add tool。

Server/main.cpp

@@ -1,19 +1,57 @@
 #include "Application.h"
+#include "Configuration.h"
 #include "Core/Logger.h"
 #include "Core/Singleton.h"
 #include <boost/asio/signal_set.hpp>
+#include <boost/program_options/options_description.hpp>
+#include <boost/program_options/parsers.hpp>
+#include <boost/program_options/variables_map.hpp>
 
 int main(int argc, char const *argv[]) {
     using namespace Core;
     using namespace Older;
+
+    boost::program_options::options_description description("Allowed options");
+    // clang-format off
+    description.add_options()
+            ("help,h", "produce help message.")
+            ("version,v", "print app version.")
+            ("exit,e", "signal program to exit.")
+            ("prefix", boost::program_options::value<std::string>(),"set prefix path (default: ${pwd})");
+    // clang-format on
+    boost::program_options::variables_map values;
+
     boost::log::initialize("logs/Older");
-    auto application = Singleton<Application>::construct();
 
-    boost::asio::signal_set signals(application->ioContext(), SIGINT, SIGTERM, SIGHUP);
-    signals.async_wait([&application](boost::system::error_code const &, int signal) {
-        LOG(info) << "capture " << (signal == SIGINT ? "SIGINT" : "SIGTERM") << ",stop!";
-        application->exit(5);
-    });
+    try {
+        boost::program_options::store(boost::program_options::parse_command_line(argc, argv, description), values);
+        boost::program_options::notify(values);
 
-    return application->exec();
+        if (values.count("help")) {
+            std::cout << description << std::endl;
+            std::exit(0);
+        } else if (values.count("version")) {
+            std::cout << "version: " << APP_VERSION << std::endl;
+            std::cout << "commit: " << GIT_COMMIT_ID << std::endl;
+            std::cout << "compiled on: " << __DATE__ << " " << __TIME__ << std::endl;
+            std::exit(0);
+        } else if (values.count("exit")) {
+            // Application::requetExit();
+            std::exit(0);
+        }
+        LOG(info) << "version: " << APP_VERSION << std::endl;
+        LOG(info) << "commit: " << GIT_COMMIT_ID << std::endl;
+        LOG(info) << "compiled on: " << __DATE__ << " " << __TIME__ << std::endl;
+        auto application = Singleton<Application>::construct();
+
+        boost::asio::signal_set signals(application->ioContext(), SIGINT, SIGTERM, SIGHUP);
+        signals.async_wait([&application](boost::system::error_code const &, int signal) {
+            LOG(info) << "capture " << (signal == SIGINT ? "SIGINT" : "SIGTERM") << ",stop!";
+            application->exit(5);
+        });
+        return application->exec();
+    } catch (const std::exception &e) {
+        LOG(error) << e.what();
+        return -1;
+    }
 }