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#include <arpa/inet.h>
#include <fcntl.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/select.h>
#include <sys/wait.h>
#include <unistd.h>
#include "config.c"
#include "tinyosc.c"
#include "tinyosc.h"
/*
chat-loop / main.c. sends text to vrchat using osc.
Copyright (C) 2026 iceyrazor
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
static volatile bool keepRunning = true;
// handle Ctrl+C
static void sigintHandler(int x)
{
keepRunning = false;
}
// execute command and put output into ret_buf buffer
void execlb(char* cmd, char* ret_buf)
{
int link[2];
pid_t pid;
char buf[2048];
if (pipe(link) == -1)
exit(-5);
if ((pid = fork()) == -1)
exit(-5);
if (pid == 0) {
dup2(link[1], STDOUT_FILENO);
close(link[0]);
close(link[1]);
execl("/bin/sh", "sh", "-c", cmd, (char*)0);
exit(0);
} else {
close(link[1]);
int nbytes = read(link[0], buf, sizeof(buf));
if (nbytes > 2047)
nbytes = 2047;
snprintf(ret_buf, nbytes + 1, "%s", buf);
wait(NULL);
close(link[0]);
}
}
int main()
{
char wbuffer[2048]; // declare a 2Kb buffer to read packet data into
int port = 9000;
struct sockaddr_in servaddr;
int socketfd = socket(AF_INET, SOCK_DGRAM, 0);
if (socketfd < 0) {
perror("ERROR:");
return -1;
}
servaddr.sin_family = AF_INET; // IPv4
servaddr.sin_port = htons(port); // Server port
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); // Server IP
// register the SIGINT handler (Ctrl+C)
signal(SIGINT, &sigintHandler);
char* dist = (char*)malloc(sizeof(char) * 2048);
execlb("uname -r", dist);
dist[strlen(dist) - 1] = '\0';
init_arr();
char* comb_string = (char*)malloc(sizeof(char) * 2048);
char* song_title = (char*)malloc(sizeof(char) * 2048);
int i = 0;
while (keepRunning) {
execlb("src/title.sh", song_title);
sprintf(comb_string, "%s\nLinux %s\n%s\n%s", title, dist, arr[i], song_title);
int len = 0;
len = tosc_writeMessage(wbuffer, sizeof(wbuffer), "/chatbox/input", "sTF", comb_string);
sendto(socketfd, wbuffer, len, MSG_CONFIRM, (const struct sockaddr*)&servaddr, sizeof(servaddr));
sleep(3);
i = i + 1;
if (i >= arr_size)
i = 0;
}
// remove till end if you dont care about sending a clear to chat box when stopping the program.
usleep(900000); // if 2 messages are sent to quickly. this one doesnt send. so this seems like a good delay on my machine. comment out if you dont care
int len = 0;
len = tosc_writeMessage(wbuffer, sizeof(wbuffer), "/chatbox/input", "sTF", "");
sendto(socketfd, wbuffer, len, MSG_CONFIRM, (const struct sockaddr*)&servaddr, sizeof(servaddr));
// end
free(comb_string);
free(dist);
free(song_title);
return 0;
}
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