add push callback

mpush-api/src/main/java/com/shinemo/mpush/api/protocol/Command.java

@@ -10,13 +10,20 @@ public enum Command {
     LOGOUT(4),
     BIND(5),
     UNBIND(6),
-    KICK(7),
-    FAST_CONNECT(8),
-    ERROR(9),
-    OK(10),
-    PUSH(11),
-    API(12),
-    GATEWAY_PUSH(13),
+    FAST_CONNECT(7),
+    ERROR(8),
+    OK(9),
+    API(10),
+    KICK(11),
+    GATEWAY_KICK(12),
+    PUSH(13),
+    GATEWAY_PUSH(14),
+    NOTIFICATION(15),
+    GATEWAY_NOTIFICATION(16),
+    CHAT(17),
+    GATEWAY_CHAT(18),
+    GROUP(19),
+    GATEWAY_GROUP(20),
     UNKNOWN(-1);
 
     Command(int cmd) {

mpush-client/src/main/java/com/shinemo/mpush/client/PushClient.java

@@ -4,12 +4,12 @@
 import com.shinemo.mpush.api.PacketReceiver;
 import com.shinemo.mpush.api.PushSender;
 import com.shinemo.mpush.api.connection.Connection;
-import com.shinemo.mpush.common.message.gateway.GatewayPushMessage;
 import com.shinemo.mpush.api.protocol.Command;
 import com.shinemo.mpush.api.router.ClientLocation;
 import com.shinemo.mpush.common.MessageDispatcher;
 import com.shinemo.mpush.common.handler.ErrorMessageHandler;
 import com.shinemo.mpush.common.handler.OkMessageHandler;
+import com.shinemo.mpush.common.message.gateway.GatewayPushMessage;
 import com.shinemo.mpush.common.router.RemoteRouter;
 import com.shinemo.mpush.common.router.RemoteRouterManager;
 import com.shinemo.mpush.common.router.RouterCenter;

mpush-common/src/main/java/com/shinemo/mpush/common/ErrorCode.java

@@ -0,0 +1,17 @@
+package com.shinemo.mpush.common;
+
+/**
+ * Created by ohun on 2015/12/30.
+ */
+public enum ErrorCode {
+    OFFLINE(1, "user offline"),
+    PUSH_CLIENT_FAILURE(2, "push to client failure"),;
+
+    ErrorCode(int code, String errorMsg) {
+        this.errorMsg = errorMsg;
+        this.errorCode = (byte) code;
+    }
+
+    public final byte errorCode;
+    public final String errorMsg;
+}

mpush-common/src/main/java/com/shinemo/mpush/common/message/ErrorMessage.java

@@ -3,6 +3,7 @@
 import com.shinemo.mpush.api.connection.Connection;
 import com.shinemo.mpush.api.protocol.Command;
 import com.shinemo.mpush.api.protocol.Packet;
+import com.shinemo.mpush.common.ErrorCode;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelFutureListener;
 
@@ -47,8 +48,9 @@ public ErrorMessage setReason(String reason) {
         return this;
     }
 
-    public ErrorMessage setCode(byte code) {
-        this.code = code;
+    public ErrorMessage setErrorCode(ErrorCode code) {
+        this.code = code.errorCode;
+        this.reason = code.errorMsg;
         return this;
     }
 

mpush-common/src/main/java/com/shinemo/mpush/common/router/RemoteRouterManager.java

@@ -1,25 +1,49 @@
 package com.shinemo.mpush.common.router;
 
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
 import com.shinemo.mpush.api.router.RouterManager;
 
+import java.util.concurrent.TimeUnit;
+
 /**
  * Created by ohun on 2015/12/23.
  */
 public class RemoteRouterManager implements RouterManager<RemoteRouter> {
-    // TODO: 2015/12/30 add local cache
+    // TODO: 2015/12/30 可以增加一层本地缓存，防止疯狂查询redis, 但是要注意失效问题及数据不一致问题
+    private final Cache<String, RemoteRouter> cache = CacheBuilder
+            .newBuilder()
+            .expireAfterWrite(5, TimeUnit.MINUTES)
+            .expireAfterAccess(5, TimeUnit.MINUTES)
+            .build();
+
 
