JNIEXPORT jstring JNICALL
Java_org_zeromq_zyre_Zyre__1_1name (JNIEnv *env, jclass c, jlong self)
{
char *name_ = (char *) zyre_name ((zyre_t *) (intptr_t) self);
jstring return_string_ = (*env)->NewStringUTF (env, name_);
return return_string_;
}
static void
generate_chat_message (client_t *self)
{
example_peer_msg_set_name(self->message,zyre_name(self->zyre));
example_peer_msg_set_uuid(self->message,zyre_uuid(self->zyre));
example_peer_msg_set_message(self->message,self->args->message);
}
GroupNodeImpl::GroupNodeImpl(const std::string& desc, bool promiscuous)
: event_thread_(NULL), prom_thread_(NULL), promiscuous_(promiscuous), stopped_(false)
{
// create the zyre node
node_ = zyre_new((GroupNode::name() + "/" + desc).c_str());
// verbose output
zyre_set_verbose(node_);
// set the interface to use, otherwise zyre just guesses (default "")
zyre_set_interface(node_, GroupNode::iface().c_str());
// set the headers
zyre_set_header(node_, "desc", "%s", desc.c_str());
// access our uuid
std::string uuid = zyre_uuid(node_);
// access our name
node_name_ = zyre_name(node_);
// start the node
if (zyre_start(node_)) {
throw std::runtime_error("Could not start the zyre node");
}
// join the control group - too heavy
if (zyre_join(node_, GroupNode::control_.c_str())) {
throw std::runtime_error("Error joining CONTROL group");
}
// create our self peer
self_.reset(new Peer(uuid, desc));
/* we want to minimize the groups joined and messages sent -
especially by other non-promiscuous components; in order to do
so, we need to periodically join all the known groups.
*/
if (promiscuous_) {
prom_thread_ = new std::thread(&GroupNodeImpl::update_groups, this);
BOOST_LOG_TRIVIAL(debug) << "Started promiscuous group thread..." << std::endl;
}
}
void
zyre_test (bool verbose)
{
printf (" * zyre: ");
// @selftest
// We'll use inproc gossip discovery so that this works without networking
int major, minor, patch;
zyre_version (&major, &minor, &patch);
assert (major == ZYRE_VERSION_MAJOR);
assert (minor == ZYRE_VERSION_MINOR);
assert (patch == ZYRE_VERSION_PATCH);
// Create two nodes
zyre_t *node1 = zyre_new ("node1");
assert (node1);
assert (streq (zyre_name (node1), "node1"));
zyre_set_header (node1, "X-HELLO", "World");
zyre_set_verbose (node1);
// Set inproc endpoint for this node
zyre_set_endpoint (node1, "inproc://zyre-node1");
// Set up gossip network for this node
zyre_gossip_bind (node1, "inproc://gossip-hub");
int rc = zyre_start (node1);
assert (rc == 0);
zyre_t *node2 = zyre_new ("node2");
assert (node2);
assert (streq (zyre_name (node2), "node2"));
zyre_set_verbose (node2);
// Set inproc endpoint for this node
// First, try to use existing name, it'll fail
zyre_set_endpoint (node2, "inproc://zyre-node1");
assert (streq (zyre_endpoint (node2), ""));
// Now use available name and confirm that it succeeds
zyre_set_endpoint (node2, "inproc://zyre-node2");
assert (streq (zyre_endpoint (node2), "inproc://zyre-node2"));
// Set up gossip network for this node
zyre_gossip_connect (node2, "inproc://gossip-hub");
rc = zyre_start (node2);
assert (rc == 0);
assert (strneq (zyre_uuid (node1), zyre_uuid (node2)));
zyre_join (node1, "GLOBAL");
zyre_join (node2, "GLOBAL");
// Give time for them to interconnect
zclock_sleep (100);
// One node shouts to GLOBAL
zyre_shouts (node1, "GLOBAL", "Hello, World");
// Second node should receive ENTER, JOIN, and SHOUT
zmsg_t *msg = zyre_recv (node2);
assert (msg);
char *command = zmsg_popstr (msg);
assert (streq (command, "ENTER"));
zstr_free (&command);
assert (zmsg_size (msg) == 4);
char *peerid = zmsg_popstr (msg);
zstr_free (&peerid);
char *name = zmsg_popstr (msg);
assert (streq (name, "node1"));
zstr_free (&name);
zframe_t *headers_packed = zmsg_pop (msg);
char *peeraddress = zmsg_popstr (msg);
zstr_free (&peeraddress);
assert (headers_packed);
zhash_t *headers = zhash_unpack (headers_packed);
assert (headers);
zframe_destroy (&headers_packed);
