Java Code Examples for com.alibaba.dubbo.remoting.buffer.ChannelBuffer#readable()
The following examples show how to use
com.alibaba.dubbo.remoting.buffer.ChannelBuffer#readable() .
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Example 1
| Source File: NettyCodecAdapter.java From dubbo-2.6.5 with Apache License 2.0 | 5 votes |
|
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf input, List<Object> out) throws Exception {
ChannelBuffer message = new NettyBackedChannelBuffer(input);
NettyChannel channel = NettyChannel.getOrAddChannel(ctx.channel(), url, handler);
Object msg;
int saveReaderIndex;
try {
// decode object.
do {
saveReaderIndex = message.readerIndex();
try {
msg = codec.decode(channel, message);
} catch (IOException e) {
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
message.readerIndex(saveReaderIndex);
break;
} else {
//is it possible to go here ?
if (saveReaderIndex == message.readerIndex()) {
throw new IOException("Decode without read data.");
}
if (msg != null) {
out.add(msg);
}
}
} while (message.readable());
} finally {
NettyChannel.removeChannelIfDisconnected(ctx.channel());
}
}
Example 2
| Source File: GrizzlyCodecAdapter.java From dubbo-2.6.5 with Apache License 2.0 | 4 votes |
|
@Override
public NextAction handleRead(FilterChainContext context) throws IOException {
Object message = context.getMessage();
Connection<?> connection = context.getConnection();
Channel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
try {
if (message instanceof Buffer) { // receive a new packet
Buffer grizzlyBuffer = (Buffer) message; // buffer
ChannelBuffer frame;
if (previousData.readable()) {
if (previousData instanceof DynamicChannelBuffer) {
previousData.writeBytes(grizzlyBuffer.toByteBuffer());
frame = previousData;
} else {
int size = previousData.readableBytes() + grizzlyBuffer.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(previousData, previousData.readableBytes());
frame.writeBytes(grizzlyBuffer.toByteBuffer());
}
} else {
frame = ChannelBuffers.wrappedBuffer(grizzlyBuffer.toByteBuffer());
}
Object msg;
int savedReadIndex;
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException(e.getMessage(), e);
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
return context.getStopAction();
} else {
if (savedReadIndex == frame.readerIndex()) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException("Decode without read data.");
}
if (msg != null) {
context.setMessage(msg);
return context.getInvokeAction();
} else {
return context.getInvokeAction();
}
}
} while (frame.readable());
} else { // Other events are passed down directly
return context.getInvokeAction();
}
} finally {
GrizzlyChannel.removeChannelIfDisconnected(connection);
}
}
Example 3
| Source File: MinaCodecAdapter.java From dubbo-2.6.5 with Apache License 2.0 | 4 votes |
|
@Override
public void decode(IoSession session, ByteBuffer in, ProtocolDecoderOutput out) throws Exception {
int readable = in.limit();
if (readable <= 0) return;
ChannelBuffer frame;
if (buffer.readable()) {
if (buffer instanceof DynamicChannelBuffer) {
buffer.writeBytes(in.buf());
frame = buffer;
} else {
int size = buffer.readableBytes() + in.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(buffer, buffer.readableBytes());
frame.writeBytes(in.buf());
}
} else {
frame = ChannelBuffers.wrappedBuffer(in.buf());
}
Channel channel = MinaChannel.getOrAddChannel(session, url, handler);
Object msg;
int savedReadIndex;
try {
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
break;
} else {
if (savedReadIndex == frame.readerIndex()) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw new Exception("Decode without read data.");
}
if (msg != null) {
out.write(msg);
}
}
} while (frame.readable());
} finally {
if (frame.readable()) {
frame.discardReadBytes();
buffer = frame;
} else {
buffer = ChannelBuffers.EMPTY_BUFFER;
}
MinaChannel.removeChannelIfDisconnected(session);
}
}
Example 4
| Source File: GrizzlyCodecAdapter.java From dubbox with Apache License 2.0 | 4 votes |
|
@Override
public NextAction handleRead(FilterChainContext context) throws IOException {
Object message = context.getMessage();
Connection<?> connection = context.getConnection();
Channel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
try {
if (message instanceof Buffer) { // 收到新的数据包
Buffer grizzlyBuffer = (Buffer) message; // 缓存
ChannelBuffer frame;
