refine log, log important to file. 1.0.210

@@ -1086,6 +1086,11 @@ int SrsConfig::parse_options(int argc, char** argv)
     return ret;
 }
 
+string SrsConfig::config()
+{
+    return config_file;
+}
+
 int SrsConfig::parse_argv(int& i, char** argv)
 {
     int ret = ERROR_SUCCESS;
@@ -1564,9 +1569,6 @@ int SrsConfig::check_config()
         }
     }
     
-    // show important args.
-    srs_trace("conf: %s, limit: %d", config_file.c_str(), get_max_connections());
-    
     ////////////////////////////////////////////////////////////////////////
     // check features
     ////////////////////////////////////////////////////////////////////////

@@ -323,6 +323,10 @@ public:
     * parse the cli, the main(argc,argv) function.
     */
     virtual int parse_options(int argc, char** argv);
+    /**
+    * get the config file path.
+    */
+    virtual std::string config();
 private:
     /**
     * parse each argv.

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR "0"
 #define VERSION_MINOR "9"
-#define VERSION_REVISION "209"
+#define VERSION_REVISION "210"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"

@@ -100,6 +100,7 @@ int main(int argc, char** argv)
 #ifdef SRS_AUTO_ARM_UBUNTU12
     srs_trace("arm tool chain: "SRS_AUTO_EMBEDED_TOOL_CHAIN);
 #endif
+    srs_trace("conf: %s, limit: %d", _srs_config->config().c_str(), _srs_config->get_max_connections());
     
     /**
     * we do nothing in the constructor of server,