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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <maildispatcher.hxx>
#include <imaildsplistener.hxx>
#include <algorithm>
#include <com/sun/star/mail/MailException.hpp>
#include <utility>
#include <osl/diagnose.h>
using namespace ::com::sun::star;
typedef std::vector< ::rtl::Reference<IMailDispatcherListener> > MailDispatcherListenerContainer_t;
namespace /* private */
{
class MailDeliveryNotifier
{
public:
MailDeliveryNotifier(uno::Reference<mail::XMailMessage> message) :
message_(std::move(message))
{}
void operator() (::rtl::Reference<IMailDispatcherListener> const & listener) const
{ listener->mailDelivered(message_); }
private:
uno::Reference<mail::XMailMessage> message_;
};
class MailDeliveryErrorNotifier
{
public:
MailDeliveryErrorNotifier(
::rtl::Reference<MailDispatcher> xMailDispatcher,
uno::Reference<mail::XMailMessage> message,
OUString error_message) :
m_mail_dispatcher(std::move(xMailDispatcher)),
m_message(std::move(message)),
m_error_message(std::move(error_message))
{}
void operator() (::rtl::Reference<IMailDispatcherListener> const & listener) const
{ listener->mailDeliveryError(m_mail_dispatcher, m_message, m_error_message); }
private:
::rtl::Reference<MailDispatcher> m_mail_dispatcher;
uno::Reference<mail::XMailMessage> m_message;
OUString m_error_message;
};
} // namespace private
MailDispatcher::MailDispatcher(uno::Reference<mail::XSmtpService> mailserver) :
m_xMailserver(std::move( mailserver )),
m_bActive( false ),
m_bShutdownRequested( false )
{
m_aWakeupCondition.reset();
m_aRunCondition.reset();
if (!create())
throw uno::RuntimeException();
// wait until the mail dispatcher thread is really alive
// and has acquired a reference to this instance of the
// class
m_aRunCondition.wait();
}
MailDispatcher::~MailDispatcher()
{
}
void MailDispatcher::enqueueMailMessage(uno::Reference<mail::XMailMessage> const & message)
{
::osl::MutexGuard thread_status_guard( m_aThreadStatusMutex );
::osl::MutexGuard message_container_guard( m_aMessageContainerMutex );
OSL_PRECOND( !m_bShutdownRequested, "MailDispatcher thread is shutting down already" );
m_aXMessageList.push_back( message );
if ( m_bActive )
m_aWakeupCondition.set();
}
uno::Reference<mail::XMailMessage> MailDispatcher::dequeueMailMessage()
{
::osl::MutexGuard guard( m_aMessageContainerMutex );
uno::Reference<mail::XMailMessage> message;
if ( !m_aXMessageList.empty() )
{
message = m_aXMessageList.front();
m_aXMessageList.pop_front();
}
return message;
}
void MailDispatcher::start()
{
OSL_PRECOND(!isStarted(), "MailDispatcher is already started!");
::osl::ClearableMutexGuard thread_status_guard( m_aThreadStatusMutex );
OSL_PRECOND(!m_bShutdownRequested, "MailDispatcher thread is shutting down already");
if ( !m_bShutdownRequested )
{
m_bActive = true;
m_aWakeupCondition.set();
thread_status_guard.clear();
}
}
void MailDispatcher::stop()
{
OSL_PRECOND(isStarted(), "MailDispatcher not started!");
::osl::ClearableMutexGuard thread_status_guard( m_aThreadStatusMutex );
OSL_PRECOND(!m_bShutdownRequested, "MailDispatcher thread is shutting down already");
if (!m_bShutdownRequested)
{
m_bActive = false;
m_aWakeupCondition.reset();
thread_status_guard.clear();
}
}
void MailDispatcher::shutdown()
{
::osl::MutexGuard thread_status_guard( m_aThreadStatusMutex );
OSL_PRECOND(!m_bShutdownRequested, "MailDispatcher thread is shutting down already");
m_bShutdownRequested = true;
m_aWakeupCondition.set();
}
void MailDispatcher::addListener(::rtl::Reference<IMailDispatcherListener> const & listener)
{
OSL_PRECOND(!m_bShutdownRequested, "MailDispatcher thread is shutting down already");
::osl::MutexGuard guard( m_aListenerContainerMutex );
m_aListenerVector.push_back( listener );
}
std::vector< ::rtl::Reference<IMailDispatcherListener> > MailDispatcher::cloneListener()
{
::osl::MutexGuard guard( m_aListenerContainerMutex );
return m_aListenerVector;
}
void MailDispatcher::sendMailMessageNotifyListener(uno::Reference<mail::XMailMessage> const & message)
{
try
{
m_xMailserver->sendMailMessage( message );
MailDispatcherListenerContainer_t aClonedListenerVector(cloneListener());
std::for_each( aClonedListenerVector.begin(), aClonedListenerVector.end(),
MailDeliveryNotifier(message) );
}
catch (const mail::MailException& ex)
{
MailDispatcherListenerContainer_t aClonedListenerVector(cloneListener());
std::for_each( aClonedListenerVector.begin(), aClonedListenerVector.end(),
MailDeliveryErrorNotifier(this, message, ex.Message) );
}
catch (const uno::RuntimeException& ex)
{
MailDispatcherListenerContainer_t aClonedListenerVector(cloneListener());
std::for_each( aClonedListenerVector.begin(), aClonedListenerVector.end(),
MailDeliveryErrorNotifier(this, message, ex.Message) );
}
}
void MailDispatcher::run()
{
osl_setThreadName("MailDispatcher");
// acquire a self reference in order to avoid race
// conditions. The last client of this class must
// call shutdown before releasing his last reference
// to this class in order to shutdown this thread
// which will release his (the very last reference
// to the class and so force their destruction
m_xSelfReference = this;
// signal that the mail dispatcher thread is now alive
m_aRunCondition.set();
for(;;)
{
m_aWakeupCondition.wait();
::osl::ClearableMutexGuard thread_status_guard( m_aThreadStatusMutex );
if ( m_bShutdownRequested )
break;
::osl::ClearableMutexGuard message_container_guard( m_aMessageContainerMutex );
if ( !m_aXMessageList.empty() )
{
thread_status_guard.clear();
uno::Reference<mail::XMailMessage> message = m_aXMessageList.front();
m_aXMessageList.pop_front();
message_container_guard.clear();
sendMailMessageNotifyListener( message );
}
else // idle - put ourself to sleep
{
m_aWakeupCondition.reset();
message_container_guard.clear();
thread_status_guard.clear();
MailDispatcherListenerContainer_t aListenerListcloned( cloneListener() );
for( const auto & l : aListenerListcloned)
l->idle();
}
}
}
void MailDispatcher::onTerminated()
{
//keep the reference until the end of onTerminated() because of the call order in the
//_threadFunc() from osl/thread.hxx
m_xSelfReference = nullptr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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