Custom Disconnect Message

Adds a m_ShutdownMessage option to the settings. When the stop command
is issued, players are kicked with said message before the server shuts
down.

src/Root.cpp

@@ -332,6 +332,22 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> a_OverridesRepo)
 
 void cRoot::StopServer()
 {
+	// Kick all players from the server with custom disconnect message
+	class cPlayerCallback : public cPlayerListCallback
+	{
+		AString m_ShutdownMessage;
+		virtual bool Item(cPlayer * a_Player)
+		{
+			a_Player->GetClientHandlePtr()->Kick(m_ShutdownMessage);
+			return false;
+		}
+	public:
+		cPlayerCallback(AString a_ShutdownMessage) : m_ShutdownMessage(a_ShutdownMessage) {}
+	}PlayerCallback((m_Server->GetShutdownMessage()));
+
+	cRoot::Get()->ForEachPlayer(PlayerCallback);
+	// What's a better way to do this?
+	std::this_thread::sleep_for(std::chrono::seconds(1));
 	m_TerminateEventRaised = true;
 	m_StopEvent.Set();
 	m_InputThreadRunFlag.clear();

src/Server.cpp

@@ -190,6 +190,7 @@ void cServer::PlayerDestroying(const cPlayer * a_Player)
 bool cServer::InitServer(cSettingsRepositoryInterface & a_Settings, bool a_ShouldAuth)
 {
 	m_Description = a_Settings.GetValueSet("Server", "Description", "Cuberite - in C++!");
+	m_ShutdownMessage = a_Settings.GetValueSet("Server", "ShutdownMessage", "Server shutdown");
 	m_MaxPlayers  = a_Settings.GetValueSetI("Server", "MaxPlayers", 100);
 	m_bIsHardcore = a_Settings.GetValueSetB("Server", "HardcoreEnabled", false);
 	m_bAllowMultiLogin = a_Settings.GetValueSetB("Server", "AllowMultiLogin", false);

src/Server.h

@@ -64,6 +64,8 @@ public:
 
 	const AString & GetDescription(void) const {return m_Description; }
 
+	const AString & GetShutdownMessage(void) const { return m_ShutdownMessage; }
+
 	// Player counts:
 	int  GetMaxPlayers(void) const { return m_MaxPlayers; }
 	int  GetNumPlayers(void) const;
@@ -204,6 +206,7 @@ private:
 	cRCONServer m_RCONServer;
 
 	AString m_Description;
+	AString m_ShutdownMessage;
 	AString m_FaviconData;
 	int m_MaxPlayers;
 	bool m_bIsHardcore;