for #319, raw api support update srs log tank, level and file.

@@ -951,38 +951,23 @@ int SrsConfig::reload_conf(SrsConfig* conf)
     
     // merge config: srs_log_tank
     if (!srs_directive_equals(root->get("srs_log_tank"), old_root->get("srs_log_tank"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_log_tank()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload srs_log_tank failed. ret=%d", ret);
-                return ret;
-            }
+        if ((ret = do_reload_srs_log_tank()) != ERROR_SUCCESS) {
+            return ret;
         }
-        srs_trace("reload srs_log_tank success.");
     }
     
     // merge config: srs_log_level
     if (!srs_directive_equals(root->get("srs_log_level"), old_root->get("srs_log_level"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_log_level()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload srs_log_level failed. ret=%d", ret);
-                return ret;
-            }
+        if ((ret = do_reload_srs_log_level()) != ERROR_SUCCESS) {
+            return ret;
         }
-        srs_trace("reload srs_log_level success.");
     }
     
     // merge config: srs_log_file
     if (!srs_directive_equals(root->get("srs_log_file"), old_root->get("srs_log_file"))) {
-        for (it = subscribes.begin(); it != subscribes.end(); ++it) {
-            ISrsReloadHandler* subscribe = *it;
-            if ((ret = subscribe->on_reload_log_file()) != ERROR_SUCCESS) {
-                srs_error("notify subscribes reload srs_log_file failed. ret=%d", ret);
-                return ret;
-            }
+        if ((ret = do_reload_srs_log_file()) != ERROR_SUCCESS) {
+            return ret;
         }
-        srs_trace("reload srs_log_file success.");
     }
     
     // merge config: pithy_print_ms
@@ -2316,6 +2301,81 @@ int SrsConfig::raw_set_ff_log_dir(string ff_log_dir, bool& applied)
     return ret;
 }
 
+int SrsConfig::raw_set_srs_log_tank(string srs_log_tank, bool& applied)
+{
+    int ret = ERROR_SUCCESS;
+    
+    applied = false;
+    
+    
+    SrsConfDirective* conf = root->get_or_create("srs_log_tank");
+    
+    if (conf->arg0() == srs_log_tank) {
+        return ret;
+    }
+    
+    conf->args.clear();
+    conf->args.push_back(srs_log_tank);
+    
+    if ((ret = do_reload_srs_log_tank()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    applied = true;
+    
+    return ret;
+}
+
+int SrsConfig::raw_set_srs_log_level(string srs_log_level, bool& applied)
+{
+    int ret = ERROR_SUCCESS;
+    
+    applied = false;
+    
+    
+    SrsConfDirective* conf = root->get_or_create("srs_log_level");
+    
+    if (conf->arg0() == srs_log_level) {
+        return ret;
+    }
+    
+    conf->args.clear();
+    conf->args.push_back(srs_log_level);
+    
+    if ((ret = do_reload_srs_log_level()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    applied = true;
+    
+    return ret;
+}
+
+int SrsConfig::raw_set_srs_log_file(string srs_log_file, bool& applied)
+{
+    int ret = ERROR_SUCCESS;
+    
+    applied = false;
+    
+    
+    SrsConfDirective* conf = root->get_or_create("srs_log_file");
+    
+    if (conf->arg0() == srs_log_file) {
+        return ret;
+    }
+    
+    conf->args.clear();
+    conf->args.push_back(srs_log_file);
+    
+    if ((ret = do_reload_srs_log_file()) != ERROR_SUCCESS) {
+        return ret;
+    }
+    
+    applied = true;
+    
+    return ret;
+}
+
 int SrsConfig::do_reload_listen()
 {
     int ret = ERROR_SUCCESS;
@@ -2350,6 +2410,57 @@ int SrsConfig::do_reload_pid()
     return ret;
 }
 
+int SrsConfig::do_reload_srs_log_tank()
+{
+    int ret = ERROR_SUCCESS;
+    
+    vector<ISrsReloadHandler*>::iterator it;
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_log_tank()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload srs_log_tank failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload srs_log_tank success.");
+    
+    return ret;
+}
+
+int SrsConfig::do_reload_srs_log_level()
+{
+    int ret = ERROR_SUCCESS;
+    
+    vector<ISrsReloadHandler*>::iterator it;
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_log_level()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload srs_log_level failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload srs_log_level success.");
+    
+    return ret;
+}
+
+int SrsConfig::do_reload_srs_log_file()
+{
+    int ret = ERROR_SUCCESS;
+    
+    vector<ISrsReloadHandler*>::iterator it;
+    for (it = subscribes.begin(); it != subscribes.end(); ++it) {
+        ISrsReloadHandler* subscribe = *it;
+        if ((ret = subscribe->on_reload_log_file()) != ERROR_SUCCESS) {
+            srs_error("notify subscribes reload srs_log_file failed. ret=%d", ret);
+            return ret;
+        }
+    }
+    srs_trace("reload srs_log_file success.");
+    
+    return ret;
+}
+
 string SrsConfig::config()
 {
     return config_file;

