507 lines
24 KiB
C++
507 lines
24 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/IPXADDR.CPP 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 : IPXADDR.CPP *
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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 : December 19, 1994 [BR] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* IPXAddressClass::IPXAddressClass -- class constructor *
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* IPXAddressClass::IPXAddressClass -- class constructor form 2 *
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* IPXAddressClass::IPXAddressClass -- class constructor form 3 *
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* IPXAddressClass::Set_Address -- sets the IPX address values *
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* IPXAddressClass::Set_Address -- sets the IPX values from a header *
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* IPXAddressClass::Get_Address -- retrieves the IPX address values *
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* IPXAddressClass::Get_Address -- copies address into an IPX header *
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* IPXAddressClass::Is_Broadcast -- tells if this is a broadcast address *
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* IPXAddressClass::operator== -- overloaded comparison operator *
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* IPXAddressClass::operator!= -- overloaded comparison operator *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "function.h"
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#include <stdio.h>
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//#include <mem.h>
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#include "ipxaddr.h"
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#ifdef WINSOCK_IPX
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#include "WSProto.h"
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#endif //WINSOCK_IPX
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/***************************************************************************
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* IPXAddressClass::IPXAddressClass -- class constructor *
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* *
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* This default constructor generates a broadcast address. *
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* *
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* INPUT: *
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* net Network Number for this address *
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* node Node Address for this address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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IPXAddressClass::IPXAddressClass(void)
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{
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NetworkNumber[0] = 0xff;
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NetworkNumber[1] = 0xff;
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NetworkNumber[2] = 0xff;
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NetworkNumber[3] = 0xff;
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NodeAddress[0] = 0xff;
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NodeAddress[1] = 0xff;
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NodeAddress[2] = 0xff;
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NodeAddress[3] = 0xff;
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NodeAddress[4] = 0xff;
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NodeAddress[5] = 0xff;
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} /* end of IPXAddressClass */
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/***************************************************************************
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* IPXAddressClass::IPXAddressClass -- class constructor form 2 *
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* *
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* INPUT: *
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* net Network Number for this address *
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* node Node Address for this address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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IPXAddressClass::IPXAddressClass(NetNumType net, NetNodeType node)
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{
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memcpy(NetworkNumber, net, 4);
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memcpy(NodeAddress, node, 6);
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} /* end of IPXAddressClass */
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/***************************************************************************
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* IPXAddressClass::IPXAddressClass -- class constructor form 3 *
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* *
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* This form of the constructor takes an IPX header as an argument. It *
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* extracts the address from the Source address fields in the header. *
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* *
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* INPUT: *
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* header Header from which to extract the address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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IPXAddressClass::IPXAddressClass(IPXHeaderType *header)
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{
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memcpy(NetworkNumber,header->SourceNetworkNumber,4);
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memcpy(NodeAddress,header->SourceNetworkNode,6);
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} /* end of IPXAddressClass */
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/***************************************************************************
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* IPXAddressClass::Set_Address -- sets the IPX address values *
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* *
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* INPUT: *
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* net Network Number for this address *
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* node Node Address for this address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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void IPXAddressClass::Set_Address(NetNumType net, NetNodeType node)
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{
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memcpy(NetworkNumber,net,4);
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memcpy(NodeAddress,node,6);
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} /* end of Set_Address */
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/***************************************************************************
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* IPXAddressClass::Set_Address -- sets the IPX values from a header *
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* *
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* This routine extracts the source addresses from the given IPX header. *
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* *
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* INPUT: *
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* net Network Number for this address *
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* node Node Address for this address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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void IPXAddressClass::Set_Address(IPXHeaderType *header)
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{
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#ifdef WINSOCK_IPX
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ProtocolEnum protocol = PROTOCOL_IPX;
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if ( PacketTransport ) protocol = PacketTransport->Get_Protocol();
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switch ( protocol ) {
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case PROTOCOL_IPX:
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memcpy(NetworkNumber,header->SourceNetworkNumber,4);
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memcpy(NodeAddress,header->SourceNetworkNode,6);
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break;
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case PROTOCOL_UDP:
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unsigned char *addr = (unsigned char*) header;
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memset (NodeAddress, 0, 6);
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memcpy (NodeAddress, addr, 4);
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memset (NetworkNumber, 0, 4);
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break;
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}
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#else //WINSOCK_IPX
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if (header) {
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memcpy(NetworkNumber,header->SourceNetworkNumber,4);
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memcpy(NodeAddress,header->SourceNetworkNode,6);
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} else {
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/*
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** Address is meaningless when using winsock
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*/
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memset(NetworkNumber, 1 ,4);
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memset(NodeAddress, 1, 6);
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}
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#endif //WINSOCK_IPX
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} /* end of Set_Address */
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/***************************************************************************
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* IPXAddressClass::Get_Address -- retrieves the IPX address values *
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* *
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* INPUT: *
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* net Network Number for this address *
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* node Node Address for this address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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void IPXAddressClass::Get_Address(NetNumType net, NetNodeType node)
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{
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memcpy(net,NetworkNumber,4);
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memcpy(node,NodeAddress,6);
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} /* end of Get_Address */
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/***************************************************************************
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* IPXAddressClass::Get_Address -- copies address into an IPX header *
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* *
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* INPUT: *
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* net Network Number for this address *
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* node Node Address for this address *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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void IPXAddressClass::Get_Address(IPXHeaderType *header)
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{
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memcpy(header->DestNetworkNumber,NetworkNumber,4);
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memcpy(header->DestNetworkNode,NodeAddress,6);
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} /* end of Get_Address */
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/***************************************************************************
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* IPXAddressClass::Is_Broadcast -- tells if this is a broadcast address *
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* *
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* INPUT: *
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* none. *
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* *
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* OUTPUT: *
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* none. *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::Is_Broadcast(void)
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{
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if ( NetworkNumber[0] == 0xff &&
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NetworkNumber[1] == 0xff &&
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NetworkNumber[2] == 0xff &&
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NetworkNumber[3] == 0xff &&
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NodeAddress[0] == 0xff &&
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NodeAddress[1] == 0xff &&
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NodeAddress[2] == 0xff &&
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NodeAddress[3] == 0xff &&
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NodeAddress[4] == 0xff &&
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NodeAddress[5] == 0xff) {
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return(1);
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}
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else {
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return(0);
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}
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} /* end of Is_Broadcast */
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/***************************************************************************
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* IPXAddressClass::operator== -- overloaded comparison operator *
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* *
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* Since, if NETX isn't running, the network number on a received packet *
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* can be bogus (all 0's), only the node address is used for comparison *
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* purposes here. *
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* *
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* INPUT: *
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* addr address to compare to *
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* *
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* OUTPUT: *
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* 0 = not equal, 1 = equal *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::operator == (IPXAddressClass & addr)
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{
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//------------------------------------------------------------------------
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// If either Network Number is all 0's (which can happen if the system is
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// not running NETX), compare only the Node Addresses.
