public synchronized int send(short channel, FrameBody body, ByteBuffer payload) {
if (!_closedForOutput) {
ValueWriter<FrameBody> writer = _describedTypeRegistry.getValueWriter(body);
int size = writer.writeToBuffer(EMPTY_BYTE_BUFFER);
ByteBuffer payloadDup = payload == null ? null : payload.duplicate();
int payloadSent = getMaxFrameSize() - (size + 9);
if (payloadSent < (payload == null ? 0 : payload.remaining())) {
if (body instanceof Transfer) {
((Transfer) body).setMore(Boolean.TRUE);
}
writer = _describedTypeRegistry.getValueWriter(body);
size = writer.writeToBuffer(EMPTY_BYTE_BUFFER);
payloadSent = getMaxFrameSize() - (size + 9);
try {
payloadDup.limit(payloadDup.position() + payloadSent);
} catch (NullPointerException npe) {
throw npe;
}
} else {
payloadSent = payload == null ? 0 : payload.remaining();
}
_frameOutputHandler.send(AMQFrame.createAMQFrame(channel, body, payloadDup));
return payloadSent;
} else {
return -1;
}
}
