+ "\"field\":{\"$ref\":\"#/definitions/field\"},"
+ "\"processNum\":{\"$ref\":\"#/definitions/processNum\"},"
+ "\"tags\":{\"$ref\":\"#/definitions/tags\"},"
+ "\"typedValue\":{\"$ref\":\"#/definitions/typedValue\"}"
+ "},"
+ "\"required\":[\"objType\",\"proxyId\",\"id\","
+ "\"field\",\"processNum\",\"tags\","
+ "\"value\"]"
+ "}"
+ "},"
+ "{"
+ "\"title\":\"Error\","
+ "\"type\":\"object\","
+ "\"properties\":{"
+ "\"errorStr\":{"
+ "\"type\":\"string\""
+ "}"
+ "},"
+ "\"required\":[\"errorStr\"]"
+ "}"
+ "],"
+ "\"definitions\":{"
+ "\"field\":{"
+ "\"type\":\"object\","
+ "\"pos\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":0"
+ "},"
+ "\"name\":{"
+ "\"type\":\"string\""
+ "},"
+ "\"required\":[\"pos\",\"name\"]"
+ "},"
+ "\"processNum\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":1"
+ "},"
+ "\"tags\":{"
+ "\"type\":\"object\","
+ "\"origin\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"Metric\",\"Status\",\"Key\","
+ "\"Config\",\"Product\",\"Unknown\"]"
+ "},"
+ "\"nature\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"Gauge\",\"Limit\",\"Min\",\"Max\","
+ "\"Rate\",\"Counter\",\"Duration\","
+ "\"Age\",\"Time\",\"Name\",\"Output\","
+ "\"Avg\", \"Unknown\"]"
+ "},"
+ "\"scope\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"Cluster\",\"Process\",\"Service\","
+ "\"System\",\"Unknown\"]"
+ "},"
+ "\"required\":[\"origin\",\"nature\",\"scope\"]"
+ "},"
+ "\"typedValue\":{"
+ "\"type\":\"object\","
+ "\"oneOf\":["
+ "{\"$ref\":\"#/definitions/typedValue/definitions/s32Value\"},"
+ "{\"$ref\":\"#/definitions/typedValue/definitions/s64Value\"},"
+ "{\"$ref\":\"#/definitions/typedValue/definitions/u32Value\"},"
+ "{\"$ref\":\"#/definitions/typedValue/definitions/u64Value\"},"
+ "{\"$ref\":\"#/definitions/typedValue/definitions/strValue\"}"
+ "],"
+ "\"definitions\":{"
+ "\"s32Value\":{"
+ "\"properties\":{"
+ "\"type\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"s32\"]"
+ "},"
+ "\"value\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":-2147483648,"
+ "\"maximum\":2147483647"
+ "}"
+ "},"
+ "\"required\":[\"type\",\"value\"]"
+ "},"
+ "\"s64Value\":{"
+ "\"properties\":{"
+ "\"type\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"s64\"]"
+ "},"
+ "\"value\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":-9007199254740991,"
+ "\"maximum\":9007199254740991"
+ "}"
+ "},"
+ "\"required\":[\"type\",\"value\"]"
+ "},"
+ "\"u32Value\":{"
+ "\"properties\":{"
+ "\"type\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"u32\"]"
+ "},"
+ "\"value\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":0,"
+ "\"maximum\":4294967295"
+ "}"
+ "},"
+ "\"required\":[\"type\",\"value\"]"
+ "},"
+ "\"u64Value\":{"
+ "\"properties\":{"
+ "\"type\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"u64\"]"
+ "},"
+ "\"value\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":0,"
+ "\"maximum\":9007199254740991"
+ "}"
+ "},"
+ "\"required\":[\"type\",\"value\"]"
+ "},"
+ "\"strValue\":{"
+ "\"properties\":{"
+ "\"type\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"str\"]"
+ "},"
+ "\"value\":{\"type\":\"string\"}"
+ "},"
+ "\"required\":[\"type\",\"value\"]"
+ "},"
+ "\"unknownValue\":{"
+ "\"properties\":{"
+ "\"type\":{"
+ "\"type\":\"integer\","
+ "\"minimum\":0"
+ "},"
+ "\"value\":{"
+ "\"type\":\"string\","
+ "\"enum\":[\"unknown\"]"
+ "}"
+ "},"
+ "\"required\":[\"type\",\"value\"]"
+ "}"
+ "}"
+ "}"
+ "}"
+ "}");
+
+ if (old_len == out->data) {
+ chunk_reset(out);
+ chunk_appendf(out,
+ "{\"errorStr\":\"output buffer too short\"}");
+ }
+ chunk_appendf(out, "\n");
+}
+
+/* This function dumps the schema onto the stream connector's read buffer.
