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Current File : //usr/local/lib/node_modules/mediasoup/worker/deps/usrsctp/usrsctp/programs/client.c
/*
* Copyright (C) 2011-2013 Michael Tuexen
*
* All rights reserved.
*
* 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 project 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 PROJECT 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 PROJECT 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.
*/
/*
* Usage: client remote_addr remote_port [local_port] [local_encaps_port] [remote_encaps_port]
*/
#ifdef _WIN32
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#ifndef _WIN32
#include <unistd.h>
#endif
#include <sys/types.h>
#ifndef _WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#else
#include <io.h>
#endif
#include <usrsctp.h>
#include "programs_helper.h"
int done = 0;
#ifdef _WIN32
typedef char* caddr_t;
#endif
static int
receive_cb(struct socket *sock, union sctp_sockstore addr, void *data,
size_t datalen, struct sctp_rcvinfo rcv, int flags, void *ulp_info)
{
if (data == NULL) {
done = 1;
usrsctp_close(sock);
} else {
if (flags & MSG_NOTIFICATION) {
handle_notification((union sctp_notification *)data, datalen);
} else {
#ifdef _WIN32
_write(_fileno(stdout), data, (unsigned int)datalen);
#else
if (write(fileno(stdout), data, datalen) < 0) {
perror("write");
}
#endif
}
free(data);
}
return (1);
}
int
main(int argc, char *argv[])
{
struct socket *sock;
struct sockaddr *addr, *addrs;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
struct sctp_udpencaps encaps;
struct sctpstat stat;
struct sctp_event event;
uint16_t event_types[] = {SCTP_ASSOC_CHANGE,
SCTP_PEER_ADDR_CHANGE,
SCTP_SEND_FAILED_EVENT};
char buffer[80];
unsigned int i;
int n;
if (argc < 3) {
printf("%s", "Usage: client remote_addr remote_port local_port local_encaps_port remote_encaps_port\n");
return (-1);
}
if (argc > 4) {
usrsctp_init(atoi(argv[4]), NULL, debug_printf_stack);
} else {
usrsctp_init(9899, NULL, debug_printf_stack);
}
#ifdef SCTP_DEBUG
usrsctp_sysctl_set_sctp_debug_on(SCTP_DEBUG_NONE);
#endif
usrsctp_sysctl_set_sctp_blackhole(2);
usrsctp_sysctl_set_sctp_no_csum_on_loopback(0);
if ((sock = usrsctp_socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP, receive_cb, NULL, 0, NULL)) == NULL) {
perror("usrsctp_socket");
}
memset(&event, 0, sizeof(event));
event.se_assoc_id = SCTP_ALL_ASSOC;
event.se_on = 1;
for (i = 0; i < sizeof(event_types)/sizeof(uint16_t); i++) {
event.se_type = event_types[i];
if (usrsctp_setsockopt(sock, IPPROTO_SCTP, SCTP_EVENT, &event, sizeof(event)) < 0) {
perror("setsockopt SCTP_EVENT");
}
}
if (argc > 3) {
memset((void *)&addr6, 0, sizeof(struct sockaddr_in6));
#ifdef HAVE_SIN6_LEN
addr6.sin6_len = sizeof(struct sockaddr_in6);
#endif
addr6.sin6_family = AF_INET6;
addr6.sin6_port = htons(atoi(argv[3]));
addr6.sin6_addr = in6addr_any;
if (usrsctp_bind(sock, (struct sockaddr *)&addr6, sizeof(struct sockaddr_in6)) < 0) {
perror("bind");
}
}
if (argc > 5) {
memset(&encaps, 0, sizeof(struct sctp_udpencaps));
encaps.sue_address.ss_family = AF_INET6;
encaps.sue_port = htons(atoi(argv[5]));
if (usrsctp_setsockopt(sock, IPPROTO_SCTP, SCTP_REMOTE_UDP_ENCAPS_PORT, (const void*)&encaps, (socklen_t)sizeof(struct sctp_udpencaps)) < 0) {
perror("setsockopt");
}
}
memset((void *)&addr4, 0, sizeof(struct sockaddr_in));
