static zyre_group_t *
zyre_node_require_peer_group (zyre_node_t *self, char *name)
{
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->peer_groups, name);
if (!group)
group = zyre_group_new (name, self->peer_groups);
return group;
}
void
zyre_group_test (bool verbose)
{
printf (" * zyre_group: ");
zsock_t *mailbox = zsock_new (ZMQ_DEALER);
zsock_bind (mailbox, "tcp://127.0.0.1:5552");
zhash_t *groups = zhash_new ();
zyre_group_t *group = zyre_group_new ("tests", groups);
zhash_t *peers = zhash_new ();
zuuid_t *you = zuuid_new ();
zuuid_t *me = zuuid_new ();
zyre_peer_t *peer = zyre_peer_new (peers, you);
assert (!zyre_peer_connected (peer));
zyre_peer_connect (peer, me, "tcp://127.0.0.1:5552");
assert (zyre_peer_connected (peer));
zyre_group_join (group, peer);
zre_msg_t *msg = zre_msg_new (ZRE_MSG_HELLO);
zre_msg_set_endpoint (msg, "tcp://127.0.0.1:5552");
zyre_group_send (group, &msg);
msg = zre_msg_recv (mailbox);
assert (msg);
if (verbose)
zre_msg_print (msg);
zre_msg_destroy (&msg);
zuuid_destroy (&me);
zuuid_destroy (&you);
zhash_destroy (&peers);
zhash_destroy (&groups);
zsock_destroy (&mailbox);
printf ("OK\n");
}
static int
zyre_node_recv_api (zyre_node_t *self)
{
// Get the whole message off the pipe in one go
zmsg_t *request = zmsg_recv (self->pipe);
char *command = zmsg_popstr (request);
if (!command)
return -1; // Interrupted
if (streq (command, "SET")) {
char *name = zmsg_popstr (request);
char *value = zmsg_popstr (request);
zhash_update (self->headers, name, value);
zstr_free (&name);
zstr_free (&value);
}
else
if (streq (command, "START")) {
zyre_node_start (self);
zstr_send (self->pipe, "OK");
}
else
if (streq (command, "STOP")) {
zyre_node_stop (self);
zstr_send (self->pipe, "OK");
}
else
if (streq (command, "WHISPER")) {
// Get peer to send message to
char *identity = zmsg_popstr (request);
zyre_peer_t *peer = (zyre_peer_t *) zhash_lookup (self->peers, identity);
// Send frame on out to peer's mailbox, drop message
// if peer doesn't exist (may have been destroyed)
if (peer) {
zre_msg_t *msg = zre_msg_new (ZRE_MSG_WHISPER);
zre_msg_set_content (msg, request);
zyre_peer_send (peer, &msg);
request = NULL;
}
zstr_free (&identity);
}
else
if (streq (command, "SHOUT")) {
// Get group to send message to
char *name = zmsg_popstr (request);
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->peer_groups, name);
if (group) {
zre_msg_t *msg = zre_msg_new (ZRE_MSG_SHOUT);
zre_msg_set_group (msg, name);
zre_msg_set_content (msg, request);
zyre_group_send (group, &msg);
request = NULL;
}
zstr_free (&name);
}
else
if (streq (command, "JOIN")) {
char *name = zmsg_popstr (request);
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->own_groups, name);
if (!group) {
// Only send if we're not already in group
group = zyre_group_new (name, self->own_groups);
zre_msg_t *msg = zre_msg_new (ZRE_MSG_JOIN);
zre_msg_set_group (msg, name);
// Update status before sending command
zre_msg_set_status (msg, ++(self->status));
zhash_foreach (self->peers, zyre_node_send_peer, msg);
zre_msg_destroy (&msg);
zyre_log_info (self->log, ZRE_LOG_MSG_EVENT_JOIN, NULL, name);
}
zstr_free (&name);
}
else
if (streq (command, "LEAVE")) {
char *name = zmsg_popstr (request);
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->own_groups, name);
if (group) {
// Only send if we are actually in group
zre_msg_t *msg = zre_msg_new (ZRE_MSG_LEAVE);
zre_msg_set_group (msg, name);
// Update status before sending command
zre_msg_set_status (msg, ++(self->status));
zhash_foreach (self->peers, zyre_node_send_peer, msg);
zre_msg_destroy (&msg);
zhash_delete (self->own_groups, name);
zyre_log_info (self->log, ZRE_LOG_MSG_EVENT_LEAVE, NULL, name);
}
zstr_free (&name);
}
else
if (streq (command, "TERMINATE")) {
self->terminated = true;
zstr_send (self->pipe, "OK");
}
zstr_free (&command);
zmsg_destroy (&request);
return 0;
}
static void
zyre_node_recv_api (zyre_node_t *self)
{
// Get the whole message off the pipe in one go
zmsg_t *request = zmsg_recv (self->pipe);
if (!request)
return; // Interrupted
char *command = zmsg_popstr (request);
if (streq (command, "UUID"))
zstr_send (self->pipe, zuuid_str (self->uuid));
else
if (streq (command, "NAME"))
zstr_send (self->pipe, self->name);
else
if (streq (command, "SET NAME")) {
free (self->name);
self->name = zmsg_popstr (request);
assert (self->name);
}
else
if (streq (command, "SET HEADER")) {
char *name = zmsg_popstr (request);
char *value = zmsg_popstr (request);
zhash_update (self->headers, name, value);
zstr_free (&name);
zstr_free (&value);
}
else
if (streq (command, "SET VERBOSE"))
