private SIF_Ack ProcessPush(SifMessagePayload parsed)
{
try {
// Dispatch. When the result is an Integer it is an ack code to
// return; otherwise it is ack data to return and the code is assumed
// to be 1 for an immediate acknowledgement.
int ackStatus = this.Zone.Dispatcher.dispatch(parsed);
// Ask the original message to generate a SIF_Ack for itself
return(parsed.ackStatus(ackStatus));
}
catch (SifException se) {
return
(parsed.AckError(se));
}
catch (AdkException adke) {
return
(parsed.AckError
(SifErrorCategoryCode.Generic, SifErrorCodes.GENERIC_GENERIC_ERROR_1,
adke.Message));
}
catch (Exception thr) {
if ((Adk.Debug & AdkDebugFlags.Messaging) != 0)
{
this.Zone.Log.Debug("Uncaught exception dispatching push message: " + thr);
}
return
(parsed.AckError
(SifErrorCategoryCode.Generic, SifErrorCodes.GENERIC_GENERIC_ERROR_1,
"An unexpected error has occurred", thr.ToString()));
}
}
//public string Send(string msg)
//{
// lock (this)
// {
// fMessages.AddLast(msg);
// }
// return makeAck();
//}
public IMessageInputStream Send( IMessageOutputStream msg )
{
lock ( this )
{
try
{
MemoryStream stream = new MemoryStream();
msg.CopyTo( stream );
stream.Seek( 0, SeekOrigin.Begin );
SifParser parser = SifParser.NewInstance();
SifMessagePayload smp = (SifMessagePayload) parser.Parse( stream, fZone );
fMessages.Add( smp );
parser = null;
SIF_Ack ack = smp.ackStatus( 0 );
SIF_Header hdr = ack.Header;
hdr.SIF_Timestamp = DateTime.Now;
hdr.SIF_MsgId = Adk.MakeGuid();
hdr.SIF_SourceId = fZone.Agent.Id;
StringWriter str = new StringWriter();
SifWriter writer = new SifWriter( str );
writer.Write( ack );
writer.Flush();
writer.Close();
writer = null;
return new MessageStreamImpl( str.ToString() );
}
catch( Exception ex )
{
// Possible error parsing. Write the message to console out
Console.Out.WriteLine(msg.Decode());
throw new AdkMessagingException(ex.Message, fZone, ex);
}
}
}
/**
* Sends a SIF_Ack in response to a pulled message
* @param sifGetMessageAck The original SIF_Ack from the SIF_GetMessage. This is sometimes null, when
* parsing fails
* @param pulledMEssage The message delivered inside of the above ack. NOTE that even if parsing fails,
* the SIFParser tries to return what it can, and will return this message payload (in getParsed()),
* instead of the above container message.
* @param ackStatus The status to ack (NOTE: This is ignored if the err property is set)
* @param err The error to set in the SIF_Ack
*/
private void sendPushAck(SIF_Ack sifGetMessageAck,
SifMessagePayload pulledMEssage, int ackStatus, SifException err) {
try
{
SIF_Ack ack2 = null;
if( fAckAckOnPull && sifGetMessageAck != null){
ack2 = sifGetMessageAck.ackStatus( ackStatus );
} else {
ack2 = pulledMEssage.ackStatus(ackStatus);
}
// If an error occurred processing the message, return
// the details in the SIF_Ack
if( err != null )
{
fZone.Log.Debug( "Handling exception by creating a SIF_Error", err );
SIF_Error newErr = new SIF_Error();
newErr.SIF_Category = (int)err.ErrorCategory;
newErr.SIF_Code = err.ErrorCode;
newErr.SIF_Desc = err.ErrorDesc;
newErr.SIF_ExtendedDesc = err.ErrorExtDesc;
ack2.SIF_Error = newErr;
// Get rid of the <SIF_Status>
SIF_Status status = ack2.SIF_Status;
if( status != null ) {
ack2.RemoveChild( status );
}
}
// Send the ack
send(ack2);
}
catch( Exception ackEx )
{
fZone.Log.Debug( "Failed to send acknowledgement to pulled message: " + ackEx, ackEx );
}
}