From: Robert Klemme <shortcutter@...>
Date: 2011-10-26T16:12:25+09:00
Subject: Re: How to correctly handle partial write in Ruby Sockets?

On Wed, Oct 26, 2011 at 9:01 AM, Grigory Petrov <grigory.v.p@gmail.com> wrote:
> TCP sockets are streams, not messages, so berkeley sockets send()
> function on some systems may send less data than required. Since Ruby
> Socket is very thin wrapper over berkeley sockets, AFAIK Socket#send
> will behave exactly like berkeley sockets send(). So what is the
> correct way to send a complete message via Ruby TCP sockets? In python
> it's a special function for that called sendall(). But in Ruby i need
> to manually write code like that:
>
> while (sent = sock.send( data, 0 ) < data.length do
>  data = data[ sent..-1 ]
> end

In blocking mode you can simply do

sock.write(data)

Kind regards

robert

-- 
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