private CompositeBuffer toCompositeInputContentBuffer() {
if (!inputContentBuffer.isComposite()) {
final CompositeBuffer compositeBuffer =
CompositeBuffer.newBuffer(connection.getMemoryManager());
compositeBuffer.allowBufferDispose(true);
compositeBuffer.allowInternalBuffersDispose(true);
int posAlign = 0;
if (readAheadLimit > 0) { // the simple inputContentBuffer is marked
// make the marked data still available
inputContentBuffer.position(inputContentBuffer.position() - readCount);
posAlign = readCount;
markPos = 0; // for the CompositeBuffer markPos is 0
}
compositeBuffer.append(inputContentBuffer);
compositeBuffer.position(posAlign);
inputContentBuffer = compositeBuffer;
}
return (CompositeBuffer) inputContentBuffer;
}
public void testBlockingReadWithRemainder() throws Exception {
final String[] clientMsgs = {"YYYYY", "Hello", "from", "client"};
Connection connection = null;
int messageNum = 3;
final StringFilter stringFilter = new StringFilter();
final BlockingQueue<String> intermResultQueue = DataStructures.getLTQInstance(String.class);
final PUFilter puFilter = new PUFilter();
FilterChain subProtocolChain =
puFilter
.getPUFilterChainBuilder()
.add(new MergeFilter(clientMsgs.length, intermResultQueue))
.add(new EchoFilter())
.build();
puFilter.register(new SimpleProtocolFinder(clientMsgs[0]), subProtocolChain);
FilterChainBuilder filterChainBuilder = FilterChainBuilder.newInstance();
filterChainBuilder.add(new TransportFilter());
filterChainBuilder.add(stringFilter);
filterChainBuilder.add(puFilter);
TCPNIOTransport transport = TCPNIOTransportBuilder.newInstance().build();
transport.setFilterChain(filterChainBuilder.build());
try {
transport.bind(PORT);
transport.start();
final BlockingQueue<String> resultQueue = DataStructures.getLTQInstance(String.class);
Future<Connection> future = transport.connect("localhost", PORT);
connection = future.get(10, TimeUnit.SECONDS);
assertTrue(connection != null);
FilterChainBuilder clientFilterChainBuilder = FilterChainBuilder.newInstance();
clientFilterChainBuilder.add(new TransportFilter());
clientFilterChainBuilder.add(stringFilter);
clientFilterChainBuilder.add(
new BaseFilter() {
@Override
public NextAction handleRead(FilterChainContext ctx) throws IOException {
resultQueue.add((String) ctx.getMessage());
return ctx.getStopAction();
}
});
final FilterChain clientFilterChain = clientFilterChainBuilder.build();
connection.setFilterChain(clientFilterChain);
final MemoryManager memoryManager = transport.getMemoryManager();
for (int i = 0; i < messageNum; i++) {
String clientMessage = "";
CompositeBuffer bb = CompositeBuffer.newBuffer(memoryManager);
for (int j = 0; j < clientMsgs.length; j++) {
String msg = clientMsgs[j] + "-" + i;
clientMessage += msg;
Buffer buffer = stringFilter.encode(memoryManager, msg);
bb.append(buffer);
}
Future<WriteResult<WritableMessage, SocketAddress>> writeFuture = connection.write(bb);
assertTrue("Write timeout loop: " + i, writeFuture.get(10, TimeUnit.SECONDS) != null);
for (int j = 0; j < clientMsgs.length; j++) {
String msg = clientMsgs[j] + "-" + i;
final String srvInterm = intermResultQueue.poll(10, TimeUnit.SECONDS);
assertEquals("Unexpected interm. response (" + i + ", " + j + ")", msg, srvInterm);
}
final String message = resultQueue.poll(10, TimeUnit.SECONDS);
assertEquals("Unexpected response (" + i + ")", clientMessage, message);
}
} finally {
if (connection != null) {
connection.closeSilently();
}
transport.shutdownNow();
}
}