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A C# SMTP server (receiver)

by ObiWan_MCC

A C# SMTP server (receiver).

by Florian Rappl

Creating a highly extensible presentation app with multi-user and device integration for tablets.

Reverse Tunneling / Port Forwarding with Node.js

by _m0n

Connect to PC with no public IP using Node.js app for reverse port forwarding / tunneling

Using Sec-Websocket-Protocol

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Example server and client using different protocols over a Websocket (php/js)

Latest Articles

How to Implement and Use Awaitable Sockets in C# using TAP

by honey the codewitch

Explore adapting Socket's async model to a task based one and adding some awaitable socket operations to your projects

A Wrapper for std::vector

by Greg Utas

Replacing its erase() function

Windows Sockets Streams

by Mircea Neacsu

C++ streams for socket communications in Windows

Reusable Multithreaded TCP/IP Client and Server Classes with Example Project in VB.NET

by pdoxtader

A multithreaded server class that accepts multiple connections from a provided client class. Each client can send and receive files and text (byte data) simultaneously along 250 available channels.

All Articles

Sockets

Sending Intel bin file using socket programming c#

10 Jun 2010 by #realJSOP

Using google ("c# send binary file with sockets"), I found this:http://socketprogramming.blogspot.com/2008/11/split-and-assemble-large-file-around.html[^]

[C#] Own protocol communication

6 Feb 2011 by #realJSOP

You picked a programming project for your thesis, and you don't even LIKE programming? Beyond that, writing a thesis involves YOUR OWN research, not ours. research it, LEARN how to do it, and then write your thesis.

Need help to develop Stock Market Simulation system

18 Feb 2011 by #realJSOP

Really? Evaluate the requirements, decide on your supported platform, and choose the appropriate language/framework. Analisys part of learning how to be a programmer.

write a program has both client and server functions

14 Nov 2011 by #realJSOP

Yes.

Please can anyone provide demo or link for socket programming in WCF for chat application

18 Aug 2016 by 09andy

Hi Friends,Currently i am facing problem with socket programming in WCF services for chat application. I have done lot's of R&D on it but not getting successes. So please it is my humble request that if any one have any demo or links related socket programming in WCf services for chat...

sockets client+server with await/async c# 5.0

30 Apr 2014 by 123456789igor

Hello, i try to write a simple asynchronous client/server apps. I know how do it using callback, but i want to invistigate how write client+server using await/async and c# 5.0. Please, help me. It should be simple. Only connect and transfer some bytes.I know that this can be done using...

sockets client+server with await/async c# 5.0

1 May 2014 by 123456789igor

Connect success. But how to send bytes, i don't knowprivate readonly Socket _server; public ServerSocket(IPAddress ipAddress, int port) { _server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); _server.Bind(new...

sockets client+server with await/async c# 5.0

1 May 2014 by 123456789igor

now server can send to client array of byte. But client recieved only 1 iteration. How i can do, that if client connected then it always recieve information from server?Server:public ServerSocket(IPAddress ipAddress, int port) { _server = new...

Connecting to Socket behind a Proxy-Server

21 Jul 2011 by 2irfanshaikh

I think this link will help you...Connect to a web service through a Proxy Server[^]

How do I send data from formapp to an asp.net page and receive its respond

5 Jul 2015 by 4L4K1

I can send and receive data between two formapp.using System;using System.Net.Sockets;using System.Text;using System.Windows.Forms;namespace Client{ public partial class Form1 : Form { public Form1() { InitializeComponent(); ...

How to send file from server to multiple clients at a time in mfc using sockets ?

20 Apr 2010 by @Intersect☺™

See this below link, this will assists you surely to serve your purpose Single Server With Multiple Clients : a Simple C++ Implementation[^]

Load IP address and PORT from a variable

24 Feb 2015 by _Asif_

As per the code it seems like IP address and port is stored in a configruation file named IP_CONFIG.txt. In order to correctly use IP_CS and PORT_CS variables you need to correctly define these settings in the configuration file.You can get a good understanding by stepping into the code in...

