void subscriber(zsock_t *pipe, void *args) { set_thread_name("subscriber[0]"); int rc; zconfig_t* config = args; subscriber_state_t *state = subscriber_state_new(pipe, config, hosts); // signal readyiness after sockets have been created zsock_signal(pipe, 0); // subscribe to either all messages, or a subset setup_subscriptions(state); // set up event loop zloop_t *loop = zloop_new(); assert(loop); zloop_set_verbose(loop, 0); // setup handler for actor messages rc = zloop_reader(loop, state->pipe, actor_command, state); assert(rc == 0); // setup handler for the sub socket rc = zloop_reader(loop, state->sub_socket, read_request_and_forward, state); assert(rc == 0); // setup handler for the router socket rc = zloop_reader(loop, state->router_socket, read_router_request_forward, state); assert(rc == 0); // setup handler for the pull socket rc = zloop_reader(loop, state->pull_socket, read_request_and_forward, state); assert(rc == 0); // run the loop if (!quiet) fprintf(stdout, "[I] subscriber: listening\n"); bool should_continue_to_run = getenv("CPUPROFILE") != NULL; do { rc = zloop_start(loop); should_continue_to_run &= errno == EINTR; log_zmq_error(rc, __FILE__, __LINE__); } while (should_continue_to_run); if (!quiet) fprintf(stdout, "[I] subscriber: shutting down\n"); // shutdown subscriber_state_destroy(&state); zloop_destroy(&loop); assert(loop == NULL); if (!quiet) fprintf(stdout, "[I] subscriber: terminated\n"); }
static void graylog_forwarder_subscriber(zsock_t *pipe, void *args) { set_thread_name("graylog-forwarder-subscriber"); int rc; subscriber_state_t *state = subscriber_state_new(pipe, args); // signal readyiness after sockets have been created zsock_signal(pipe, 0); // set up event loop zloop_t *loop = zloop_new(); assert(loop); zloop_set_verbose(loop, 0); // we rely on the controller shutting us down zloop_ignore_interrupts(loop); // setup handler for actor messages rc = zloop_reader(loop, state->pipe, actor_command, state); assert(rc == 0); // setup handler for the sub socket rc = zloop_reader(loop, state->sub_socket, read_request_and_forward, state); assert(rc == 0); // run the loop fprintf(stdout, "[I] subscriber: listening\n"); bool should_continue_to_run = getenv("CPUPROFILE") != NULL; do { rc = zloop_start(loop); should_continue_to_run &= errno == EINTR; if (!zsys_interrupted) log_zmq_error(rc, __FILE__, __LINE__); } while (should_continue_to_run); fprintf(stdout, "[I] subscriber: shutting down\n"); // shutdown subscriber_state_destroy(&state); zloop_destroy(&loop); assert(loop == NULL); fprintf(stdout, "[I] subscriber: terminated\n"); }