[erlang-questions] running sample progs for MGC and MG

[J Bhanot]

Hi Maxim,

I was using putty from my local windows machine to connect to linux server 
and then running this sample application.....

but when i ran this script from linux sever itself (FC8)....it did show 
MGC GUI...

now it want to display GUI from my local windows machine running this appl 
on putty...for this i am trying to download an interface b/w linux and 
windows i.e 

ReflectionX

hoping that it would open the GUI from my local windows m/c....


Second question is that -  I am looking into erl_interface library 

now when you say atleast one erlang node should be running ...do you mean 
that anyways i will have to use Erlang in building some application ( 
Start Media Gateway Controller) and then if i want to start Media Gateway 
....i can use my C application to start it and then making MG communicate 
with MGW via erl_interface library using C....

Actually, i am bit hazy about this at this moment...

Could you kindly throw more light on that...

Appreciate your help...

Many Thanks,
jb





"Maxim Treskin" <zerthurd@REDACTED> 
01/24/2008 03:50 PM

To
"J Bhanot" <j.bhanot@REDACTED>
cc
erlang-questions@REDACTED, megaco@REDACTED
Subject
Re: [erlang-questions] running sample progs for MGC and MG






On 24/01/2008, J Bhanot <j.bhanot@REDACTED> wrote:

Hi All, 

I built the stack doing following in FC 8 : 

./configure --disable -sctp 

make all 

make install 

Now i want to test MGC and MG running examples at follwoing location 

/home/j.bhanot/Download/H.248/otp_src_R12B-0/lib/megaco/examples/simple 

i tried to execute megaco_simple_mgc.erl 

following these commands: 

erl -pa ../../../megaco/ebin -s megaco_filter -s megaco 
%%   megaco_simple_mgc:start(). 

but getting the error : 

1> Application initialization failed: no display name and no $DISPLAY 
environment variable 
Error in startup script: no display name and no $DISPLAY environment 
variable 

Question1 : what should the value with which env value DISPLAY be set

DISPLAY is environment variable, which contains address and display number 
of your X server. Megaco sample progs have some GUI to trace megaco 
messages. It seems that you ran stack not in X environment, or under 
another user. 

Question2: these sample applications are made in erlang...is it possible 
to use c/c++ or some other language to use APIs/Functionalities of Megaco 
stack

There is erl_interface library to interact between erlang node and C/C++ 
applications, but it is necessary to run one erlang node for this.


--- Maxim 'Zert' Treskin

ForwardSourceID:NT0000DC1E 
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