Reverse Tunneling / Port Forwarding with Node.js

8 Jul 2017 by _m0n

Connect to PC with no public IP using Node.js app for reverse port forwarding / tunneling

NetworkStream.Write/Read in C#

25 Aug 2010 by _rubinho_

I'm writing some code in C# for the first time which requires talking to a network attached device using HTTP. Unfortunately the device is broken and so I cannot use the HttpWebRequest/HttpWebResponse classes, so I'm having to do it myself with TcpClient and NetworkStream. I've got the...

NetworkStream.Write/Read in C#

25 Aug 2010 by _rubinho_

Thanks for your answer. I am sure that the incoming message is smaller than the buffer size. I have also tried the approach which is outlined on MSDN and it did not help me. This is what I meant by "looping on netStream.DataAvailable and appending any further data" in my question. What I...

sending multiple pictures frequently with timer by socket class in c#

18 May 2014 by A wo

I want to send the pictures from my desktop which I get them by a timer. the client version receives the first picture and doesn't get another picture from timer of server version.this is the server version code:using System.Net;using System.IO;using System.Net.Sockets;Graphics...

Creating a Twitter client in Visual Basic 2010 which receives and uploads socket messages.

12 Jul 2012 by a_daish

Hi All,Wondered if you could help.Putting together a Twitter desktop client together in Visual Studio 2010 using Visual Basic for a project. The Twitter client works a charm but I'm trying to figure out how to receive socket messages from third party applications. It needs to be able to...

Non blocking socket in c

14 Apr 2013 by Aayman Khalid

Currently I am working on a single server,single client udp chat application. Initially I used blocking sockets which is the default condition. Now I want to convert the socket into non-blocking so that communication between client and server could be done without the obstacle of turns... I've...

asynchronous udp server client application

16 Apr 2013 by Aayman Khalid

am trying to make an asynchronous udp chat application currently havung only one client and server.the problem is that when I run my server it displays a lot of redundant data and afterward whwn some text is typed displays the error"Error sending the file! \n"... Could someone please look at the...

CreateProcess() in a client server application

17 Apr 2013 by Aayman Khalid

hey, I am working on a udp client-server application where one server is supposed to handle 40 clients which could all be logged on at once as well...Now in "unix" such issues are resolved by using "fork()" function which basically creates a child process to deal with the client and...

implementing a non blocking udp socket by select()

19 Apr 2013 by Aayman Khalid

hey I wanted to create an asynchronous/non-blocking udp client server application where the client and server were supposed to chat away with each other without waiting for each other's turns.I came to know that this could be done by select()...here is my Server(Mentioning only the...

How to Use Collection in Java

10 Oct 2014 by Abbas A. Ali

Hi, I am newer to Java just started it a while back. I am trying to make chat messenger (Client-Server) and I need a data structure in which I can store online users (One socket and one String containing Username). Now I did a lot of research and thought AbstractList could help me decently,...

unable to connect with a Server over the WAN using Client Server approach?

24 Sep 2012 by Abdul Rehman 2050

If i am not wrong you want to make a chat messenger type application that can work over internet just like gtalk, yahoo, or other IM messengers do ?There are some points to remeber for that. Lets Define some term here so it would be better to understant what i actually want to say A...

Datagram Socket android game

20 Sep 2012 by Abedalqader

I'm trying to develop multiplayer game , like any usual games join to room game then the score of game sharing with another player.After I'm searching in Google , what i see i should be start on DatagramSocket , in this link...

direct socket connection between two machine

31 Jul 2010 by Abhinav S

See here[^] for a sample application.

asynchronous server socket C# continue sending messages

20 Sep 2010 by Abhinav S

No dont use a loop. Creating a polling sort of a maechanism using a timer.

Socket read/write problem

16 Oct 2010 by Abhinav S

Have a look at the msdn sample here[^].They have used a delegate called EndSend during sending of data.This should be useful to you.They are also using a ManualResetEvent event indicating that the send is done. The next message can be sent after the first one is received and this event...

socket programing

19 Dec 2010 by Abhinav S

Plenty of information available here[^] (if you are looking for some indepth stuff).

