/**
* After the processor has processed the invocation, whatever thread is managing invocations
* should call this method on this FrameBuffer so we know it's time to start trying to write
* again. Also, if it turns out that there actually isn't any data in the response buffer, we'll
* skip trying to write and instead go back to reading.
*/
public void responseReady() {
// the read buffer is definitely no longer in use, so we will decrement
// our read buffer count. we do this here as well as in close because
// we'd like to free this read memory up as quickly as possible for other
// clients.
readBufferBytesAllocated.addAndGet(-buffer_.array().length);
if (response_.len() == 0) {
// go straight to reading again. this was probably an oneway method
state_ = FrameBufferState.AWAITING_REGISTER_READ;
buffer_ = null;
} else {
buffer_ = ByteBuffer.wrap(response_.get(), 0, response_.len());
// set state that we're waiting to be switched to write. we do this
// asynchronously through requestSelectInterestChange() because there is
// a possibility that we're not in the main thread, and thus currently
// blocked in select(). (this functionality is in place for the sake of
// the HsHa server.)
state_ = FrameBufferState.AWAITING_REGISTER_WRITE;
}
requestSelectInterestChange();
}
/** Actually invoke the method signified by this FrameBuffer. */
public void invoke() {
frameTrans_.reset(buffer_.array());
response_.reset();
try {
if (eventHandler_ != null) {
eventHandler_.processContext(context_, inTrans_, outTrans_);
}
processorFactory_.getProcessor(inTrans_).process(inProt_, outProt_);
responseReady();
return;
} catch (TException te) {
Log.w("Thrift", "Exception while invoking!", te);
} catch (Throwable t) {
Log.e("Protocol", "Unexpected throwable while invoking!", t);
}
// This will only be reached when there is a throwable.
state_ = FrameBufferState.AWAITING_CLOSE;
requestSelectInterestChange();
}
public int len() {
return out.len();
}
public byte[] get() {
return out.get();
}
@Override
public void write(byte[] buf, int off, int len) throws TTransportException {
out.write(buf, off, len);
}
public byte[] getArray() {
return arr_.get();
}
public int length() {
return arr_.size();
}