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-rw-r--r--src/stats-proxy.c1686
1 files changed, 1686 insertions, 0 deletions
diff --git a/src/stats-proxy.c b/src/stats-proxy.c
new file mode 100644
index 0000000..a158d87
--- /dev/null
+++ b/src/stats-proxy.c
@@ -0,0 +1,1686 @@
+#include <haproxy/stats-proxy.h>
+
+#include <errno.h>
+#include <string.h>
+
+#include <haproxy/api.h>
+#include <haproxy/backend.h>
+#include <haproxy/check.h>
+#include <haproxy/chunk.h>
+#include <haproxy/freq_ctr.h>
+#include <haproxy/list.h>
+#include <haproxy/listener.h>
+#include <haproxy/obj_type.h>
+#include <haproxy/proxy.h>
+#include <haproxy/stats.h>
+#include <haproxy/stats-html.h>
+#include <haproxy/server.h>
+#include <haproxy/stconn.h>
+#include <haproxy/time.h>
+#include <haproxy/tools.h>
+
+/* Define a new metric for both frontend and backend sides. */
+#define ME_NEW_PX(name_f, nature, format, offset_f, cap_f, desc_f) \
+ { .name = (name_f), .desc = (desc_f), .type = (nature)|(format), \
+ .metric.offset[0] = offsetof(struct fe_counters, offset_f), \
+ .metric.offset[1] = offsetof(struct be_counters, offset_f), \
+ .cap = (cap_f), \
+ }
+
+/* Define a new metric for frontend side only. */
+#define ME_NEW_FE(name_f, nature, format, offset_f, cap_f, desc_f) \
+ { .name = (name_f), .desc = (desc_f), .type = (nature)|(format), \
+ .metric.offset[0] = offsetof(struct fe_counters, offset_f), \
+ .cap = (cap_f), \
+ }
+
+/* Define a new metric for backend side only. */
+#define ME_NEW_BE(name_f, nature, format, offset_f, cap_f, desc_f) \
+ { .name = (name_f), .desc = (desc_f), .type = (nature)|(format), \
+ .metric.offset[1] = offsetof(struct be_counters, offset_f), \
+ .cap = (cap_f), \
+ }
+
+const struct stat_col stat_cols_px[ST_I_PX_MAX] = {
+ [ST_I_PX_PXNAME] = { .name = "pxname", .desc = "Proxy name" },
+ [ST_I_PX_SVNAME] = { .name = "svname", .desc = "Server name" },
+ [ST_I_PX_QCUR] = { .name = "qcur", .desc = "Number of current queued connections" },
+ [ST_I_PX_QMAX] = { .name = "qmax", .desc = "Highest value of queued connections encountered since process started" },
+ [ST_I_PX_SCUR] = { .name = "scur", .desc = "Number of current sessions on the frontend, backend or server" },
+ [ST_I_PX_SMAX] = { .name = "smax", .desc = "Highest value of current sessions encountered since process started" },
+ [ST_I_PX_SLIM] = { .name = "slim", .desc = "Frontend/listener/server's maxconn, backend's fullconn" },
+ [ST_I_PX_STOT] = ME_NEW_PX("stot", FN_COUNTER, FF_U64, cum_sess, STATS_PX_CAP_LFBS, "Total number of sessions since process started"),
+ [ST_I_PX_BIN] = ME_NEW_PX("bin", FN_COUNTER, FF_U64, bytes_in, STATS_PX_CAP_LFBS, "Total number of request bytes since process started"),
+ [ST_I_PX_BOUT] = ME_NEW_PX("bout", FN_COUNTER, FF_U64, bytes_out, STATS_PX_CAP_LFBS, "Total number of response bytes since process started"),
+ [ST_I_PX_DREQ] = ME_NEW_PX("dreq", FN_COUNTER, FF_U64, denied_req, STATS_PX_CAP_LFB_, "Total number of denied requests since process started"),
+ [ST_I_PX_DRESP] = ME_NEW_PX("dresp", FN_COUNTER, FF_U64, denied_resp, STATS_PX_CAP_LFBS, "Total number of denied responses since process started"),
+ [ST_I_PX_EREQ] = ME_NEW_FE("ereq", FN_COUNTER, FF_U64, failed_req, STATS_PX_CAP_LF__, "Total number of invalid requests since process started"),
+ [ST_I_PX_ECON] = ME_NEW_BE("econ", FN_COUNTER, FF_U64, failed_conns, STATS_PX_CAP___BS, "Total number of failed connections to server since the worker process started"),
+ [ST_I_PX_ERESP] = ME_NEW_BE("eresp", FN_COUNTER, FF_U64, failed_resp, STATS_PX_CAP___BS, "Total number of invalid responses since the worker process started"),
+ [ST_I_PX_WRETR] = ME_NEW_BE("wretr", FN_COUNTER, FF_U64, retries, STATS_PX_CAP___BS, "Total number of server connection retries since the worker process started"),
+ [ST_I_PX_WREDIS] = ME_NEW_BE("wredis", FN_COUNTER, FF_U64, redispatches, STATS_PX_CAP___BS, "Total number of server redispatches due to connection failures since the worker process started"),
+ [ST_I_PX_STATUS] = { .name = "status", .desc = "Frontend/listen status: OPEN/WAITING/FULL/STOP; backend: UP/DOWN; server: last check status" },
+ [ST_I_PX_WEIGHT] = { .name = "weight", .desc = "Server's effective weight, or sum of active servers' effective weights for a backend" },
+ [ST_I_PX_ACT] = { .name = "act", .desc = "Total number of active UP servers with a non-zero weight" },
+ [ST_I_PX_BCK] = { .name = "bck", .desc = "Total number of backup UP servers with a non-zero weight" },
+ [ST_I_PX_CHKFAIL] = ME_NEW_BE("chkfail", FN_COUNTER, FF_U64, failed_checks, STATS_PX_CAP____S, "Total number of failed individual health checks per server/backend, since the worker process started"),
+ [ST_I_PX_CHKDOWN] = ME_NEW_BE("chkdown", FN_COUNTER, FF_U64, down_trans, STATS_PX_CAP___BS, "Total number of failed checks causing UP to DOWN server transitions, per server/backend, since the worker process started"),
+ [ST_I_PX_LASTCHG] = ME_NEW_BE("lastchg", FN_AGE, FF_U32, last_change, STATS_PX_CAP___BS, "How long ago the last server state changed, in seconds"),
+ [ST_I_PX_DOWNTIME] = { .name = "downtime", .desc = "Total time spent in DOWN state, for server or backend" },
+ [ST_I_PX_QLIMIT] = { .name = "qlimit", .desc = "Limit on the number of connections in queue, for servers only (maxqueue argument)" },
+ [ST_I_PX_PID] = { .name = "pid", .desc = "Relative worker process number (1)" },
+ [ST_I_PX_IID] = { .name = "iid", .desc = "Frontend or Backend numeric identifier ('id' setting)" },
+ [ST_I_PX_SID] = { .name = "sid", .desc = "Server numeric identifier ('id' setting)" },
+ [ST_I_PX_THROTTLE] = { .name = "throttle", .desc = "Throttling ratio applied to a server's maxconn and weight during the slowstart period (0 to 100%)" },
+ [ST_I_PX_LBTOT] = ME_NEW_BE("lbtot", FN_COUNTER, FF_U64, cum_lbconn, STATS_PX_CAP_LFBS, "Total number of requests routed by load balancing since the worker process started (ignores queue pop and stickiness)"),
+ [ST_I_PX_TRACKED] = { .name = "tracked", .desc = "Name of the other server this server tracks for its state" },
+ [ST_I_PX_TYPE] = { .name = "type", .desc = "Type of the object (Listener, Frontend, Backend, Server)" },
+ [ST_I_PX_RATE] = ME_NEW_PX("rate", FN_RATE, FF_U32, sess_per_sec, STATS_PX_CAP__FBS, "Total number of sessions processed by this object over the last second (sessions for listeners/frontends, requests for backends/servers)"),