Windows Socket Programming

16 Oct 2011 by Abhinav S

msdn.microsoft...

chat apps in web Socket

25 Jan 2014 by Abhinav S

Tryhttps://funnel.hasgeek.com/jsfoo2013/759-develop-your-first-multi-room-chat-with-node-js-websockets-and-mongodb[^]https://developer.mozilla.org/en/docs/WebSockets/Writing_WebSocket_client_applications[^]http://www.youtube.com/watch?v=VicWk7S6Jl4[^]http://blog.ilric.org/2011/02/14/super...

How To Send and recieve a file using Tcp in c#

17 Feb 2015 by Abhinav S

Links -Sending Files using TCP[^]Creating Simple TCP/IP Server And Client to Transfer Data Using C# / VB.net[^]Video - https://www.youtube.com/watch?v=ujYc6qPgn-8[^]

Peer to Peer File Transfer application, TCP or UDP to use?

5 Jan 2012 by Abhishek Nandgaonkar

heyy guys.. m implementing PEER TO PEER FILE TRANSFER..What protocol should I use? TCP or UDP? And why?

Peer to Peer File Transfer application, TCP or UDP to use?

5 Jan 2012 by Abhishek Nandgaonkar

Yes, agreed. But what i want is precisely how easy or difficult is it to implement either of the options.Also, if you have an experience of making an application of similar kind, i can get a better answer.

socket programing

19 Dec 2010 by abrar yousaf

plz help me for socket programing

Local (but not local) Sockets Testing

17 Jan 2011 by ad_robot

Hi Everyone, I'm implementing asynchonous socket programming in (C++, winsock, TCP/IP, based on this example Chat Client Server[^]) at the moment (for data streaming) and am running into problems with missing data when I run the code over a network rather than locally (I only seem to recieve...

Socket suddenly not binding?!

14 Jun 2011 by ad_robot

Hey Guys,Excuse the newbie but I was working on a simple sockets program today (from Beej's excellent (book). Everything was working fine but then suddenly the socket refused to bind. Now the bind command constantly returns a -1.I've tried waiting for the socket to free up (as per Beej's...

how to handle client Fire Wall , router in duplex communication ?

22 Dec 2014 by Adam Lee

I want to make simple demo in win form like "hello" send from client and server response back to that client. client Server. duplex communication .client ,server both are on different network .I had try to use socket ,web socket. Signal R ,X socket , socket .but i could not resolve...

Is it possible to make Socket don't recieve packets from certain application?

4 Feb 2012 by Addy Tas

Hi,Sorry to say but no, it is not in the scope of the IP protocol to care about the application it came from. Any decisions should be made on either the Port, IP or content of the data packet.If you are having the trouble that you are handling data from your own app it should be a small...

How to build Server Socket with c#

21 May 2012 by Addy Tas

Hi,If you don't understand this really simple piece of code i doubt you'll get very far but remember; the trip to the answer is the most fun.As I see it all you have to do is:- create a new form, - add a button (might as well call it send), - add a onClicked event, - copy all...

Socket.Receive after Socket.Send timing issue

15 Nov 2015 by ADrMD

I am working on an client-server application, where each client is served on a separate thread, i met some issues when running the program, i observed that if client calls Socket.Send before server calls Socket.Receive then server blocks on Socket.Receive forever. When running slowly in debug...

Call a C function from socket programming

30 Sep 2010 by Aescleal

As CPallini said it sounds like a compiler error. So what exactly is the error you're getting? Eidt the question and cut and paste the whole line you get off your compiler that describes the error.In the meantime there's a line number with the error. Have a look at the line it says the error...

Continue: Call a C function from socket programming

3 Oct 2010 by Aescleal

linayang wrote:this is the "testlist"function which is in "server.cpp"file.Why isn't it in an include file? Unless you're using a compiler based on EDG you can't export a template definition from a source file and just include the prototype somewhere. Whatever calls testlist needs to see...

