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