static int
s_recv_from_zyre (s_agent_t *self)
{
zyre_event_t *event = zyre_event_new (self->zyre);
if (zyre_event_type (event) == ZYRE_EVENT_SHOUT
&& streq (zyre_event_group (event), "DROPS")) {
zmsg_t *msg = zyre_event_msg (event);
char *operation = zmsg_popstr (msg);
if (streq (operation, "CREATE")) {
char *filename = zmsg_popstr (msg);
zframe_t *frame = zmsg_pop (msg);
zfile_t *file = zfile_new (self->path, filename);
zfile_output (file);
fwrite (zframe_data (frame), 1, zframe_size (frame), zfile_handle (file));
zfile_destroy (&file);
zframe_destroy (&frame);
zstr_send (self->pipe, filename);
free (filename);
}
free (operation);
}
zyre_event_destroy (&event);
return 0;
}
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");
}
int main() {
if (!getenv("ENDPOINT")) {
fprintf (stderr, "variable ENDPOINT must be declared\n");
exit (EXIT_FAILURE);
}
char *endpoint = strdup(getenv("ENDPOINT"));
//1. start malamute
zactor_t *broker = s_broker(endpoint);
//2. shout about it through zyre
zyre_t *node = zyre_new (getenv("USER"));
assert (node);
char * UUID = strdup (zyre_uuid (node));
zsys_info ("UUID: %s", UUID);
bool to_shout = true;
//zyre_set_verbose (node);
zyre_start (node);
zyre_join (node, "MALAMUTE");
zpoller_t *poller = zpoller_new(zyre_socket (node), NULL);
time_t last_leader_shout;
// 3. get the comments
while (!zsys_interrupted) {
zsock_t *which = zpoller_wait(poller, 1000);
if (time(NULL) - last_leader_shout > 5) {
to_shout = true;
zstr_free (&UUID);
UUID = strdup (zyre_uuid (node));
zstr_free (&endpoint);
endpoint = strdup (getenv("ENDPOINT"));
zactor_destroy (&broker);
broker = s_broker (endpoint);
}
if (!which && to_shout) {
zyre_shouts (node, "MALAMUTE", "%s", endpoint);
continue;
}
zyre_event_t *event = zyre_event_new (node);
if (!event)
continue;
switch (zyre_event_type (event)) {
case ZYRE_EVENT_SHOUT:
{
int r = strcmp (UUID, zyre_event_sender (event));
if (!r)
last_leader_shout = time(NULL);
if (r >= 0)
goto event_destroy;
zsys_debug ("UUID: %s, sender: %s, strcmp: %d",
UUID,
zyre_event_sender (event),
r
);
to_shout = false;
zstr_free (&UUID);
UUID = strdup (zyre_event_sender (event));
zstr_free (&endpoint);
zmsg_t *msg = zyre_event_msg (event);
endpoint = strdup (zmsg_popstr(msg));
zactor_destroy (&broker);
broker = s_broker (endpoint);
zclock_sleep(1000);
break;
}
}
event_destroy:
zyre_event_destroy (&event);
}
zpoller_destroy (&poller);
zstr_free (&UUID);
zstr_free (&endpoint);
zyre_destroy (&node);
zactor_destroy (&broker);
}
///
// Returns the incoming message payload; the caller can modify the
// message but does not own it and should not destroy it.
