diff options
Diffstat (limited to '')
| -rw-r--r-- | src/stats-proxy.c | 1686 |
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); + } + } + } + } +} |