Questions tagged [networking]

Networking is associated with creating and managing networks as well as adding network connectivity to a (set of) programs.

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0answers
731 views

Wrap location API in coroutines

In my app I need to query location and scan wifi periodically. To conserve power I need to change the rate dynamically, depending on the distance to the target. Also I want to wait for both ...
6
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4answers
31k views

Pinging a list of hosts

I have a simple script that will take a list of hosts and ping each host (there's about 200) a single time before moving on. This is not the most effecient method I am sure, as it is very linear. And ...
2
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2answers
161 views

Getting metadata from MusicBrainz service

I've written a program which does the following things: calls third-party utility to get mp3 file fingerprint asks MusicBrainz IDs from AcoustID service asks metadata from MusicBrainz for each ID I'...
2
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0answers
34 views

MAC address-based presence detection

This code integrates with dweet and freeboard to produce a dashboard display of which occupants of a house are probably at home, based on the presence or absence of their phones' MAC addresses on the ...
9
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1answer
21k views

Pure Swift solution for socket programming

I have spend quite some time now to find out how exactly to do socket programming in Swift (Xcode 6.1). There are a few examples out there, but most of them no longer work for the latest release of ...
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0answers
12 views

Basic Erlang chat server

Newish to both network programming and Erlang, and I'm not familiar with the best practices of either. I wrote a simple chat server to try and educate myself. If anyone could tell me how to improve ...
5
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0answers
71 views

Simple chat server in Python

I'm new to both Python and socket programming and figured setting up a simple chat server would be good practice. In addition to general critiques of the code, I have specific questions: What are the ...
4
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2answers
76 views

Simplified Windows' tracert command

I wrote a simplified versions of Windows' tracert command as an exercise and to learn about TTL in packets. It shows the path that your internet traffic will (...
4
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1answer
101 views

Boost.Asio Server and RAII

I am trying to implement a network server application in C++ using Boost.Asio. Here are the requirements I am trying to meet: The Application creates only one instance of ...
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1answer
65 views

Networking library for c++ linux

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1answer
47 views

Feedback on send/recv functions for non blocking sockets in client side HTTP library

I'm working with TCP sockets in C, specifically only for client side HTTP(S) requests, and would like to get some feedback on my send and recv code. You can make some assumptions regarding my code, as ...
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0answers
41 views

ARP Spoofer to Set Up MitM and DOS attacks

This code "poisons" the ARP cache of victim computers. Given the IP addresses of hosts A and B, it will trick A into thinking that you're B, and B into thinking that you're A. This means ...
4
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1answer
60 views

Assemble network packet on stack for iovec

The recurring problem to assemble a network packet out of payload, sequence number, header, and other misc. information is mostly solved either on the heap (e.g. appending to a ...
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0answers
91 views

Simple SYN Port Scan Using Scapy

I decided to try writing up a port scanner to develop my understanding of Scapy. Here's a timed example of its use. The first two arguments are the address and range of ports to scan: ...
7
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2answers
6k views

Add and enable/disable Windows Firewall rules with Python

I have this following module using for adding and enabling/disabling Windows Firewall rules using Python. I currently use subprocess.call to execute the ...
3
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2answers
214 views

Build byte array from multiple different types of data for sending over a network

The following codes purpose is to generate an array of bytes that represents some user defined data. This array of bytes will later be used for sending over a network. ...
9
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3answers
167 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 ...
4
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0answers
147 views

Clear-net browsing with Lynx over Tor

This project is designed to enable clear-net browsing over the Tor network with the Lynx web-browser. Currently everything seems to be functioning as intended, however, it would be most appreciated if ...
2
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3answers
128 views

I want to take away WebService call from UIViewController

I am using Moya to make network calls in Swift. In my ViewController I am calling the WebService and creating a model from response. ...
4
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2answers
463 views

Implementation of portscanner for a host

I have tried to check whether the ports of a host from port 0 to port 1023 is open or not. Could someone please review this code and provide feedback. ...
2
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1answer
69 views

Serializable and extensible API implementing the Command Design Pattern

I am currently trying to implement an extensible way to create commands that can be sent to some type of executor. In my case, there would be two of them (server and client). As I posted here, I had a ...
2
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1answer
92 views

Asynchronous TCP network server with a packet system

So I'm writing a game emulator and would like some advice after finishing the networking. It is designed to accept multiple connections, and process messages from all of them. Here is just a brief ...
3
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2answers
767 views