+ [ST_I_PX_RATE_LIM] = { .name = "rate_lim", .desc = "Limit on the number of sessions accepted in a second (frontend only, 'rate-limit sessions' setting)" },
+ [ST_I_PX_RATE_MAX] = { .name = "rate_max", .desc = "Highest value of sessions per second observed since the worker process started" },
+ [ST_I_PX_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_I_PX_CHECK_CODE] = { .name = "check_code", .desc = "HTTP/SMTP/LDAP status code reported by the latest server health check" },
+ [ST_I_PX_CHECK_DURATION] = { .name = "check_duration", .desc = "Total duration of the latest server health check, in milliseconds" },
+ [ST_I_PX_HRSP_1XX] = ME_NEW_PX("hrsp_1xx", FN_COUNTER, FF_U64, p.http.rsp[1], STATS_PX_CAP__FBS, "Total number of HTTP responses with status 100-199 returned by this object since the worker process started"),
+ [ST_I_PX_HRSP_2XX] = ME_NEW_PX("hrsp_2xx", FN_COUNTER, FF_U64, p.http.rsp[2], STATS_PX_CAP__FBS, "Total number of HTTP responses with status 200-299 returned by this object since the worker process started"),
+ [ST_I_PX_HRSP_3XX] = ME_NEW_PX("hrsp_3xx", FN_COUNTER, FF_U64, p.http.rsp[3], STATS_PX_CAP__FBS, "Total number of HTTP responses with status 300-399 returned by this object since the worker process started"),
+ [ST_I_PX_HRSP_4XX] = ME_NEW_PX("hrsp_4xx", FN_COUNTER, FF_U64, p.http.rsp[4], STATS_PX_CAP__FBS, "Total number of HTTP responses with status 400-499 returned by this object since the worker process started"),
+ [ST_I_PX_HRSP_5XX] = ME_NEW_PX("hrsp_5xx", FN_COUNTER, FF_U64, p.http.rsp[5], STATS_PX_CAP__FBS, "Total number of HTTP responses with status 500-599 returned by this object since the worker process started"),
+ [ST_I_PX_HRSP_OTHER] = ME_NEW_PX("hrsp_other", FN_COUNTER, FF_U64, p.http.rsp[0], STATS_PX_CAP__FBS, "Total number of HTTP responses with status <100, >599 returned by this object since the worker process started (error -1 included)"),
+ [ST_I_PX_HANAFAIL] = ME_NEW_BE("hanafail", FN_COUNTER, FF_U64, failed_hana, STATS_PX_CAP____S, "Total number of failed checks caused by an 'on-error' directive after an 'observe' condition matched"),
+ [ST_I_PX_REQ_RATE] = ME_NEW_FE("req_rate", FN_RATE, FF_U32, req_per_sec, STATS_PX_CAP__F__, "Number of HTTP requests processed over the last second on this object"),
+ [ST_I_PX_REQ_RATE_MAX] = { .name = "req_rate_max", .desc = "Highest value of http requests observed since the worker process started" },
+ /* Note: ST_I_PX_REQ_TOT is also diplayed on frontend but does not uses a raw counter value, see me_generate_field() for details. */
+ [ST_I_PX_REQ_TOT] = ME_NEW_BE("req_tot", FN_COUNTER, FF_U64, p.http.cum_req, STATS_PX_CAP___BS, "Total number of HTTP requests processed by this object since the worker process started"),
+ [ST_I_PX_CLI_ABRT] = ME_NEW_BE("cli_abrt", FN_COUNTER, FF_U64, cli_aborts, STATS_PX_CAP_LFBS, "Total number of requests or connections aborted by the client since the worker process started"),
+ [ST_I_PX_SRV_ABRT] = ME_NEW_BE("srv_abrt", FN_COUNTER, FF_U64, srv_aborts, STATS_PX_CAP_LFBS, "Total number of requests or connections aborted by the server since the worker process started"),
+ [ST_I_PX_COMP_IN] = ME_NEW_PX("comp_in", FN_COUNTER, FF_U64, comp_in[COMP_DIR_RES], STATS_PX_CAP__FB_, "Total number of bytes submitted to the HTTP compressor for this object since the worker process started"),
+ [ST_I_PX_COMP_OUT] = ME_NEW_PX("comp_out", FN_COUNTER, FF_U64, comp_out[COMP_DIR_RES], STATS_PX_CAP__FB_, "Total number of bytes emitted by the HTTP compressor for this object since the worker process started"),
+ [ST_I_PX_COMP_BYP] = ME_NEW_PX("comp_byp", FN_COUNTER, FF_U64, comp_byp[COMP_DIR_RES], STATS_PX_CAP__FB_, "Total number of bytes that bypassed HTTP compression for this object since the worker process started (CPU/memory/bandwidth limitation)"),
+ [ST_I_PX_COMP_RSP] = ME_NEW_PX("comp_rsp", FN_COUNTER, FF_U64, p.http.comp_rsp, STATS_PX_CAP__FB_, "Total number of HTTP responses that were compressed for this object since the worker process started"),
+ [ST_I_PX_LASTSESS] = ME_NEW_BE("lastsess", FN_AGE, FF_S32, last_sess, STATS_PX_CAP___BS, "How long ago some traffic was seen on this object on this worker process, in seconds"),
+ [ST_I_PX_LAST_CHK] = { .name = "last_chk", .desc = "Short description of the latest health check report for this server (see also check_desc)" },
+ [ST_I_PX_LAST_AGT] = { .name = "last_agt", .desc = "Short description of the latest agent check report for this server (see also agent_desc)" },
+ [ST_I_PX_QTIME] = { .name = "qtime", .desc = "Time spent in the queue, in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_I_PX_CTIME] = { .name = "ctime", .desc = "Time spent waiting for a connection to complete, in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_I_PX_RTIME] = { .name = "rtime", .desc = "Time spent waiting for a server response, in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_I_PX_TTIME] = { .name = "ttime", .desc = "Total request+response time (request+queue+connect+response+processing), in milliseconds, averaged over the 1024 last requests (backend/server)" },
+ [ST_I_PX_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_I_PX_AGENT_CODE] = { .name = "agent_code", .desc = "Status code reported by the latest server agent check" },
+ [ST_I_PX_AGENT_DURATION] = { .name = "agent_duration", .desc = "Total duration of the latest server agent check, in milliseconds" },
+ [ST_I_PX_CHECK_DESC] = { .name = "check_desc", .desc = "Textual description of the latest health check report for this server" },
+ [ST_I_PX_AGENT_DESC] = { .name = "agent_desc", .desc = "Textual description of the latest agent check report for this server" },
+ [ST_I_PX_CHECK_RISE] = { .name = "check_rise", .desc = "Number of successful health checks before declaring a server UP (server 'rise' setting)" },
+ [ST_I_PX_CHECK_FALL] = { .name = "check_fall", .desc = "Number of failed health checks before declaring a server DOWN (server 'fall' setting)" },
+ [ST_I_PX_CHECK_HEALTH] = { .name = "check_health", .desc = "Current server health check level (0..fall-1=DOWN, fall..rise-1=UP)" },
+ [ST_I_PX_AGENT_RISE] = { .name = "agent_rise", .desc = "Number of successful agent checks before declaring a server UP (server 'rise' setting)" },
+ [ST_I_PX_AGENT_FALL] = { .name = "agent_fall", .desc = "Number of failed agent checks before declaring a server DOWN (server 'fall' setting)" },
