void * worker(void * arg)
{
t_threadarg * info = (t_threadarg *) arg;
int status = info->threadinfo->status;
writelog(LOG_DEFAULT, "Starting Worker-Thread (Thread: %d)", info->threadinfo->id);
t_job * job;
while (1) {
while((job = jobfind(info->supervisor, info->threadinfo)) != NULL) {
info->threadinfo->status = status = THREAD_BUSY;
writelog(LOG_DEBUG, "Start processing %s (Thread: %d)", job->file, info->threadinfo->id);
job->status = JOB_PROCESSING;
job->content = readfile(job);
/**
* Send data to Post endpoint
*/
if(job->content != NULL) {
if(senddata(job)) {
writelog(LOG_ERROR, "Resetting Job-Status for %s (Thread: %d)", job->file, info->threadinfo->id);
job->status = JOB_READY;
continue;
} else {
writelog(LOG_DEFAULT, "Finished Processing %s (Thread: %d)", job->file, info->threadinfo->id);
}
}
jobfinish(info->supervisor, job);
sleep(1);
};
status = THREAD_IDLE;
if(info->threadinfo->status != status) {
info->threadinfo->status = status;
writelog(LOG_DEFAULT, "Waiting for Jobs (Thread: %d)", info->threadinfo->id);
}
sleep(1);
}
return 0;
}
/* eveccommand
* Function takes a parsed character array, and exec's it through a
* child process.
*/
void eveccommand(char * argv[MAXARGV], int bg)
{
pid_t pid; //new process id
sigset_t mask;
int argc = 0;
int saved_stdout = dup(1);
FILE * o_file = NULL;
if (argv[0] == NULL) //No command, so return without exec
return;
//Block child signals
sigemptyset(&mask);
sigaddset(&mask, SIGCHLD);
sigprocmask(SIG_BLOCK, &mask, NULL);
while(argv[argc])
++argc;
//If >, then open output file, and change file descriptor for
//stdout to this file
if(argc > 2 && !strcmp(argv[argc - 2], ">"))
{
o_file = freopen(argv[argc-1], "w", stdout);
if(!o_file)
fprintf(stderr, "Failed to run command '%s': %s\n",
argv[0], strerror(errno));
argv[argc-2] = NULL; //stop exec from getting using ">"
}
//Child process
if ((pid = Fork()) == 0)
{
//unblock SIGCHLD
sigprocmask(SIG_UNBLOCK, &mask, NULL);
if (execvp(argv[0], argv) < 0)
{
fprintf(stderr, "Failed to run command '%s': %s\n",
argv[0], strerror(errno));
exit(1);
}
}
//Parent waits if not a background process
if(!bg)
{
jobadd(pid);
//Now that child pid is in the job list, unblock SIGCHLD signals
sigprocmask(SIG_UNBLOCK, &mask, NULL);
//Until child process is not on the job list, sleep 100 microseconds
while(jobfind(pid))
usleep(100);
//Put output back to stdout, if needed
dup2(saved_stdout, 1);
}
else
{
jobadd(pid);
//Put output back to stdout, if needed
dup2(saved_stdout, 1);
printf("Background: (%d) %s\n", pid, argv[0]);
}
return;
}
