handmade/include/Server.h

#pragma once

#include <string>
#include <vector>

#include "lib_lua_common.h"
#include "UDPbase.h"

/*
 * Used as mFetchPacketsCallbackTimerID timeout
 */
#define DEFAULT_SOCKET_TIMEOUT 10

class Server : public UDPbase
{
	SDL_mutex* mProcessPacketMutex;
	SDL_TimerID mFetchPacketsCallbackTimerID;

	SDLNet_SocketSet SocketSet;
	UDPpacket** packetV;
	lua_State *mLuaState;

	public:
		Server (const char* host, const Uint16 port);
		~Server (void);

		/*
		 * error: invalid use of non-static member function Uint32 Server::FetchPacketsCallback(Uint32, void*)
		 * Don't understand this.
		 * static keyword fixes it.
		 */
		static Uint32 FetchPacketsCallback (Uint32 interval, void* param);

		void ProcessPacketHelper (UDPpacket* packet);

		void RunLua (const std::string& buf);

		int AllocateApproximateResources (const int nclients);

		int Start (void);
		int Stop (void);
		int Lock (void)
		{
			return SDL_LockMutex (mProcessPacketMutex);
		}
		int Unlock (void)
		{
			return SDL_UnlockMutex (mProcessPacketMutex);
		}

		lua_State* getLuaState(void) { return mLuaState; }
		UDPsocket getUDPsock (size_t idx) { return m_socks.at (idx); }
		UDPpacket** getPacketV (void) { return packetV; }
		SDLNet_SocketSet getSocketSet (void) { return SocketSet; }
};