JNIEXPORT jstring JNICALL Java_org_zeromq_zyre_ZyreEvent__1_1name (JNIEnv *env, jclass c, jlong self) { char *name_ = (char *) zyre_event_name ((zyre_event_t *) self); jstring return_string_ = (*env)->NewStringUTF (env, name_); return return_string_; }
void zyre_event_print (zyre_event_t *self) { zsys_info ("zyre_event:"); zsys_info (" - from name=%s uuid=%s", zyre_event_name(self), zyre_event_sender(self)); switch (self->type) { case ZYRE_EVENT_ENTER: zsys_info (" - type=ENTER"); zsys_info (" - headers=%zu:", zhash_size (self->headers)); zhash_foreach (self->headers, (zhash_foreach_fn *) zyre_event_log_pair, self); zsys_info (" - address=%s", zyre_event_address(self)); break; case ZYRE_EVENT_EXIT: zsys_info (" - type=EXIT"); break; case ZYRE_EVENT_STOP: zsys_info (" - type=STOP"); break; case ZYRE_EVENT_JOIN: zsys_info (" - type=JOIN"); zsys_info (" - group=%s", zyre_event_group(self)); break; case ZYRE_EVENT_LEAVE: zsys_info (" - type=LEAVE"); zsys_info (" - group=%s", zyre_event_group(self)); break; case ZYRE_EVENT_SHOUT: zsys_info (" - type=SHOUT"); zsys_info (" - message:"); zmsg_print (self->msg); break; case ZYRE_EVENT_WHISPER: zsys_info (" - type=WHISPER"); zsys_info (" - message:"); zmsg_print (self->msg); break; case ZYRE_EVENT_EVASIVE: zsys_info (" - type=EVASIVE"); break; default: zsys_info (" - type=UNKNOWN"); break; } }
void zyre_event_test (bool verbose) { printf (" * zyre_event: "); // @selftest // Create two nodes zyre_t *node1 = zyre_new ("node1"); assert (node1); zyre_set_header (node1, "X-HELLO", "World"); zyre_set_verbose (node1); if (zyre_start (node1)) { zyre_destroy (&node1); printf ("OK (skipping test, no UDP discovery)\n"); return; } zyre_join (node1, "GLOBAL"); zyre_t *node2 = zyre_new ("node2"); assert (node2); zyre_set_verbose (node2); int rc = zyre_start (node2); assert (rc == 0); zyre_join (node2, "GLOBAL"); // Give time for them to interconnect zclock_sleep (250); // One node shouts to GLOBAL zmsg_t *msg = zmsg_new (); zmsg_addstr (msg, "Hello, World"); zyre_shout (node1, "GLOBAL", &msg); zclock_sleep (100); // Parse ENTER zyre_event_t *event = zyre_event_new (node2); assert (zyre_event_type (event) == ZYRE_EVENT_ENTER); char *sender = zyre_event_sender (event); assert (sender); char *name = zyre_event_name (event); assert (name); assert (streq (name, "node1")); char *address = zyre_event_address (event); assert (address); char *header = zyre_event_header (event, "X-HELLO"); assert (header); zyre_event_destroy (&event); // Parse JOIN event = zyre_event_new (node2); assert (zyre_event_type (event) == ZYRE_EVENT_JOIN); zyre_event_destroy (&event); // Parse SHOUT event = zyre_event_new (node2); assert (zyre_event_type (event) == ZYRE_EVENT_SHOUT); assert (streq (zyre_event_group (event), "GLOBAL")); msg = zyre_event_msg (event); char *string = zmsg_popstr (msg); assert (streq (string, "Hello, World")); free (string); zyre_event_destroy (&event); zyre_destroy (&node1); zyre_destroy (&node2); // @end printf ("OK\n"); }
/// // Return the sending peer's public name as a string const QString QmlZyreEvent::name () { return QString (zyre_event_name (self)); };
int main (int argc, char *argv []) { puts (PRODUCT); puts (COPYRIGHT); puts (NOWARRANTY); int argn = 1; bool verbose = false; if (argn < argc && streq (argv [argn], "-h")) { puts ("syntax: hydrad [ directory ]"); puts (" -- defaults to .hydra in current directory"); exit (0); } if (argn < argc && streq (argv [argn], "-v")) { verbose = true; argn++; } // By default, current node runs in .hydra directory; create this if // it's missing (don't create directory passed as argument); char *workdir = ".hydra"; if (argn < argc) workdir = argv [argn++]; else zsys_dir_create (workdir); // ---------------------------------------------------------------------- // This code eventually goes into a reusable hydra actor class // Switch to working directory zsys_info ("hydrad: data store in %s directory", workdir); if (zsys_dir_change (workdir)) { zsys_error ("hydrad: cannot access %s: %s", workdir, strerror (errno)); return 1; } // Check we are the only process currently running here if (zsys_run_as ("hydrad.lock", NULL, NULL)) { zsys_error ("hydrad: cannot start process safely, exiting"); return 1; } // Get node identity from config file, or generate new identity zconfig_t *config = zconfig_load ("hydra.cfg"); if (!config) { // Set defaults for Hydra service config = zconfig_new ("root", NULL); zconfig_put (config, "/server/timeout", "5000"); zconfig_put (config, "/server/background", "0"); zconfig_put (config, "/server/verbose", "0"); } char *identity = zconfig_resolve (config, "/hydra/identity", NULL); if (!identity) { zuuid_t *uuid = zuuid_new (); zconfig_put (config, "/hydra/identity", zuuid_str (uuid)); zconfig_put (config, "/hydra/nickname", "Anonymous"); zconfig_save (config, "hydra.cfg"); zuuid_destroy (&uuid); } // Create store structure, if necessary zsys_dir_create ("content"); zsys_dir_create ("posts"); // Start server and bind to ephemeral TCP port. We can run many // servers on the same box, for testing. zactor_t *server = zactor_new (hydra_server, NULL); if (verbose) zstr_send (server, "VERBOSE"); // Bind Hydra service to ephemeral port and get that port number char *command; int port_nbr; zsock_send (server, "ss", "CONFIGURE", "hydra.cfg"); zsock_send (server, "ss", "BIND", "tcp://*:*"); zsock_send (server, "s", "PORT"); zsock_recv (server, "si", &command, &port_nbr); zsys_info ("hydrad: TCP server started on port=%d", port_nbr); assert (streq (command, "PORT")); free (command); // We're going to use Zyre for discovery and presence, and our own // Hydra protocol for content exchange zyre_t *zyre = zyre_new (NULL); if (verbose) zyre_set_verbose (zyre); char *hostname = zsys_hostname (); char *endpoint = zsys_sprintf ("tcp://%s:%d", hostname, port_nbr); zyre_set_header (zyre, "X-HYDRA", "%s", endpoint); zstr_free (&endpoint); zstr_free (&hostname); if (zyre_start (zyre)) { zsys_info ("hydrad: can't start Zyre discovery service"); zactor_destroy (&server); zyre_destroy (&zyre); return 1; } // When we get a new peer, handle it zpoller_t *poller = zpoller_new (zyre_socket (zyre), NULL); while (!zpoller_terminated (poller)) { void *which = zpoller_wait (poller, -1); if (which == zyre_socket (zyre)) { zyre_event_t *event = zyre_event_new (zyre); if (zyre_event_type (event) == ZYRE_EVENT_ENTER) { zsys_debug ("hydrad: new peer name=%s endpoint=%s", zyre_event_name (event), zyre_event_header (event, "X-HYDRA")); s_handle_peer (zyre_event_header (event, "X-HYDRA"), verbose); } zyre_event_destroy (&event); } else break; } zsys_info ("hydrad: shutting down..."); zpoller_destroy (&poller); // Shutdown all services zactor_destroy (&server); zyre_destroy (&zyre); zconfig_destroy (&config); return 0; }
std::string peer_name() const { std::string str(zyre_event_name(e_)); printf("peer_name %s", str.c_str()); return str; }
int main (int argc, char *argv []) { int argn = 1; if (argn == argc || streq (argv [argn], "-h") || streq (argv [argn], "--help")) { puts ("midicast [-v] [-p port] [-i interface]"); puts ("Reads MIDI events from port and sends to Zyre MIDI group"); puts (" -h, --help: this help"); puts (" -v, --verbose: trace events as they happen"); puts (" -p, --port: specify port name, e.g. '-p hw:1,0,0'"); puts (" -i, --interface: specify WiFi interface, e.g. '-i wlan0'"); return 0; } char *midi_port_name = "hw:2,0"; char *wifi_interface = NULL; bool verbose = false; while (argn < argc) { if (streq (argv [argn], "-p") || streq (argv [argn], "--port")) midi_port_name = argv [++argn]; else if (streq (argv [argn], "-i") || streq (argv [argn], "--interface")) wifi_interface = argv [++argn]; else if (streq (argv [argn], "-v") || streq (argv [argn], "--verbose")) verbose = true; argn++; } snd_rawmidi_t *output; int rc = snd_rawmidi_open (NULL, &output, midi_port_name, SND_RAWMIDI_SYNC); if (rc < 0) { zsys_error ("cannot open port \"%s\": %s", midi_port_name, snd_strerror (rc)); return 0; } zsys_info ("forwarding MIDI cast to %s", midi_port_name); zyre_t *zyre = zyre_new (NULL); if (wifi_interface) zyre_set_interface (zyre, wifi_interface); zyre_start (zyre); zyre_join (zyre, "MIDI"); zsys_info ("this player is %s", zyre_name (zyre)); while (!zsys_interrupted) { zyre_event_t *event = zyre_event_new (zyre); if (!event) { printf (" interrupted\n"); break; } if (zyre_event_type (event) == ZYRE_EVENT_JOIN) zsys_info ("[%s] player joined", zyre_event_name (event)); else if (zyre_event_type (event) == ZYRE_EVENT_LEAVE) zsys_info ("[%s] player left", zyre_event_name (event)); else if (zyre_event_type (event) == ZYRE_EVENT_SHOUT) { if (streq (zyre_event_group (event), "MIDI")) { zframe_t *frame = zmsg_first (zyre_event_msg (event)); // Forward the MIDI event snd_rawmidi_write (output, zframe_data (frame), zframe_size (frame)); if (verbose) { printf ("%zd:", zframe_size (frame)); int byte_nbr; for (byte_nbr = 0; byte_nbr < zframe_size (frame); byte_nbr++) printf (" %02X", zframe_data (frame) [byte_nbr]); printf ("\n"); } } } zyre_event_destroy (&event); } snd_rawmidi_close (output); zyre_destroy (&zyre); return 0; }