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Member Avatar for Labdabeta

Hello, I am having a bit of an issue with my networking addition to my game engine. The engine uses SDL to provide an event-driven programming environment. I tried adding networking functionality, but it doesn't seem to work. Here is the relevant code: //includes #if defined(_WIN32) #include <winsock2.h> typedef int …

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Member Avatar for Xsmael

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 …

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Member Avatar for cswong

I need some help to make AES work with UDP. I keep getting this error. Exception in thread "main" javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:750) at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:676) at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:313) at javax.crypto.Cipher.doFinal(Cipher.java:2087) at AES.decrypt(AES.java:31) at EchoServer.main(EchoServer.java:26) It seems that upon receiving the …

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Member Avatar for Vaspar

Hello, I have made android application which provides remote desktop administration, I used port 5556 and socket programming TCP. I have to forward this port from router on every computer is there any other way so I can use some open port to communication with android device?? Like TeamViewer doesn't …

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Member Avatar for desup

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 …

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Member Avatar for cemal21

Hi, I am developing a critical program for a company. I am not cheking the data which come from socket because I am not using UDP on my program. But can someone tell me please if TCP is exactly %100 secure for data verification. Some cheking algortihms works propely but …

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Member Avatar for albertHankock

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 …

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Member Avatar for thatscrap12543

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, …

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Member Avatar for nemzmiyaw

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 …

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Member Avatar for dsit86

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) { …

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Member Avatar for DeveloperX

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 …

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Member Avatar for bruno386

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 …

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Member Avatar for mariner92689

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 …

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Member Avatar for khairilz

i need help on programming networking.. i'm creating a winservice called HeartBeat. this service is to check if the gateway(list of gateway) is alive and able to do certain process( other application) and if it's down after certain tries, it will notified related person(email/sms/voicemail). We a doing terminal application for …

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