ucb/source/ucp/webdav-curl/SerfLockStore.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #pragma once
  22
  23 #include <map>
  24 #include <mutex>
  25 #include <rtl/ref.hxx>
  26 #include <rtl/ustring.hxx>
  27 #include <com/sun/star/ucb/Lock.hpp>
  28 #include <utility>
  29
  30 #include "CurlSession.hxx"
  31
  32 namespace http_dav_ucp
  33 {
  34
  35 class TickerThread;
  36
  37 struct LockInfo
  38 {
  39     OUString m_sToken;
  40     css::ucb::Lock m_Lock;
  41     rtl::Reference<CurlSession> m_xSession;
  42     sal_Int32 m_nLastChanceToSendRefreshRequest;
  43
  44     LockInfo()
  45         : m_nLastChanceToSendRefreshRequest( -1 ) {}
  46
  47     LockInfo( OUString  sToken,
  48               css::ucb::Lock aLock,
  49               rtl::Reference<CurlSession> xSession,
  50               sal_Int32 nLastChanceToSendRefreshRequest )
  51         : m_sToken(std::move(sToken))
  52         , m_Lock(std::move(aLock))
  53         , m_xSession(std::move(xSession))
  54         , m_nLastChanceToSendRefreshRequest(nLastChanceToSendRefreshRequest)
  55     {}
  56 };
  57
  58 typedef std::map< OUString, LockInfo > LockInfoMap;
  59
  60 class SerfLockStore
  61 {
  62     std::mutex         m_aMutex;
  63     rtl::Reference< TickerThread > m_pTickerThread;
  64     LockInfoMap        m_aLockInfoMap;
  65
  66 public:
  67     SerfLockStore();
  68     ~SerfLockStore();
  69
  70     OUString const* getLockTokenForURI(OUString const& rURI, css::ucb::Lock const* pLock);
  71
  72     void addLock( const OUString& rURI,
  73                   css::ucb::Lock const& rLock,
  74                   const OUString& sToken,
  75                   rtl::Reference<CurlSession> const & xSession,
  76                   // time in seconds since Jan 1 1970
  77                   // -1: infinite lock, no refresh
  78                   sal_Int32 nLastChanceToSendRefreshRequest );
  79
  80     void removeLock(const OUString& rURI);
  81
  82     void refreshLocks();
  83
  84 private:
  85     void removeLockImpl(std::unique_lock<std::mutex> & rGuard, const OUString& rURI);
  86     void startTicker();
  87     void stopTicker(std::unique_lock<std::mutex> & rGuard);
  88 };
  89
  90 } // namespace http_dav_ucp
  91
  92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */