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7d0aaf39d1
It's very annoying that frontend and backend stats are merged because we don't know what we're observing. For instance, if a "listen" instance makes use of a distinct backend, it's impossible to know what the bytes_out means. Some points take care of not updating counters twice if the backend points to the frontend, indicating a "listen" instance. The thing becomes more complex when we try to add support for server side keep-alive, because we have to maintain a pointer to the backend used for last request, and to update its stats. But we can't perform such comparisons anymore because the counters will not match anymore. So in order to get rid of this situation, let's have both frontend AND backend stats in the "struct proxy". We simply update the relevant ones during activity. Some of them are only accounted for in the backend, while others are just for frontend. Maybe we can improve a bit on that later, but the essential part is that those counters now reflect what they really mean.
108 lines
5 KiB
C
108 lines
5 KiB
C
/*
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* include/types/counters.h
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* This file contains structure declarations for statistics counters.
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*
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* Copyright 2008-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
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* Copyright 2011 Willy Tarreau <w@1wt.eu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _TYPES_COUNTERS_H
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#define _TYPES_COUNTERS_H
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/* maybe later we might thing about having a different struct for FE and BE */
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struct pxcounters {
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unsigned int conn_max; /* max # of active sessions */
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long long cum_conn; /* cumulated number of received connections */
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long long cum_sess; /* cumulated number of accepted connections */
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long long cum_lbconn; /* cumulated number of sessions processed by load balancing (BE only) */
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unsigned int cps_max; /* maximum of new connections received per second */
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unsigned int sps_max; /* maximum of new connections accepted per second (sessions) */
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unsigned int nbpend_max; /* max number of pending connections with no server assigned yet (BE only) */
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long long bytes_in; /* number of bytes transferred from the client to the server */
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long long bytes_out; /* number of bytes transferred from the server to the client */
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long long denied_req; /* blocked requests/responses because of security concerns */
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long long denied_resp; /* blocked requests/responses because of security concerns */
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long long failed_req; /* failed requests (eg: invalid or timeout) */
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long long denied_conn; /* denied connection requests (tcp-req rules) */
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long long failed_conns; /* failed connect() attempts (BE only) */
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long long failed_resp; /* failed responses (BE only) */
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long long cli_aborts; /* aborted responses during DATA phase caused by the client */
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long long srv_aborts; /* aborted responses during DATA phase caused by the server */
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long long retries; /* retried and redispatched connections (BE only) */
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long long redispatches; /* retried and redispatched connections (BE only) */
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union {
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struct {
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long long cum_req; /* cumulated number of processed HTTP requests */
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unsigned int rps_max; /* maximum of new HTTP requests second observed */
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long long rsp[6]; /* http response codes */
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} http;
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} p; /* protocol-specific stats */
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};
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struct licounters {
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unsigned int conn_max; /* max # of active listener sessions */
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long long cum_conn; /* cumulated number of received connections */
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long long cum_sess; /* cumulated number of accepted sessions */
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long long bytes_in; /* number of bytes transferred from the client to the server */
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long long bytes_out; /* number of bytes transferred from the server to the client */
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long long denied_req, denied_resp; /* blocked requests/responses because of security concerns */
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long long failed_req; /* failed requests (eg: invalid or timeout) */
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long long denied_conn; /* denied connection requests (tcp-req rules) */
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};
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struct srvcounters {
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unsigned int cur_sess_max; /* max number of currently active sessions */
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unsigned int nbpend_max; /* max number of pending connections reached */
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unsigned int sps_max; /* maximum of new sessions per second seen on this server */
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long long cum_sess; /* cumulated number of sessions really sent to this server */
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long long cum_lbconn; /* cumulated number of sessions directed by load balancing */
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long long bytes_in; /* number of bytes transferred from the client to the server */
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long long bytes_out; /* number of bytes transferred from the server to the client */
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long long failed_conns, failed_resp; /* failed connect() and responses */
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long long cli_aborts, srv_aborts; /* aborted responses during DATA phase due to client or server */
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long long retries, redispatches; /* retried and redispatched connections */
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long long failed_secu; /* blocked responses because of security concerns */
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union {
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struct {
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long long rsp[6]; /* http response codes */
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} http;
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} p;
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long long failed_checks, failed_hana; /* failed health checks and health analyses */
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long long down_trans; /* up->down transitions */
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};
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#endif /* _TYPES_COUNTERS_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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