#!/usr/bin/env python
import sys

# Import the CORBA module
from omniORB import CORBA

# Import the stubs for the CosNaming and Example modules
import CosNaming, Example


class EchoNSHostClient:	
    def __init__ (self, nsName):
        self.nsHostName=nsName
        # Initialise the ORB
        self.orb = CORBA.ORB_init( ["-", "-ORBInitRef", "NameService=corbaloc:iiop:" + self.nsHostName + ":2809/NameService"] )

        # Obtain a reference to the root naming context
        obj         = self.orb.resolve_initial_references("NameService")
        rootContext = obj._narrow(CosNaming.NamingContext)

        if rootContext is None:
            print "Failed to narrow the root naming context"
            sys.exit(1)

        # Resolve the name "test.my_context/ExampleEcho.Object"
        name = [CosNaming.NameComponent("test", "my_context"),
                CosNaming.NameComponent("ExampleEcho", "Object")]

        try:
            obj = rootContext.resolve(name)

        except CosNaming.NamingContext.NotFound, ex:
            print "Name not found"
            sys.exit(1)

        # Narrow the object to an Example::Echo
        self.eo = obj._narrow(Example.Echo)

        if (self.eo is None):
            print "Object reference is not an Example::Echo"
            sys.exit(1)

    def Echo(self, message):
        # Invoke the echoString operation
        result  = self.eo.echoString(message)
        print "I said '%s'.   The object said '%s'." % (message,result)


# Get the name service host name from the command line (without
# checking that the arguments are sensible!)
nsHostName1 = sys.argv[1]
nsHostName2 = sys.argv[2]

c1=EchoNSHostClient(nsHostName1)
c2=EchoNSHostClient(nsHostName2)
c1.Echo("A message to host "+nsHostName1)
c2.Echo("A message to host "+nsHostName2)