public static void Main() { Console.WriteLine("*** Named Pipe Server ***"); Console.WriteLine("Enter pipe name and press ENTER"); var pipeName = Console.ReadLine(); if (string.IsNullOrEmpty(pipeName)) { pipeName = "ChipID"; Console.WriteLine($"Using default pipe name of \"{pipeName}\""); } Console.WriteLine("Waiting for client to connect..."); // Server can only receive input with this pipe, it's not duplex. var pipeServer = new NamedPipeServerStream(pipeName, PipeDirection.In, 1); // Wait for a client to connect pipeServer.WaitForConnection(); Console.WriteLine("Client connected\n"); try { // For reading data from the client. var ss = new StreamString(pipeServer); while (true) { var tagId = ss.ReadString(); // Empty string received from client is the trigger to close the connection. if (string.IsNullOrEmpty(tagId)) { break; } Console.WriteLine($"Received tag {tagId}"); } } catch (IOException e) { // Catch the exception that is raised if the pipe is broken or disconnected. Console.WriteLine($"ERROR: {e.Message}"); } pipeServer.Close(); // Keep the console open for a while. Thread.Sleep(2000); }
private static void ServerThread(object data) { NamedPipeServerStream pipeServer = new NamedPipeServerStream("testpipe", PipeDirection.InOut, numThreads); int threadId = Thread.CurrentThread.ManagedThreadId; // Wait for a client to connect pipeServer.WaitForConnection(); Console.WriteLine("Client connected on thread[{0}].", threadId); try { // Read the request from the client. Once the client has // written to the pipe its security token will be available. StreamString ss = new StreamString(pipeServer); // Verify our identity to the connected client using a // string that the client anticipates. ss.WriteString("I am the one true server!"); string filename = ss.ReadString(); // Read in the contents of the file while impersonating the client. ReadFileToStream fileReader = new ReadFileToStream(ss, filename); // Display the name of the user we are impersonating. Console.WriteLine("Reading file: {0} on thread[{1}] as user: {2}.", filename, threadId, pipeServer.GetImpersonationUserName()); pipeServer.RunAsClient(fileReader.Start); } // Catch the IOException that is raised if the pipe is broken // or disconnected. catch (IOException e) { Console.WriteLine("ERROR: {0}", e.Message); } pipeServer.Close(); }
public ReadFileToStream(StreamString str, string filename) { fn = filename; ss = str; }