TCP/IP Socket

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I have a remort TCP device to connect through my System.
Do i need to code for both server side and client side code?
Please help. I am new to this :-)

Posted 8-Sep-10 17:55pm

Manas.rn

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Manas.rn 9-Sep-10 0:21am

there is a remort device with TCP enabledport.
And i need to send a data packet to it and read a responce from.

In that case do i need to code for both server side and client side?

If yes how?

Manas.rn 9-Sep-10 1:28am

That device have a IP,and a port known.
And if i send a data through a serial port to that device i can see the response in TCP"telnet".
if i send a data packet to the remort socket i am geting a responce in telnet.
Now do i stll need to write a server app?

Some one help plzzz

Manas.rn 9-Sep-10 2:35am

The device responds automatically if it get any data.
now my client code is
sendprotocol[18] = 0x03;
sendprotocol[19] = 0x06;
sendprotocol[20] = 0x40;
sendprotocol[21] = 0x00;
sendprotocol[22] = 0x19;
sendprotocol[23] = getchecksum(sendprotocol, 3, 24);
Stream str = client.GetStream();
NetStream = client.GetStream();
NetStream.Write(sendprotocol, 0, sendprotocol.Length);
//str.Write(sendprotocol, 0, sendprotocol.Length);

byte[] recbuffer = new byte[client.ReceiveBufferSize];
NetStream.Read(recbuffer, 0, recbuffer.Length);

is it correct why to send and receive data?

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Dave Kreskowiak · Answer 1 · 2010-09-08T18:21:00

Solution 1

That depends on the device and how it communicates. The documentation on the device should explain this, or you may have to look for an SDK for it that the vendor of the device would supply.

Posted 8-Sep-10 18:21pm

Dave Kreskowiak

Comments

Manas.rn 9-Sep-10 0:31am

That device have a IP,and a port known.
And if i send a data through a serial port to that device i can see the response in TCP"telnet".

Manas.rn 9-Sep-10 1:27am

if i send a data packet to the remort socket i am geting a responce in telnet.
Now do i stll need to write a server app?

Dave Kreskowiak 9-Sep-10 8:08am

Again, that depends entirely on the device, not your experiment. It cannot denote what gets implemented on your side. Get the documentation on the device and see what it says. Chances are if you can talk to it using Telnet and get the information you want, then you'll be writing a client to do the same thing.

Manas.rn 13-Sep-10 6:57am

Thanks. What you are saying is correct. However that was not the exact ans i was looking for.

Manas.rn 13-Sep-10 6:58am

can i use the same port"telnet port" to send and receive data?
or i need to change the port.

Manas.rn 13-Sep-10 7:32am

:((

Dave Kreskowiak 13-Sep-10 8:15am

I really hate repaeating myself...