mirror of https://github.com/EdgeVPNio/evio.git
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
/*
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* EdgeVPNio
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* Copyright 2020, University of Florida
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**************************************************************************
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WinException
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-------------------
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Description : A Win32 specialization of the std::exception.
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Usage: Throw WinEXCEPTION("with your error message"). When caught, ask the
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exception.what() happened to get your error message, source code file and
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line, and the Windows specific error message.
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***************************************************************************/
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#ifndef TINCAN_WIN_EXCEPTION_H_
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#define TINCAN_WIN_EXCEPTION_H_
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#if defined(_TNC_WIN)
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#include "tincan_base.h"
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#include <Winsock2.h>
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namespace tincan
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{
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namespace windows
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{
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#define WINEXCEPT(ExtendedErrorInfo)\
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WinException(ExtendedErrorInfo, __FILE__, __LINE__, GetLastError())
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class WinException : virtual public exception
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{
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private:
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unsigned int mHostErrorCode;
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unsigned int mSourceLine;
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const string mSourceFile;
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const string mExtendedErrorInfo;
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stringstream ss;
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protected:
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string mMsg;
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void WinException::TranslateErrorCode() {
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ss << "Exception@ " << mSourceFile << " (" << mSourceLine << ") " << endl
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<< mExtendedErrorInfo << endl;
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if(ERROR_SUCCESS != mHostErrorCode)
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{
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LPSTR MsgBuf = NULL;
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DWORD dw = FormatMessageA(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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mHostErrorCode,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPSTR)&MsgBuf,
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12,
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NULL);
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if(dw && MsgBuf) {
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ss << " System error: " << mHostErrorCode << "-" << MsgBuf << endl;
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LocalFree(MsgBuf);
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MsgBuf = NULL;
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}
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}
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}
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public:
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WinException(
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const char *const & ExtendedErrorInfo,
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const char *const & SourceFile,
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const unsigned int SourceLine,
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const unsigned int ErrorCode) :
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exception(),
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mHostErrorCode(ErrorCode),
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mSourceLine(SourceLine),
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mSourceFile(SourceFile),
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mExtendedErrorInfo(ExtendedErrorInfo) {
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TranslateErrorCode();
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mMsg = ss.str();
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}
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void AddMessage( string && Msg) {
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ss << Msg << endl;
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}
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const char* WinException::what() const {
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return mMsg.c_str();
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}
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}; // WinException
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} // windows
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} // tincan
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#endif // _TNC_WIN
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#endif // TINCAN_WIN_EXCEPTION_H_
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