* 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_PROTOCOL = 89;
int
main(int argc, char *argv[])
{
int socketFamily = AF_INET;
if (argc > 1) {
if (!strcmp(argv[1], "-4"))
socketFamily = AF_INET;
else if (!strcmp(argv[1], "-6"))
socketFamily = AF_INET6;
}
int fd = socket(socketFamily, SOCK_RAW, TEST_PROTOCOL);
if (fd < 0) {
perror("socket");
return -1;
}
sockaddr_storage saddr;
memset(&saddr, 0, sizeof(saddr));
if (socketFamily == AF_INET) {
sockaddr_in *sa = (sockaddr_in *) &saddr;
sa->sin_family = AF_INET;
sa->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
} else {
sockaddr_in6 *sa = (sockaddr_in6 *) &saddr;
sa->sin6_family = AF_INET6;
sa->sin6_addr.s6_addr[15] = 0x01;
}
const char *buffer = "hello world";
unsigned length = strlen(buffer);
int status = sendto(fd, buffer, length, 0, (sockaddr *) &saddr,
socketFamily == AF_INET ? sizeof(sockaddr_in) : sizeof(sockaddr_in6));
if (status < length) {
if (status < 0)
perror("sendto");
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;
}