if (previousData.readable()) {
if (previousData instanceof DynamicChannelBuffer) {
previousData.writeBytes(grizzlyBuffer.toByteBuffer());
frame = previousData;
} else {
int size = previousData.readableBytes() + grizzlyBuffer.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(previousData, previousData.readableBytes());
frame.writeBytes(grizzlyBuffer.toByteBuffer());
}
} else {
frame = ChannelBuffers.wrappedBuffer(grizzlyBuffer.toByteBuffer());
}
Object msg;
int savedReadIndex;
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException(e.getMessage(), e);
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
return context.getStopAction();
} else {
if (savedReadIndex == frame.readerIndex()) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException("Decode without read data.");
}
if (msg != null) {
context.setMessage(msg);
return context.getInvokeAction();
} else {
return context.getInvokeAction();
}
}
} while (frame.readable());
} else { // 其它事件直接往下传
return context.getInvokeAction();
}
} finally {
GrizzlyChannel.removeChannelIfDisconnectd(connection);
}
}
Example 5
| Source File: MinaCodecAdapter.java From dubbox with Apache License 2.0 | 4 votes |
|
public void decode(IoSession session, ByteBuffer in, ProtocolDecoderOutput out) throws Exception {
int readable = in.limit();
if (readable <= 0) return;
ChannelBuffer frame;
if (buffer.readable()) {
if (buffer instanceof DynamicChannelBuffer) {
buffer.writeBytes(in.buf());
frame = buffer;
} else {
int size = buffer.readableBytes() + in.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(buffer, buffer.readableBytes());
frame.writeBytes(in.buf());
}
} else {
frame = ChannelBuffers.wrappedBuffer(in.buf());
}
Channel channel = MinaChannel.getOrAddChannel(session, url, handler);
Object msg;
int savedReadIndex;
try {
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
break;
} else {
if (savedReadIndex == frame.readerIndex()) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw new Exception("Decode without read data.");
}
if (msg != null) {
out.write(msg);
}
}
} while (frame.readable());
} finally {
if (frame.readable()) {
frame.discardReadBytes();
buffer = frame;
} else {
buffer = ChannelBuffers.EMPTY_BUFFER;
}
MinaChannel.removeChannelIfDisconnectd(session);
}
}
Example 6
| Source File: GrizzlyCodecAdapter.java From dubbox-hystrix with Apache License 2.0 | 4 votes |
|
@Override
public NextAction handleRead(FilterChainContext context) throws IOException {
Object message = context.getMessage();
Connection<?> connection = context.getConnection();
Channel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
try {
if (message instanceof Buffer) { // 收到新的数据包
Buffer grizzlyBuffer = (Buffer) message; // 缓存
ChannelBuffer frame;
if (previousData.readable()) {
if (previousData instanceof DynamicChannelBuffer) {
previousData.writeBytes(grizzlyBuffer.toByteBuffer());
frame = previousData;
} else {
int size = previousData.readableBytes() + grizzlyBuffer.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(previousData, previousData.readableBytes());
frame.writeBytes(grizzlyBuffer.toByteBuffer());
}
} else {
frame = ChannelBuffers.wrappedBuffer(grizzlyBuffer.toByteBuffer());
}
Object msg;
int savedReadIndex;
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException(e.getMessage(), e);
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
return context.getStopAction();
} else {
if (savedReadIndex == frame.readerIndex()) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException("Decode without read data.");
}
if (msg != null) {
context.setMessage(msg);
return context.getInvokeAction();
} else {
return context.getInvokeAction();
}
}
} while (frame.readable());
} else { // 其它事件直接往下传
return context.getInvokeAction();
}
} finally {
GrizzlyChannel.removeChannelIfDisconnectd(connection);
}
}
Example 7
| Source File: MinaCodecAdapter.java From dubbox-hystrix with Apache License 2.0 | 4 votes |
|
public void decode(IoSession session, ByteBuffer in, ProtocolDecoderOutput out) throws Exception {
int readable = in.limit();
if (readable <= 0) return;
ChannelBuffer frame;
if (buffer.readable()) {
if (buffer instanceof DynamicChannelBuffer) {
buffer.writeBytes(in.buf());
frame = buffer;
} else {
int size = buffer.readableBytes() + in.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(buffer, buffer.readableBytes());
frame.writeBytes(in.buf());
}
} else {