+ * It returns 0 as long as it does not complete, non-zero upon completion.
+ * No state is used.
+ */
+static int stats_dump_json_schema_to_buffer(struct appctx *appctx)
+{
+
+ chunk_reset(&trash_chunk);
+
+ stats_dump_json_schema(&trash_chunk);
+
+ if (applet_putchk(appctx, &trash_chunk) == -1)
+ return 0;
+
+ return 1;
+}
+
+static int cli_parse_clear_counters(char **args, char *payload, struct appctx *appctx, void *private)
+{
+ struct proxy *px;
+ struct server *sv;
+ struct listener *li;
+ struct stats_module *mod;
+ int clrall = 0;
+
+ if (strcmp(args[2], "all") == 0)
+ clrall = 1;
+
+ /* check permissions */
+ if (!cli_has_level(appctx, ACCESS_LVL_OPER) ||
+ (clrall && !cli_has_level(appctx, ACCESS_LVL_ADMIN)))
+ return 1;
+
+ for (px = proxies_list; px; px = px->next) {
+ if (clrall) {
+ memset(&px->be_counters, 0, sizeof(px->be_counters));
+ memset(&px->fe_counters, 0, sizeof(px->fe_counters));
+ }
+ else {
+ px->be_counters.conn_max = 0;
+ px->be_counters.p.http.rps_max = 0;
+ px->be_counters.sps_max = 0;
+ px->be_counters.cps_max = 0;
+ px->be_counters.nbpend_max = 0;
+ px->be_counters.qtime_max = 0;
+ px->be_counters.ctime_max = 0;
+ px->be_counters.dtime_max = 0;
+ px->be_counters.ttime_max = 0;
+
+ px->fe_counters.conn_max = 0;
+ px->fe_counters.p.http.rps_max = 0;
+ px->fe_counters.sps_max = 0;
+ px->fe_counters.cps_max = 0;
+ }
+
+ for (sv = px->srv; sv; sv = sv->next)
+ if (clrall)
+ memset(&sv->counters, 0, sizeof(sv->counters));
+ else {
+ sv->counters.cur_sess_max = 0;
+ sv->counters.nbpend_max = 0;
+ sv->counters.sps_max = 0;
+ sv->counters.qtime_max = 0;
+ sv->counters.ctime_max = 0;
+ sv->counters.dtime_max = 0;
+ sv->counters.ttime_max = 0;
+ }
+
+ list_for_each_entry(li, &px->conf.listeners, by_fe)
+ if (li->counters) {
+ if (clrall)
+ memset(li->counters, 0, sizeof(*li->counters));
+ else
+ li->counters->conn_max = 0;
+ }
+ }
+
+ global.cps_max = 0;
+ global.sps_max = 0;
+ global.ssl_max = 0;
+ global.ssl_fe_keys_max = 0;
+ global.ssl_be_keys_max = 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ if (!mod->clearable && !clrall)
+ continue;
+
+ for (px = proxies_list; px; px = px->next) {
+ enum stats_domain_px_cap mod_cap = stats_px_get_cap(mod->domain_flags);
+
+ if (px->cap & PR_CAP_FE && mod_cap & STATS_PX_CAP_FE) {
+ EXTRA_COUNTERS_INIT(px->extra_counters_fe,
+ mod,
+ mod->counters,
+ mod->counters_size);
+ }
+
+ if (px->cap & PR_CAP_BE && mod_cap & STATS_PX_CAP_BE) {
+ EXTRA_COUNTERS_INIT(px->extra_counters_be,
+ mod,
+ mod->counters,
+ mod->counters_size);
+ }
+
+ if (mod_cap & STATS_PX_CAP_SRV) {
+ for (sv = px->srv; sv; sv = sv->next) {
+ EXTRA_COUNTERS_INIT(sv->extra_counters,
+ mod,
+ mod->counters,
+ mod->counters_size);
+ }
+ }
+
+ if (mod_cap & STATS_PX_CAP_LI) {
+ list_for_each_entry(li, &px->conf.listeners, by_fe) {
+ EXTRA_COUNTERS_INIT(li->extra_counters,
+ mod,
+ mod->counters,
+ mod->counters_size);
