internal ManagedMemoryBlock(string @namespace, string key, int bufferSize, int bufferId, IEnumerable <string> servicePrincpal)
{
Namespace = @namespace;
Key = key;
EventWaitHandleSecurity open = null;
MemoryMappedFileSecurity transparent = null;
var service = servicePrincpal.FirstOrDefault();
var currentIdentity = WindowsIdentity.GetCurrent();
if (service != null && currentIdentity != null)
{
open = new EventWaitHandleSecurity();
open.AddAccessRule(new EventWaitHandleAccessRule(currentIdentity.Name, EventWaitHandleRights.FullControl, AccessControlType.Allow));
// The event handles need more than just EventWaitHandleRights.Modify | EventWaitHandleRights.Synchronize to work
open.AddAccessRule(new EventWaitHandleAccessRule(service, EventWaitHandleRights.FullControl, AccessControlType.Allow));
transparent = new MemoryMappedFileSecurity();
transparent.AddAccessRule(new AccessRule <MemoryMappedFileRights>(currentIdentity.Name, MemoryMappedFileRights.FullControl, AccessControlType.Allow));
transparent.AddAccessRule(new AccessRule <MemoryMappedFileRights>(service, MemoryMappedFileRights.ReadWrite, AccessControlType.Allow));
}
bool createdNew;
ProfilerHasResults = new EventWaitHandle(
false,
EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_SendResults_Event_", bufferId),
out createdNew,
open);
ResultsHaveBeenReceived = new EventWaitHandle(
false,
EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_ReceiveResults_Event_", bufferId),
out createdNew,
open);
_mmfResults = MemoryMappedFile.CreateNew(
MakeName(@"\OpenCover_Profiler_Results_MemoryMapFile_", bufferId),
bufferSize,
MemoryMappedFileAccess.ReadWrite,
MemoryMappedFileOptions.None,
transparent,
HandleInheritability.Inheritable);
StreamAccessorResults = _mmfResults.CreateViewStream(0, bufferSize, MemoryMappedFileAccess.ReadWrite);
StreamAccessorResults.Write(BitConverter.GetBytes(0), 0, 4);
BufferSize = bufferSize;
}
internal ManagedMemoryBlock(string @namespace, string key, int bufferSize, int bufferId)
{
Namespace = @namespace;
Key = key;
ProfilerHasResults = new EventWaitHandle(false, EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_SendResults_Event_", bufferId));
ResultsHaveBeenReceived = new EventWaitHandle(false, EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_ReceiveResults_Event_", bufferId));
_mmfResults = MemoryMappedFile.CreateNew(MakeName(@"\OpenCover_Profiler_Results_MemoryMapFile_", bufferId), bufferSize);
StreamAccessorResults = _mmfResults.CreateViewStream(0, bufferSize, MemoryMappedFileAccess.ReadWrite);
StreamAccessorResults.Write(BitConverter.GetBytes(0), 0, 4);
BufferSize = bufferSize;
}