[client-server] [tcp-udp] Forum Topics

Hello. I am looking for a fast and reliable protocol for streaming big amount of small text data in real time (text strings might be between **20** and maybe **500** bytes long). I do not care about order and when they arrive, i care just to get them to my …

When working with TCP client sockets I often find myself frustrated with the lack of event-driven support. I usually end up writing a whole bunch of code to determine disconnects, reconnecting, etc and I figuired it's time to just write my own class for this stuff. I figuired I'd share …

Hi all. I'm working on a client server application, eventually to be a POS (point of sale) system. The model is something like, client (till) does not have access to the database, instead it sends data to the server application, which in turn deals with the database and any other …

Hi Guys! i need some help, and look i'm not sure if this the best place for this question or no. I have dedicated server, and inside of my server im runing VM with KVM (Qemu libvirt). everything is working how suppose to be, without any problem. But i need …

So I've always toyed around with C# code with the idea of gaming. Lately I've been dabbling in communication. Initially I tried sockets and TcpClient and that was hit and miss. So I decided to give pipes a go. Frankly I dont have much of a preference of one of …

I am developing Client-Server application in C++ using Qt framework, but the clients can be android phones and computers(Qt client app) Now i'm having troubles to handle Reception of data on the server side; the server is not receiving data properly. First, I got things working nicely between the server(Qt …

Hello all: Somebody, anybody, please please help. I am running the latest version of Fedora and below you will find the contents of /etc/httpd/conf/httpd.conf file. My problem is that when I try to view my site from the web I get the "Forbidden / You don't have permission to access …

I have some experience with client-server codes. TCP and udp client. I want to know how a stream socket works with HTTP. This client is for a server-client code where the greatest common divisor is calculated and displayed. #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <sys/types.h> …

My task bar in XP changed color to a pale green and the font size changed (I am paritally color blind, so color is a guess to a degree) from the normal blue. When that happens, the wireless internet won't work either. I have run all the programs that you …

Hello! I'm trying to code a C# server for flash apps, and I'm currently working on a broadcast function. When flash clients connect to the server they are added to the connClients list (List<TcpClient>), and with the following function I send the stuff to my flash apps: [CODE] public void …

so i created a client server program using tcp that works fine. but now i want to use broadcasting (which uses udp) so i'm changing to change my code but i keep running into problems. when i run my code the error message "ERROR binding: 10047" and that error means …

Hi, I need just simple help. Could you just give me a tip for some good TCP server/client library for Csharp? It should be easy to use, and can handle big data size. Because I was using a Netcomm library, and while sending Image bytes, It has god frozen. Thanks …

**edit** I just realized that Im on a single core machine atm (stupid work machine), so theortically the server isint actually executing on the CPU 50% of the time (while the client is running), so packets would be lost right? Or is there something else im missing alltogether? Ill post …

> this is my udp server code #include<iostream> #include<arpa/inet.h> #include<unistd.h> #include<sys/socket.h> #include<sys/types.h> #include<stdio.h> #include<string.h> #include<stdlib.h> using namespace std; void error( char *msg) { perror(msg); exit(EXIT_FAILURE); } int main() { int sockfd; sockfd = socket(AF_INET,SOCK_DGRAM,0); struct sockaddr_in serv,client; serv.sin_family = AF_INET; serv.sin_port = htons(53000); serv.sin_addr.s_addr = INADDR_ANY; char buffer[256]; socklen_t l …

I have this C++ network client program but it has an error. Here is the error: error C2664: 'wsprintfW' : cannot convert parameter 1 from 'char [128]' to 'LPWSTR' Here is the code: // Client program example #define WIN32_LEAN_AND_MEAN #include <winsock2.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #define DEFAULT_PORT 2007 …

I have been searching for the answer for 2 months, but still no success. Below the setup and connection string and all checked already. Firstly my errorlog file error = 18456 Severity 14 State 11 (Login failed for user OLDPC/GUEST. Token based server access validation failed with an infrastructure error. …

So I need to write an ping client and server for my networking class. Server code is running no problem but I'm a bit lost on my client code. I copy and pasted the server code because I figured it would be easier to modify.. Please check this out.....THE PROBLEM …

