From 06cb403feb8434502c3d4ad6edae0af2e9119476 Mon Sep 17 00:00:00 2001
From: Maksim <Maksim@fanruan.com>
Date: Mon, 9 Dec 2019 16:51:15 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=9B=E5=BB=BAsocket=E5=A2=9E=E5=8A=A0?=
 =?UTF-8?q?=E5=A4=B1=E8=B4=A5=E9=87=8D=E8=AF=95?=
MIME-Version: 1.0
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---
 .../mainframe/socketio/DesignerSocketIO.java  | 167 +++++++++++-------
 1 file changed, 104 insertions(+), 63 deletions(-)

diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/socketio/DesignerSocketIO.java b/designer-realize/src/main/java/com/fr/design/mainframe/socketio/DesignerSocketIO.java
index e2b13b1ad..63bc3d999 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/socketio/DesignerSocketIO.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/socketio/DesignerSocketIO.java
@@ -13,7 +13,6 @@ import com.fr.report.RemoteDesignConstants;
 import com.fr.serialization.SerializerHelper;
 import com.fr.stable.ArrayUtils;
 import com.fr.third.apache.log4j.spi.LoggingEvent;
-import com.fr.third.guava.base.Optional;
 import com.fr.workspace.WorkContext;
 import com.fr.workspace.Workspace;
 import com.fr.workspace.base.WorkspaceConstants;
@@ -36,28 +35,19 @@ public class DesignerSocketIO {
         Disconnecting
     }
 
-    private static Optional<Socket> socketIO = Optional.absent();
+    private static Socket socket = null;
     private static Status status = Status.Disconnected;
+    //维护一个当前工作环境的uri列表
+    private static String[] uri;
+    //维护一个关于uri列表的计数器
+    private static int count;
 
-    private static final Emitter.Listener printLog = new Emitter.Listener() {
-        @Override
-        public void call(Object... objects) {
-            if (ArrayUtils.isNotEmpty(objects)) {
-                try {
-                    LoggingEvent event = SerializerHelper.deserialize((byte[]) objects[0]);
-                    DesignerLogger.log(event);
-                } catch (Exception e) {
-                    FineLoggerFactory.getLogger().error(e.getMessage(), e);
-                }
-            }
-        }
-    };
 
     public static void close() {
-        if (socketIO.isPresent()) {
+        if (socket != null) {
             status = Status.Disconnecting;
-            socketIO.get().close();
-            socketIO = Optional.absent();
+            socket.close();
+            socket = null;
         }
     }
 
@@ -66,57 +56,42 @@ public class DesignerSocketIO {
         if (current.isLocal()) {
             return;
         }
+        //每当更换工作环境，更新uri列表，同时更新计数器count
         try {
-            String[] uri = getSocketUri(current);
-            socketIO = Optional.of(IO.socket(new URI(uri[0])));
-            socketIO.get().on(WorkspaceConstants.WS_LOGRECORD, printLog);
-            socketIO.get().on(WorkspaceConstants.CONFIG_MODIFY, new Emitter.Listener() {
-                @Override
-                public void call(Object... objects) {
-                    assert objects != null && objects.length == 1;
-                    String param = (String) objects[0];
-                    EventDispatcher.fire(RemoteConfigEvent.EDIT, param);
-                }
-            });
-            socketIO.get().on(Socket.EVENT_DISCONNECT, new Emitter.Listener() {
-                @Override
-                public void call(Object... objects) {
-                    /*
-                     * todo 远程心跳断开不一定 socketio 断开 和远程紧密相关的业务都绑定在心跳上，切换成心跳断开之后进行提醒，
-                     * socketio 只用推日志和通知配置变更
-                     */
-                    if (status != Status.Disconnecting) {
-                        try {
-                            UIUtil.invokeAndWaitIfNeeded(new Runnable() {
-                                @Override
-                                public void run() {
-                                    JOptionPane.showMessageDialog(
-                                            DesignerContext.getDesignerFrame(),
-                                            Toolkit.i18nText("Fine-Design_Basic_Remote_Disconnected"),
-                                            UIManager.getString("OptionPane.messageDialogTitle"),
-                                            JOptionPane.ERROR_MESSAGE,
-                                            UIManager.getIcon("OptionPane.errorIcon"));
-                                    EnvChangeEntrance.getInstance().chooseEnv();
-                                }
-                            });
-                        } catch (Exception e) {
-                            FineLoggerFactory.getLogger().error(e.getMessage(), e);
-                        }
-                    }
-                    status = Status.Disconnected;
-                }
-            });
-            socketIO.get().connect();
-            status = Status.Connected;
+            uri = getSocketUri();
+        } catch (IOException e) {
+            FineLoggerFactory.getLogger().error(e.getMessage(), e);
+        }
+        count = 0;
+        //建立socket并注册监听
+        createSocket();
+    }
+
+    private static void createSocket(){
+        //根据uri和计数器建立连接，并注册监听
+        try {
+            if(count<uri.length) {
+                socket = IO.socket(new URI(uri[count]));
+                socket.on(WorkspaceConstants.WS_LOGRECORD, printLog);
+                socket.on(WorkspaceConstants.CONFIG_MODIFY, modifyConfig);
+                socket.on(Socket.EVENT_CONNECT_ERROR, failRetry);
+                socket.on(Socket.EVENT_DISCONNECT, disConnectHint);
+                socket.connect();
+                status = Status.Connected;
+            }else {
+                //表示所有的uri都连接不成功
+                FineLoggerFactory.getLogger().warn("All uris failed to connect");
+            }
         } catch (Exception e) {
             FineLoggerFactory.getLogger().error(e.getMessage(), e);
         }
     }
 
