/**
* Writes the specified TaskResult data to the channel output. Only the raw output data is written
* and rest of the TaskResult fields are ignored
*
* @param ctx the ChannelHandlerContext
* @param event the ChannelEvent
* @throws Exception in case of any errors
*/
private void writeCommandExecutionResponse(
ChannelHandlerContext ctx, ChannelEvent event, HttpResponse response) throws Exception {
// Don't write anything if the response is null
if (response == null) {
// write empty response
event
.getChannel()
.write(new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NO_CONTENT))
.addListener(ChannelFutureListener.CLOSE);
return;
}
org.jboss.netty.handler.codec.http.HttpResponse httpResponse =
new DefaultHttpResponse(
HttpVersion.HTTP_1_1,
HttpResponseStatus.valueOf(response.getStatusLine().getStatusCode()));
// write headers
for (Header header : response.getAllHeaders()) {
if (!RoutingHttpChannelHandler.REMOVE_HEADERS.contains(header.getName())) {
httpResponse.setHeader(header.getName(), header.getValue());
}
}
// write entity
HttpEntity responseEntity = response.getEntity();
byte[] responseData = EntityUtils.toByteArray(responseEntity);
httpResponse.setContent(ChannelBuffers.copiedBuffer(responseData));
// write response
event.getChannel().write(httpResponse).addListener(ChannelFutureListener.CLOSE);
}
@Override
public void log(ChannelEvent e) {
StringBuilder sb = new StringBuilder();
// System.out.println(e);
if (e instanceof DownstreamMessageEvent) {
DownstreamMessageEvent devm = (DownstreamMessageEvent) e;
Object mes = devm.getMessage();
sb.append('[');
sb.append(e.getChannel().getId());
sb.append(" >out> ");
if (mes instanceof ChannelBuffer)
encodeBuffer((ChannelBuffer) ((DownstreamMessageEvent) e).getMessage(), sb);
else sb.append(mes.toString());
} else if (e instanceof UpstreamMessageEvent) {
sb.append(e.getChannel().getId());
sb.append(" <in< ");
Object message = ((UpstreamMessageEvent) e).getMessage();
if (message instanceof ChannelBuffer)
encodeBuffer((ChannelBuffer) ((UpstreamMessageEvent) e).getMessage(), sb);
} else if (e instanceof ExceptionEvent) {
sb.append(e.toString());
} else sb.append(e.toString());
Constants.ahessianLogger.info(sb.toString());
}
public void handleDownstream(final ChannelHandlerContext context, final ChannelEvent evt)
throws Exception {
if (evt instanceof ChannelStateEvent) {
ChannelStateEvent e = (ChannelStateEvent) evt;
switch (e.getState()) {
case OPEN:
case CONNECTED:
case BOUND:
if (Boolean.FALSE.equals(e.getValue()) || e.getValue() == null) {
closeOutboundAndChannel(context, e);
return;
}
}
}
if (!(evt instanceof MessageEvent)) {
context.sendDownstream(evt);
return;
}
MessageEvent e = (MessageEvent) evt;
if (!(e.getMessage() instanceof ChannelBuffer)) {
context.sendDownstream(evt);
return;
}
// Do not encrypt the first write request if this handler is
// created with startTLS flag turned on.
if (startTls && sentFirstMessage.compareAndSet(false, true)) {
context.sendDownstream(evt);
return;
}
// Otherwise, all messages are encrypted.
ChannelBuffer msg = (ChannelBuffer) e.getMessage();
PendingWrite pendingWrite;
if (msg.readable()) {
pendingWrite =
new PendingWrite(
evt.getFuture(), msg.toByteBuffer(msg.readerIndex(), msg.readableBytes()));
} else {
pendingWrite = new PendingWrite(evt.getFuture(), null);
}
synchronized (pendingUnencryptedWrites) {
boolean offered = pendingUnencryptedWrites.offer(pendingWrite);
assert offered;
}
wrap(context, evt.getChannel());
}
/**
* Interface method implementation. Reads and processes commands sent to the service proxy.
* Expects data in the command protocol defined in the class summary. Discards commands that do
* not have a {@link TaskHandler} mapping.
