[613] in java-interest
Re: serverInput.read blocking with 0 bytes to read...
daemon@ATHENA.MIT.EDU (Jonathan Payne)
Fri Jul 7 23:38:59 1995
Date: Thu, 6 Jul 1995 11:08:56 -0700
From: jpayne@starwave.com (Jonathan Payne)
To: java-interest@java.Eng.Sun.COM
I just said this in a different context. available() always returns 0
for socket input streams. I am surprised it blocks when you specify 0
bytes, however. That's kinda weird.
> From: grover@ra.isisnet.com (Gary Joseph Bowdridge)
> Date: Thu, 6 Jul 1995 06:47:20 -0300 (ADT)
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> ok.. Bare with me. I'm new to the ideas of OO. and new to Java..
> but catching on.
>
> I open a new NetworkClient connection to a host
> client=new NetworkClient(telnethost,telnetport);
>
> I check to see how much data is in the input stream
> numthere=client.serverInput.available();
>
> I proceed to read that data
> client.serverInput.read(telnetline,0,numthere);
>
> Now, i would assume that when "numthere" is "0" (as it seems to be often)
> client.serverInput.read would NOT block waiting to read "0" bytes from
> a stream with "0" bytes waiting to be read.. tho that seems to be the
> case.... If numthere=0 the applet hangs at the read...
>
> It was easily fixed by first checking to see if "numthere > 0"
> before doing the read...
>
> Am i doing something wrong with my read?
>
> Better yet.. is there a NON-Blocking input/output stream implemented?
> i didn't seem to see anything of the sort (*new to java*).
>
> ___
> grover@ra.isisnet.com (Gary Bowdridge).
>
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