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/*
* Ouroboros - Copyright (C) 2016 - 2018
*
* Ouroboros ping application
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _POSIX_C_SOURCE 199506L
#define __XSI_VISIBLE 500
#include <ouroboros/dev.h>
#include <ouroboros/fccntl.h>
#include <ouroboros/fqueue.h>
#include "time_utils.h"
#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include <stdint.h>
#include <stdbool.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/time.h>
#include <arpa/inet.h>
#include <math.h>
#include <errno.h>
#include <float.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;
bool timestamp;
/* stats */
uint32_t sent;
uint32_t rcvd;
size_t ooo;
double rtt_min;
double rtt_max;
double rtt_avg;
double rtt_m2;
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;
uint64_t tv_sec;
uint64_t tv_nsec;
} __attribute__((packed));
#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-name Name of the oping server\n"
" -s, --size Payload size (B, default 64)\n"
" -D, --timeofday Print time of day before each line"
"\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;
client.timestamp = false;
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_name") == 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 if (strcmp(*argv, "-D") == 0 ||
strcmp(*argv, "--timeofday") == 0) {
client.timestamp = 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;
}
ret = client_main();
}
if (ret < 0)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}
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