/** {@inheritDoc} */
public void invoke(String method, Object[] params, IPendingServiceCallback callback) {
IPendingServiceCall call = new PendingCall(method, params);
if (callback != null) {
call.registerCallback(callback);
}
invoke(call);
}
/**
* When the connection has been closed, notify any remaining pending service calls that they have
* failed because the connection is broken. Implementors of IPendingServiceCallback may only
* deduce from this notification that it was not possible to read a result for this service call.
* It is possible that (1) the service call was never written to the service, or (2) the service
* call was written to the service and although the remote method was invoked, the connection
* failed before the result could be read, or (3) although the remote method was invoked on the
* service, the service implementor detected the failure of the connection and performed only
* partial processing. The caller only knows that it cannot be confirmed that the callee has
* invoked the service call and returned a result.
*/
public void sendPendingServiceCallsCloseError() {
if (pendingCalls != null && !pendingCalls.isEmpty()) {
for (IPendingServiceCall call : pendingCalls.values()) {
call.setStatus(Call.STATUS_NOT_CONNECTED);
for (IPendingServiceCallback callback : call.getCallbacks()) {
callback.resultReceived(call);
}
}
}
}
public void resultReceived(IPendingServiceCall call) {
log.debug("resultReceived", call);
if (call.getResult() instanceof ObjectMap<?, ?>) {
ObjectMap<?, ?> map = (ObjectMap<?, ?>) call.getResult();
if (map.containsKey("code")) {
String code = (String) map.get("code");
log.debug("Code: {}", code);
if (StatusCodes.NS_PLAY_START.equals(code)) {
subscribed = true;
}
}
}
wrapped.resultReceived(call);
}
protected void handleConnect(
RTMPConnection conn, Channel channel, Header header, Invoke invoke, RTMP rtmp) {
final IPendingServiceCall call = invoke.getCall();
// Get parameters passed from client to NetConnection#connection
final Map<String, Object> params = invoke.getConnectionParams();
// Get hostname
String host = getHostname((String) params.get("tcUrl"));
// App name as path, but without query string if there is one
String path = (String) params.get("app");
if (path.indexOf("?") != -1) {
int idx = path.indexOf("?");
params.put("queryString", path.substring(idx));
path = path.substring(0, idx);
}
params.put("path", path);
final String sessionId = null;
conn.setup(host, path, sessionId, params);
// check the security constraints
// send back "ConnectionRejected" if fails.
if (!checkPermission(conn)) {
call.setStatus(Call.STATUS_ACCESS_DENIED);
call.setResult(getStatus(NC_CONNECT_REJECTED));
Invoke reply = new Invoke();
reply.setCall(call);
reply.setInvokeId(invoke.getInvokeId());
channel.write(reply);
conn.close();
} else {
synchronized (rtmp) {
// connect the origin
sendConnectMessage(conn);
rtmp.setState(RTMP.STATE_EDGE_CONNECT_ORIGIN_SENT);
Packet packet = new Packet(header);
packet.setMessage(invoke);
forwardPacket(conn, packet);
rtmp.setState(RTMP.STATE_ORIGIN_CONNECT_FORWARDED);
// Evaluate request for AMF3 encoding
if (Integer.valueOf(3).equals(params.get("objectEncoding"))) {
rtmp.setEncoding(Encoding.AMF3);
}
}
}
}
/**
* 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);
}
}
}
}
}
public void resultReceived(IPendingServiceCall call) {
Integer streamIdInt = (Integer) call.getResult();
log.debug("Stream id: {}", streamIdInt);
log.debug("Connection: {}", conn);
log.debug("DeleteStreamCallBack resultReceived - stream id: {}", streamIdInt);
if (conn != null && streamIdInt != null) {
log.debug("Deleting net stream");
conn.removeClientStream(streamIdInt);
// send a delete notify?
