/* * Functions dedicated to statistics output and the stats socket * * Copyright 2000-2012 Willy Tarreau * Copyright 2007-2009 Krzysztof Piotr Oledzki * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* 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 into 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 into 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 into 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 into 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 into using the HTML format. A column is * reserved for the checkbox is STAT_ADMIN is set in . Some extra info * are provided if STAT_SHLGNDS is present in . The statistics from * extra modules are displayed at the end of the lines if STAT_SHMODULES is * present in . */ 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 */ ""); if (flags & STAT_ADMIN) { /* Column sub-heading for Enable or Disable server */ chunk_appendf(out, ""); } chunk_appendf(out, "" "" "Frontend" "" "", field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME)); chunk_appendf(out, /* sessions rate : current */ "%s
" "" "" "", 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, "", U2H(stats[ST_F_REQ_RATE].u.u32)); chunk_appendf(out, "
Current connection rate:%s/s
Current session rate:%s/s
Current request rate:%s/s
" /* sessions rate : max */ "%s
" "" "" "", 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, "", U2H(stats[ST_F_REQ_RATE_MAX].u.u32)); chunk_appendf(out, "
Max connection rate:%s/s
Max session rate:%s/s
Max request rate:%s/s
" /* sessions rate : limit */ "%s", LIM2A(stats[ST_F_RATE_LIM].u.u32, "-")); chunk_appendf(out, /* sessions: current, max, limit, total */ "%s%s%s" "%s
" "" "" "", 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, "" "" "" "" "" "" "" "" "" "", 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, "" "" "" "" "" "" "" "", 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, "" "" "" "" "" "", 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, "
Cum. connections:%s
Cum. sessions:%s
- HTTP/1 sessions:%s
- HTTP/2 sessions:%s
- HTTP/3 sessions:%s
- other sessions:%s
Cum. HTTP requests:%s
- HTTP/1 requests:%s
- HTTP/2 requests:%s
- HTTP/3 requests:%s
- other requests:%s
- HTTP 1xx responses:%s
- HTTP 2xx responses:%s
  Compressed 2xx:%s(%d%%)
- HTTP 3xx responses:%s
- HTTP 4xx responses:%s
- HTTP 5xx responses:%s
- other responses:%s
Intercepted requests:%s
Cache lookups:%s
Cache hits:%s(%d%%)
Failed hdr rewrites:%s
Internal errors:%s
" /* sessions: lbtot, lastsess */ "" /* bytes : in */ "%s" "", U2H(stats[ST_F_BIN].u.u64)); chunk_appendf(out, /* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */ "%s%s
" "" "" "" "" "" "
Response bytes in:%s
Compression in:%s
Compression out:%s(%d%%)
Compression bypass:%s
Total bytes saved:%s(%d%%)
%s", (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "":"", 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) ? "":""); chunk_appendf(out, /* denied: req, resp */ "%s%s" /* errors : request, connect, response */ "%s" /* warnings: retries, redispatches */ "" /* server status : reflect frontend status */ "%s" /* rest of server: nothing */ "" "", 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, ""); if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE) { chunk_appendf(out, "%s
", mod->name); for (j = 0; j < mod->stats_count; ++j) { chunk_appendf(out, "", mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i])); ++i; } chunk_appendf(out, "
%s%s
"); } else { i += mod->stats_count; } chunk_appendf(out, ""); } } chunk_appendf(out, ""); } else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO) { chunk_appendf(out, ""); if (flags & STAT_ADMIN) { /* Column sub-heading for Enable or Disable server */ chunk_appendf(out, ""); } chunk_appendf(out, /* frontend name, listener name */ "%s" "%s" "", field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), (flags & STAT_SHLGNDS)?"":"", 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, "
"); 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
", stats[ST_F_SID].u.u32); } chunk_appendf(out, /* queue */ "%s" /* sessions rate: current, max, limit */ " " /* sessions: current, max, limit, total, lbtot, lastsess */ "%s%s%s" "%s  " /* bytes: in, out */ "%s%s" "", (flags & STAT_SHLGNDS)?"":"", 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 */ "%s%s" /* errors: request, connect, response */ "%s" /* warnings: retries, redispatches */ "" /* server status: reflect listener status */ "%s" /* rest of server: nothing */ "" "", 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, ""); if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI) { chunk_appendf(out, "%s
", mod->name); for (j = 0; j < mod->stats_count; ++j) { chunk_appendf(out, "", mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i])); ++i; } chunk_appendf(out, "
%s%s
