From 5d901b5e3f033e8b04e53420d68626cbd87431c8 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期五, 06 五月 2022 10:12:34 +0800
Subject: [PATCH] 使用阿里代码规范。规范代码写法

---
 src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java |  153 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 142 insertions(+), 11 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java b/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
index c543e6e..a6facd5 100644
--- a/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
+++ b/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
@@ -1,6 +1,6 @@
 package com.genersoft.iot.vmp.conf;
 
-import com.genersoft.iot.vmp.media.zlm.dto.IMediaServerItem;
+import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
 import com.genersoft.iot.vmp.service.IMediaServerService;
 import org.apache.catalina.connector.ClientAbortException;
 import org.apache.http.HttpHost;
@@ -18,9 +18,13 @@
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.net.ConnectException;
 
+/**
+ * @author lin
+ */
 @SuppressWarnings(value = {"rawtypes", "unchecked"})
 @Configuration
 public class ProxyServletConfig {
@@ -35,7 +39,7 @@
 
     @Bean
     public ServletRegistrationBean zlmServletRegistrationBean(){
-        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new ZLMProxySerlet(),"/zlm/*");
+        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new ZlmProxyServlet(),"/zlm/*");
         servletRegistrationBean.setName("zlm_Proxy");
         servletRegistrationBean.addInitParameter("targetUri", "http://127.0.0.1:6080");
         servletRegistrationBean.addUrlMappings();
@@ -45,11 +49,11 @@
         return servletRegistrationBean;
     }
 
-    class ZLMProxySerlet extends ProxyServlet{
+    class ZlmProxyServlet extends ProxyServlet{
         @Override
         protected String rewriteQueryStringFromRequest(HttpServletRequest servletRequest, String queryString) {
             String queryStr = super.rewriteQueryStringFromRequest(servletRequest, queryString);
-            IMediaServerItem mediaInfo = getMediaInfoByUri(servletRequest.getRequestURI());
+            MediaServerItem mediaInfo = getMediaInfoByUri(servletRequest.getRequestURI());
             if (mediaInfo != null) {
                 if (!StringUtils.isEmpty(queryStr)) {
                     queryStr += "&secret=" + mediaInfo.getSecret();
@@ -73,7 +77,7 @@
                 if (ioException instanceof ConnectException) {
                     logger.error("zlm 杩炴帴澶辫触");
                 } else if (ioException instanceof ClientAbortException) {
-                    logger.error("鐢ㄦ埛宸蹭腑鏂繛鎺ワ紝浠g悊缁堟");
+                    logger.error("zlm: 鐢ㄦ埛宸蹭腑鏂繛鎺ワ紝浠g悊缁堟");
                 } else {
                     logger.error("zlm 浠g悊澶辫触锛� ", e);
                 }
@@ -88,7 +92,7 @@
         @Override
         protected String getTargetUri(HttpServletRequest servletRequest) {
             String requestURI = servletRequest.getRequestURI();
-            IMediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+            MediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
 
             String uri = null;
             if (mediaInfo != null) {
@@ -106,7 +110,7 @@
         @Override
         protected HttpHost getTargetHost(HttpServletRequest servletRequest) {
             String requestURI = servletRequest.getRequestURI();
-            IMediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+            MediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
             HttpHost host;
             if (mediaInfo != null) {
                 host = new HttpHost(mediaInfo.getIp(), mediaInfo.getHttpPort());
@@ -120,10 +124,14 @@
         /**
          * 鏍规嵁uri鑾峰彇娴佸獟浣撲俊鎭�
          */
-        IMediaServerItem getMediaInfoByUri(String uri){
+        MediaServerItem getMediaInfoByUri(String uri){
             String[] split = uri.split("/");
             String mediaServerId = split[2];
-            return mediaServerService.getOne(mediaServerId);
+            if ("default".equals(mediaServerId)) {
+                return mediaServerService.getDefaultMediaServer();
+            }else {
+                return mediaServerService.getOne(mediaServerId);
+            }
         }
 
