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Subject: java-server-socket-binding-multiple-domain-host-names
From: Elgs Chen <elgs1980@hotmail.com>
In-Reply-To: <5182A4A4.1090407@apache.org>
Date: Sun, 26 May 2013 00:23:19 +0800
CC: Tomcat Developers List <dev@tomcat.apache.org>
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References: <7030EE1367513401-support@support.perfectgonzo.com>
 <518299E9.8000106@ptc.com>
 <99C8B2929B39C24493377AC7A121E21FC4ACD59717@USEA-EXCH8.na.uis.unisys.com>
 <5182A4A4.1090407@apache.org>
To: Mark Thomas <markt@apache.org>

Hi Mark,

I'm very sorry I know this is not related to the Tomcat project. =
However, I cannot find anyone who I think has more expertise in java =
networking programming than you.

I have a java server socket problem and I have no way to find the =
answer. I'm really hoping I can get some insights from you. Thanks in =
advance.

And here's the URL to this question:
=
http://stackoverflow.com/questions/16751062/java-server-socket-binding-mul=
tiple-domain-host-names

I have a java nio server with ip address 192.168.0.1 listening on port =
80. I configured this server to bind to multiple domain/host names, =
let's say server1, server2, server3 are all resolved as 192.168.0.1.

Now I'm hoping if the client connects to server1, on the server side, I =
can recognize that the client is connecting to server1 instead of other =
names or direct ip address, so that I can do something special, and if =
the client is connecting to server2, I can recognize that the client is =
requesting server2, so I can do something else special, and so on.

Now the question is: seems on the server side, I cannot easily get the =
correct information which server name my clients are connecting to.

I have the follow code:

ServerSocketChannel ssChannel =3D (ServerSocketChannel) =
selKey.channel();
String boundHost =3D sChannel.socket().getLocalAddress().getHostName();
But it does not work, the boundHost is always the server1 even if =
clients connect to server2 or server3.

Thanks,
Elgs=

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