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/*
* Copyright (c) 2002-2013 Balabit
* Copyright (c) 1998-2013 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "msg-stats.h"
#include "syslog-names.h"
#include "logmsg/logmsg.h"
#include "apphook.h"
/* Static counters for severities and facilities */
/* LOG_DEBUG 0x7 */
#define SEVERITY_MAX (0x7 + 1)
/* LOG_LOCAL7 23<<3, one additional slot for "everything-else" counter */
#define FACILITY_MAX (23 + 1 + 1)
static StatsCounterItem *severity_counters[SEVERITY_MAX];
static StatsCounterItem *facility_counters[FACILITY_MAX];
static void
_process_message_pri(guint16 pri)
{
int lpri = SYSLOG_FAC(pri);
stats_counter_inc(severity_counters[SYSLOG_PRI(pri)]);
if (lpri > (FACILITY_MAX - 1))
{
/* the large facilities (=facility.other) are collected in the last array item */
lpri = FACILITY_MAX - 1;
}
stats_counter_inc(facility_counters[lpri]);
}
void
msg_stats_update_counters(const gchar *source_id, const LogMessage *msg)
{
if (stats_syslog_stats() == CYNA_YES
|| (stats_syslog_stats() == CYNA_AUTO && stats_check_level(2)))
{
stats_lock();
StatsClusterKey sc_key;
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_HOST | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_HOST, NULL) );
stats_register_and_increment_dynamic_counter(0, &sc_key, msg->timestamps[LM_TS_RECVD].ut_sec);
if (stats_syslog_stats() == CYNA_YES
|| (stats_syslog_stats() == CYNA_AUTO && stats_check_level(3)))
{
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_SENDER | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_HOST_FROM,
NULL) );
stats_register_and_increment_dynamic_counter(0, &sc_key, msg->timestamps[LM_TS_RECVD].ut_sec);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_PROGRAM | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_PROGRAM,
NULL) );
stats_register_and_increment_dynamic_counter(0, &sc_key, msg->timestamps[LM_TS_RECVD].ut_sec);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_HOST | SCS_SOURCE, source_id, log_msg_get_value(msg, LM_V_HOST,
NULL));
stats_register_and_increment_dynamic_counter(0, &sc_key, msg->timestamps[LM_TS_RECVD].ut_sec);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_SENDER | SCS_SOURCE, source_id, log_msg_get_value(msg, LM_V_HOST_FROM,
NULL));
stats_register_and_increment_dynamic_counter(0, &sc_key, msg->timestamps[LM_TS_RECVD].ut_sec);
}
stats_unlock();
}
_process_message_pri(msg->pri);
}
static void
stats_syslog_reinit(void)
{
gchar name[11] = "";
gint i;
StatsClusterKey sc_key;
stats_lock();
if (stats_syslog_stats() == CYNA_YES
|| (stats_syslog_stats() == CYNA_AUTO && stats_check_level(3)))
{
/* we need these counters, register them */
for (i = 0; i < SEVERITY_MAX; i++)
{
g_snprintf(name, sizeof(name), "%d", i);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_SEVERITY | SCS_SOURCE, NULL, name );
stats_register_counter(0, &sc_key, SC_TYPE_PROCESSED, &severity_counters[i]);
}
for (i = 0; i < FACILITY_MAX - 1; i++)
{
g_snprintf(name, sizeof(name), "%d", i);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_FACILITY | SCS_SOURCE, NULL, name );
stats_register_counter(0, &sc_key, SC_TYPE_PROCESSED, &facility_counters[i]);
}
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_FACILITY | SCS_SOURCE, NULL, "other" );
stats_register_counter(0, &sc_key, SC_TYPE_PROCESSED, &facility_counters[FACILITY_MAX - 1]);
}
else
{
/* no need for facility/severity counters, unregister them */
for (i = 0; i < SEVERITY_MAX; i++)
{
g_snprintf(name, sizeof(name), "%d", i);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_SEVERITY | SCS_SOURCE, NULL, name );
stats_unregister_counter(&sc_key, SC_TYPE_PROCESSED, &severity_counters[i]);
}
for (i = 0; i < FACILITY_MAX - 1; i++)
{
g_snprintf(name, sizeof(name), "%d", i);
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_FACILITY | SCS_SOURCE, NULL, name );
stats_unregister_counter(&sc_key, SC_TYPE_PROCESSED, &facility_counters[i]);
}
stats_cluster_logpipe_key_legacy_set(&sc_key, SCS_FACILITY | SCS_SOURCE, NULL, "other" );
stats_unregister_counter(&sc_key, SC_TYPE_PROCESSED, &facility_counters[FACILITY_MAX - 1]);
}
stats_unlock();
}
void
msg_stats_init(void)
{
register_application_hook(AH_CONFIG_CHANGED, (ApplicationHookFunc) stats_syslog_reinit, NULL, AHM_RUN_REPEAT);
}
void
msg_stats_deinit(void)
{
}
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