haproxy/src/stats-proxy.c
Willy Tarreau d24768ab44 MINOR: protocol: create abnsz socket address family
For now it's the same as abns. We'll need to modify sock_unix_addrcmp(),
and a few other ones to support effective path length when dealing with
the \0. Let's check with Tristan's patch for this (upcoming patch).

Co-authored-by: Aurelien DARRAGON <adarragon@haproxy.com>
2024-10-29 12:14:50 +01:00

1691 lines
67 KiB
C

#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/spop)" },
[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 split 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:
case AF_CUST_ABNS:
case AF_CUST_ABNSZ:
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:
case AF_CUST_ABNS:
case AF_CUST_ABNSZ:
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);
}
}
}
}
}