assert (streq ((char*)zhash_lookup (headers, "X-HELLO"), "World"));
zhash_destroy (&headers);
zmsg_destroy (&msg);
msg = zyre_recv (node2);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "JOIN"));
zstr_free (&command);
assert (zmsg_size (msg) == 3);
zmsg_destroy (&msg);
msg = zyre_recv (node2);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "SHOUT"));
zstr_free (&command);
zmsg_destroy (&msg);
zyre_stop (node1);
zyre_stop (node2);
zyre_destroy (&node1);
zyre_destroy (&node2);
// @end
printf ("OK\n");
}
///
// Return our node name, after successful initialization
const QString QmlZyre::name () {
return QString (zyre_name (self));
};
static int
server_join_cluster (server_t *self)
{
self->zyre = zyre_new (zconfig_resolve (self->config, "zyre/name", NULL));
// Get Zyre configuration properties
char *value = zconfig_resolve (self->config, "zyre/discovery", "beacon");
if (streq (value, "beacon")) {
// Set-up UDP beacon discovery
zsys_info ("using UDP beacon discovery service");
value = zconfig_resolve (self->config, "zyre/beacon/interface", "auto");
if (strneq (value, "auto")) {
zsys_info ("forcing cluster interface to %s", value);
zyre_set_interface (self->zyre, value);
}
value = zconfig_resolve (self->config, "zyre/beacon/interval", NULL);
if (value)
zyre_set_interval (self->zyre, atoi (value));
value = zconfig_resolve (self->config, "zyre/beacon/port", NULL);
if (value) {
zsys_info ("UDP beaconing on port %s", value);
zyre_set_port (self->zyre, atoi (value));
}
}
else
if (streq (value, "gossip")) {
// Set-up TCP gossip discovery
zsys_info ("using TCP gossip discovery service");
zconfig_t *section = zconfig_locate (self->config, "zyre/gossip");
if (!section) {
zsys_warning ("please configure zyre/gossip section");
return -1;
}
zconfig_t *entry = zconfig_child (section);
while (entry) {
char *name = zconfig_name (entry);
char *value = zconfig_value (entry);
if (streq (name, "endpoint")) {
zsys_info ("Zyre node endpoint=%s", value);
zyre_set_endpoint (self->zyre, "%s", value);
}
else
if (streq (name, "bind")) {
zsys_info ("gossip service bind to %s", value);
zyre_gossip_bind (self->zyre, "%s", value);
}
else
if (streq (name, "connect")) {
zsys_info ("gossip service connect to %s", value);
zyre_gossip_connect (self->zyre, "%s", value);
}
else
zsys_warning ("unknown zyre/gossip entry '%s' ignored", name);
entry = zconfig_next (entry);
}
}
else {
zsys_error ("bad zyre/discovery=%s (use beacon|gossip)", value);
assert (0);
}
if (zyre_start (self->zyre)) {
zsys_warning ("clustering not working");
return -1; // Can't join cluster
}
zyre_join (self->zyre, "ZPIPES");
// Get Zyre public name for logging
self->name = strdup (zyre_name (self->zyre));
zsys_info ("joining cluster as %s", self->name);
// Set-up reader for Zyre events
engine_handle_socket (self, zyre_socket (self->zyre), zyre_handler);
return 0;
}
void
zyre_test (bool verbose)
{
printf (" * zyre: ");
if (verbose)
printf ("\n");
// @selftest
// We'll use inproc gossip discovery so that this works without networking
uint64_t version = zyre_version ();
assert ((version / 10000) % 100 == ZYRE_VERSION_MAJOR);
assert ((version / 100) % 100 == ZYRE_VERSION_MINOR);
assert (version % 100 == ZYRE_VERSION_PATCH);
// Create two nodes
zyre_t *node1 = zyre_new ("node1");
assert (node1);
assert (streq (zyre_name (node1), "node1"));
zyre_set_header (node1, "X-HELLO", "World");
if (verbose)
zyre_set_verbose (node1);
// Set inproc endpoint for this node
int rc = zyre_set_endpoint (node1, "inproc://zyre-node1");
assert (rc == 0);
// Set up gossip network for this node
zyre_gossip_bind (node1, "inproc://gossip-hub");
rc = zyre_start (node1);
assert (rc == 0);
zyre_t *node2 = zyre_new ("node2");
assert (node2);
assert (streq (zyre_name (node2), "node2"));
if (verbose)
zyre_set_verbose (node2);
// Set inproc endpoint for this node
// First, try to use existing name, it'll fail
