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Groups > comp.lang.java.programmer > #19430

Re: detecting Socket disconnect

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On 17/10/12 21:59, Peter Duniho wrote:
> On Wed, 17 Oct 2012 13:12:13 -0700 (PDT), bob smith wrote:
>> I have a java.net.Socket that I only write to, and I can't figure out how to tell if it's disconnected.
> The normal way to detect a disconnect is to read from the socket and get a
> return value of 0 bytes for the count of bytes.

This is the case in C, where functions like recv() use -1 to signal an 
error and 0 for EOF.  However, in Java, InputStream (such as you get 
from a Socket) returns -1 to signal EOF.

<http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html>


-- 
ss at comp dot lancs dot ac dot uk

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detecting Socket disconnect bob smith <bob@coolfone.comze.com> - 2012-10-17 13:12 -0700
  Re: detecting Socket disconnect Arne Vajhoej <arne@vajhoej.dk> - 2012-10-17 16:45 -0400
  Re: detecting Socket disconnect Lew <lewbloch@gmail.com> - 2012-10-17 13:47 -0700
    Re: detecting Socket disconnect Arne Vajhoej <arne@vajhoej.dk> - 2012-10-17 17:19 -0400
  Re: detecting Socket disconnect Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-17 13:59 -0700
    Re: detecting Socket disconnect Arne Vajhoej <arne@vajhoej.dk> - 2012-10-17 17:24 -0400
      Re: detecting Socket disconnect Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-17 14:42 -0700
    Re: detecting Socket disconnect Steven Simpson <ss@domain.invalid> - 2012-10-18 09:31 +0100
      Re: detecting Socket disconnect Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-18 07:09 -0700
  Re: detecting Socket disconnect Martin Gregorie <martin@address-in-sig.invalid> - 2012-10-17 21:14 +0000
  Re: detecting Socket disconnect Roedy Green <see_website@mindprod.com.invalid> - 2012-10-17 15:52 -0700

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