Open source winsock TCP/IP library V4: ICMPCrafter.h Source File

00001 /*
00002  *  Copyright (c) 2000-2003 Barak Weichselbaum <barak@komodia.com>
00003  *  All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  *
00014  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
00015  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00016  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00017  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00018  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00019  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00020  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00021  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00022  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00023  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00024  * SUCH DAMAGE.
00025  *
00026  * Contact info:
00027  * -------------
00028  *
00029  * Site:                    http://www.komodia.com
00030  * Main contact:            barak@komodia.com
00031  * For custom projects, 
00032  * consulting, or other
00033  * paid services:           sales@komodia.com
00034  */
00035 
00036 #if !defined(AFX_ICMPCRAFTER_H__8BB8FDD9_9799_4359_90C5_B1FE2A83D847__INCLUDED_)
00037 #define AFX_ICMPCRAFTER_H__8BB8FDD9_9799_4359_90C5_B1FE2A83D847__INCLUDED_
00038 
00039 #if _MSC_VER > 1000
00040 #pragma once
00041 #endif // _MSC_VER > 1000
00042 
00043 #include "IPCrafter.h"
00044 #include "ICMPSocket.h"
00045 
00046 KOMODIA_NAMESPACE_START
00047 
00048 class CICMPCrafter : public CIPCrafter,
00049                      public CICMPSocket
00050 {
00051 public:
00052     //Get the memory for the following ICMP types
00053     char* GetInformation(BOOL bReply,
00054                          unsigned short usIdentifier,
00055                          unsigned short usSequence,
00056                          unsigned short& usTotalSize)const;
00057 
00058     char* GetTimestamp(BOOL bReply,
00059                        unsigned short usIdentifier,
00060                        unsigned short usSequence,
00061                        unsigned long ulOriginateTimestamp,
00062                        unsigned long ulReceiveTimestamp,
00063                        unsigned long ulTransmitTimestamp,
00064                        unsigned short& usTotalSize)const;
00065 
00066     char* GetEcho(BOOL bReply,
00067                   unsigned short usIdentifier,
00068                   unsigned short usSequence,
00069                   unsigned long ulData,
00070                   unsigned short& usTotalSize)const;
00071 
00072     char* GetRedirect(unsigned char cType,
00073                       IP aGatewayAddress,
00074                       unsigned short& usTotalSize)const;
00075 
00076     char* GetQuench(unsigned short& usTotalSize)const;
00077 
00078     char* GetParameter(unsigned char cError,
00079                        unsigned short& usTotalSize)const;
00080 
00081     char* GetTime(unsigned char cType,
00082                   unsigned short& usTotalSize)const;
00083 
00084     char* GetUnreachable(unsigned char cType,
00085                          unsigned short& usTotalSize)const;
00086 
00087     //Set the destination address
00088     void SetDestinationAddress(IP aDestinationAddress);
00089     void SetDestinationAddress(const std::string& rDestinationAddress);
00090 
00091     //Do we use default checksum ?
00092     void SetICMPUseDefaultChecksum(BOOL bDefault);
00093 
00094     //The checksum we want to use
00095     void SetICMPChecksum(unsigned short usChecksum);
00096 
00097     //Ctor and Dtor
00098     CICMPCrafter();
00099     virtual ~CICMPCrafter();
00100 protected:
00101     //Modify the ICMP
00102     virtual void FinalICMPHeader(LPICMPHeader lpHead)const;
00103 
00104     //Create an IP header
00105     virtual LPIpHeader ConstructIPHeader (unsigned char  ucProtocol,
00106                                           unsigned short usFragmentationFlags,
00107                                           unsigned char  ucTTL,
00108                                           unsigned short usIdentification,
00109                                           unsigned char  ucHeaderLength)const;
00110 
00111     //Last stop before sending the header
00112     virtual void FinalIPHeader(LPIpHeader lpHead)const;
00113 private:
00114     //No copy Ctor
00115     CICMPCrafter(const CICMPCrafter& rCrafter);
00116     
00117     //No assigment operator
00118     CICMPCrafter& operator=(const CICMPCrafter& rCrafter);
00119 
00120     //Created the memory
00121     char* CreateFinal(unsigned char cICMP, 
00122                       unsigned char cType,
00123                       unsigned short& usTotalSize)const;
00124 
00125     //Create the memory
00126     char* CreateFinal(const LPICMPHeader pHeader,
00127                       unsigned short& usTotalSize)const;
00128 
00129     //Do we use default checksum
00130     BOOL m_bDefaultChecksum;
00131 
00132     //Checksum to modify
00133     unsigned short m_usChecksum;
00134 
00135     //The destination address
00136     IP m_aDestinationAddress;
00137 };
00138 
00139 KOMODIA_NAMESPACE_END
00140 
00141 #endif // !defined(AFX_ICMPCRAFTER_H__8BB8FDD9_9799_4359_90C5_B1FE2A83D847__INCLUDED_)
Retail products

Documentation

ICMPCrafter.h
