/// <summary>
/// Initializes a new instance of the <see cref="InterProcessMlosContext"/> class.
/// </summary>
/// <param name="globalMemoryRegionView"></param>
/// <param name="controlChannelMemoryMapView"></param>
/// <param name="feedbackChannelMemoryMapView"></param>
/// <param name="controlChannelNamedEvent"></param>
/// <param name="feedbackChannelNamedEvent"></param>
/// <param name="targetProcessNamedEvent"></param>
internal InterProcessMlosContext(
SharedMemoryRegionView <MlosProxyInternal.GlobalMemoryRegion> globalMemoryRegionView,
SharedMemoryMapView controlChannelMemoryMapView,
SharedMemoryMapView feedbackChannelMemoryMapView,
NamedEvent controlChannelNamedEvent,
NamedEvent feedbackChannelNamedEvent,
NamedEvent targetProcessNamedEvent)
{
this.globalMemoryRegionView = globalMemoryRegionView;
this.controlChannelMemoryMapView = controlChannelMemoryMapView;
this.feedbackChannelMemoryMapView = feedbackChannelMemoryMapView;
this.controlChannelNamedEvent = controlChannelNamedEvent;
this.feedbackChannelNamedEvent = feedbackChannelNamedEvent;
this.targetProcessNamedEvent = targetProcessNamedEvent;
// Create the shared config manager.
//
SharedConfigManager = new SharedConfigManager();
MlosProxyInternal.GlobalMemoryRegion globalMemoryRegion = globalMemoryRegionView.MemoryRegion();
// Increase the usage counter. When closing global shared memory, we will decrease the counter.
// If there is no process using the shared memory, we will clean the OS resources. On Windows OS,
// this is no-op; on Linux, we unlink created files.
//
globalMemoryRegion.AttachedProcessesCount.FetchAdd(1);
// Create the control channel instance.
//
ControlChannel = new SharedChannel <InterProcessSharedChannelPolicy, SharedChannelSpinPolicy>(
buffer: controlChannelMemoryMapView.Buffer,
size: (uint)controlChannelMemoryMapView.MemSize,
sync: globalMemoryRegion.ControlChannelSynchronization)
{
ChannelPolicy = { NotificationEvent = controlChannelNamedEvent },
};
// Create the feedback channel instance.
//
FeedbackChannel = new SharedChannel <InterProcessSharedChannelPolicy, SharedChannelSpinPolicy>(
buffer: feedbackChannelMemoryMapView.Buffer,
size: (uint)feedbackChannelMemoryMapView.MemSize,
sync: globalMemoryRegion.FeedbackChannelSynchronization)
{
ChannelPolicy = { NotificationEvent = feedbackChannelNamedEvent },
};
}
/// <summary>
/// Initializes a new instance of the <see cref="InterProcessMlosContext"/> class.
/// </summary>
/// <param name="globalMemoryRegionView"></param>
/// <param name="controlChannelMemoryMapView"></param>
/// <param name="feedbackChannelMemoryMapView"></param>
/// <param name="controlChannelNamedEvent"></param>
/// <param name="feedbackChannelNamedEvent"></param>
/// <param name="targetProcessNamedEvent"></param>
private InterProcessMlosContext(
SharedMemoryRegionView <MlosProxyInternal.GlobalMemoryRegion> globalMemoryRegionView,
SharedMemoryMapView controlChannelMemoryMapView,
SharedMemoryMapView feedbackChannelMemoryMapView,
NamedEvent controlChannelNamedEvent,
NamedEvent feedbackChannelNamedEvent,
NamedEvent targetProcessNamedEvent)
{
this.globalMemoryRegionView = globalMemoryRegionView ?? throw new ArgumentNullException(nameof(globalMemoryRegionView));
this.controlChannelMemoryMapView = controlChannelMemoryMapView ?? throw new ArgumentNullException(nameof(controlChannelMemoryMapView));
this.feedbackChannelMemoryMapView = feedbackChannelMemoryMapView ?? throw new ArgumentNullException(nameof(feedbackChannelMemoryMapView));
this.controlChannelNamedEvent = controlChannelNamedEvent ?? throw new ArgumentNullException(nameof(controlChannelNamedEvent));
this.feedbackChannelNamedEvent = feedbackChannelNamedEvent ?? throw new ArgumentNullException(nameof(feedbackChannelNamedEvent));
this.targetProcessNamedEvent = targetProcessNamedEvent ?? throw new ArgumentNullException(nameof(targetProcessNamedEvent));
// Create the shared config manager.
//
SharedConfigManager = new SharedConfigManager();
MlosProxyInternal.GlobalMemoryRegion globalMemoryRegion = globalMemoryRegionView.MemoryRegion();
// Increase the usage counter. When closing global shared memory, we will decrease the counter.
// If there is no process using the shared memory, we will clean the OS resources. On Windows OS,
// this is no-op; on Linux, we unlink created files.
//
globalMemoryRegion.AttachedProcessesCount.FetchAdd(1);
// Create the control channel instance.
//
ControlChannel = new SharedChannel <InterProcessSharedChannelPolicy, SharedChannelSpinPolicy>(
buffer: controlChannelMemoryMapView.Buffer,
size: (uint)controlChannelMemoryMapView.MemSize,
sync: globalMemoryRegion.ControlChannelSynchronization)
{
ChannelPolicy = { NotificationEvent = controlChannelNamedEvent },
};
// Create the feedback channel instance.
//
FeedbackChannel = new SharedChannel <InterProcessSharedChannelPolicy, SharedChannelSpinPolicy>(
buffer: feedbackChannelMemoryMapView.Buffer,
size: (uint)feedbackChannelMemoryMapView.MemSize,
sync: globalMemoryRegion.FeedbackChannelSynchronization)
{
ChannelPolicy = { NotificationEvent = feedbackChannelNamedEvent },
};
// Register config region if available.
//
if (globalMemoryRegion.TryOpenExisting(
new MlosInternal.MemoryRegionId {
Type = MlosInternal.MemoryRegionType.SharedConfig, Index = 0,
},
out SharedMemoryMapView sharedConfigMemoryMap))
{
var sharedMemoryRegionView = new SharedMemoryRegionView <MlosProxyInternal.SharedConfigMemoryRegion>(sharedConfigMemoryMap);
SharedConfigManager.RegisterSharedConfigMemoryRegion(sharedMemoryRegionView);
}
else
{
sharedConfigMemoryMap?.Dispose();
}
}