QZmsg * QZyreEvent::msg ()
{
QZmsg *rv = new QZmsg (zyre_event_msg (self));
return rv;
}
///
// Returns the incoming message payload (currently one frame)
zmsg_t *QmlZyreEvent::msg () {
return zyre_event_msg (self);
};
zmsg_t* message() const
{
return zyre_event_msg(m_self);
}
void
ztask_monitor_api_loop (ztask_monitor_api_t *self)
{
zyre_t *node = zyre_new();
zyre_set_header(node, "X-ZTASK-MON", "TASK MON");
zyre_start(node);
zyre_dump(node);
if (self->pub_port >= 0)
zclock_log("Publisher is listening on port %d ...", self->pub_port);
zpoller_t *poller = zpoller_new (zyre_socket (node), NULL);
uint64_t reap_at = zclock_time () + self->pub_timeout;
zyre_event_t *event;
while (!zsys_interrupted) {
void *which = zpoller_wait (poller, self->pub_timeout);
if (zpoller_terminated (poller)) {
break;
}
if (which == zyre_socket (node)) {
event = zyre_event_new(node);
if (!event)
break;
if (zyre_event_type(event) == ZYRE_EVENT_ENTER) {
}
else
if (zyre_event_type(event) == ZYRE_EVENT_EXIT) {
char *data = (char *) zhash_lookup(self->nodes,
(const char *) zyre_event_sender(event));
if (data) {
zhash_delete(self->nodes,
(const char *) zyre_event_sender(event));
free(data);
}
}
else
if (zyre_event_type(event) == ZYRE_EVENT_WHISPER) {
zmsg_t *msg = zyre_event_msg(event);
char *cpu_str = zmsg_popstr(msg);
char *mem_rss_str = zmsg_popstr(msg);
if (self->pub_sock) {
char *data = (char *) zhash_lookup(self->nodes,
(const char *) zyre_event_sender(event));
if (data) {
zhash_delete(self->nodes,
(const char *) zyre_event_sender(event));
free(data);
}
if (asprintf(&data, "{\"id\":\"%s\",%s,%s}",
zyre_event_sender(event), cpu_str, mem_rss_str) < 0)
data = NULL;
zhash_insert(self->nodes,
(const char *) zyre_event_sender(event), data);
}
else {
zclock_log("From %s", zyre_event_sender(event));
zclock_log(" %s", cpu_str);
zclock_log(" %s", mem_rss_str);
}
free(cpu_str);
free(mem_rss_str);
}
zyre_event_destroy(&event);
}
if (zclock_time() >= reap_at) {
reap_at = zclock_time() + self->pub_timeout;
if (self->pub_sock) {
char *data = ztask_monitor_api_json (self);
if (data) {
zmsg_t *msg = zmsg_new();
zmsg_addstr(msg, data);
zclock_log("Sending %s ...", data);
zmsg_send(&msg, self->pub_sock);
free(data);
}
}
}
}
zyre_stop(node);
zpoller_destroy (&poller);
zyre_destroy(&node);
// Cleanup of self->nodes
// char *wk = (char *) zhash_first (self->nodes);
// while (wk) {
// zhash_delete (self->nodes, wk);
//// free (data);
// wk = (char *) zhash_first (self->nodes);
// }
}
JNIEXPORT jlong JNICALL
Java_org_zeromq_zyre_ZyreEvent__1_1msg (JNIEnv *env, jclass c, jlong self)
{
jlong msg_ = (jlong) zyre_event_msg ((zyre_event_t *) self);
return msg_;
}
void
ztask_run_manager_loop (ztask_run_manager_t *self)
{
assert (self);
if (!self->packetizer) {
zclock_log ("E: No packetizer set !!!");
return;
}
// Setting network interface if neede
if (self->node_interface)
zyre_set_interface(self->node, self->node_interface);
zyre_set_header (self->node, "X-ZTASK-RUN", "ZTASK RUN");
zyre_start (self->node);
zyre_dump (self->node);
zclock_sleep (10);
// ztask_packetizer_dump (self->packetizer);
ztask_packet_t *packet;
int request_sent = 0;
zyre_event_t *event;
while (!zsys_interrupted) {
if (ztask_packetizer_is_finished (self->packetizer))
break;
event = zyre_event_new (self->node);
if (!event)
break;
if (zyre_event_type (event) == ZYRE_EVENT_ENTER) {
// Ignoring nodes which don't have service X-ZTASK-NODE defined
if (zyre_event_header (event, "X-ZTASK-NODE")) {
zhash_insert (self->nodes, zyre_event_sender (event),"");
ztask_log_debug (self->log, "Adding node -> workers=%ld", zhash_size (self->nodes));
} else {
// TODO disconnect worker (zyre peer) somehow
}
}
else
if (zyre_event_type (event) == ZYRE_EVENT_EXIT) {
if (zhash_lookup (self->nodes, zyre_event_sender (event))) {
