From 6bc6042197cb8b963eee9a9da8a0139ec36f556e Mon Sep 17 00:00:00 2001
From: 64850858 <648540858@qq.com>
Date: 星期一, 19 七月 2021 17:54:01 +0800
Subject: [PATCH] 更换云端录像的代理方式

---
 src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java |  100 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 99 insertions(+), 1 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..c2fb326 100644
--- a/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
+++ b/src/main/java/com/genersoft/iot/vmp/conf/ProxyServletConfig.java
@@ -73,7 +73,7 @@
                 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);
                 }
@@ -141,4 +141,102 @@
         }
     }
 
+
+
+    @Bean
+    public ServletRegistrationBean recordServletRegistrationBean(){
+        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new RecordProxySerlet(),"/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 RecordProxySerlet extends ProxyServlet{
+
+
+        /**
+         * 寮傚父澶勭悊
+         */
+        @Override
+        protected void handleRequestException(HttpRequest proxyRequest, HttpResponse proxyResonse, Exception e){
+            try {
+                super.handleRequestException(proxyRequest, proxyResonse, 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();
+            IMediaServerItem 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();
+            IMediaServerItem 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�
+         */
+        IMediaServerItem getMediaInfoByUri(String uri){
+            String[] split = uri.split("/");
+            String mediaServerId = split[2];
+            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();
+            IMediaServerItem mediaInfo = getMediaInfoByUri(requestURI);
+            String url = super.rewriteUrlFromRequest(servletRequest);
+            if (mediaInfo == null) {
+                return  url;
+            }
+            return url.replace(mediaInfo.getId() + "/", "");
+        }
+    }
+
 }

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