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/*
* Ouroboros - Copyright (C) 2016 - 2017
*
* Ouroboros ping application
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., http://www.fsf.org/about/contact/.
*/
#define _POSIX_C_SOURCE 199506L
#define __XSI_VISIBLE 500
#include <ouroboros/fqueue.h>
#include <ouroboros/dev.h>
#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include <stdint.h>
#include <stdbool.h>
#define OPING_BUF_SIZE 1500
#define ECHO_REQUEST 0
#define ECHO_REPLY 1
#define OPING_MAX_FLOWS 256
struct c {
char * s_apn;
int interval;
uint32_t count;
int size;
/* stats */
uint32_t sent;
uint32_t rcvd;
double rtt_min;
double rtt_max;
double rtt_avg;
double rtt_m2;
/* needs locking */
struct timespec * times;
pthread_mutex_t lock;
pthread_t reader_pt;
pthread_t writer_pt;
} client;
struct s {
struct timespec times[OPING_MAX_FLOWS];
fset_t * flows;
fqueue_t * fq;
pthread_mutex_t lock;
pthread_t cleaner_pt;
pthread_t accept_pt;
pthread_t server_pt;
} server;
struct oping_msg {
uint32_t type;
uint32_t id;
};
#include "oping_client.c"
#include "oping_server.c"
static void usage(void)
{
printf("Usage: oping [OPTION]...\n"
"Checks liveness between a client and a server\n"
"and reports the Round Trip Time (RTT)\n\n"
" -l, --listen Run in server mode\n"
"\n"
" -c, --count Number of packets (default 1000)\n"
" -i, --interval Interval (ms, default 1000)\n"
" -n, --server-apn Name of the oping server\n"
" -s, --size Payload size (B, default 64)\n"
" --help Display this help text and exit\n");
}
int main(int argc, char ** argv)
{
int ret = -1;
char * rem = NULL;
bool serv = false;
argc--;
argv++;
client.s_apn = NULL;
client.interval = 1000;
client.size = 64;
client.count = 1000;
while (argc > 0) {
if (strcmp(*argv, "-i") == 0 ||
strcmp(*argv, "--interval") == 0) {
client.interval = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-n") == 0 ||
strcmp(*argv, "--server_apn") == 0) {
client.s_apn = *(++argv);
--argc;
} else if (strcmp(*argv, "-c") == 0 ||
strcmp(*argv, "--count") == 0) {
client.count = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-s") == 0 ||
strcmp(*argv, "--size") == 0) {
client.size = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-l") == 0 ||
strcmp(*argv, "--listen") == 0) {
serv = true;
} else {
usage();
exit(EXIT_SUCCESS);
}
argc--;
argv++;
}
if (serv) {
ret = server_main();
} else {
if (client.s_apn == NULL) {
printf("No server specified.\n");
usage();
exit(EXIT_SUCCESS);
}
if (client.interval > 10000) {
printf("Ping interval truncated to 10s.\n");
client.interval = 10000;
}
if (client.size > OPING_BUF_SIZE) {
printf("Packet size truncated to %d bytes.\n",
OPING_BUF_SIZE);
client.size = OPING_BUF_SIZE;
}
if (client.size < 64) {
printf("Packet size set to 64 bytes.\n");
client.size = 64;
}
if (client.count > 1000000) {
printf("Count truncated to 1 million SDUs.\n");
client.count = 1000000;
}
ret = client_main();
}
if (ret < 0)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}
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