Continue 2: Call a algorithm from socket programming

3 Oct 2010 by Aescleal

As router's a template don't you get an error in main at:Router integerRouter;?Cheers,Ash

Please Suggest the Best book to Study Networking in C

30 Jun 2012 by Aescleal

Internetworkin...

android group chat application using sockets

9 Nov 2014 by Afzaal Ahmad Zeeshan

First thing that I forced me to answer this question was, you said "continously need to call the webservice using Timer". Why? It is not a good user experience for most of the Android users. I am having an Android mobile phone that has only 128mb Ram and a single core processor and I just don't...

How to display Login and Logout Logs using C++ code

5 Feb 2015 by Afzaal Ahmad Zeeshan

If you're having the API to login the user, and to log the user out, then upon a successfull login or logout function call, you can log the data of the user. I am unable to determine what sort of method you're using to store the data (that GUID, and the Time object you're using inside the...

How to send string from my computer to my girlfriend's computer with the help of socket 's in java

2 Jan 2021 by Afzaal Ahmad Zeeshan

Quote: It runs ok in localhost I would like to run the server on my pc and the client in my girlfriend's pc . If the code works fine, then the next step is to get a static IP for your PC and then connect to the SockServer instance using that IP...

How to read data from client into readable format ?

16 Mar 2021 by Afzaal Ahmad Zeeshan

There can be several issues with the code, starting with the encoding of the content. It also depends on what you are sending. In your code, you do not show what the client is sending, only what you are reading on the server-side. It might be...

How web scrape HTML in Python?

22 Aug 2021 by Afzaal Ahmad Zeeshan

I already gave you the answer to this question on https://www.codeproject.com/Answers/5310985/How-do-I-make-a-HTML-parser-from-scratch-Python#answer1[^]. Do not repost the question as the answer to your problem remains the same.

[Concept] Sending video and audio data between 2 computers c# windows form

30 Nov 2013 by agent_kruger

i would like to know the concept of transferring data between 2 computers over internet.Example code will be appriciated. Thanks In Advance.

[Concept] Custom Audio c# windows form

30 Nov 2013 by agent_kruger

i would like to know the concept of creating your own voice instead of windows default voice in pc.Example code will be appriciated. Thanks In Advance.

How to send message to two clients at a time using C# socket?

16 Jan 2014 by agent_kruger

According to me if the network is slow it is obvious that the message receive time would vary. Note : Before telling that the network of client's PC is slow try to ping any website and check if it is really slow or there are little amendments to be made to your code.

Socket to transfer data over internet c# win. form

6 Feb 2014 by agent_kruger

I have tried to work with sockets which work over LAN but how to use them to transfer data over internet. cannot find a good example please help me?

Selecting the programming which is much more suitable and flexible enough to implement the chat messenger easily

7 Feb 2012 by ahsan45

Hi , I want to implement chat messenger , can any body here to guide me that in which programming it is easier to implemet it.The messenger is like a Yahoo/Msn Messenger with some extra features which are not in the current Messenger . I just want to know from some expert programmer that it is...

How can I get list of all available internet connections from C#?

29 Mar 2012 by AJV King

Hi,I am stuck at a place.. is their any way that I can get list of all the available internet connections on the users system...?In simple words: I need list of all available ISP(available on his system) to show the user to connect one.E.g.: User has two ISP connections installed...

android group chat application using sockets

9 Nov 2014 by akshaya srinivasan

I have created an one to one chat application using HTTP connection (In this method each and everytime you want to send message, you have to call the webservice and for receive message, you continously need to call the webservice using Timer).Now I want to implement group chat app.Can some one...

Is it possible to send one bit from one computer to another computer through socket?

25 Feb 2013 by Alamgirable

I am working on a project in which i have to send data in bits.Is it possible to send 1 bit from one computer to another through internet.Most of the people said to me that minimum internet packet size is 64bytes.If i send 1bit from one computer to another then packet bandwidth is 64bytes.

How to receive more then 5000 bytes in winsock C++?