"); } else { i += mod->stats_count; } chunk_appendf(out, ""); } } chunk_appendf(out, ""); } 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, ""); else chunk_appendf(out, "", (stats[ST_F_BCK].u.u32) ? "backup" : "active", style); if (flags & STAT_ADMIN) chunk_appendf(out, "", field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME)); chunk_appendf(out, "%s" "%s" "", field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), (flags & STAT_SHLGNDS) ? "" : "", 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, "
"); 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, "
"); } chunk_appendf(out, /* queue : current, max, limit */ "%s%s%s%s" /* sessions rate : current, max, limit */ "%s%s" "", (flags & STAT_SHLGNDS) ? "" : "", 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 */ "%s
" "" "" "" "" "" "" "" "" "" "
Current active connections:%s
Current used connections:%s
Current idle connections:%s
- unsafe:%s
- safe:%s
Estimated need of connections:%s
Active connections limit:%s
Idle connections limit:%s
" "%s%s" "%s
" "" "", 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, "" "" "" "" "" "" "" "" "" "" "" "", 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, ""); chunk_appendf(out, "", U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32)); chunk_appendf(out, "", 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, "", U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32)); chunk_appendf(out, "", U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32)); chunk_appendf(out, "
Cum. sessions:%s
New connections:%s
Reused connections:%s(%d%%)
Cum. HTTP requests:%s
- HTTP 1xx responses:%s(%d%%)
- HTTP 2xx responses:%s(%d%%)
- HTTP 3xx responses:%s(%d%%)
- HTTP 4xx responses:%s(%d%%)
- HTTP 5xx responses:%s(%d%%)
- other responses:%s(%d%%)
Failed hdr rewrites:%s
Internal error:%s
Max / Avg over last 1024 success. conn.
- Queue time:%s / %sms
- Connect time:%s / %sms
- Responses time:%s / %sms
- Total time:%s / %sms
" /* sessions: lbtot, last */ "%s%s", U2H(stats[ST_F_LBTOT].u.u64), human_time(stats[ST_F_LASTSESS].u.s32, 1)); chunk_appendf(out, /* bytes : in, out */ "%s%s" /* denied: req, resp */ "%s" /* errors : request, connect */ "%s" /* errors : response */ "%s
Connection resets during transfers: %lld client, %lld server
" /* warnings: retries, redispatches */ "%lld%lld" "", 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, ""); /* 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, "no check"); } 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, " ↑"); } 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, " ↓"); } 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, " %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, "
%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, "
"); } else if (stats[ST_F_CHECK_STATUS].type) { chunk_appendf(out, " %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, "
%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, "
"); } else chunk_appendf(out, ""); chunk_appendf(out, /* weight / uweight */ "%d/%d" /* act, bck */ "%s%s" "", 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, "resolution"); } else if (stats[ST_F_CHKFAIL].type) { chunk_appendf(out, "%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, "
Failed Health Checks%s
" "%lld%s" "", 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, "via %s", field_str(stats, ST_F_TRACKED), field_str(stats, ST_F_TRACKED)); } else chunk_appendf(out, ""); /* throttle */ if (stats[ST_F_THROTTLE].type) chunk_appendf(out, "%d %%\n", stats[ST_F_THROTTLE].u.u32); else chunk_appendf(out, "-"); if (flags & STAT_SHMODULES) { list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) { chunk_appendf(out, ""); if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV) { chunk_appendf(out, "%s
", mod->name); for (j = 0; j < mod->stats_count; ++j) { chunk_appendf(out, "", mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i])); ++i; } chunk_appendf(out, "
%s%s
"); } else { i += mod->stats_count; } chunk_appendf(out, ""); } } chunk_appendf(out, "\n"); } else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE) { chunk_appendf(out, ""); if (flags & STAT_ADMIN) { /* Column sub-heading for Enable or Disable server */ chunk_appendf(out, ""); } chunk_appendf(out, "" /* name */ "%s" "Backend" "", (flags & STAT_SHLGNDS)?"":"", field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME)); if (flags & STAT_SHLGNDS) { /* balancing */ chunk_appendf(out, "
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, "
"); } chunk_appendf(out, "%s" /* queue : current, max */ "%s%s" /* sessions rate : current, max, limit */ "%s%s" "", (flags & STAT_SHLGNDS)?"":"", 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 */ "%s%s%s" "%s
" "" "", 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, "" "" "" "" "" "" "" "" "" "" "" "" "" "" "", 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, ""); chunk_appendf(out, "", U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32)); chunk_appendf(out, "", 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, "", U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32)); chunk_appendf(out, "", U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32)); chunk_appendf(out, "
