/// <summary>
/// Sends status notification.
/// </summary>
/// <param name="status">Status object.</param>
public void SendStatus(StatusASO status) {
bool andReturn = !status.code.Equals(StatusASO.NS_DATA_START);
Invoke invoke;
if (andReturn) {
PendingCall call = new PendingCall(null, "onStatus", new object[] { status });
invoke = new Invoke();
invoke.InvokeId = 1;
invoke.ServiceCall = call;
} else {
Call call = new Call(null, "onStatus", new object[] { status });
invoke = (Invoke)new Notify();
invoke.InvokeId = 1;
invoke.ServiceCall = call;
}
// We send directly to the corresponding stream as for
// some status codes, no stream has been created and thus
// "getStreamByChannelId" will fail.
Write(invoke, _connection.GetStreamIdForChannel(_channelId));
}
/// <summary>
/// Invokes service using service call object and channel.
/// </summary>
/// <param name="serviceCall">Service call object.</param>
/// <param name="channel">Channel to use.</param>
public void Invoke(IServiceCall serviceCall, byte channel) {
// We need to use Invoke for all calls to the client
Invoke invoke = new Invoke();
invoke.ServiceCall = serviceCall;
invoke.InvokeId = this.InvokeId;
if (serviceCall is IPendingServiceCall) {
_pendingCalls[invoke.InvokeId] = serviceCall;
}
GetChannel(channel).Write(invoke);
}
static ByteBuffer EncodeInvoke(RtmpContext context, Invoke invoke) {
return EncodeNotifyOrInvoke(context, invoke);
}
public IMessage PullMessage(IPipe pipe) {
lock (_syncLock) {
if (_pipe != pipe)
return null;
if (_reader == null)
Init();
if (!_reader.HasMoreTags()) {
// TODO send OOBCM to notify EOF
// Do not unsubscribe as this kills VOD seek while in buffer
// this.pipe.unsubscribe(this);
return null;
}
ITag tag = _reader.ReadTag();
IRtmpEvent msg = null;
int timestamp = tag.Timestamp;
switch (tag.DataType) {
case Constants.TypeAudioData:
msg = new AudioData(tag.Body);
break;
case Constants.TypeVideoData:
msg = new VideoData(tag.Body);
break;
case Constants.TypeInvoke:
msg = new Invoke(tag.Body);
break;
case Constants.TypeNotify:
msg = new Notify(tag.Body);
break;
case Constants.TypeFlexStreamEnd:
msg = new FlexStreamSend(tag.Body);
break;
default:
log.Warn("Unexpected type " + tag.DataType);
msg = new Unknown(tag.DataType, tag.Body);
break;
}
msg.Timestamp = timestamp;
RtmpMessage rtmpMsg = new RtmpMessage();
rtmpMsg.body = msg;
return rtmpMsg;
}
}
protected override void OnInvoke(RtmpConnection connection, RtmpChannel channel, RtmpHeader header, Notify invoke) {
IServiceCall serviceCall = invoke.ServiceCall;
// If it's a callback for server remote call then pass it over to callbacks handler
// and return
if (serviceCall.ServiceMethodName.Equals("_result") || serviceCall.ServiceMethodName.Equals("_error")) {
HandlePendingCallResult(connection, invoke);
return;
}
bool disconnectOnReturn = false;
string action = null;
if (serviceCall.ServiceName == null) {
action = serviceCall.ServiceMethodName;
switch (action) {
case ACTION_CONNECT: {
if (!connection.IsConnected) {
IDictionary parameters = invoke.ConnectionParameters;
string host = null;
if (parameters.Contains("tcUrl"))
host = GetHostname(parameters["tcUrl"] as string);
if (host != null && host.IndexOf(":") != -1) {
// Remove default port from connection string
host = host.Substring(0, host.IndexOf(":"));
}
string app = parameters["app"] as string;
string path = parameters["app"] as string;
// App name as path, but without query string if there is one
if (path != null && path.IndexOf("?") != -1) {
int idx = path.IndexOf("?");
parameters["queryString"] = path.Substring(idx);
path = path.Substring(0, idx);
