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);
}
