/**
* Copyright 2012 Nikita Koksharov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.corundumstudio.socketio.handler;
import java.util.Collections;
import com.corundumstudio.socketio.AckRequest;
import com.corundumstudio.socketio.ack.AckManager;
import com.corundumstudio.socketio.namespace.Namespace;
import com.corundumstudio.socketio.namespace.NamespacesHub;
import com.corundumstudio.socketio.parser.Packet;
import com.corundumstudio.socketio.transport.NamespaceClient;
public class PacketListener {
private final NamespacesHub namespacesHub;
private final AckManager ackManager;
private final HeartbeatHandler heartbeatHandler;
public PacketListener(HeartbeatHandler heartbeatHandler, AckManager ackManager, NamespacesHub namespacesHub) {
this.heartbeatHandler = heartbeatHandler;
this.ackManager = ackManager;
this.namespacesHub = namespacesHub;
}
public void onPacket(Packet packet, NamespaceClient client) {
final AckRequest ackRequest = new AckRequest(packet, client);
if (packet.isAckRequested()) {
ackManager.initAckIndex(client.getSessionId(), packet.getId());
}
switch (packet.getType()) {
case CONNECT: {
Namespace namespace = namespacesHub.get(packet.getEndpoint());
namespace.onConnect(client);
// send connect handshake packet back to client
client.send(packet);
break;
}
case ACK:
ackManager.onAck(client, packet);
break;
case EVENT: {
Object data = null;
if (packet.getArgs() != null
&& !packet.getArgs().isEmpty()) {
data = packet.getArgs().get(0);
}
Namespace namespace = namespacesHub.get(packet.getEndpoint());
namespace.onEvent(client, packet.getName(), data, ackRequest);
break;
}
case HEARTBEAT:
heartbeatHandler.onHeartbeat(client.getBaseClient());
break;
case MESSAGE: {
Namespace namespace = namespacesHub.get(packet.getEndpoint());
namespace.onMessage(client, packet.getData().toString(), ackRequest);
break;
}
case JSON: {
Namespace namespace = namespacesHub.get(packet.getEndpoint());
namespace.onJsonObject(client, packet.getData(), ackRequest);
break;
}
case DISCONNECT:
client.onDisconnect();
break;
default:
break;
}
// send ack response if it not executed
// during {@link DataListener#onData} invocation
ackRequest.sendAckData(Collections.emptyList());
}
}