#include "talk/base/win32.h" #include #include #include #include #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; } }