@Override
public void messageReceived(Object in, IoSession session) throws Exception {
RTMPConnection conn = (RTMPConnection) session.getAttribute(RTMPConnection.RTMP_CONNECTION_KEY);
RTMP state = (RTMP) session.getAttribute(ProtocolState.SESSION_KEY);
IRTMPEvent message = null;
final Packet packet = (Packet) in;
message = packet.getMessage();
final Header header = packet.getHeader();
final Channel channel = conn.getChannel(header.getChannelId());
// Increase number of received messages
conn.messageReceived();
if (header.getDataType() == TYPE_BYTES_READ) {
// TODO need to sync the bytes read on edge and origin
onStreamBytesRead(conn, channel, header, (BytesRead) message);
}
if (header.getDataType() == TYPE_INVOKE) {
final IServiceCall call = ((Invoke) message).getCall();
final String action = call.getServiceMethodName();
if (call.getServiceName() == null
&& !conn.isConnected()
&& StreamAction.valueOf(action).equals(StreamAction.CONNECT)) {
handleConnect(conn, channel, header, (Invoke) message, (RTMP) state);
return;
}
}
switch (header.getDataType()) {
case TYPE_CHUNK_SIZE:
case TYPE_INVOKE:
case TYPE_FLEX_MESSAGE:
case TYPE_NOTIFY:
case TYPE_AUDIO_DATA:
case TYPE_VIDEO_DATA:
case TYPE_FLEX_SHARED_OBJECT:
case TYPE_FLEX_STREAM_SEND:
case TYPE_SHARED_OBJECT:
case TYPE_BYTES_READ:
forwardPacket(conn, packet);
break;
case TYPE_PING:
onPing(conn, channel, header, (Ping) message);
break;
default:
if (log.isDebugEnabled()) {
log.debug("Unknown type: {}", header.getDataType());
}
}
if (message instanceof Unknown) {
log.info(message.toString());
}
if (message != null) {
message.release();
}
}
/**
* Remote method invokation
*
* @param conn Connection to invoke method on
* @param call Service call context
* @return true on success
*/
public boolean serviceCall(IConnection conn, IServiceCall call) {
final IContext context = conn.getScope().getContext();
if (call.getServiceName() != null) {
context.getServiceInvoker().invoke(call, context);
} else {
context.getServiceInvoker().invoke(call, conn.getScope().getHandler());
}
return true;
}
/**
* Handler for pending call result. Dispatches results to all pending call handlers.
*
* @param conn Connection
* @param invoke Pending call result event context
*/
protected void handlePendingCallResult(RTMPConnection conn, Invoke invoke) {
final IServiceCall call = invoke.getCall();
final IPendingServiceCall pendingCall = conn.retrievePendingCall(invoke.getTransactionId());
if (pendingCall != null) {
// The client sent a response to a previously made call.
Object[] args = call.getArguments();
if (args != null && args.length > 0) {
// TODO: can a client return multiple results?
pendingCall.setResult(args[0]);
}
Set<IPendingServiceCallback> callbacks = pendingCall.getCallbacks();
if (!callbacks.isEmpty()) {
HashSet<IPendingServiceCallback> tmp = new HashSet<IPendingServiceCallback>();
tmp.addAll(callbacks);
for (IPendingServiceCallback callback : tmp) {
try {
callback.resultReceived(pendingCall);
} catch (Exception e) {
log.error("Error while executing callback {}", callback, e);
}
}
}
}
}
/** {@inheritDoc} */
@Override
protected void onCommand(RTMPConnection conn, Channel channel, Header source, ICommand command) {
log.trace("onCommand: {}, id: {}", command, command.getTransactionId());
final IServiceCall call = command.getCall();
final String methodName = call.getServiceMethodName();
log.debug(
"Service name: {} args[0]: {}",
methodName,
(call.getArguments().length != 0 ? call.getArguments()[0] : ""));
if ("_result".equals(methodName) || "_error".equals(methodName)) {
final IPendingServiceCall pendingCall = conn.getPendingCall(command.getTransactionId());
log.debug("Received result for pending call - {}", pendingCall);
if (pendingCall != null) {
if ("connect".equals(methodName)) {
Integer encoding = (Integer) connectionParams.get("objectEncoding");
if (encoding != null && encoding.intValue() == 3) {
log.debug("Setting encoding to AMF3");
conn.getState().setEncoding(IConnection.Encoding.AMF3);
}
}
}
handlePendingCallResult(conn, (Invoke) command);
return;
}
// potentially used twice so get the value once
boolean onStatus = "onStatus".equals(methodName);
log.debug("onStatus {}", onStatus);
if (onStatus) {
Integer streamId = source.getStreamId();
if (log.isDebugEnabled()) {
log.debug("Stream id from header: {}", streamId);
// XXX create better to serialize ObjectMap to Status object
ObjectMap<?, ?> objMap = (ObjectMap<?, ?>) call.getArguments()[0];
// should keep this as an Object to stay compatible with FMS3 etc
log.debug("Client id from status: {}", objMap.get("clientid"));
}
if (streamId != null) {
// try lookup by stream id
NetStreamPrivateData streamData = streamDataMap.get(streamId);
// if null return the first one in the map
if (streamData == null) {
log.debug("Stream data was not found by id. Map contents: {}", streamDataMap);
if (!streamDataMap.isEmpty()) {
streamData = streamDataMap.values().iterator().next();
}
}
if (streamData == null) {
log.warn("Stream data was null for id: {}", streamId);
}
if (streamData != null && streamData.handler != null) {
log.debug("Got stream data and handler");
streamData.handler.onStreamEvent((Notify) command);
}
}
}
// if this client supports service methods, forward the call
if (serviceProvider == null) {
// client doesn't support calling methods on him
call.setStatus(Call.STATUS_METHOD_NOT_FOUND);
call.setException(new MethodNotFoundException(methodName));
log.info(
"No service provider / method not found; to handle calls like onBWCheck, add a service provider");
} else {
serviceInvoker.invoke(call, serviceProvider);
}
if (call instanceof IPendingServiceCall) {
IPendingServiceCall psc = (IPendingServiceCall) call;
Object result = psc.getResult();
log.debug("Pending call result is: {}", result);
if (result instanceof DeferredResult) {
DeferredResult dr = (DeferredResult) result;
dr.setTransactionId(command.getTransactionId());
dr.setServiceCall(psc);
dr.setChannel(channel);
conn.registerDeferredResult(dr);
} else if (!onStatus) {
if ("onBWCheck".equals(methodName)) {
onBWCheck(call.getArguments().length > 0 ? call.getArguments()[0] : null);
Invoke reply = new Invoke();
reply.setCall(call);
reply.setTransactionId(command.getTransactionId());
channel.write(reply);
} else if ("onBWDone".equals(methodName)) {
onBWDone(call.getArguments().length > 0 ? call.getArguments()[0] : null);
} else {
Invoke reply = new Invoke();
reply.setCall(call);
reply.setTransactionId(command.getTransactionId());
log.debug("Sending empty call reply: {}", reply);
channel.write(reply);
}
}
}
}