+ [ST_I_PX_AGENT_HEALTH] = { .name = "agent_health", .desc = "Current server agent check level (0..fall-1=DOWN, fall..rise-1=UP)" },
+ [ST_I_PX_ADDR] = { .name = "addr", .desc = "Server's address:port, shown only if show-legends is set, or at levels oper/admin for the CLI" },
+ [ST_I_PX_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_I_PX_MODE] = { .name = "mode", .desc = "'mode' setting (tcp/http/health/cli)" },
+ [ST_I_PX_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_I_PX_CONN_RATE] = ME_NEW_FE("conn_rate", FN_RATE, FF_U32, conn_per_sec, STATS_PX_CAP__F__, "Number of new connections accepted over the last second on the frontend for this worker process"),
+ [ST_I_PX_CONN_RATE_MAX] = { .name = "conn_rate_max", .desc = "Highest value of connections per second observed since the worker process started" },
+ [ST_I_PX_CONN_TOT] = ME_NEW_FE("conn_tot", FN_COUNTER, FF_U64, cum_conn, STATS_PX_CAP_LF__, "Total number of new connections accepted on this frontend since the worker process started"),
+ [ST_I_PX_INTERCEPTED] = ME_NEW_FE("intercepted", FN_COUNTER, FF_U64, intercepted_req, STATS_PX_CAP__F__, "Total number of HTTP requests intercepted on the frontend (redirects/stats/services) since the worker process started"),
+ [ST_I_PX_DCON] = ME_NEW_FE("dcon", FN_COUNTER, FF_U64, denied_conn, STATS_PX_CAP_LF__, "Total number of incoming connections blocked on a listener/frontend by a tcp-request connection rule since the worker process started"),
+ [ST_I_PX_DSES] = ME_NEW_FE("dses", FN_COUNTER, FF_U64, denied_sess, STATS_PX_CAP_LF__, "Total number of incoming sessions blocked on a listener/frontend by a tcp-request connection rule since the worker process started"),
+ [ST_I_PX_WREW] = ME_NEW_PX("wrew", FN_COUNTER, FF_U64, failed_rewrites, STATS_PX_CAP_LFBS, "Total number of failed HTTP header rewrites since the worker process started"),
+ [ST_I_PX_CONNECT] = ME_NEW_BE("connect", FN_COUNTER, FF_U64, connect, STATS_PX_CAP___BS, "Total number of outgoing connection attempts on this backend/server since the worker process started"),
+ [ST_I_PX_REUSE] = ME_NEW_BE("reuse", FN_COUNTER, FF_U64, reuse, STATS_PX_CAP___BS, "Total number of reused connection on this backend/server since the worker process started"),
+ [ST_I_PX_CACHE_LOOKUPS] = ME_NEW_PX("cache_lookups", FN_COUNTER, FF_U64, p.http.cache_lookups, STATS_PX_CAP__FB_, "Total number of HTTP requests looked up in the cache on this frontend/backend since the worker process started"),
+ [ST_I_PX_CACHE_HITS] = ME_NEW_PX("cache_hits", FN_COUNTER, FF_U64, p.http.cache_hits, STATS_PX_CAP__FB_, "Total number of HTTP requests not found in the cache on this frontend/backend since the worker process started"),
+ [ST_I_PX_SRV_ICUR] = { .name = "srv_icur", .desc = "Current number of idle connections available for reuse on this server" },
+ [ST_I_PX_SRV_ILIM] = { .name = "src_ilim", .desc = "Limit on the number of available idle connections on this server (server 'pool_max_conn' directive)" },
+ [ST_I_PX_QT_MAX] = { .name = "qtime_max", .desc = "Maximum observed time spent in the queue, in milliseconds (backend/server)" },
+ [ST_I_PX_CT_MAX] = { .name = "ctime_max", .desc = "Maximum observed time spent waiting for a connection to complete, in milliseconds (backend/server)" },
+ [ST_I_PX_RT_MAX] = { .name = "rtime_max", .desc = "Maximum observed time spent waiting for a server response, in milliseconds (backend/server)" },
+ [ST_I_PX_TT_MAX] = { .name = "ttime_max", .desc = "Maximum observed total request+response time (request+queue+connect+response+processing), in milliseconds (backend/server)" },
+ [ST_I_PX_EINT] = ME_NEW_PX("eint", FN_COUNTER, FF_U64, internal_errors, STATS_PX_CAP_LFBS, "Total number of internal errors since process started"),
+ [ST_I_PX_IDLE_CONN_CUR] = { .name = "idle_conn_cur", .desc = "Current number of unsafe idle connections"},
+ [ST_I_PX_SAFE_CONN_CUR] = { .name = "safe_conn_cur", .desc = "Current number of safe idle connections"},
+ [ST_I_PX_USED_CONN_CUR] = { .name = "used_conn_cur", .desc = "Current number of connections in use"},
+ [ST_I_PX_NEED_CONN_EST] = { .name = "need_conn_est", .desc = "Estimated needed number of connections"},
+ [ST_I_PX_UWEIGHT] = { .name = "uweight", .desc = "Server's user weight, or sum of active servers' user weights for a backend" },
+ [ST_I_PX_AGG_SRV_CHECK_STATUS] = { .name = "agg_server_check_status", .desc = "[DEPRECATED] Backend's aggregated gauge of servers' status" },
+ [ST_I_PX_AGG_SRV_STATUS ] = { .name = "agg_server_status", .desc = "Backend's aggregated gauge of servers' status" },
+ [ST_I_PX_AGG_CHECK_STATUS] = { .name = "agg_check_status", .desc = "Backend's aggregated gauge of servers' state check status" },
+ [ST_I_PX_SRID] = { .name = "srid", .desc = "Server id revision, to prevent server id reuse mixups" },
+ [ST_I_PX_SESS_OTHER] = { .name = "sess_other", .desc = "Total number of sessions other than HTTP since process started" },
+ [ST_I_PX_H1SESS] = ME_NEW_FE("h1sess", FN_COUNTER, FF_U64, cum_sess_ver[0], STATS_PX_CAP__F__, "Total number of HTTP/1 sessions since process started"),
+ [ST_I_PX_H2SESS] = ME_NEW_FE("h2sess", FN_COUNTER, FF_U64, cum_sess_ver[1], STATS_PX_CAP__F__, "Total number of HTTP/2 sessions since process started"),
+ [ST_I_PX_H3SESS] = ME_NEW_FE("h3sess", FN_COUNTER, FF_U64, cum_sess_ver[2], STATS_PX_CAP__F__, "Total number of HTTP/3 sessions since process started"),
+ [ST_I_PX_REQ_OTHER] = ME_NEW_FE("req_other", FN_COUNTER, FF_U64, p.http.cum_req[0], STATS_PX_CAP__F__, "Total number of sessions other than HTTP processed by this object since the worker process started"),
+ [ST_I_PX_H1REQ] = ME_NEW_FE("h1req", FN_COUNTER, FF_U64, p.http.cum_req[1], STATS_PX_CAP__F__, "Total number of HTTP/1 sessions processed by this object since the worker process started"),
+ [ST_I_PX_H2REQ] = ME_NEW_FE("h2req", FN_COUNTER, FF_U64, p.http.cum_req[2], STATS_PX_CAP__F__, "Total number of hTTP/2 sessions processed by this object since the worker process started"),
+ [ST_I_PX_H3REQ] = ME_NEW_FE("h3req", FN_COUNTER, FF_U64, p.http.cum_req[3], STATS_PX_CAP__F__, "Total number of HTTP/3 sessions processed by this object since the worker process started"),
+ [ST_I_PX_PROTO] = { .name = "proto", .desc = "Protocol" },
+};
+
+/* Returns true if column at <idx> should be hidden.
