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Current File : //usr/local/lib/node_modules/mediasoup/worker/deps/usrsctp/usrsctp/programs/http_client.c
/*
* Copyright (C) 2016-2019 Felix Weinrank
*
* 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: http_client remote_addr remote_port [local_port] [local_encaps_port] [remote_encaps_port] [uri]
*
* Example
* Client: $ ./http_client 212.201.121.100 80 0 9899 9899 /cgi-bin/he
* ./http_client 2a02:c6a0:4015:10::100 80 0 9899 9899 /cgi-bin/he
*/
#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>
#include <sys/time.h>
#else
#include <io.h>
#include <sys/types.h>
#include <sys/timeb.h>
#endif
#include <usrsctp.h>
#include "programs_helper.h"
#define RETVAL_CATCHALL 50
#define RETVAL_TIMEOUT 60
#define RETVAL_ECONNREFUSED 61
int done = 0;
static const char *request_prefix = "GET";
static const char *request_postfix = "HTTP/1.0\r\nUser-agent: libusrsctp\r\nConnection: close\r\n\r\n";
char request[512];
#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;
socklen_t addr_len;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
struct sockaddr_in bind4;
struct sockaddr_in6 bind6;
struct sctp_udpencaps encaps;
struct sctp_sndinfo sndinfo;
struct sctp_rtoinfo rtoinfo;
struct sctp_initmsg initmsg;
struct sctp_event event;
int result = 0;
unsigned int i;
uint8_t address_family = 0;
uint16_t event_types[] = {SCTP_ASSOC_CHANGE,
SCTP_PEER_ADDR_CHANGE,
SCTP_SEND_FAILED_EVENT,
SCTP_REMOTE_ERROR,
SCTP_SHUTDOWN_EVENT,
SCTP_ADAPTATION_INDICATION,
SCTP_PARTIAL_DELIVERY_EVENT
};
if (argc < 3) {
printf("Usage: http_client remote_addr remote_port [local_port] [local_encaps_port] [remote_encaps_port] [uri]\n");
return(EXIT_FAILURE);
}
memset((void *)&addr4, 0, sizeof(struct sockaddr_in));
memset((void *)&addr6, 0, sizeof(struct sockaddr_in6));
if (inet_pton(AF_INET, argv[1], &addr4.sin_addr) == 1) {
address_family = AF_INET;
addr = (struct sockaddr *)&addr4;
addr_len = sizeof(addr4);
#ifdef HAVE_SIN_LEN
addr4.sin_len = sizeof(struct sockaddr_in);
#endif
addr4.sin_family = AF_INET;
addr4.sin_port = htons(atoi(argv[2]));
} else if (inet_pton(AF_INET6, argv[1], &addr6.sin6_addr) == 1) {
address_family = AF_INET6;
addr = (struct sockaddr *)&addr6;
addr_len = sizeof(addr6);
#ifdef HAVE_SIN6_LEN
addr6.sin6_len = sizeof(struct sockaddr_in6);
#endif
addr6.sin6_family = AF_INET6;
addr6.sin6_port = htons(atoi(argv[2]));
} else {
printf("Unsupported destination address - use IPv4 or IPv6 address\n");
result = RETVAL_CATCHALL;
goto out;
}
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_ALL);
#endif
usrsctp_sysctl_set_sctp_blackhole(2);
usrsctp_sysctl_set_sctp_no_csum_on_loopback(0);
if ((sock = usrsctp_socket(address_family, SOCK_STREAM, IPPROTO_SCTP, receive_cb, NULL, 0, NULL)) == NULL) {
perror("usrsctp_socket");
result = RETVAL_CATCHALL;
goto out;
}
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");
}
}
rtoinfo.srto_assoc_id = 0;
rtoinfo.srto_initial = 1000;
rtoinfo.srto_min = 1000;
rtoinfo.srto_max = 8000;
