////////////////////////////////////////////////////////////////////////////////////
///
/// \brief Method called periodically by external classes and is used to
/// verify control of components.
///
/// \param[in] timeSinceLastCheckMs Number of milliseconds since the last time
/// this method was called.
///
////////////////////////////////////////////////////////////////////////////////////
void AccessControl::CheckServiceStatus(const unsigned int timeSinceLastCheckMs)
{
RequestControl request;
mControlMutex.Lock();
request.SetSourceID(GetComponentID());
request.SetAuthorityCode(mAuthorityCode);
Address::Set::iterator component;
Time currentTime;
currentTime.SetCurrentTime();
for(component = mControlledComponents.begin();
component != mControlledComponents.end();
component++)
{
// If we are releasing control, do not check.
if(mToReleaseControl.find(*component) != mToReleaseControl.end())
{
continue;
}
// If we have not checked within timeout - .x seconds, then re-acquire control to
// maintain constant control of component.
double thresh = mTimeoutPeriods[*component]*mTimeoutThreshold/100.0;
double checkTimeDiff = currentTime.ToSeconds() - mControlCheckTimes[*component].ToSeconds();
double timeThresh = (mTimeoutPeriods[*component] - thresh);
bool checkConfirmation = true;
if(mTimeoutPeriods[*component] > 0 && checkTimeDiff >= thresh)
{
request.SetDestinationID(*component);
if(Send(&request))
{
// Update the check time.
mControlCheckTimes[*component].SetCurrentTime();
checkConfirmation = false;
}
}
double confirmTimeDiff = currentTime.ToSeconds() - mControlConfirmTimes[*component].ToSeconds();
timeThresh = (mTimeoutPeriods[*component] + thresh);
// If we haven't been confirmed in this time, then we have lost control.
if(checkConfirmation && confirmTimeDiff > timeThresh)
{
mControlFlags[*component] = false;
// Generate events and callbacks.
Mutex::ScopedLock clock(&mCallbacksMutex);
Callback::Set::iterator cb;
for(cb = mCallbacks.begin();
cb != mCallbacks.end();
cb++)
{
(*cb)->ProcessLossOfControl(*component);
}
}
}
mControlMutex.Unlock();
// Allow control check time to update.
mControlMutex.Lock();
Address controller = mControllerID;
bool timeout = false;
currentTime.SetCurrentTime();
double timeSinceRequest = currentTime - mControllerCheckTime;
if(mTimeoutPeriod > 0 &&
controller.IsValid() &&
timeSinceRequest >= (double)mTimeoutPeriod + mTimeoutPeriod*mTimeoutThreshold/100.0)
{
timeout = true;
// Release control due to timeout.
RejectControl reject(controller, GetComponentID());
reject.SetResponseCode(RejectControl::ControlReleased);
Send(&reject);
if(mDebugMessagesFlag)
{
Mutex::ScopedLock plock(&mDebugMessagesMutex);
std::cout << "[" << GetServiceID().ToString() << "-" << mComponentID.ToString()
<< "] - Control Time Out From " << controller.ToString() << " at " << Time::GetUtcTime().ToString() << "\n";
}
// Clear values.
mControllerID.Clear();
mControllerAuthorityCode = 0;
mControllerCheckTime.Clear();
mControllerUpdateTime.Clear();
}
mControlMutex.Unlock();
if(timeout)
{
Callback::Set::iterator cb;
for(cb = mCallbacks.begin();
cb != mCallbacks.end();
cb++)
{
(*cb)->ProcessReleaseOfControl(controller);
}
Service::Map children = GetChildServices();
Service::Map::iterator child;
for(child = children.begin();
child != children.end();
child++)
{
Child* controlChild = dynamic_cast<Child *>(child->second);
if(controlChild)
{
controlChild->ReleaseControl();
}
}
SignalEvent(REPORT_CONTROL);
}
}
////////////////////////////////////////////////////////////////////////////////////
///
/// \brief Method called periodically by external classes and is used to
/// verify control of components.
///
/// \param[in] timeSinceLastCheckMs Number of milliseconds since the last time
/// this method was called.