Cum. sessions:%s
New connections:%s
Reused connections:%s(%d%%)
Cum. HTTP requests:%s
- HTTP 1xx responses:%s
- HTTP 2xx responses:%s
  Compressed 2xx:%s(%d%%)
- HTTP 3xx responses:%s
- HTTP 4xx responses:%s
- HTTP 5xx responses:%s
- other responses:%s
Cache lookups:%s
Cache hits:%s(%d%%)
Failed hdr rewrites:%s
Internal errors:%s
Max / Avg over last 1024 success. conn.
- Queue time:%s / %sms
- Connect time:%s / %sms
- Responses time:%s / %sms
- Total time:%s / %sms
" /* sessions: lbtot, last */ "%s%s" /* bytes: in */ "%s" "", 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 */ "%s%s
" "" "" "" "" "" "
Response bytes in:%s
Compression in:%s
Compression out:%s(%d%%)
Compression bypass:%s
Total bytes saved:%s(%d%%)
%s", (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "":"", 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) ? "":""); chunk_appendf(out, /* denied: req, resp */ "%s%s" /* errors : request, connect */ "%s" /* errors : response */ "%s
Connection resets during transfers: %lld client, %lld server
" /* warnings: retries, redispatches */ "%lld%lld" /* 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. */ "%s %s %d/%d" "%d%d" "", 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) : "DOWN", 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 */ " %d" "%s" "", stats[ST_F_CHKDOWN].u.u32, stats[ST_F_DOWNTIME].type ? human_time(stats[ST_F_DOWNTIME].u.u32, 1) : " "); if (flags & STAT_SHMODULES) { list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) { chunk_appendf(out, ""); if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE) { chunk_appendf(out, "%s
", mod->name); for (j = 0; j < mod->stats_count; ++j) { chunk_appendf(out, "", mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i])); ++i; } chunk_appendf(out, "
%s%s
"); } else { i += mod->stats_count; } chunk_appendf(out, ""); } } chunk_appendf(out, ""); } 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 with the frontend statistics. is preallocated array of * length . If 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 * and uses the state from stream connector . 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 with the listener statistics. is preallocated array of * length . 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. 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 and proxy to the local trash buffer and * uses the state from stream connector . 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 with the backend statistics. is preallocated array of * length . If 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. 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 and proxy to the local trash vbuffer and * uses the state from stream connector , and server 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 with the backend statistics. is preallocated array of * length . If 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. 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 to the local trash buffer for and uses the * state from stream interface . 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 to the local trash buffer for and * uses the state from stream connector . 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, "
"); } /* print a new table */ chunk_appendf(&trash_chunk, "\n" "" "" "" "\n" "
"); chunk_appendf(&trash_chunk, "%s" "%s", px->id, (ctx->flags & STAT_SHLGNDS) ? "":"", px->id, px->id); if (ctx->flags & STAT_SHLGNDS) { /* cap, mode, id */ chunk_appendf(&trash_chunk, "
cap: %s, mode: %s, id: %d", proxy_cap_str(px->cap), proxy_mode_str(px->mode), px->uuid); chunk_appendf(&trash_chunk, "
"); } chunk_appendf(&trash_chunk, "%s		%s
\n" "\n" "", (ctx->flags & STAT_SHLGNDS) ? "":"", 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, "", px->id, px->id); else chunk_appendf(&trash_chunk, ""); } chunk_appendf(&trash_chunk, "" "" "" "" "" ""); 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, "", stats_module_len); } chunk_appendf(&trash_chunk, "\n" "" "" "" "" "" "" "" "" "\n"); if (ctx->flags & STAT_SHMODULES) { list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) { chunk_appendf(&trash_chunk, "", mod->name); } } chunk_appendf(&trash_chunk, ""); } /* Dumps the HTML table trailer for proxy to the local trash buffer for and * uses the state from stream connector . 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, "
QueueSession rateSessionsBytesDeniedErrorsWarningsServerExtra modules
CurMaxLimitCurMaxLimitCurMaxLimitTotalLbTotLastInOutReqRespReqConnRespRetrRedisStatusLastChkWghtActBckChkDwnDwntmeThrtle%s
"); 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 : " "" "" " " "
", px->uuid); } chunk_appendf(&trash_chunk, "