TCP Packet design

I'm implementing a client/server app using JSON (as String) via TCP/IP. String --> Packet --> byte[] --> tcp/ip --> byte[] --> Packet --> String ...
0
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1answer
100 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 ...
4
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0answers
39 views

python network test application

I am working to a python application for some operational test on a Arista brand Network (more info here: https://gitlab.com/networkAutomation/pyateos) I am the only one doing coding in my team so I ...
1
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1answer
41 views

Java implementing task on another thread with javascript-like promise resolve-reject

Background: I have a TCP online multiplayer game server, which the player requests to log-in. However, the game server does not handle the authentication part of the login process, instead, it uses ...
2
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2answers
194 views

ICMP ping all hosts in a range

I'm creating my own little toolbox for pinging IP interfaces (for the test, only in localhost). In the future I'm thinking of piping the output to a text file. But I'd like to focus on improving the ...
10
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0answers
3k views

Socket application using TPL

This is an application I wrote that allows multiple TCP clients to share a single TCP connection to a remote server (hosted project, and a demo). Traffic generated by the server is forwarded to all ...
7
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1answer
3k views

Non-blocking TCP and UDP in Unity3D Game Engine

I would like constructive criticism of a networking plugin I've written for Unity 3D. The use-case of the code is for people in "creative coding," where simple TCP and UDP messages are used for ...
3
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1answer
74 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 ...
2
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0answers
16 views

Auto re-connecting to a VPN on OS X and pointing Squid accordingly

We need to tunnel certain applications over a VPN at work. Ideally we would use a dedicated firewall/network appliance for this but the only permanent infrastructure we have are Mac Pro's running ...
3
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1answer
99 views

Token Bucket context manager for rate limiting async calls

I've written a class that implements something akin to the token bucket algorithm so that I may rate limit aysnc HTTP requests made from my application. The code works but I'm still not sure if it ...
6
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1answer
130 views

Java objects for a network sniffer program

I'm working on a network sniffer program, whose structure uses 3 main classes: Frame Class - One per monitored frame, holds reference to all the other sub frames Parse Class - Holds the hex value of ...
3
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0answers
43 views

Network connection monitor

I was recently in need of a class that checks if a computer has a valid internet connection, so I wrote one; however, I feel that there is a better way to do so and I just don't have the knowledge ...
3
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1answer
43 views

Network programming - asynchronous, single-threaded, nickname-only chat server

I am starting to learn network programming. I have implemented a very simple chat server based upon TCP, where the users only need to provide username. The assumption is that the server makes use of ...
2
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1answer
119 views

Script to get available IP automatically

Recently I made a script to get available IP automatically. I was woundering if anyone can give me tips on how to make this code look better, preferably in a class and OOP. I'm gonna show the code to ...
5
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2answers
393 views

CloudFlare Dynamic DNS Update Script in Python 3

I have a computer that roams, but needs to have an FQDN attached to it for certain reasons such as email system integrations or testing email via a testing SMTP server that requires valid FQDNs and ...
5
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1answer
781 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 ...
2
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2answers
863 views

Simple subnet calculator and parser

I have started to learn Java for the past 20 days with no prior coding/comp science experience. My brother gave me an idea to make a subnet calc/ping tool to enhance my knowledge and mentored through ...
7
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1answer
1k views

Log probe requests of WiFi devices

I developed a program that collects probe requests from WiFi devices. It already works but I think that a programmer can improve it. ...
4
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1answer
57 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
159 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 ...
2
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1answer
393 views

C# Async/Await networking server

I made a simple async networking server and I'd like to get some input on the code, whether things can be done better and whether the code is stable (able to hold more than 1000 connections without ...
8
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1answer
650 views

Traceroute implementation in Rust

I made this simple traceroute implementation using the libpnet library, which sends ICMP echo probes with an increasing time-to-...
24
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1answer
18k views

UDP Network server/client for gaming using boost.asio

I've designed those classes for use in a multiplayer game with possibly very high number of clients for one server. Is this implementation good, or is there something obvious I overlooked or something ...
5
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1answer
274 views

Enum for handling network request errors in Swift

I'm working on a new API written in Swift 5 and I wanted to play with the new Result. I wanted to know what you guys think about this syntax: ...
3
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1answer
79 views

API for multiple printer attributes [closed]

I have network printers which have different attributes (e.g. supported network protocols, languages, status, print modes). ...
10
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2answers
9k views

Simple IRC Bot in C#

This was a simple IRC bot I threw together a long time ago, found recently, and was curious as to if there were any kind of significant improvements that could be made. ...
8
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1answer
1k views

TCP client and server API

I made a server and client API for TCP connection. It is intended to shorten the work you need to do to prepare the server and client. It's separated into 3 projects - ...
8
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1answer
1k 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 ...

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