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#include "daemon.h"
#include "timer.h"
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <assert.h>
static struct sockaddr_un addr = (struct sockaddr_un){.sun_path = "/tmp/pomo.sock", .sun_family = AF_UNIX};
int socket_create() {
errno = 0;
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1) {
printf("Socket creation failed! %s\n", strerror(errno));
fflush(stdout);
exit(1);
}
return fd;
}
void socket_set_server(int sockfd) {
errno = 0;
if (bind(sockfd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
printf("Socket bind failed! %s\n", strerror(errno));
fflush(stdout);
exit(1);
}
errno = 0;
if (listen(sockfd, 1) == -1) {
printf("Socket listen() failed! %s\n", strerror(errno));
exit(1);
}
}
void socket_set_client(int sockfd) {
errno = 0;
if(connect(sockfd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
printf("Socket connect failed! %s\n", strerror(errno));
fflush(stdout);
exit(1);
}
}
void socket_bind_clean(int sig) {
unlink("/tmp/pomo.sock");
exit(0);
}
void daemon_init(Daemon* d) {
assert(d != NULL);
socket_set_server(d->sockfd);
signal(SIGINT, socket_bind_clean);
signal(SIGTERM, socket_bind_clean);
atexit((void *)socket_bind_clean);
}
void* daemon_listener_loop(void *d) {
assert(d != NULL);
while(1) {
int clientfd = accept(((Daemon *)d)->sockfd, NULL, NULL);
if (clientfd == -1) {
printf("Incoming connection failed.\n");
continue;
}
char buffer[1024];
read(clientfd, buffer, 1024 - 1);
// TODO: Create a mechanism to fetch commands without writing everything again.
// TODO: Make it so that a more efficient approach is used instead of a string.
if(strncmp(buffer, "start", sizeof("start")) == 0) {
timer_start(((Daemon *)d)->timer);
}
if(strncmp(buffer, "toggle", sizeof("toggle")) == 0) {
timer_toggle_state(((Daemon *)d)->timer);
}
if(strncmp(buffer, "reset", sizeof("reset")) == 0) {
timer_reset(((Daemon *)d)->timer);
}
/* send(clientfd, "done", sizeof("done"), 0); */
close(clientfd);
}
return NULL;
}
void daemon_run(Daemon* d) {
assert(d != NULL);
Timer t;
timer_init(&t, 3000);
d->timer = &t;
pthread_t thread;
if(pthread_create(&thread, NULL, daemon_listener_loop, d) != 0) {
printf("Error: daemon_listener_loop thread cannot be created!");
exit(1);
}
timer_loop(&t);
void* retval;
pthread_join(thread, &retval);
}
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