CnC_Remastered_Collection/REDALERT/IPXADDR.CPP

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//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
// software: you can redistribute it and/or modify it under the terms of
// the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
/* $Header: /CounterStrike/IPXADDR.CPP 1 3/03/97 10:24a Joe_bostic $ */
/***************************************************************************
** 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 **
***************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : IPXADDR.CPP *
* *
* Programmer : Bill Randolph *
* *
* Start Date : December 19, 1994 *
* *
* Last Update : December 19, 1994 [BR] *
* *
*-------------------------------------------------------------------------*
* Functions: *
* IPXAddressClass::IPXAddressClass -- class constructor *
* IPXAddressClass::IPXAddressClass -- class constructor form 2 *
* IPXAddressClass::IPXAddressClass -- class constructor form 3 *
* IPXAddressClass::Set_Address -- sets the IPX address values *
* IPXAddressClass::Set_Address -- sets the IPX values from a header *
* IPXAddressClass::Get_Address -- retrieves the IPX address values *
* IPXAddressClass::Get_Address -- copies address into an IPX header *
* IPXAddressClass::Is_Broadcast -- tells if this is a broadcast address *
* IPXAddressClass::operator== -- overloaded comparison operator *
* IPXAddressClass::operator!= -- overloaded comparison operator *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "function.h"
#include <stdio.h>
//#include <mem.h>
#include "ipxaddr.h"
#ifdef WINSOCK_IPX
#include "WSProto.h"
#endif //WINSOCK_IPX
/***************************************************************************
* IPXAddressClass::IPXAddressClass -- class constructor *
* *
* This default constructor generates a broadcast address. *
* *
* INPUT: *
* net Network Number for this address *
* node Node Address for this address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
IPXAddressClass::IPXAddressClass(void)
{
NetworkNumber[0] = 0xff;
NetworkNumber[1] = 0xff;
NetworkNumber[2] = 0xff;
NetworkNumber[3] = 0xff;
NodeAddress[0] = 0xff;
NodeAddress[1] = 0xff;
NodeAddress[2] = 0xff;
NodeAddress[3] = 0xff;
NodeAddress[4] = 0xff;
NodeAddress[5] = 0xff;
} /* end of IPXAddressClass */
/***************************************************************************
* IPXAddressClass::IPXAddressClass -- class constructor form 2 *
* *
* INPUT: *
* net Network Number for this address *
* node Node Address for this address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
IPXAddressClass::IPXAddressClass(NetNumType net, NetNodeType node)
{
memcpy(NetworkNumber, net, 4);
memcpy(NodeAddress, node, 6);
} /* end of IPXAddressClass */
/***************************************************************************
* IPXAddressClass::IPXAddressClass -- class constructor form 3 *
* *
* This form of the constructor takes an IPX header as an argument. It *
* extracts the address from the Source address fields in the header. *
* *
* INPUT: *
* header Header from which to extract the address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
IPXAddressClass::IPXAddressClass(IPXHeaderType *header)
{
memcpy(NetworkNumber,header->SourceNetworkNumber,4);
memcpy(NodeAddress,header->SourceNetworkNode,6);
} /* end of IPXAddressClass */
/***************************************************************************
* IPXAddressClass::Set_Address -- sets the IPX address values *
* *
* INPUT: *
* net Network Number for this address *
* node Node Address for this address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
void IPXAddressClass::Set_Address(NetNumType net, NetNodeType node)
{
memcpy(NetworkNumber,net,4);
memcpy(NodeAddress,node,6);
} /* end of Set_Address */
/***************************************************************************
* IPXAddressClass::Set_Address -- sets the IPX values from a header *
* *
* This routine extracts the source addresses from the given IPX header. *
* *
* INPUT: *
* net Network Number for this address *
* node Node Address for this address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
void IPXAddressClass::Set_Address(IPXHeaderType *header)
{
#ifdef WINSOCK_IPX
ProtocolEnum protocol = PROTOCOL_IPX;
if ( PacketTransport ) protocol = PacketTransport->Get_Protocol();
switch ( protocol ) {
case PROTOCOL_IPX:
memcpy(NetworkNumber,header->SourceNetworkNumber,4);
memcpy(NodeAddress,header->SourceNetworkNode,6);
break;
case PROTOCOL_UDP:
unsigned char *addr = (unsigned char*) header;
memset (NodeAddress, 0, 6);
memcpy (NodeAddress, addr, 4);
memset (NetworkNumber, 0, 4);
break;
}
#else //WINSOCK_IPX
if (header) {
memcpy(NetworkNumber,header->SourceNetworkNumber,4);
memcpy(NodeAddress,header->SourceNetworkNode,6);
} else {
/*
** Address is meaningless when using winsock
*/
memset(NetworkNumber, 1 ,4);
memset(NodeAddress, 1, 6);
}
#endif //WINSOCK_IPX
} /* end of Set_Address */
/***************************************************************************
* IPXAddressClass::Get_Address -- retrieves the IPX address values *
* *
* INPUT: *
* net Network Number for this address *
* node Node Address for this address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
void IPXAddressClass::Get_Address(NetNumType net, NetNodeType node)
{
memcpy(net,NetworkNumber,4);
memcpy(node,NodeAddress,6);
} /* end of Get_Address */
/***************************************************************************
* IPXAddressClass::Get_Address -- copies address into an IPX header *
* *
* INPUT: *
* net Network Number for this address *
* node Node Address for this address *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
void IPXAddressClass::Get_Address(IPXHeaderType *header)
{
memcpy(header->DestNetworkNumber,NetworkNumber,4);
memcpy(header->DestNetworkNode,NodeAddress,6);
} /* end of Get_Address */
/***************************************************************************
* IPXAddressClass::Is_Broadcast -- tells if this is a broadcast address *
* *
* INPUT: *
* none. *
* *
* OUTPUT: *
* none. *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::Is_Broadcast(void)
{
if ( NetworkNumber[0] == 0xff &&
NetworkNumber[1] == 0xff &&
NetworkNumber[2] == 0xff &&
NetworkNumber[3] == 0xff &&
NodeAddress[0] == 0xff &&
NodeAddress[1] == 0xff &&
NodeAddress[2] == 0xff &&
NodeAddress[3] == 0xff &&
NodeAddress[4] == 0xff &&
NodeAddress[5] == 0xff) {
return(1);
}
else {
return(0);
}
} /* end of Is_Broadcast */
/***************************************************************************
* IPXAddressClass::operator== -- overloaded comparison operator *
* *
* Since, if NETX isn't running, the network number on a received packet *
* can be bogus (all 0's), only the node address is used for comparison *
* purposes here. *
* *
* INPUT: *
* addr address to compare to *
* *
* OUTPUT: *
* 0 = not equal, 1 = equal *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::operator == (IPXAddressClass & addr)
{
//------------------------------------------------------------------------
// If either Network Number is all 0's (which can happen if the system is
// not running NETX), compare only the Node Addresses.
