[omniORB] basic communication stuff

[Sai-Lai Lo]

With a host that has multiple IP addresses, it is often difficult for the
ORB to pick the "right" one.
I suspect the IP address embedded in the object reference is that of the
wrong network interface. You can force a server to insert a particular IP
address in all the object references it generate by either:

1. Invoke with the option -BOAiiop_name_port <hostname>
      e.g. ./eg2_impl -BOAiiop_name_port "209.139.139.80"

2. Or set the environment variable OMNIORB_USEHOSTNAME
      e.g. export OMNIORB_USEHOSTNAME="209.139.139.80"

Sai-Lai


>>>>> Sean Kessler writes:

> I am running omniNames on a Linux machine.  The machine has
>   two interfaces ppp0 and eth0.  My omniORB.cfg file contains
>   the following entries...

> ORBInitialHost 209.139.139.80
> ORBInitialPort 900        


>   The address 209.139.139.80 (which I made up here) corresponds
>   to the ppp0 interface.

>   I am starting up omniNames with the following arguments...
> ./omniNames -ORBtraceLevel 25 -ORBInitialHost 209.139.139.80

>   I also have a servant on the same machine that registers itself
> with     the naming service.  Now, a client running on the same box is
>   able to get a reference to the servant and call its methods.
>   This works just fine.

>   However, clients not residing on the same machine are able
>   to get a reference to the naming service but are not able
>   to get a reference to the servant.  The client in question
>   initializes the ORB with the following parameters...

>   ORBInitialHost 209.139.139.80
>   ORBInitialPort 900

>   I just don't get it.  Why is a remote client able to connect
>   to the naming service and not be able to get a reference to the
>   object while a local client is able to both connect to the 
>   naming service and acquire a reference to the object.  I must
>   be overlooking something here.


>   Any suggestions would be greatly appreciated.


>   -Sean Kessler


-- 
Sai-Lai Lo                                   S.Lo@uk.research.att.com
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