63 Topics
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| | 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; …  |
| | Hi, as part of my project, i need to write code that actually implements the tcp layer functions. Could anyone tell me where i could get some idea on how to code the functions of tcp layer (i.e. I need to manage the transfer of data between the network and …  |
| | 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} … |
| | A service running in the Server is listening to port 2978 on 1xx.xxx.xx.xx for incoming connections! My PHP code receives URL data through get method. A tcp connection has to be established with the 'service' on that port and the data received from the URL should be sent to the … |
| | 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 … |
| | I've trawled the internet searchiing for an explaination on how to do this. I'm working on an assignment and we are told to "transmit a whole object to the server". As far as I know, the send function of winsock2 only allows you to send data of type char, so … |
| | 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 … |
| | Hello, I am developing an android chat application. It works well on the emulator. But from the android mobile(Using HTC), it doesnot receives UDP packets from other devices. But it receives well from the same device and also sends the packets well. How to make the application to receive the … |
| | i cant connect to my tcp server here is the partial code of my server [CODE]Public Sub New() InitializeComponent() server = New TcpServer(9988) clientCollection = New List(Of System.Net.Sockets.TcpClient)() End Sub[/CODE] and here is for the client [CODE]Try 'connect Dim hostname As String = "127.0.0.1" Dim port As Integer = 9988 … |
| | Hello guys, I need help to divert an application's traffic to a different IP (localhost for example). I heard that this can be added by making the application support sock5? maybe am wrong.. but I just need to divert an application's traffic to my local proxy server. Scheme: iExplorer -> … |
| | hi i need to write a program that connects to a device through Ethernet over the UDP protocal and get the data sent by the device. I tried using the .NET udp client methods but was unsuccessful. Can you guys help...this is my code.... [CODE] static void Main(string[] args) { … |
| | Hi, Recently, I've noticed on my home router (DLink DIR 635) a lot blocked connection attempts being logged to our Windows Vista machine - roughly one every 4-5 seconds. The destination port is always UDP 15126 but the source IP addresses come from a wide range of different sources - … |
| | I found a code on several websites for a UDP client and server ... when I run the code of both the client and the server on one computer, it works normally ... but one I work on two computers (one server and the other client), the sever becomes 'Not … |
| | OK, I've fashioned a UDP server situation by creating a socket and then using its Bind method to bind it to an endpoint. This application handles multiple incoming requests, and maintains state for each request based on the remote endpoint's ip address and port number. All of these, obviously, come … |
| | Hi, My webserver code is trying to send an image file over a TCP connection. However, the send() function is returning a -1 value with the error: Connection Reset by peer. I am using a web-browser to access the server so my guess is that the server is somehow sending … |
| | I am trying to send a udp query, the query works and I recieve -some- data back. However the string I recieve back is not complete, its cut short. If I send the same UDP query using netcat I get the full response. Must I increase the size of the … |
| | Hi, I am writing code for a webserver and am trying to send a html file called index.html over a TCP socket. How would I do this? At the moment I am trying to read the contents of the file and then send them over the connection. However, the page … |
| | I am working on a certain project ,and I want to send data from a windows application on a computer to another windows application on another computer , knowing that both computers could be anywhere (not together in a LAN network) ... I heard that it is possible through a … |
| | Hello, i've a server and client code in which the error i'm getting is: on deserialization- but when i checked the byte[] length after serialization that i send they are 1550, and then over the tcpclient when i received the byte[] it was 1448 in length... any help or suggestion … |
| | Hey everyone, I am developing code to accept TCP communcations from one computer to another. Basically from this forum, all I need is the ability to send a data string to the other computer. here is the code I have to do so. they both are the same application, but … |
| | This is the form.cs in my REMOTE SERVER [CODE=c#] using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Runtime.Remoting; using System.Runtime.Remoting.Channels; using System.Runtime.Remoting.Channels.Tcp; using Microsoft.Win32; namespace remoteserver { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, … |
| | Hi all, I am trying to build a ui application with thread for tcp server. I managed to build the tcp server itself using console (giving a welcome message when I telnet it), but when I copy the exact source code in WPF , I can not telnet it. The … |
| | I am trying to make an IP chat using TcpServer. As many people are behind a router, how would it be possible to connect to them directly? I know how to call up my external ip, and how to find out my internal one assigned by the router, but how … |
 | A most basic TCT connection is established with the code below: [CODE]// Initialization IPEndPoint m_IpEndPoint = new IPEndPoint(IPAddress.Parse("127.0.0.71"), 5000); Socket m_Socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); NetworkStream m_Stream = new NetworkStream(m_Socket); // Read/write operations m_Stream.Write(System.Text.Encoding.ASCII.GetBytes("Hello world!"), 0, 12); byte[] read_buffer = new byte[4096]; m_Stream.Read(read_buffer, 0, 4096); // Closing open resources …  |
| | Hello everybody! I have a game server (WoW). I want my players to download my custom patches to the game. I've done a program that checks for update/downloading things. I want my program to send a packet to my game server if player have all my patches. I dont need … |
| | Hi, I've got two programs (client and server) using sockets. The program are working fine if I set the client IP to local host (127.0.0.1) or the LAN IP (192.168.0.3), but can't connect if the IP is set to external Internet IP (92.24.xxx.xxx). Anyone have an ideea, please? Thanks! |
 | Hello, I have to take a snapshot of my screen and send the image to a client using Datagrams. I think my problem is at the client part. The image is null, and I don't know why. Here is the server part. I tried to send 534 byte packets (bigger … |
| | Hello, I built a chat application that uses sockets and TCP/IP protocol. The client is an applet. The problem is I cannot connect the applet client with the desktop server application. [I]If I run the applet inside the applet viewer in NetBeans it works perfectly[/I]. I even tried the applet … |
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