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/*!
* \file ClientAPIForMathPluginManagement.cpp
*
* \author Roger James
* \date 13th November 2013
*
*/
#include "ClientAPIForMathPluginManagement.h"
#include <cstring>
namespace INDI
{
namespace AlignmentSubsystem
{
// Public methods
bool ClientAPIForMathPluginManagement::EnumerateMathPlugins(MathPluginsList &AvailableMathPlugins)
{
// Wait for driver to initialise if necessary
WaitForDriverCompletion();
AvailableMathPlugins.clear();
auto pPlugins = MathPlugins->getSwitch();
for (int i = 0; i < pPlugins->count(); i++)
AvailableMathPlugins.emplace_back(std::string(pPlugins->at(i)->getLabel()));
return true;
}
void ClientAPIForMathPluginManagement::Initialise(INDI::BaseClient *BaseClient)
{
ClientAPIForMathPluginManagement::BaseClient = BaseClient;
}
void ClientAPIForMathPluginManagement::ProcessNewDevice(INDI::BaseDevice *DevicePointer)
{
Device = DevicePointer;
}
void ClientAPIForMathPluginManagement::ProcessNewProperty(INDI::Property *PropertyPointer)
{
bool GotOneOfMine = true;
if (strcmp(PropertyPointer->getName(), "ALIGNMENT_SUBSYSTEM_MATH_PLUGINS") == 0)
MathPlugins = PropertyPointer;
else if (strcmp(PropertyPointer->getName(), "ALIGNMENT_SUBSYSTEM_MATH_PLUGIN_INITIALISE") == 0)
PluginInitialise = PropertyPointer;
else
GotOneOfMine = false;
// Tell the client when all the database properties have been set up
if (GotOneOfMine && (nullptr != MathPlugins) && (nullptr != PluginInitialise))
{
// The DriverActionComplete state variable is initialised to false
// So I need to call this to set it to true and signal anyone
// waiting for the driver to initialise etc.
SignalDriverCompletion();
}
}
void ClientAPIForMathPluginManagement::ProcessNewSwitch(ISwitchVectorProperty *SwitchVectorProperty)
{
if (strcmp(SwitchVectorProperty->name, "ALIGNMENT_SUBSYSTEM_MATH_PLUGINS") == 0)
{
if (IPS_BUSY != SwitchVectorProperty->s)
SignalDriverCompletion();
}
else if (strcmp(SwitchVectorProperty->name, "ALIGNMENT_SUBSYSTEM_MATH_PLUGIN_INITIALISE") == 0)
{
if (IPS_BUSY != SwitchVectorProperty->s)
SignalDriverCompletion();
}
}
bool ClientAPIForMathPluginManagement::SelectMathPlugin(const std::string &MathPluginName)
{
// Wait for driver to initialise if necessary
WaitForDriverCompletion();
auto pPlugins = MathPlugins->getSwitch();
int i;
for (i = 0; i < pPlugins->count(); i++)
{
if (0 == strcmp(MathPluginName.c_str(), pPlugins->at(i)->getLabel()))
break;
}
if (i >= pPlugins->count())
return false;
pPlugins->reset();
pPlugins->at(i)->setState(ISS_ON);
SetDriverBusy();
BaseClient->sendNewSwitch(pPlugins);
WaitForDriverCompletion();
if (IPS_OK != pPlugins->getState())
{
IDLog("SelectMathPlugin - Bad MathPlugins switch state %s\n", pPlugins->getStateAsString());
return false;
}
return true;
}
bool ClientAPIForMathPluginManagement::ReInitialiseMathPlugin()
{
// Wait for driver to initialise if necessary
WaitForDriverCompletion();
auto pPluginInitialise = PluginInitialise->getSwitch();
pPluginInitialise->reset();
pPluginInitialise->at(0)->setState(ISS_ON);
SetDriverBusy();
BaseClient->sendNewSwitch(pPluginInitialise);
WaitForDriverCompletion();
if (IPS_OK != pPluginInitialise->getState())
{
IDLog("ReInitialiseMathPlugin - Bad PluginInitialise switch state %s\n", pPluginInitialise->getStateAsString());
return false;
}
return true;
}
// Private methods
bool ClientAPIForMathPluginManagement::SetDriverBusy()
{
int ReturnCode = pthread_mutex_lock(&DriverActionCompleteMutex);
if (ReturnCode != 0)
return false;
DriverActionComplete = false;
IDLog("SetDriverBusy\n");
ReturnCode = pthread_mutex_unlock(&DriverActionCompleteMutex);
return ReturnCode == 0;
}
bool ClientAPIForMathPluginManagement::SignalDriverCompletion()
{
int ReturnCode = pthread_mutex_lock(&DriverActionCompleteMutex);
if (ReturnCode != 0)
return false;
DriverActionComplete = true;
ReturnCode = pthread_cond_signal(&DriverActionCompleteCondition);
if (ReturnCode != 0)
{
ReturnCode = pthread_mutex_unlock(&DriverActionCompleteMutex);
return false;
}
IDLog("SignalDriverCompletion\n");
ReturnCode = pthread_mutex_unlock(&DriverActionCompleteMutex);
return ReturnCode == 0;
}
bool ClientAPIForMathPluginManagement::WaitForDriverCompletion()
{
int ReturnCode = pthread_mutex_lock(&DriverActionCompleteMutex);
while (!DriverActionComplete)
{
IDLog("WaitForDriverCompletion - Waiting\n");
ReturnCode = pthread_cond_wait(&DriverActionCompleteCondition, &DriverActionCompleteMutex);
IDLog("WaitForDriverCompletion - Back from wait ReturnCode = %d\n", ReturnCode);
if (ReturnCode != 0)
{
ReturnCode = pthread_mutex_unlock(&DriverActionCompleteMutex);
return false;
}
}
IDLog("WaitForDriverCompletion - Finished waiting\n");
ReturnCode = pthread_mutex_unlock(&DriverActionCompleteMutex);
return ReturnCode == 0;
}
} // namespace AlignmentSubsystem
} // namespace INDI
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