88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
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/*
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* Copyright 2006 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/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 <algorithm>
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#include "webrtc/base/common.h"
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#include "webrtc/base/diskcache.h"
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#include "webrtc/base/pathutils.h"
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#include "webrtc/base/stream.h"
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#include "webrtc/base/stringencode.h"
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#include "webrtc/base/stringutils.h"
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#include "webrtc/base/diskcache_win32.h"
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namespace rtc {
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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 = std::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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