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/* public domain */
/* gcc -o udptest udp-test.c */
/*
will send "RETROPAD RIGHT" indefinely to player 1
to send to player 2 change port to 55401 and so on
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#define SERVER "127.0.0.1"
#define PORT 55400
void die(char *s)
{
perror(s);
exit(1);
}
int main(void)
{
struct sockaddr_in si_other;
int s, i, slen=sizeof(si_other);
if ( (s=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
die("socket");
memset((char *) &si_other, 0, sizeof(si_other));
si_other.sin_family = AF_INET;
si_other.sin_port = htons(PORT);
if (inet_aton(SERVER , &si_other.sin_addr) == 0)
{
fprintf(stderr, "inet_aton() failed\n");
exit(1);
}
for (;;)
{
char message[10]="128";
/* send the message */
if (sendto(s, message, strlen(message) , 0 , (struct sockaddr *) &si_other, slen)==-1)
die("sendto()");
/* sleep for 1 frame (60hz) */
usleep(16*1000);
}
close(s);
return 0;
}
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