First of all, when you talking about "server", it should be something which you develop yourself, because you will need to have some custom application-layer protocol:http://en.wikipedia.org/wiki/Application_layer[^].More exactly, a service. The term "server" is more often used in a narrow...

TcpClient

sockets

Receiving data at TCP Client is not in proper format

26 Mar 2013 by Sergey Alexandrovich Kryukov

You receive random results because you programmed some protocol to get random results, more exactly, the same data at random boundaries. If you used not ASCII but some binary data with different data types (or even some Unicode UTF with different character size, such as UTF-8), you would get...

TcpClient

Socket_Control DLL Resource and Tutorial

10 May 2013 by Sicppy

A DLL resource to help beginner to intermediate developers open and use sockets in a P2P application.

Async Await Multiple Telnet Servers

12 Dec 2013 by Sergey Alexandrovich Kryukov

Why?! Create a separate thread to work with each separate telnet server and work synchronously. Synchronize those threads using thread synchronization in those rare cases when it is needed.I think asynchronous APIs get popularity when threads were not a commonplace, or just because many...

Performance issues on server / client application

18 Jan 2019 by Rob Philpott

You've got an interesting mix of different types of async code in there! And I can see unguarded use of collection cross-thread etc. But this: while(!_clientStream.DataAvailable) { } looks like a very tight loop, which is likely to get your CPU fan attempting take off. At the very least slap...

client-server

TcpClient

server client application

25 Oct 2012 by Dave Kreskowiak

Your firewall is blocking port 8080. You have to "punch a hole" in it to allow inbound connections on that port.

WCF

TcpClient

networking

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...

TcpClient

sockets

How to get data automatically from tcp sockets winsock2

17 Sep 2013 by nv3

You may call recv in a loop. It will block when no data are available and return only when data has been received or a socket error has occurred.If your program has other things to do in parallel while you are waiting for the next data package to arrive, then you should run the receive loop...

C++

TcpClient

TCP/IP

Retrieve Size of Data Available C# TCP NetworkStream

15 Oct 2013 by Sergey Alexandrovich Kryukov

It's not that this property is not "yet" implemented; such implementation would not make any sense. Think about the nature of network streams: a remote part writing to the stream can always write some more data. Also note that the stream is the abstraction behind the sequence of TCP packets, so,...

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

19 Dec 2013 by CHill60

Without seeing the actual code it's quite difficult to assist. However will this article help Multi-threaded Client/Server Socket Class[^]?

sockets

TcpClient

networking

[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...

sockets

TcpClient

networking

Async Await Multiple Telnet Servers

15 Jul 2014 by Matthew Dennis

// assuming you have created a CancellationToken so you can cancel the Telnet Monitors.List telnetTasks = new List();for (var i = 0; i

How to send unsigned char over tcp ?

27 Oct 2014 by Jochen Arndt

Just pass the file descriptor, arr and size to the write function. The type of the buffer pointer does not care as far as the count parameter specifies a valid number of bytes contained in the buffer. See also man 2 write[^].The write function just transfers data. It does not care what kind...

How to send unsigned char over tcp ?

27 Oct 2014 by Orjan Westin

Internally, a signed and an unsigned type are the same. The char you send is just 8 bits of data, just like an unsigned char. Therefore,void Write(char * arr,int size){ unsigned char* dt = (unsigned char*)a; // Cast to the type you want write(Socket,dt,size);}will send exactly the...

How to send unsigned char over tcp ?

27 Oct 2014 by Mahmoud_Gamal

i solve it temporary like this void WriteU(unsigned char buff[], int size){ int h ; h = write( m_Client->Socket,buff,size);// printf("\n data write \n %i",h);}why i tired my self if there is another way

Advise needed - VB.Net Client/Server possibilities

13 May 2015 by Afzaal Ahmad Zeeshan

A Windows Forms application would be good, but since you're going to allow multiple users to communicate through the same hub (server), ASP.NET would be better. If you do not want to use a website, with a layout and other formalities, ASP.NET Web API[^] would be best for this type of...

TcpClient

TCP/IP

How to send unsigned char over tcp ?