+ * This may depends on various <objt> internal status.
+ */
+static int stcol_hide(enum stat_idx_px idx, enum obj_type *objt)
+{
+ struct proxy *px;
+ struct server *srv = NULL, *ref;
+ struct listener *li = NULL;
+
+ switch (obj_type(objt)) {
+ case OBJ_TYPE_PROXY:
+ px = __objt_proxy(objt);
+ break;
+ case OBJ_TYPE_SERVER:
+ srv = __objt_server(objt);
+ px = srv->proxy;
+ break;
+ case OBJ_TYPE_LISTENER:
+ li = __objt_listener(objt);
+ px = li->bind_conf->frontend;
+ break;
+ default:
+ ABORT_NOW();
+ return 0;
+ }
+
+ switch (idx) {
+ case ST_I_PX_HRSP_1XX:
+ case ST_I_PX_HRSP_2XX:
+ case ST_I_PX_HRSP_3XX:
+ case ST_I_PX_HRSP_4XX:
+ case ST_I_PX_HRSP_5XX:
+ case ST_I_PX_REQ_TOT:
+ case ST_I_PX_INTERCEPTED:
+ case ST_I_PX_CACHE_LOOKUPS:
+ case ST_I_PX_CACHE_HITS:
+ return px->mode != PR_MODE_HTTP;
+
+ case ST_I_PX_CHKFAIL:
+ case ST_I_PX_CHKDOWN:
+ return srv && !(srv->check.state & CHK_ST_ENABLED);
+
+ case ST_I_PX_HANAFAIL:
+ BUG_ON(!srv); /* HANAFAIL is only defined for server scope */
+
+ ref = srv->track ? srv->track : srv;
+ while (ref->track)
+ ref = ref->track;
+ return !ref->observe;
+
+ case ST_I_PX_LASTSESS:
+ if (srv)
+ return !srv->counters.last_sess;
+ else if (px)
+ return !px->be_counters.last_sess;
+ else
+ return 0;
+
+ default:
+ return 0;
+ }
+}
+
+/* Generate if possible a metric value from <col>. <cap> must be set to one of
+ * STATS_PX_CAP_* values to check if the metric is available for this object
+ * type. <stat_file> must be set when dumping stats-file. Metric value will be
+ * extracted from <counters>.
+ *
+ * Returns a field metric.
+ */
+static struct field me_generate_field(const struct stat_col *col,
+ enum stat_idx_px idx, enum obj_type *objt,
+ const void *counters, uint8_t cap,
+ int stat_file)
+{
+ enum field_nature fn;
+ struct field value;
+ void *counter = NULL;
+ int wrong_side = 0;
+
+ /* Only generic stat column must be used as input. */
+ BUG_ON(!stcol_is_generic(col));
+
+ fn = stcol_nature(col);
+
+ switch (cap) {
+ case STATS_PX_CAP_FE:
+ case STATS_PX_CAP_LI:
+ counter = (char *)counters + col->metric.offset[0];
+ wrong_side = !(col->cap & (STATS_PX_CAP_FE|STATS_PX_CAP_LI));
+ break;
+
+ case STATS_PX_CAP_BE:
+ case STATS_PX_CAP_SRV:
+ counter = (char *)counters + col->metric.offset[1];
+ wrong_side = !(col->cap & (STATS_PX_CAP_BE|STATS_PX_CAP_SRV));
+ break;
+
+ default:
+ /* invalid cap requested */
+ ABORT_NOW();
+ }
+
+ /* TODO Special case needed for ST_I_PX_REQ_TOT. It is defined as a
+ * generic column for backend side. Extra code required to diplay it on
+ * frontend side as an aggregate of values splitted by HTTP version.
+ */
+ if (idx == ST_I_PX_REQ_TOT && cap == STATS_PX_CAP_FE && !stat_file) {
+ struct proxy *px = __objt_proxy(objt);
+ const size_t nb_reqs =
+ sizeof(px->fe_counters.p.http.cum_req) /
+ sizeof(*px->fe_counters.p.http.cum_req);
+ uint64_t total_req = 0;
+ int i;
+
+ for (i = 0; i < nb_reqs; i++)
+ total_req += px->fe_counters.p.http.cum_req[i];
+ return mkf_u64(FN_COUNTER, total_req);
+ }
+
+ if (stat_file) {
+ /* stats-file emits separately frontend and backend stats.
+ * Skip metric if not defined for any object on the cap side.
