Networking is associated with creating and managing networks as well as adding network connectivity to a (set of) programs.
4
votes
2answers
81 views
Producer/Consumer implementation
I am using Netty embedded within Grails to process and display incoming SNMP messages. Since Netty 4 doesn't come with a built-in ChannelExecutionHandler I had to make my own and would like some ...
2
votes
0answers
54 views
Minecraft query tools
This is my first major PHP project and I haven't gotten much feedback and any feedback is appreciated! The quick rundown of the project is I wanted to learn how to use PHP and I wanted to learn about ...
5
votes
3answers
118 views
Client Sends XML, Server Parses XML, Queues Up and Executes Commands
I recently had a Java interview where I was asked to write a client-server application. I don't code primarily in Java, but with my preliminary Java knowledge, I thought I built a reasonable working ...
6
votes
3answers
231 views
How can I improve the performance of this concurrent http request loop?
I'm using the rolling curl library to fire http requests for content-length headers of images (we need to know their size to weed out placeholders and low res images). The image urls are stored in a ...
1
vote
0answers
98 views
Python urllib proxy access function - Coverage of possible proxy scenarios
Several of my Python 2.7 programs need to access server tasks via our server apache instance.
The 'client' programs will run on Windows in various environments. They may be run on systems that do not ...
2
votes
1answer
49 views
Optimizing an IP generation method
I have designed a proxy server which has the feature to manage miniature separate networks. Each network has space to have up to 500 nodes or 500 IPs. The code for getting a new virtual IP is based on ...
-1
votes
1answer
121 views
TV guide program and client server with sockets
I am fairly new to Python coding, although I have been coding on and off for 30ish years. I am sure I am writing Python with too much influence from the other languages, such as REXX, VB, and some ...
2
votes
1answer
108 views
Bash script to set up an ad hoc wireless network
This script creates an adhoc network using hostapd.
I have tested it and seems to work reliably.
I am new to linux networking and not sure if this is a recommended way to create an adhoc network this ...
1
vote
1answer
171 views
Find the single smallest IP network with the given IP addresses
I have a bunch of IP addresses. I want one IP network that has them all. ipaddr.collapse_address_list already exists, but that gives you a list of all the IP networks that identify your IP addresses, ...
3
votes
1answer
253 views
Object-oriented Linux networking library
I needed to perform network communications in my Linux C++ project. I thought that it was a good idea to operate on a higher level of abstraction than raw system calls. Also I love OO design. So I'm ...
2
votes
1answer
294 views
Qt QNetworkReply network reply timeout helper
Since Qt still does not support to set timeouts on QNetworkRequest objects I wrote this little wrapper class.
/**
Usage:
new QReplyTimeout(yourReply, msec);
When the timeout is reached the given ...
3
votes
1answer
186 views
Basic network utilisation display
I've got the following code to monitor the network usage on a network interface. I'm mainly looking for feedback on the design, but if you see any code improvements please let me know! This is also ...
1
vote
1answer
2k views
Receiving data from a network stream in c#
So was my first attempt at some network programming.
I basically have a couple clients built with c#, using System.Net.Sockets TCP connections connecting to a node server backend (first project in ...
2
votes
2answers
192 views
How is this for a “Hello World” of socket programming?
I was trying out the Beej's guide to socket Programming and wrote this. Is there anything that I am obviously doing wrong? Any potential for buffer overflows? Segmentation faults? Any possible errors ...
3
votes
1answer
218 views
Simple IPSec/tunnel setup script
I've developed a script to set up an encrypted tunnel between two Linux hosts, using iproute2, ssh and setkey.
The goal is to allow setting up ad-hoc secure tunnels with minimum of setup and ...
3
votes
1answer
214 views
lightweight packet sniffer review
This is a simple packet sniffer that turns on LEDs when there's network activity. It works by picking up filters in a configuration file and listen for activity in those filters. When there's a ...
5
votes
2answers
446 views
Better way to code download speed calcuation
I'm writing a program that downloads stuff from the internet. While the program is working fine, I want to get one critical part reviewed. I use System.Diagnostics.StopWatch object to measure the time ...