Good Afternoon, I'm new to socket programming, and the assignment that I have to do with Server/Client socket programming which I have to write server and client programs to send text across Transport Service Access Points (TSAPs) also known as TCP ports or Sockets. Your program can select any non-privileged …

Hello Helpers! My Compaq M2000 laptop has been a victim of a very silly mistake done by me. I've followed the steps given in the below link: http://www.daniweb.com/hardware-and-software/microsoft-windows/viruses-spyware-and-other-nasties/threads/134865/read-me-before-posting-a-request-for-assistance following are the logs for your persual: **GMER One.log:** GMER 1.0.15.15641 - http://www.gmer.net Rootkit quick scan 2012-03-20 22:48:27 Windows 5.1.2600 Service Pack …

Hi, I just want to know which is the best way to transfer files between clients and server. My server is accessed from client through internet. I found some results after googled as using tcp/udp/ftp... So , i just want to know which one is best and why ? . …

does tcp server accept udp client and how?

my professor provided us with the java program so we could each compile it and run it on our computers. heres what i get: socketProgramming$ java TCPServer <--------name of program - TCP Server program started. - Server welcoming at port #: 6789 im trying to connect to my professors terminal …

Hi there, I have this coursework to do and I don't know why my code is not working. Could you help, please? Many thanks. Task 1 You are to develop a UDP server, and Client, capable of transferring a file (worth up to 60% of total available marks for this …

Hello, and Thank You for taking the time to read this! A couple of days ago my laptop (running Vista Service Pack 1) started to play up, mainly the internet was redirecting me to ebay or some tacky advertising. So I tried to use AVG and found it dissapeared, then …

i have programming assignment which is to make UDP and TCP client now i already finished UDP ,TCP client and GUI now i want to make the command line class So the assignment tell me that "CLIENT: The client should read input from the command line: • -x <number>, where …

i'm a beginner for coding at java . net now i got a problem with input the port plz see the code [CODE]package test; import java.net.*; import java.io.IOException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; public class UDPCliet { final int buffSize = 10001;//buff size final int TIMEOUT = 3000; final …

So I was searching for that awesome pic of the anteater standing up saying 'f@ck you, I'm an anteater', for my wife because it is hilarious. Unfortunately, my AVG 'free' caught an issue, but it was too late. I noticed ping.exe in the task manager. Really appreciate you folks taking …

Hi everyone :) This is one of my first programs using C, so I am facing some issues. our professer asked us to develop a TCP socket (client/server) where the client sends lets say an ID,Name or Major and the server searches into a txt file and returns the line(s) …

Hi, networking is new to me in vb.net as I normally use third party components to do my networking like Winsock Orcas. However I want to make my own classes for networking. The following is what I have so far. It has problems. 1) Its disorganized...particularly the way I'm multi-threading, …

So, yes, what I am looking for is already posted, but I don't understand the logs and there is no answer, as well it seems like a customized answer for every user, and I don't think I can post my logs into someone else's to avoid confusion. A couple of …

Hi. I am having some trouble with my computer. Here is a quick review of issues...About a month ago my McAfee AV kept getting turned off. I could not figure out what was wrong. Nothing was found on any scans. I removed McAfee and got AVG free edition. It stopped …

Ping.exe is grabbing so much CPU time that I max out at 100% CPU. When I stop the process tree, ping.exe keeps coming back. Your help will be most appreciated. ATF Cleaner didn't run - got "Not Responding" in Task Manager. Got the following GMER pop-up: "Warning GMER has found …

I am currently having a very similar problem. I followed the directions in the sticky. Here are my log files from GMER and DDS I will follow up with Malwarebytes log when it finishes. My connection to my network has been acting up since this started as well it wont …

Thank you kindly for any assistance. After countless Google searches for help or info and nothing found I surrender to anyone who may help please. Ongoing for several months: Dual Monitor system - simultaneously both monitors randomly flash/blink (looks similar to a screen shot flash). This happens at system start …

Hi, i've a problem with my codes, when ever i run it, i got an error from the checking i implemented. Can some pls explain why does the error keep coming. [CODE]import java.net.*; import java.io.*; public class EchoClient{ static final int serverPort = 1026; static final int packetSize = 1024; …

I have a server to which clients are connected using TCP connection. All the clients broadcast to each other using UDP braodcasting.I want to disconnect one of the client from the UDP connections from server. what can be the possible ways to do this? please suggest.