21 Jun 2015 by Richard MacCutchan

Your Write function takes a character pointer as input, so trying to use that as an unsigned pointer makes no sense. You should just use the standard socket write function as described in http://man7.org/linux/man-pages/man2/write.2.html[^].

I wrriten TCP server code in winform. How I host this code on remote server

6 Oct 2016 by F-ES Sitecore

Host it on what server? On the internet? If so hire a virtual server with (ideally) a fixed IP. You should implement your code as a Windows Service and install the service on your server.

.NET

TcpClient

TCP/IP

C# windows form TCP client cross thread operation not valid error?

12 Jan 2018 by OriginalGriff

You cannot access any UI control from any thread other than the one it was created on: the UI thread (which is the only one running at the start of your app). If you try, you get a Cross-threading exception as you have seen. If you look at the documentation: Socket.BeginReceiveFrom Method...

Tcpclient doesn't wait for data to arrive before completing

27 Jan 2018 by Richard MacCutchan

You are making an invalid assumption in your code. See NetworkStream.Read Method (Byte[], Int32, Int32) (System.Net.Sockets)[^], where it explains how much (if any) data is returned on the read command. Do not assume that you will receive all the data on a single read call. TCP/IP is not like...

TcpClient

Unable to create a dynamic byte[] to process data received through async TCP socket response

18 Mar 2018 by Richard MacCutchan

You are (effectively) using a static data buffer for your input messages, so any time some data arrives it has the potential to destroy what is already there. You should allocate your buffer in the async event handler, capture the data, and pass the buffer off to the method that will process it....

TcpClient

asynchronous

Is communication between a server and a client's USB device possible?

19 Apr 2018 by F-ES Sitecore

Would you want services accessing your USB devices? Of course this isn't possible.

TcpClient

serial-port

Is communication between a server and a client's USB device possible?

19 Apr 2018 by Patrice T

By principle, a remote server don't have access to a PC if user don't cooperate. Cooperation can be HDD or printer sharing, but you need credentials. Cooperation can be client opening a web app from server, it open access to cam, but only if client allow it. In order to expose the cam to web app...

TcpClient

serial-port

C# acces vars & controls from static field not working

12 Aug 2018 by OriginalGriff

Static objects and static methods are special: they are associated with the whole class, not with a single instance of the class - and as such, a static method cannot access any non-static objects in a class because it has no idea which instance it should use! Think of it like this: public...

TcpClient

C#: how divide TCP input into multiple parts?

4 Aug 2019 by RickZeeland

See: Array.CopyTo Method (System) | Microsoft Docs[^] Or the alternative: Buffer.BlockCopy[^]

TcpClient

Tcp server problem with random connections

20 Feb 2020 by Richard MacCutchan

I do not have time to analyse all your code, but the following looks a little odd: if(tcp != clients[i]) // if not the client we want ... ? { So if the item you find in your list does not match the one you are...

Stackoverflowexception :- tcpclient

27 Jul 2021 by Richard MacCutchan

You have a recursive call in your code: If lconnecttries

TcpClient

Stackoverflowexception :- tcpclient

27 Jul 2021 by OriginalGriff

Quote: System.StackOverFlowException is here after 100 loops That isn't a loop: it's a recursive call. So each time you call RemoteConnect it takes a bit more stack space - and it's not massive to start with - so at some point it will run out of...

TcpClient

Why this udp socket not work when I run it in pc outside the network ?

26 Sep 2022 by Death Smoke

I'm trying to make a connection between two computers both of them are using tp-link adapter , but i'm not receving anything from client . #include #include using namespace std; int main() { ...

Tcp listening for a GPS device

5 Apr 2024 by OriginalGriff

Go back to the manufacturers and ask for tech support - you would need the device available to you and running to stand any chance of working out what is wrong and we have neither any access to it nor any idea what it expects! It's possible the...

TcpClient

TCP/IP

Getting duplicate data over TCP/IP

10 Oct 2012 by Brian C Hart

I am working with VS2008 and .NET 3.5. the server and client are both on Win7.I have a server and a client who are using the STX/ETX protocol. The server opens a TcpListener on port xxxx and what the basic thing is that the server waits for connection to come in on that port, and once a...