rc = zyre_set_endpoint (node2, "inproc://zyre-node1");
assert (rc == -1);
// Now use available name and confirm that it succeeds
rc = zyre_set_endpoint (node2, "inproc://zyre-node2");
assert (rc == 0);
// Set up gossip network for this node
zyre_gossip_connect (node2, "inproc://gossip-hub");
rc = zyre_start (node2);
assert (rc == 0);
assert (strneq (zyre_uuid (node1), zyre_uuid (node2)));
zyre_join (node1, "GLOBAL");
zyre_join (node2, "GLOBAL");
// Give time for them to interconnect
zclock_sleep (250);
if (verbose)
zyre_dump (node1);
zlist_t *peers = zyre_peers (node1);
assert (peers);
assert (zlist_size (peers) == 1);
zlist_destroy (&peers);
zyre_join (node1, "node1 group of one");
zyre_join (node2, "node2 group of one");
// Give them time to join their groups
zclock_sleep (250);
zlist_t *own_groups = zyre_own_groups (node1);
assert (own_groups);
assert (zlist_size (own_groups) == 2);
zlist_destroy (&own_groups);
zlist_t *peer_groups = zyre_peer_groups (node1);
assert (peer_groups);
assert (zlist_size (peer_groups) == 2);
zlist_destroy (&peer_groups);
char *value = zyre_peer_header_value (node2, zyre_uuid (node1), "X-HELLO");
assert (streq (value, "World"));
zstr_free (&value);
// One node shouts to GLOBAL
zyre_shouts (node1, "GLOBAL", "Hello, World");
// Second node should receive ENTER, JOIN, and SHOUT
zmsg_t *msg = zyre_recv (node2);
assert (msg);
char *command = zmsg_popstr (msg);
assert (streq (command, "ENTER"));
zstr_free (&command);
assert (zmsg_size (msg) == 4);
char *peerid = zmsg_popstr (msg);
char *name = zmsg_popstr (msg);
assert (streq (name, "node1"));
zstr_free (&name);
zframe_t *headers_packed = zmsg_pop (msg);
char *address = zmsg_popstr (msg);
char *endpoint = zyre_peer_address (node2, peerid);
assert (streq (address, endpoint));
zstr_free (&peerid);
zstr_free (&endpoint);
zstr_free (&address);
assert (headers_packed);
zhash_t *headers = zhash_unpack (headers_packed);
assert (headers);
zframe_destroy (&headers_packed);
assert (streq ((char *) zhash_lookup (headers, "X-HELLO"), "World"));
zhash_destroy (&headers);
zmsg_destroy (&msg);
msg = zyre_recv (node2);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "JOIN"));
zstr_free (&command);
assert (zmsg_size (msg) == 3);
zmsg_destroy (&msg);
msg = zyre_recv (node2);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "JOIN"));
zstr_free (&command);
assert (zmsg_size (msg) == 3);
zmsg_destroy (&msg);
msg = zyre_recv (node2);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "SHOUT"));
zstr_free (&command);
zmsg_destroy (&msg);
zyre_stop (node2);
msg = zyre_recv (node2);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "STOP"));
zstr_free (&command);
zmsg_destroy (&msg);
zyre_stop (node1);
zyre_destroy (&node1);
zyre_destroy (&node2);
printf ("OK\n");
#ifdef ZYRE_BUILD_DRAFT_API
if (zsys_has_curve()){
printf (" * zyre-curve: ");
if (verbose)
printf ("\n");
if (verbose)
zsys_debug("----------------TESTING CURVE --------------");
zactor_t *speaker = zactor_new (zbeacon, NULL);
assert (speaker);
if (verbose)
zstr_sendx (speaker, "VERBOSE", NULL);
// ensuring we have a broadcast address
zsock_send (speaker, "si", "CONFIGURE", 9999);
char *hostname = zstr_recv (speaker);
if (!*hostname) {
printf ("OK (skipping test, no UDP broadcasting)\n");
zactor_destroy (&speaker);
freen (hostname);
return;
}
freen (hostname);
zactor_destroy (&speaker);
// zap setup
zactor_t *auth = zactor_new(zauth, NULL);
assert (auth);
if (verbose) {
zstr_sendx(auth, "VERBOSE", NULL);
zsock_wait(auth);
}
zstr_sendx (auth, "CURVE", CURVE_ALLOW_ANY, NULL);
zsock_wait (auth);
zyre_t *node3 = zyre_new ("node3");
zyre_t *node4 = zyre_new ("node4");
assert (node3);
assert (node4);
zyre_set_verbose (node3);
zyre_set_verbose (node4);
zyre_set_zap_domain(node3, "TEST");
zyre_set_zap_domain(node4, "TEST");
zsock_set_rcvtimeo(node3->inbox, 10000);
zsock_set_rcvtimeo(node4->inbox, 10000);
zcert_t *node3_cert = zcert_new ();
zcert_t *node4_cert = zcert_new ();
