epics/pvAccess
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returning by ref

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This commit is contained in:
Matej Sekoranja
2011-05-13 20:38:22 +02:00
parent 1da4173535
commit 776c4cf449
3 changed files with 54 additions and 19 deletions
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46
pvAccessApp/remoteClient/clientContextImpl.cpp
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@@ -1704,6 +1704,9 @@ namespace epics {
Mutex m_mutex;
BitSet::shared_pointer nullBitSet;
PVStructure::shared_pointer nullPVStructure;
MonitorElement::shared_pointer m_nullMonitorElement;
MonitorElement::shared_pointer m_thisPtr;
public:
@@ -1730,12 +1733,20 @@ namespace epics {
virtual MonitorElement::shared_pointer const & poll() {
Lock guard(m_mutex);
return m_gotMonitor ? static_pointer_cast<MonitorElement>(shared_from_this()) : MonitorElement::shared_pointer();
if (m_gotMonitor)
return m_nullMonitorElement;
else
{
// TODO this is not OK!!! requires destroy() call to clean-up
m_thisPtr = shared_from_this();
return m_thisPtr;
}
}
virtual void release(MonitorElement::shared_pointer const & monitorElement) {
Lock guard(m_mutex);
m_gotMonitor = false;
m_thisPtr.reset();
}
Status start() {
@@ -1747,7 +1758,7 @@ namespace epics {
}
void destroy() {
// noop
m_thisPtr.reset();
}
// ============ MonitorElement ============
@@ -1784,6 +1795,9 @@ namespace epics {
BitSet::shared_pointer m_monitorElementChangeBitSet;
BitSet::shared_pointer m_monitorElementOverrunBitSet;
MonitorElement::shared_pointer m_nullMonitorElement;
MonitorElement::shared_pointer m_thisPtr;
public:
MonitorStrategyEntire(MonitorRequester::shared_pointer const & callback) :
@@ -1817,17 +1831,26 @@ namespace epics {
virtual MonitorElement::shared_pointer const & poll() {
Lock guard(m_mutex);
return m_gotMonitor ? static_pointer_cast<MonitorElement>(shared_from_this()) : MonitorElement::shared_pointer();
if (m_gotMonitor)
return m_nullMonitorElement;
else
{
// TODO this is not OK!!! requires destroy() call to clean-up
m_thisPtr = shared_from_this();
return m_thisPtr;
}
}
virtual void release(MonitorElement::shared_pointer const & monitorElement) {
Lock guard(m_mutex);
m_gotMonitor = false;
m_thisPtr.reset();
}
Status start() {
Lock guard(m_mutex);
m_gotMonitor = false;
m_thisPtr.reset();
return Status::OK;
}
@@ -1836,7 +1859,7 @@ namespace epics {
}
void destroy() {
// noop
m_thisPtr.reset();
}
// ============ MonitorElement ============
@@ -1879,6 +1902,8 @@ namespace epics {
BitSet::shared_pointer m_dataChangeBitSet;
BitSet::shared_pointer m_dataOverrunBitSet;
bool m_needToCompress;
MonitorElement::shared_pointer thisMonitorElement;
public:
@@ -1949,13 +1974,15 @@ namespace epics {
m_needToCompress = false;
}
MonitorElement::shared_pointer thisMonitorElement = shared_from_this();
// TODO fix this
thisMonitorElement = shared_from_this();
return thisMonitorElement;
}
virtual void release(MonitorElement::shared_pointer const & monitorElement) {
Lock guard(m_mutex);
m_gotMonitor = false;
thisMonitorElement.reset();
}
Status start() {
@@ -1963,6 +1990,7 @@ namespace epics {
if (!m_monitorElementChangeBitSet)
return Status(Status::STATUSTYPE_ERROR, "Monitor not connected.");
m_gotMonitor = false;
thisMonitorElement.reset();
m_monitorElementChangeBitSet->clear();
m_monitorElementOverrunBitSet->clear();
return Status::OK;
@@ -1973,7 +2001,7 @@ namespace epics {
}
void destroy() {
// noop
thisMonitorElement.reset();
}
// ============ MonitorElement ============
@@ -2965,7 +2993,7 @@ namespace epics {
std::cout << "[" << getRequesterName() << "] message(" << message << ", " << messageTypeName[messageType] << ")" << std::endl;
}
virtual ChannelProvider::shared_pointer getProvider()
virtual ChannelProvider::shared_pointer const & getProvider()
{
return m_context->getProvider();
}
@@ -2989,7 +3017,7 @@ namespace epics {
return m_name;
}
virtual ChannelRequester::shared_pointer getChannelRequester()
virtual ChannelRequester::shared_pointer const & getChannelRequester()
{
return m_requester;
}
@@ -3639,7 +3667,7 @@ TODO
return m_version;
}
virtual ChannelProvider::shared_pointer getProvider() {
virtual ChannelProvider::shared_pointer const & getProvider() {
//Lock lock(m_contextMutex);
return m_provider;
}