TCPclient and WinSock

18 Oct 2012 by Sergey Alexandrovich Kryukov

Yes, absolutely. You only need to develop your application-level protocol and match is on both client and server sides. You need to make sure that your different types (managed and unmanaged) serialize and deserialize in an identical way.One of the ways to do it in these different...

VB6

TcpClient

server client application

25 Oct 2012 by Bello Ibraheem

Am having trouble sending information to a server when the client and server are on different system. but when the Client and Server are on one system everything works perfectly ok.i Get this Exception every time and i have turn off windows firewallEndPointNotFoundExceptionCould not...

WCF

TcpClient

networking

Multithreading TCPClient special requirements?

26 Oct 2012 by fam891

Hi all. It turns out that the code was executing properly, and the issue was how the ConnThread was trying to start Timer1 (a timer on my main form). Apparently, a windows.forms.form.timer cannot be accessed by another thread, and VB.NET will not throw an exception when compiling or...

TCP/IP

TcpClient

threads

C#, Javascript Clientside sockets

5 Nov 2012 by m.bleimuth

Hi,i am trying to write some kind of a simple information System. My Server is written in c#, it sends every minutes udp heartbeats with Server Information (ip, port of the Server). Now i want to write a simple Website with html and JavaScript that connects to my Server and receives data...

TCP Chat Client/Server (Port-Forwarding?)

5 Nov 2012 by bEGI23

I am a bit confused now. I am creating a TCP Chat App (Client-Server) and my questions is im behind a router, im the server. DDo i also have to port-forward the TCP Port to my local computer, like the Client has to do or do i have not because im the server and the server basically waits in...

TcpClient

TCP Chat Client/Server (Port-Forwarding?)

6 Nov 2012 by bEGI23

I already know how to obtain my IP programmatically but i found out that only the server needs port-forwarding, the client does not have to port-forward since he searches for connection, thanks ExcellentProducts for the tips

TcpClient

Error: No connection could be made because the target machine actively refused it

3 Dec 2012 by Deenuji

i wanna send one file through ip address i got error like this No connection could be made because the target machine actively refused it 192.168.1.20:80Below coding i written in this program....this is program error or it's related to firewall proble....but in my system i disable the...

TCP/IP Logging Application

18 Dec 2012 by Dominique Krug

HelloI provided a C# application, which to log messages over a TCP/IP connection to a CONSOLE (a TXT file would also go) to transfer and indicate is. Unfortunately this does not function and I didn't know which changes is necessarily thereby the messages over the TCP/IP connection can be...

TCP/IP Logging Application

19 Dec 2012 by Jibesh

Read about .Net Remoting herea-simple-remoting-example-in-c/[^]dotnetremoting[^]

Determine if SQL connection is local or remote

30 Jan 2013 by Member 9557085

I am trying to develop an application that runs sql scripts either or on a local or on a remote sql server to update values on the application. The connection status is checked using:TcpClient client = new TcpClient(serverName, 1433);Once we know that we can listen using the port, I will...

SQL-Server

TcpClient

Determine if SQL connection is local or remote

30 Jan 2013 by Dave Kreskowiak

You wouldn't normally do this. At install time, you'd ask the person installing the app for the name of the SQL Server and instance, port number, and credentials to use, giving them the option of using Windows Authentication. You'd then construct the connection string from that information and...

SQL-Server

TcpClient

Is this application a P2P system?

23 Mar 2013 by Leo Chapiro

No, it is not a P2P application. If you are looking for a such one, take a look: A simple peer to peer chat application using WCF netPeerTcpBinding[^]This application is merely a TCP-based file server, it has no features to connect different clients like a P2P server would do.

WCF

TcpClient

peer-to-peer

Simple TCP communication

22 Aug 2013 by Richard MacCutchan

You need to think in terms of what protocol is needed between server and client. At the simplest level it goes something like:Server: listen for connectionClient: call server and wait for successful connection.Client: send request to server.Server: respond with "ready to...

