* Copyright 2010, Atis Elsts, the.kfx@gmail.com
* Distributed under the terms of the MIT license.
*/
#include <unistd.h>
#include <memory.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
const unsigned short TEST_PORT = 40000;
void
usage()
{
printf("client [tcp|udp] [4|6] [4|6]\n");
exit(1);
}
int
main(int argc, char *argv[])
{
int socketType = SOCK_DGRAM;
int socketFamily1 = AF_INET;
int socketFamily2 = AF_INET;
if (argc > 1) {
if (!strcmp(argv[1], "tcp"))
socketType = SOCK_STREAM;
else if (!strcmp(argv[1], "udp"))
socketType = SOCK_DGRAM;
else
usage();
}
if (argc > 2) {
switch (atoi(argv[2])) {
case 4:
socketFamily1 = AF_INET;
break;
case 6:
socketFamily1 = AF_INET6;
break;
default:
usage();
}
}
if (argc > 3) {
switch (atoi(argv[3])) {
case 4:
socketFamily2 = AF_INET;
break;
case 6:
socketFamily2 = AF_INET6;
break;
default:
usage();
}
}
int fd = socket(socketFamily1, socketType, 0);
if (fd < 0) {
perror("socket");
return -1;
}
sockaddr_storage saddr;
memset(&saddr, 0, sizeof(saddr));
saddr.ss_family = socketFamily2;
((sockaddr_in *) &saddr)->sin_port = htons(TEST_PORT);
if (connect(fd, (sockaddr *) &saddr, socketFamily2 == AF_INET ?
sizeof(sockaddr_in) : sizeof(sockaddr_in6)) < 0) {
perror("connect");
close(fd);
return -1;
}
const char *buffer = "hello world";
unsigned length = strlen(buffer);
int status = send(fd, buffer, length, 0);
if (status < length) {
if (status < 0)
perror("send");
else if (status == 0)
printf("no data sent!\n");
else
printf("not all data sent!\n");
} else
printf("send(): success\n");
close(fd);
return 0;
}
