Java Code Examples for org.jboss.netty.channel.Channels#fireExceptionCaught()
The following examples show how to use
org.jboss.netty.channel.Channels#fireExceptionCaught() .
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Example 1
| Source File: ThriftFrameDecoder.java From ikasoa with MIT License | 6 votes |
|
protected ChannelBuffer tryDecodeFramedMessage(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer,
boolean stripFraming) {
int messageStartReaderIndex = buffer.readerIndex();
int messageContentsOffset = stripFraming ? messageStartReaderIndex + MESSAGE_FRAME_SIZE
: messageStartReaderIndex;
int messageLength = buffer.getInt(messageStartReaderIndex) + MESSAGE_FRAME_SIZE;
int messageContentsLength = messageStartReaderIndex + messageLength - messageContentsOffset;
if (messageContentsLength > maxFrameSize)
Channels.fireExceptionCaught(ctx,
new TooLongFrameException(String.format("Maximum frame size of %d exceeded .", maxFrameSize)));
if (messageLength == 0) {
buffer.readerIndex(messageContentsOffset);
return null;
} else if (buffer.readableBytes() < messageLength)
return null;
else {
ChannelBuffer messageBuffer = extractFrame(buffer, messageContentsOffset, messageContentsLength);
buffer.readerIndex(messageStartReaderIndex + messageLength);
return messageBuffer;
}
}
Example 2
| Source File: AbstractRPCChannelHandler.java From floodlight_with_topoguard with Apache License 2.0 | 6 votes |
|
@Override
public void messageReceived(ChannelHandlerContext ctx,
MessageEvent e) throws Exception {
Object message = e.getMessage();
if (message instanceof SyncMessage) {
handleSyncMessage((SyncMessage)message, ctx.getChannel());
} else if (message instanceof List) {
for (Object i : (List<?>)message) {
if (i instanceof SyncMessage) {
try {
handleSyncMessage((SyncMessage)i,
ctx.getChannel());
} catch (Exception ex) {
Channels.fireExceptionCaught(ctx, ex);
}
}
}
} else {
handleUnknownMessage(ctx, message);
}
}
Example 3
| Source File: ThriftFrameDecoder.java From ikasoa with MIT License | 5 votes |
|
protected ChannelBuffer tryDecodeUnframedMessage(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer,
TProtocolFactory inputProtocolFactory) throws TException {
int messageLength = 0;
int messageStartReaderIndex = buffer.readerIndex();
try {
TNettyTransport decodeAttemptTransport = new TNettyTransport(channel, buffer, TNettyTransportType.UNFRAMED);
int initialReadBytes = decodeAttemptTransport.getReadByteCount();
TProtocol inputProtocol = inputProtocolFactory.getProtocol(decodeAttemptTransport);
inputProtocol.readMessageBegin();
TProtocolUtil.skip(inputProtocol, TType.STRUCT);
inputProtocol.readMessageEnd();
messageLength = decodeAttemptTransport.getReadByteCount() - initialReadBytes;
} catch (TTransportException | IndexOutOfBoundsException e) {
return null;
} finally {
if (buffer.readerIndex() - messageStartReaderIndex > maxFrameSize)
Channels.fireExceptionCaught(ctx,
new TooLongFrameException(String.format("Maximum frame size of %d exceeded .", maxFrameSize)));
buffer.readerIndex(messageStartReaderIndex);
}
if (messageLength <= 0)
return null;
ChannelBuffer messageBuffer = extractFrame(buffer, messageStartReaderIndex, messageLength);
buffer.readerIndex(messageStartReaderIndex + messageLength);
return messageBuffer;
}
Example 4
| Source File: ThriftFrameEncoder.java From ikasoa with MIT License | 5 votes |
|
@Override
protected Object encode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
if (!(msg instanceof TNettyMessage))
return msg;
TNettyMessage message = (TNettyMessage) msg;
int frameSize = message.getBuffer().readableBytes();
if (message.getBuffer().readableBytes() > maxFrameSize) {
Channels.fireExceptionCaught(ctx,
new TooLongFrameException(String.format(
"Frame size exceeded on encode: frame was %d bytes, maximum allowed is %d bytes .",
frameSize, maxFrameSize)));
return null;
}
switch (message.getTransportType()) {
case UNFRAMED:
return message.getBuffer();
case FRAMED:
ChannelBuffer frameSizeBuffer = ChannelBuffers.buffer(4);
frameSizeBuffer.writeInt(message.getBuffer().readableBytes());
return ChannelBuffers.wrappedBuffer(frameSizeBuffer, message.getBuffer());
case HEADER:
throw new UnsupportedOperationException("Header transport is not supported .");
case HTTP:
throw new UnsupportedOperationException("HTTP transport is not supported .");
default:
throw new UnsupportedOperationException("Unrecognized transport type .");
}
}
Example 5
| Source File: HandshakeTimeoutHandler.java From floodlight_with_topoguard with Apache License 2.0 | 5 votes |
|
@Override
public void run(Timeout timeout) throws Exception {
if (timeout.isCancelled()) {
return;
}
if (!ctx.getChannel().isOpen()) {
return;
}
if (!handler.isClientConnection &&
((handler.remoteNode == null ||
!handler.rpcService.isConnected(handler.remoteNode.
