SerfLockStore.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <map>
#include <mutex>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <com/sun/star/ucb/Lock.hpp>
#include <utility>
 
#include "CurlSession.hxx"
 
namespace http_dav_ucp
{
 
class TickerThread;
 
struct LockInfo
{
    OUString m_sToken;
    css::ucb::Lock m_Lock;
    rtl::Reference<CurlSession> m_xSession;
    sal_Int32 m_nLastChanceToSendRefreshRequest;
 
    LockInfo()
        : m_nLastChanceToSendRefreshRequest( -1 ) {}
 
    LockInfo( OUString  sToken,
              css::ucb::Lock aLock,
              rtl::Reference<CurlSession> xSession,
              sal_Int32 nLastChanceToSendRefreshRequest )
        : m_sToken(std::move(sToken))
        , m_Lock(std::move(aLock))
        , m_xSession(std::move(xSession))
        , m_nLastChanceToSendRefreshRequest(nLastChanceToSendRefreshRequest)
    {}
};
 
typedef std::map< OUString, LockInfo > LockInfoMap;
 
class SerfLockStore
{
    std::mutex         m_aMutex;
    rtl::Reference< TickerThread > m_pTickerThread;
    LockInfoMap        m_aLockInfoMap;
 
public:
    SerfLockStore();
    ~SerfLockStore();
 
    OUString const* getLockTokenForURI(OUString const& rURI, css::ucb::Lock const* pLock);
 
    void addLock( const OUString& rURI,
                  css::ucb::Lock const& rLock,
                  const OUString& sToken,
                  rtl::Reference<CurlSession> const & xSession,
                  // time in seconds since Jan 1 1970
                  // -1: infinite lock, no refresh
                  sal_Int32 nLastChanceToSendRefreshRequest );
 
    void removeLock(const OUString& rURI);
 
    void refreshLocks();
 
private:
    void removeLockImpl(std::unique_lock<std::mutex> & rGuard, const OUString& rURI);
    void startTicker();
    void stopTicker(std::unique_lock<std::mutex> & rGuard);
};
 
} // namespace http_dav_ucp
 
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