+ */
+ if (wrong_side)
+ return (struct field){ .type = FF_EMPTY };
+ }
+ else {
+ /* Ensure metric is defined for the current cap. */
+ if (!(col->cap & cap))
+ return (struct field){ .type = FF_EMPTY };
+
+ if (stcol_hide(idx, objt)) {
+ if (fn == FN_AGE)
+ return mkf_s32(FN_AGE, -1);
+ else
+ return (struct field){ .type = FF_EMPTY };
+ }
+ }
+
+ if (fn == FN_COUNTER) {
+ switch (stcol_format(col)) {
+ case FF_U64:
+ value = mkf_u64(FN_COUNTER, *(uint64_t *)counter);
+ break;
+ default:
+ /* only FF_U64 counters currently use generic metric calculation */
+ ABORT_NOW();
+ }
+ }
+ else if (fn == FN_RATE) {
+ /* freq-ctr always uses FF_U32 */
+ BUG_ON(stcol_format(col) != FF_U32);
+ value = mkf_u32(FN_RATE, read_freq_ctr(counter));
+ }
+ else if (fn == FN_AGE) {
+ unsigned long age = *(unsigned long *)counter;
+ if (age)
+ age = ns_to_sec(now_ns) - age;
+
+ switch (stcol_format(col)) {
+ case FF_U32:
+ value = mkf_u32(FN_AGE, age);
+ break;
+ case FF_S32:
+ value = mkf_s32(FN_AGE, age);
+ break;
+ default:
+ /* only FF_U32/FF+S32 for age as generic stat column */
+ ABORT_NOW();
+ }
+ }
+ else {
+ /* No generic column available for other field nature. */
+ ABORT_NOW();
+ }
+
+ return value;
+}
+
+/* Fill <line> with the frontend statistics. <line> is preallocated array of
+ * length <len>. If <index> is != NULL, only fill this one. The length
+ * of the array must be at least ST_I_PX_MAX. 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_line(struct proxy *px, int flags, struct field *line, int len,
+ enum stat_idx_px *index)
+{
+ enum stat_idx_px i = index ? *index : 0;
+
+ if (len < ST_I_PX_MAX)
+ return 0;
+
+ for (; i < ST_I_PX_MAX; i++) {
+ const struct stat_col *col = &stat_cols_px[i];
+ struct field field = { 0 };
+
+ if (stcol_is_generic(col)) {
+ field = me_generate_field(col, i, &px->obj_type,
+ &px->fe_counters, STATS_PX_CAP_FE,
+ flags & STAT_F_FMT_FILE);
+ }
+ else if (!(flags & STAT_F_FMT_FILE)) {
+ switch (i) {
+ case ST_I_PX_PXNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_I_PX_SVNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "FRONTEND");
+ break;
+ case ST_I_PX_MODE:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_I_PX_SCUR:
+ field = mkf_u32(0, px->feconn);
+ break;
+ case ST_I_PX_SMAX:
+ field = mkf_u32(FN_MAX, px->fe_counters.conn_max);
+ break;
+ case ST_I_PX_SLIM:
+ field = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn);
+ break;
+ case ST_I_PX_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";
+ field = mkf_str(FO_STATUS, state);
+ break;
+ }
+ case ST_I_PX_PID:
+ field = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_I_PX_IID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_I_PX_SID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, 0);
+ break;
+ case ST_I_PX_TYPE:
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_FE);
+ break;
+ case ST_I_PX_RATE_LIM:
+ field = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim);
+ break;
+ case ST_I_PX_RATE_MAX:
+ field = mkf_u32(FN_MAX, px->fe_counters.sps_max);
+ break;
+ case ST_I_PX_REQ_RATE_MAX:
+ field = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max);
+ break;
+ case ST_I_PX_CONN_RATE_MAX:
+ field = mkf_u32(FN_MAX, px->fe_counters.cps_max);
+ break;
+ case ST_I_PX_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;
+ field = mkf_u64(FN_COUNTER, total_sess);
+ break;
+ }
+ default:
+ /* not used for frontends. If a specific field
+ * is requested, return an error. Otherwise continue.
+ */
+ if (index)
+ return 0;
+ continue;
+ }
+ }
+ line[i] = field;
+ if (index)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a frontend's line to chunk ctx buffer for the current proxy <px> and
+ * uses the state from stream connector <sc>. The caller is responsible for
+ * clearing chunk ctx buffer if needed. Returns non-zero if it emits anything,
+ * zero otherwise.
+ */
+static int stats_dump_fe_line(struct stconn *sc, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct field *line = stat_lines[STATS_DOMAIN_PROXY];
+ struct stats_module *mod;
+ size_t stats_count = ST_I_PX_MAX;
+
+ if (!(px->cap & PR_CAP_FE))
+ return 0;
+
+ if ((ctx->flags & STAT_F_BOUND) && !(ctx->type & (1 << STATS_TYPE_FE)))
+ return 0;
+
+ memset(line, 0, sizeof(struct field) * stat_cols_len[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_fe_line(px, ctx->flags, line, ST_I_PX_MAX, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ void *counters;
+
+ if (ctx->flags & STAT_F_FMT_FILE)
+ continue;
+
+ 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);
+ if (!mod->fill_stats(counters, line + stats_count, NULL))
+ continue;
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(line, stats_count, appctx);
+}
+
+/* Fill <line> with the listener statistics. <line> is preallocated array of
+ * length <len>. The length of the array must be at least ST_I_PX_MAX. If
+ * this length is less then this value, the function returns 0, otherwise, it
+ * returns 1. If selected_field is != NULL, only fill this one. <flags> can
+ * take the value STAT_F_SHLGNDS.
+ */
+int stats_fill_li_line(struct proxy *px, struct listener *l, int flags,
+ struct field *line, int len, enum stat_idx_px *selected_field)
+{
+ enum stat_idx_px i = (selected_field != NULL ? *selected_field : 0);
+ struct buffer *out = get_trash_chunk();
+
+ if (len < ST_I_PX_MAX)
+ return 0;
+
+ if (!l->counters)
+ return 0;
+
+ chunk_reset(out);
+
+ for (; i < ST_I_PX_MAX; i++) {
+ const struct stat_col *col = &stat_cols_px[i];
+ struct field field = { 0 };
+
+ if (stcol_is_generic(col)) {
+ field = me_generate_field(col, i, &l->obj_type,
+ l->counters, STATS_PX_CAP_LI,
+ flags & STAT_F_FMT_FILE);
+ }
+ else if (!(flags & STAT_F_FMT_FILE)) {
+ switch (i) {
+ case ST_I_PX_PXNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_I_PX_SVNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, l->name);
+ break;
+ case ST_I_PX_MODE:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_I_PX_SCUR:
+ field = mkf_u32(0, l->nbconn);
+ break;
+ case ST_I_PX_SMAX:
+ field = mkf_u32(FN_MAX, l->counters->conn_max);
+ break;
+ case ST_I_PX_SLIM:
+ field = mkf_u32(FO_CONFIG|FN_LIMIT, l->bind_conf->maxconn);
+ break;
+ case ST_I_PX_STATUS:
+ field = mkf_str(FO_STATUS, li_status_st[get_li_status(l)]);
+ break;
+ case ST_I_PX_PID:
+ field = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_I_PX_IID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_I_PX_SID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, l->luid);
+ break;
+ case ST_I_PX_TYPE:
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SO);
+ break;
+ case ST_I_PX_ADDR:
+ if (flags & STAT_F_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:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "%s:%d", str, port);
+ break;
+ case AF_INET6:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "[%s]:%d", str, port);
+ break;
+ case AF_UNIX:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
+ break;
+ case -1:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_strcat(out, strerror(errno));
+ break;
+ default: /* address family not supported */
+ break;
+ }
+ }
+ break;
+ case ST_I_PX_PROTO:
+ field = mkf_str(FO_STATUS, l->rx.proto->name);
+ break;
+ default:
+ /* not used for listen. If a specific field
+ * is requested, return an error. Otherwise continue.
