57 void NetworkSend_Packet(Packet *packet, NetworkClientState *cs);

    58 typedef struct CommandPacket {

    58 Packet *NetworkRecv_Packet(NetworkClientState *cs, NetworkRecvStatus *status);

    59 	struct CommandPacket *next;

    59 bool NetworkSend_Packets(NetworkClientState *cs);

    60 	PlayerByte player; ///< player that is executing the command

    61 	uint32 cmd;        ///< command being executed

    62 	uint32 p1;         ///< parameter p1

    63 	uint32 p2;         ///< parameter p2

    64 	TileIndex tile;    ///< tile command being executed on

    65 	char text[80];

    66 	uint32 frame;      ///< the frame in which this packet is executed

    67 	byte callback;     ///< any callback function executed upon successful completion of the command

    68 } CommandPacket;

    69 

    70 typedef enum {

    71 	STATUS_INACTIVE,   ///< The client is not connected nor active

    72 	STATUS_AUTH,       ///< The client is authorized

    73 	STATUS_MAP_WAIT,   ///< The client is waiting as someone else is downloading the map

    74 	STATUS_MAP,        ///< The client is downloading the map

    75 	STATUS_DONE_MAP,   ///< The client has downloaded the map

    76 	STATUS_PRE_ACTIVE, ///< The client is catching up the delayed frames

    77 	STATUS_ACTIVE,     ///< The client is an active player in the game

    78 } ClientStatus;

    79 

    80 /** Base socket handler for all TCP sockets */

    81 class NetworkTCPSocketHandler : public NetworkSocketHandler {

    82 /* TODO: rewrite into a proper class */

    83 public:

    84 	uint16 index;

    85 	uint32 last_frame;

    86 	uint32 last_frame_server;

    87 	byte lag_test; // This byte is used for lag-testing the client

    88 

    89 	ClientStatus status;

    90 	bool writable; // is client ready to write to?

    91 

    92 	Packet *packet_queue; // Packets that are awaiting delivery

    93 	Packet *packet_recv; // Partially received packet

    94 

    95 	CommandPacket *command_queue; // The command-queue awaiting delivery

    96 

    97 	NetworkRecvStatus CloseConnection();

    98 	void Initialize();

    99 };

   100 

   101 

   102 

   103 void NetworkSend_Packet(Packet *packet, NetworkTCPSocketHandler *cs);

   104 Packet *NetworkRecv_Packet(NetworkTCPSocketHandler *cs, NetworkRecvStatus *status);

   105 bool NetworkSend_Packets(NetworkTCPSocketHandler *cs);