assert (node3_cert);
assert (node4_cert);
zyre_set_zcert(node3, node3_cert);
zyre_set_zcert(node4, node4_cert);
zyre_set_header(node3, "X-PUBLICKEY", "%s", zcert_public_txt(node3_cert));
zyre_set_header(node4, "X-PUBLICKEY", "%s", zcert_public_txt(node4_cert));
// test beacon
if (verbose)
zsys_debug ("----------------TESTING BEACON----------------");
rc = zyre_start(node3);
assert (rc == 0);
rc = zyre_start(node4);
assert (rc == 0);
zyre_join (node3, "GLOBAL");
zyre_join (node4, "GLOBAL");
zclock_sleep (1500);
if (verbose) {
zyre_dump (node3);
zyre_dump (node4);
}
zyre_shouts (node3, "GLOBAL", "Hello, World");
// Second node should receive ENTER, JOIN, and SHOUT
msg = zyre_recv (node4);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "ENTER"));
zstr_free (&command);
char *peerid = zmsg_popstr (msg);
assert (peerid);
name = zmsg_popstr (msg);
assert (streq (name, "node3"));
zmsg_destroy (&msg);
msg = zyre_recv (node4);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "JOIN"));
zstr_free (&command);
zmsg_destroy(&msg);
msg = zyre_recv (node4);
assert (msg);
command = zmsg_popstr (msg);
assert (streq (command, "SHOUT"));
zstr_free (&command);
zmsg_destroy(&msg);
zyre_leave(node3, "GLOBAL");
zyre_leave(node4, "GLOBAL");
zstr_free (&name);
zstr_free (&peerid);
zstr_free (&command);
zyre_stop (node3);
zyre_stop (node4);
// give things a chance to settle...
zclock_sleep (250);
zyre_destroy(&node3);
zyre_destroy(&node4);
zcert_destroy(&node3_cert);
zcert_destroy(&node4_cert);
// test gossip
if (verbose)
zsys_debug ("----------------TESTING GOSSIP----------------");
zyre_t *node5 = zyre_new ("node5");
zyre_t *node6 = zyre_new ("node6");
assert (node5);
assert (node6);
if (verbose) {
zyre_set_verbose (node5);
zyre_set_verbose (node6);
}
// if it takes more than 10s, something probably went terribly wrong
zsock_set_rcvtimeo(node5->inbox, 10000);
zsock_set_rcvtimeo(node6->inbox, 10000);
zcert_t *node5_cert = zcert_new ();
zcert_t *node6_cert = zcert_new ();
assert (node5_cert);
assert (node6_cert);
zyre_set_zcert(node5, node5_cert);
zyre_set_zcert(node6, node6_cert);
zyre_set_header(node5, "X-PUBLICKEY", "%s", zcert_public_txt(node5_cert));
zyre_set_header(node6, "X-PUBLICKEY", "%s", zcert_public_txt(node6_cert));
const char *gossip_cert = zcert_public_txt (node5_cert);
// TODO- need to add zyre_gossip_port functions to get port from gossip bind(?)
zyre_gossip_bind(node5, "tcp://127.0.0.1:9001");
zyre_gossip_connect_curve(node6, gossip_cert, "tcp://127.0.0.1:9001");
zyre_start(node5);
zsock_wait(node5);
zyre_start(node6);
zsock_wait(node6);
zyre_join (node5, "GLOBAL");
zyre_join (node6, "GLOBAL");
// give things a chance to settle...
zclock_sleep (1500);
if (verbose) {
zyre_dump (node5);
zyre_dump (node6);
}
zyre_shouts (node5, "GLOBAL", "Hello, World");
// Second node should receive ENTER, JOIN, and SHOUT
msg = zyre_recv (node6);
assert (msg);
command = zmsg_popstr (msg);
zsys_info(command);
assert (streq (command, "ENTER"));
zstr_free (&command);
peerid = zmsg_popstr (msg);
assert (peerid);
name = zmsg_popstr (msg);
zmsg_destroy (&msg);
assert (streq (name, "node5"));
zstr_free (&name);
zyre_leave(node5, "GLOBAL");
zyre_leave(node6, "GLOBAL");
zyre_stop (node5);
zyre_stop (node6);
// give things a chance to settle...
zclock_sleep (250);
zstr_free (&peerid);
zcert_destroy (&node5_cert);
zcert_destroy (&node6_cert);
zyre_destroy(&node5);
zyre_destroy(&node6);
zactor_destroy(&auth);
printf ("OK\n");
}
#endif
}
///
// Return our node name, after successful initialization
const QString QZyre::name ()
{
const QString rv = QString (zyre_name (self));
return rv;
}
std::string name() const
{
return zyre_name(m_self);
}
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_peer_name (event));
else
if (zyre_event_type (event) == ZYRE_EVENT_LEAVE)
zsys_info ("[%s] player left", zyre_event_peer_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;
}