ztask_log_debug (self->log, "Removing node -> workers=%ld", zhash_size (self->nodes));
zhash_delete (self->nodes, zyre_event_sender (event));
// Cleanup packetizer in case ztask_node was killed
request_sent -= ztask_packetizer_running_node_cleanup (self->packetizer, zyre_event_sender (event));
}
}
else
if (zyre_event_type (event) == ZYRE_EVENT_WHISPER) {
// Ingoring whispers when they are not from our nodes
if (!zhash_lookup(self->nodes, zyre_event_sender (event))) {
ztask_log_warning (self->log, "W: Ingoring whisper from %s", zyre_event_sender (event));
zyre_event_destroy (&event);
continue;
}
zmsg_t *msg_report = zyre_event_msg(event);
char *str_msg = zmsg_popstr (msg_report);
if (streq(str_msg, "REQUEST")) {
// Let's handle request
packet = ztask_packetizer_next_packet (self->packetizer);
if (packet) {
char *cmd;
if ( asprintf (&cmd, "%s", ztask_packet_cmd (packet)) < 0)
cmd = NULL;
assert (cmd);
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "REQUEST");
zmsg_addstrf (msg, "%s_%ld", zyre_uuid (self->node), ztask_packet_id (packet));
zmsg_addstr (msg, cmd);
zyre_whisper (self->node, zyre_event_sender (event), &msg);
ztask_packet_set_node (packet, zyre_event_sender (event));
request_sent++;
ztask_packetizer_info (self->packetizer, request_sent);
ztask_log_debug (self->log, "ID=%s_%ld cmd='%s' running=%d", zyre_uuid (self->node), ztask_packet_id (packet), cmd, request_sent);
free (cmd);
}
else {
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "NO_PACKETS");
zyre_whisper (self->node, zyre_event_sender (event), &msg);
}
}
else
if (streq(str_msg, "REPORT")) {
// It's report
char *str_id = zmsg_popstr (msg_report);
char *str_pid_rc = zmsg_popstr (msg_report);
ztask_log_debug (self->log, "REPORT ID=%s rc=%s", str_id, str_pid_rc);
ztask_packetizer_report (self->packetizer, str_id, str_pid_rc);
request_sent--;
ztask_packetizer_info (self->packetizer, request_sent);
free (str_id);
free (str_pid_rc);
}
else {
ztask_log_error (self->log, "E: ztask_run_manager_loop : Wrong message %s", str_msg);
assert (false);
}
free (str_msg);
}
zyre_event_destroy (&event);
}
// FIXME : simplify zhash_foreach()
zlist_t *keys = zhash_keys (self->nodes);
char *key = (char *) zlist_first (keys);
while (key) {
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "END");
zyre_whisper (self->node, key, &msg);
key = (char *) zlist_next (keys);
}
zlist_destroy (&keys);
// wait for shout to be delivered
zclock_sleep (100);
ztask_packetizer_summary(self->packetizer, 0);
zyre_stop (self->node);
}
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;
}
static void
zsync_node_recv_from_zyre (zsync_node_t *self)
{
zsync_peer_t *sender;
char *zyre_sender;
zuuid_t *sender_uuid;
zmsg_t *zyre_in, *zyre_out, *fm_msg;
zlist_t *fpaths, *fmetadata;
zyre_event_t *event = zyre_event_recv (self->zyre);
zyre_sender = zyre_event_sender (event); // get tmp uuid
switch (zyre_event_type (event)) {
case ZYRE_EVENT_ENTER:
printf("[ND] ZS_ENTER: %s\n", zyre_sender);
zhash_insert (self->zyre_peers, zyre_sender, NULL);
break;
case ZYRE_EVENT_JOIN:
printf ("[ND] ZS_JOIN: %s\n", zyre_sender);
// Obtain own current state
zsync_msg_send_req_state (self->zsync_pipe);
zsync_msg_t *msg_state = zsync_msg_recv (self->zsync_pipe);
assert (zsync_msg_id (msg_state) == ZSYNC_MSG_RES_STATE);
uint64_t state = zsync_msg_state (msg_state);
// Send GREET message
zyre_out = zmsg_new ();
zs_msg_pack_greet (zyre_out, zuuid_data (self->own_uuid), state);
zyre_whisper (self->zyre, zyre_sender, &zyre_out);
break;
case ZYRE_EVENT_LEAVE:
break;
case ZYRE_EVENT_EXIT:
/*
printf("[ND] ZS_EXIT %s left the house!\n", zyre_sender);
sender = zhash_lookup (self->zyre_peers, zyre_sender);
if (sender) {
// Reset Managers
zmsg_t *reset_msg = zmsg_new ();
zmsg_addstr (reset_msg, zsync_peer_uuid (sender));
zmsg_addstr (reset_msg, "ABORT");