18 Jul 2013 by Alamgirable

I create a client server app,But the client did not receive more 5000 bytes. Please help me.

Strange problem with sockets and http

29 Nov 2010 by Alban Deruaz

Hi everyone!I am having a strange problem when I try to connect to a server using a socket: It works when I do it from my home networks but it fails connecting when I do it from my school's public network which is as you may guess monitored.My code: WSASATA init; ...

Strange problem with sockets and http

29 Nov 2010 by Alban Deruaz

Thank you for your reply.Could you tell me how I can use these transport layer sockets?In fact, I thought that I was already using Winsock. I've searched for that kind of info for a while, I tried some examples but none of them worked. Thanks!

Probelm in order to handle data from multiple client in a mutithreaded program

21 Dec 2011 by Albert Holguin

Are they all on the same socket? ...if so, that's probably why you're having this problem. Have you tried having a login-request socket, doing a hand-shake there, then sending clients to their own socket?Alternatively, you can handle this at the application layer by handling all incoming...

Why it is showing error:cannot open source file“packet.h"

19 Jul 2012 by Albert Holguin

From looking at your screen capture, it looks like the project requires the WinPCap[^] library (makes sense since its essentially a library of packet definitions). You need to download the library and install it then add the installation path as one of your default paths or an "additional...

Winsock - Sending files.

3 Aug 2012 by Albert Holguin

I'll show you the functional steps without code. You should be able to figure out the code.0. Establish socket connection.1. Read the input file in binary mode (for large files, only read in chunks).2. Break up the file into chunks that fit into reasonable packet sizes.3. Transmit...

socket connect c++ with php

5 Sep 2012 by Albert Holguin

It's somewhat similar (as far as flow of things), but you have to use some sort of socket library to accomplish this (i.e. sockets aren't built into the language). In Windows, the native library/API is Winsock (or Winsock2) but if you require cross platform sockets, then you'd have to use some...

[Not a question] TCPListener socket/client reading multiple messages on single connection!

28 Dec 2013 by Albert Holguin

This sort of sounds like you may be accidentally using the same socket on different ports. Check to make sure each one has his own socket and they're not somehow using the same socket identifier. Also, make sure that your listening thread isn't terminating early for one reason or another.As...

GUI based socket programming example for visual Studio

6 Feb 2014 by Albert Holguin

GUI and sockets have nothing to do with each other. Find a GUI example, find a socket example, implement both, and you have a program with both a GUI and sockets.

WSA Error 10014, cannot figure out what's wrong.

7 May 2015 by Albert Holguin

connect(server, (struct sockaddr*)&server, sizeof(server))Looks like you're passing the "server" variable instead of the address structure.

Is it possible to send multiple files in a single socket communication in C programming?

28 Jan 2016 by Albert Holguin

Yes of course, sockets accept a collection of bytes, how those bytes are assembled and where they came from is not their concern, that's the application's problem.

Multiple socket connection

9 Jun 2015 by AldoBlack

Hello,I have 6 devices, price checkers. I have a project which the client in a supermarket will scan a product on this device and it will return the price of the product. I have managed to connect with one device, get the bar code and send data. But I can not seem to do to connect with...

Sync data between gmail and software

1 Oct 2013 by alex giulio

hello every body!please help me! i want to sync data between gmail and software, but i don't have much knowledge about it. every can help me understand deeply about it, thank so much!

Accept() takes 2-3 seconds

1 Dec 2010 by Alexeirob

Hi,I'm having a problem with accept function in Windows.It takes 2-4 seconds to accept a socket from another 3rd party application.Here is my code:DWORD dwStart = GetTickCount();AcceptSocket = accept(ListenSocket, NULL, NULL);DWORD dwEnd = GetTickCount();DWORD time = dwEnd -...

Conditional accept blocks the accept() even if the connection is ready

2 Dec 2010 by Alexeirob

Conditional accept blocks the accept() for 2-3 seconds even if the connection is ready.I can't remove the conditional accept (3rd party application) and I'm sure that the connection is ready.What can be a solution to that?Thanks in advance.AR

How can I tell if a socket is blocking or non-blocking?

