throw new IOException("Network stream corrupted: invalid magic" +
"number in current envelope header.");
}
int seqNum = this.headerBuffer.getInt();
JobID jobId = JobID.fromByteBuffer(this.headerBuffer);
ChannelID sourceId = ChannelID.fromByteBuffer(this.headerBuffer);
this.currentEnvelope = new Envelope(seqNum, jobId, sourceId);
int eventsSize = this.headerBuffer.getInt();
int bufferSize = this.headerBuffer.getInt();
this.currentEventsBuffer = eventsSize > 0 ? ByteBuffer.allocate(eventsSize) : null;
this.currentBufferRequestSize = bufferSize > 0 ? bufferSize : 0;
this.headerBuffer.clear();
}
}
// --------------------------------------------------------------------
// (2) events (var length)
// --------------------------------------------------------------------
if (this.currentEventsBuffer != null) {
copy(in, this.currentEventsBuffer);
if (this.currentEventsBuffer.hasRemaining()) {
return DecoderState.PENDING;
}
else {
this.currentEventsBuffer.flip();
this.currentEnvelope.setEventsSerialized(this.currentEventsBuffer);
this.currentEventsBuffer = null;
}
}
// --------------------------------------------------------------------
// (3) buffer (var length)
// --------------------------------------------------------------------
// (a) request a buffer from OUR pool
if (this.currentBufferRequestSize > 0) {
JobID jobId = this.currentEnvelope.getJobID();
ChannelID sourceId = this.currentEnvelope.getSource();
Buffer buffer = requestBufferForTarget(jobId, sourceId, this.currentBufferRequestSize);
if (buffer == null) {
return DecoderState.NO_BUFFER_AVAILABLE;