\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, "\n" "Statistics Report for " PRODUCT_NAME "%s%s\n" "\n" "\n" "\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 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, "

" PRODUCT_NAME "%s

\n" "

Statistics Report for pid %d%s%s%s%s

\n" "
\n" "

> General process information

\n" "" "" "" "
\n" "

pid = %d (process #%d, nbproc = %d, nbthread = %d)
\n" "uptime = %dd %dh%02dm%02ds; warnings = %u
\n" "system limits: memmax = %s%s; ulimit-n = %d
\n" "maxsock = %d; maxconn = %d; reached = %llu; maxpipes = %d
\n" "current conns = %d; current pipes = %d/%d; conn rate = %d/sec; bit rate = %.3f %cbps
\n" "Running tasks: %d/%d (%d niced); idle = %d %%
\n" "

\n" "\n" "" "" "\n" "" "" "\n" "" "" "\n" "" "" "\n" "" "\n" "" "
 active UP  backup UP
active UP, going down backup UP, going down
active DOWN, going up backup DOWN, going up
active or backup DOWN  not checked
active or backup DOWN for maintenance (MAINT)  
active or backup SOFT STOPPED for maintenance  
\n" "Note: \"NOLB\"/\"DRAIN\" = UP with load-balancing disabled." "		" "Display option:
    " "", (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, "
  • Scope :
    \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, "
  • Show all servers
    \n", uri->uri_prefix, "", (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "", scope_txt); else chunk_appendf(&trash_chunk, "
  • Hide 'DOWN' servers
    \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, "
  • Enable refresh
    \n", uri->uri_prefix, (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "", "", scope_txt); else chunk_appendf(&trash_chunk, "
  • Disable refresh
    \n", uri->uri_prefix, (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "", ";norefresh", scope_txt); } chunk_appendf(&trash_chunk, "
  • Refresh now
    \n", uri->uri_prefix, (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "", (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "", scope_txt); chunk_appendf(&trash_chunk, "
  • CSV export
    \n", uri->uri_prefix, (uri->refresh > 0) ? ";norefresh" : "", scope_txt); chunk_appendf(&trash_chunk, "
  • JSON export (schema)
    \n", uri->uri_prefix, (uri->refresh > 0) ? ";norefresh" : "", scope_txt, uri->uri_prefix); chunk_appendf(&trash_chunk, "
" "External resources:" "
\n" "" ); if (ctx->st_code) { switch (ctx->st_code) { case STAT_STATUS_DONE: chunk_appendf(&trash_chunk, "

" "[X] " "Action processed successfully." "
\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, "

" "[X] " "Nothing has changed." "
\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, "

" "[X] " "Action partially processed.
" "Some server names are probably unknown or ambiguous (duplicated names in the backend)." "
\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, "

" "[X] " "Action not processed because of invalid parameters." "
    " "
  • The action is maybe unknown.
    • " "
  • Invalid key parameter (empty or too long).
    • " "
  • The backend name is probably unknown or ambiguous (duplicated names).
    • " "
  • Some server names are probably unknown or ambiguous (duplicated names in the backend).
    • " "
" "
\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, "

" "[X] " "Action not processed : the buffer couldn't store all the data.
" "You should retry with less servers at a time." "
\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, "

" "[X] " "Action denied." "
\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, "

" "[X] " "Invalid requests (unsupported method or chunked encoded request)." "
\n", uri->uri_prefix, (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "", (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "", scope_txt); break; default: chunk_appendf(&trash_chunk, "

" "[X] " "Unexpected result." "
\n", uri->uri_prefix, (ctx->flags & STAT_HIDE_DOWN) ? ";up" : "", (ctx->flags & STAT_NO_REFRESH) ? ";norefresh" : "", scope_txt); } chunk_appendf(&trash_chunk, "

\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, "\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 as a pointer to the current proxy and 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 into 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 into 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 with HAProxy global info. is preallocated array of length * . 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 . */ 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 = "", /* used for logging */ .fct = http_stats_io_handler, .release = NULL, }; /* * Local variables: * c-indent-level: 8 * c-basic-offset: 8 * End: */