All Questions
Tagged with named-pipes asynchronous
33
questions
0
votes
0
answers
23
views
Latency in Write to stream is very high when peer NamedPipeStream(C#) is async
I have NamedPipeServerStream object which is synchronous while the NamedPipeClientStream objects are asynchronous type. In the past when both the sides of the pipe instances where synchronous the ...
0
votes
1
answer
1k
views
Why is reading a file asynchronously (with aiofile) so much (15x) slower than its synchronous equivalent?
I'm experimenting mit named pipes and async approaches and was a bit surprised, how slow reading the file I've created seems to be.
And as this question suggests, this effect is not limited to named ...
- 9,584
3
votes
2
answers
355
views
Reading named Pipe using overlapped/asynchronous i/o
I have a real old code from a service that uses named named pipes in message mode (PIPE_TYPE_MESSAGE) with overlapped i/o (FILE_FLAG_OVERLAPPED).
The code does the following:
ReadFile for 4 bytes ...
- 15.3k
0
votes
1
answer
298
views
CPU usage/ speed tradeoff when reading from a named pipe in python
I want to read from a pipe asynchronously in python. The pipe is fed continuously from another process (a javascript process). I am using pipes for a matter of speed.
I don't want to loop and see if ...
- 59
0
votes
1
answer
734
views
How to create and delete NamedPipeServerStream in Powershell?
I was struggling with a scenario where I had one process running as admin and another process running as non-admin user. The first admin-process should open a pipeStream to allow the other process ...
- 1,959
0
votes
1
answer
81
views
how to send data at any moment ( simultaneous ) in windows?
I want write a namedpipe client in windows OS, which can send data at any time even the client is receiving data.Example of MSDN only shows that sending data after receive something.And the serial ...
- 446
7
votes
1
answer
1k
views
CancellationToken not working with WaitForConnectionAsync
NamedPipeServerStream server=new NamedPipeServerStream("aaqq");
var ct=new CancellationTokenSource();
ct.CancelAfter(1000);
server.WaitForConnectionAsync(ct.Token).Wait();
I would expect the last ...
- 2,136
0
votes
0
answers
935
views
Named Pipes not working for asynchronous duplex communication
Somehow I am not able to get named pipes work for duplex communication between client and server for .Net app.
Duplex communication works fine when I go for sequential messaging, but when I make it ...
- 102
1
vote
0
answers
2k
views
C# Why is my named pipe read() method not blocking?
I have a method in which I intend to use namedPipeServerStream.Read() to read messages multiple times. The pipe is started with the Asynchronous property set to true, because I don't want the wait ...
- 459
2
votes
0
answers
865
views
Correct way to timeout asynchronous namedpipes in C# .net environoment
I have a process that might have multiple instances running at anytime. Each instance should only run for several seconds at most. A process might have to pass data to an earlier started instance, or ...
- 459
0
votes
1
answer
605
views
ReadFile using NamedPipe blocks though using overlapped
I am using NamedPipes to communicate between different modules of our windows application. At one point it is possible that a read operation could take long time so we would like to add a timeout.
I ...
- 2,056
1
vote
1
answer
60
views
How to inherit non-inherited attribute in c#
Here is my situation:
I have a base class and 70 delivered class that are inherited from
this.
I am implementing WCF named pipelines and these 70 class will be the
clients.
Need asynchronously ...
- 3,951
3
votes
1
answer
2k
views
C# async named pipes wait for ever
I am using asynchronous pipes and at some point both the server and the client wait for each other and do nothing. Here is my code:
Server:
var buffer = new byte[BufferSize];
using (var server = new ...
- 4,542
5
votes
1
answer
5k
views
NamedPipeServerStream.BeginWaitForConnection fails with System.IO.Exception: The pipe is being closed
I have written a simple async NamedPipeStreamServer process in C#, the heart of which is:
public void Listen()
{
bool shuttingDown = false;
while (!shuttingDown)
{
...
- 1,191
28
votes
3
answers
16k
views
c# Full Duplex Asynchronous Named Pipes .NET
I am trying to achieve a full-duplex client-server communication scheme, on 2 different machines (only), where each end-point (client or server) can send stuff at any time, asynchronously (non-...
- 1,623