static void do_cache(const char *socket, const char *action, int timeout,
int flags)
{
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "action=%s\n", action);
strbuf_addf(&buf, "timeout=%d\n", timeout);
if (flags & FLAG_RELAY) {
if (strbuf_read(&buf, 0, 0) < 0)
die_errno("unable to relay credential");
}
if (send_request(socket, &buf) < 0) {
if (errno != ENOENT && errno != ECONNREFUSED)
die_errno("unable to connect to cache daemon");
if (flags & FLAG_SPAWN) {
spawn_daemon(socket);
if (send_request(socket, &buf) < 0)
die_errno("unable to connect to cache daemon");
}
}
strbuf_release(&buf);
}
int main(int argc, char const *argv[]) {
shmem *mem;
const char *geometry;
int lemon_in, lemon_out;
int tries=0;
struct pollfd fds[1];
fds[0].events = POLLIN;
geometry = (argc < 2) ? DEFAULT_GEOM : argv[1];
if (validate_geometry(geometry) < 0){
fprintf(stderr, "please provide a valid window geometry. E.g. 1920x22+0+0 (widthxheight+X+Y)\n");
return -1;
}
if ((mem = setup_memory(0)) == MEM_FAILED){
printf("Spawning data daemon\n");
if (spawn_daemon() < 0){
fprintf(stderr, "failed to start daemon\n");
exit(-1);
}
while ((mem = setup_memory(0)) == MEM_FAILED){
if (tries++ > 10){
fprintf(stderr, "failed to connect to daemon\n");
exit(-1);
}
sleep(1);
}
printf("connected to new data source\n");
} else {
printf("Connected to running data source.\n");
}
spawn_bar(&lemon_in, &lemon_out, geometry);
fds[0].fd = lemon_out;
notify_server(mem->server);
catch_signals();
//@todo allow an escape for when server dies
while (1) {
DEBUG_(printf("waiting for wakeup signal\n"));
//block. wait here for lemonbar click output, or update signal from server
//we could block with read() or something, but let's plan for multiple
//sources for the future.
if (poll(fds, 1, -1) < 0){
if (errno != EINTR){
perror("poll");
break;
}
}
if (fds[0].revents & POLLIN) {
fds[0].revents = 0; //clear for next round
//something was clicked
process_click(fds[0].fd);
} else {
//must have gotten pinged by server
//@todo verify SIGUSR1 vs other signals (which generally just exit anyway)
update_bar(mem,lemon_in);
}
}
return -1;
}
