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Re: Socket communications

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Re: Socket communications

Subject: Re: Socket communications
From: Andrew Farmer <email@hidden>
Date: Wed, 8 Aug 2007 17:12:02 -0700

On 08 Aug 07, at 16:41, Maryanna Rogers wrote:

I've got two simple applications that I'm trying to get to talk over a
socket. After much digging, it appears relatively straightforward.
Sadly, I can't get the client to connect. ("a.b.c.d" is the ip of the
server).

The server does this:

<...>

addr.sin_port = 3421;

<...>

First of all, you need to apply htons() to sin_port, or it'll end up using port 23821 on Intel machines. (3421 = 0x0d5d, 0x5d0d = 23821. Byte ordering strikes again!)

Also, you may have an easier time working with NSStream/CFStream. See this forum thread for a brief overview:

http://www.mackb.com/Uwe/Forum.aspx/programming/2158/Sockets-in-Cocoa
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References:  
  >Socket communications (From: "Maryanna Rogers" <email@hidden>)




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