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socket programming

This is a discussion on socket programming within the VB.NET Programming forums, part of the Software Development category; hi, I have already some experience with socket programming. But now I would like to use socket programming for a ...


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  #1  
Old 09-05-2007, 05:42 AM
amansundar amansundar is offline
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Default socket programming

hi,

I have already some experience with socket programming. But now I would like to use socket
programming for a Bluetooth connection. Does anybody know how to do this? I’ve done it before
for a wired network, and then you just had to use a tcpClient and a tcpListener, and in the client
program you just had to give in the ip address of the computer where you had your server program
and it worked. But how is this for Bluetooth and pocket devices? Do you also have to use a tcpClient
and tcpListener? Or is it totally different? And what do you have to use in stead of the IP address? My
program language is VB.NET, but it doesn’t matter if it’s a C# example.

Thanks

Last edited by amansundar : 09-05-2007 at 11:09 PM.
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Old 09-05-2007, 06:32 AM
mobilegeek mobilegeek is offline
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Smile Re: socket programming

Hi aman,
WInsock is pretty much the same because it represents an abstraction layer that is beyond the physical properties of the data transfer. There are several good tutorials on Winsock-based BTH programming. This one contains a C/C++ sample which is pretty strightforward. Notice for example a server socket is created:

SOCKET s = socket (AF_BT, SOCK_STREAM, BTHPROTO_RFCOMM);
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Old 09-05-2007, 06:38 AM
amansundar amansundar is offline
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Default Re: socket programming

Hi,

Thanks for you quick answer, but do you also have a VB.NET example? Is it possible with VB.NET?
I'm not a VB expert exactly so I don't know if it's feasible in VB. However, I'll ask some of the VB experts if they have any samples.
Thank you very much!!!!!
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Old 09-05-2007, 06:43 AM
krishnakumar krishnakumar is offline
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Cool Re: socket programming

Hi,
Nice to know you too are working in something that i need...i m java developer.....My project includes the development of a GUI in VC++ environment that will connect two Bluetooth enabled computers and allow them to communicate..im currently learning VC++ and Winsock...but i dont know how to proceed next....how to incorporate the Bluetooth functionaliy...im really in a fix cuz i have to finish the project at avery short notice...could you plz guide me on how to proceed further..like what should be the necessary steps....
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Old 09-05-2007, 07:10 AM
amansundar amansundar is offline
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Default Re: socket programming

What I would do is look for an existing, simple but working project and try to learn from the code how
the BT functionality is used.
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Old 09-05-2007, 07:13 AM
krishnakumar krishnakumar is offline
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Default Re: socket programming

great ..but where do i get that???
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Old 09-05-2007, 07:14 AM
amansundar amansundar is offline
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Default Re: socket programming

Hello everybody!

I'm trying to develop a Bluetooth application using winsocks, but my problem is that i cannot create the socket.
When I execute "socket(AF_BTH, SOCK_STREAM, BTHPROTO_RFCOMM)"
the application falls with the next error : 10047 (WSAEAFNOSUPPORT => An address incompatible with the requested protocol was used.)

I have the next include's:
#include <winsock2.h>
#include <Ws2bth.h>
#include <BluetoothAPIs.h>

Should I need to add something else to my project?, or maybe should I need change some configuration properties on my operating system?

Thanks.
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Old 09-05-2007, 07:18 AM
saloni srivatsava saloni srivatsava is offline
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Default Re: socket programming

anyone plz help me out with following ques..it's needed for my interview process

What is Socket Programming-


What are its functions-


What exactly it does-


Where exactly its used-


Kindly give the day to day basis example in short-
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Old 09-05-2007, 07:20 AM
amansundar amansundar is offline
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Default Re: socket programming

These are not simple questions I'm afraid. You need to learn socket programming thoroughly from a book, an online tutorial etc. Furthermore, you need to gain some experience in this area, not just the theory.
A quick "socket programminng" search on Google will certainly direct you to some tutorials.
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Old 09-05-2007, 10:57 PM
S.Vinothkumar S.Vinothkumar is offline
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Wink Re: socket programming

Visit this site for details of socket programming.

An Introduction to Socket Programming
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