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kamailio/sctp_stats.c

124 lines
3.5 KiB

/*
* $Id$
*
* Copyright (C) 2010 iptelorg GmbH
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/** sctp statistics.
* @file sctp_stats.c
* @ingroup: core (sctp)
*/
/*
* History:
* --------
* 2010-08-09 initial version (andrei)
*/
#ifdef USE_SCTP
#include "sctp_stats.h"
#ifdef USE_SCTP_STATS
#include "counters.h"
#include "sctp_server.h"
struct sctp_counters_h sctp_cnts_h;
enum sctp_info_req { SCTP_INFO_NONE, SCTP_INFO_CONN_NO, SCTP_INFO_TRACKED_NO };
static counter_val_t sctp_info(counter_handle_t h, void* what);
/* sctp counters definitions */
counter_def_t sctp_cnt_defs[] = {
{&sctp_cnts_h.established, "established", 0, 0, 0,
"incremented each time a new association is established."},
{&sctp_cnts_h.connect_failed, "connect_failed", 0, 0, 0,
"incremented each time a new outgoing connection fails."},
{&sctp_cnts_h.local_reject, "local_reject", 0, 0, 0,
"number of rejected incoming connections."},
{&sctp_cnts_h.remote_shutdown, "remote_shutdown", 0, 0, 0,
"incremented each time an association is closed by the peer."},
{&sctp_cnts_h.assoc_shutdown, "assoc_shutdown", 0, 0, 0,
"incremented each time an association is shutdown."},
{&sctp_cnts_h.comm_lost, "comm_lost", 0, 0, 0,
"incremented each time an established connection is close due to"
"some error."},
{&sctp_cnts_h.sendq_full, "sendq_full", 0, 0, 0,
"number of failed send attempt due to exceeded buffering capacity"
" (full kernel buffers)."},
{&sctp_cnts_h.send_failed, "send_failed", 0, 0, 0,
"number of failed send attempt for any reason except full buffers."},
{&sctp_cnts_h.send_force_retry, "send_force_retry", 0, 0, 0,
"incremented each time a failed send is force-retried"
"(possible only if sctp_send_retries ! = 0"},
{0, "current_opened_connections", 0,
sctp_info, (void*)(long)SCTP_INFO_CONN_NO,
"number of currently opened associations."},
{0, "current_tracked_connections", 0,
sctp_info, (void*)(long)SCTP_INFO_TRACKED_NO,
"number of currently tracked associations."},
{0, 0, 0, 0, 0, 0 }
};
/** helper function for some stats (which are kept internally inside sctp).
*/
static counter_val_t sctp_info(counter_handle_t h, void* what)
{
enum sctp_info_req w;
struct sctp_gen_info i;
if (sctp_disable)
return 0;
w = (int)(long)what;
sctp_get_info(&i);
switch(w) {
case SCTP_INFO_CONN_NO:
return i.sctp_connections_no;
case SCTP_INFO_TRACKED_NO:
return i.sctp_tracked_no;
case SCTP_INFO_NONE:
break;
};
return 0;
}
/** intialize sctp statistics.
* Must be called before forking.
* @return < 0 on errror, 0 on success.
*/
int sctp_stats_init()
{
if (counter_register_array("sctp", sctp_cnt_defs) < 0)
goto error;
return 0;
error:
return -1;
}
void sctp_stats_destroy()
{
/* do nothing */
}
#endif /* USE_SCTP_STATS */
#endif /* USE_SCTP */
/* vi: set ts=4 sw=4 tw=79:ai:cindent: */