Use boost::program_options to parse arguments passed to batajelo_game_server

src/main/batajelo_game_server.cpp

@@ -2,26 +2,67 @@
 #include <logging/logging.hpp>
 #include <network/server.hpp>
 #include <game/remote_game_client.hpp>
-#include <network/remote_client.hpp>
 #include <game/game_server.hpp>
 #include <utils/time.hpp>
 #include <iostream>
 
-int main()
+#include <boost/program_options.hpp>
+
+int main(int ac, char** av)
 {
+
+  short port;
+  std::string conf_filename;
+  std::string ipc_path;
+  boost::program_options::variables_map vm;
+
+  boost::program_options::options_description desc("Allowed options");
+  desc.add_options()
+    ("help,h",
+     "Display this help message")
+
+    ("port,p", boost::program_options::value<short>(&port)->default_value(7879),
+     "The port to bind")
+
+    ("ipc,i", boost::program_options::value<std::string>(&ipc_path),
+     "If a path is provided, will connect to that message queue and use it to communicate"
+     "with some parent process.")
+
+    ("config,c", boost::program_options::value<std::string>(&conf_filename)->default_value("./batajelo.conf"),
+     "The filename of the configuration to use");
+
+  try
+    {
+      boost::program_options::store(boost::program_options::command_line_parser(ac, av).
+                                    options(desc).run(), vm);
+      boost::program_options::notify(vm);
+    }
+  catch (std::exception& e)
+    {
+      std::cout << e.what() << std::endl;
+      return 1;
+    }
+  if (vm.count("help"))
+    {
+      std::cout << desc;
+      return 0;
+    }
+
   std::ios_base::sync_with_stdio(false);
   if (!Config::read_conf("./batajelo.conf"))
     return 1;
-  log_debug("Starting server");
+
+  log_debug("Starting game server. Port: " << port << " and config file: " << conf_filename
+            << " and ipc path [" << ipc_path << "]");
 
   srand(getpid());
-  GameServer s(7879);
+  GameServer s(port, ipc_path);
   s.start();
 
   utils::Time last_update = utils::now();
   std::chrono::steady_clock::duration dt{0};
 
-  while (s.is_started())
+  while (true)
     {
       auto now = utils::now();
       dt += now - last_update;