static void* thread_do(thpool_t* p) {
job_t j;
while (true) {
while (p->running && jobqueue_pop(p->queue, &j)) {
j.function(j.args);
}
if (!p->running) break;
pthread_mutex_lock(&p->update_mutex);
pthread_cond_wait(&p->update_cv, &p->update_mutex);
pthread_mutex_unlock(&p->update_mutex);
}
pthread_exit(NULL);
}
/****************************************************************************
Message Handler: grab_job() -> no_job(), job_assign(handle, func, arg)
****************************************************************************/
int msg_grab_job(Client *cli, unsigned char *arg, int argsize)
{
Job *job = NULL;
Ability *ability = NULL;
int nabilities = cli->abilities->len;
int i;
for(i = 0; i < nabilities && !job; i++) {
cli->ability_iter = (cli->ability_iter + 1) % nabilities;
ability = g_ptr_array_index(cli->abilities, cli->ability_iter);
job = jobqueue_pop(g_jobqueue, ability->func);
}
if (!job) {
#if DEBUG
g_debug("[%s] grab_job - no job", cli->id);
#endif
MemBlock *block = simple_response(MSG_NO_JOB);
client_send(cli, block);
} else {
#if DEBUG
g_debug("[%s] grab_job - assigned %s %s", cli->id, ability->func, job->handle);
#endif
job->worker = cli;
client_add_working(cli, job);
int data_len = strlen(job->handle) + strlen(job->func) + job->arg_len + 2;
MemBlock *block = new_response(MSG_JOB_ASSIGN, data_len, NULL);
unsigned char *p = block->bytes + HEADER_SIZE;
p += sprintf((char*)p, job->handle) + 1;
p += sprintf((char*)p, job->func) + 1;
memcpy(p, job->arg, job->arg_len);
client_send(cli, block);
if (ability->timeout > 0) {
struct timeval tv = {ability->timeout, 0};
job->timeout = ability->timeout;
evtimer_set(&job->work_timer, (void*)_work_timeout, job);
evtimer_add(&job->work_timer, &tv);
}
}
return 0;
}