+ }
+ }
+ }
+ }
+
+ resolv_stats_clear_counters(clrall, &stats_module_list[STATS_DOMAIN_RESOLVERS]);
+
+ memset(activity, 0, sizeof(activity));
+ return 1;
+}
+
+
+static int cli_parse_show_info(char **args, char *payload, struct appctx *appctx, void *private)
+{
+ struct show_stat_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
+ int arg = 2;
+
+ ctx->scope_str = 0;
+ ctx->scope_len = 0;
+ ctx->flags = 0;
+ ctx->field = 0; /* explicit default value */
+
+ while (*args[arg]) {
+ if (strcmp(args[arg], "typed") == 0)
+ ctx->flags = (ctx->flags & ~STAT_FMT_MASK) | STAT_FMT_TYPED;
+ else if (strcmp(args[arg], "json") == 0)
+ ctx->flags = (ctx->flags & ~STAT_FMT_MASK) | STAT_FMT_JSON;
+ else if (strcmp(args[arg], "desc") == 0)
+ ctx->flags |= STAT_SHOW_FDESC;
+ else if (strcmp(args[arg], "float") == 0)
+ ctx->flags |= STAT_USE_FLOAT;
+ arg++;
+ }
+ return 0;
+}
+
+
+static int cli_parse_show_stat(char **args, char *payload, struct appctx *appctx, void *private)
+{
+ struct show_stat_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
+ int arg = 2;
+
+ ctx->scope_str = 0;
+ ctx->scope_len = 0;
+ ctx->http_px = NULL; // not under http context
+ ctx->flags = STAT_SHNODE | STAT_SHDESC;
+
+ if ((strm_li(appctx_strm(appctx))->bind_conf->level & ACCESS_LVL_MASK) >= ACCESS_LVL_OPER)
+ ctx->flags |= STAT_SHLGNDS;
+
+ /* proxy is the default domain */
+ ctx->domain = STATS_DOMAIN_PROXY;
+ if (strcmp(args[arg], "domain") == 0) {
+ ++args;
+
+ if (strcmp(args[arg], "proxy") == 0) {
+ ++args;
+ } else if (strcmp(args[arg], "resolvers") == 0) {
+ ctx->domain = STATS_DOMAIN_RESOLVERS;
+ ++args;
+ } else {
+ return cli_err(appctx, "Invalid statistics domain.\n");
+ }
+ }
+
+ if (ctx->domain == STATS_DOMAIN_PROXY
+ && *args[arg] && *args[arg+1] && *args[arg+2]) {
+ struct proxy *px;
+
+ px = proxy_find_by_name(args[arg], 0, 0);
+ if (px)
+ ctx->iid = px->uuid;
+ else
+ ctx->iid = atoi(args[arg]);
+
+ if (!ctx->iid)
+ return cli_err(appctx, "No such proxy.\n");
+
+ ctx->flags |= STAT_BOUND;
+ ctx->type = atoi(args[arg+1]);
+ ctx->sid = atoi(args[arg+2]);
+ arg += 3;
+ }
+
+ while (*args[arg]) {
+ if (strcmp(args[arg], "typed") == 0)
+ ctx->flags = (ctx->flags & ~STAT_FMT_MASK) | STAT_FMT_TYPED;
+ else if (strcmp(args[arg], "json") == 0)
+ ctx->flags = (ctx->flags & ~STAT_FMT_MASK) | STAT_FMT_JSON;
+ else if (strcmp(args[arg], "desc") == 0)
+ ctx->flags |= STAT_SHOW_FDESC;
+ else if (strcmp(args[arg], "no-maint") == 0)
+ ctx->flags |= STAT_HIDE_MAINT;
+ else if (strcmp(args[arg], "up") == 0)
+ ctx->flags |= STAT_HIDE_DOWN;
+ arg++;
+ }
+
+ return 0;
+}
+
+static int cli_io_handler_dump_info(struct appctx *appctx)
+{
+ trash_chunk = b_make(trash.area, trash.size, 0, 0);
+ return stats_dump_info_to_buffer(appctx_sc(appctx));
+}
+
+/* This I/O handler runs as an applet embedded in a stream connector. It is
+ * used to send raw stats over a socket.
