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Groups > comp.lang.java.programmer > #21958

Re: "heartbeat" approach

From Knute Johnson <nospam@knutejohnson.com>
Newsgroups comp.lang.java.programmer
Subject Re: "heartbeat" approach
Date 2013-02-01 08:40 -0800
Organization A noiseless patient Spider
Message-ID <kegr5i$i02$1@dont-email.me> (permalink)
References <0e900395-a38a-44a1-a5bf-01cc781c8728@googlegroups.com>

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On 2/1/2013 8:11 AM, bob smith wrote:
> What is the best way to handle a situation where you want a socket to
> send a "heartbeat" every ten minutes?  I was thinking it would be
> simple to have a single thread do all the "heartbeat" sending.
>
> However, that means there could be multiple threads writing to one
> socket.  Do I need to do anything special to have multiple threads
> writing to one socket?  Is there a better way?
>
> Thanks.
>

Just synchronize on the Socket or the OutputStream.  The cost of
synchronizing in that case would be very low.

-- 

Knute Johnson

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Thread

"heartbeat" approach bob smith <bob@coolfone.comze.com> - 2013-02-01 08:11 -0800
  Re: "heartbeat" approach Knute Johnson <nospam@knutejohnson.com> - 2013-02-01 08:40 -0800
  Re: "heartbeat" approach Arne Vajhøj <arne@vajhoej.dk> - 2013-02-01 17:46 -0500
    Re: "heartbeat" approach Robert Klemme <shortcutter@googlemail.com> - 2013-02-02 00:13 +0100
      Re: "heartbeat" approach Arne Vajhøj <arne@vajhoej.dk> - 2013-02-01 18:21 -0500
      Re: "heartbeat" approach Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-02-03 06:51 -0400
  Re: "heartbeat" approach Roedy Green <see_website@mindprod.com.invalid> - 2013-02-01 15:20 -0800

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