5 Dec 2010 by Alexeirob

Hi Guys,How can I tell if a socket is blocking or non-blocking in C++ and in windows API?Thanks,AR

Simple UDP sniffer using VB2008 Express Edition

15 Mar 2010 by ALEXZUPO

I'm looking for a simple example to put in a TextBox a packet sniffer from a UDP socket.Thanks

Editing Online Game Server Socket [ creating a client ]

18 Apr 2014 by Ali Al-Masry

Hello Everyone at CodeProject , as title say i am editing an Online Game Server Socket to make it for the same game but as a client socket , actually i tried it many times but fails , spent more time on that , well ,, here is my idea..Server and client each one have 2 sockets... Login Socket...

Client Socket stop receive packets if another Form is showed

24 Oct 2014 by Ali Al-Masry

Hello guys i have a server / client applications ...everything working as well but i got a problem here and i will explainmy client is a Form1 , Form2 and Form3Form1 is the main form it's starts the socket and handling everything ...when the server send a [Start Session] Packet...

advanced ip scanner code

25 Nov 2014 by ali sedighian

HelloI want To See Code Of Advanced Ip Scanner Or A Project(If Not One,Several Projects) Like It That I Can Do These Things:1.Find Out Manufacturer Of An IP Device.2.Operating System Of An IP Device.3.Can Access To Share Folder Of An IP Device.4.If It Has ftp I can Access...

an amateur question in socket programming

29 Jan 2013 by ali_heidari_

hi....i want to make a small app for connecting to a chat application and get some data! i want know is a generl way to connect with any server and get data or any server must provide some ways to let us connect to it! and if a server didnt do that we cant connect to it?i know how i can...

Windows Sockets - WSASend multiple WSABUF's internally work?

5 Mar 2013 by Alistair Budd

I would like to know how WSASend works internally when dealing with multiple WSABUF buffers.Does it loop through each, sending only the data inside the current buffer?OrDoes it combine all the data together before sending?OrAnother method?I am using Overlapped.int nBytesSent...

[SOLVED]receive data via UDP port and display it

2 May 2013 by AlphaDeltaTheta

Well, your code is absolutely correct there is no issues with it.You are encountering a bind exception. Such exceptions occur if the underlying operating system is unable to create an socket at the specified port. It might be for the following reasons:1. The port 53 is already in use. In...

[SOLVED]receive data via UDP port and display it

2 May 2013 by AlphaDeltaTheta

Well, your has no issues with it. Except for the thing that the constructor used to create a datagram socket for receiving must not include the ip address. It should be like thisDatagramPacket p = new DatagramPacket(buffer, buffer.length);You are encountering a bind exception. Such...

NullPointerExpetion when writing to server

29 May 2013 by AlphaDeltaTheta

public static void main(String[] args) { ChatApplication program=new ChatApplication(); //calling noarg constructor program.createInterface();}I see, You do all stream initialisation in the parameterized ctor (constructor) but you are calling the default ctor. Every thing is...

Compatibility between C# and C++ Socket communication

29 Feb 2012 by alterer

Hi,I have a client written in C#.It works fine when i try to communicate with a server written in C#.I'm trying to use the same client to communicate with a Server written in C++ and it doesn't seem to work.The connection is made as the server hangs when i say connect on my client and as...

problem with sending file C#

18 Nov 2012 by Amar zaidi

my problem is :i make two programs one server and the second as client the client send files to server but when he receive it the size of received file is bigger than the sent file .and thats the sent code private void send_Click(object sender, EventArgs e){ FileStream fs = new...

problem with sending file C#

26 Nov 2012 by Amar zaidi

i found solution usink Invoker change the server code FileStream fs = new FileStream(@"c:\\jj.wav", FileMode.Create, FileAccess.Write);//creat a receiv file sckt = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP); sckt.Bind(new...

Please Suggest the Best book to Study Networking in C

30 Jun 2012 by Amarnath S

You may be overwhelmed by the amount of information available in books. I find that the best way to learn about these is to take an online (and hopefully free) online course.While I'm yet to come across an online networking course, I find that a seven-week-long online *free* course on...

