/* main program */
int main(int argc, char *argv[])
{
int ux_sock;
ux_sock = ux_socket_listen(SOCKET_NAME);
if (ux_sock == -1) {
perror("ux_socket_listen");
exit(1);
}
process(ux_sock);
return 0;
}
/*
* entry point
*/
void * uxsock_listen(int (*uxsock_trigger)(char *, char **, int *, void *),
void * trigger_data)
{
int ux_sock;
size_t len;
int rlen;
char *inbuf;
char *reply;
ux_sock = ux_socket_listen(DEFAULT_SOCKET);
if (ux_sock == -1) {
condlog(0, "ux_socket_listen error");
exit(1);
}
pthread_cleanup_push(uxsock_cleanup, NULL);
polls = (struct pollfd *)MALLOC(0);
while (1) {
struct client *c;
int i, poll_count;
/* setup for a poll */
polls = REALLOC(polls, (1+num_clients) * sizeof(*polls));
polls[0].fd = ux_sock;
polls[0].events = POLLIN;
/* setup the clients */
for (i=1, c = clients; c; i++, c = c->next) {
polls[i].fd = c->fd;
polls[i].events = POLLIN;
}
/* most of our life is spent in this call */
poll_count = poll(polls, i, SLEEP_TIME);
if (poll_count == -1) {
if (errno == EINTR)
continue;
/* something went badly wrong! */
condlog(0, "poll");
pthread_exit(NULL);
}
if (poll_count == 0)
continue;
/* see if a client wants to speak to us */
for (i=1, c = clients; c; i++) {
struct client *next = c->next;
if (polls[i].revents & POLLIN) {
if (recv_packet(c->fd, &inbuf, &len) != 0) {
dead_client(c);
} else {
inbuf[len - 1] = 0;
condlog(4, "Got request [%s]", inbuf);
uxsock_trigger(inbuf, &reply, &rlen,
trigger_data);
if (reply) {
if (send_packet(c->fd, reply,
rlen) != 0) {
dead_client(c);
}
condlog(4, "Reply [%d bytes]",
rlen);
FREE(reply);
reply = NULL;
}
FREE(inbuf);
}
}
c = next;
}
/* see if we got a new client */
if (polls[0].revents & POLLIN) {
new_client(ux_sock);
}
}
pthread_cleanup_pop(1);
close(ux_sock);
return NULL;
}