+ */
+ if (selected_field != NULL)
+ return 0;
+ continue;
+ }
+ }
+ line[i] = field;
+ if (selected_field != NULL)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a line for listener <l> and proxy <px> to chunk ctx buffer and uses
+ * the state from stream connector <sc>. The caller is responsible for clearing
+ * chunk ctx buffer if needed. Returns non-zero if it emits anything, zero
+ * otherwise.
+ */
+static int stats_dump_li_line(struct stconn *sc, struct proxy *px, struct listener *l)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct field *line = stat_lines[STATS_DOMAIN_PROXY];
+ struct stats_module *mod;
+ size_t stats_count = ST_I_PX_MAX;
+
+ memset(line, 0, sizeof(struct field) * stat_cols_len[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_li_line(px, l, ctx->flags, line,
+ ST_I_PX_MAX, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ void *counters;
+
+ if (ctx->flags & STAT_F_FMT_FILE)
+ continue;
+
+ 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);
+ if (!mod->fill_stats(counters, line + stats_count, NULL))
+ continue;
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(line, 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_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 <line> with the backend statistics. <line> is preallocated array of
+ * length <len>. If <selected_field> is != NULL, only fill this one. The length
+ * of the array must be at least ST_I_PX_MAX. If this length is less than
+ * this value, or if the selected field is not implemented for servers, the
+ * function returns 0, otherwise, it returns 1. <flags> can take the value
+ * STAT_F_SHLGNDS.
+ */
+int stats_fill_sv_line(struct proxy *px, struct server *sv, int flags,
+ struct field *line, int len,
+ enum stat_idx_px *index)
+{
+ enum stat_idx_px i = index ? *index : 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_I_PX_MAX)
+ return 0;
+
+ chunk_reset(out);
+
+ /* compute state for later use */
+ if (!index || *index == ST_I_PX_STATUS ||
+ *index == ST_I_PX_CHECK_RISE || *index == ST_I_PX_CHECK_FALL ||
+ *index == ST_I_PX_CHECK_HEALTH || *index == ST_I_PX_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_computestate(sv, ref, &state);
+ }
+
+ /* compue time values for later use */
+ if (index == NULL || *index == ST_I_PX_QTIME ||
+ *index == ST_I_PX_CTIME || *index == ST_I_PX_RTIME ||
+ *index == ST_I_PX_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 (; i < ST_I_PX_MAX; i++) {
+ const struct stat_col *col = &stat_cols_px[i];
+ struct field field = { 0 };
+
+ if (stcol_is_generic(col)) {
+ field = me_generate_field(col, i, &sv->obj_type,
+ &sv->counters, STATS_PX_CAP_SRV,
+ flags & STAT_F_FMT_FILE);
+ }
+ else if (!(flags & STAT_F_FMT_FILE)) {
+ switch (i) {
+ case ST_I_PX_PXNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_I_PX_SVNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, sv->id);
+ break;
+ case ST_I_PX_MODE:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_I_PX_QCUR:
+ field = mkf_u32(0, sv->queue.length);
+ break;
+ case ST_I_PX_QMAX:
+ field = mkf_u32(FN_MAX, sv->counters.nbpend_max);
+ break;
+ case ST_I_PX_SCUR:
+ field = mkf_u32(0, sv->cur_sess);
+ break;
+ case ST_I_PX_SMAX:
+ field = mkf_u32(FN_MAX, sv->counters.cur_sess_max);
+ break;
+ case ST_I_PX_SLIM:
+ if (sv->maxconn)
+ field = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn);
+ break;
+ case ST_I_PX_SRV_ICUR:
+ field = mkf_u32(0, sv->curr_idle_conns);
+ break;
+ case ST_I_PX_SRV_ILIM:
+ if (sv->max_idle_conns != -1)
+ field = mkf_u32(FO_CONFIG|FN_LIMIT, sv->max_idle_conns);
+ break;
+ case ST_I_PX_IDLE_CONN_CUR:
+ field = mkf_u32(0, sv->curr_idle_nb);
+ break;
+ case ST_I_PX_SAFE_CONN_CUR:
+ field = mkf_u32(0, sv->curr_safe_nb);
+ break;
+ case ST_I_PX_USED_CONN_CUR:
+ field = mkf_u32(0, sv->curr_used_conns);
+ break;
+ case ST_I_PX_NEED_CONN_EST:
+ field = mkf_u32(0, sv->est_need_conns);
+ break;
+ case ST_I_PX_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));
+
+ field = mkf_str(FO_STATUS, fld_status);
+ break;
+ case ST_I_PX_WEIGHT:
+ field = mkf_u32(FN_AVG, (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
+ break;
+ case ST_I_PX_UWEIGHT:
+ field = mkf_u32(FN_AVG, sv->uweight);
+ break;
+ case ST_I_PX_ACT:
+ field = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 0 : 1);
+ break;
+ case ST_I_PX_BCK:
+ field = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 1 : 0);
+ break;
+ case ST_I_PX_DOWNTIME:
+ if (sv->check.state & CHK_ST_ENABLED)
+ field = mkf_u32(FN_COUNTER, srv_downtime(sv));
+ break;
+ case ST_I_PX_QLIMIT:
+ if (sv->maxqueue)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue);
+ break;
+ case ST_I_PX_PID:
+ field = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_I_PX_IID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_I_PX_SID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, sv->puid);
+ break;
+ case ST_I_PX_SRID:
+ field = mkf_u32(FN_COUNTER, sv->rid);
+ break;
+ case ST_I_PX_THROTTLE:
+ if (sv->cur_state == SRV_ST_STARTING && !server_is_draining(sv))
+ field = mkf_u32(FN_AVG, server_throttle_rate(sv));
+ break;
+ case ST_I_PX_TRACKED:
+ if (sv->track) {
+ char *fld_track = chunk_newstr(out);
+ chunk_appendf(out, "%s/%s", sv->track->proxy->id, sv->track->id);
+ field = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, fld_track);
+ }
+ break;
+ case ST_I_PX_TYPE:
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SV);
+ break;
+ case ST_I_PX_RATE_MAX:
+ field = mkf_u32(FN_MAX, sv->counters.sps_max);
+ break;
+ case ST_I_PX_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 "* "
+ field = mkf_str(FN_OUTPUT, fld_chksts);
+ }
+ break;
+ case ST_I_PX_CHECK_CODE:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
+ sv->check.status >= HCHK_STATUS_L57DATA)
+ field = mkf_u32(FN_OUTPUT, sv->check.code);
+ break;
+ case ST_I_PX_CHECK_DURATION:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
+ sv->check.status >= HCHK_STATUS_CHECKED)
+ field = mkf_u64(FN_DURATION, MAX(sv->check.duration, 0));
+ break;
+ case ST_I_PX_CHECK_DESC:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_str(FN_OUTPUT, get_check_status_description(sv->check.status));
+ break;
+ case ST_I_PX_LAST_CHK:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_str(FN_OUTPUT, sv->check.desc);
+ break;
+ case ST_I_PX_CHECK_RISE:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.rise);
+ break;