///
////////////////////////////////////////////////////////////////////////////////////
void AccessControl::CheckServiceStatus(const unsigned int timeSinceLastCheckMs)
{
RequestControl request;
Address::Set lostComponents;
Time currentTime;
// Upgrade/Read lock
{
#ifdef JAUS_USE_UPGRADE_LOCKS
UpgradeLock uLock(mControlMutex);
#else
WriteLock wLock(mControlMutex);
#endif
request.SetSourceID(GetComponentID());
request.SetAuthorityCode(mAuthorityCode);
Address::Set::iterator component;
currentTime.SetCurrentTime();
for(component = mControlledComponents.begin();
component != mControlledComponents.end();
component++)
{
// If we are releasing control, do not check.
if(mToReleaseControl.find(*component) != mToReleaseControl.end())
{
continue;
}
// If we have not checked within timeout - .x seconds, then re-acquire control to
// maintain constant control of component.
double thresh = mTimeoutPeriods[*component]*mTimeoutThreshold/100.0;
double checkTimeDiff = currentTime.ToSeconds() - mControlCheckTimes[*component].ToSeconds();
double timeThresh = (mTimeoutPeriods[*component] - thresh);
bool checkConfirmation = true;
if(mTimeoutPeriods[*component] > 0 && checkTimeDiff >= thresh)
{
request.SetDestinationID(*component);
if(Send(&request))
{
// Update the check time.
#ifdef JAUS_USE_UPGRADE_LOCKS
UpgradeToUniqueLock upLock(uLock);
#endif
mControlCheckTimes[*component].SetCurrentTime();
checkConfirmation = false;
}
}
double confirmTimeDiff = currentTime.ToSeconds() - mControlConfirmTimes[*component].ToSeconds();
timeThresh = (mTimeoutPeriods[*component] + thresh);
// If we haven't been confirmed in this time, then we have lost control.
if(checkConfirmation && confirmTimeDiff > timeThresh)
{
mControlFlags[*component] = false;
lostComponents.insert(*component);
}
}
}
// Notify subscribers of any lost control events.
{
Address::Set::iterator lost;
for(lost = lostComponents.begin();
lost != lostComponents.end();
lost++)
{
// Generate events and callbacks.
ReadLock cbrLock(mCallbacksMutex);
Callback::Set::iterator cb;
for(cb = mCallbacks.begin();
cb != mCallbacks.end();
cb++)
{
(*cb)->ProcessLossOfControl(*lost);
}
}
}
Address controller; // Current controlling component.
bool timeout = false;
{
#ifdef JAUS_USE_UPGRADE_LOCKS
UpgradeLock uLock(mControlMutex);
#else
WriteLock wLock(mControlMutex);
#endif
controller = mControllerID;
currentTime.SetCurrentTime();
double timeSinceRequest = currentTime - mControllerCheckTime;
if(mTimeoutPeriod > 0 &&
controller.IsValid() &&
timeSinceRequest >= (double)mTimeoutPeriod + mTimeoutPeriod*mTimeoutThreshold/100.0)
{
timeout = true;
// Release control due to timeout.
RejectControl reject(controller, GetComponentID());
reject.SetResponseCode(RejectControl::ControlReleased);
Send(&reject);
if(DebugMessagesEnabled())
{
std::stringstream dMessage;
dMessage << "[" << GetServiceID().ToString() << "-" << mComponentID.ToString()
<< "] - Control Time from " << controller.ToString() << " at " << Time::GetUtcTime().ToString();
PrintDebugMessage(dMessage.str());
}
{
#ifdef JAUS_USE_UPGRADE_LOCKS
UpgradeToUniqueLock upLock(uLock);
#endif
// Clear values.
mControllerID.Clear();
mControllerAuthorityCode = 0;
mControllerCheckTime.Clear();
mControllerUpdateTime.Clear();
}
}
}
if(timeout)
{
{
ReadLock cbrLock(mCallbacksMutex);
Callback::Set::iterator cb;
for(cb = mCallbacks.begin();
cb != mCallbacks.end();
cb++)
{
(*cb)->ProcessReleaseOfControl(controller);
}
}
Service::Map children = GetChildServices();
Service::Map::iterator child;
for(child = children.begin();
child != children.end();
child++)
{
Child* controlChild = dynamic_cast<Child *>(child->second);
if(controlChild)
{
controlChild->ReleaseControl();
}
}
SignalEvent(REPORT_CONTROL);
}
}
