mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
synced 2024-04-28 01:12:33 +12:00
03416d24e1
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
204 lines
9.3 KiB
C++
204 lines
9.3 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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/* $Header: /CounterStrike/IPXCONN.H 1 3/03/97 10:24a Joe_bostic $ */
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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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* File Name : IPXCONN.H *
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* *
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* Programmer : Bill Randolph *
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* *
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* Start Date : December 19, 1994 *
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* *
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* Last Update : April 9, 1995 [BR] *
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* *
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*-------------------------------------------------------------------------*
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* *
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* This is the Connection Class for IPX communications. It inherits *
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* a Queue, PacketBuf, timeout variables from ConnectionClass. It *
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* inherits its Send_/Receive_/Get_Packet functions, and the sequenced *
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* ACK/Retry logic in Service_Send_Queue & Service_Receive_Queue from *
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* SequencedConnClass. It guarantees order of delivery of packets. *
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* *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef IPXCONN_H
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#define IPXCONN_H
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/*
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********************************* Includes **********************************
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*/
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#include "connect.h"
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#include "ipxaddr.h"
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/*
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***************************** Class Declaration *****************************
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*/
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class IPXConnClass : public ConnectionClass
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{
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/*
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---------------------------- Public Interface ----------------------------
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*/
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public:
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/*.....................................................................
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Various useful enums:
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.....................................................................*/
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enum IPXConnTag {
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CONN_NAME_MAX = 40 // max # chars allowed for connection name
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};
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/*.....................................................................
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Constructor/destructor.
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.....................................................................*/
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IPXConnClass(int numsend, int numrecieve, int maxlen,
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unsigned short magicnum, IPXAddressClass *address, int id, char *name,
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int extralen = 0);
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virtual ~IPXConnClass () {};
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/*.....................................................................
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Initialization.
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.....................................................................*/
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virtual void Init (void);
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/*.....................................................................
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The Configure function is for configuring all connections at once.
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It's static because it doesn't apply to any specific connection, but
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all of them.
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.....................................................................*/
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static void Configure(unsigned short socket,
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int conn_num, ECBType *listen_ecb, ECBType *send_ecb,
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IPXHeaderType *listen_header, IPXHeaderType *send_header,
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char *listen_buf, char *send_buf, long handler_rm_ptr,
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int maxpacketlen);
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/*.....................................................................
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These routines tell IPX to start listening for packets, and to stop
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listening for packets. They're static because they affect all
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connections at once (there's no way to turn listening on for only one
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connection; it's all or nothing).
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.....................................................................*/
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static int Start_Listening (void);
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static int Stop_Listening (void);
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/*.....................................................................
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The Destination IPX Address for this connection
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.....................................................................*/
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IPXAddressClass Address;
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/*.....................................................................
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The "Immediate" (Bridge) address for this connection, and a flag
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telling if the address has been precomputed.
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.....................................................................*/
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NetNodeType ImmediateAddress;
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int Immed_Set;
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/*.....................................................................
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Each IPX Connection can have a Name & Unique numerical ID
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.....................................................................*/
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int ID;
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char Name[CONN_NAME_MAX];
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/*
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-------------------------- Protected Interface ---------------------------
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*/
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protected:
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/*.....................................................................
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This is the overloaded Send routine declared in ConnectionClass, and
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used in SequencedConnClass.
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.....................................................................*/
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virtual int Send (char *buf, int buflen, void *extrabuf, int extralen);
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/*.....................................................................
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These are the routines that access IPX. Open_Socket & Close_Socket are
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static because they're called by Start_Listening & Stop_Listening.
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Send_To & Broadcast are static since they're direct interfaces to IPX,
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and there's only one IPX instance running.
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.....................................................................*/
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static int Open_Socket(unsigned short socket);
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static void Close_Socket(unsigned short socket);
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static int Send_To(char *buf, int buflen, IPXAddressClass *address,
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NetNodeType immed);
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static int Broadcast(char *buf, int buflen);
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/*.....................................................................
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The socket ID for this connection
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.....................................................................*/
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static unsigned short Socket;
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/*.....................................................................
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User's local Connection # (0 = not logged in)
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.....................................................................*/
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static int ConnectionNum;
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/*.....................................................................
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This is a static version of MaxPacketLen, which is the size of the
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app's packets, plus our internal CommHeaderType. It's used in the
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Start_Listening routine.
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.....................................................................*/
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static int PacketLen;
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/*.....................................................................
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Variables for Listening (created by the IPXManagerClass, and passed
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in via Init). All IPX connections share these buffers.
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.....................................................................*/
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static ECBType *ListenECB;
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static IPXHeaderType *ListenHeader;
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static char *ListenBuf;
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/*.....................................................................
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Variables for Sending (created by the IPXManagerClass, and passed
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in via Init). All IPX connections share these buffers.
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.....................................................................*/
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static ECBType *SendECB;
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static IPXHeaderType *SendHeader;
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static char *SendBuf;
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/*.....................................................................
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This is a REAL-MODE pointer to the event-service-routine for IPX.
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If it's 0, IPX will operate in polled mode. Otherwise, the high word
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must contain the segment, and the low word must contain the offset.
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CS will be the high word value when the routine is called. (Requiring
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the segment/offset to be computed by the caller gives the caller
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control over CS.)
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.....................................................................*/
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static long Handler;
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/*.....................................................................
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This status flag tells us if Configure() has been called or not.
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.....................................................................*/
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static int Configured;
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/*.....................................................................
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This status flag tells us if the socket has been opened or not.
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.....................................................................*/
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static int SocketOpen;
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/*.....................................................................
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This status flag tells us if Start_Listening() has been called or not.
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.....................................................................*/
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static int Listening;
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};
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#endif
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/*************************** end of ipxconn.h ******************************/
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