169 lines
3.9 KiB
C
169 lines
3.9 KiB
C
#if 0
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../../core/error.h"
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#include <pthread.h>
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// WORKERS: one thread per client
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void pubsubd_workers_init (struct workers *wrkrs) { LIST_INIT(wrkrs); }
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struct worker * pubsubd_workers_add (struct workers *wrkrs, const struct worker *w)
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{
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if (wrkrs == NULL || w == NULL) {
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printf ("pubsubd_workers_add: wrkrs == NULL or w == NULL");
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return NULL;
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}
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struct worker *n = malloc (sizeof (struct worker));
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memset (n, 0, sizeof (struct worker));
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memcpy (n, w, sizeof (struct worker));
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if (w->ale != NULL)
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n->ale = pubsubd_subscriber_copy (w->ale);
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LIST_INSERT_HEAD(wrkrs, n, entries);
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return n;
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}
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void pubsubd_worker_del (struct workers *wrkrs, struct worker *w)
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{
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struct worker *todel = pubsubd_worker_get (wrkrs, w);
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if(todel != NULL) {
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LIST_REMOVE(todel, entries);
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pubsubd_worker_free (todel);
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free (todel);
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todel = NULL;
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}
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}
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// kill the threads
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void pubsubd_workers_stop (struct workers *wrkrs)
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{
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if (!wrkrs)
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return;
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struct worker *w = NULL;
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struct worker *wtmp = NULL;
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LIST_FOREACH_SAFE(w, wrkrs, entries, wtmp) {
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if (w->thr == NULL)
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continue;
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pthread_cancel (*w->thr);
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void *ret = NULL;
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pthread_join (*w->thr, &ret);
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if (ret != NULL) {
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free (ret);
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}
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free (w->thr);
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w->thr = NULL;
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}
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}
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void pubsubd_workers_del_all (struct workers *wrkrs)
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{
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if (!wrkrs)
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return;
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struct worker *w = NULL;
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while (!LIST_EMPTY(wrkrs)) {
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printf ("KILL THE WORKERS : %p\n", w);
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w = LIST_FIRST(wrkrs);
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LIST_REMOVE(w, entries);
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pubsubd_worker_free (w);
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free (w);
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w = NULL;
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}
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}
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void pubsubd_worker_free (struct worker * w)
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{
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if (w == NULL)
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return;
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pubsubd_subscriber_free (w->ale);
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free (w->ale);
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w->ale = NULL;
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}
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struct worker * pubsubd_worker_get (struct workers *wrkrs, struct worker *w)
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{
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struct worker * np = NULL;
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LIST_FOREACH(np, wrkrs, entries) {
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if (pubsubd_worker_eq (np, w))
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return np;
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}
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return NULL;
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}
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int pubsubd_worker_eq (const struct worker *w1, const struct worker *w2)
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{
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return w1 == w2; // if it's the same pointer
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}
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// a thread for each connected client
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void * pubsubd_worker_thread (void *params)
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{
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int s = 0;
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s = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
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if (s != 0)
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printf ("pthread_setcancelstate: %d\n", s);
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struct worker *w = (struct worker *) params;
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if (w == NULL) {
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fprintf (stderr, "error pubsubd_worker_thread : params NULL\n");
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return NULL;
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}
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struct channels *chans = w->chans;
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struct channel *chan = w->chan;
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struct subscriber *ale = w->ale;
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// main loop
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while (1) {
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struct pubsub_msg m;
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memset (&m, 0, sizeof (struct pubsub_msg));
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pubsub_message_recv (ale->p, &m);
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if (m.type == PUBSUB_TYPE_DISCONNECT) {
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// printf ("client %d disconnecting...\n", ale->p->pid);
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if ( 0 != pubsubd_subscriber_del (chan->alh, ale)) {
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fprintf (stderr, "err : subscriber not registered\n");
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}
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break;
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}
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else {
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struct channel *ch = pubsubd_channel_search (chans, chan->chan);
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if (ch == NULL) {
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printf ("CHAN NOT FOUND\n");
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}
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else {
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printf ("what should be sent: ");
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pubsub_message_print (&m);
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printf ("send the message to:\t");
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pubsubd_channel_print (ch);
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pubsub_message_send (ch->alh, &m);
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}
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}
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pubsub_message_free (&m);
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}
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pubsubd_subscriber_free (ale);
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free (w->ale);
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w->ale = NULL;
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free (w->thr);
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w->thr = NULL;
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pubsubd_worker_del (w->my_workers, w);
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pthread_exit (NULL);
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}
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#endif
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