*
* @see
* org.jboss.netty.channel.SimpleChannelUpstreamHandler#handleUpstream(org.jboss.netty.channel.ChannelHandlerContext,
* org.jboss.netty.channel.ChannelEvent)
*/
public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent event) throws Exception {
if (MessageEvent.class.isAssignableFrom(event.getClass())) {
CommandInterpreter commandInterpreter = new CommandInterpreter();
CommandInterpreter.ProxyCommand readCommand =
commandInterpreter.readCommand((MessageEvent) event);
LOGGER.debug("Read Command : " + readCommand);
String pool = readCommand.getCommandParams().get("pool");
TaskHandlerExecutor executor;
// Try to execute command using ThreadPool, if "pool" is found in the command, else the
// command name
if (pool != null) {
executor = this.repository.get(readCommand.getCommand(), pool);
} else {
executor = this.repository.get(readCommand.getCommand(), readCommand.getCommand());
}
executor.setParams(readCommand.getCommandParams());
executor.setData(readCommand.getCommandData());
try {
TaskResult result = executor.execute();
LOGGER.debug("The output is: " + result);
// write the results to the channel output
commandInterpreter.writeCommandExecutionResponse(ctx, event, result);
} catch (Exception e) {
LOGGER.error("Error in executing command/fallBack : " + readCommand, e);
throw new RuntimeException("Error in executing command : " + readCommand, e);
}
}
super.handleUpstream(ctx, event);
}
@Override
public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
if (e instanceof ChannelStateEvent) {
logger.info(e.toString());
}
super.handleUpstream(ctx, e);
}
@Before
public void setup() throws Exception {
host = "4.3.2.1";
hostbytes = new byte[] {0x4, 0x3, 0x2, 0x1};
port = 5646;
jsonResponse = "{\"name\":\"name\",\"host\":\"" + host + "\",\"port\":" + port + "}";
cmasBaseUrl = "http://test/";
parser = new JSONParser();
client = mock(Client.class);
clientResponse = mock(ClientResponse.class);
e = mock(ChannelEvent.class);
channel = mock(Channel.class);
remoteAddress = new InetSocketAddress(InetAddress.getByAddress(null, hostbytes), port);
when(e.getChannel()).thenReturn(channel);
when(channel.getRemoteAddress()).thenReturn(remoteAddress);
webResource = mock(WebResource.class);
builder = PowerMockito.mock(Builder.class);
when(client.resource((String) any())).thenReturn(webResource);
when(webResource.accept((String) any())).thenReturn(builder);
PowerMockito.when(builder.post(ClientResponse.class)).thenReturn(clientResponse);
when(clientResponse.getStatus()).thenReturn(200);
when(clientResponse.getEntity(String.class)).thenReturn(jsonResponse);
}
@Override
public void handleUpstream(final ChannelHandlerContext ctx, final ChannelEvent e)
throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug(getPeerUuidLoggingString() + e.toString());
}
super.handleUpstream(ctx, e);
}
/**
* {@inheritDoc}
*
* @see
* org.jboss.netty.channel.ChannelUpstreamHandler#handleUpstream(org.jboss.netty.channel.ChannelHandlerContext,
* org.jboss.netty.channel.ChannelEvent)
*/
@Override
public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
if (e instanceof MessageEvent) {
MessageEvent me = (MessageEvent) e;
if (me.getMessage() instanceof ChannelBuffer) {
ChannelBuffer postDetectBuffer =
protocolSwitch(ctx, e.getChannel(), (ChannelBuffer) me.getMessage(), e);
if (postDetectBuffer != null) {
ctx.getPipeline().remove(this);
ctx.sendUpstream(
new UpstreamMessageEvent(
e.getChannel(), postDetectBuffer, ((MessageEvent) e).getRemoteAddress()));
}
}
} else {
ctx.sendUpstream(e);
}
}
@Test
public void testResultParsing() throws Exception {
CMASRestResolver resolver = new CMASRestResolver(cmasBaseUrl, parser, client);
InetSocketAddress resultAddress = resolver.resolveTarget(e.getChannel());
assertEquals(host, resultAddress.getHostName());
assertEquals(port, resultAddress.getPort());
}
@Test
public void testBaseUrlHandlingNoTrailingDelimiter() throws Exception {
cmasBaseUrl = "http://test";
CMASRestResolver resolver = new CMASRestResolver(cmasBaseUrl, parser, client);
InetSocketAddress resultAddress = resolver.resolveTarget(e.getChannel());
verify(client).resource(cmasBaseUrl + "/uirest/vnc/registration/" + host);
assertEquals(host, resultAddress.getHostName());
assertEquals(port, resultAddress.getPort());
}
/**
* Handle downstream event.
