socket-example | Socket library

I am connecting to a server via TCP socket and sending in strings of data and expecting responses. The responses are unique to the request string and there are two responses per request. One that says the server completed an intermediate task and another indicating the task is complete. These tasks take up to about 20 seconds to complete. Note - I have no access to the server program/code its proprietary.

The client should be able to send in string requests anytime and sometimes fairly quickly. Requests could stack up and the client needs to wait for the unique responses to each request as they are received.

Assuming this needs an asynchronous client I am using the example right from the MS site.

https://docs.microsoft.com/en-us/dotnet/framework/network-programming/asynchronous-client-socket-example

Developing in a console app, I am able to connect and send string requests and I get one response back. The program then exits. New to async sockets I'm not sure how to keep the socket "alive" or open and randomly Console.Read new strings, send them, and get both responses as they are received.

Here is my client code.

In this example:

https://github.com/gorilla/websocket/blob/e8629af678b7fe13f35dff5e197de93b4148a909/examples/echo/server.go#L79

The WebSocket is created by:

I have tried both Client and Server Documentation from microsoft: https://docs.microsoft.com/en-us/dotnet/framework/network-programming/asynchronous-client-socket-example https://docs.microsoft.com/en-us/dotnet/framework/network-programming/asynchronous-server-socket-example This works fine but it just doesn't allow me to keep the connection with a reference to each connection so that I can keep sending data back and forth, tried googling alot but can't find anything related to the topic and couldn't really understand how to edit the code for that, Can someone do a demo or walk me through ?

I am building an Windows Form-based app that listens on a port and when it receives a specific command, it opens a window (Form) that requests input.

My problem is that even though I am using a delegated method to open the window, only the window furniture/border is drawn. The contents of the form are not rendered at all.

From searching other answers on S.O., there seem to be two causes for this:

1. InitializeComponent() not being called
2. Trying to open the window from a non-UI thread

It appears that #2 is my problem. When I compare the ManagedThreadId in the form constructor and from the callback delegate, they are different.

As far as I can tell from the docs, the delegate should ensure that the callback is run on the UI thread. Can anyone suggest why it isn't?

Below is a simplified version of what my code looks like.

The form

I am coding a simple chat in 100% PHP, that uses WebSocket (with no external library, like in this article).

Obviously, this requires a constantly-running PHP script / daemon / event-loop (similar to how Node.JS works), that we start with:

I use takielias Codeigniter websocket in my project for notification purpose, first of all i am noob for websocket handshaking connection and WS protocol, here every thing working as per the takielias github page documentation, in his git hub page after all setup, need to run cmd command for run server client connection command is php index.php welcome index after run this command in the project path websocket connection is switched and every thing is working fine in my local, after uploading on server there i can't run this command manually,

so i need a help with this, run that command and execute the socket connection, then i decide to run that command via php script, but i can't able to execute that command successfully in local, if any other possible way to make a socket connection with client please assist me,

I really Appreciate your help,

Sony's website provided a example to use WebSockets to works with their api in Node.js

https://developer.sony.com/develop/audio-control-api/get-started/websocket-example#tutorial-step-3

it worked fine for me. But when i was trying to implement it in Python, it does not seems to work

i use websocket_client

I have a requirement to send data asynchronously via TCP. It is a collection of strings ICollection.

I searched and found a good starting example from Microsoft (see below). The sample seems to be under .NET Framework, but I assume it applies to .NET Core as well.

What I am doing:

1. I am re-purposing the code as a non-static class

2. I would like to send a collection of strings ICollection. I know I can rewrite it to send the collection of strings in the main method. Not a problem.

3. I would like to receive a response for each message sent and do something with it. The current response is stored statically in private static String response = String.Empty;. I don't want it to be static. I want a local method variable.

4. My challenge begins from item 3.. How do I return back that response message that seems only accessible from within private static void ReceiveCallback( IAsyncResult ar )

   I do not think changing it to private static string ReceiveCallback( IAsyncResult ar ) would work. If so, how do I read it from client.BeginReceive( state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReceiveCallback), state);?

I put out a 300point bounty on a very old post for a similar question I found: C# Asyn. Socket Programming. Happy to award anyone who answers here, then there.

An additional question is: Is it recommended practice to open a TCP connection, send the multiple messages, then close it? Or to open a TCP connection for each message being sent?

Microsoft Example

I am trying to recreate Microsoft's .net examples for simple client/server communication in an c# uwp app. Later on I would like to send simple data from one app to another.

Asynchronous Client Socket Example https://docs.microsoft.com/en-us/dotnet/framework/network-programming/asynchronous-client-socket-example

Asynchronous Server Socket Example https://docs.microsoft.com/en-us/dotnet/framework/network-programming/asynchronous-server-socket-example

I haven't made any crucial changes but modified the ipHostInfo like this: