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");
}
