[omniORB] echo examples

[David Walter]

On Sun, 17 Sep 2000, Brecht Vermeulen wrote:

>> I thought -- hoped - that the port number was the important part.  How
>> will a remote client find out the information if a file in /etc has it? 

>Well each client needs its own configuration of course (e.g. for omniORB
>it is the /etc/omniORB.cfg file pointing to the Naming Service)
>You can compare it with DNS (Domain Name System), you also have to
>configure your computer to know the IP address of the DNS server which can
>tehn provide the IP-hostname translation for you.

Right naturally enough there needs to be some way to find the name server.


Thanks

>
>> Ultimately I am trying to develop an iiop application and will need to
>> develop the connections without prior knowledge of specifics.
>> 
>> Perhaps I am misunderstanding the iiop's interface and should develop a
>> socket server to give out the ior to any clients -- then they can have the
>> port number and other via a handshake.
>
>The Name Service is constructed for this. But if you did this with a
>socket server, you also would have to configure the IP address of theis
>socket server, so it remains the same.

right

>
>> But I had hoped -- I haven't yet found a clear doc on iiop implementation
>> that details features and functions -- that iiop was transparently
>> handling the connection information and that (in this case) the name
>> service would be found by a default set of globally know information which
>> again I was assuming was known by the name service.
>>
>
>This would be strange, the name service would be found by information
>which would be present in the name service. Kind of deadlock situation
>:-).
>

True enough -- where was the question.

Thanks so much for your reply.

David

>
>best regards;
>Brecht
>
>> >On 15 Sep 2000, David Walter wrote:
>> >
>> >> 
>> >> 
>> >> After an initial compile and build on Debian/GNU/Linux I am trying to
>> >> test the installation with the examples.
>> >> 
>> >>  eg1.cc        okay
>> >>  eg2_clt.cc    okay
>> >>  eg2_impl.cc   okay
>> >>  eg3_clt.cc    oops*
>> >>  eg3_impl.cc   "
>> >>  eg3_tieimpl.cc"
>> >> 
>> >> 
>> >>  ../../../bin/i586_linux_2.0_glibc2.1/omniNames -start 2809 &
>> >> Fri Sep 15 15:29:55 2000:
>> >> 
>> >> Starting omniNames for the first time.
>> >> 
>> >> Fri Sep 15 15:29:56 2000:
>> >> 
>> >> Wrote initial log file.
>> >> Read log file successfully.
>> >> Root context is IOR:010000002b00000049444c3a6f6d672e6f72672f436f734e616d696e672f4e616d696e67436f6e746578744578743a312e30000001000000000000002b000000010100000f0000003132382e3233302e3230392e37310000f90a00000b0000004e616d6553657276696365
>> >> Checkpointing Phase 1: Prepare.
>> >> Checkpointing Phase 2: Commit.
>> >> Checkpointing completed.
>> >> 
>> >> ps aux | grep -i omni
>> >> 
>> >> root     11402  0.0  2.7  2616 1724 pts/11   S    15:29   0:00 ../../../bin/i586_linux_2.0_glibc2.1/omniNames -start 2809
>> >> root     11403  0.0  2.7  2616 1724 pts/11   S    15:29   0:00 ../../../bin/i586_linux_2.0_glibc2.1/omniNames -start 2809
>> >> root     11404  0.0  2.7  2616 1724 pts/11   S    15:29   0:00 ../../../bin/i586_linux_2.0_glibc2.1/omniNames -start 2809
>> >> root     11405  0.0  2.7  2616 1724 pts/11   S    15:29   0:00 ../../../bin/i586_linux_2.0_glibc2.1/omniNames -start 2809
>> >> root     11406  0.0  2.7  2616 1724 pts/11   S    15:29   0:00 ../../../bin/i586_linux_2.0_glibc2.1/omniNames -start 2809
>> >> root     11504  0.0  0.7  1112  444 pts/11   S    15:39   0:00 grep -i omni
>> >> 
>> >> It looks as if the name service is running.
>> >> 
>> >> but:
>> >> 
>> >> $ ./eg3_impl
>> >> Caught CORBA::SystemException.
>> >> 
>> >> 
>> >> Is there something that I am missing?
>> >> 
>> >> ../../../bin/i586_linux_2.0_glibc2.1/nameclt -ior IOR:010000002b00000049444c3a6f6d672e6f72672f436f734e616d696e672f4e616d696e67436f6e746578744578743a312e30000001000000000000002b000000010100000f0000003132382e3233302e3230392e37310000f90a00000b0000004e616d6553657276696365 list
>> >> 
>> >> gives nothing back.
>> >> 
>> >> The ior seems correct
>> >> 
>> >> ../../../bin/i586_linux_2.0_glibc2.1/catior  IOR:010000002b00000049444c3a6f6d672e6f72672f436f734e616d696e672f4e616d696e67436f6e746578744578743a312e30000001000000000000002b000000010100000f0000003132382e3233302e3230392e37310000f90a00000b0000004e616d6553657276696365 
>> >> Type ID: "IDL:omg.org/CosNaming/NamingContextExt:1.0"
>> >> Profiles:
>> >> 1. IIOP 1.0 128.230.209.71 2809 "NameService"
>> >> 
>> >> Thanks so much in advance for any assistance.
>> >> 
>> >> David
>> >> 
>> >> 
>> >
>> >
>> >
>> 
>> --
>> Respectfully:
>>                                       David Walter
>> Karma: Whenever you are there you go. dwalter@syr.edu
>> Office: CST::1-236                    Phone: (315) 443 3046
>> 
>> 
>> 
>> 
>
>
>
>

--
Respectfully:
                                      David Walter
Karma: Whenever you are there you go. dwalter@syr.edu
Office: CST::1-236                    Phone: (315) 443 3046