src/TGitCache/CacheInterface.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // External Cache Copyright (C) 2007 - TortoiseSVN
   4 // Copyright (C) 2008-2011 - TortoiseGit
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "CacheInterface.h"
  22
  23 CString GetCachePipeName()
  24 {
  25         return TSVN_CACHE_PIPE_NAME + GetCacheID();
  26 }
  27
  28 CString GetCacheCommandPipeName()
  29 {
  30         return TSVN_CACHE_COMMANDPIPE_NAME + GetCacheID();
  31 }
  32
  33 CString GetCacheMutexName()
  34 {
  35         return TSVN_CACHE_MUTEX_NAME + GetCacheID();
  36 }
  37 CString GetCacheID()
  38 {
  39         HANDLE token;
  40         DWORD len;
  41         BOOL result = OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &token);
  42         if(result)
  43         {
  44                 GetTokenInformation(token, TokenStatistics, NULL, 0, &len);
  45                 LPBYTE data = new BYTE[len];
  46                 GetTokenInformation(token, TokenStatistics, data, len, &len);
  47                 LUID uid = ((PTOKEN_STATISTICS)data)->AuthenticationId;
  48                 delete [ ] data;
  49                 CString t;
  50                 t.Format(_T("-%08x%08x"), uid.HighPart, uid.LowPart);
  51                 CloseHandle(token);
  52                 return t;
  53         }
  54         return _T("");
  55 }