2
votes
1answer
86 views
Communication with GARMIN through WEB
I am developing a WEB based GPS system and one of its functionalities is to be able to send messages and routes to GARMIN devices.
I have never been using sockets before, and for some (obvious) ...
0
votes
0answers
83 views
Haskell network connection graceful handler
Just trying to work out some simple graceful connection handling code in Haskell to get my head around some of the IO/Networking/Threading stuff, some tips where I'm doing things poorly would be ...
2
votes
1answer
929 views
Get metadata from an Icecast radio stream
I am new to Python and not very familiar with advanced Python data structures.
I have written a function to receive data from a socket in Python and perform string manipulations on it. The basic ...
4
votes
1answer
4k views
C# Async Socket Server with Events
I have written the following code, I am quite new to C# and Sockets, so perhaps I have made some big mistakes that only more experienced eyes can detect. This is to be used in a Windows Mobile 6.1 ...
8
votes
2answers
17k views
Implementing a good TCP Socket Server
I'd like a code review on my very simple server application that validates whether the serial number retrieved from the client is a valid one or not.
Is there a better way to handle the start/stop ...
4
votes
1answer
932 views
C++ Code Review - Simple Socket class hierarchy
Lately I've been answering a few socket related questions on an other forum, they usually tended to be things like "how do i send a text file" or "how do i send a number" and I was a bit annoyed with ...
1
vote
2answers
158 views
Style and Best Practices for C99 Packetization Functions
I just spent some time putting together a simple protocol and implementation for packetizing byte streams (on GitHub here). The project is aimed at embedded systems that need a very lightweight way to ...
5
votes
3answers
4k views
Validate IP address in Java
Following is the code that I'm currently using to validate the user given IP address (IPV4 and IPV6). It makes use of apache commons-validator's InetAddressValidator. However, their function validates ...
7
votes
4answers
477 views
Alternate form of BufferedInputStream
I was having a problem with the TCP/IP socket communications in a web app where the server that the app was talking to would occasionally send bursts of data that would overflow the low level stream ...
3
votes
1answer
14k views
Two-way communication in TCP: server-client implementation
I have written some code to establish a client and server. I have managed to get a one way communication from client to server. I have added the code below. Can someone please have a look and see it ...
1
vote
2answers
478 views
How to access a servlet in Tomcat Contanier using Java
I have a servlet deployed in a Tomcat Servlet Container in this link, http://localhost:9764/example/servlets/servlet/HelloWorldExample. I want to send a HTTP request to that servlet using Java. Just I ...
3
votes
4answers
2k views
FTP Download Function
This is an function that downloads a single file from an FTP server and saves it to disk
This is my first time doing anything with FTP, please let me know if i have missed anything.
public void ...
1
vote
1answer
1k views
Review UDP hole punching client/server [closed]
If anyone has the time and inclination to review a little UDP hole-punching code at http://basyl.co.uk/code/punch/, I would be grateful.
The code works in general, but there is a small issue ...
4
votes
1answer
510 views
Simple TCP client - memory issues
Does this snippet take too much memory? How can I let the connection opened with the function connectTo outside the forever loop?
import Control.Concurrent
import Network
import System.IO
import ...
4
votes
0answers
2k views
C# SocketAsyncEventArgs send and receive
I been working on getting the SocketAsyncEventArgs to work the way I want it to work. Now I was wondering is this going to work how it should work?
/// <summary>
/// The settings to use with ...
3
votes
2answers
5k views
Is this implementation of an Asynchronous TCP/UDP Server correct
I am trying to implement a TCP/UDP server so all I have to do is something like this:
var server = new Server(Type.UDP, "127.0.0.1", 8888);
server.OnDataRecieved += Datahandler;
server.Start();
I ...
1
vote
1answer
368 views
Multicast Socket Configuration for Pub/Sub
I have a set of components that each need to both publish and receive messages using a multicast channel. In production, any one machine could host two or more of these components with 12 or more ...
11
votes
4answers
14k views
TCP Socket Server
I've only been coding C# a few weeks and was just hoping for a little constructive criticism of a socket server I've been working on:
using System;
using System.Collections.Generic;
using ...
