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libipc-old/pubsub/pubsubd.c

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#include "../lib/pubsubd.h"
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#include <stdlib.h>
struct workers *my_workers;
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void
ohshit(int rvalue, const char* str) {
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fprintf(stderr, "%s\n", str);
exit(rvalue);
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}
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int
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main(int argc, char **argv, char **env)
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{
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struct service srv;
memset (&srv, 0, sizeof (struct service));
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srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME, NULL);
printf ("Listening on %s.\n", srv.spath);
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// creates the service named pipe, that listens to client applications
if (srv_create (&srv))
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ohshit(1, "service_create error");
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// init chans list
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struct channels chans;
memset (&chans, 0, sizeof (struct channels));
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pubsubd_channels_init (&chans);
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my_workers = malloc (sizeof (struct workers));
memset (my_workers, 0, sizeof (struct workers));
pubsubd_workers_init (my_workers);
while (1) {
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// for each new process
struct app_list_elm ale;
memset (&ale, 0, sizeof (struct app_list_elm));
struct channel *chan = NULL;
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pubsubd_get_new_process (srv.spath, &ale, &chans, &chan);
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pubsubd_channels_print (&chans);
// end the application
if (ale.action == PUBSUB_QUIT) {
pubsubd_app_list_elm_free (&ale);
break;
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}
// thread to handle multiple clients at a time
struct worker *w = NULL;
w = malloc (sizeof (struct worker));
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w->thr = malloc (sizeof (pthread_t));
memset (w->thr, 0, sizeof (pthread_t));
w->ale = pubsubd_app_list_elm_copy (&ale);
w->chans = &chans;
w->my_workers = my_workers;
w->chan = chan;
struct worker *wtmp = pubsubd_workers_add (my_workers, w);
pubsubd_worker_free (w);
free (w);
w = wtmp;
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pthread_create (w->thr, NULL, pubsubd_worker_thread, w);
pthread_detach (*w->thr);
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pubsubd_app_list_elm_free (&ale);
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}
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printf ("Quitting ...\n");
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pubsubd_workers_stop (my_workers);
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pubsubd_channels_del_all (&chans);
pubsubd_workers_del_all (my_workers);
free (my_workers);
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// the application will shut down, and remove the service named pipe
if (srv_close (&srv))
ohshit (1, "srv_close error");
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return EXIT_SUCCESS;
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}