*
* @param pipeline the {@link ChannelPipeline} that passes down the downstream event.
* @param e The downstream event.
*/
@Override
public void eventSunk(final ChannelPipeline pipeline, final ChannelEvent e) throws Exception {
final NioDatagramChannel channel = (NioDatagramChannel) e.getChannel();
final ChannelFuture future = e.getFuture();
if (e instanceof ChannelStateEvent) {
final ChannelStateEvent stateEvent = (ChannelStateEvent) e;
final ChannelState state = stateEvent.getState();
final Object value = stateEvent.getValue();
switch (state) {
case OPEN:
if (Boolean.FALSE.equals(value)) {
channel.worker.close(channel, future);
}
break;
case BOUND:
if (value != null) {
bind(channel, future, (InetSocketAddress) value);
} else {
channel.worker.close(channel, future);
}
break;
case CONNECTED:
if (value != null) {
connect(channel, future, (InetSocketAddress) value);
} else {
NioDatagramWorker.disconnect(channel, future);
}
break;
case INTEREST_OPS:
channel.worker.setInterestOps(channel, future, ((Integer) value).intValue());
break;
}
} else if (e instanceof MessageEvent) {
final MessageEvent event = (MessageEvent) e;
final boolean offered = channel.writeBufferQueue.offer(event);
assert offered;
channel.worker.writeFromUserCode(channel);
}
}
public void eventSunk(ChannelPipeline pipeline, ChannelEvent e) throws Exception {
OioDatagramChannel channel = (OioDatagramChannel) e.getChannel();
ChannelFuture future = e.getFuture();
if (e instanceof ChannelStateEvent) {
ChannelStateEvent stateEvent = (ChannelStateEvent) e;
ChannelState state = stateEvent.getState();
Object value = stateEvent.getValue();
switch (state) {
case OPEN:
if (Boolean.FALSE.equals(value)) {
OioDatagramWorker.close(channel, future);
}
break;
case BOUND:
if (value != null) {
bind(channel, future, (SocketAddress) value);
} else {
OioDatagramWorker.close(channel, future);
}
break;
case CONNECTED:
if (value != null) {
connect(channel, future, (SocketAddress) value);
} else {
OioDatagramWorker.disconnect(channel, future);
}
break;
case INTEREST_OPS:
OioDatagramWorker.setInterestOps(channel, future, ((Integer) value).intValue());
break;
}
} else if (e instanceof MessageEvent) {
MessageEvent evt = (MessageEvent) e;
OioDatagramWorker.write(channel, future, evt.getMessage(), evt.getRemoteAddress());
}
}
static void sendRedirect(
final ChannelHandlerContext ctx,
final ChannelEvent e,
final Class<? extends ComponentId> compClass,
final MappingHttpRequest request) {
e.getFuture().cancel();
String redirectUri = null;
if (Topology.isEnabled(compClass)) { // have an enabled service, lets use that
final URI serviceUri = ServiceUris.remote(Topology.lookup(compClass));
redirectUri =
serviceUri.toASCIIString() + request.getServicePath().replace(serviceUri.getPath(), "");
} else if (Topology.isEnabled(
Eucalyptus.class)) { // can't find service info, redirect via clc master
final URI serviceUri = ServiceUris.remote(Topology.lookup(Eucalyptus.class));
redirectUri =
serviceUri.toASCIIString().replace(Eucalyptus.INSTANCE.getServicePath(), "")
+ request.getServicePath().replace(serviceUri.getPath(), "");
}
HttpResponse response = null;
if (redirectUri == null || isRedirectLoop(request, redirectUri)) {
response =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.SERVICE_UNAVAILABLE);
if (Logs.isDebug()) {
String errorMessage =
"Failed to lookup service for "
+ Components.lookup(compClass).getName()
+ " for path "
+ request.getServicePath()
+ ".\nCurrent state: \n\t"
+ Joiner.on("\n\t").join(Topology.enabledServices());
byte[] errorBytes = Exceptions.string(new ServiceStateException(errorMessage)).getBytes();
response.setContent(ChannelBuffers.wrappedBuffer(errorBytes));
}
} else {
response =
new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.TEMPORARY_REDIRECT);
if (request.getQuery() != null) {
redirectUri += "?" + request.getQuery();
}
response.setHeader(HttpHeaders.Names.LOCATION, redirectUri);
}
response.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
if (ctx.getChannel().isConnected()) {
ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
}
}
@Override
public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
if (e instanceof MessageEvent) {
MessageEvent event = (MessageEvent) e;
ChannelBuffer buffer = (ChannelBuffer) event.getMessage();
while (buffer.readableBytes() > 0) {
ChannelBuffer newBuffer = ChannelBuffers.dynamicBuffer();
if (buffer.readableBytes() >= chunkSize) {
newBuffer.writeBytes(buffer.readBytes(chunkSize));
} else {
newBuffer.writeBytes(buffer.readBytes(buffer.readableBytes()));
}
Thread.sleep(latency);
write(ctx, e.getFuture(), newBuffer, event.getRemoteAddress());
}
} else {
ctx.sendDownstream(e);
}
}
@Override
public void msgTimedEvent() throws UnsupportedEncodingException {
SmqOppResult ruCount = getmsgList().Opp(QueueMethod.Count, null);
int len = ruCount.count;
for (int i = 0; i < len; i++) {
// C# TO JAVA CONVERTER TODO TASK: There is no preprocessor in Java:
/// #region 获取消息及Session
SmqOppResult ruShift = getmsgList().Opp(QueueMethod.Shift, null);
if (!ruShift.oppSucess) {
Log.WriteStrByArgument(
RCLogicLPU.class.getName(), "msgTimedEvent", "QueueMethod.Shift", "oppSucess is false");
continue;
}
if (null == ruShift.item) {
Log.WriteStrByArgument(
RCLogicLPU.class.getName(), "msgTimedEvent", "QueueMethod.Shift", "item is null");
continue;
}
SessionMessage item = ruShift.item;
//
XmlDocument doc = item.doc();
String strIpPort = item.strIpPort();
String action = item.action();
ChannelEvent e = item.e();
item.Dereference();
AppSession c = new AppSession(e.getChannel(), e);
//
if (action.equals(RCClientAction.loadG)) {
RCLogic.doorLoadG(c, doc);
continue;
}
if (action.equals(RCClientAction.betG)) {
RCLogic.doorBetG(c, doc);
continue;
}
if (action.equals(RCClientAction.updG)) {
RCLogic.doorUpdG(c, doc);
continue;
}
if (action.equals(RCClientAction.updHonor)) {
RCLogic.doorUpdHonor(c, doc);
continue;
}
if (action.equals(RCClientAction.login)) {
RCLogic.doorLogin(c, doc);
continue;
}
if (action.equals(RCClientAction.hasReg)) {
RCLogic.doorHasReg(c, doc);
continue;
}
if (action.equals(RCClientAction.reg)) {
RCLogic.doorReg(c, doc);
continue;
}
if (action.equals(RCClientAction.chkEveryDayLoginAndGet)) {
RCLogic.doorChkEveryDayLoginAndGet(c, doc);
continue;
}
if (action.equals(RCClientAction.loadChart)) {
RCLogic.doorLoadChart(c, doc);
continue;
}
if (action.equals(RCClientAction.loadTopList)) {
RCLogic.doorLoadTopList(c, doc);
continue;
}
if (action.equals(RCClientAction.hasProof)) {
RCLogic.doorHasProof(c, doc);
continue;
}
if (action.equals(RCClientAction.loadDBType)) {
RCLogic.doorLoadDBType(c, doc);
continue;
}
// Logger.WriteStr("无效协议号:" + clientServerAction);
Log.WriteStr(SR.GetString(SR.getInvalid_protocol_num(), action));
}
}
