/// <summary>
/// Initializes a new instance of the <see cref="InterProcessMlosContext"/> class.
/// </summary>
/// <returns>InterProcessMlosContext instance.</returns>
public static InterProcessMlosContext Create()
{
var targetProcessNamedEvent = NamedEvent.CreateOrOpen(TargetProcessEventName);
{
bool shouldWaitForTargetProcess = false;
try
{
// Try open a global shared memory and check if the target process is fully initialized.
//
using var targetProcessMemoryRegionView = SharedMemoryRegionView.OpenExisting <MlosProxyInternal.GlobalMemoryRegion>(GlobalMemoryMapName, MlosInternal.GlobalMemoryRegion.GlobalSharedMemorySize);
// If RegisteredSettingsAssemblyCount is 0, the context is not created.
//
if (targetProcessMemoryRegionView.MemoryRegion().RegisteredSettingsAssemblyCount.Load() == 0)
{
shouldWaitForTargetProcess = true;
}
}
catch (FileNotFoundException)
{
// If the target process is not running.
//
shouldWaitForTargetProcess = true;
}
if (shouldWaitForTargetProcess)
{
// If the target process is not fully initialized, wait for the signal.
//
targetProcessNamedEvent.Wait();
targetProcessNamedEvent.Signal();
}
}
// Open global memory region.
//
var globalMemoryRegionView = SharedMemoryRegionView.OpenExisting <MlosProxyInternal.GlobalMemoryRegion>(GlobalMemoryMapName, MlosInternal.GlobalMemoryRegion.GlobalSharedMemorySize);
GlobalMemoryRegion globalMemoryRegion = globalMemoryRegionView.MemoryRegion();
// Open existing shared channels memory maps.
//
globalMemoryRegion.TryOpenExisting(
new MlosInternal.MemoryRegionId {
Type = MlosInternal.MemoryRegionType.ControlChannel, Index = 0,
},
out SharedMemoryMapView controlChannelMemoryMapView);
globalMemoryRegion.TryOpenExisting(
new MlosInternal.MemoryRegionId {
Type = MlosInternal.MemoryRegionType.FeedbackChannel, Index = 0,
},
out SharedMemoryMapView feedbackChannelMemoryMapView);
// Open existing channel synchronization primitives.
//
globalMemoryRegion.TryOpenExisting(
new MlosInternal.MemoryRegionId {
Type = MlosInternal.MemoryRegionType.ControlChannel, Index = 0,
},
out NamedEvent controlChannelNamedEvent);
globalMemoryRegion.TryOpenExisting(
new MlosInternal.MemoryRegionId {
Type = MlosInternal.MemoryRegionType.FeedbackChannel, Index = 0,
},
out NamedEvent feedbackChannelNamedEvent);
return(new InterProcessMlosContext(
globalMemoryRegionView,
controlChannelMemoryMapView,
feedbackChannelMemoryMapView,
controlChannelNamedEvent,
feedbackChannelNamedEvent,
targetProcessNamedEvent));
}