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//------------------------------------------------------------------------
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if ( (NetworkNumber[0]==0 &&
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NetworkNumber[1]==0 &&
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NetworkNumber[2]==0 &&
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NetworkNumber[3]==0) ||
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(addr.NetworkNumber[0]==0 &&
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addr.NetworkNumber[1]==0 &&
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addr.NetworkNumber[2]==0 &&
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addr.NetworkNumber[3]==0) ) {
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if (memcmp(NodeAddress,addr.NodeAddress,6)==0) {
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return(1);
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}
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else {
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return(0);
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}
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}
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//------------------------------------------------------------------------
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// Otherwise, compare both the Network Numbers and Node Addresses
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//------------------------------------------------------------------------
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else {
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if (memcmp(NodeAddress,addr.NodeAddress,6)==0 &&
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memcmp(NetworkNumber,addr.NetworkNumber,4)==0) {
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return(1);
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}
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else {
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return(0);
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}
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}
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} /* end of operator== */
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/***************************************************************************
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* IPXAddressClass::operator!= -- overloaded comparison operator *
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* *
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* Since, if NETX isn't running, the network number on a received packet *
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* can be bogus (all 0's), only the node address is used for comparison *
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* purposes here. *
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* *
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* INPUT: *
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* addr address to compare to *
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* *
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* OUTPUT: *
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* 0 = equal, 1 = not equal *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::operator != (IPXAddressClass & addr)
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{
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//------------------------------------------------------------------------
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// If either Network Number is all 0's (which can happen if the system is
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// not running NETX), compare only the Node Addresses.
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//------------------------------------------------------------------------
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if ( (NetworkNumber[0]==0 &&
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NetworkNumber[1]==0 &&
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NetworkNumber[2]==0 &&
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NetworkNumber[3]==0) ||
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(addr.NetworkNumber[0]==0 &&
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addr.NetworkNumber[1]==0 &&
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addr.NetworkNumber[2]==0 &&
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addr.NetworkNumber[3]==0) ) {
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if (memcmp(NodeAddress,addr.NodeAddress,6)==0) {
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return(0);
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}
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else {
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return(1);
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}
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}
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//------------------------------------------------------------------------
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// Otherwise, compare both the Network Numbers and Node Addresses
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//------------------------------------------------------------------------
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else {
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if (memcmp(NodeAddress,addr.NodeAddress,6)==0 &&
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memcmp(NetworkNumber,addr.NetworkNumber,4)==0) {
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return(0);
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}
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else {
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return(1);
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}
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}
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} /* end of operator!= */
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/***************************************************************************
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* IPXAddressClass::operator > -- overloaded comparison operator *
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* *
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* INPUT: *
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* addr address to compare to *
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* *
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* OUTPUT: *
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* TRUE = greater, FALSE = not *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::operator > (IPXAddressClass & addr)
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{
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return(memcmp(this, &addr, 10) > 0);
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} /* end of operator> */
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/***************************************************************************
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* IPXAddressClass::operator < -- overloaded comparison operator *
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* *
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* INPUT: *
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* addr address to compare to *
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* *
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* OUTPUT: *
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* TRUE = less, FALSE = not *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::operator < (IPXAddressClass & addr)
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{
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return(memcmp(this, &addr, 10) < 0);
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} /* end of operator< */
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/***************************************************************************
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* IPXAddressClass::operator >= -- overloaded comparison operator *
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* *
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* INPUT: *
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* addr address to compare to *
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* *
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* OUTPUT: *
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* TRUE = greater or equal, FALSE = not *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::operator >= (IPXAddressClass & addr)
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{
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return(memcmp(this, &addr, 10) >= 0);
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} /* end of operator>= */
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/***************************************************************************
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* IPXAddressClass::operator <= -- overloaded comparison operator *
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* *
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* INPUT: *
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* addr address to compare to *
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* *
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* OUTPUT: *
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* TRUE = less or equal, FALSE = not *
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* *
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* WARNINGS: *
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* none. *
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* *
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* HISTORY: *
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* 12/19/1994 BR : Created. *
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*=========================================================================*/
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int IPXAddressClass::operator <= (IPXAddressClass & addr)
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{
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return(memcmp(this, &addr, 10) <= 0);
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} /* end of operator<= */
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/************************** end of ipxaddr.cpp *****************************/
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