Hi,
i get the following linking errors... I have read the about the errors in MSDN, but i cannot find anything useful... Can somebody help/guide me?
The following program checks for the existence of a smart card and reads from it...Code:------ Rebuild All started: Project: MifareRWReader, Configuration: Debug Win32 ------ Deleting intermediate files and output files for project 'MifareRWReader', configuration 'Debug|Win32'. Compiling... StdAfx.cpp WINVER not defined. Defaulting to 0x0501 (Windows XP and Windows .NET Server) Reader.cpp c:\documents and settings\kostas\τα έγγραφά μου\visual studio projects\mifarerwreader\reader.cpp(153) : warning C4183: 'readAndBroadcastID': missing return type; assumed to be a member function returning 'int' Generating Code... Linking... nafxcwd.lib(afxmem.obj) : error LNK2005: "void * __cdecl operator new(unsigned int)" (??2@YAPAXI@Z) already defined in msvcprtd.lib(newop_s.obj) nafxcwd.lib(afxmem.obj) : error LNK2005: "void __cdecl operator delete(void *)" (??3@YAXPAX@Z) already defined in MSVCRTD.lib(MSVCR71D.dll) nafxcwd.lib(appcore.obj) : error LNK2001: unresolved external symbol ___argv nafxcwd.lib(appcore.obj) : error LNK2001: unresolved external symbol ___argc nafxcwd.lib(apphelp.obj) : error LNK2001: unresolved external symbol __mbctype nafxcwd.lib(filelist.obj) : error LNK2001: unresolved external symbol __mbctype nafxcwd.lib(viewedit.obj) : error LNK2019: unresolved external symbol __mbctype referenced in function "protected: long __thiscall CEditView::OnFindReplaceCmd(unsigned int,long)" (?OnFindReplaceCmd@CEditView@@IAEJIJ@Z) Debug/reader.exe : fatal error LNK1120: 3 unresolved externals Build log was saved at "file://c:\Documents and Settings\kostas\Τα έγγραφά μου\Visual Studio Projects\MifareRWReader\Debug\BuildLog.htm" MifareRWReader - 8 error(s), 1 warning(s) ---------------------- Done ---------------------- Rebuild All: 0 succeeded, 1 failed, 0 skipped
A thread handles all this procedure.
Reader.cpp
Thread.hCode:#include "Thread.h" #include <atlstr.h> #include <iostream> #define MIFARE_KEYLEN 6 #define MIFARE_KEYNR 0 #define MIFARE_BLOCKNR 4 #define MIFARE_BUFLEN 16 #include <winscard.h> extern "C"{ #include <ok.h> #include <scardcl.h> } using namespace std; // define a threadable object class CReader : public IRunnable { public: CReader() { _continue = true; hSHandle = 0x00000000; //initialize card handle hSContext = 0x00000000; //initialize reader context CString cs="OMNIKEY CardMan 5x21-CL 0"; //set the name of the reader sReaderState.szReader = strdup(cs); //current state of the reader as seen by the app sReaderState.dwCurrentState = SCARD_STATE_EMPTY; //current state of the reader as seen by the resource manager sReaderState.dwEventState = SCARD_STATE_EMPTY; if (SCARD_S_SUCCESS != SCardEstablishContext(SCARD_SCOPE_USER,NULL,NULL,&hSContext)) { cerr << "failed to establish context to reader... exited" <<endl; exit(-1); } }//CReader public: unsigned long run() { while (true) { Sleep(500); //if the state of the card has changed if (SCARD_S_SUCCESS==SCardGetStatusChange(hSContext,INFINITE,&sReaderState,1)) { //and a card seems to be now present if (sReaderState.dwEventState & SCARD_STATE_PRESENT) { //connect to card // DWORD dwAP; if (SCARD_S_SUCCESS != SCardConnect(hSContext, (LPCTSTR)"OMNIKEY CardMan 5x21-CL 0", SCARD_SHARE_SHARED,SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, &hSHandle,&dwAP )) { cerr << "failed to connect to card..." << endl << "check the card has been detected by the CL interface! exited" <<endl; exit(-1); } //and authenticate // UCHAR ucMifareAuthMode=MIFARE_AUTHENT1A; UCHAR ucMifareKey[6]={0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; ULONG ulMifareKeyLen = MIFARE_KEYLEN; UCHAR ucMifareAccessType=MIFARE_KEY_INPUT; UCHAR ucMifareKeyNr=MIFARE_KEYNR; LONG m_longBlockNr=MIFARE_BLOCKNR; if (NO_ERROR != SCardCLMifareStdAuthent(hSHandle,m_longBlockNr,ucMifareAuthMode, ucMifareAccessType,ucMifareKeyNr,ucMifareKey, ulMifareKeyLen)) { cerr << "failed to authenticate... exited" << endl; exit(-1); } readAndBroadcastID(); }//is_card_present? else { if (SCARD_S_SUCCESS != SCardDisconnect(hSHandle,SCARD_LEAVE_CARD)) { cerr << "failed to diconnect card..." << endl; } }//is_card_absent }//state_changed? }//while(true) return 0; } public: void stop() { _continue = false; } protected: bool _continue; private: readAndBroadcastID() { LONG m_longBlockNr=MIFARE_BLOCKNR; UCHAR ucMifareDataRead[16]; ULONG ulMifareNumOfDataRead; BOOL everythingOK=true; if (NO_ERROR!