@@ -349,9 +349,24 @@ public:
      * raw set the global ffmpeg log dir.
      */
     virtual int raw_set_ff_log_dir(std::string ff_log_dir, bool& applied);
+    /**
+     * raw set the global log tank.
+     */
+    virtual int raw_set_srs_log_tank(std::string srs_log_tank, bool& applied);
+    /**
+     * raw set the global log level.
+     */
+    virtual int raw_set_srs_log_level(std::string srs_log_level, bool& applied);
+    /**
+     * raw set the global log file path for file tank.
+     */
+    virtual int raw_set_srs_log_file(std::string srs_log_file, bool& applied);
 private:
     virtual int do_reload_listen();
     virtual int do_reload_pid();
+    virtual int do_reload_srs_log_tank();
+    virtual int do_reload_srs_log_level();
+    virtual int do_reload_srs_log_file();
 public:
     /**
      * get the config file path.

@@ -989,6 +989,10 @@ int SrsGoApiRaw::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
     //      listen                  1935,1936                   the port list.
     //      pid                     ./objs/srs.pid              the pid file of srs.
     //      chunk_size              60000                       the global RTMP chunk_size.
+    //      ff_log_dir              ./objs                      the dir for ffmpeg log.
+    //      srs_log_tank            file                        the tank to log, file or console.
+    //      srs_log_level           trace                       the level of log, verbose, info, trace, warn, error.
+    //      srs_log_file            ./objs/srs.log              the log file when tank is file.
     if (rpc == "update") {
         if (!allow_update) {
             ret = ERROR_SYSTEM_CONFIG_RAW_DISABLED;
@@ -1004,7 +1008,8 @@ int SrsGoApiRaw::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
             return srs_api_response_code(w, r, ret);
         }
         if (scope != "listen" && scope != "pid" && scope != "chunk_size"
-            && scope != "ff_log_dir"
+            && scope != "ff_log_dir" && scope != "srs_log_tank" && scope != "srs_log_level"
+            && scope != "srs_log_file"
         ) {
             ret = ERROR_SYSTEM_CONFIG_RAW_NOT_ALLOWED;
             srs_error("raw api query invalid scope=%s. ret=%d", scope.c_str(), ret);
@@ -1068,6 +1073,39 @@ int SrsGoApiRaw::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
                 srs_error("raw api update ff_log_dir=%s failed. ret=%d", value.c_str(), ret);
                 return srs_api_response_code(w, r, ret);
             }
+        } else if (scope == "srs_log_tank") {
+            if (value.empty() || (value != "file" && value != "console")) {
+                ret = ERROR_SYSTEM_CONFIG_RAW_PARAMS;
+                srs_error("raw api update check srs_log_tank=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+            
+            if ((ret = _srs_config->raw_set_srs_log_tank(value, applied)) != ERROR_SUCCESS) {
+                srs_error("raw api update srs_log_tank=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+        } else if (scope == "srs_log_level") {
+            if (value != "verbose" && value != "info" && value != "trace" && value != "warn" && value != "error") {
+                ret = ERROR_SYSTEM_CONFIG_RAW_PARAMS;
+                srs_error("raw api update check srs_log_level=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+            
+            if ((ret = _srs_config->raw_set_srs_log_level(value, applied)) != ERROR_SUCCESS) {
+                srs_error("raw api update srs_log_level=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+        } else if (scope == "srs_log_file") {
+            if (value.empty() || !srs_string_starts_with(value, "./", "/tmp/", "/var/") || !srs_string_ends_with(value, ".log")) {
+                ret = ERROR_SYSTEM_CONFIG_RAW_PARAMS;
+                srs_error("raw api update check srs_log_file=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
+            
+            if ((ret = _srs_config->raw_set_srs_log_file(value, applied)) != ERROR_SUCCESS) {
+                srs_error("raw api update srs_log_file=%s failed. ret=%d", value.c_str(), ret);
+                return srs_api_response_code(w, r, ret);
+            }
         }
         
         // whether the config applied.