if (usrsctp_setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO, (const void *)&rtoinfo, (socklen_t)sizeof(struct sctp_rtoinfo)) < 0) {
perror("setsockopt");
usrsctp_close(sock);
result = RETVAL_CATCHALL;
goto out;
}
initmsg.sinit_num_ostreams = 1;
initmsg.sinit_max_instreams = 1;
initmsg.sinit_max_attempts = 5;
initmsg.sinit_max_init_timeo = 4000;
if (usrsctp_setsockopt(sock, IPPROTO_SCTP, SCTP_INITMSG, (const void *)&initmsg, (socklen_t)sizeof(struct sctp_initmsg)) < 0) {
perror("setsockopt");
usrsctp_close(sock);
result = RETVAL_CATCHALL;
goto out;
}
if (argc > 3) {
if (address_family == AF_INET) {
memset((void *)&bind4, 0, sizeof(struct sockaddr_in));
#ifdef HAVE_SIN_LEN
bind4.sin_len = sizeof(struct sockaddr_in6);
#endif
bind4.sin_family = AF_INET;
bind4.sin_port = htons(atoi(argv[3]));
bind4.sin_addr.s_addr = htonl(INADDR_ANY);
if (usrsctp_bind(sock, (struct sockaddr *)&bind4, sizeof(bind4)) < 0) {
perror("bind");
usrsctp_close(sock);
result = RETVAL_CATCHALL;
goto out;
}
} else {
memset((void *)&bind6, 0, sizeof(struct sockaddr_in6));
#ifdef HAVE_SIN6_LEN
bind6.sin6_len = sizeof(struct sockaddr_in6);
#endif
bind6.sin6_family = AF_INET6;
bind6.sin6_port = htons(atoi(argv[3]));
bind6.sin6_addr = in6addr_any;
if (usrsctp_bind(sock, (struct sockaddr *)&bind6, sizeof(bind6)) < 0) {
perror("bind");
usrsctp_close(sock);
result = RETVAL_CATCHALL;
goto out;
}
}
}
if (argc > 5) {
memset(&encaps, 0, sizeof(struct sctp_udpencaps));
encaps.sue_address.ss_family = address_family;
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");
usrsctp_close(sock);
result = RETVAL_CATCHALL;
goto out;
}
}
if (argc > 6) {
#ifdef _WIN32
if (_snprintf(request, sizeof(request), "%s %s %s", request_prefix, argv[6], request_postfix) < 0) {
#else
if (snprintf(request, sizeof(request), "%s %s %s", request_prefix, argv[6], request_postfix) < 0) {
#endif
request[0] = '\0';
}
} else {
#ifdef _WIN32
if (_snprintf(request, sizeof(request), "%s %s %s", request_prefix, "/", request_postfix) < 0) {
#else
if (snprintf(request, sizeof(request), "%s %s %s", request_prefix, "/", request_postfix) < 0) {
#endif
request[0] = '\0';
}
}
printf("\nHTTP request:\n%s\n", request);
printf("\nHTTP response:\n");
if (usrsctp_connect(sock, addr, addr_len) < 0) {
if (errno == ECONNREFUSED) {
result = RETVAL_ECONNREFUSED;
} else if (errno == ETIMEDOUT) {
result = RETVAL_TIMEOUT;
} else {
result = RETVAL_CATCHALL;
}
perror("usrsctp_connect");
usrsctp_close(sock);
goto out;
}
memset(&sndinfo, 0, sizeof(struct sctp_sndinfo));
sndinfo.snd_ppid = htonl(63); /* PPID for HTTP/SCTP */
/* send GET request */
if (usrsctp_sendv(sock, request, strlen(request), NULL, 0, &sndinfo, sizeof(struct sctp_sndinfo), SCTP_SENDV_SNDINFO, 0) < 0) {
perror("usrsctp_sendv");
usrsctp_close(sock);
result = RETVAL_CATCHALL;
goto out;
}
while (!done) {
#ifdef _WIN32
Sleep(1*1000);
#else
sleep(1);
#endif
}
out:
while (usrsctp_finish() != 0) {
#ifdef _WIN32
Sleep(1000);
#else
sleep(1);
#endif
}
printf("Finished, returning with %d\n", result);
return (result);
}
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