=SCardCLMifareStdRead(hSHandle,m_longBlockNr, ucMifareDataRead,16,&ulMifareNumOfDataRead)) { cerr <<"failed to read data from card... exited"<<endl; exit(-1); } //char* str=new char[16]; //UcharToStr(ucMifareDataRead,MIFARE_BUFLEN,str); //CNDKClient clientConnection=new CNDKClient(); //BOOL conSuccess; //conSuccess=clientConnection.OpenConnection((CString)SERVER_IP,(long)PORT); //if (conSuccess==FALSE) { // cerr << "Failed to open connection... retry or abort" << endl; // everythingOK=false; //} //CNDKMessage msg=new CNDKMessage(); //for (int i=0; i<16; i++) { // CNDKMessage.Add(ucMifareDataRead[i]); //} //BOOL msgSuccess; //msgSuccess=clientConnection.SendMessageToServer(CNDKMessage& message); //if (msgSuccess==FALSE) { // cerr << "Failed to send message... retry or abort" << endl; // everythingOK=false; //} //if (everythingOK=true) { // cerr <<"ID has been broadcasted successfully"<< endl; //} }//readAndBroadcastID private: SCARD_READERSTATE sReaderState; //structure storing readers and data being monitored SCARDHANDLE hSHandle; SCARDCONTEXT hSContext; public: ~CReader() { if (SCARD_S_SUCCESS!= SCardReleaseContext(hSContext)) { cerr << "failed to release context from reader... exited" << endl; exit(-1); } }//~CReader }; void main(int argc,char* argv[]) { CReader *obj=0; Thread *thread=0; try { // create the threadable object first obj = new CReader(); // create and start the thread the thread thread = new Thread(obj); thread->start(); } catch (ThreadException &e) { printf(e.Message.c_str()); } //delete obj; //delete thread; }//main
Code:#ifndef __THREAD_H__ #define __THREAD_H__ ///////////////////////////////////////////////////////////////////////////////// #include "Windows.h" #include <string> struct IRunnable { virtual unsigned long run() = 0; virtual void stop() = 0; }; class ThreadException { public: ThreadException(DWORD lastError) { HLOCAL msgBuffer; ::FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, lastError, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language (LPSTR)&msgBuffer, 0, NULL); Message = (LPSTR)msgBuffer; ::LocalFree(msgBuffer); } ThreadException(const std::string &msg) { Message = msg; } std::string Message; }; class Thread { public: Thread(IRunnable *ptr=0) { _runnable = ptr; _started = false; _threadHandle = 0; } ~Thread() { if(_threadHandle != 0) ::CloseHandle(_threadHandle); } void start(IRunnable *ptr=0) { if(_started) throw ThreadException("Thread already started."); if(!_started && _threadHandle != 0) ::CloseHandle(_threadHandle); if(ptr != 0) _runnable = ptr; if(_runnable == 0) throw ThreadException("An object implementing the IRunnable interface required."); DWORD threadID=0; _threadHandle = ::CreateThread(0, 0, ThreadProc, this, 0, &threadID); if(_threadHandle == 0) throw ThreadException(::GetLastError()); ::Sleep(0); } void stop() { checkAlive(); _runnable->stop(); } void suspend() { checkAlive(); checkThreadHandle(); if(::SuspendThread(_threadHandle) == -1) throw ThreadException(::GetLastError()); } void resume() { checkAlive(); checkThreadHandle(); if(::ResumeThread(_threadHandle) == -1) throw ThreadException(::GetLastError()); } void join(unsigned long timeOut=INFINITE) { checkThreadHandle(); if(isAlive()) { DWORD waitResult = ::WaitForSingleObject(_threadHandle, timeOut); if(waitResult == WAIT_FAILED) throw ThreadException(::GetLastError()); } } bool isAlive() { return _started; } protected: bool _started; HANDLE _threadHandle; IRunnable *_runnable; unsigned long run() { _started = true; unsigned long threadExitCode = _runnable->run(); _started = false; return threadExitCode; } void checkThreadHandle() { if(_threadHandle == 0) throw ThreadException("Thread not yet created, call the start() method."); } void checkAlive() { if(!isAlive()) throw ThreadException("No Thread alive."); } static unsigned long __stdcall ThreadProc(void* ptr) { return ((Thread *)ptr)->run(); } }; /////////////////////////////////////////////////////////////////////////////// #endif // __THREAD_H__
Originally Posted by Adak