//------------------------------------------------------------------------
if ( (NetworkNumber[0]==0 &&
NetworkNumber[1]==0 &&
NetworkNumber[2]==0 &&
NetworkNumber[3]==0) ||
(addr.NetworkNumber[0]==0 &&
addr.NetworkNumber[1]==0 &&
addr.NetworkNumber[2]==0 &&
addr.NetworkNumber[3]==0) ) {
if (memcmp(NodeAddress,addr.NodeAddress,6)==0) {
return(1);
}
else {
return(0);
}
}
//------------------------------------------------------------------------
// Otherwise, compare both the Network Numbers and Node Addresses
//------------------------------------------------------------------------
else {
if (memcmp(NodeAddress,addr.NodeAddress,6)==0 &&
memcmp(NetworkNumber,addr.NetworkNumber,4)==0) {
return(1);
}
else {
return(0);
}
}
} /* end of operator== */
/***************************************************************************
* IPXAddressClass::operator!= -- overloaded comparison operator *
* *
* Since, if NETX isn't running, the network number on a received packet *
* can be bogus (all 0's), only the node address is used for comparison *
* purposes here. *
* *
* INPUT: *
* addr address to compare to *
* *
* OUTPUT: *
* 0 = equal, 1 = not equal *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::operator != (IPXAddressClass & addr)
{
//------------------------------------------------------------------------
// If either Network Number is all 0's (which can happen if the system is
// not running NETX), compare only the Node Addresses.
//------------------------------------------------------------------------
if ( (NetworkNumber[0]==0 &&
NetworkNumber[1]==0 &&
NetworkNumber[2]==0 &&
NetworkNumber[3]==0) ||
(addr.NetworkNumber[0]==0 &&
addr.NetworkNumber[1]==0 &&
addr.NetworkNumber[2]==0 &&
addr.NetworkNumber[3]==0) ) {
if (memcmp(NodeAddress,addr.NodeAddress,6)==0) {
return(0);
}
else {
return(1);
}
}
//------------------------------------------------------------------------
// Otherwise, compare both the Network Numbers and Node Addresses
//------------------------------------------------------------------------
else {
if (memcmp(NodeAddress,addr.NodeAddress,6)==0 &&
memcmp(NetworkNumber,addr.NetworkNumber,4)==0) {
return(0);
}
else {
return(1);
}
}
} /* end of operator!= */
/***************************************************************************
* IPXAddressClass::operator > -- overloaded comparison operator *
* *
* INPUT: *
* addr address to compare to *
* *
* OUTPUT: *
* TRUE = greater, FALSE = not *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::operator > (IPXAddressClass & addr)
{
return(memcmp(this, &addr, 10) > 0);
} /* end of operator> */
/***************************************************************************
* IPXAddressClass::operator < -- overloaded comparison operator *
* *
* INPUT: *
* addr address to compare to *
* *
* OUTPUT: *
* TRUE = less, FALSE = not *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::operator < (IPXAddressClass & addr)
{
return(memcmp(this, &addr, 10) < 0);
} /* end of operator< */
/***************************************************************************
* IPXAddressClass::operator >= -- overloaded comparison operator *
* *
* INPUT: *
* addr address to compare to *
* *
* OUTPUT: *
* TRUE = greater or equal, FALSE = not *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::operator >= (IPXAddressClass & addr)
{
return(memcmp(this, &addr, 10) >= 0);
} /* end of operator>= */
/***************************************************************************
* IPXAddressClass::operator <= -- overloaded comparison operator *
* *
* INPUT: *
* addr address to compare to *
* *
* OUTPUT: *
* TRUE = less or equal, FALSE = not *
* *
* WARNINGS: *
* none. *
* *
* HISTORY: *
* 12/19/1994 BR : Created. *
*=========================================================================*/
int IPXAddressClass::operator <= (IPXAddressClass & addr)
{
return(memcmp(this, &addr, 10) <= 0);
} /* end of operator<= */
/************************** end of ipxaddr.cpp *****************************/