Questions tagged [socket]

An endpoint of a bidirectional inter-process communication flow. This often refers to a process flow over a network connection, but by no means is limited to such.

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5
votes
1answer
43 views

Parse string into a struct

I'm writing a C application for the Networking course at the University. Basically it's a UDP server that can receive two commands: GET key SET key value That are ...
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0answers
50 views

A program that takes information from a client and turn it into a file in the Server using Sockets [closed]

Made this Java program recently. it gets an input from the client. The first line specifies the the file name that you will use. The second line specifies what you want to put in the file. I have been ...
5
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1answer
260 views

Server in Python

I'm looking for a code review and code improvement for my own small server. The server accepts the requests: User Join,User Leave,User Text Notify Group Join, Group Leave, Group Notify Request Time. ...
2
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1answer
65 views

Finding the class to which the IP address belongs

I have tried the code for finding the class of the IP address the user inputs, and printing the network and the host bits in the IP address. Could someone please review this approach and provide ...
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0answers
72 views

Chat using async Python and sockets

I am trying out websockets using the python async framework aiohttp. Basically I have created a game which will include multiple ...
4
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1answer
67 views

HTTPS proxy server in Rust using the CONNECT protocol

I'm a Rust newbie. As a pet project, I decided to implement a simple multi-threaded HTTPS proxy server in Rust which uses the CONNECT protocol. I have tested the code below using my browser. ...
2
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1answer
65 views

Encrypted Online Rock Paper Scissors Game

I made an RPS Game with python with the Crypto and socket modules. I would like you to look at the code and tell me if anything ...
2
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1answer
25 views

Python Socket programming chat - getting a handle on PEP conventions

A while back I wrote a socket programmed chat in Python. This question isn't really about the program specifically, moreso on conventions of Python and my style of coding. I've only been using Python ...
0
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1answer
91 views

A common class for Client and Server [closed]

I have written this code to use TcpClient both from a client program and a server program. Can you review this source code? Kindly, take a close look at ...
0
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1answer
56 views

Basic asio framework using epoll

I created an asio framework using epoll. Full project: https://github.com/arkceajin/EpollSocket.git I wanna know is there any potential issue. Below is the core ...
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2answers
344 views

Adding a cancellation token to TcpListener.AcceptTcpClientAsync()

There is no facility in TcpListener (or for that matter Socket) to close a listening socket that is waiting for a connection without throwing an exception. After running up a test bench with 8 ...
12
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3answers
1k views

Correctly applying the “rule of five” to a RAII socket wrapper

I was trying to create a simple RAII wrapper with rule of 5 for a TCP POSIX socket. My aim was to try learn how to apply rule of five in different situations, but this one was somehow tricky. ...
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0answers
38 views

Log tailing socket server

Each client application would send a filepath and search term to the server. The server then takes that file path reads the file and returns any lines that contain the search term, the server then ...
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0answers
37 views

Application uniqueness and unilateral IPC on Unix

This program Detects application uniqueness, if the application is a unique/primary instance, it launches a server, otherwise a client over a Unix domain socket. Client will send a message that will ...
3
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0answers
48 views

one-thread blocking approach for socket tcp multi-client server

my use-case (an home task to practice abstraction, exception handling, unitests) is regarding a message-queue with small-fixed-size client requests from stdin of such: [ENQ] data (insert json ...
6
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0answers
114 views

Single-threaded fully asynchronous server, with a SocketSelector that dispatches events

I need a fully asynchronous single-threaded server written using .Net Core. Searched for options and, surprisingly, did't find any. So I decided to write a simple prototype. Borrowed idea from python'...
3
votes
1answer
104 views

Java Networking Framework

So I've just written a framework that is supposed to make it easier to create a network-based application (client-server) using the native java.net package. I was wondering if the structure of my code ...
2
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2answers
361 views

Server and Client programs for guessing game

I recently had to complete this for a school assignment and I really enjoyed it, but was hoping someone with experience in OO design or maybe just Java in general could have a look and point out ...
5
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1answer
118 views

Streaming Messages to multiple Clients

I wrote a server-client application in Python where the server sends a never-ending stream of messages to connecting clients. I was in need for such an architecture since I want to retrieve and ...
3
votes
1answer
117 views

Capsulation solution for byte arrays

In a part of the project, I had to implement a solution for encapsulation of byte arrays. We do use ssh and secure ports for socket connection but I was in need of an extra layer of protection against ...
2
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1answer
63 views

Java file transfer through sockets

I am making a program that transfers files from one client to another. Right now I am just working on sending the file to the server and then later I will work on transferring it to the other client. ...
4
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4answers
1k views

Unix chat server making communication between terminals possible

This Server handles clients communicating with each other. Because I was not willing to actually give every client a name, they are named by their socket's file descriptor. This is my first ...
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0answers
282 views

Some questions about a simple asynchronous socket client [closed]

I am having a hard time to come up with a simple TCP client, that should use one socket and two threads (one for sending and one for receiving). As using TPL tasks is the way asynchrony should be ...
4
votes
1answer
56 views

Send / receive wrapper for System.Net.Sockets - follow-up

I recently posted a question about improving thread and socket safety in my NetworkEndpoint class. previous post I have implemented the changes suggested in the answer I got there. When I asked for a ...
6
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1answer
125 views

