void MarkProblemDevice(ITargetDevice Device)
{
if (ProblemDevices.Where(D => D.Name == Device.Name && D.Platform == Device.Platform).Count() > 0)
{
return;
}
// @todo Notify service of problem (reboot device, notify email, etc)
// also, pass problem devices to service when asking for reservation, so don't get that device back
ProblemDevices.Add(new ProblemDevice(Device.Name, Device.Platform));
}
void MarkProblemDevice(ITargetDevice Device)
{
if (ProblemDevices.Where(D => D.Name == Device.Name && D.Platform == Device.Platform).Count() > 0)
{
return;
}
// report device has a problem to the pool
DevicePool.Instance.ReportDeviceError(Device, "MarkProblemDevice");
ProblemDevices.Add(new ProblemDevice(Device.Name, Device.Platform));
}
/// <summary>
/// Helper that reserves and returns a list of available devices based on the passed in roles
/// </summary>
/// <param name="Configs"></param>
/// <returns></returns>
public bool TryReserveDevices()
{
List <ITargetDevice> AcquiredDevices = new List <ITargetDevice>();
List <ITargetDevice> SkippedDevices = new List <ITargetDevice>();
ReleaseDevices();
// figure out how many of each device we need
Dictionary <UnrealTargetConstraint, int> RequiredDeviceTypes = new Dictionary <UnrealTargetConstraint, int>();
IEnumerable <UnrealSessionRole> RolesNeedingDevices = SessionRoles.Where(R => !R.IsNullRole());
// Get a count of the number of devices required for each platform
RolesNeedingDevices.ToList().ForEach(C =>
{
if (!RequiredDeviceTypes.ContainsKey(C.Constraint))
{
RequiredDeviceTypes[C.Constraint] = 0;
}
RequiredDeviceTypes[C.Constraint]++;
});
// check whether pool can accommodate devices
if (!DevicePool.Instance.CheckAvailableDevices(RequiredDeviceTypes, ProblemDevices))
{
return(false);
}
// AG - this needs more thought as it can either be good (lots of devices under contention, temp failure) or
// just burn cycles spinning on something that won't ever work...
// If we had problem devices last time see if there are enough of that type that we can exclude them
//if (ProblemDevices.Count > 0)
//{
// Dictionary<UnrealTargetPlatform, int> ProblemPlatforms = new Dictionary<UnrealTargetPlatform, int>();
// // count how many problems for each platform
// ProblemDevices.ForEach(Device =>
// {
// if (ProblemPlatforms.ContainsKey(Device.Platform) == false)
// {
// ProblemPlatforms[Device.Platform] = 0;
// }
// ProblemPlatforms[Device.Platform]++;
// });
// List<ITargetDevice> ProblemsDevicesToRelease = new List<ITargetDevice>();
// // foreach device, see if we have enough others that we can ignore it
// ProblemDevices.ForEach(Device =>
// {
// if (ProblemPlatforms[Device.Platform] < AvailableDeviceTypes[Device.Platform])
// {
// Log.Verbose("Had problem with device {0} last time, will now ignore", Device.Name);
// }
// else
// {
// Log.Verbose("Would like to ignore device {0} but not enough of this type in pool", Device.Name);
// ProblemsDevicesToRelease.Add(Device);
// }
// });
// // remove any
// ProblemDevices = ProblemDevices.Where(D => ProblemsDevicesToRelease.Contains(D) == false).ToList();
//}
// nothing acquired yet...
AcquiredDevices.Clear();
// for each platform, enumerate and select from the available devices
foreach (var PlatformReqKP in RequiredDeviceTypes)
{
UnrealTargetConstraint Constraint = PlatformReqKP.Key;
UnrealTargetPlatform? Platform = Constraint.Platform;
int NeedOfThisType = RequiredDeviceTypes[Constraint];
DevicePool.Instance.EnumerateDevices(Constraint, Device =>
{
int HaveOfThisType = AcquiredDevices.Where(D => D.Platform == Device.Platform && Constraint.Check(Device)).Count();
bool WeWant = NeedOfThisType > HaveOfThisType;
if (WeWant)
{
bool Available = Device.IsAvailable;
bool Have = AcquiredDevices.Contains(Device);
bool Problem = ProblemDevices.Where(D => D.Name == Device.Name && D.Platform == Device.Platform).Count() > 0;
Log.Verbose("Device {0}: Available:{1}, Have:{2}, HasProblem:{3}", Device.Name, Available, Have, Problem);
if (Available &&
Have == false &&
Problem == false)
{
Log.Info("Acquiring device {0}", Device.Name);
AcquiredDevices.Add(Device);
HaveOfThisType++;
}
else
{
Log.Info("Skipping device {0}", Device.Name);
SkippedDevices.Add(Device);
}
}
// continue if we need more of this platform type
return(HaveOfThisType < NeedOfThisType);
});
}
// If we got enough devices, go to step2 where we provision and try to connect them
if (AcquiredDevices.Count == RolesNeedingDevices.Count())
{
// actually acquire them
DevicePool.Instance.ReserveDevices(AcquiredDevices);
Log.Info("Selected devices {0} for client(s). Prepping", string.Join(", ", AcquiredDevices));
foreach (ITargetDevice Device in AcquiredDevices)
{
if (Device.IsOn == false)
{
Log.Info("Powering on {0}", Device);
Device.PowerOn();
}
else if (Globals.Params.ParseParam("reboot"))
{
Log.Info("Rebooting {0}", Device);
Device.Reboot();
}
if (Device.IsConnected == false)
{
Log.Verbose("Connecting to {0}", Device);
Device.Connect();
}
}
// Step 3: Verify we actually connected to them
var LostDevices = AcquiredDevices.Where(D => !D.IsConnected);
if (LostDevices.Count() > 0)
{
Log.Info("Lost connection to devices {0} for client(s). ", string.Join(", ", LostDevices));
// mark these as problems. Could be something grabbed them before us, could be that they are
// unresponsive in some way
LostDevices.ToList().ForEach(D => MarkProblemDevice(D));
AcquiredDevices.ToList().ForEach(D => D.Disconnect());
DevicePool.Instance.ReleaseDevices(AcquiredDevices);
AcquiredDevices.Clear();
}
}
if (AcquiredDevices.Count() != RolesNeedingDevices.Count())
{
Log.Info("Failed to resolve all devices. Releasing the ones we have ");
DevicePool.Instance.ReleaseDevices(AcquiredDevices);
}
else
{
ReservedDevices = AcquiredDevices;
}
// release devices that were skipped
DevicePool.Instance.ReleaseDevices(SkippedDevices);
return(ReservedDevices.Count() == RolesNeedingDevices.Count());
}