}
parameters["path"] = path;
connection.Setup(host, path, parameters);
try {
//IGlobalScope global = this.Endpoint.LookupGlobal(host, path);
IGlobalScope global = this.Endpoint.GetMessageBroker().GlobalScope;
if (global == null) {
serviceCall.Status = Call.STATUS_SERVICE_NOT_FOUND;
if (serviceCall is IPendingServiceCall) {
StatusASO status = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_INVALID_APPLICATION, connection.ObjectEncoding);
status.description = "No global scope on this server.";
(serviceCall as IPendingServiceCall).Result = status;
}
log.Info(string.Format("No application scope found for {0} on host {1}. Misspelled or missing application folder?", path, host));
disconnectOnReturn = true;
} else {
IScopeContext context = global.Context;
IScope scope = null;
try {
scope = context.ResolveScope(global, path);
} catch (ScopeNotFoundException /*exception*/) {
if (log.IsErrorEnabled)
log.Error(__Res.GetString(__Res.Scope_NotFound, path));
serviceCall.Status = Call.STATUS_SERVICE_NOT_FOUND;
if (serviceCall is IPendingServiceCall) {
StatusASO status = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_REJECTED, connection.ObjectEncoding);
status.description = "No scope \"" + path + "\" on this server.";
(serviceCall as IPendingServiceCall).Result = status;
}
disconnectOnReturn = true;
} catch (ScopeShuttingDownException) {
serviceCall.Status = Call.STATUS_APP_SHUTTING_DOWN;
if (serviceCall is IPendingServiceCall) {
StatusASO status = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_APPSHUTDOWN, connection.ObjectEncoding);
status.description = "Application at \"" + path + "\" is currently shutting down.";
(serviceCall as IPendingServiceCall).Result = status;
}
log.Info(string.Format("Application at {0} currently shutting down on {1}", path, host));
disconnectOnReturn = true;
}
if (scope != null) {
if (log.IsInfoEnabled)
log.Info(__Res.GetString(__Res.Scope_Connect, scope.Name));
bool okayToConnect;
try {
//The only way to differentiate NetConnection.connect() and Consumer.subscribe() seems to be the app name
if (app == string.Empty) {
connection.SetIsFlexClient(true);
okayToConnect = connection.Connect(scope, serviceCall.Arguments);
if (okayToConnect) {
if (serviceCall.Arguments != null && serviceCall.Arguments.Length >= 3) {
string credentials = serviceCall.Arguments[2] as string;
if (credentials != null && credentials != string.Empty) {
MessageBroker messageBroker = this.Endpoint.GetMessageBroker();
AuthenticationService authenticationService = messageBroker.GetService(AuthenticationService.ServiceId) as AuthenticationService;
authenticationService.Authenticate(credentials);
}
}
//FDS 2.0.1 fds.swc
if (serviceCall.Arguments != null && serviceCall.Arguments.Length == 1) {
string credentials = serviceCall.Arguments[0] as string;
if (credentials != null && credentials != string.Empty) {
MessageBroker messageBroker = this.Endpoint.GetMessageBroker();
AuthenticationService authenticationService = messageBroker.GetService(AuthenticationService.ServiceId) as AuthenticationService;
authenticationService.Authenticate(credentials);
}
}
}
} else {
connection.SetIsFlexClient(false);
okayToConnect = connection.Connect(scope, serviceCall.Arguments);
}
if (okayToConnect) {
if (log.IsDebugEnabled)
log.Debug("Connected RtmpClient: " + connection.Client.Id);
serviceCall.Status = Call.STATUS_SUCCESS_RESULT;
if (serviceCall is IPendingServiceCall) {
StatusASO statusASO = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_SUCCESS, connection.ObjectEncoding);
statusASO.Add("id", connection.Client.Id);
