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Diffstat (limited to 'src/tools/oping/oping.c')
| -rw-r--r-- | src/tools/oping/oping.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/tools/oping/oping.c b/src/tools/oping/oping.c new file mode 100644 index 00000000..cf8dc485 --- /dev/null +++ b/src/tools/oping/oping.c @@ -0,0 +1,176 @@ +/* + * Ouroboros - Copyright (C) 2016 + * + * Ouroboros ping application + * + * Dimitri Staessens <dimitri.staessens@intec.ugent.be> + * Sander Vrijders <sander.vrijders@intec.ugent.be> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#define _POSIX_C_SOURCE 199506L + +#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; + int count; + int size; + + /* stats */ + int sent; + int rcvd; + float rtt_min; + float rtt_max; + float rtt_avg; + float 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]; + 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() +{ + 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; + + if (ap_init(argv[0])) { + printf("Failed to init AP.\n"); + exit(EXIT_FAILURE); + } + + 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 1500 bytes.\n"); + client.size = 1500; + } + + if (client.size < 2) { + 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(); + } + + ap_fini(); + + if (ret < 0) + exit(EXIT_FAILURE); + + exit(EXIT_SUCCESS); +} |