TcpClient

Custom Dynamic Proxy Server/Client in C#

24 Aug 2013 by Sicppy

I am trying to make a custom proxy application in c# and i need to know how to do the following. - Intercept all outgoing data - Send data to proxy server - Complete connections to intended destination - Return data to clientI am completely lost and would not begin to...

Sending FIle with phone line

30 Aug 2013 by Garth J Lancaster

I havnt yet found an open source kermit/xmodem/... protocol implementation - there are commercial ones, some even with C# Classes rather than having to use P/Invoke ..this is an interesting site I found that may have enough get you started on basic c# serial comms...

How to get data automatically from tcp sockets winsock2

17 Sep 2013 by vr999999999

I want to get data automatically from tcp sockets winsock2. Currently i am using a timer to receive data when its available on socket .Please somebody help me .my current codetcp.h ifndef TCP_H #define TCP_H #pragma once #include #include...

C++

TcpClient

TCP/IP

Retrieve Size of Data Available C# TCP NetworkStream

15 Oct 2013 by Sicppy

I would like to be able to get the length of the data available from a tcp network stream in C# to set the size of the buffer before reading from the network stream. There is a NetworkStream.Length property but it isn't implemented yet, and I don't want to allocate an enormous size for the...

How To Connected and Receive Messages From TCP/IP Socket existing

16 Oct 2013 by Sergey Alexandrovich Kryukov

It's not quite clear where you see the problem, but my past answers may give you some ideas:an amateur question in socket programming[^],Multple clients from same port Number[^].Please read and ask your follow-up questions if you have to.—SA

WCF

TcpClient

TCP/IP

Keeping a TCP Connection Alive

17 Oct 2013 by Mr.TMG

Hi all, Some quick background on my application: The application, designed in vb.net, is for multi-user database information access. Users create and edit entries across several data tables, most of which are related. I'm attempting to address a concern about multiple users editing...

TcpClient

TCP/IP

Keeping a TCP Connection Alive

18 Oct 2013 by pdoxtader

You're thinking in the right direction. You do need to pass a control byte back and forth, and the nice thing about that is that when you get it right you can do some really cool things with the synchronization. The way I did client server communication was to define a packet, and pass a...

TcpClient

TCP/IP

Async Await Multiple Telnet Servers

11 Dec 2013 by Member 10440446

Hi guys, any idea on how am I suppose to create an application on C# 5.0 using async await Telnet client.My scenario is that I have to telnet multiple servers at the same time. Also, i need it to check the servers continuously just like a ping /t function.Thanks much.. :)

How do I send an acknowledgement from a TCP Server

24 Mar 2014 by Brian Honde

I managed to create a TCP Server but I want to know how to send an acknowledgement to the client. I am communicating with an HL7 system using a specified port number.

TcpClient

TCP client-server thread issue Blackjack game

15 May 2014 by Member 10821675

So I'm working on a TCP client-server blackjack game and I'm having a bit of trouble understanding how threads work here:import java.net.*;import java.util.*;import java.io.*; public class Game{ public final int MAX_NUM_PLAYERS = 2; public ArrayList...

Network stream is not reading the last 8192 bytes of data, tripping out of the while loop

9 Jun 2014 by Priyatam Upadrasta

I'm reading a huge byte of around 3824726 bytes. I've tried a lot of functions for reading the whole bytes. It is reading exactly 3816534 bytes and the while loop is going away some where. Remaining 8192 bytes are not being read and also there is no exception. It reads till exactly 3816534 and...

TcpClient

Network stream is not reading the last 8192 bytes of data, tripping out of the while loop

9 Jun 2014 by gggustafson

Remember, the server has no idea how much data is being sent. And, if the client disconnects after sending the last message but before the server has read the last message, the connection will be lost and it will appear that you have lost data. Here's a thought on what you can...

TcpClient

TCP Server + Multiple Clients C#

11 Jul 2014 by Member 8537661

Hi Guys,i have a TCP Server & Client see below for complete code. Can someone please provide sample code or edit my code on how i could make this Multithreaded please.Also, i want the client to receive a message from the server, instead of sending the message to the server. if someone...

How to check Connection status in TCP communication

22 Jul 2014 by SrinivasEng

Dear All, I have a Tcp CLient Application, which will connect to a Hardware Server via Ethernet Tcp/Ip for Sending and receiving data.Now I want to check whether Connection between My Application and Server is Active or broken continuously.I tried the following...