Send/Receive classes through UDP

26 Jul 2012 by Amir Hesami

A library which can get any class you pass to it, convert it to bytes, and send it to the other end.

Could not connect to net.tcp://localhost:1234

15 Oct 2015 by amir.nazarizadeh

HiI have a simple chat program in c# with a client and a serverwhen I start the program it give me warning with this message:Additional information: Could not connect to net.tcp://localhost:1234/Chat/ChatService. The connection attempt lasted for a time span of 00:00:02.0986369. TCP...

Endian conversions through sockets

29 Nov 2011 by amsga

Hi,I was wondering if there is a need to do endian conversions for data being send via sockets in C# or will the underlying calls convert it for you?I was reading up on network byte order I was thinking if this would affect different kinds of data like String, Short and Longs,...

Send and Receive Data Between Flash & C# program

2 Nov 2011 by anak_goblok

hi, I'm new in socketing, I want to ask how can I send and receive data from flash to C#(console program) and from C# to flash. C# as a server and flash as client (many flash client connect to 1 c# program)? (without using XML, only using action script in flash)

Connecting to Socket Server without knowing IP address

12 Nov 2011 by anak_goblok

Is it possible to connect to socket server without knowing the IP address, like auto detecting the active server or something.If it's possible please tell me how to do it.

How to receive enough large data byte in networkstream?

2 Aug 2023 by Andre Oosthuizen

The problem you are facing is likely related to the way you are handling the data reception. Reading data from the stream using 'stream.Read' may not guarantee that you receive all the data at once, you should modify your code to read from the...

A Simple UDP Messaging Client Toolkit

15 Oct 2010 by Andre Trollip

A simple set of classes to make creating Peer to Peer messaging easy using UDP. Features built-in message concatenation and delivery receipts for reliable transmission.

Moving from Winsock to Net.Sockets.Socket

17 Sep 2012 by andrevdcolff

If I'm not completely wrong here I think the problem is encoding.Winsock uses ANSI as a default which in turn I believe on Windows is 1252 and you are converting your string to ASCII which is a different encoding.Try changing your code to rather use the following:Encoding...

Local (but not local) Sockets Testing

17 Jan 2011 by Andrew Brock

A few pointers that you may or may not already know:Remote debugging can be set up by running msvsmon.exe from C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\Remote Debugger\\msvsmon.exe on the remote computer or VM. This is in the 64-bit Program Files on a 64-bit...

Load IP address and PORT from a variable

24 Feb 2015 by Andy411

May be I'm wrong, but for me, it looks like you are freeing the memory before assigning the variables like IP_CS.You should free the memory, when you don't need it anymore.printf("\nNow printing each saved string:\n"); for (jj=0; jj printf("String %d: %s\n", jj,...

Implement a socket server with request API

6 Jun 2015 by Anil Kumar 23

HiI have to implement a socket server which listens to HTTP requests following the HTTP RFC (https://www.ietf.org/rfc/rfc2616.txt), the server should be capable of doing the following: - Exposes a GET API as "api/request?connId=12&timeout=100" - This API will keep the request running...

C# socket Can not connect to the computer from the Internet

17 Jan 2013 by animares

Can not connect to the computer from the Internet by using socket, when the computer has Internet connected not directly through a lan card. What to do? If I have a computer podklyuchayus Katori Internet connection directly everything is fine and turns with adaprami of TP-LINK does not work.

C# socket Can not connect to the computer from the Internet

17 Jan 2013 by animares

I just want to use socket to connect to a remote computer and send the message (TCP chat). What do you suggest? Port forwarding or put the computer in DMZ zone?

Network traffic analyzer

11 Feb 2013 by anjansarma

I am trying to develop a network traffic analyzer for windows platform and implemented on a LAN using java laguage. But I have found problem in using the PCAP library. I have installed PCAP and JPCAP both, but whatever code I try to execute, and error code is displayed that PCAP library is not...