-    private static String[] getSocketUri(Workspace current) throws IOException {
+    private static String[] getSocketUri() throws IOException {
+        Workspace current = WorkContext.getCurrent();
         URL url = new URL(current.getPath());
-        Integer[] ports = WorkContext.getCurrent().get(SocketInfoOperator.class).getPort();
-        WorkspaceConnection connection = WorkContext.getCurrent().getConnection();
+        Integer[] ports = current.get(SocketInfoOperator.class).getPort();
+        WorkspaceConnection connection = current.getConnection();
         String[] result = new String[ports.length];
         for (int i = 0; i < ports.length; i++) {
             result[i] = String.format("%s://%s:%s%s?%s=%s&%s=%s",
@@ -130,6 +105,72 @@ public class DesignerSocketIO {
                     connection.getId());
         }
         return result;
-
     }
+
+    //失败重试监听器：1、关闭失败的socket 2、计数器加1 3、调用创建socket方法
+    private static final Emitter.Listener failRetry = new Emitter.Listener() {
+        @Override
+        public void call(Object... args) {
+            status = Status.Disconnecting;
+            socket.close();
+            count++;
+            createSocket();
+        }
+    };
+
+    //日志输出监听器
+    private static final Emitter.Listener printLog = new Emitter.Listener() {
+        @Override
+        public void call(Object... objects) {
+            if (ArrayUtils.isNotEmpty(objects)) {
+                try {
+                    LoggingEvent event = SerializerHelper.deserialize((byte[]) objects[0]);
+                    DesignerLogger.log(event);
+                } catch (Exception e) {
+                    FineLoggerFactory.getLogger().error(e.getMessage(), e);
+                }
+            }
+        }
+    };
+
+    //断开连接提醒监听器
+    private static final Emitter.Listener disConnectHint = new Emitter.Listener() {
+        @Override
+        public void call(Object... objects) {
+            /*
+             * todo 远程心跳断开不一定 socket 断开 和远程紧密相关的业务都绑定在心跳上，切换成心跳断开之后进行提醒，
+             * socket 只用推日志和通知配置变更
+             */
+            if (status != Status.Disconnecting) {
+                try {
+                    UIUtil.invokeAndWaitIfNeeded(new Runnable() {
+                        @Override
+                        public void run() {
+                            JOptionPane.showMessageDialog(
+                                    DesignerContext.getDesignerFrame(),
+                                    Toolkit.i18nText("Fine-Design_Basic_Remote_Disconnected"),
+                                    UIManager.getString("OptionPane.messageDialogTitle"),
+                                    JOptionPane.ERROR_MESSAGE,
+                                    UIManager.getIcon("OptionPane.errorIcon"));
+                            EnvChangeEntrance.getInstance().chooseEnv();
+                        }
+                    });
+                } catch (Exception e) {
+                    FineLoggerFactory.getLogger().error(e.getMessage(), e);
+                }
+            }
+            status = Status.Disconnected;
+        }
+    };
+
+    //配置变更监听器
+    private static final Emitter.Listener modifyConfig = new Emitter.Listener() {
+        @Override
+        public void call(Object... objects) {
+            assert objects != null && objects.length == 1;
+            String param = (String) objects[0];
+            EventDispatcher.fire(RemoteConfigEvent.EDIT, param);
+        }
+    };
+
 }