190 lines
6.2 KiB
C++
190 lines
6.2 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* $Archive:: /Sun/WSProto.h $*
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* *
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* $Author:: Joe_b $*
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* *
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* $Modtime:: 8/12/97 5:42p $*
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* *
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* $Revision:: 4 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef WSPROTO_H
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#define WSPROTO_H
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#include "_WSProto.h"
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/*
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** Include standard Winsock 1.0 header file.
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*/
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#include <winsock.h>
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/*
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** Misc defines
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*/
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#define WINSOCK_MINOR_VER 1 // Version of Winsock
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#define WINSOCK_MAJOR_VER 1 // that we require
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//#define WS_RECEIVE_BUFFER_LEN 32768 // Length of our temporary receive buffer. Needs to be more that the max packet size which is about 550 bytes.
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//#define SOCKET_BUFFER_SIZE 32768 // Length of winsocks internal buffer.
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#define WS_RECEIVE_BUFFER_LEN 1024 // Length of our temporary receive buffer.
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#define SOCKET_BUFFER_SIZE 1024*128 // Length of winsocks internal buffer.
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#define PLANET_WESTWOOD_HANDLE_MAX 20 // Max length of a WChat handle
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/*
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** Define events for Winsock callbacks
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*/
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#define WM_IPXASYNCEVENT (WM_USER + 115) // IPX socket Async event
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#define WM_UDPASYNCEVENT (WM_USER + 116) // UDP socket Async event
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/*
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** Enum to identify the protocols supported by the Winsock interface.
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*/
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typedef enum tProtocolEnum {
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PROTOCOL_NONE,
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PROTOCOL_IPX,
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PROTOCOL_UDP
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} ProtocolEnum;
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/*
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**
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** Class to interface with Winsock. This interface only supports connectionless packet protocols
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** like UDP & IPX. Connection orientated or streaming protocols like TCP are not supported by this
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** class.
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**
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*/
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class WinsockInterfaceClass {
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public:
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WinsockInterfaceClass(void);
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virtual ~WinsockInterfaceClass(void);
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bool Init(void);
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void Close(void);
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virtual void Close_Socket(void);
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virtual int Read(void *buffer, int &buffer_len, void *address, int &address_len);
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virtual void WriteTo (void *buffer, int buffer_len, void *address);
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virtual void Broadcast (void *buffer, int buffer_len);
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virtual void Discard_In_Buffers (void);
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virtual void Discard_Out_Buffers (void);
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virtual bool Start_Listening (void);
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virtual void Stop_Listening (void);
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virtual void Clear_Socket_Error(SOCKET socket);
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virtual bool Set_Socket_Options ( void );
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virtual void Set_Broadcast_Address ( void * ) {};
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virtual ProtocolEnum Get_Protocol (void) {
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return (PROTOCOL_NONE);
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};
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virtual int Protocol_Event_Message (void) {
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return (0);
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};
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virtual bool Open_Socket ( SOCKET ) {
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return (false);
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};
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virtual long Message_Handler(HWND, UINT, UINT, LONG) {
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return (1);
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}
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typedef enum ConnectStatusEnum {
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CONNECTED_OK = 0,
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NOT_CONNECTING,
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CONNECTING,
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UNABLE_TO_CONNECT_TO_SERVER,
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CONTACTING_SERVER,
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SERVER_ADDRESS_LOOKUP_FAILED,
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RESOLVING_HOST_ADDRESS,
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UNABLE_TO_ACCEPT_CLIENT,
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UNABLE_TO_CONNECT,
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CONNECTION_LOST
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} ConnectStatusEnum;
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inline ConnectStatusEnum Get_Connection_Status(void) {return (ConnectStatus);}
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protected:
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/*
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** This struct contains the information needed for each incoming and outgoing packet.
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** It acts as a temporary control for these packets.
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*/
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typedef struct tWinsockBufferType {
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unsigned char Address [64]; // Address. IN_ADDR, IPXAddressClass etc.
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int BufferLen; // Length of data in buffer
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bool IsBroadcast; // Flag to broadcast this packet
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unsigned char Buffer[1024]; // Buffer to store packet in.
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} WinsockBufferType;
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/*
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** Array of buffers to temporarily store incoming and outgoing packets.
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*/
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DynamicVectorClass <WinsockBufferType *> InBuffers;
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DynamicVectorClass <WinsockBufferType *> OutBuffers;
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/*
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** Is Winsock present and initialised?
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*/
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bool WinsockInitialised;
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/*
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** Socket that communications will take place over.
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*/
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SOCKET Socket;
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/*
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** Async object required for callbacks to our message handler.
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*/
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HANDLE ASync;
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/*
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** Temporary receive buffer to use when querying Winsock for incoming packets.
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*/
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unsigned char ReceiveBuffer[WS_RECEIVE_BUFFER_LEN];
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/*
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** Current connection status.
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*/
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ConnectStatusEnum ConnectStatus;
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};
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#endif //WSPROTO_H
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