update doc

README.md

@@ -1,6 +1,9 @@
 anyproxy
 ==========
 A fully configurable proxy in NodeJS, which can handle HTTPS requests perfectly.
+(Some Chinese in this doc is nothing but translation of some key points. Be relax if you dont understand.)
+
+![](https://i.alipayobjects.com/i/ecmng/png/201409/3NKRCRk2Uf.png)
 
 Feature
 ------------
@@ -36,15 +39,33 @@ How to write your own rule file
 * ``anyproxy --rule /path/to/ruleFile.js``
 * you may learn how it works by our samples: [https://github.com/alipay-ct-wd/anyproxy/tree/master/rule_sample](https://github.com/alipay-ct-wd/anyproxy/tree/master/rule_sample)
 * samples in [rule_sample](https://github.com/alipay-ct-wd/anyproxy/tree/master/rule_sample)
-    * **rule__blank.js**, blank rule file with some comments. You may read this before writing your own rule file.
-    * **rule_adjust_response_time.js**, delay all the response for 1500ms
-    * **rule_allow_CORS.js**, add CORS headers to allow cross-domain ajax request
-    * **rule_intercept_some_https_requests.js**, intercept https requests toward github.com
-    * **rule_remove_cache_header.js**, remove all cache-related headers from server
-    * **rule_replace_request_option.js**, replace request parameters before sending to the server
-    * **rule_replace_response_data.js**, modify response data
-    * **rule_replace_response_status_code.js**, replace server's status code
-    * **rule_use_local_data.js**, map some requests to local file
+    * **rule__blank.js**,
+        * blank rule file with some comments. You may read this before writing your own rule file.
+        * 空白的规则文件模板，和一些注释
+    * **rule_adjust_response_time.js**
+        * delay all the response for 1500ms
+        * 把所有的响应延迟1500毫秒
+    * **rule_allow_CORS.js**
+        * add CORS headers to allow cross-domain ajax request
+        * 为ajax请求增加跨域头
+    * **rule_intercept_some_https_requests.js**
+        * intercept https requests toward github.com and append some data
+        * 截获github.com的https请求，再在最后加点文字
+    * **rule_remove_cache_header.js**
+        * remove all cache-related headers from server
+        * 去除响应头里缓存相关的头
+    * **rule_replace_request_option.js**
+        * replace request parameters before sending to the server
+        * 在请求发送到服务端前对参数做一些调整
+    * **rule_replace_response_data.js**
+        * modify response data
+        * 修改响应数据
+    * **rule_replace_response_status_code.js**
+        * replace server's status code
+        * 改变服务端响应的http状态码
+    * **rule_use_local_data.js**
+        * map some requests to local file
+        * 把响应映射到本地
 
 * rule file scheme is as follows, you may also get it from [rule__blank.js](https://github.com/alipay-ct-wd/anyproxy/blob/master/rule_sample/rule__blank.js)
 

proxy.js

@@ -43,9 +43,9 @@ function proxyServer(option){
         proxyType  = /https/i.test(option.type || DEFAULT_TYPE) ? T_TYPE_HTTPS : T_TYPE_HTTP ,
         proxyPort  = option.port     || DEFAULT_PORT,
         proxyHost  = option.hostname || DEFAULT_HOST,
-        proxyRules = option.rule || require('./lib/rule_default');
+        proxyRules = option.rule || require('./lib/rule_default'); 
 
-    requestHandler.setRules(proxyRules);
+    requestHandler.setRules(proxyRules); //TODO : optimize calling for set rule
     self.httpProxyServer = null;
 
     async.series(

rule_sample/rule__blank.js

@@ -1,25 +1,51 @@
 module.exports = {
 	/*
-	these functions will overwrite the default ones, write your own when necessary.
+	These functions will overwrite the default ones, write your own when necessary.
+    Comments in Chinese are nothing but a translation of key points. Be relax if you dont understand.
+    致中文用户：中文注释都是只摘要，必要时请参阅英文注释。欢迎提出修改建议。
 	*/
     summary:function(){
         console.log("this is a blank rule for anyproxy");
     },
 
-	//whether to intercept this request by local logic
+
+
+
+
+
+    //=======================
+    //when getting a request from user
+    //收到用户请求之后
+    //=======================
+
+    //是否在本地直接发送响应（不再向服务器发出请求）
+	//whether to intercept this request by local logic 
 	//if the return value is true, anyproxy will call dealLocalResponse to get response data and will not send request to remote server anymore
 	shouldUseLocalResponse : function(req,reqBody){
         return false;
 	},
 
+    //如果shouldUseLocalResponse返回true，会调用这个函数来获取本地响应内容
     //you may deal the response locally instead of sending it to server
-    //this function be called when shouldUseLocalResponse returns true
-	//callback(statusCode,resHeader,responseData)
-	//e.g. callback(200,{"content-type":"text/html"},"hello world")
+    //this function be called when shouldUseLocalResponse returns true 
+    //callback(statusCode,resHeader,responseData)
+    //e.g. callback(200,{"content-type":"text/html"},"hello world")
 	dealLocalResponse : function(req,reqBody,callback){
         callback(statusCode,resHeader,responseData)
 	},
 
+
+
+
+
+
+
+    //=======================
+    //when ready to send a request to server
+    //向服务端发出请求之前
+    //=======================
+
+    //替换向服务器发出的请求协议（http和https的替换）
     //replace the request protocol when sending to the real server
     //protocol : "http" or "https"
     replaceRequestProtocol:function(req,protocol){
@@ -27,6 +53,7 @@ module.exports = {
     	return newProtocol;
     },
 
+    //替换向服务器发出的请求参数（option)
     //req is user's request which will be sent to the proxy server, docs : http://nodejs.org/api/http.html#http_http_request_options_callback
     //you may return a customized option to replace the original option
     //you should not write content-length header in options, since anyproxy will handle it for you
@@ -35,17 +62,29 @@ module.exports = {
         return newOption;
     },
 
+    //替换请求的body
     //replace the request body
     replaceRequestData: function(req,data){
         return data;
     },
 
+
+
+
+
+    //=======================
+    //when ready to send the response to user after receiving response from server
+    //向用户返回服务端的响应之前
+    //=======================
+
+    //替换服务器响应的http状态码
     //replace the statusCode before it's sent to the user
     replaceResponseStatusCode: function(req,res,statusCode){
     	var newStatusCode = statusCode;
     	return newStatusCode;
     },
 
+    //替换服务器响应的http头
     //replace the httpHeader before it's sent to the user
     //Here header == res.headers
     replaceResponseHeader: function(req,res,header){
@@ -53,6 +92,7 @@ module.exports = {
     	return newHeader;
     },
 
+    //替换服务器响应的数据
     //replace the response from the server before it's sent to the user
     //you may return either a Buffer or a string
     //serverResData is a Buffer, you may get its content by calling serverResData.toString()
@@ -60,12 +100,23 @@ module.exports = {
         return serverResData;
     },
 
+    //在请求返回给用户前的延迟时间
     //add a pause before sending response to user
     pauseBeforeSendingResponse : function(req,res){
     	var timeInMS = 1; //delay all requests for 1ms
     	return timeInMS; 
     },
 
+
+
+
+
+
+    //=======================
+    //https config
+    //=======================
+
+    //是否截获https请求
     //should intercept https request, or it will be forwarded to real server
     shouldInterceptHttpsReq :function(req){
         return false;