// NetStreamPrivateData streamData = streamDataMap.get(streamIdInt);
// streamData.handler.onStreamEvent(notify)
streamDataMap.remove(streamIdInt);
}
wrapped.resultReceived(call);
}
public void resultReceived(IPendingServiceCall call) {
Integer streamIdInt = (Integer) call.getResult();
log.debug("CreateStreamCallBack resultReceived - stream id: {} call: {}", streamIdInt, call);
log.debug("Connection: {}", conn);
if (conn != null && streamIdInt != null) {
log.debug("Setting new net stream");
NetStream stream = new NetStream(streamEventDispatcher);
stream.setConnection(conn);
stream.setStreamId(streamIdInt);
conn.addClientStream(stream);
NetStreamPrivateData streamData = new NetStreamPrivateData();
streamData.outputStream = conn.createOutputStream(streamIdInt);
streamData.connConsumer =
new ConnectionConsumer(
conn,
streamData.outputStream.getVideo(),
streamData.outputStream.getAudio(),
streamData.outputStream.getData());
streamDataMap.put(streamIdInt, streamData);
log.debug("streamDataMap: {}", streamDataMap);
}
wrapped.resultReceived(call);
}
/** {@inheritDoc} */
public void messageReceived(RTMPConnection conn, Packet packet) throws Exception {
log.trace("messageReceived connection: {}", conn.getSessionId());
if (conn != null) {
IRTMPEvent message = null;
try {
message = packet.getMessage();
final Header header = packet.getHeader();
final Number streamId = header.getStreamId();
final Channel channel = conn.getChannel(header.getChannelId());
final IClientStream stream = conn.getStreamById(streamId);
if (log.isTraceEnabled()) {
log.trace("Message received - header: {}", header);
}
// set stream id on the connection
conn.setStreamId(streamId);
// increase number of received messages
conn.messageReceived();
// set the source of the message
message.setSource(conn);
// process based on data type
final byte headerDataType = header.getDataType();
if (log.isTraceEnabled()) {
log.trace("Header / message data type: {}", headerDataType);
}
switch (headerDataType) {
case TYPE_AGGREGATE:
log.debug(
"Aggregate type data - header timer: {} size: {}",
header.getTimer(),
header.getSize());
case TYPE_AUDIO_DATA:
case TYPE_VIDEO_DATA:
// mark the event as from a live source
// log.trace("Marking message as originating from a Live source");
message.setSourceType(Constants.SOURCE_TYPE_LIVE);
// NOTE: If we respond to "publish" with "NetStream.Publish.BadName",
// the client sends a few stream packets before stopping. We need to ignore them
if (stream != null) {
((IEventDispatcher) stream).dispatchEvent(message);
}
break;
case TYPE_FLEX_SHARED_OBJECT:
case TYPE_SHARED_OBJECT:
onSharedObject(conn, channel, header, (SharedObjectMessage) message);
break;
case TYPE_INVOKE:
case TYPE_FLEX_MESSAGE:
onCommand(conn, channel, header, (Invoke) message);
IPendingServiceCall call = ((Invoke) message).getCall();
if (message.getHeader().getStreamId().intValue() != 0
&& call.getServiceName() == null
&& StreamAction.PUBLISH.equals(call.getServiceMethodName())) {
if (stream != null) {
// Only dispatch if stream really was created
((IEventDispatcher) stream).dispatchEvent(message);
}
}
break;
case TYPE_NOTIFY: // like an invoke, but does not return
// anything and has a invoke / transaction
// id of 0
case TYPE_FLEX_STREAM_SEND:
if (((Notify) message).getData() != null && stream != null) {
// Stream metadata
((IEventDispatcher) stream).dispatchEvent(message);
} else {
onCommand(conn, channel, header, (Notify) message);
}
break;
case TYPE_PING:
onPing(conn, channel, header, (Ping) message);
break;
case TYPE_BYTES_READ:
onStreamBytesRead(conn, channel, header, (BytesRead) message);
break;
case TYPE_CHUNK_SIZE:
onChunkSize(conn, channel, header, (ChunkSize) message);
break;
case Constants.TYPE_CLIENT_BANDWIDTH: // onBWDone / peer bw
log.debug("Client bandwidth: {}", message);
onClientBandwidth(conn, channel, (ClientBW) message);
break;
case Constants.TYPE_SERVER_BANDWIDTH: // window ack size
log.debug("Server bandwidth: {}", message);
onServerBandwidth(conn, channel, (ServerBW) message);
break;
default:
log.debug("Unknown type: {}", header.getDataType());
}
if (message instanceof Unknown) {
log.info("Message type unknown: {}", message);
}
} catch (Throwable t) {
log.error("Exception", t);
}
// XXX this may be causing 'missing' data if previous methods are
// not making copies before buffering etc..
if (message != null) {
message.release();
}
}
}
/** {@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);
}
}
}
}