frame = ChannelBuffers.wrappedBuffer(in.buf());
}
Channel channel = MinaChannel.getOrAddChannel(session, url, handler);
Object msg;
int savedReadIndex;
try {
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
break;
} else {
if (savedReadIndex == frame.readerIndex()) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw new Exception("Decode without read data.");
}
if (msg != null) {
out.write(msg);
}
}
} while (frame.readable());
} finally {
if (frame.readable()) {
frame.discardReadBytes();
buffer = frame;
} else {
buffer = ChannelBuffers.EMPTY_BUFFER;
}
MinaChannel.removeChannelIfDisconnectd(session);
}
}
Example 8
| Source File: GrizzlyCodecAdapter.java From dubbox with Apache License 2.0 | 4 votes |
|
@Override
public NextAction handleRead(FilterChainContext context) throws IOException {
Object message = context.getMessage();
Connection<?> connection = context.getConnection();
Channel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
try {
if (message instanceof Buffer) { // 收到新的数据包
Buffer grizzlyBuffer = (Buffer) message; // 缓存
ChannelBuffer frame;
if (previousData.readable()) {
if (previousData instanceof DynamicChannelBuffer) {
previousData.writeBytes(grizzlyBuffer.toByteBuffer());
frame = previousData;
} else {
int size = previousData.readableBytes() + grizzlyBuffer.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(previousData, previousData.readableBytes());
frame.writeBytes(grizzlyBuffer.toByteBuffer());
}
} else {
frame = ChannelBuffers.wrappedBuffer(grizzlyBuffer.toByteBuffer());
}
Object msg;
int savedReadIndex;
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException(e.getMessage(), e);
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
return context.getStopAction();
} else {
if (savedReadIndex == frame.readerIndex()) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException("Decode without read data.");
}
if (msg != null) {
context.setMessage(msg);
return context.getInvokeAction();
} else {
return context.getInvokeAction();
}
}
} while (frame.readable());
} else { // 其它事件直接往下传
return context.getInvokeAction();
}
} finally {
GrizzlyChannel.removeChannelIfDisconnectd(connection);
}
}
Example 9
| Source File: MinaCodecAdapter.java From dubbox with Apache License 2.0 | 4 votes |
|
public void decode(IoSession session, ByteBuffer in, ProtocolDecoderOutput out) throws Exception {
int readable = in.limit();
if (readable <= 0) return;
ChannelBuffer frame;
if (buffer.readable()) {
if (buffer instanceof DynamicChannelBuffer) {
buffer.writeBytes(in.buf());
frame = buffer;
} else {
int size = buffer.readableBytes() + in.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(buffer, buffer.readableBytes());
frame.writeBytes(in.buf());
}
} else {
frame = ChannelBuffers.wrappedBuffer(in.buf());
}
Channel channel = MinaChannel.getOrAddChannel(session, url, handler);
Object msg;
int savedReadIndex;
try {
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
break;
} else {
if (savedReadIndex == frame.readerIndex()) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw new Exception("Decode without read data.");
}
if (msg != null) {
out.write(msg);
}
}
} while (frame.readable());
} finally {
if (frame.readable()) {
frame.discardReadBytes();
buffer = frame;
} else {
buffer = ChannelBuffers.EMPTY_BUFFER;
}
MinaChannel.removeChannelIfDisconnectd(session);
}
}
Example 10
| Source File: Netty4CodecAdapter.java From dubbo-plus with Apache License 2.0 | 4 votes |
|
@Override
protected void channelRead0(ChannelHandlerContext channelHandlerContext, Object o) throws Exception {
if (! (o instanceof ByteBuf)) {
channelHandlerContext.fireChannelRead(o);
return;
}
ByteBuf input = (ByteBuf) o;
int readable = input.readableBytes();
if (readable <= 0) {
return;
}
byte[] bytes= new byte[readable];
input.readBytes(bytes);
ChannelBuffer message;
if (buffer.readable()) {
if (buffer instanceof DynamicChannelBuffer) {
buffer.writeBytes(bytes);
message = buffer;
} else {
int size = buffer.readableBytes() + input.readableBytes();
message = ChannelBuffers.dynamicBuffer(
size > bufferSize ? size : bufferSize);
message.writeBytes(buffer, buffer.readableBytes());
message.writeBytes(bytes);
}
} else {
message = ChannelBuffers.wrappedBuffer(
bytes);
}
Netty4Channel channel = Netty4Channel.getOrAddChannel(channelHandlerContext.channel(), url, handler);
Object msg;
int saveReaderIndex;
try {
// decode object.