+ */
+static int cli_io_handler_dump_stat(struct appctx *appctx)
+{
+ trash_chunk = b_make(trash.area, trash.size, 0, 0);
+ return stats_dump_stat_to_buffer(appctx_sc(appctx), NULL);
+}
+
+static int cli_io_handler_dump_json_schema(struct appctx *appctx)
+{
+ trash_chunk = b_make(trash.area, trash.size, 0, 0);
+ return stats_dump_json_schema_to_buffer(appctx);
+}
+
+int stats_allocate_proxy_counters_internal(struct extra_counters **counters,
+ int type, int px_cap)
+{
+ struct stats_module *mod;
+
+ EXTRA_COUNTERS_REGISTER(counters, type, alloc_failed);
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ if (!(stats_px_get_cap(mod->domain_flags) & px_cap))
+ continue;
+
+ EXTRA_COUNTERS_ADD(mod, *counters, mod->counters, mod->counters_size);
+ }
+
+ EXTRA_COUNTERS_ALLOC(*counters, alloc_failed);
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ if (!(stats_px_get_cap(mod->domain_flags) & px_cap))
+ continue;
+
+ EXTRA_COUNTERS_INIT(*counters, mod, mod->counters, mod->counters_size);
+ }
+
+ return 1;
+
+ alloc_failed:
+ return 0;
+}
+
+/* Initialize and allocate all extra counters for a proxy and its attached
+ * servers/listeners with all already registered stats module
+ */
+int stats_allocate_proxy_counters(struct proxy *px)
+{
+ struct server *sv;
+ struct listener *li;
+
+ if (px->cap & PR_CAP_FE) {
+ if (!stats_allocate_proxy_counters_internal(&px->extra_counters_fe,
+ COUNTERS_FE,
+ STATS_PX_CAP_FE)) {
+ return 0;
+ }
+ }
+
+ if (px->cap & PR_CAP_BE) {
+ if (!stats_allocate_proxy_counters_internal(&px->extra_counters_be,
+ COUNTERS_BE,
+ STATS_PX_CAP_BE)) {
+ return 0;
+ }
+ }
+
+ for (sv = px->srv; sv; sv = sv->next) {
+ if (!stats_allocate_proxy_counters_internal(&sv->extra_counters,
+ COUNTERS_SV,
+ STATS_PX_CAP_SRV)) {
+ return 0;
+ }
+ }
+
+ list_for_each_entry(li, &px->conf.listeners, by_fe) {
+ if (!stats_allocate_proxy_counters_internal(&li->extra_counters,
+ COUNTERS_LI,
+ STATS_PX_CAP_LI)) {
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+void stats_register_module(struct stats_module *m)
+{
+ const uint8_t domain = stats_get_domain(m->domain_flags);
+
+ LIST_APPEND(&stats_module_list[domain], &m->list);
+ stat_count[domain] += m->stats_count;
+}
+
+static int allocate_stats_px_postcheck(void)
+{
+ struct stats_module *mod;
+ size_t i = ST_F_TOTAL_FIELDS;
+ int err_code = 0;
+ struct proxy *px;
+
+ stat_count[STATS_DOMAIN_PROXY] += ST_F_TOTAL_FIELDS;
+
+ stat_f[STATS_DOMAIN_PROXY] = malloc(stat_count[STATS_DOMAIN_PROXY] * sizeof(struct name_desc));
+ if (!stat_f[STATS_DOMAIN_PROXY]) {
+ ha_alert("stats: cannot allocate all fields for proxy statistics\n");
+ err_code |= ERR_ALERT | ERR_FATAL;
+ return err_code;
+ }
+
+ memcpy(stat_f[STATS_DOMAIN_PROXY], stat_fields,
+ ST_F_TOTAL_FIELDS * sizeof(struct name_desc));
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ memcpy(stat_f[STATS_DOMAIN_PROXY] + i,
+ mod->stats,
+ mod->stats_count * sizeof(struct name_desc));
+ i += mod->stats_count;
+ }
+
+ for (px = proxies_list; px; px = px->next) {
+ if (!stats_allocate_proxy_counters(px)) {
+ ha_alert("stats: cannot allocate all counters for proxy statistics\n");
+ err_code |= ERR_ALERT | ERR_FATAL;
+ return err_code;
+ }
+ }
+
+ /* wait per-thread alloc to perform corresponding stat_l allocation */
+
+ return err_code;
+}
+
+REGISTER_CONFIG_POSTPARSER("allocate-stats-px", allocate_stats_px_postcheck);
+
+static int allocate_stats_rslv_postcheck(void)
+{
+ struct stats_module *mod;
+ size_t i = 0;
+ int err_code = 0;
+
+ stat_f[STATS_DOMAIN_RESOLVERS] = malloc(stat_count[STATS_DOMAIN_RESOLVERS] * sizeof(struct name_desc));
+ if (!stat_f[STATS_DOMAIN_RESOLVERS]) {
+ ha_alert("stats: cannot allocate all fields for resolver statistics\n");
+ err_code |= ERR_ALERT | ERR_FATAL;