self->verbose = true;
else
if (streq (command, "SET PORT")) {
char *value = zmsg_popstr (request);
self->beacon_port = atoi (value);
zstr_free (&value);
}
else
if (streq (command, "SET INTERVAL")) {
char *value = zmsg_popstr (request);
self->interval = atol (value);
zstr_free (&value);
}
else
if (streq (command, "SET ENDPOINT")) {
zyre_node_gossip_start (self);
char *endpoint = zmsg_popstr (request);
if (zsock_bind (self->inbox, "%s", endpoint) != -1) {
zstr_free (&self->endpoint);
self->endpoint = endpoint;
zsock_signal (self->pipe, 0);
}
else {
zstr_free (&endpoint);
zsock_signal (self->pipe, 1);
}
}
else
if (streq (command, "GOSSIP BIND")) {
zyre_node_gossip_start (self);
zstr_free (&self->gossip_bind);
self->gossip_bind = zmsg_popstr (request);
zstr_sendx (self->gossip, "BIND", self->gossip_bind, NULL);
}
else
if (streq (command, "GOSSIP CONNECT")) {
zyre_node_gossip_start (self);
zstr_free (&self->gossip_connect);
self->gossip_connect = zmsg_popstr (request);
zstr_sendx (self->gossip, "CONNECT", self->gossip_connect, NULL);
}
else
if (streq (command, "START"))
zsock_signal (self->pipe, zyre_node_start (self));
else
if (streq (command, "STOP"))
zsock_signal (self->pipe, zyre_node_stop (self));
else
if (streq (command, "WHISPER")) {
// Get peer to send message to
char *identity = zmsg_popstr (request);
zyre_peer_t *peer = (zyre_peer_t *) zhash_lookup (self->peers, identity);
// Send frame on out to peer's mailbox, drop message
// if peer doesn't exist (may have been destroyed)
if (peer) {
zre_msg_t *msg = zre_msg_new (ZRE_MSG_WHISPER);
zre_msg_set_content (msg, &request);
zyre_peer_send (peer, &msg);
}
zstr_free (&identity);
}
else
if (streq (command, "SHOUT")) {
// Get group to send message to
char *name = zmsg_popstr (request);
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->peer_groups, name);
if (group) {
zre_msg_t *msg = zre_msg_new (ZRE_MSG_SHOUT);
zre_msg_set_group (msg, name);
zre_msg_set_content (msg, &request);
zyre_group_send (group, &msg);
}
zstr_free (&name);
}
else
if (streq (command, "JOIN")) {
char *name = zmsg_popstr (request);
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->own_groups, name);
if (!group) {
// Only send if we're not already in group
group = zyre_group_new (name, self->own_groups);
zre_msg_t *msg = zre_msg_new (ZRE_MSG_JOIN);
zre_msg_set_group (msg, name);
// Update status before sending command
zre_msg_set_status (msg, ++(self->status));
zhash_foreach (self->peers, (zhash_foreach_fn *) zyre_node_send_peer, msg);
zre_msg_destroy (&msg);
if (self->verbose)
zsys_info ("(%s) JOIN group=%s", self->name, name);
}
zstr_free (&name);
}
else
if (streq (command, "LEAVE")) {
char *name = zmsg_popstr (request);
zyre_group_t *group = (zyre_group_t *) zhash_lookup (self->own_groups, name);
if (group) {
// Only send if we are actually in group
zre_msg_t *msg = zre_msg_new (ZRE_MSG_LEAVE);
zre_msg_set_group (msg, name);
// Update status before sending command
zre_msg_set_status (msg, ++(self->status));
zhash_foreach (self->peers, (zhash_foreach_fn *) zyre_node_send_peer, msg);
zre_msg_destroy (&msg);
zhash_delete (self->own_groups, name);
if (self->verbose)
zsys_info ("(%s) LEAVE group=%s", self->name, name);
}
zstr_free (&name);
}
else
if (streq (command, "PEERS"))
zsock_send (self->pipe, "p", zhash_keys (self->peers));
else
if (streq (command, "PEER ENDPOINT")) {
char *uuid = zmsg_popstr (request);
zyre_peer_t *peer = (zyre_peer_t *) zhash_lookup (self->peers, uuid);
assert (peer);
zsock_send (self->pipe, "s", zyre_peer_endpoint (peer));
zstr_free (&uuid);
}
else
if (streq (command, "PEER NAME")) {
char *uuid = zmsg_popstr (request);
zyre_peer_t *peer = (zyre_peer_t *) zhash_lookup (self->peers, uuid);
assert (peer);
zsock_send (self->pipe, "s", zyre_peer_name (peer));
zstr_free (&uuid);
}
else
if (streq (command, "PEER HEADER")) {
char *uuid = zmsg_popstr (request);
char *key = zmsg_popstr (request);
zyre_peer_t *peer = (zyre_peer_t *) zhash_lookup (self->peers, uuid);
if (!peer)
zstr_send (self->pipe, "");
else
zstr_send (self->pipe, zyre_peer_header (peer, key, NULL));
zstr_free (&uuid);
zstr_free (&key);
}
else
if (streq (command, "PEER GROUPS"))
zsock_send (self->pipe, "p", zhash_keys (self->peer_groups));
else
if (streq (command, "OWN GROUPS"))
zsock_send (self->pipe, "p", zhash_keys (self->own_groups));
else
if (streq (command, "DUMP"))
zyre_node_dump (self);
else
if (streq (command, "$TERM"))
self->terminated = true;
else {
zsys_error ("invalid command '%s'", command);
assert (false);
}
zstr_free (&command);
zmsg_destroy (&request);
}