         /**
@@ -132,12 +140,135 @@
         @Override
         protected String rewriteUrlFromRequest(HttpServletRequest servletRequest) {
             String requestURI = servletRequest.getRequestURI();
-            IMediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+            MediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
             String url = super.rewriteUrlFromRequest(servletRequest);
             if (mediaInfo == null) {
+                logger.error("[ZLM鏈嶅姟璁块棶浠g悊]锛岄敊璇細澶勭悊url淇℃伅鏃舵湭鎵惧埌娴佸獟浣撲俊鎭�=>{}", requestURI);
                 return  url;
             }
-            return url.replace(mediaInfo.getId() + "/", "");
+            if (!StringUtils.isEmpty(mediaInfo.getId())) {
+                url = url.replace(mediaInfo.getId() + "/", "");
+            }
+            return url.replace("default/", "");
+        }
+    }
+
+    @Bean
+    public ServletRegistrationBean recordServletRegistrationBean(){
+        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new RecordProxyServlet(),"/record_proxy/*");
+        servletRegistrationBean.setName("record_proxy");
+        servletRegistrationBean.addInitParameter("targetUri", "http://127.0.0.1:18081");
+        servletRegistrationBean.addUrlMappings();
+        if (logger.isDebugEnabled()) {
+            servletRegistrationBean.addInitParameter("log", "true");
+        }
+        return servletRegistrationBean;
+    }
+
+    class RecordProxyServlet extends ProxyServlet{
+
+        @Override
+        protected String rewriteQueryStringFromRequest(HttpServletRequest servletRequest, String queryString) {
+            String queryStr = super.rewriteQueryStringFromRequest(servletRequest, queryString);
+            MediaServerItem mediaInfo = getMediaInfoByUri(servletRequest.getRequestURI());
+            String remoteHost = String.format("http://%s:%s", mediaInfo.getIp(), mediaInfo.getHttpPort());
+            if (mediaInfo != null) {
+                if (!StringUtils.isEmpty(queryStr)) {
+                    queryStr += "&remoteHost=" + remoteHost;
+                }else {
+                    queryStr = "remoteHost=" + remoteHost;
+                }
+            }
+            return queryStr;
+        }
+
+        /**
+         * 寮傚父澶勭悊
+         */
+        @Override
+        protected void handleRequestException(HttpRequest proxyRequest, HttpResponse proxyResponse, Exception e){
+            try {
+                super.handleRequestException(proxyRequest, proxyResponse, e);
+            } catch (ServletException servletException) {
+                logger.error("褰曞儚鏈嶅姟 浠g悊澶辫触锛� ", e);
+            } catch (IOException ioException) {
+                if (ioException instanceof ConnectException) {
+                    logger.error("褰曞儚鏈嶅姟 杩炴帴澶辫触");
+                } else if (ioException instanceof ClientAbortException) {
+                    logger.error("褰曞儚鏈嶅姟:鐢ㄦ埛宸蹭腑鏂繛鎺ワ紝浠g悊缁堟");
+                } else {
+                    logger.error("褰曞儚鏈嶅姟 浠g悊澶辫触锛� ", e);
+                }
+            } catch (RuntimeException exception){
+                logger.error("褰曞儚鏈嶅姟 浠g悊澶辫触锛� ", e);
+            }
+        }
+
+        /**
+         * 瀵逛簬涓烘寜鐓ф牸寮忚姹傜殑鍙互鐩存帴杩斿洖404
+         */
+        @Override
+        protected String getTargetUri(HttpServletRequest servletRequest) {
+            String requestURI = servletRequest.getRequestURI();
+            MediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+
+            String uri = null;
+            if (mediaInfo != null) {
+//                String realRequestURI = requestURI.substring(requestURI.indexOf(mediaInfo.getId())+ mediaInfo.getId().length());
+                uri = String.format("http://%s:%s", mediaInfo.getIp(), mediaInfo.getRecordAssistPort());
+            }else {
+                uri = "http://127.0.0.1:" + serverPort +"/index/hook/null"; // 鍙槸涓�涓兘杩斿洖404鐨勮姹傝�屽凡锛� 鍏朵粬鐨勪篃鍙互
+            }
+            return uri;
+        }
+
+        /**
+         * 鍔ㄦ�佹浛鎹㈣姹傜洰鏍�
+         */
+        @Override
+        protected HttpHost getTargetHost(HttpServletRequest servletRequest) {
+            String requestURI = servletRequest.getRequestURI();
+            MediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+            HttpHost host;
+            if (mediaInfo != null) {
+                host = new HttpHost(mediaInfo.getIp(), mediaInfo.getRecordAssistPort());
+            }else {
+                host = new HttpHost("127.0.0.1", serverPort);
+            }
+            return host;
+
+        }
+
+        /**
+         * 鏍规嵁uri鑾峰彇娴佸獟浣撲俊鎭�
+         */
+        MediaServerItem getMediaInfoByUri(String uri){
+            String[] split = uri.split("/");
+            String mediaServerId = split[2];
+            if ("default".equals(mediaServerId)) {
+                return mediaServerService.getDefaultMediaServer();
+            }else {
+                return mediaServerService.getOne(mediaServerId);
+            }
+
+        }
+
+        /**
+         * 鍘绘帀url涓殑鏍囧織淇℃伅
+         */
+        @Override
+        protected String rewriteUrlFromRequest(HttpServletRequest servletRequest) {
+            String requestURI = servletRequest.getRequestURI();
+            MediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+            String url = super.rewriteUrlFromRequest(servletRequest);
+            if (mediaInfo == null) {
+                logger.error("[褰曞儚鏈嶅姟璁块棶浠g悊]锛岄敊璇細澶勭悊url淇℃伅鏃舵湭鎵惧埌娴佸獟浣撲俊鎭�=>{}", requestURI);
+                return  url;
+            }
+            if (!StringUtils.isEmpty(mediaInfo.getId())) {
+                url = url.replace(mediaInfo.getId() + "/", "");
+            }
+            return url.replace("default/", "");
         }
     }
 

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