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Questions tagged [asyncsocket]

Asynchronous sockets allow for multiple simultaneous non-blocking socket connections.

Asynchronous sockets allow for multiple socket connections within a single thread. While more complicated than synchronous sockets, asyncsockets allow for more efficient use of cpu scheduling. These connections are non-blocking, which allows the main program thread to continue running, while a socket thread manages network traffic.

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ZeroMQ pattern for load balancing work across workers based on idleness

I have a single producer and n workers that I only want to give work to when they're not already processing a unit of work and I'm struggling to find a good zeroMQ pattern. 1) REQ/REP The producer is the requestor and creates a connection to each…
Arne Claassen
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How to set a timeout value on StreamSocket's ConnectAsync()?

In the Windows Phone 8.1 app I had to create my socket as follows. How can I change it so that it will timeout after a period that I can specify? _socket = new StreamSocket(); await _socket.ConnectAsync(hostName, port.ToString(),…
DaveDev
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Socket.Shutdown throws SocketException

I'm trying to implement async sockets for my project. Here's the code public void Start(int listeningPort) { var ipHostInfo = Dns.Resolve(Dns.GetHostName()); var ipAddress = ipHostInfo.AddressList[0]; var…
Davita
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SocketAsyncEventArgs buffer is full of zeroes

I'm writing a message layer for my distributed system. I'm using IOCP, ie the Socket.XXXAsync methods. Here's something pretty close to what I'm doing (in fact, my receive function is based on…
Carlos
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AsyncUDPSocket broken pipe after locking phone with application suspended in background

I'm using the AsyncUDPSocket third party library in my iPhone app and for the most part it works great. I have a singleton instance of an AsyncUDPSocket that I use for all my network traffic. My app is registered for location tracking in the…
Kongress
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Socket.BeginReceive: Timeout if data doesn't come through?

I'm doing a variable-length message receive similar to this question where the length of the body of my message is specified in a header, and I async-read the body in a loop until it's all been transferred. However, due to the network sometimes this…
Anthony Tsaukpaetra
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C# Async TCP Server overkill?

This is really an implementation question so I feel it's best to start with my specific case. I've got a C# server that listens for TCP connections asynchronously from mobile clients. When a mobile client connects a new thread is started, the…
zkwentz
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Using AsyncSocket with secondary threads on the iPhone

I use AsyncSocket on the iPhone to communicate with a server. AsyncSocket is based on run loops but my app is based on threads. That means, I start a new thread to write data and wait until a response is received on the same thread. But I can't call…
Arthur
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how to handle tcp client socket auto reconnect in python asyncio?

I am using python asyncio streams to connect to several socket servers, but when the server is down, my code can't auto reconnect. What I need is that, when the server is down, my script will try to reconnect every 5 seconds, until connected and…
Desmond Chen
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How to receive data from server through socket in iOS?

I have an application in which i have to send data to server using socket connection and read data which will send by server. I am using AsyncSocket class for write and read data. I got success to write data on server and server can see the data…
Birju
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Boost.asio and asynchronous chain, unique_ptr?

I am not deeply familiar with async programming and I have a question. My question is the following. Given the echo_server example here for C++11 in boost.asio:…
Germán Diago
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Set timeout for boost socket.connect

I am using boost::asio::connect on a tcp::socket. When all goes fine, the connect returns immediately but on a poor network, the connect times out after a log wait of 15 seconds. I cannot afford to wait that long and so want to reduce the timeout.…
BTR Naidu
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Memory Issue with async socket and begin Send

I noticed the today that my one application im developing is seriously growing in memory. So I did a Visual Studio Memory Profile and I found the following results: Function Name Inclusive Allocations Exclusive Allocations Inclusive Bytes…
Zapnologica
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How to implement voice chat in cocoa?

I have made a simple chat application using AsyncSocket class where client nodes can send message to each other via chat server application. I want to integrate voice chat functionality in it but I am not getting any material over net which can…
Devarshi
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WebSocket Chat Async Example Crash

I have been trying to run the websocket chat example provided here on an Apple Mac. https://github.com/unbit/uwsgi/blob/master/tests/websockets_chat_async.py But running this example results in a segfault in uwsgi. I have copied pasted this example…
remudada
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