Alexandria
2.25.0
SDC-CH common library for the Euclid project
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FilePool
src
lib
FileHandler.cpp
Go to the documentation of this file.
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/*
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* Copyright (C) 2012-2021 Euclid Science Ground Segment
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3.0 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
FilePool/FileHandler.h
"
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namespace
Euclid {
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namespace
FilePool {
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FileHandler::FileHandler
(
const
boost::filesystem::path&
path
,
std::weak_ptr<FileManager>
file_manager)
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: m_path(path), m_file_manager(file_manager), m_is_readonly(true) {}
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FileHandler::~FileHandler
() {
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for
(
auto
& avail :
m_available_fd
) {
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avail.second->close();
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}
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}
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bool
FileHandler::isReadOnly
()
const
{
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return
m_is_readonly
;
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}
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bool
FileHandler::close
(
FileManager::FileId
id
) {
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std::unique_ptr<FdWrapper>
fd_ptr;
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{
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std::lock_guard<std::mutex>
this_lock(
m_handler_mutex
);
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auto
iter =
m_available_fd
.find(
id
);
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if
(iter ==
m_available_fd
.end())
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return
false
;
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fd_ptr =
std::move
(iter->second);
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m_available_fd
.erase(iter);
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}
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fd_ptr->
close
();
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return
true
;
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}
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}
// namespace FilePool
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}
// namespace Euclid
Euclid::FilePool::FileHandler::m_handler_mutex
std::mutex m_handler_mutex
Definition:
FileHandler.h:89
Euclid::FilePool::FileHandler::m_available_fd
std::map< FileManager::FileId, std::unique_ptr< FdWrapper > > m_available_fd
Definition:
FileHandler.h:93
Euclid::FilePool::FileHandler::isReadOnly
bool isReadOnly() const
Definition:
FileHandler.cpp:33
FileHandler.h
Euclid::FilePool::FileHandler::FdWrapper::close
virtual void close()=0
Euclid::FilePool::FileHandler::FileHandler
FileHandler(const boost::filesystem::path &path, std::weak_ptr< FileManager > file_manager)
Definition:
FileHandler.cpp:24
Euclid::FilePool::FileHandler::m_is_readonly
bool m_is_readonly
Definition:
FileHandler.h:94
Euclid::FilePool::FileManager::FileId
intptr_t FileId
Opaque FileId, its concrete type should only be assumed to be copyable and hashable.
Definition:
FileManager.h:65
Euclid::FilePool::FileHandler::close
bool close(FileManager::FileId id)
Definition:
FileHandler.cpp:37
std::move
T move(T...args)
std::weak_ptr
STL class.
std::unique_ptr
STL class.
std::lock_guard
Euclid::FilePool::FileHandler::~FileHandler
virtual ~FileHandler()
Destructor.
Definition:
FileHandler.cpp:27
path
Path::Item path
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