+ case ST_I_PX_CHECK_FALL:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.fall);
+ break;
+ case ST_I_PX_CHECK_HEALTH:
+ if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.health);
+ break;
+ case ST_I_PX_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 "* "
+ field = mkf_str(FN_OUTPUT, fld_chksts);
+ }
+ break;
+ case ST_I_PX_AGENT_CODE:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
+ (sv->agent.status >= HCHK_STATUS_L57DATA))
+ field = mkf_u32(FN_OUTPUT, sv->agent.code);
+ break;
+ case ST_I_PX_AGENT_DURATION:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u64(FN_DURATION, sv->agent.duration);
+ break;
+ case ST_I_PX_AGENT_DESC:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_str(FN_OUTPUT, get_check_status_description(sv->agent.status));
+ break;
+ case ST_I_PX_LAST_AGT:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_str(FN_OUTPUT, sv->agent.desc);
+ break;
+ case ST_I_PX_AGENT_RISE:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.rise);
+ break;
+ case ST_I_PX_AGENT_FALL:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.fall);
+ break;
+ case ST_I_PX_AGENT_HEALTH:
+ if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.health);
+ break;
+ case ST_I_PX_QTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(sv->counters.q_time, srv_samples_window));
+ break;
+ case ST_I_PX_CTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(sv->counters.c_time, srv_samples_window));
+ break;
+ case ST_I_PX_RTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(sv->counters.d_time, srv_samples_window));
+ break;
+ case ST_I_PX_TTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(sv->counters.t_time, srv_samples_window));
+ break;
+ case ST_I_PX_QT_MAX:
+ field = mkf_u32(FN_MAX, sv->counters.qtime_max);
+ break;
+ case ST_I_PX_CT_MAX:
+ field = mkf_u32(FN_MAX, sv->counters.ctime_max);
+ break;
+ case ST_I_PX_RT_MAX:
+ field = mkf_u32(FN_MAX, sv->counters.dtime_max);
+ break;
+ case ST_I_PX_TT_MAX:
+ field = mkf_u32(FN_MAX, sv->counters.ttime_max);
+ break;
+ case ST_I_PX_ADDR:
+ if (flags & STAT_F_SHLGNDS) {
+ switch (addr_to_str(&sv->addr, str, sizeof(str))) {
+ case AF_INET:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "%s:%d", str, sv->svc_port);
+ break;
+ case AF_INET6:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_appendf(out, "[%s]:%d", str, sv->svc_port);
+ break;
+ case AF_UNIX:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
+ break;
+ case -1:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
+ chunk_strcat(out, strerror(errno));
+ break;
+ default: /* address family not supported */
+ break;
+ }
+ }
+ break;
+ case ST_I_PX_COOKIE:
+ if (flags & STAT_F_SHLGNDS && sv->cookie)
+ field = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, sv->cookie);
+ break;
+ default:
+ /* not used for servers. If a specific field
+ * is requested, return an error. Otherwise continue.
+ */
+ if (index)
+ return 0;
+ continue;
+ }
+ }
+ line[i] = field;
+ if (index)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a line for server <sv> and proxy <px> to chunk ctx buffer and uses the
+ * state from stream connector <sc>, and server state <state>. The caller is
+ * responsible for clearing the chunk ctx buffer if needed. Returns non-zero if
+ * it emits anything, zero otherwise.
+ */
+static int stats_dump_sv_line(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 *line = stat_lines[STATS_DOMAIN_PROXY];
+ size_t stats_count = ST_I_PX_MAX;
+
+ memset(line, 0, sizeof(struct field) * stat_cols_len[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_sv_line(px, sv, ctx->flags, line,
+ ST_I_PX_MAX, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ void *counters;
+
+ if (ctx->flags & STAT_F_FMT_FILE)
+ continue;
+
+ 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);
+ if (!mod->fill_stats(counters, line + stats_count, NULL))
+ continue;
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(line, stats_count, appctx);
+}
+
+/* Helper to compute srv values for a given backend
+ */
+static void stats_fill_be_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 <line> with the backend statistics. <line> is preallocated array of
+ * length <len>. If <index> is != NULL, only fill this one. The length
+ * of the array must be at least ST_I_PX_MAX. If this length is less than
+ * this value, or if the selected field is not implemented for backends, the
+ * function returns 0, otherwise, it returns 1. <flags> can take the value
+ * STAT_F_SHLGNDS.
+ */
+int stats_fill_be_line(struct proxy *px, int flags, struct field *line, int len,
+ enum stat_idx_px *index)
+{
+ enum stat_idx_px i = index ? *index : 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_I_PX_MAX)
+ 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 (!index || *index == ST_I_PX_STATUS ||
+ *index == ST_I_PX_UWEIGHT)
+ stats_fill_be_computesrv(px, &nbup, &nbsrv, &totuw);
+
+ /* same here but specific to time fields */
+ if (!index || *index == ST_I_PX_QTIME ||
+ *index == ST_I_PX_CTIME || *index == ST_I_PX_RTIME ||
+ *index == ST_I_PX_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 (; i < ST_I_PX_MAX; i++) {
+ const struct stat_col *col = &stat_cols_px[i];
+ struct field field = { 0 };
+
+ if (stcol_is_generic(col)) {
+ field = me_generate_field(col, i, &px->obj_type,
+ &px->be_counters, STATS_PX_CAP_BE,
+ flags & STAT_F_FMT_FILE);
+ }
+ else if (!(flags & STAT_F_FMT_FILE)) {
+ switch (i) {
+ case ST_I_PX_PXNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
+ break;
+ case ST_I_PX_SVNAME:
+ field = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "BACKEND");
+ break;
+ case ST_I_PX_MODE:
+ field = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
+ break;
+ case ST_I_PX_QCUR:
+ field = mkf_u32(0, px->queue.length);
+ break;
+ case ST_I_PX_QMAX:
+ field = mkf_u32(FN_MAX, px->be_counters.nbpend_max);
+ break;
+ case ST_I_PX_SCUR:
+ field = mkf_u32(0, px->beconn);
+ break;
+ case ST_I_PX_SMAX:
+ field = mkf_u32(FN_MAX, px->be_counters.conn_max);
+ break;
+ case ST_I_PX_SLIM:
+ field = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn);
+ break;
+ case ST_I_PX_STATUS:
+ fld = chunk_newstr(out);
+ chunk_appendf(out, "%s", (px->lbprm.tot_weight > 0 || !px->srv) ? "UP" : "DOWN");
+ if (flags & (STAT_F_HIDE_MAINT|STAT_F_HIDE_DOWN))
+ chunk_appendf(out, " (%d/%d)", nbup, nbsrv);
+ field = mkf_str(FO_STATUS, fld);
+ break;
+ case ST_I_PX_AGG_SRV_CHECK_STATUS: // DEPRECATED
