C#服务端:
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using System;
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using System.Net.Sockets;
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using System.Net;
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using System.IO;
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using System.Diagnostics;
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using System.Threading;
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using System.Runtime.InteropServices;
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct PaketHead
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{
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public UInt32 OPCode;
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public byte DiskFlag;
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public long DiskSize;
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public long OPOffSet;
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public long OPByteCount;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
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public byte[] Authentic;
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public byte Encrypt;
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public byte Ver;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
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public byte[] AddIn;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] Reserve;
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public byte Zero;
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public int SizeOfHead;
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}
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protected byte[] Struct2Bytes<T>(T obj)
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{
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int size = Marshal.SizeOf(obj);
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byte[] bytes = new byte[size];
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IntPtr arrPtr = Marshal.UnsafeAddrOfPinnedArrayElement(bytes, 0);
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Marshal.StructureToPtr(obj, arrPtr, true);
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return bytes;
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}
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protected T Bytes2Struct<T>(byte[] bytes)
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{
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IntPtr arrPtr = Marshal.UnsafeAddrOfPinnedArrayElement(bytes, 0);
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return (T)Marshal.PtrToStructure(arrPtr, typeof(T));
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}
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protected void ReadPacketHead(BinaryReader ClientReader, BinaryWriter ClientWriter)
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{
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byte[] test = null;
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test = ClientReader.ReadBytes(180);
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PaketHead Paket = Bytes2Struct<PaketHead>(test);
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Console.WriteLine(Paket.OPCode);
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Console.WriteLine(Paket.DiskFlag);
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Console.WriteLine(Paket.DiskSize);
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Console.WriteLine(Paket.OPOffSet);
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Console.WriteLine(Paket.OPByteCount);
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Console.WriteLine(System.Text.Encoding.ASCII.GetString(Paket.Authentic));
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Console.WriteLine(Paket.Encrypt);
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Console.WriteLine(Paket.Ver);
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Console.WriteLine(System.Text.Encoding.ASCII.GetString(Paket.AddIn));
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Console.WriteLine(System.Text.Encoding.ASCII.GetString(Paket.Reserve));
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Console.WriteLine(Paket.Zero);
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Console.WriteLine(Paket.SizeOfHead);
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/////////////////////////////////
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test = Struct2Bytes<PaketHead>(Paket);
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ClientWriter.Write(test);
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}
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C++ Client:
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#include <winsock2.h>
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#pragma comment( lib, "ws2_32.lib" )
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#pragma pack(push, 1)//取消内存大小自动对齐
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typedef struct _PaketHead2
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{
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UINT OPCode;/////////////
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UCHAR DiskFlag;//////////
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__int64 DiskSize;////////
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__int64 OPOffSet;////////
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__int64 OPByteCount;/////
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UCHAR Authentic[64];//
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UCHAR Encrypt;////////
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UCHAR Ver;////////////
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UCHAR AddIn[64];//////
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UCHAR Reserve[16];////
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UCHAR Zero;///////////
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UINT SizeOfHead;/////////
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}PaketHead2,*pPaketHead2;
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#pragma pack(pop)
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//template <class T>
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//void ConvertToByteArray(T arg,unsigned char * Buffer)
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//{
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// for (int i=0;i<sizeof(T); i++)
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// {
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// int offset = i*8;
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// Buffer[i] = (arg& (0xff << offset)) >> offset;
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// }
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//}
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//
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//template <class T>
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//T ConvertBytesTo(byte *buf)
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//{
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// T ret = 0x0;
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// for (int i=0;i<sizeof(T); i++)
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// {
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// int offset = i*8;
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// ret |= buf[i] << offset;
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// }
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// return (ret);
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//}
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int ConnTest()
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{
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SOCKET mySocket;
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WORD wVersionRequested;
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WSADATA wsaData;
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int err;
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wVersionRequested = MAKEWORD( 2, 2 );
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WSAStartup( wVersionRequested, &wsaData );
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try
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{
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err = WSAStartup( wVersionRequested, &wsaData );
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if ( err != 0 ) {
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printf("Couldn't find a WinSock DLL\n");
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return 1;
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}
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if ( LOBYTE( wsaData.wVersion ) != 2 ||
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HIBYTE( wsaData.wVersion ) != 2 )
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{
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printf("Couldn't find the right version for WinSock 2.2\n");
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WSACleanup( );
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return 1;
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}
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SOCKADDR_IN ServerAddr;
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mySocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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ServerAddr.sin_family = AF_INET;
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ServerAddr.sin_port = htons(8021);
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ServerAddr.sin_addr.s_addr = inet_addr("192.168.0.5");
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if (connect(mySocket, (SOCKADDR *) &ServerAddr, sizeof(ServerAddr)))
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{
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int error_code = WSAGetLastError();
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printf("Error connecting socket: %d\n",error_code);
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return 1;
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}
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/////////
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PaketHead2 testhead2;
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memset(&testhead2,0x00,sizeof(PaketHead2));
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testhead2.DiskFlag = 0x1;
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testhead2.OPCode = 9856;
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testhead2.DiskSize = 78954612;
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testhead2.OPOffSet = 98643217;
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testhead2.OPByteCount = 85642311;
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memcpy(testhead2.Authentic,"9876543210ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghij1234567\0",64);
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memcpy(testhead2.AddIn,"9876543210ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghij1234567\0",64);
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memcpy(testhead2.Reserve,"abcdefghij12345\0",16);
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testhead2.Encrypt = 0x2;
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testhead2.Ver = 0x4;
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testhead2.Zero = 0x0;
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testhead2.SizeOfHead = sizeof(PaketHead2);
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send(mySocket,(char*)(&testhead2),sizeof(PaketHead2),NULL);
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memset(&testhead2,0x00,sizeof(PaketHead2));
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recv(mySocket,(char*)(&testhead2),sizeof(PaketHead2),NULL);
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/*testhead2.Authentic[63] = 0;
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testhead2.AddIn[63] = 0;
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testhead2.Reserve[15] = 0;*/
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printf("%d\n",testhead2.OPCode);
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printf("%d\n",testhead2.DiskFlag);
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printf("%ld\n",testhead2.DiskSize);
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printf("%ld\n",testhead2.OPOffSet);
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printf("%ld\n",testhead2.OPByteCount);
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printf("%s\n",testhead2.Authentic);
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printf("%d\n",testhead2.Encrypt);
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printf("%d\n",testhead2.Ver);
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printf("%s\n",testhead2.AddIn);
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printf("%s\n",testhead2.Reserve);
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printf("%d\n",testhead2.Zero);
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printf("%d\n",testhead2.SizeOfHead);
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//////////////////////////////////////////////////
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closesocket(mySocket);
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WSACleanup( );
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}
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catch(
)
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{
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printf("Error!\n");
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}
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}
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