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141 lines
4.2 KiB
141 lines
4.2 KiB
/*
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* Copyright (C) 2012-2013 Michael Tuexen
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Usage: daytime_server [local_encaps_port] [remote_encaps_port]
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*
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* Example
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* Server: $ ./daytime_server 11111 22222
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* Client: $ ./client 127.0.0.1 13 0 22222 11111
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*/
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#ifdef _WIN32
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <time.h>
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#ifndef _WIN32
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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#include <usrsctp.h>
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#include "programs_helper.h"
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#define PORT 13
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#define DAYTIME_PPID 40
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#define SLEEP 1
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int
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main(int argc, char *argv[])
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{
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struct socket *sock, *conn_sock;
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struct sockaddr_in addr;
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struct sctp_udpencaps encaps;
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socklen_t addr_len;
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char buffer[80];
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time_t now;
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struct sctp_sndinfo sndinfo;
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if (argc > 1) {
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usrsctp_init(atoi(argv[1]), NULL, debug_printf_stack);
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} else {
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usrsctp_init(9899, NULL, debug_printf_stack);
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}
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#ifdef SCTP_DEBUG
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usrsctp_sysctl_set_sctp_debug_on(SCTP_DEBUG_NONE);
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#endif
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usrsctp_sysctl_set_sctp_blackhole(2);
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usrsctp_sysctl_set_sctp_no_csum_on_loopback(0);
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if ((sock = usrsctp_socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP, NULL, NULL, 0, NULL)) == NULL) {
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perror("usrsctp_socket");
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}
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if (argc > 2) {
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memset(&encaps, 0, sizeof(struct sctp_udpencaps));
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encaps.sue_address.ss_family = AF_INET;
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encaps.sue_port = htons(atoi(argv[2]));
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if (usrsctp_setsockopt(sock, IPPROTO_SCTP, SCTP_REMOTE_UDP_ENCAPS_PORT, (const void*)&encaps, (socklen_t)sizeof(struct sctp_udpencaps)) < 0) {
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perror("setsockopt");
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}
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}
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memset((void *)&addr, 0, sizeof(struct sockaddr_in));
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#ifdef HAVE_SIN_LEN
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addr.sin_len = sizeof(struct sockaddr_in);
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#endif
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addr.sin_family = AF_INET;
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addr.sin_port = htons(PORT);
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addr.sin_addr.s_addr = htonl(INADDR_ANY);
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if (usrsctp_bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) < 0) {
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perror("usrsctp_bind");
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}
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if (usrsctp_listen(sock, 1) < 0) {
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perror("usrsctp_listen");
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}
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while (1) {
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addr_len = 0;
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if ((conn_sock = usrsctp_accept(sock, NULL, &addr_len)) == NULL) {
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continue;
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}
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time(&now);
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#ifdef _WIN32
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if (_snprintf(buffer, sizeof(buffer), "%s", ctime(&now)) < 0) {
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#else
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if (snprintf(buffer, sizeof(buffer), "%s", ctime(&now)) < 0) {
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#endif
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buffer[0] = '\0';
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}
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sndinfo.snd_sid = 0;
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sndinfo.snd_flags = 0;
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sndinfo.snd_ppid = htonl(DAYTIME_PPID);
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sndinfo.snd_context = 0;
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sndinfo.snd_assoc_id = 0;
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if (usrsctp_sendv(conn_sock, buffer, strlen(buffer), NULL, 0, (void *)&sndinfo,
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(socklen_t)sizeof(struct sctp_sndinfo), SCTP_SENDV_SNDINFO, 0) < 0) {
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perror("usrsctp_sendv");
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}
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usrsctp_close(conn_sock);
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}
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usrsctp_close(sock);
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while (usrsctp_finish() != 0) {
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#ifdef _WIN32
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Sleep(SLEEP * 1000);
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#else
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sleep(SLEEP);
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#endif
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}
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return (0);
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}
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