(serviceCall as IPendingServiceCall).Result = statusASO;
}
// Measure initial roundtrip time after connecting
connection.GetChannel((byte)2).Write(new Ping(Ping.StreamBegin, 0, -1));
connection.StartRoundTripMeasurement();
} else {
if (log.IsDebugEnabled)
log.Debug("Connect failed");
serviceCall.Status = Call.STATUS_ACCESS_DENIED;
if (serviceCall is IPendingServiceCall)
(serviceCall as IPendingServiceCall).Result = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_REJECTED, connection.ObjectEncoding);
disconnectOnReturn = true;
}
} catch (ClientRejectedException rejected) {
if (log.IsDebugEnabled)
log.Debug("Connect rejected");
serviceCall.Status = Call.STATUS_ACCESS_DENIED;
if (serviceCall is IPendingServiceCall) {
StatusASO statusASO = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_REJECTED, connection.ObjectEncoding);
statusASO.Application = rejected.Reason;
(serviceCall as IPendingServiceCall).Result = statusASO;
}
disconnectOnReturn = true;
}
}
}
} catch (Exception ex) {
if (log.IsErrorEnabled)
log.Error("Error connecting", ex);
serviceCall.Status = Call.STATUS_GENERAL_EXCEPTION;
if (serviceCall is IPendingServiceCall)
(serviceCall as IPendingServiceCall).Result = StatusASO.GetStatusObject(StatusASO.NC_CONNECT_FAILED, connection.ObjectEncoding);
disconnectOnReturn = true;
}
} else {
// Service calls, must be connected.
InvokeCall(connection, serviceCall);
}
}
break;
case ACTION_DISCONNECT:
connection.Close();
break;
case ACTION_CREATE_STREAM:
case ACTION_DELETE_STREAM:
case ACTION_RELEASE_STREAM:
case ACTION_PUBLISH:
case ACTION_PLAY:
case ACTION_SEEK:
case ACTION_PAUSE:
case ACTION_CLOSE_STREAM:
case ACTION_RECEIVE_VIDEO:
case ACTION_RECEIVE_AUDIO: {
IStreamService streamService = ScopeUtils.GetScopeService(connection.Scope, typeof(IStreamService)) as IStreamService;
StatusASO status = null;
try {
if (!InvokeCall(connection, serviceCall, streamService)) {
status = StatusASO.GetStatusObject(StatusASO.NS_INVALID_ARGUMENT, connection.ObjectEncoding);
status.description = "Failed to " + action + " (stream ID: " + header.StreamId + ")";
}
} catch (Exception ex) {
log.Error("Error while invoking " + action + " on stream service.", ex);
status = StatusASO.GetStatusObject(StatusASO.NS_FAILED, connection.ObjectEncoding);
status.description = "Error while invoking " + action + " (stream ID: " + header.StreamId + ")";
status.details = ex.Message;
}
if (status != null)
channel.SendStatus(status);
}
break;
default:
if (connection.IsConnected)
InvokeCall(connection, serviceCall);
else {
// Warn user attemps to call service without being connected
if (log.IsWarnEnabled)
log.Warn("Not connected, closing connection");
connection.Close();
}
break;
}
}
/*
if(invoke is FlexInvoke)
{
FlexInvoke reply = new FlexInvoke();
reply.InvokeId = invoke.InvokeId;
reply.SetResponseSuccess();
//TODO
if( serviceCall is IPendingServiceCall )
{
IPendingServiceCall pendingCall = (IPendingServiceCall)serviceCall;
reply.Response = pendingCall.Result;
}
channel.Write(reply);
}
else if(invoke is Invoke)
*/
if (invoke is Invoke) {
if ((header.StreamId != 0)
&& (serviceCall.Status == Call.STATUS_SUCCESS_VOID || serviceCall.Status == Call.STATUS_SUCCESS_NULL)) {
if (log.IsDebugEnabled)
log.Debug("Method does not have return value, do not reply");
return;
}
// The client expects a result for the method call.
Invoke reply = new Invoke();
reply.ServiceCall = serviceCall;
reply.InvokeId = invoke.InvokeId;
//sending reply
channel.Write(reply);
}
if (disconnectOnReturn) {
connection.Close();
}
if (action == ACTION_CONNECT) {
connection.Context.ObjectEncoding = connection.ObjectEncoding;
}
}