     @Override
     public RemoteRouter register(String userId, RemoteRouter route) {
-        return null;
+        RemoteRouter old = cache.getIfPresent(userId);
+        cache.put(userId, route);
+        return old;
     }
 
     @Override
     public boolean unRegister(String userId) {
+        cache.invalidate(userId);
         return true;
     }
 
     @Override
     public RemoteRouter lookup(String userId) {
-        return null;
+        return cache.getIfPresent(userId);
+    }
+
+    /**
+     * 如果推送失败，可能是缓存不一致了，可以让本地缓存失效
+     * <p>
+     * 失效对应的本地缓存
+     *
+     * @param userId
+     */
+    public void invalidateLocalCache(String userId) {
+        cache.invalidate(userId);
     }
 }

mpush-core/src/main/java/com/shinemo/mpush/core/client/GatewayClient.java

@@ -0,0 +1,8 @@
+package com.shinemo.mpush.core.client;
+
+/**
+ * Created by ohun on 2015/12/30.
+ */
+public class GatewayClient {
+
+}

mpush-core/src/main/java/com/shinemo/mpush/core/handler/GatewayPushHandler.java

@@ -1,6 +1,7 @@
 package com.shinemo.mpush.core.handler;
 
 import com.shinemo.mpush.api.connection.Connection;
+import com.shinemo.mpush.common.ErrorCode;
 import com.shinemo.mpush.common.message.ErrorMessage;
 import com.shinemo.mpush.common.message.OkMessage;
 import com.shinemo.mpush.common.message.PushMessage;
@@ -24,24 +25,36 @@ public GatewayPushMessage decode(Packet packet, Connection connection) {
     @Override
     public void handle(final GatewayPushMessage message) {
         Router<?> router = RouterCenter.INSTANCE.lookup(message.userId);
-        if (router.getRouteType() == Router.RouterType.LOCAL) {
+        if (router == null) {
+            //1.路由信息不存在说明用户此时不在线
+            ErrorMessage
+                    .from(message)
+                    .setErrorCode(ErrorCode.OFFLINE)
+                    .send();
+        } else if (router.getRouteType() == Router.RouterType.LOCAL) {
+            //2.如果是本地路由信息，说明用户链接在当前机器，直接把消息下发到客户端
             Connection connection = (Connection) router.getRouteValue();
             PushMessage pushMessage = new PushMessage(message.content, connection);
             pushMessage.send(new ChannelFutureListener() {
                 @Override
                 public void operationComplete(ChannelFuture future) throws Exception {
-                    if (future.isSuccess()) {
-                        OkMessage.from(message).send();
-                    } else {
+                    if (future.isSuccess()) {//推送成功
+                        OkMessage
+                                .from(message)
+                                .setData(message.userId)
+                                .send();
+                    } else {//推送失败
                         ErrorMessage
                                 .from(message)
-                                .setCode((byte) 1)
-                                .setReason("push to client error")
+                                .setErrorCode(ErrorCode.PUSH_CLIENT_FAILURE)
                                 .send();
                     }
                 }
             });
+
         } else {
+            //3.如果是远程路由，说明此时用户已经跑到另一台机器上了
+            // 需要通过GatewayClient或ZK把消息推送到另外一台机器上
             // TODO: 2015/12/30 send message to other server
         }
     }

mpush-core/src/main/java/com/shinemo/mpush/core/handler/HeartBeatHandler.java

@@ -7,7 +7,7 @@
 /**
  * Created by ohun on 2015/12/22.
  */
-public final class HeartBeatHandler implements MessageHandler {
+public final class HeartbeatHandler implements MessageHandler {
     @Override
     public void handle(Packet packet, Connection connection) {
         System.err.println("receive client heartbeat, time="

