internal static IpcPort Create(String portName, CommonSecurityDescriptor securityDescriptor, bool exclusive) { if (Environment.OSVersion.Platform != PlatformID.Win32NT) { throw new NotSupportedException(CoreChannel.GetResourceString("Remoting_Ipc_Win9x")); } PipeHandle handle = null; // Add the prefix to the portName string pipeName = prefix + portName; SECURITY_ATTRIBUTES attr = new SECURITY_ATTRIBUTES(); attr.nLength = (int)Marshal.SizeOf(attr); byte[] sd = null; // If no securityDescriptor was set by the user use the default if (securityDescriptor == null) { securityDescriptor = s_securityDescriptor; } sd = new byte[securityDescriptor.BinaryLength]; // Get the binary form of the descriptor securityDescriptor.GetBinaryForm(sd, 0); GCHandle pinningHandle = GCHandle.Alloc(sd, GCHandleType.Pinned); // get the address of the security descriptor attr.lpSecurityDescriptor = Marshal.UnsafeAddrOfPinnedArrayElement(sd, 0); // Create the named pipe with the appropriate name handle = NativePipe.CreateNamedPipe(pipeName, NativePipe.PIPE_ACCESS_DUPLEX | NativePipe.FILE_FLAG_OVERLAPPED | (exclusive ? NativePipe.FILE_FLAG_FIRST_PIPE_INSTANCE : 0x0), // Or exclusive flag NativePipe.PIPE_TYPE_BYTE | NativePipe.PIPE_READMODE_BYTE | NativePipe.PIPE_WAIT, NativePipe.PIPE_UNLIMITED_INSTANCES, 8192, 8192, NativePipe.NMPWAIT_WAIT_FOREVER, attr); pinningHandle.Free(); if (handle.Handle.ToInt32() == NativePipe.INVALID_HANDLE_VALUE){ int error = Marshal.GetLastWin32Error(); throw new RemotingException(String.Format(CultureInfo.CurrentCulture, CoreChannel.GetResourceString("Remoting_Ipc_CreateIpcFailed"), GetMessage(error))); } return new IpcPort(portName, handle); }
public static extern PipeHandle CreateNamedPipe(String lpName, // pipe name uint dwOpenMode, // pipe open mode uint dwPipeMode, // pipe-specific modes uint nMaxInstances, // maximum number of instances uint nOutBufferSize, // output buffer size uint nInBufferSize, // input buffer size uint nDefaultTimeOut, // time-out interval SECURITY_ATTRIBUTES pipeSecurityDescriptor //SecurityAttributes attr // SD );
public static extern PipeHandle CreateNamedPipe(string lpName, uint dwOpenMode, uint dwPipeMode, uint nMaxInstances, uint nOutBufferSize, uint nInBufferSize, uint nDefaultTimeOut, SECURITY_ATTRIBUTES pipeSecurityDescriptor);
internal static IpcPort Create(string portName, CommonSecurityDescriptor securityDescriptor, bool exclusive) { SECURITY_ATTRIBUTES security_attributes; if (Environment.OSVersion.Platform != PlatformID.Win32NT) { throw new NotSupportedException(CoreChannel.GetResourceString("Remoting_Ipc_Win9x")); } PipeHandle handle = null; string lpName = @"\\.\pipe\" + portName; security_attributes = new SECURITY_ATTRIBUTES { nLength = Marshal.SizeOf(security_attributes) }; byte[] binaryForm = null; if (securityDescriptor == null) { securityDescriptor = s_securityDescriptor; } binaryForm = new byte[securityDescriptor.BinaryLength]; securityDescriptor.GetBinaryForm(binaryForm, 0); GCHandle handle2 = GCHandle.Alloc(binaryForm, GCHandleType.Pinned); security_attributes.lpSecurityDescriptor = Marshal.UnsafeAddrOfPinnedArrayElement(binaryForm, 0); handle = NativePipe.CreateNamedPipe(lpName, (uint) (0x40000003 | (exclusive ? 0x80000 : 0)), 0, 0xff, 0x2000, 0x2000, uint.MaxValue, security_attributes); handle2.Free(); if (handle.Handle.ToInt32() == -1) { int errorCode = Marshal.GetLastWin32Error(); throw new RemotingException(string.Format(CultureInfo.CurrentCulture, CoreChannel.GetResourceString("Remoting_Ipc_CreateIpcFailed"), new object[] { GetMessage(errorCode) })); } return new IpcPort(portName, handle); }