+ case ST_I_PX_AGG_SRV_STATUS:
+ field = mkf_u32(FN_GAUGE, 0);
+ break;
+ case ST_I_PX_AGG_CHECK_STATUS:
+ field = mkf_u32(FN_GAUGE, 0);
+ break;
+ case ST_I_PX_WEIGHT:
+ field = mkf_u32(FN_AVG, (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
+ break;
+ case ST_I_PX_UWEIGHT:
+ field = mkf_u32(FN_AVG, totuw);
+ break;
+ case ST_I_PX_ACT:
+ field = mkf_u32(0, px->srv_act);
+ break;
+ case ST_I_PX_BCK:
+ field = mkf_u32(0, px->srv_bck);
+ break;
+ case ST_I_PX_DOWNTIME:
+ if (px->srv)
+ field = mkf_u32(FN_COUNTER, be_downtime(px));
+ break;
+ case ST_I_PX_PID:
+ field = mkf_u32(FO_KEY, 1);
+ break;
+ case ST_I_PX_IID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
+ break;
+ case ST_I_PX_SID:
+ field = mkf_u32(FO_KEY|FS_SERVICE, 0);
+ break;
+ case ST_I_PX_TYPE:
+ field = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_BE);
+ break;
+ case ST_I_PX_RATE_MAX:
+ field = mkf_u32(0, px->be_counters.sps_max);
+ break;
+ case ST_I_PX_COOKIE:
+ if (flags & STAT_F_SHLGNDS && px->cookie_name)
+ field = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, px->cookie_name);
+ break;
+ case ST_I_PX_ALGO:
+ if (flags & STAT_F_SHLGNDS)
+ field = mkf_str(FO_CONFIG|FS_SERVICE, backend_lb_algo_str(px->lbprm.algo & BE_LB_ALGO));
+ break;
+ case ST_I_PX_QTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(px->be_counters.q_time, be_samples_window));
+ break;
+ case ST_I_PX_CTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(px->be_counters.c_time, be_samples_window));
+ break;
+ case ST_I_PX_RTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(px->be_counters.d_time, be_samples_window));
+ break;
+ case ST_I_PX_TTIME:
+ field = mkf_u32(FN_AVG, swrate_avg(px->be_counters.t_time, be_samples_window));
+ break;
+ case ST_I_PX_QT_MAX:
+ field = mkf_u32(FN_MAX, px->be_counters.qtime_max);
+ break;
+ case ST_I_PX_CT_MAX:
+ field = mkf_u32(FN_MAX, px->be_counters.ctime_max);
+ break;
+ case ST_I_PX_RT_MAX:
+ field = mkf_u32(FN_MAX, px->be_counters.dtime_max);
+ break;
+ case ST_I_PX_TT_MAX:
+ field = mkf_u32(FN_MAX, px->be_counters.ttime_max);
+ break;
+ default:
+ /* not used for backends. If a specific field
+ * is requested, return an error. Otherwise continue.
+ */
+ if (index)
+ return 0;
+ continue;
+ }
+ }
+ line[i] = field;
+ if (index)
+ break;
+ }
+ return 1;
+}
+
+/* Dumps a line for backend <px> to chunk ctx buffer and uses the state from
+ * stream interface <si>. The caller is responsible for clearing chunk buffer
+ * if needed. Returns non-zero if it emits anything, zero otherwise.
+ */
+static int stats_dump_be_line(struct stconn *sc, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct field *line = stat_lines[STATS_DOMAIN_PROXY];
+ struct stats_module *mod;
+ size_t stats_count = ST_I_PX_MAX;
+
+ if (!(px->cap & PR_CAP_BE))
+ return 0;
+
+ if ((ctx->flags & STAT_F_BOUND) && !(ctx->type & (1 << STATS_TYPE_BE)))
+ return 0;
+
+ memset(line, 0, sizeof(struct field) * stat_cols_len[STATS_DOMAIN_PROXY]);
+
+ if (!stats_fill_be_line(px, ctx->flags, line, ST_I_PX_MAX, NULL))
+ return 0;
+
+ list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
+ struct extra_counters *counters;
+
+ if (ctx->flags & STAT_F_FMT_FILE)
+ continue;
+
+ 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);
+ if (!mod->fill_stats(counters, line + stats_count, NULL))
+ continue;
+ stats_count += mod->stats_count;
+ }
+
+ return stats_dump_one_line(line, stats_count, appctx);
+}
+
+/*
+ * 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.
+ */
+static int stats_dump_proxy_to_buffer(struct stconn *sc, struct buffer *buf,
+ struct htx *htx, struct proxy *px)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct buffer *chk = &ctx->chunk;
+ 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(chk);
+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);
+
+ if (strnistr(px->id, strlen(px->id), scope_ptr, ctx->scope_len) == NULL)
+ return 1;
+ }
+
+ if ((ctx->flags & STAT_F_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_F_FMT_HTML) {
+ stats_dump_html_px_hdr(sc, px);
+ if (!stats_putchk(appctx, buf, htx))
+ goto full;
+ }
+
+ ctx->px_st = STAT_PX_ST_FE;
+ __fallthrough;
+
+ case STAT_PX_ST_FE:
+ /* print the frontend */
+ if (stats_dump_fe_line(sc, px)) {
+ if (!stats_putchk(appctx, buf, htx))
+ goto full;
+ ctx->flags |= STAT_F_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 (stats_is_full(appctx, buf, htx))
+ goto full;
+
+ l = LIST_ELEM(ctx->obj2, struct listener *, by_fe);
+ if (!l->counters)
+ continue;
+
+ if (ctx->flags & STAT_F_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_line(sc, px, l)) {
+ if (!stats_putchk(appctx, buf, htx))
+ goto full;
+ ctx->flags |= STAT_F_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 (stats_is_full(appctx, buf, htx))
+ goto full;
+
+ if (ctx->flags & STAT_F_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_F_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_F_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_line(sc, px, sv)) {
+ if (!stats_putchk(appctx, buf, htx))
+ goto full;
+ ctx->flags |= STAT_F_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_line(sc, px)) {
+ if (!stats_putchk(appctx, buf, htx))
+ goto full;
+ ctx->flags |= STAT_F_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_F_FMT_HTML) {
+ stats_dump_html_px_end(sc, px);
+ if (!stats_putchk(appctx, buf, 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;
+}
+
+/* Uses <appctx.ctx.stats.obj1> as a pointer to the current proxy and <obj2> as
+ * a pointer to the current server/listener.
+ */
+int stats_dump_proxies(struct stconn *sc, struct buffer *buf, struct htx *htx)
+{
+ struct appctx *appctx = __sc_appctx(sc);
+ struct show_stat_ctx *ctx = appctx->svcctx;
+ struct proxy *px;
+
+ /* dump proxies */
+ while (ctx->obj1) {
+ if (stats_is_full(appctx, buf, htx))
+ 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, buf, htx, px) == 0)
+ return 0;
+ }
+
+ ctx->obj1 = px->next;
+ ctx->px_st = STAT_PX_ST_INIT;
+ ctx->field = 0;
+ }
+
+ return 1;
+
+ full:
+ return 0;
+}
+
+void proxy_stats_clear_counters(int clrall, struct list *stat_modules)
+{
+ struct proxy *px;
+ struct server *sv;
+ struct listener *li;
+ struct stats_module *mod;
+
+ 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;
+ }
+ }
+
+ list_for_each_entry(mod, stat_modules, 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);
+ }
+ }
+ }
+ }
+}