/**
* Execute the queued commands
**/
void CmdManager::exec(GameState* st)
{
Cmd* c;
while (work.trypop(c)) {
c->exec(st);
}
}
void *threadFn(void *arg){
int fd;
struct pollfd fds;
char buf[BUFSIZE];
char fifo[BUFSIZE];
struct stat st;
void **arr = (void**)arg;
char *target = (char*)arr[0];
int polr = 0;
bzero(fifo, BUFSIZE);
strcpy(fifo, target);
Cmd *cmd = (Cmd*)arr[1];
fd = open(fifo, O_RDONLY);
if (!fd) {
fprintf(stderr, "Can not open %s\n", fifo);
return NULL;
}
fds.fd = fd;
fds.events = POLLIN;
polr = poll(&fds, 1, 1000);
if (polr < 0) {
fprintf(stderr, "Poll error for %s\n", fifo);
return NULL;
}
if (!polr) {
fprintf(stderr, "Can not read from %s by timeout\n", fifo);
if (!stat(fifo, &st)) unlink(fifo);
return NULL;
}
FILE *fp = fdopen(fd, "r");
if (!fp) {
fprintf(stderr, "Can not read %s\n", fifo);
return NULL;
}
fgets(buf, BUFSIZE, fp);
fclose(fp);
if (buf[BUFSIZE - 1]) {
fprintf(stderr, "Recieved string is too long, exit\n");
return NULL;
}
cmd->exec(buf, BUFSIZE);
fp = fopen(fifo, "w");
if (!fp) {
fprintf(stderr, "Can not write to %s\n", fifo);
return NULL;
}
fwrite(buf, 1, strlen(buf), fp);
fclose(fp);
sleep(1);
if (!stat(fifo, &st)) unlink(fifo);
return NULL;
}