generic-library/poco
1
0
Fork 0
mirror of https://github.com/pocoproject/poco.git synced 2025-10-26 18:42:41 +01:00
Code Issues Projects Releases Wiki Activity

SessionPool::name() (maybe this should go into session?)

Browse Source 
SessionPool::shutdown() (hanging on destruction for static object - Timer?)
This commit is contained in:
Aleksandar Fabijanic
2008-10-17 18:48:27 +00:00
parent 5e28f8312e
commit 4e0cc97d6a
6 changed files with 103 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
Data/src/SessionPool.cpp
View File

@@ -51,7 +51,8 @@ SessionPool::SessionPool(const std::string& sessionKey, const std::string& conne
_maxSessions(maxSessions),
_idleTime(idleTime),
_nSessions(0),
_janitorTimer(1000*idleTime, 1000*idleTime/4)
_janitorTimer(1000*idleTime, 1000*idleTime/4),
_shutdown(false)
{
Poco::TimerCallback<SessionPool> callback(*this, &SessionPool::onJanitorTimer);
_janitorTimer.start(callback);
@@ -60,14 +61,15 @@ SessionPool::SessionPool(const std::string& sessionKey, const std::string& conne
SessionPool::~SessionPool()
{
_janitorTimer.stop();
shutdown();
}
Session SessionPool::get()
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) throw InvalidAccessException("Session pull has been shut down.");
purgeDeadSessions();
if (_idleSessions.empty())
@@ -75,23 +77,25 @@ Session SessionPool::get()
if (_nSessions < _maxSessions)
{
Session newSession(SessionFactory::instance().create(_sessionKey, _connectionString));
FeatureMap::Iterator fmIt = _featureMap.begin();
FeatureMap::Iterator fmEnd = _featureMap.end();
for (; fmIt != fmEnd; ++fmIt) newSession.setFeature(fmIt->first, fmIt->second);
PropertyMap::Iterator pmIt = _propertyMap.begin();
PropertyMap::Iterator pmEnd = _propertyMap.end();
for (; pmIt != pmEnd; ++pmIt) newSession.setProperty(pmIt->first, pmIt->second);
PooledSessionHolderPtr pHolder(new PooledSessionHolder(*this, newSession.impl()));
_idleSessions.push_front(pHolder);
++_nSessions;
}
else throw SessionPoolExhaustedException(_sessionKey, _connectionString);
}
PooledSessionHolderPtr pHolder(_idleSessions.front());
PooledSessionImplPtr pPSI(new PooledSessionImpl(pHolder));
FeatureMap::Iterator fmIt = _featureMap.begin();
FeatureMap::Iterator fmEnd = _featureMap.end();
for (; fmIt != fmEnd; ++fmIt) pPSI->setFeature(fmIt->first, fmIt->second);
PropertyMap::Iterator pmIt = _propertyMap.begin();
PropertyMap::Iterator pmEnd = _propertyMap.end();
for (; pmIt != pmEnd; ++pmIt) pPSI->setProperty(pmIt->first, pmIt->second);
_activeSessions.push_front(pHolder);
_idleSessions.pop_front();
return Session(pPSI);
@@ -100,6 +104,9 @@ Session SessionPool::get()
void SessionPool::purgeDeadSessions()
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) return;
SessionList::iterator it = _idleSessions.begin();
for (; it != _idleSessions.end(); )
{
@@ -122,7 +129,6 @@ int SessionPool::capacity() const
int SessionPool::used() const
{
Poco::FastMutex::ScopedLock lock(_mutex);
return (int) _activeSessions.size();
}
@@ -130,7 +136,6 @@ int SessionPool::used() const
int SessionPool::idle() const
{
Poco::FastMutex::ScopedLock lock(_mutex);
return (int) _idleSessions.size();
}
@@ -138,7 +143,6 @@ int SessionPool::idle() const
int SessionPool::dead()
{
Poco::FastMutex::ScopedLock lock(_mutex);
int count = 0;
SessionList::iterator it = _activeSessions.begin();
@@ -156,13 +160,13 @@ int SessionPool::dead()
int SessionPool::allocated() const
{
Poco::FastMutex::ScopedLock lock(_mutex);
return _nSessions;
}
int SessionPool::available() const
{
if (_shutdown) return 0;
return _maxSessions - used();
}
@@ -170,6 +174,7 @@ int SessionPool::available() const
void SessionPool::setFeature(const std::string& name, bool state)
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) throw InvalidAccessException("Session pull has been shut down.");
if (_nSessions > 0)
throw InvalidAccessException("Features can not be set after the first session was created.");
@@ -181,6 +186,7 @@ void SessionPool::setFeature(const std::string& name, bool state)
bool SessionPool::getFeature(const std::string& name)
{
FeatureMap::ConstIterator it = _featureMap.find(name);
if (_shutdown) throw InvalidAccessException("Session pull has been shut down.");
if (_featureMap.end() == it)
throw NotFoundException("Feature not found:" + name);
@@ -192,6 +198,7 @@ bool SessionPool::getFeature(const std::string& name)
void SessionPool::setProperty(const std::string& name, const Poco::Any& value)
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) throw InvalidAccessException("Session pull has been shut down.");
if (_nSessions > 0)
throw InvalidAccessException("Properties can not be set after first session was created.");
@@ -214,6 +221,7 @@ Poco::Any SessionPool::getProperty(const std::string& name)
void SessionPool::putBack(PooledSessionHolderPtr pHolder)
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) return;
SessionList::iterator it = std::find(_activeSessions.begin(), _activeSessions.end(), pHolder);
if (it != _activeSessions.end())
@@ -237,19 +245,15 @@ void SessionPool::putBack(PooledSessionHolderPtr pHolder)
void SessionPool::onJanitorTimer(Poco::Timer&)
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) return;
SessionList::iterator it = _idleSessions.begin();
while (_nSessions > _minSessions && it != _idleSessions.end())
{
if ((*it)->idle() > _idleTime || !(*it)->session()->isConnected())
{
try
{
(*it)->session()->close();
}
catch (...)
{
}
try { (*it)->session()->close(); }
catch (...) { }
it = _idleSessions.erase(it);
--_nSessions;
}
@@ -258,4 +262,28 @@ void SessionPool::onJanitorTimer(Poco::Timer&)
}
void SessionPool::shutdown()
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (_shutdown) return;
_shutdown = true;
_janitorTimer.stop();
closeAll(_idleSessions);
closeAll(_activeSessions);
}
void SessionPool::closeAll(SessionList& sessionList)
{
SessionList::iterator it = sessionList.begin();
for (; it != sessionList.end();)
{
try { (*it)->session()->close(); }
catch (...) { }
it = sessionList.erase(it);
if (_nSessions > 0) --_nSessions;
}
}
} } // namespace Poco::Data