zmsg_send (&reset_msg, self->file_pipe);
reset_msg = zmsg_new ();
zmsg_addstr (reset_msg, zsync_peer_uuid (sender));
zmsg_addstr (reset_msg, "ABORT");
zmsg_send (&reset_msg, self->credit_pipe);
// Remove Peer from active list
zhash_delete (self->zyre_peers, zyre_sender);
}*/
break;
case ZYRE_EVENT_WHISPER:
case ZYRE_EVENT_SHOUT:
printf ("[ND] ZS_WHISPER: %s\n", zyre_sender);
sender = zhash_lookup (self->zyre_peers, zyre_sender);
zyre_in = zyre_event_msg (event);
zs_msg_t *msg = zs_msg_unpack (zyre_in);
switch (zs_msg_get_cmd (msg)) {
case ZS_CMD_GREET:
// Get perm uuid
sender_uuid = zuuid_new ();
zuuid_set (sender_uuid, zs_msg_uuid (msg));
sender = zsync_node_peers_lookup (self, zuuid_str (sender_uuid));
if (!sender) {
sender = zsync_peer_new (zuuid_str (sender_uuid), 0x0);
zlist_append (self->peers, sender);
}
assert (sender);
zhash_update (self->zyre_peers, zyre_sender, sender);
zsync_peer_set_zyre_state (sender, ZYRE_EVENT_JOIN);
// Get current state for sender
uint64_t remote_current_state = zs_msg_get_state (msg);
printf ("[ND] current state: %"PRId64"\n", remote_current_state);
// Lookup last known state
uint64_t last_state_local = zsync_peer_state (sender);
printf ("[ND] last known state: %"PRId64"\n", zsync_peer_state (sender));
// Send LAST_STATE if differs
if (remote_current_state >= last_state_local) {
zmsg_t *lmsg = zmsg_new ();
zs_msg_pack_last_state (lmsg, last_state_local);
zyre_whisper (self->zyre, zyre_sender, &lmsg);
}
break;
case ZS_CMD_LAST_STATE:
assert (sender);
zyre_out = zmsg_new ();
// Gets updates from client
uint64_t last_state_remote = zs_msg_get_state (msg);
zsync_msg_send_req_update (self->zsync_pipe, last_state_remote);
zsync_msg_t *msg_upd = zsync_msg_recv (self->zsync_pipe);
assert (zsync_msg_id (msg_upd) == ZSYNC_MSG_UPDATE);
// Send UPDATE
zyre_out = zsync_msg_update_msg (msg_upd);
zyre_whisper (self->zyre, zyre_sender, &zyre_out);
break;
case ZS_CMD_UPDATE:
printf ("[ND] UPDATE\n");
assert (sender);
uint64_t state = zs_msg_get_state (msg);
zsync_peer_set_state (sender, state);
zsync_node_save_peers (self);
fmetadata = zs_msg_get_fmetadata (msg);
zmsg_t *zsync_msg = zmsg_new ();
zs_msg_pack_update (zsync_msg, zs_msg_get_state (msg), fmetadata);
zsync_msg_send_update (self->zsync_pipe, zsync_peer_uuid (sender), zsync_msg);
break;
case ZS_CMD_REQUEST_FILES:
printf ("[ND] REQUEST FILES\n");
fpaths = zs_msg_fpaths (msg);
zmsg_t *fm_msg = zmsg_new ();
zmsg_addstr (fm_msg, zsync_peer_uuid (sender));
zmsg_addstr (fm_msg, "REQUEST");
char *fpath = zs_msg_fpaths_first (msg);
while (fpath) {
zmsg_addstr (fm_msg, fpath);
printf("[ND] %s\n", fpath);
fpath = zs_msg_fpaths_next (msg);
}
zmsg_send (&fm_msg, self->file_pipe);
break;
case ZS_CMD_GIVE_CREDIT:
printf("[ND] GIVE CREDIT\n");
fm_msg = zmsg_new ();
zmsg_addstr (fm_msg, zsync_peer_uuid (sender));
zmsg_addstr (fm_msg, "CREDIT");
zmsg_addstrf (fm_msg, "%"PRId64, zs_msg_get_credit (msg));
zmsg_send (&fm_msg, self->file_pipe);
break;
case ZS_CMD_SEND_CHUNK:
printf("[ND] SEND_CHUNK (RCV)\n");
// Send receival to credit manager
zframe_t *zframe = zs_msg_get_chunk (msg);
uint64_t chunk_size = zframe_size (zframe);
zsync_credit_msg_send_update (self->credit_pipe, zsync_peer_uuid (sender), chunk_size);
// Pass chunk to client
byte *data = zframe_data (zframe);
zchunk_t *chunk = zchunk_new (data, chunk_size);
char *path = zs_msg_get_file_path (msg);
uint64_t seq = zs_msg_get_sequence (msg);
uint64_t off = zs_msg_get_offset (msg);
zsync_msg_send_chunk (self->zsync_pipe, chunk, path, seq, off);
break;
case ZS_CMD_ABORT:
// TODO abort protocol managed file transfer
printf("[ND] ABORT\n");
break;
default:
assert (false);
break;
}
zs_msg_destroy (&msg);
break;
default:
printf("[ND] Error command not found\n");
break;
}
zyre_event_destroy (&event);
}
zmsg_t* message() const {
return zyre_event_msg(e_);
}