Send / receive wrapper for System.Net.Sockets

The following NetworkEndpoint class serves as a simple send / receive interface for either side of a network connection (client or server) when provided with a ...
3
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1answer
68 views

Small socket based packet Library

I'm currently writing a python script which needs some simple networking. After some playing around with sockets, this emerged, but as this is my first foray into sockets I'd really like a second ...
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0answers
702 views

C++ network stream

So, I'm new to socket programming. I wanted to get started learning, and start making stuff, but was really surprised to find out there was no standard C++ network library yet. I'd have to look for a ...
2
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0answers
37 views

Rust HTTP Requester

I am writing an HTTP client for terminal, similar to curl, as a learning exercise. There's one limitation it suffers from and that is that it won't return until the client closes the socket. I fixed ...
2
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0answers
47 views

Simple Socket Server in C for Windows

I have taken the code from a tutorial of Microsoft webpage. Of course, the example is for illustration only but I wanted to organize it and make it clear in order to understand it a little more. Here ...
14
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3answers
2k views

Simple HTTP Server

I'm working on a project (studying) and I have a lot of time for proof of concepts and write something from scratch. Basically I'm creating an HTTP server (simple, but not too simple) in C++ using ...
3
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2answers
1k views

C++ protocol for sending arrays over TCP

As someone who has programmed in C for a long time, I have just written my first C++ program and feel it would be very valuable to get a review of the code, to see what features of C++ I could make ...
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0answers
34 views

Java local service with sockets

My goal was to create a Java service on Windows that runs locally and communicates with local programs using JSON. The service should be reliable and robust. The service runs a ServerSocket and ...
8
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1answer
608 views

Python scanner for the first free port in a range

I have a distributed application (YARN), which runs a WebApp. This application use a default port to start (8008), before I start I need to check if port is in use. A container may run in the same ...
2
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0answers
136 views

Simple Go Linux daemon to send/receive gob-encoded data on a socket

I'm currently working on a linux daemon and would like some feedback. The program is a simple unix socket server that sends around gob encoded messages. I'm still getting the hang of concurrency in go ...
3
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1answer
1k views

Socket chat room made with Tkinter Python

This is a real live chatroom that I have made with Tkinter I posted a question before about making a chatroom but the problem that I had with that one was that only one user could connect to the ...
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0answers
45 views

Socket sending/receiving data

I am a beginner in Android and this is my first big project in it. I am trying to communicate with an STM Discovery board using an ESP01 module. Below is the client connection class ...
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2answers
90 views

Creating a dict with external and internal IP addresses provided a list of candidates

I created a function that finds internal and external IP addresses, returns them in dict with the keys external_ips and local_ips...
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0answers
80 views

Web server using syscalls in Go

I'm new to Go and wanted to implement a web server using system calls to get a better feel for how everything works. I'm looking for feedback on idiomatic go especially error handling and using ...
6
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2answers
2k views

Socket chat room in Python

This is a Python chat room that I've been working on and it enables to you to chat to other people on the same network through Python. Server.py: ...
3
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0answers
511 views

TCP client reading socket asynchronously

I'm relatively new to .Net/UWP networking and have been trying to make sense of the APIs. I'd like to implement a TCP client that is capable of reading and sending messages independently (there is no ...
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0answers
33 views

Back-end web framework with sockets

I recently became interested in back end web frameworks in python, but I didn't want to use django or flask. (I want to make something similar to django or flask) So I decided to make my own. This is ...
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1answer
81 views

Android TCP server that maps data to an object and sends it to a service

This is a code for an android thread. This is a tcp server and gets data from socket, maps it to an object and sends that object back to the main service. If there is anything I'm doing wrong or if ...
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0answers
41 views

Managing multiple sockets in a network client in Python

I'm writing a small FIX client in Python (2.7, constraint I cannot waive for now, unfortunately). There will be multiple sockets, connecting to different ports, so I thought I'd create a ...
1
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1answer
1k views

Python Making Bruteforce Password Crack Faster

I made a simple password cracker using Python. But it's extremely slow. Here is my code: ...
2
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1answer
85 views

Await socket Response

I wrote this to make the "callback hell" more manageable on the part of the coder when using Socket IO, so that there wasn't really any callback hell to go with, just a simple await. This should work ...
3
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2answers
976 views

Simple multithreaded chat server in Rust

I'm trying to develop a simple Rust chat server. I'm not a Rust expert and come from Java and Kotlin. This same server in Kotlin is: ...
5
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1answer
76 views

Socket client-server app for exchanging sine-wave points

I wanted to try C# network programming and wrote this simple client/server application. The idea is - many clients can connect to server and request some data. As an example they request a set of ...
5
votes
1answer
13k views

A Simple C++ Client That Sends Data Over TLS Using OpenSSL

I am learning C++ and socket programming and OpenSSL. As such, I decided to make a simple client that opens a TLS connection and writes some data as practice. It also serves as a base for more complex ...
1
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1answer
2k views

Multithreaded non-blocking tiny echo server

I wrote this code to make a non-blocking server without using select(), my main concern is to catch as many exceptions as possible for worst case scenarios (so I ...
2
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0answers
206 views

Gomoku game with socket client(multithread) and server

I've write a gomoku terminal game with socket client and server. The main suggestions I am looking for: Am I using the multithread in right way? As when I tried to migrate the terminal game to GUI(...

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