@Override
public void handle(Packet packet) throws Exception {
assert packet.isHeaderSet(Packet.HEADER_BIND);
BindMessage bind = ioService.getSerializationService().toObject(packet);
bind(
(TcpIpConnection) packet.getConn(),
bind.getLocalAddress(),
bind.getTargetAddress(),
bind.shouldReply());
}
@Override
public void handlePacket(Packet packet) {
final ClientConnection conn = (ClientConnection) packet.getConn();
conn.incrementPacketCount();
if (packet.isHeaderSet(Packet.HEADER_EVENT)) {
final ClientListenerServiceImpl listenerService =
(ClientListenerServiceImpl) client.getListenerService();
listenerService.handleEventPacket(packet);
} else {
invocationService.handlePacket(packet);
}
}
public boolean write(SocketWritable socketWritable) {
final Packet packet = (Packet) socketWritable;
if (nodeEngine.getNode().isActive()) {
packet.setConn(thisConnection);
MemberImpl member = nodeEngine.getClusterService().getMember(thisAddress);
if (member != null) {
member.didRead();
}
nodeEngine.handlePacket(packet);
return true;
}
return false;
}
void sendBindRequest(TcpIpConnection connection, Address remoteEndPoint, boolean replyBack) {
connection.setEndPoint(remoteEndPoint);
ioService.onSuccessfulConnection(remoteEndPoint);
// make sure bind packet is the first packet sent to the end point.
if (logger.isFinestEnabled()) {
logger.finest("Sending bind packet to " + remoteEndPoint);
}
BindMessage bind = new BindMessage(ioService.getThisAddress(), remoteEndPoint, replyBack);
byte[] bytes = ioService.getSerializationService().toBytes(bind);
Packet packet = new Packet(bytes);
packet.setHeader(Packet.HEADER_BIND);
connection.write(packet);
// now you can send anything...
}
@Test
public void whenNoProblemPacket() throws Exception {
final Packet packet =
new Packet(serializationService.toBytes(new NormalResponse("foo", 1, 0, false)));
packet.setFlag(FLAG_OP);
packet.setFlag(FLAG_RESPONSE);
asyncHandler.handle(packet);
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
verify(responsePacketHandler).handle(packet);
}
});
}
public void execute(Packet packet) {
try {
if (packet.isHeaderSet(Packet.HEADER_RESPONSE)) {
// it is an response packet.
responseThread.workQueue.add(packet);
} else {
// it is an must be an operation packet
int partitionId = packet.getPartitionId();
boolean hasPriority = packet.isUrgent();
execute(packet, partitionId, hasPriority);
}
} catch (RejectedExecutionException e) {
if (node.nodeEngine.isActive()) {
throw e;
}
}
}
public boolean send(Response response, Address target) {
checkNotNull(target, "Target is required!");
if (thisAddress.equals(target)) {
throw new IllegalArgumentException(
"Target is this node! -> " + target + ", response: " + response);
}
byte[] bytes = serializationService.toBytes(response);
Packet packet = new Packet(bytes, -1).setAllFlags(FLAG_OP | FLAG_RESPONSE);
if (response.isUrgent()) {
packet.setFlag(FLAG_URGENT);
}
ConnectionManager connectionManager = node.getConnectionManager();
Connection connection = connectionManager.getOrConnect(target);
return connectionManager.transmit(packet, connection);
}
@Test
@Ignore // https://github.com/hazelcast/hazelcast/issues/7864
public void whenShutdown() {
asyncHandler.shutdown();
final Packet packet =
new Packet(serializationService.toBytes(new NormalResponse("foo", 1, 0, false)));
packet.setFlag(FLAG_OP);
packet.setFlag(FLAG_RESPONSE);
asyncHandler.handle(packet);
assertTrueFiveSeconds(
new AssertTask() {
@Override
public void run() throws Exception {
verifyZeroInteractions(responsePacketHandler);
}
});
}
@Override
public boolean send(Operation op, Address target) {
checkNotNull(target, "Target is required!");
if (thisAddress.equals(target)) {
throw new IllegalArgumentException("Target is this node! -> " + target + ", op: " + op);
}
byte[] bytes = serializationService.toBytes(op);
int partitionId = op.getPartitionId();
Packet packet = new Packet(bytes, partitionId).setFlag(FLAG_OP);
if (op.isUrgent()) {
packet.setFlag(FLAG_URGENT);
}
ConnectionManager connectionManager = node.getConnectionManager();
Connection connection = connectionManager.getOrConnect(target);
return connectionManager.transmit(packet, connection);
}
@Override
public void handleMemberPacket(final Packet packet) {
final Address endPoint = packet.getConn().getEndPoint();
if (endPoint != null) {
final MemberImpl member = node.clusterService.getMember(endPoint);
if (member != null) {
member.didRead();
}
}
nodeEngine.handlePacket(packet);
}
@Test
public void whenPacketThrowsException() throws Exception {
final Packet badPacket =
new Packet(serializationService.toBytes(new NormalResponse("bad", 1, 0, false)));
badPacket.setFlag(FLAG_OP);
badPacket.setFlag(FLAG_RESPONSE);
final Packet goodPacket =
new Packet(serializationService.toBytes(new NormalResponse("good", 1, 0, false)));
goodPacket.setFlag(FLAG_OP);
goodPacket.setFlag(FLAG_RESPONSE);
doThrow(new ExpectedRuntimeException()).when(responsePacketHandler).handle(badPacket);
asyncHandler.handle(badPacket);
asyncHandler.handle(goodPacket);
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
verify(responsePacketHandler).handle(goodPacket);
}
});
}
private Packet readFromPacket(Packet packet) {
Packet newPacket = new Packet();
ByteBuffer buffer = ByteBuffer.allocate(4096);
boolean writeDone;
boolean readDone;
do {
writeDone = packet.writeTo(buffer);
buffer.flip();
readDone = newPacket.readFrom(buffer);
if (buffer.hasRemaining()) {
throw new IllegalStateException("Buffer should be empty! " + buffer);
}
buffer.clear();
} while (!writeDone);
if (!readDone) {
throw new IllegalStateException("Read should be completed!");
}
newPacket.setConn(localConnection);
return newPacket;
}