do {
saveReaderIndex = message.readerIndex();
try {
msg = codec.decode(channel, message);
} catch (IOException e) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
message.readerIndex(saveReaderIndex);
break;
} else {
if (saveReaderIndex == message.readerIndex()) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw new IOException("Decode without read data.");
}
if (msg != null) {
//Channels.fireMessageReceived(ctx, msg, event.getRemoteAddress());
channelHandlerContext.fireChannelRead(msg);
}
}
} while (message.readable());
} finally {
if (message.readable()) {
message.discardReadBytes();
buffer = message;
} else {
buffer = com.alibaba.dubbo.remoting.buffer.ChannelBuffers.EMPTY_BUFFER;
}
Netty4Channel.removeChannelIfDisconnected(channelHandlerContext.channel());
}
}
Example 11
| Source File: GrizzlyCodecAdapter.java From dubbox with Apache License 2.0 | 4 votes |
|
@Override
public NextAction handleRead(FilterChainContext context) throws IOException {
Object message = context.getMessage();
Connection<?> connection = context.getConnection();
Channel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
try {
if (message instanceof Buffer) { // 收到新的数据包
Buffer grizzlyBuffer = (Buffer) message; // 缓存
ChannelBuffer frame;
if (previousData.readable()) {
if (previousData instanceof DynamicChannelBuffer) {
previousData.writeBytes(grizzlyBuffer.toByteBuffer());
frame = previousData;
} else {
int size = previousData.readableBytes() + grizzlyBuffer.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(previousData, previousData.readableBytes());
frame.writeBytes(grizzlyBuffer.toByteBuffer());
}
} else {
frame = ChannelBuffers.wrappedBuffer(grizzlyBuffer.toByteBuffer());
}
Object msg;
int savedReadIndex;
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException(e.getMessage(), e);
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
return context.getStopAction();
} else {
if (savedReadIndex == frame.readerIndex()) {
previousData = ChannelBuffers.EMPTY_BUFFER;
throw new IOException("Decode without read data.");
}
if (msg != null) {
context.setMessage(msg);
return context.getInvokeAction();
} else {
return context.getInvokeAction();
}
}
} while (frame.readable());
} else { // 其它事件直接往下传
return context.getInvokeAction();
}
} finally {
GrizzlyChannel.removeChannelIfDisconnectd(connection);
}
}
Example 12
| Source File: MinaCodecAdapter.java From dubbox with Apache License 2.0 | 4 votes |
|
public void decode(IoSession session, ByteBuffer in, ProtocolDecoderOutput out) throws Exception {
int readable = in.limit();
if (readable <= 0) return;
ChannelBuffer frame;
if (buffer.readable()) {
if (buffer instanceof DynamicChannelBuffer) {
buffer.writeBytes(in.buf());
frame = buffer;
} else {
int size = buffer.readableBytes() + in.remaining();
frame = ChannelBuffers.dynamicBuffer(size > bufferSize ? size : bufferSize);
frame.writeBytes(buffer, buffer.readableBytes());
frame.writeBytes(in.buf());
}
} else {
frame = ChannelBuffers.wrappedBuffer(in.buf());
}
Channel channel = MinaChannel.getOrAddChannel(session, url, handler);
Object msg;
int savedReadIndex;
try {
do {
savedReadIndex = frame.readerIndex();
try {
msg = codec.decode(channel, frame);
} catch (Exception e) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw e;
}
if (msg == Codec2.DecodeResult.NEED_MORE_INPUT) {
frame.readerIndex(savedReadIndex);
break;
} else {
if (savedReadIndex == frame.readerIndex()) {
buffer = ChannelBuffers.EMPTY_BUFFER;
throw new Exception("Decode without read data.");
}
if (msg != null) {
out.write(msg);
}
}
} while (frame.readable());
} finally {
if (frame.readable()) {
frame.discardReadBytes();
buffer = frame;
} else {
buffer = ChannelBuffers.EMPTY_BUFFER;
}
MinaChannel.removeChannelIfDisconnectd(session);
}
}
