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/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "ogs-diameter-common.h"
static struct ogs_diam_logger_t self;
static struct fd_hook_hdl *logger_hdl = NULL;
static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
static pthread_t fd_stats_th = (pthread_t)NULL;
static ogs_diam_logger_user_handler user_handler = NULL;
static void ogs_diam_logger_cb(enum fd_hook_type type, struct msg * msg,
struct peer_hdr * peer, void * other, struct fd_hook_permsgdata *pmd,
void * regdata);
static void * diam_stats_worker(void * arg);
int ogs_diam_logger_init(int mode)
{
uint32_t mask_peers = HOOK_MASK( HOOK_PEER_CONNECT_SUCCESS );
memset(&self, 0, sizeof(struct ogs_diam_logger_t));
self.mode = mode;
self.duration = 60; /* 60 seconds */
CHECK_FCT( fd_hook_register(
mask_peers, ogs_diam_logger_cb, NULL, NULL, &logger_hdl) );
CHECK_POSIX( pthread_mutex_init(&self.stats_lock, NULL) );
return 0;
}
void ogs_diam_logger_final()
{
CHECK_FCT_DO( fd_thr_term(&fd_stats_th), );
CHECK_POSIX_DO( pthread_mutex_destroy(&self.stats_lock), );
if (logger_hdl) { CHECK_FCT_DO( fd_hook_unregister( logger_hdl ), ); }
}
struct ogs_diam_logger_t* ogs_diam_logger_self()
{
return &self;
}
int ogs_diam_logger_stats_start()
{
/* Start the statistics thread */
CHECK_POSIX( pthread_create(&fd_stats_th, NULL, diam_stats_worker, NULL) );
return 0;
}
void ogs_diam_logger_register(ogs_diam_logger_user_handler instance)
{
user_handler = instance;
}
void ogs_diam_logger_unregister(void)
{
user_handler = NULL;
}
/* The callback called when messages are received and sent */
static void ogs_diam_logger_cb(enum fd_hook_type type, struct msg * msg,
struct peer_hdr * peer, void * other, struct fd_hook_permsgdata *pmd,
void * regdata)
{
const char * peer_name = peer ? peer->info.pi_diamid : "<unknown peer>";
CHECK_POSIX_DO( pthread_mutex_lock(&mtx), );
if (user_handler)
{
user_handler(type, msg, peer, other, pmd, regdata);
}
switch (type) {
/* peers */
case HOOK_PEER_CONNECT_SUCCESS:
{
char protobuf[40];
if (peer) {
CHECK_FCT_DO(fd_peer_cnx_proto_info(peer, protobuf, sizeof(protobuf)), break );
} else {
protobuf[0] = '-';
protobuf[1] = '\0';
}
ogs_info("CONNECTED TO '%s' (%s):", peer_name, protobuf);
}
break;
default:
ogs_warn("Unknown type(%d)", type);
break;
}
CHECK_POSIX_DO( pthread_mutex_unlock(&mtx), );
}
/* Function to display statistics periodically */
static void * diam_stats_worker(void * arg)
{
struct timespec start, now;
struct fd_stats copy;
/* Get the start time */
CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &start), );
/* Now, loop until canceled */
while (1) {
/* Display statistics every XX seconds */
sleep(self.duration);
/* Now, get the current stats */
CHECK_POSIX_DO( pthread_mutex_lock(&self.stats_lock), );
memcpy(©, &self.stats, sizeof(struct fd_stats));
CHECK_POSIX_DO( pthread_mutex_unlock(&self.stats_lock), );
/* Get the current execution time */
CHECK_SYS_DO( clock_gettime(CLOCK_REALTIME, &now), );
/* Now, display everything */
ogs_trace("------- fd statistics ---------");
if (now.tv_nsec >= start.tv_nsec)
{
ogs_trace(" Executing for: %d.%06ld sec",
(int)(now.tv_sec - start.tv_sec),
(long)(now.tv_nsec - start.tv_nsec) / 1000);
}
else
{
ogs_trace(" Executing for: %d.%06ld sec",
(int)(now.tv_sec - 1 - start.tv_sec),
(long)(now.tv_nsec + 1000000000 - start.tv_nsec) / 1000);
}
if (self.mode & FD_MODE_SERVER) {
ogs_trace(" Server: %llu message(s) echoed",
copy.nb_echoed);
}
if (self.mode & FD_MODE_CLIENT) {
ogs_trace(" Client:");
ogs_trace(" %llu message(s) sent", copy.nb_sent);
ogs_trace(" %llu error(s) received", copy.nb_errs);
ogs_trace(" %llu answer(s) received", copy.nb_recv);
ogs_trace(" fastest: %ld.%06ld sec.",
copy.shortest / 1000000, copy.shortest % 1000000);
ogs_trace(" slowest: %ld.%06ld sec.",
copy.longest / 1000000, copy.longest % 1000000);
ogs_trace(" Average: %ld.%06ld sec.",
copy.avg / 1000000, copy.avg % 1000000);
}
ogs_trace("-------------------------------------");
}
return NULL; /* never called */
}
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