 28e2075280
			
		
	
	28e2075280
	
	
	
		
			
			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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| 
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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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| 
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| #include <time.h>
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| 
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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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| 
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| #include "talk/base/diskcache_win32.h"
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| 
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| namespace talk_base {
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| 
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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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| 
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|   std::wstring path16 = ToUtf16(folder_);
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|   path16.append(1, '*');
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| 
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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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| 
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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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| 
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|     } while (FindNextFile(find_handle, &find_data));
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| 
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|     FindClose(find_handle);
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|   }
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| 
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|   return true;
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| }
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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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| 
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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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| 
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|   return true;
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| }
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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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| 
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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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| }
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