memset((void *)&addr6, 0, sizeof(struct sockaddr_in6));
#ifdef HAVE_SIN_LEN
addr4.sin_len = sizeof(struct sockaddr_in);
#endif
#ifdef HAVE_SIN6_LEN
addr6.sin6_len = sizeof(struct sockaddr_in6);
#endif
addr4.sin_family = AF_INET;
addr6.sin6_family = AF_INET6;
addr4.sin_port = htons(atoi(argv[2]));
addr6.sin6_port = htons(atoi(argv[2]));
if (inet_pton(AF_INET6, argv[1], &addr6.sin6_addr) == 1) {
if (usrsctp_connect(sock, (struct sockaddr *)&addr6, sizeof(struct sockaddr_in6)) < 0) {
perror("usrsctp_connect");
}
} else if (inet_pton(AF_INET, argv[1], &addr4.sin_addr) == 1) {
if (usrsctp_connect(sock, (struct sockaddr *)&addr4, sizeof(struct sockaddr_in)) < 0) {
perror("usrsctp_connect");
}
} else {
printf("Illegal destination address.\n");
}
if ((n = usrsctp_getladdrs(sock, 0, &addrs)) < 0) {
perror("usrsctp_getladdrs");
} else {
addr = addrs;
printf("Local addresses: ");
for (i = 0; i < (unsigned int)n; i++) {
if (i > 0) {
printf("%s", ", ");
}
switch (addr->sa_family) {
case AF_INET:
{
struct sockaddr_in *sin;
char buf[INET_ADDRSTRLEN];
const char *name;
sin = (struct sockaddr_in *)addr;
name = inet_ntop(AF_INET, &sin->sin_addr, buf, INET_ADDRSTRLEN);
printf("%s", name);
#ifndef HAVE_SA_LEN
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in));
#endif
break;
}
case AF_INET6:
{
struct sockaddr_in6 *sin6;
char buf[INET6_ADDRSTRLEN];
const char *name;
sin6 = (struct sockaddr_in6 *)addr;
name = inet_ntop(AF_INET6, &sin6->sin6_addr, buf, INET6_ADDRSTRLEN);
printf("%s", name);
#ifndef HAVE_SA_LEN
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6));
#endif
break;
}
default:
break;
}
#ifdef HAVE_SA_LEN
addr = (struct sockaddr *)((caddr_t)addr + addr->sa_len);
#endif
}
printf(".\n");
usrsctp_freeladdrs(addrs);
}
if ((n = usrsctp_getpaddrs(sock, 0, &addrs)) < 0) {
perror("usrsctp_getpaddrs");
} else {
addr = addrs;
printf("Peer addresses: ");
for (i = 0; i < (unsigned int)n; i++) {
if (i > 0) {
printf("%s", ", ");
}
switch (addr->sa_family) {
case AF_INET:
{
struct sockaddr_in *sin;
char buf[INET_ADDRSTRLEN];
const char *name;
sin = (struct sockaddr_in *)addr;
name = inet_ntop(AF_INET, &sin->sin_addr, buf, INET_ADDRSTRLEN);
printf("%s", name);
#ifndef HAVE_SA_LEN
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in));
#endif
break;
}
case AF_INET6:
{
struct sockaddr_in6 *sin6;
char buf[INET6_ADDRSTRLEN];
const char *name;
sin6 = (struct sockaddr_in6 *)addr;
name = inet_ntop(AF_INET6, &sin6->sin6_addr, buf, INET6_ADDRSTRLEN);
printf("%s", name);
#ifndef HAVE_SA_LEN
addr = (struct sockaddr *)((caddr_t)addr + sizeof(struct sockaddr_in6));
#endif
break;
}
default:
break;
}
#ifdef HAVE_SA_LEN
addr = (struct sockaddr *)((caddr_t)addr + addr->sa_len);
#endif
}
printf(".\n");
usrsctp_freepaddrs(addrs);
}
while ((fgets(buffer, sizeof(buffer), stdin) != NULL) && !done) {
usrsctp_sendv(sock, buffer, strlen(buffer), NULL, 0, NULL, 0, SCTP_SENDV_NOINFO, 0);
}
if (!done) {
if (usrsctp_shutdown(sock, SHUT_WR) < 0) {
perror("usrsctp_shutdown");
}
}
while (!done) {
#ifdef _WIN32
Sleep(1 * 1000);
#else
sleep(1);
#endif
}
usrsctp_get_stat(&stat);
printf("Number of packets (sent/received): (%u/%u).\n",
stat.sctps_outpackets, stat.sctps_inpackets);
while (usrsctp_finish() != 0) {
#ifdef _WIN32
Sleep(1 * 1000);
#else
sleep(1);
#endif
}
return(0);
}
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