94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#ifndef INCLUDED_FILEUTIL_HPP
|
|
#define INCLUDED_FILEUTIL_HPP
|
|
|
|
#include <string>
|
|
|
|
#include <Poco/File.h>
|
|
#include <Poco/Path.h>
|
|
|
|
namespace FileUtil
|
|
{
|
|
/// Create a secure, random directory path.
|
|
std::string createRandomDir(const std::string& path);
|
|
|
|
// Save data to a file (overwriting an existing file if necessary) with checks for errors. Write
|
|
// to a temporary file in the same directory that is then atomically renamed to the desired name
|
|
// if everything goes well. In case of any error, both the destination file (if it already
|
|
// exists) and the temporary file (if was created, or existed already) are removed. Return true
|
|
// if everything succeeded.
|
|
bool saveDataToFileSafely(const std::string& fileName, const char* data, size_t size);
|
|
|
|
// We work around some of the mess of using the same sources both on the server side and in unit
|
|
// tests with conditional compilation based on BUILDING_TESTS.
|
|
|
|
#ifndef BUILDING_TESTS
|
|
// Send a 'error:' message with the specified cmd and kind parameters to all connected
|
|
// clients. This function can be called either in loolwsd or loolkit processes, even if only
|
|
// loolwsd obviously has contact with the actual clients; in loolkit it will be forwarded to
|
|
// loolwsd for redistribution. (This function must be implemented separately in each program
|
|
// that uses it, it is not in Util.cpp.)
|
|
void alertAllUsers(const std::string& cmd, const std::string& kind);
|
|
#else
|
|
// No-op implementation in the test programs
|
|
inline void alertAllUsers(const std::string&, const std::string&)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
// Add the file system that 'path' is located on to a list of file systems that are periodically
|
|
// checked for available space. The list is initially empty.
|
|
void registerFileSystemForDiskSpaceChecks(const std::string& path);
|
|
|
|
// Perform the check. If the free space on any of the registered file systems is below 5%, call
|
|
// 'alertAllUsers("internal", "diskfull")'. The check will be made no more often than once a
|
|
// minute.
|
|
std::string checkDiskSpaceOnRegisteredFileSystems();
|
|
|
|
// Check disk space on a specific file system, the one where 'path' is located. This does not
|
|
// add that file system to the list used by 'registerFileSystemForDiskSpaceChecks'. If the free
|
|
// space on the file system is below 5%, return false, otherwise true. Note that this function
|
|
// does not call 'alertAllUsers'.
|
|
bool checkDiskSpace(const std::string& path);
|
|
|
|
/// Safely remove a file or directory.
|
|
/// Supresses exception when the file is already removed.
|
|
/// This can happen when there is a race (unavoidable) or when
|
|
/// we don't care to check before we remove (when no race exists).
|
|
inline void removeFile(const std::string& path, const bool recursive = false)
|
|
{
|
|
try
|
|
{
|
|
Poco::File(path).remove(recursive);
|
|
}
|
|
catch (const std::exception&)
|
|
{
|
|
// Already removed or we don't care about failures.
|
|
}
|
|
}
|
|
|
|
inline void removeFile(const Poco::Path& path, const bool recursive = false)
|
|
{
|
|
removeFile(path.toString(), recursive);
|
|
}
|
|
|
|
/// Make a temp copy of a file.
|
|
/// Primarily used by tests to avoid tainting the originals.
|
|
/// srcDir shouldn't end with '/' and srcFilename shouldn't contain '/'.
|
|
/// Returns the created file path.
|
|
std::string getTempFilePath(const std::string& srcDir, const std::string& srcFilename);
|
|
|
|
} // end namespace FileUtil
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|