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124 lines
3.6 KiB
124 lines
3.6 KiB
/*
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* Copyright (C) 2009 iptelorg GmbH
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*! \file
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* \brief Kamailio core :: tcp_stats.h - tcp statistics macros
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* \ingroup core
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*/
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#ifndef __tcp_stats_h
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#define __tcp_stats_h
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/* enable tcp stats by default */
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#ifndef NO_TCP_STATS
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#define USE_TCP_STATS
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#endif
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#ifndef USE_TCP_STATS
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#define INIT_TCP_STATS() 0 /* success */
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#define DESTROY_TCP_STATS()
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#define TCP_STATS_ESTABLISHED(state)
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#define TCP_STATS_CONNECT_FAILED()
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#define TCP_STATS_LOCAL_REJECT()
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#define TCP_STATS_CON_TIMEOUT()
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#define TCP_STATS_CON_RESET()
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#define TCP_STATS_SEND_TIMEOUT()
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#define TCP_STATS_SENDQ_FULL()
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#else /* USE_TCP_STATS */
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#include "counters.h"
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struct tcp_counters_h {
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counter_handle_t established;
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counter_handle_t passive_open;
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counter_handle_t connect_success;
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counter_handle_t connect_failed;
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counter_handle_t local_reject;
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counter_handle_t con_timeout;
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counter_handle_t con_reset;
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counter_handle_t send_timeout;
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counter_handle_t sendq_full;
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};
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extern struct tcp_counters_h tcp_cnts_h;
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int tcp_stats_init(void);
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void tcp_stats_destroy(void);
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#define INIT_TCP_STATS() tcp_stats_init()
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#define DESTROY_TCP_STATS() tcp_stats_destroy()
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/** called each time a new tcp connection is established.
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* @param state - S_CONN_ACCEPT if it was the result of an accept()
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* - S_CONN_CONNECT if it was the result of a connect()
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* Note: in general it will be called when the first packet was received or
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* sent on the new connection and not immediately after accept() or
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* connect()
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*/
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#define TCP_STATS_ESTABLISHED(state) \
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do { \
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counter_inc(tcp_cnts_h.established); \
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if (state == S_CONN_ACCEPT) \
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counter_inc(tcp_cnts_h.passive_open); \
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else \
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counter_inc(tcp_cnts_h.connect_success); \
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}while(0)
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/** called each time a new outgoing connection fails. */
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#define TCP_STATS_CONNECT_FAILED() \
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counter_inc(tcp_cnts_h.connect_failed)
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/** called each time a new incoming connection is rejected.
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* (accept() denied due to maximum number of TCP connections being exceeded)
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*/
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#define TCP_STATS_LOCAL_REJECT() \
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counter_inc(tcp_cnts_h.local_reject)
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/** called each time a connection lifetime expires.
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* (the connection is closed for being idle for too long)
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*/
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#define TCP_STATS_CON_TIMEOUT() \
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counter_inc(tcp_cnts_h.con_timeout)
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/** called each time a TCP RST is received on an established connection. */
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#define TCP_STATS_CON_RESET() \
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counter_inc(tcp_cnts_h.con_reset)
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/** called each time a send operation fails due to a timeout.
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* FIXME: it works only in async mode (in sync. mode a send might timeout
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* but the stats won't be increased).
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*/
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#define TCP_STATS_SEND_TIMEOUT() \
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counter_inc(tcp_cnts_h.send_timeout)
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/** called each time a send fails due to the buffering capacity being exceeded.
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* (used only in tcp async mode)
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*/
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#define TCP_STATS_SENDQ_FULL() \
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counter_inc(tcp_cnts_h.sendq_full)
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#endif /* USE_TCP_STATS */
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#endif /*__tcp_stats_h*/
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/* vi: set ts=4 sw=4 tw=79:ai:cindent: */
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