Exemple #1
0
int main (int argc, char *argv [])
{
    zctx_t *ctx = zctx_new ();

    //  Use the CZMQ zbeacon class to make sure we listen on the
    //  same network interface as our peers
    void *collector = zsocket_new (ctx, ZMQ_SUB);
    zbeacon_t *beacon = zbeacon_new (ZRE_DISCOVERY_PORT);
    char *host = zbeacon_hostname (beacon);

    //  Bind to an ephemeral port
    int port = zsocket_bind (collector, "tcp://%s:*", host);

    //  Announce this to all peers we connect to
    zre_node_t *node = zre_node_new ();
    zre_node_header_set (node, "X-ZRELOG", "tcp://%s:%d", host, port);

    //  Get all log messages (don't filter)
    zsocket_set_subscribe (collector, "");

    zmq_pollitem_t pollitems [] = {
        { collector, 0, ZMQ_POLLIN, 0 },
        { zre_node_handle (node), 0, ZMQ_POLLIN, 0 }
    };

    while (!zctx_interrupted) {
        if (zmq_poll (pollitems, 2, 1000 * ZMQ_POLL_MSEC) == -1)
            break;              //  Interrupted

        //  Handle input on collector
        if (pollitems [0].revents & ZMQ_POLLIN)
            s_print_log_msg (collector);

        //  Handle event from node (ignore it)
        if (pollitems [1].revents & ZMQ_POLLIN) {
            zmsg_t *msg = zre_node_recv (node);
            if (!msg)
                break;              //  Interrupted
            zmsg_destroy (&msg);
        }
    }
    zre_node_destroy (&node);
    zbeacon_destroy (&beacon);
    zctx_destroy (&ctx);
    return 0;
}
Exemple #2
0
int main (int argc, char *argv [])
{
    zctx_t *ctx = zctx_new ();

    //  Use the CZMQ zbeacon class to make sure we listen on the
    //  same network interface as our peers
    zbeacon_t *beacon = zbeacon_new (ctx, ZRE_DISCOVERY_PORT);
    char *host = zbeacon_hostname (beacon);

    //  Bind to an ephemeral port
    void *collector = zsocket_new (ctx, ZMQ_SUB);
    int port = zsocket_bind (collector, "tcp://%s:*", host);
    zsocket_set_subscribe (collector, "");

    //  Announce this to all peers we connect to
    zyre_t *node = zyre_new (ctx);
    zyre_set_header (node, "X-ZRELOG", "tcp://%s:%d", host, port);
    zyre_start (node);

    zpoller_t *poller = zpoller_new (collector, zyre_socket (node), NULL);
    while (!zctx_interrupted) {
        void *which = zpoller_wait (poller, -1);
        if (which == collector)
            s_print_log_msg (collector);
        else if (which == zyre_socket (node)) {
            zmsg_t *msg = zyre_recv (node);
            if (!msg)
                break;              //  Interrupted
            zmsg_destroy (&msg);
        }
        else
            break;                  //  Interrupted
    }
    zyre_destroy (&node);
    zbeacon_destroy (&beacon);
    zctx_destroy (&ctx);
    return 0;
}