TcpClient

One client connected to multiple servers through TCP/I or sockets

1 Aug 2014 by Gautham Prabhu K

Yes, Its possible.Performance depends on many factors, if you can be a little more specific on points given below I can help you out.1. What machine your running and what technology your using to develop the application.2. How many servers you want to connect in any given point of...

sockets

TcpClient

TCP/IP

TcpClient.BeginConnect with Timeout

7 Oct 2014 by Nosey Parker

TcpClient.BeginConnect with timeout

How Do I Get To Know If A A Tcp Connection Is Over

2 Dec 2014 by xthehacker2000x2

Hi everyone, thank you for trying to help meI'm making a DVD Farm on the cheap and i'm trying to write the code for myself in VB.Neti have made a software that runs on every computer and a software for the main computer that sends commands to all of them.Now, i always want the machines...

Chat

TcpClient

TCP/IP

How Do I Get To Know If A A Tcp Connection Is Over

2 Dec 2014 by Sergey Alexandrovich Kryukov

I don't understand why would you use client.Connected at all. The problem looks very simple to me; I face such disconnections everywhere and never had problems with it.The idea is: you should have some main cycle where you exchange data with all clients. Inside that cycle, everything should...

Chat

TcpClient

TCP/IP

TCP error on a C#.Net application with SQL Server 2008 on the backend

11 Dec 2014 by sougata paul

0 down vote favorite I have made an application using C#, .Net and SQL Server as a database tool.Today I run it on a multi-user environment. I hosted SQL Server on server and install the application on client computers. Initially it is working fine but after some time I got an error...

C#4.0

SQL-Server-2008R2

TcpClient

Send commands to enfora gps trakers OTA via tcp

27 Jan 2015 by Member 11406566

Hi guys,I work for a company that provide service to track vehicles with gps devices, rigth now I need to find a way to send commands to an enfora devices over the air using the tcp protocol, I have tried many ways with no results unfortunately. I just can send commands via sms.I would...

TCP socket programming, strange behavior when read data

22 Feb 2015 by orgilhp

I'm writing tcp socket program.When I send string, shorter than previous sending, from client and receive it on server, something strange happening. For example:First I send '999999999'. Server receives finely.After that, I send shorter string: '7777777'. But the data on server is...

streaming

TcpClient

sockets

TCP socket programming, strange behavior when read data

23 Feb 2015 by sjelen

When reading data, you need to determine how much data was really taken from the stream (buffer will not always be full).The clientSocket.ReceiveBufferSize does not tell you how much data was buffered, it only tells how much memory is used for buffering.Try something like this: int...

streaming

TcpClient

sockets

How to send binary data using Lxi spci_raw with TcpClient

8 Mar 2015 by Peter Van Cauwenberghe

This may not be a pure c# question but maybe someone also has a similar problem.I use Lxi (http://www.lxistandard.org/About/LXI-Protocols.aspx) to communicate with for example Agilent power supplies, scopes etc...There are several ways to do this, but the most easy way is to use SPCI (a...

TcpClient

How to send binary data using Lxi spci_raw with TcpClient

9 Mar 2015 by Peter Van Cauwenberghe

I had it working now. I posted my question a little to early. :-)But anyway here it the solution : It seemed that it is necessary to send a linefeed after the binary data that needs to be send. So the SPCI command would be in it's complete form :[SPCI COMMAND][Space][BINARY...

TcpClient

Is it possible to connect with client from server

18 Mar 2015 by Dave Kreskowiak

No, this is not how it's done.Think about it. How is the server going to know that there are clients to connect to? How is the server going to find them??It's not.

TcpClient

Is it possible to connect with client from server

18 Mar 2015 by E.F. Nijboer

The client has to setup the connection because most clients are behind a router (NAT.) It prevents incoming connections to the client from anyone outside of the NAT. Meaning servers are reachable over the internet and clients are (mostly) not. But polling every x minutes should't be that bad....