getNodeId()))))
Channels.fireExceptionCaught(ctx, EXCEPTION);
}
Example 6
| Source File: HandshakeTimeoutHandler.java From floodlight_with_topoguard with Apache License 2.0 | 5 votes |
|
@Override
public void run(Timeout timeout) throws Exception {
if (timeout.isCancelled()) {
return;
}
if (!ctx.getChannel().isOpen()) {
return;
}
if (!channelHandler.isHandshakeComplete())
Channels.fireExceptionCaught(ctx, EXCEPTION);
}
Example 7
| Source File: OFControllerChannelHandler.java From FlowSpaceFirewall with Apache License 2.0 | 5 votes |
|
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
throws Exception {
if (e.getMessage() instanceof List) {
@SuppressWarnings("unchecked")
List<OFMessage> msglist = (List<OFMessage>)e.getMessage();
for (OFMessage ofm : msglist) {
try {
// Do the actual packet processing
state.processOFMessage(this, ofm);
}
catch (Exception ex) {
// We are the last handler in the stream, so run the
// exception through the channel again by passing in
// ctx.getChannel().
Channels.fireExceptionCaught(ctx.getChannel(), ex);
}
}
// Flush all thread local queues etc. generated by this train
// of messages.
}
else {
Channels.fireExceptionCaught(ctx.getChannel(),
new AssertionError("Message received from Channel is not a list"));
}
}
Example 8
| Source File: ControllerHandshakeTimeoutHandler.java From FlowSpaceFirewall with Apache License 2.0 | 5 votes |
|
@Override
public void run(Timeout timeout) throws Exception {
if (timeout.isCancelled()) {
return;
}
if (!ctx.getChannel().isOpen()) {
return;
}
if (!channelHandler.isHandshakeComplete())
Channels.fireExceptionCaught(ctx, EXCEPTION);
}
Example 9
| Source File: NettyDispatcher.java From ikasoa with MIT License | 4 votes |
|
private void onDispatchException(ChannelHandlerContext ctx, Throwable t) {
Channels.fireExceptionCaught(ctx, t);
closeChannel(ctx);
}
Example 10
| Source File: OFChannelHandler.java From floodlight_with_topoguard with Apache License 2.0 | 4 votes |
|
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e)
throws Exception {
if (e.getMessage() instanceof List) {
@SuppressWarnings("unchecked")
List<OFMessage> msglist = (List<OFMessage>)e.getMessage();
LoadMonitor.LoadLevel loadlevel;
int packets_dropped = 0;
int packets_allowed = 0;
int lldps_allowed = 0;
if (this.controller.overload_drop) {
loadlevel = this.controller.loadmonitor.getLoadLevel();
}
else {
loadlevel = LoadMonitor.LoadLevel.OK;
}
for (OFMessage ofm : msglist) {
counters.messageReceived.updateCounterNoFlush();
// Per-switch input throttling
if (sw != null && sw.inputThrottled(ofm)) {
counters.messageInputThrottled.updateCounterNoFlush();
continue;
}
try {
if (this.controller.overload_drop &&
!loadlevel.equals(LoadMonitor.LoadLevel.OK)) {
switch (ofm.getType()) {
case PACKET_IN:
switch (loadlevel) {
case VERYHIGH:
// Drop all packet-ins, including LLDP/BDDPs
packets_dropped++;
continue;
case HIGH:
// Drop all packet-ins, except LLDP/BDDPs
byte[] data = ((OFPacketIn)ofm).getPacketData();
if (data.length > 14) {
if (((data[12] == (byte)0x88) &&
(data[13] == (byte)0xcc)) ||
((data[12] == (byte)0x89) &&
(data[13] == (byte)0x42))) {
lldps_allowed++;
packets_allowed++;
break;
}
}
packets_dropped++;
continue;
default:
// Load not high, go ahead and process msg
packets_allowed++;
break;
}
break;
default:
// Process all non-packet-ins
packets_allowed++;
break;
}
}
// Do the actual packet processing
state.processOFMessage(this, ofm);
}
catch (Exception ex) {
// We are the last handler in the stream, so run the
// exception through the channel again by passing in
// ctx.getChannel().
Channels.fireExceptionCaught(ctx.getChannel(), ex);
}
}
if (loadlevel != LoadMonitor.LoadLevel.OK) {
if (log.isDebugEnabled()) {
log.debug(
"Overload: Detected {}, packets dropped={}",
loadlevel.toString(), packets_dropped);
log.debug(
"Overload: Packets allowed={} (LLDP/BDDPs allowed={})",
packets_allowed, lldps_allowed);
}
}
// Flush all thread local queues etc. generated by this train
// of messages.
this.controller.flushAll();
}
else {
Channels.fireExceptionCaught(ctx.getChannel(),
new AssertionError("Message received from Channel is not a list"));
}
}
