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From "Adam Fisk (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DIRMINA-395) DatagramSessionImpl getLocalAddress doesn't return the local address
Date Sun, 08 Jul 2007 14:27:05 GMT

     [ https://issues.apache.org/jira/browse/DIRMINA-395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Adam Fisk updated DIRMINA-395:

    Attachment: datagramLocalHostConnectorPath.patch

Simple patch to fix the issue for datagram connectors.  The behavior for acceptors is unchanged.

The fix basically just adds an arguments to the DatagramSessionImpl constructor for the local
address.  When acceptors are constructed, they pass the service address for the local address,
effectively just like the prior code.  With connectors, though, they pass the local address.

There can't be a IPv4 versus IPv6 conflict in that case because the connector constructor


for the service address and:


for the local address.  Those calls have to both return the same address type.  

I also moved the comment about address type conflicts into the DatagramAcceptorDelegate, as
that's where it's more relevant.

> DatagramSessionImpl getLocalAddress doesn't return the local address
> --------------------------------------------------------------------
>                 Key: DIRMINA-395
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-395
>             Project: MINA
>          Issue Type: Bug
>          Components: Transport
>    Affects Versions: 1.1.0
>         Environment: All OSes
>            Reporter: Adam Fisk
>             Fix For: 1.1.1
>         Attachments: datagramLocalHostConnectorPath.patch
> I don't fully understand the comment in the constructor below, but I believe it's only
relevant for acceptors, not connectors.  In the case of connectors, the "serviceAddress" argument
below is just the remote host address, which should clearly not be set to the local address
as it is.
>     DatagramSessionImpl( IoService wrapperManager,
>                          DatagramService managerDelegate,
>                          IoServiceConfig serviceConfig,
>                          DatagramChannel ch, IoHandler defaultHandler,
>                          SocketAddress serviceAddress )
>     {
> .....
>         // We didn't set the localhost by calling getLocalSocketAddress() to avoid
>         // the case that getLocalSocketAddress() returns IPv6 address while
>         // serviceAddress represents the same address in IPv4.
>         this.localAddress = this.serviceAddress = serviceAddress;
> ....
> This is called from DatagramConnectorDelegate in the registerNew method, which reads:
>             DatagramSessionImpl session = new DatagramSessionImpl(
>                 wrapper, this,
>                 req.config,
>                 req.channel, req.handler,
>                 req.channel.socket().getRemoteSocketAddress() );
> The last argument "req.channel.socket().getRemoteSocketAddress()" should clearly not
be assigned to the local address.

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