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#include <arpa/inet.h>
#include <fcntl.h>
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/select.h>
#include <sys/wait.h>
#include <unistd.h>
#include "config.h"
#include <tinyosc.c>
#include <tinyosc.h>
#define buf_size 2048
/*
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 sig_atomic_t keepRunning = true;
// handle Ctrl+C
static void sigintHandler(int x)
{
keepRunning = false;
}
// execute command and put output into ret_buf buffer
int execlb(const char* cmd, char* buffer, size_t buffer_size)
{
int link[2];
pid_t pid;
int status;
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(127);
} else {
close(link[1]);
int nbytes = read(link[0], buffer, buffer_size - 1);
buffer[nbytes] = '\0';
waitpid(pid,&status,0);
close(link[0]);
return status;
}
}
int main()
{
char wbuffer[2048] = {0}; // 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[2048] = {0};
int status=execlb("uname -r", dist, sizeof dist);
if (status != 0){
fprintf(stderr,"ERROR WITH execlb %d", status);
exit(1);
}
dist[strcspn(dist,"\n")] = '\0';
char comb_string[2048] = {0};
char song_title[2048] = {0};
size_t i = 0;
while (keepRunning) {
int song_status=execlb("src/title.sh", song_title, sizeof song_title);
if (song_status != 0){
fprintf(stderr,"ERROR WITH execlb %d", status);
exit(1);
}
snprintf(comb_string, sizeof comb_string, "%s\nLinux %s\n%s\n%s", title, dist, arr[i], song_title);
uint32_t 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) % (sizeof arr / sizeof arr[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
uint32_t len = tosc_writeMessage(wbuffer, sizeof(wbuffer), "/chatbox/input", "sTF", "");
sendto(socketfd, wbuffer, len, MSG_CONFIRM, (const struct sockaddr*)&servaddr, sizeof(servaddr));
// end
return 0;
}
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