TcpClient

Is it possible to connect with client from server

18 Mar 2015 by manchanx

I don't think this makes a lot of sense. However, if you really want to do that, you can just keep the client trying to connect in a loop.

TcpClient

Advise needed - VB.Net Client/Server possibilities

13 May 2015 by Member 11687571

Good day dear programmers , hopefully soon I become a colleague :) . I am just new to programming , but still I have had some experience with programming in Access VB and a a small overview over VB.Net . But let's get to the question . I want to build a nice app with a Server side and...

TcpClient

TCP/IP

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...

Multiple socket connection

10 Jun 2015 by jdeep84

I would suggest to write down one broker service/ message queue which will collect product scan results from the devices in async manner and then fetch it to the price service to return appropriate price of product.

How to connect in unix and execute a command using TcpClient

11 Jun 2015 by _Asif_

This[^] should give you a good start

TcpClient

netTcpBinding in WCF with Dual channel failure to reconnect

20 Jun 2015 by SaurabhSavaliya

we have implemented netTCpBinding WCF Service with dual channel. But whenever any unexpected exception is occurred in a client side application, It will not reconnect with server until it will restarted from Net tcp sharing service. If anybody faced this problem and have a solution, please...

TcpClient

WCFServices

TCP/IP

Communication between .NET and Android devices?

1 Aug 2015 by Richard MacCutchan

Lots of samples to be found by https://www.google.com/search?q=android%20sockets[^].

TCP Chat server on online server

22 Aug 2015 by blitzkrieg89

I have created a chat application using TcpClient and TcpListener in Visual Studio.All works fine when I run the server on my computer.I want to host the server application online on the Internet, like GoDaddy.com, so that it can be accessed from anywhere.Is this possible? If not, any...

TCP Chat server on online server

22 Aug 2015 by F-ES Sitecore

You'll need to hire a shared server with a fixed IP address (a lot of web hosts will offer these). You need a domain registered such that it points to your server (say chat.yourdomain.com), your app needs to run on this machine listening to its given port, and your chat client needs to connect...

Program C++, How make chat?

28 Sep 2015 by CPallini

Did't you google for[^], did you?

C++/CLI

TcpClient

sockets

C# Telnet to Cisco routers

25 Oct 2015 by MrXccv

I am trying to connect to a Cisco router via telnet but i don't need to log in only to get the banner (banner = information the router presents before you get into username & password input))Banner Example:*Welcome To 101044555@xxxxxxx *----------------------------- **ADSL Line :...

Cisco

TcpClient

C# Telnet to Cisco routers

25 Oct 2015 by George Jonsson

Try using NetworkStream[^] instead of StreamReader and StreamWriterHave a look at this example.TcpClient.GetStream Method[^]

Cisco

TcpClient

Tcp/IP client and server application

8 May 2016 by Garth J Lancaster

I hate the way you havnt commented your code, and you've jumbled up your input and output scanners & streams etc of your code for your client and server - makes it real hard to follow !Are you in effect asking about this code p.println("test.txt"); p.flush(); ...

Wcf nettcp binding with transport security mode not working.

18 May 2016 by sanyam9999

I have a simple WCF service with GetData() method. I am using netTcp binding for the same. My service app.config is like this: ...

Error while receiving a live video stream on the client via TCP-ip from raspberry pi to windows client

19 May 2016 by violence666

i have made a code in which i receive the live stream on my client from my Raspberry pion my Pi (server) i have used a netcat command pi@raspberrypi ~ $ raspivid -t 0 -o - | nc -l 5001 on the receiver, i store the received data in a buffer, and then that buffer i pass it to my decoder...

Is there some class for .netcore for modbus TCPIP

7 Jul 2016 by Member 10710536

I would like to write a programm to communicate with a modbus TCP/IP slave.I found some library's but they are all for .net.I would like to use windows UWP. So i believe i have to have a library for the .NETcore.Can someone help me with thisWhat I have tried:I already tried...

UWP

TcpClient

Slowdown in tcpclient connections

4 Sep 2016 by Menci Lucio

Hi,I wrote a client/server application, I used TcpServer an TcpClient objects to enable this communications.Server side I had no problem. It seems that when the client perform a request, the server reply so quickly. But Client side there is a little slowdown at the TcpClient...

