rewrite MccGenericMount and MccGenericFsmMount class creation

Asibfm700MountNetServer is now started

asibfm700/asibfm700_netserver_main.cpp

@@ -27,6 +27,12 @@ int main(int argc, char* argv[])
     options.add_options()("level", "Log level (see SPDLOG package description for valid values)",
                           cxxopts::value<std::string>()->default_value("info"));
 
+    options.add_options()("c,config", "Mount configuration filename (by default use of hardcoded one)",
+                          cxxopts::value<std::string>()->default_value(""));
+
+    options.add_options()("dump", "Dump mount default configuration to file and exit",
+                          cxxopts::value<std::string>()->default_value(""));
+
     options.add_options()(
         "endpoints",
         "endpoints server will be listening for. For 'local' endpoint the '@' symbol at the beginning of the path "
@@ -54,6 +60,19 @@ int main(int argc, char* argv[])
             return 0;
         }
 
+        asibfm700::Asibfm700MountConfig mount_cfg;
+
+        std::string fname = opt_result["dump"].as<std::string>();
+        if (fname.size()) {
+            bool ok = mount_cfg.dumpDefaultsToFile(fname);
+            if (!ok) {
+                return 255;
+            }
+
+            return 0;
+        } else {
+            return 255;
+        }
 
         auto logname = opt_result["log"].as<std::string>();
 
@@ -91,7 +110,18 @@ int main(int argc, char* argv[])
         logger->info("\n");
 
 
-        asibfm700::Asibfm700MountConfig mount_cfg;
+
+        std::string mount_cfg_fname = opt_result["config"].as<std::string>();
+        if (mount_cfg_fname.size()) {
+            logger->info("Try to load mount configuration from file: {}", mount_cfg_fname);
+            auto err = mount_cfg.load(mount_cfg_fname);
+            if (err) {
+                logger->error("Cannot load mount configuration (err = {})! Use defaults!", err.message());
+            } else {
+                logger->info("Mount configuration was loaded successfully!");
+            }
+        }
+
         asibfm700::Asibfm700Mount mount(mount_cfg, logger);
         asibfm700::Asibfm700MountNetServer server(ctx, mount, logger);