mirror of
https://github.com/libretro/RetroArch
synced 2024-12-29 12:31:05 +00:00
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* public domain */
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/* gcc -o udptest udp-test.c */
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/*
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will send "RETROPAD RIGHT" indefinely to player 1
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to send to player 2 change port to 55401 and so on
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#define SERVER "127.0.0.1"
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#define PORT 55400
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void die(char *s)
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{
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perror(s);
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exit(1);
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}
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int main(void)
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{
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struct sockaddr_in si_other;
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int s, i, slen=sizeof(si_other);
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if ( (s=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
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{
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die("socket");
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}
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memset((char *) &si_other, 0, sizeof(si_other));
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si_other.sin_family = AF_INET;
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si_other.sin_port = htons(PORT);
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if (inet_aton(SERVER , &si_other.sin_addr) == 0)
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{
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fprintf(stderr, "inet_aton() failed\n");
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exit(1);
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}
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while(1)
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{
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char message[10]="128";
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//send the message
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if (sendto(s, message, strlen(message) , 0 , (struct sockaddr *) &si_other, slen)==-1)
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{
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die("sendto()");
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}
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/* sleep for 1 frame (60hz) */
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usleep(16*1000);
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}
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close(s);
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return 0;
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} |