TcpClient

sockets

Slowdown in tcpclient connections

31 Aug 2016 by Rob Philpott

It might be better putting this in the discussions rather than Q&A, as I don't think there's a clear answer, but lots which could be said.Firstly, if line [1] is taking a second to execute, that's how long it takes to do the DNS lookup on the hostname and establish the TCP connection. Seems...

TcpClient

sockets

Slowdown in tcpclient connections

4 Sep 2016 by Menci Lucio

[1]: no, i think not. It needs a second also if I use 127.0.0.1 as the address.For the other your points, I followed your sudgestions. But not for the ASCII encoded. There are more than a single path I have to follow, some times I don't receive a ASCII string. Then the server writes the...

TcpClient

sockets

I wrriten TCP server code in winform. How I host this code on remote server

6 Oct 2016 by Member 12682888

I am working on vehicle Tracking System. I did TCP listner server. I want to host this on server. how do i achieve it? or other than winform their is any way in .Net ThanksWhat I have tried:I am working on vehicle Tracking System. I did TCP listner server. I want to host this on...

.NET

TcpClient

TCP/IP

I wrriten TCP server code in winform. How I host this code on remote server

6 Oct 2016 by Member 12682888

thank for quick reply.I implement code in Windows Service. when i start service port goes open its OK, while after client connect its work, but when client send data to server automatically service stop.i dont know exact reason please help me

.NET

TcpClient

TCP/IP

How to read data on networkstream upto specific character?

19 Oct 2016 by Member 11543226

I have written a code to receive data from networkstream and if data contains first character "$" then i identify this data as barcodes data, but sometimes when data is large like 7000byte at that time data coming in packets of different sizes but some bytes not detected as they miss "$" symbol...

C#4.0

TcpClient

networking

How to read data on networkstream upto specific character?

19 Oct 2016 by johannesnestler

Have a look on MSDN and inspect this sample to see a way how you could do it (it reads till but just replace with your special character(s)https://msdn.microsoft.com/de-de/library/fx6588te(v=vs.110).aspx

C#4.0

TcpClient

networking

Receive image from byte TCPCLIENT

14 Apr 2017 by Hitmanlima

I send the image to the server, I noticed that it is receiving the image in several packages, I tried to join the buffers, but it is not working, if I put the image in the picturebox without joining the buffers the image is incomplete My project consists of several clients and a server that...

client-server

TcpClient

Receive image from byte TCPCLIENT

14 Apr 2017 by Hitmanlima

My solution is: Sending Img Dim netStream As NetworkStream Dim Formatter As IFormatter = New BinaryFormatter() Formatter.Serialize(netStream, img) Receive Img Dim netStream As NetworkStream Dim Formatter As IFormatter = New BinaryFormatter() Dim img As Image =...

client-server

TcpClient

Is there any difference between those two implementations on sockets?

31 Jul 2017 by Member 13337752

I've made a client/Server app using TCP sockets, but clients stuck too often and they throw "Connection timed out" while reading for new messages from the Server. On both apps im using this: try{ do{ message=(String) input.readLine(); ...

Java

TcpClient

sockets

Is there any difference between those two implementations on sockets?

31 Jul 2017 by Thomas Daniels

Yes, there is a difference. In the first code block, when there's an error in the try block, you exit the do-while loop and go into catch. readLine does not get called anymore, because the code that goes after the catch block gets executed now. In the second code block, when there's an error...

Java

TcpClient

sockets

How to send and receive TCP data on same port in VB.NET applicaton?

6 Sep 2017 by Nitin Surya

Hello, i want to send data from the same port on which i have received the data. for eg. i have made tcp listener using UNOLibs. so for receiving and sending is working ok. But the problem is if i receive data on port no 6666 then i need to reply from port no. 6666. i cannot find out the way to...

sockets

TcpClient

TCP/IP

How to send and receive TCP data on same port in VB.NET applicaton?

6 Sep 2017 by Graeme_Grant

There are plenty of articles right here on Code Project that cover this topic: TCP - CodeProject search[^] - Pick one.

sockets

TcpClient

TCP/IP