/// <summary>
/// Initialize GlobalMemoryRegion.
/// </summary>
/// <param name="globalMemoryRegion"></param>
/// <returns></returns>
public static GlobalMemoryRegion InitializeMemoryRegion(this GlobalMemoryRegion globalMemoryRegion)
{
// Initialize properties.
//
globalMemoryRegion.GlobalMemoryRegionIndex = 1;
globalMemoryRegion.RegisteredSettingsAssemblyCount.Store(1);
MemoryRegion memoryHeader = globalMemoryRegion.MemoryHeader;
MemoryRegionId memoryRegionId = memoryHeader.MemoryRegionId;
memoryRegionId.Type = MemoryRegionType.Global;
SharedConfigDictionary sharedConfigDictionary = globalMemoryRegion.SharedConfigDictionary;
ArenaAllocator allocator = sharedConfigDictionary.Allocator;
// Initialize memory allocator.
//
allocator.InitializeArenaAllocator(memoryHeader, (int)globalMemoryRegion.CodegenTypeSize());
// Initialize shared config dictionary.
//
sharedConfigDictionary.InitializeSharedConfigDictionary();
return(globalMemoryRegion);
}
/// <summary>
/// Creates InterProcessMlosContext.
/// </summary>
/// <returns></returns>
public static AnonymousMemoryMlosContext Create()
{
var fdExchangeServer = new FileDescriptorExchangeServer(FdUnitDomainSocketName, FdExchangeSemaphoreName);
fdExchangeServer.HandleRequests();
MemoryRegionId memoryRegionId = new MemoryRegionId {
Type = MemoryRegionType.Global
};
SharedMemoryRegionView <MlosProxyInternal.GlobalMemoryRegion> globalMemoryRegionView =
SharedMemoryRegionView.OpenAnonymousFromFileDescriptor <MlosProxyInternal.GlobalMemoryRegion>(
fdExchangeServer.GetSharedMemoryFd(memoryRegionId),
fdExchangeServer.GetSharedMemorySize(memoryRegionId));
memoryRegionId = new MemoryRegionId {
Type = MemoryRegionType.ControlChannel
};
SharedMemoryMapView controlChannelMemoryMapView = SharedMemoryMapView.OpenAnonymousFromFileDescriptor(
fdExchangeServer.GetSharedMemoryFd(memoryRegionId),
fdExchangeServer.GetSharedMemorySize(memoryRegionId));
memoryRegionId = new MemoryRegionId {
Type = MemoryRegionType.FeedbackChannel
};
SharedMemoryMapView feedbackChannelMemoryMapView = SharedMemoryMapView.OpenAnonymousFromFileDescriptor(
fdExchangeServer.GetSharedMemoryFd(memoryRegionId),
fdExchangeServer.GetSharedMemorySize(memoryRegionId));
memoryRegionId = new MemoryRegionId {
Type = MemoryRegionType.SharedConfig
};
SharedMemoryRegionView <MlosProxyInternal.SharedConfigMemoryRegion> sharedConfigMemoryRegionView =
SharedMemoryRegionView.OpenAnonymousFromFileDescriptor <MlosProxyInternal.SharedConfigMemoryRegion>(
fdExchangeServer.GetSharedMemoryFd(memoryRegionId),
fdExchangeServer.GetSharedMemorySize(memoryRegionId));
// Create channel synchronization primitives.
//
NamedEvent controlChannelNamedEvent = NamedEvent.CreateOrOpen(ControlChannelSemaphoreName);
NamedEvent feedbackChannelNamedEvent = NamedEvent.CreateOrOpen(FeedbackChannelSemaphoreName);
return(new AnonymousMemoryMlosContext(
globalMemoryRegionView,
controlChannelMemoryMapView,
feedbackChannelMemoryMapView,
sharedConfigMemoryRegionView,
controlChannelNamedEvent,
feedbackChannelNamedEvent,
fdExchangeServer));
}
/// <summary>
/// Initialize SharedConfigMemoryRegion.
/// </summary>
/// <param name="sharedConfigMemoryRegion"></param>
/// <returns></returns>
public static SharedConfigMemoryRegion InitializeMemoryRegion(this SharedConfigMemoryRegion sharedConfigMemoryRegion)
{
SharedConfigDictionary sharedConfigDictionary = sharedConfigMemoryRegion.SharedConfigDictionary;
ArenaAllocator allocator = sharedConfigDictionary.Allocator;
MemoryRegion memoryHeader = sharedConfigMemoryRegion.MemoryHeader;
MemoryRegionId memoryRegionId = memoryHeader.MemoryRegionId;
memoryRegionId.Type = MemoryRegionType.SharedConfig;
// Initialize memory allocator.
//
allocator.InitializeArenaAllocator(sharedConfigMemoryRegion.MemoryHeader, (int)sharedConfigMemoryRegion.CodegenTypeSize());
// Initialize shared config dictionary.
//
sharedConfigDictionary.InitializeSharedConfigDictionary();
return(sharedConfigMemoryRegion);
}
/// <summary>
/// Returns memory region size for given memory region id.
/// </summary>
/// <param name="memoryRegionId"></param>
/// <returns></returns>
public ulong GetSharedMemorySize(MemoryRegionId memoryRegionId)
{
return(fileDescriptors[memoryRegionId].SharedMemorySize);
}
/// <summary>
/// Returns file descriptor for given memory region id.
/// </summary>
/// <param name="memoryRegionId"></param>
/// <returns></returns>
public IntPtr GetSharedMemoryFd(MemoryRegionId memoryRegionId)
{
return(fileDescriptors[memoryRegionId].SharedMemoryFd);
}
