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124 lines
3.5 KiB
124 lines
3.5 KiB
/*
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* $Id$
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*
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* Copyright (C) 2010 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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/** sctp statistics.
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* @file sctp_stats.c
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* @ingroup: core (sctp)
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*/
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/*
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* History:
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* --------
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* 2010-08-09 initial version (andrei)
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*/
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#ifdef USE_SCTP
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#include "sctp_stats.h"
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#ifdef USE_SCTP_STATS
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#include "counters.h"
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#include "sctp_server.h"
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struct sctp_counters_h sctp_cnts_h;
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enum sctp_info_req { SCTP_INFO_NONE, SCTP_INFO_CONN_NO, SCTP_INFO_TRACKED_NO };
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static counter_val_t sctp_info(counter_handle_t h, void* what);
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/* sctp counters definitions */
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counter_def_t sctp_cnt_defs[] = {
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{&sctp_cnts_h.established, "established", 0, 0, 0,
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"incremented each time a new association is established."},
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{&sctp_cnts_h.connect_failed, "connect_failed", 0, 0, 0,
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"incremented each time a new outgoing connection fails."},
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{&sctp_cnts_h.local_reject, "local_reject", 0, 0, 0,
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"number of rejected incoming connections."},
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{&sctp_cnts_h.remote_shutdown, "remote_shutdown", 0, 0, 0,
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"incremented each time an association is closed by the peer."},
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{&sctp_cnts_h.assoc_shutdown, "assoc_shutdown", 0, 0, 0,
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"incremented each time an association is shutdown."},
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{&sctp_cnts_h.comm_lost, "comm_lost", 0, 0, 0,
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"incremented each time an established connection is close due to"
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"some error."},
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{&sctp_cnts_h.sendq_full, "sendq_full", 0, 0, 0,
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"number of failed send attempt due to exceeded buffering capacity"
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" (full kernel buffers)."},
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{&sctp_cnts_h.send_failed, "send_failed", 0, 0, 0,
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"number of failed send attempt for any reason except full buffers."},
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{&sctp_cnts_h.send_force_retry, "send_force_retry", 0, 0, 0,
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"incremented each time a failed send is force-retried"
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"(possible only if sctp_send_retries ! = 0"},
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{0, "current_opened_connections", 0,
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sctp_info, (void*)(long)SCTP_INFO_CONN_NO,
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"number of currently opened associations."},
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{0, "current_tracked_connections", 0,
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sctp_info, (void*)(long)SCTP_INFO_TRACKED_NO,
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"number of currently tracked associations."},
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{0, 0, 0, 0, 0, 0 }
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};
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/** helper function for some stats (which are kept internally inside sctp).
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*/
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static counter_val_t sctp_info(counter_handle_t h, void* what)
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{
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enum sctp_info_req w;
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struct sctp_gen_info i;
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if (sctp_disable)
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return 0;
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w = (int)(long)what;
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sctp_get_info(&i);
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switch(w) {
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case SCTP_INFO_CONN_NO:
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return i.sctp_connections_no;
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case SCTP_INFO_TRACKED_NO:
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return i.sctp_tracked_no;
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case SCTP_INFO_NONE:
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break;
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};
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return 0;
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}
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/** intialize sctp statistics.
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* Must be called before forking.
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* @return < 0 on errror, 0 on success.
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*/
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int sctp_stats_init()
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{
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if (counter_register_array("sctp", sctp_cnt_defs) < 0)
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goto error;
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return 0;
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error:
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return -1;
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}
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void sctp_stats_destroy()
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{
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/* do nothing */
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}
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#endif /* USE_SCTP_STATS */
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#endif /* USE_SCTP */
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/* vi: set ts=4 sw=4 tw=79:ai:cindent: */
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