+ return err_code;
+ }
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_RESOLVERS], list) {
+ memcpy(stat_f[STATS_DOMAIN_RESOLVERS] + i,
+ mod->stats,
+ mod->stats_count * sizeof(struct name_desc));
+ i += mod->stats_count;
+ }
+
+ if (!resolv_allocate_counters(&stats_module_list[STATS_DOMAIN_RESOLVERS])) {
+ ha_alert("stats: cannot allocate all counters for resolver statistics\n");
+ err_code |= ERR_ALERT | ERR_FATAL;
+ return err_code;
+ }
+
+ /* wait per-thread alloc to perform corresponding stat_l allocation */
+
+ return err_code;
+}
+
+REGISTER_CONFIG_POSTPARSER("allocate-stats-resolver", allocate_stats_rslv_postcheck);
+
+static int allocate_stat_lines_per_thread(void)
+{
+ int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_RESOLVERS }, i;
+
+ for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
+ const int domain = domains[i];
+
+ stat_l[domain] = malloc(stat_count[domain] * sizeof(struct field));
+ if (!stat_l[domain])
+ return 0;
+ }
+ return 1;
+}
+
+REGISTER_PER_THREAD_ALLOC(allocate_stat_lines_per_thread);
+
+static int allocate_trash_counters(void)
+{
+ struct stats_module *mod;
+ int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_RESOLVERS }, i;
+ size_t max_counters_size = 0;
+
+ /* calculate the greatest counters used by any stats modules */
+ for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
+ list_for_each_entry(mod, &stats_module_list[domains[i]], list) {
+ max_counters_size = mod->counters_size > max_counters_size ?
+ mod->counters_size : max_counters_size;
+ }
+ }
+
+ /* allocate the trash with the size of the greatest counters */
+ if (max_counters_size) {
+ trash_counters = malloc(max_counters_size);
+ if (!trash_counters) {
+ ha_alert("stats: cannot allocate trash counters for statistics\n");
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+REGISTER_PER_THREAD_ALLOC(allocate_trash_counters);
+
+static void deinit_stat_lines_per_thread(void)
+{
+ int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_RESOLVERS }, i;
+
+ for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
+ const int domain = domains[i];
+
+ ha_free(&stat_l[domain]);
+ }
+}
+
+
+REGISTER_PER_THREAD_FREE(deinit_stat_lines_per_thread);
+
+static void deinit_stats(void)
+{
+ int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_RESOLVERS }, i;
+
+ for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
+ const int domain = domains[i];
+
+ if (stat_f[domain])
+ free(stat_f[domain]);
+ }
+}
+
+REGISTER_POST_DEINIT(deinit_stats);
+
+static void free_trash_counters(void)
+{
+ if (trash_counters)
+ free(trash_counters);
+}
+
+REGISTER_PER_THREAD_FREE(free_trash_counters);
+
+/* register cli keywords */
+static struct cli_kw_list cli_kws = {{ },{
+ { { "clear", "counters", NULL }, "clear counters [all] : clear max statistics counters (or all counters)", cli_parse_clear_counters, NULL, NULL },
+ { { "show", "info", NULL }, "show info [desc|json|typed|float]* : report information about the running process", cli_parse_show_info, cli_io_handler_dump_info, NULL },
+ { { "show", "stat", NULL }, "show stat [desc|json|no-maint|typed|up]*: report counters for each proxy and server", cli_parse_show_stat, cli_io_handler_dump_stat, NULL },
+ { { "show", "schema", "json", NULL }, "show schema json : report schema used for stats", NULL, cli_io_handler_dump_json_schema, NULL },
+ {{},}
+}};
+
+INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
+
+struct applet http_stats_applet = {
+ .obj_type = OBJ_TYPE_APPLET,
+ .name = "<STATS>", /* used for logging */
+ .fct = http_stats_io_handler,
+ .release = NULL,
+};
+
+/*
+ * Local variables:
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * End:
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 10:15:50 +0000