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/* net/connect4.c - Make an IPv4 connection
* Copyright (C) 2001,2005 Bruce Guenter <bruce@untroubled.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include "socket.h"
/** Connect a socket to an IPv4 address. */
int socket_connect4(int sock, const ipv4addr* ip, ipv4port port)
{
struct sockaddr_in sa;
memset(&sa, 0, sizeof sa);
sa.sin_family = AF_INET;
memcpy((char*)&sa.sin_addr, &ip->addr, 4);
sa.sin_port = htons(port);
return connect(sock, (struct sockaddr*)&sa, sizeof sa) == 0;
}
#ifdef SELFTEST_MAIN
MAIN
{
int sock1;
int sock2;
ipv4port port = 12345;
debugsys((sock1 = socket_tcp4()) >= 0);
debugsys(socket_reuse(sock1));
for (port = 12345; port < 32768; ++port)
if (socket_bind4(sock1, &IPV4ADDR_ANY, port) == 0)
break;
debugsys(socket_listen(sock1, 1));
debugsys((sock2 = socket_tcp4()) >= 0 && sock2 != sock1);
debugsys(socket_connect4(sock2, &IPV4ADDR_LOOPBACK, port));
}
#endif
#ifdef SELFTEST_EXP
result=1
result=1
result=1
result=1
result=0
#endif
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