Please help, something is wrong. I've been running Malwarebytes and AVG daily but something still seems wrong. My taskbar is beige as I type this and sometimes my speakers stop working. I don't have the malwarebytes log because I ran it before coming to this forum. Also when I ran …

I previously had AVG antivirus and SpyBot search & destroy on my computer. I recently uncovered three files on my C:\ drive that won't even let me access or delete them because they say I am not an administrator (I am, and have always been the only user on this …

Problem - Main - Clicking any Google Search result, results in redirect to random sites - NOT the site of the search result - search function not usable Secondary - computer has slowed to less than a crawl plus - recently, on boot-up, Avast reports that Microsoft Realplayer.exe is suspect …

I just noticed yesterday that I did not have McAfee Security Center installed any more. (beat myself up enough, thanks, but feel free to express shock and dismay.) When I looked on the pc yesterday morning, there was only a McAfee scan app in c:\program files\mcafee. I have had McAfee …

This is code for an internal forum, it works on my local server, but not the godaddy one i just purchased! phpinfo()s posted below: [CODE]<?php // forum.php :: Foro interno del juego.Version 1.0 define('INSIDE' , true); define('INSTALL' , false); require_once dirname(__FILE__) .'/common.php'; /* Este foro esta basado en el PHPBBs …

Hi all, I'm working on a C++ app that needs to communicate with a server. I was wondering if it would be possible to use Java for the Server, and C++ for the Client. I'm assuming it should work (without the use of JNI) because TCP packets are TCP packets, …

Hello, I´m currently developing an application which sends data to my Windows server. I already wrote the following code (server-side) [CODE]namespace server { public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); Server s = new Server(3000); s.ExceptionReceived += new Server.ExceptionReceivedHandler(s_ExceptionReceived); } void s_ExceptionReceived(exception e) { MessageBox.Show(string.Format("DateTime: {0} …

I am learning about networking in C# and to do so i am making a simple instant message server/client app. everything is going fine. i am currently testing it by inputting my own ip address as the target to send/receive on same machine. but, i can only send one message …

So I wrote a little remote control client/server based app to turn off my roomates torrent client at night (to avoid having to go into his room). I could have done this with remote software such as teamviewer or VNC but I don't need all the functionality that they provide …

My Windows xp SP3's taskbar doesn't work, my Avast Antivirus says that all modules are shut down and sometimes My Documents pops up when I log in. [COLOR="red"]My Malwarebytes anti-malware log (it's partly Finnish):[/COLOR]Malwarebytes' Anti-Malware 1.50.1.1100 [url]www.malwarebytes.org[/url] Tietokantaversio: 6628 Windows 5.1.2600 Service Pack 3 (Safe Mode) Internet Explorer 8.0.6001.18702 21.5.2011 …

Hi, I have a Vshare redirect that goes straight to vshare.toolbarhome.com/?hp=df when I open Internet Explorer. I thought I had got rid of it on Firefox as I edited the URL to about:home but when I input a search it goes straight back to the Vshare URL search link. I've …

This is the server code for the udp server/client program . There are no errors except when you run the program the ff error occurs: [COLOR="Red"]Exception in thread "main" java.lang.NullPointerException at udptry2.UDPServerbackup2.main(UDPServerbackup2.java:44) Java Result: 1[/COLOR] the client side works how it should just this part of the program [CODE] package …

This is a simple server/client program. What i'm trying to do is let the server send a message to the client, the client should receive this message and print this message on screen. When i run the program the server prints "Server start" like its supposed to but nothing happens …

I am currently running Window's Vista on my Toshiba laptop. I got the laptop for free from a friend and there seems to be quite a few issues with it. Problems: I get popups in new tabs constantly for registry cleaners and that I am infected with registry errors. I …