Java TProtocol.readMessageBegin方法代码示例

import org.apache.thrift.protocol.TProtocol; //导入方法依赖的package包/类
@Override
public boolean process(TProtocol in, TProtocol out) throws TException {
	TMessage msg = in.readMessageBegin();
	Controller<?, ?> fn = (Controller<?, ?>) this.beanFactory
			.getBean(msg.name);
	if (fn == null) {
		if (LOGGER.isWarnEnabled()) {
			LOGGER.warn("Invalid request: failed to find interface="
					+ msg.name + ", from: " + getInetAddress(in));
		}

		TProtocolUtil.skip(in, TType.STRUCT);
		in.readMessageEnd();
		TApplicationException x = new TApplicationException(
				TApplicationException.UNKNOWN_METHOD,
				"Invalid method name: '" + msg.name + "'");
		out.writeMessageBegin(new TMessage(msg.name,
				TMessageType.EXCEPTION, msg.seqid));
		x.write(out);
		out.writeMessageEnd();
		out.getTransport().flush();
		return true;
	}
	process(msg.seqid, msg.name, in, out, fn);
	return true;
}
 

import org.apache.thrift.protocol.TProtocol; //导入方法依赖的package包/类
@Override
public final boolean process(final TProtocol in, final TProtocol out)
    throws TException {
  final TMessage msg = in.readMessageBegin();
  final ProcessFunction<LocatorServiceImpl, ?> fn = this.fnMap
      .get(msg.name);
  if (fn != null) {
    fn.process(msg.seqid, in, out, this.inst);
    // terminate connection on receiving closeConnection
    // direct class comparison should be the fastest way
    return fn.getClass() != LocatorService.Processor.closeConnection.class;
  }
  else {
    TProtocolUtil.skip(in, TType.STRUCT);
    in.readMessageEnd();
    TApplicationException x = new TApplicationException(
        TApplicationException.UNKNOWN_METHOD, "Invalid method name: '"
            + msg.name + "'");
    out.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION,
        msg.seqid));
    x.write(out);
    out.writeMessageEnd();
    out.getTransport().flush();
    return true;
  }
}
 

import org.apache.thrift.protocol.TProtocol; //导入方法依赖的package包/类
@Override
public final boolean process(final TProtocol in, final TProtocol out)
    throws TException {
  final TMessage msg = in.readMessageBegin();
  final ProcessFunction<GFXDServiceImpl, ?> fn = this.fnMap.get(msg.name);
  if (fn != null) {
    fn.process(msg.seqid, in, out, this.inst);
    // terminate connection on receiving closeConnection
    // direct class comparison should be the fastest way
    // TODO: SW: also need to clean up connection artifacts in the case of
    // client connection failure (ConnectionListener does get a notification
    // but how to tie the socket/connectionNumber to the connectionID?)
    return fn.getClass() != GFXDService.Processor.closeConnection.class;
  }
  else {
    TProtocolUtil.skip(in, TType.STRUCT);
    in.readMessageEnd();
    TApplicationException x = new TApplicationException(
        TApplicationException.UNKNOWN_METHOD, "Invalid method name: '"
            + msg.name + "'");
    out.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION,
        msg.seqid));
    x.write(out);
    out.writeMessageEnd();
    out.getTransport().flush();
    return true;
  }
}
 

import org.apache.thrift.protocol.TProtocol; //导入方法依赖的package包/类
protected ByteBuf tryDecodeUnframedMessage(ChannelHandlerContext ctx,
                                                 Channel channel,
                                                 ByteBuf buffer,
                                                 TProtocolFactory inputProtocolFactory)
        throws TException {
    // Perform a trial decode, skipping through
    // the fields, to see whether we have an entire message available.

    int messageLength = 0;
    int messageStartReaderIndex = buffer.readerIndex();

    try {
        TNiftyTransport decodeAttemptTransport =
                new TNiftyTransport(channel, buffer, ThriftTransportType.UNFRAMED);
        int initialReadBytes = decodeAttemptTransport.getReadByteCount();
        TProtocol inputProtocol =
                inputProtocolFactory.getProtocol(decodeAttemptTransport);

        // Skip through the message
        inputProtocol.readMessageBegin();
        TProtocolUtil.skip(inputProtocol, TType.STRUCT);
        inputProtocol.readMessageEnd();

        messageLength = decodeAttemptTransport.getReadByteCount() - initialReadBytes;
    } catch (TTransportException | IndexOutOfBoundsException e) {
        // No complete message was decoded: ran out of bytes
        return null;
    } finally {
        if (buffer.readerIndex() - messageStartReaderIndex > maxFrameSize) {
                throw new  TooLongFrameException("Maximum frame size of " + maxFrameSize + " exceeded");
        }

        buffer.readerIndex(messageStartReaderIndex);
    }

    if (messageLength <= 0) {
        return null;
    }

    // We have a full message in the read buffer, slice it off
    ByteBuf messageBuffer =
            extractFrame(buffer, messageStartReaderIndex, messageLength);
    buffer.readerIndex(messageStartReaderIndex + messageLength);
    return messageBuffer;
}