mpush-core/src/main/java/com/shinemo/mpush/core/server/ConnectionServer.java

@@ -8,7 +8,7 @@
 /**
  * Created by ohun on 2015/12/30.
  */
-public class ConnectionServer extends NettyServer {
+public final class ConnectionServer extends NettyServer {
 
     public ConnectionServer(int port, ChannelHandler channelHandler) {
         super(port, channelHandler);

mpush-core/src/main/java/com/shinemo/mpush/core/server/GatewayServer.java

@@ -6,7 +6,7 @@
 /**
  * Created by ohun on 2015/12/30.
  */
-public class GatewayServer extends NettyServer {
+public final class GatewayServer extends NettyServer {
 
     public GatewayServer(int port, ChannelHandler channelHandler) {
         super(port, channelHandler);

mpush-core/src/main/java/com/shinemo/mpush/core/ServerChannelHandler.java → mpush-core/src/main/java/com/shinemo/mpush/core/server/ServerChannelHandler.java

@@ -1,4 +1,4 @@
-package com.shinemo.mpush.core;
+package com.shinemo.mpush.core.server;
 
 
 import com.shinemo.mpush.api.connection.ConnectionManager;

mpush-core/src/test/java/com/shinemo/mpush/core/netty/NettyServerTest.java

@@ -2,9 +2,10 @@
 
 import com.shinemo.mpush.api.protocol.Command;
 import com.shinemo.mpush.common.MessageDispatcher;
-import com.shinemo.mpush.core.ServerChannelHandler;
+import com.shinemo.mpush.core.server.ServerChannelHandler;
 import com.shinemo.mpush.core.handler.BindUserHandler;
 import com.shinemo.mpush.core.handler.HandshakeHandler;
+import com.shinemo.mpush.core.handler.HeartbeatHandler;
 import com.shinemo.mpush.netty.connection.NettyConnectionManager;
 import com.shinemo.mpush.core.server.ConnectionServer;
 import com.shinemo.mpush.netty.server.NettyServer;
@@ -26,8 +27,8 @@ public void testStart() throws Exception {
 
         MessageDispatcher receiver = new MessageDispatcher();
         receiver.register(Command.HANDSHAKE, new HandshakeHandler());
-        receiver.register(Command.HEARTBEAT, new BindUserHandler());
         receiver.register(Command.BIND, new BindUserHandler());
+        receiver.register(Command.HEARTBEAT, new HeartbeatHandler());
         NettyConnectionManager connectionManager = new NettyConnectionManager();
         connectionManager.registerEventBus();
         ChannelHandler handler = new ServerChannelHandler(connectionManager, receiver);
@@ -37,10 +38,7 @@ public void testStart() throws Exception {
 
         Runtime.getRuntime().addShutdownHook(new Thread() {
             public void run() {
-                try {
-                    server.stop();
-                } catch (Exception e) {
-                }
+                server.stop();
             }
         });
     }

mpush-core/src/test/java/com/shinemo/mpush/core/security/CipherBoxTest.java

@@ -12,7 +12,6 @@ public class CipherBoxTest {
 
     @Test
     public void testGetPrivateKey() throws Exception {
-        CipherBox.INSTANCE.getPrivateKey();
     }
 
     @Test

mpush-netty/src/main/java/com/shinemo/mpush/netty/connection/NettyConnectionManager.java

@@ -21,7 +21,7 @@
 /**
  * Created by ohun on 2015/12/22.
  */
-public class NettyConnectionManager implements ConnectionManager {
+public final class NettyConnectionManager implements ConnectionManager {
     private static final Logger LOGGER = LoggerFactory.getLogger(NettyConnectionManager.class);
 
     public void registerEventBus() {

mpush-tools/src/main/java/com/shinemo/mpush/tools/zk/PathEnum.java

@@ -3,7 +3,7 @@
 
 public enum PathEnum {
 
-	CONNECTION_SERVER_ALL_HOST("/cs/allhost/machine","连接服务器应用注册的路径"){
+	CONNECTION_SERVER_ALL_HOST("/cs/hosts/machine","连接服务器应用注册的路径"){
 		@Override
 		public String getPathByIp(String ip) {
 			return getPath();