优化解析复杂数据结构配置项时的性能

src/Common/config.h

@@ -108,26 +108,44 @@ extern const string kBroadcastReloadConfig;
 #define ReloadConfigTag  ((void *)(0xFF))
 #define RELOAD_KEY(arg,key)                              \
     do {                                                 \
-        decltype(arg) arg##tmp = mINI::Instance()[key]; \
+        decltype(arg) arg##_tmp = mINI::Instance()[key]; \
-        if(arg != arg##tmp ) { \
+        if (arg == arg##_tmp) {                          \
-            arg = arg##tmp; \
+            return;                                      \
-            InfoL << "reload config:" << key << "=" <<  arg; \
         }                                                \
-    }while(0);
+        arg = arg##_tmp;                                 \
+        InfoL << "reload config:" << key << "=" <<  arg; \
+    } while(0)
 
 //监听某个配置发送变更
-#define LISTEN_RELOAD_KEY(arg,key) \
+#define LISTEN_RELOAD_KEY(arg, key, ...)                                          \
     do {                                                                          \
-        static onceToken s_token([](){ \
+        static onceToken s_token_listen([](){                                     \
-            NoticeCenter::Instance().addListener(ReloadConfigTag,Broadcast::kBroadcastReloadConfig,[](BroadcastReloadConfigArgs){ \
+            NoticeCenter::Instance().addListener(ReloadConfigTag,                 \
-                RELOAD_KEY(arg,key); \
+                Broadcast::kBroadcastReloadConfig,[](BroadcastReloadConfigArgs) { \
+                __VA_ARGS__;                                                      \
             });                                                                   \
         });                                                                       \
-    }while(0);
+    } while(0)
 
 #define GET_CONFIG(type, arg, key)           \
     static type arg = mINI::Instance()[key]; \
-        LISTEN_RELOAD_KEY(arg,key);
+    LISTEN_RELOAD_KEY(arg, key, {            \
+        RELOAD_KEY(arg, key);                \
+    });
+
+#define GET_CONFIG_FUNC(type, arg, key, ...)               \
+    static type arg;                                       \
+    do {                                                   \
+        static onceToken s_token_set([](){                 \
+            static auto lam = __VA_ARGS__ ;                \
+            static auto arg##_str = mINI::Instance()[key]; \
+            arg = lam(arg##_str);                          \
+            LISTEN_RELOAD_KEY(arg, key, {                  \
+                RELOAD_KEY(arg##_str, key);                \
+                arg = lam(arg##_str);                      \
+            });                                            \
+        });                                                \
+    } while(0)
 
 } //namespace Broadcast
 

src/Http/HttpFileManager.cpp

@@ -135,9 +135,10 @@ static bool makeFolderMenu(const string &httpPath, const string &strFullPath, st
     }
     //如果是root目录，添加虚拟目录
     if (httpPath == "/") {
-        GET_CONFIG(string, virtualPath, Http::kVirtualPath);
+        GET_CONFIG_FUNC(StrCaseMap, virtualPathMap, Http::kVirtualPath, [](const string &str) {
-        StrCaseMap args = Parser::parseArgs(virtualPath, ";", ",");
+            return Parser::parseArgs(str, ";", ",");
-        for (auto &pr : args) {
+        });
+        for (auto &pr : virtualPathMap) {
             file_map.emplace(pr.first, std::make_pair(string("虚拟目录:") + pr.first, File::absolutePath("", pr.second)));
         }
     }
@@ -472,18 +473,21 @@ static void accessFile(TcpSession &sender, const Parser &parser, const MediaInfo
 
 static string getFilePath(const Parser &parser,const MediaInfo &mediaInfo, TcpSession &sender){
     GET_CONFIG(bool, enableVhost, General::kEnableVhost);
-    GET_CONFIG(string, virtualPath, Http::kVirtualPath);
-    StrCaseMap args = Parser::parseArgs(virtualPath, ";", ",");
-    auto path = args[mediaInfo._app];
-    string url;
-    if (path.empty()) {
-        //访问的是根路径
     GET_CONFIG(string, rootPath, Http::kRootPath);
+    GET_CONFIG_FUNC(StrCaseMap, virtualPathMap, Http::kVirtualPath, [](const string &str) {
+        return Parser::parseArgs(str, ";", ",");
+    });
+
+    string url, path;
+    auto it = virtualPathMap.find(mediaInfo._app);
+    if (it != virtualPathMap.end()) {
+        //访问的是virtualPath
+        path = it->second;
+        url = parser.Url().substr(1 + mediaInfo._app.size());
+    } else {
+        //访问的是rootPath
         path = rootPath;
         url = parser.Url();
-    } else {
-        //访问的是虚拟路径
-        url = parser.Url().substr(1 + mediaInfo._app.size());
     }
     auto ret = File::absolutePath(enableVhost ? mediaInfo._vhost + url : url, path);
     NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastHttpBeforeAccess, parser, ret, static_cast<SockInfo &>(sender));

src/Rtsp/RtpMultiCaster.cpp

@@ -45,10 +45,12 @@ static uint32_t addressToInt(const string &ip){
 
 std::shared_ptr<uint32_t> MultiCastAddressMaker::obtain(uint32_t max_try) {
     lock_guard<recursive_mutex> lck(_mtx);
-    GET_CONFIG(string, addrMinStr, MultiCast::kAddrMin);
+    GET_CONFIG_FUNC(uint32_t, addrMin, MultiCast::kAddrMin, [](const string &str) {
-    GET_CONFIG(string, addrMaxStr, MultiCast::kAddrMax);
+        return addressToInt(str);
-    uint32_t addrMin = addressToInt(addrMinStr);
+    });
-    uint32_t addrMax = addressToInt(addrMaxStr);
+    GET_CONFIG_FUNC(uint32_t, addrMax, MultiCast::kAddrMax, [](const string &str) {
+        return addressToInt(str);
+    });
 
     if (_addr > addrMax || _addr == 0) {
         _addr = addrMin;