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/* $Id$ */
/*
* Copyright (C)2003-2007 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "test.h"
#include <pjlib.h>
static pj_atomic_t *total_bytes;
static int worker_thread(void *arg)
{
pj_sock_t sock = (pj_sock_t)arg;
char buf[512];
pj_status_t last_recv_err = PJ_SUCCESS, last_write_err = PJ_SUCCESS;
for (;;) {
pj_ssize_t len;
pj_status_t rc;
pj_sockaddr_in addr;
int addrlen;
len = sizeof(buf);
addrlen = sizeof(addr);
rc = pj_sock_recvfrom(sock, buf, &len, 0, &addr, &addrlen);
if (rc != 0) {
if (rc != last_recv_err) {
app_perror("...recv error", rc);
last_recv_err = rc;
}
continue;
}
pj_atomic_add(total_bytes, len);
rc = pj_sock_sendto(sock, buf, &len, 0, &addr, addrlen);
if (rc != PJ_SUCCESS) {
if (rc != last_write_err) {
app_perror("...send error", rc);
last_write_err = rc;
}
continue;
}
}
return 0;
}
int echo_srv_sync(void)
{
pj_pool_t *pool;
pj_sock_t sock;
pj_thread_t *thread[ECHO_SERVER_MAX_THREADS];
pj_status_t rc;
int i;
pool = pj_pool_create(mem, NULL, 4000, 4000, NULL);
if (!pool)
return -5;
rc = pj_atomic_create(pool, 0, &total_bytes);
if (rc != PJ_SUCCESS) {
app_perror("...unable to create atomic_var", rc);
return -6;
}
rc = app_socket(PJ_AF_INET, PJ_SOCK_DGRAM,0, ECHO_SERVER_START_PORT, &sock);
if (rc != PJ_SUCCESS) {
app_perror("...socket error", rc);
return -10;
}
for (i=0; i<ECHO_SERVER_MAX_THREADS; ++i) {
rc = pj_thread_create(pool, NULL, &worker_thread, (void*)sock,
PJ_THREAD_DEFAULT_STACK_SIZE, 0,
&thread[i]);
if (rc != PJ_SUCCESS) {
app_perror("...unable to create thread", rc);
return -20;
}
}
PJ_LOG(3,("", "...UDP echo server running with %d threads at port %d",
ECHO_SERVER_MAX_THREADS, ECHO_SERVER_START_PORT));
PJ_LOG(3,("", "...Press Ctrl-C to abort"));
echo_srv_common_loop(total_bytes);
return 0;
}
int echo_srv_common_loop(pj_atomic_t *bytes_counter)
{
pj_highprec_t last_received, avg_bw, highest_bw;
pj_time_val last_print;
unsigned count;
const char *ioqueue_name;
last_received = 0;
pj_gettimeofday(&last_print);
avg_bw = highest_bw = 0;
count = 0;
ioqueue_name = pj_ioqueue_name();
for (;;) {
pj_highprec_t received, cur_received, bw;
unsigned msec;
pj_time_val now, duration;
pj_thread_sleep(1000);
received = cur_received = pj_atomic_get(bytes_counter);
cur_received = cur_received - last_received;
pj_gettimeofday(&now);
duration = now;
PJ_TIME_VAL_SUB(duration, last_print);
msec = PJ_TIME_VAL_MSEC(duration);
bw = cur_received;
pj_highprec_mul(bw, 1000);
pj_highprec_div(bw, msec);
last_print = now;
last_received = received;
avg_bw = avg_bw + bw;
count++;
PJ_LOG(3,("", "%s UDP (%d threads): %u KB/s (avg=%u KB/s) %s",
ioqueue_name,
ECHO_SERVER_MAX_THREADS,
(unsigned)(bw / 1000),
(unsigned)(avg_bw / count / 1000),
(count==20 ? "<ses avg>" : "")));
if (count==20) {
if (avg_bw/count > highest_bw)
highest_bw = avg_bw/count;
count = 0;
avg_bw = 0;
PJ_LOG(3,("", "Highest average bandwidth=%u KB/s",
(unsigned)(highest_bw/1000)));
}
}
return 0;
}
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