trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
		
			
				
	
	
		
			104 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * libjingle
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 * Copyright 2006, Google Inc.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 *  1. Redistributions of source code must retain the above copyright notice,
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 *     this list of conditions and the following disclaimer.
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 *  2. Redistributions in binary form must reproduce the above copyright notice,
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 *     this list of conditions and the following disclaimer in the documentation
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 *     and/or other materials provided with the distribution.
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 *  3. The name of the author may not be used to endorse or promote products
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 *     derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "talk/base/win32.h"
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#include <shellapi.h>
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#include <shlobj.h>
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#include <tchar.h>
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#include <time.h>
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#include "talk/base/common.h"
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#include "talk/base/diskcache.h"
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#include "talk/base/pathutils.h"
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#include "talk/base/stream.h"
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#include "talk/base/stringencode.h"
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#include "talk/base/stringutils.h"
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#include "talk/base/diskcache_win32.h"
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namespace talk_base {
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bool DiskCacheWin32::InitializeEntries() {
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  // Note: We could store the cache information in a separate file, for faster
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  // initialization.  Figuring it out empirically works, too.
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  std::wstring path16 = ToUtf16(folder_);
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  path16.append(1, '*');
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  WIN32_FIND_DATA find_data;
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  HANDLE find_handle = FindFirstFile(path16.c_str(), &find_data);
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  if (find_handle != INVALID_HANDLE_VALUE) {
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    do {
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      size_t index;
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      std::string id;
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      if (!FilenameToId(ToUtf8(find_data.cFileName), &id, &index))
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        continue;
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      Entry* entry = GetOrCreateEntry(id, true);
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      entry->size += find_data.nFileSizeLow;
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      total_size_ += find_data.nFileSizeLow;
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      entry->streams = _max(entry->streams, index + 1);
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      FileTimeToUnixTime(find_data.ftLastWriteTime, &entry->last_modified);
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    } while (FindNextFile(find_handle, &find_data));
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    FindClose(find_handle);
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  }
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  return true;
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}
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bool DiskCacheWin32::PurgeFiles() {
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  std::wstring path16 = ToUtf16(folder_);
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  path16.append(1, '*');
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  path16.append(1, '\0');
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  SHFILEOPSTRUCT file_op = { 0 };
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  file_op.wFunc = FO_DELETE;
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  file_op.pFrom = path16.c_str();
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  file_op.fFlags = FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT
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                   | FOF_NORECURSION | FOF_FILESONLY;
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  if (0 != SHFileOperation(&file_op)) {
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    LOG_F(LS_ERROR) << "Couldn't delete cache files";
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    return false;
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  }
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  return true;
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}
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bool DiskCacheWin32::FileExists(const std::string& filename) const {
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  DWORD result = ::GetFileAttributes(ToUtf16(filename).c_str());
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  return (INVALID_FILE_ATTRIBUTES != result);
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}
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bool DiskCacheWin32::DeleteFile(const std::string& filename) const {
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  return ::DeleteFile(ToUtf16(filename).c_str()) != 0;
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}
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}
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