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// $Id$
#include <tao/IIOP_Profile.h>
#include <tao/Stub.h>
// this gives all we need
// URL SYNTAX
// IOP:major.minor//host:port/object_key
const char host_base[] = "myhost";
const int port_base = 10000;
const TAO_ObjectKey key_base (0);
const ACE_INET_Addr addr_base;
STUB_Object **FWD_STUBS = 0;
STUB_Object *base_stub = 0;
// a stand in for TAO_GIOP_Invocation::start which calls
// TAO_Connector_Registry::connect (STUB_Object *&obj, ...)
// connect will then get the profile_in_use () and call the
// corresponding concrete connectors connect method.
int
mystart ()
{
// this is where we would get the connector registry
// and ask it to connect us to the STUB_Object
char answer[80];
TAO_IIOP_Profile *pfile =
ACE_dynamic_cast (TAO_IIOP_Profile *, base_stub->profile_in_use ());
printf("Try to connect to host %s, port %d\n",
pfile->host (), pfile->port ());
printf("Succeed or Error [s|e]? ");
scanf ("%s", answer);
printf("\n");
if (*answer == 'e' || *answer == 'E')
return -1;
else
return 0;
}
int
myinvoke ()
{
TAO_IIOP_Profile *pfile =
ACE_dynamic_cast (TAO_IIOP_Profile *, base_stub->profile_in_use ());
STUB_Object *fwd_stub=0;
char answer[80];
printf("Sending request to host %s, port %d\n",
pfile->host (), pfile->port ());
printf("Succeed, Error or Forward [s|e|f]? ");
scanf ("%s", answer);
printf("\n");
if (*answer == 'f' || *answer == 'F')
{
// Forward request
if ((fwd_stub = *FWD_STUBS) == 0)
{
// no more fwd stubs left, can't forward
printf("No fwd stubs left, can't forward, change to ERROR!\n");
*answer = 'e';
}
else
{
++FWD_STUBS;
// this logic is actually in
// TAO_GIOP_Invocation::location_forward
base_stub->add_forward_profiles (fwd_stub->get_profiles ());
}
}
if (*answer == 'e' || *answer == 'E')
return -1;
else if (*answer == 's' || *answer == 'S')
return 0;
else
return 1;
}
main (int argc, char **argv)
{
int npfiles=0,nfwds=0,tpfiles=0;
TAO_MProfile **mpfiles;
if (argc > 1)
{
// get number of profiles and forwards
npfiles = atoi(argv[1]);
nfwds = atoi(argv[2]);
}
else
{
npfiles = 3;
nfwds = 3;
}
tpfiles = npfiles * nfwds;
printf("\nUsing %d profiles per IOR and %d forward IORs (%d total pfiles)\n",
npfiles, nfwds-1, tpfiles);
STUB_Object **stubobjs = new STUB_Object *[nfwds+1];
mpfiles = new TAO_MProfile *[nfwds];
char host[512];
int port = 0;
// Create the profile lists
for (int i=0;i<nfwds;i++)
{
mpfiles [i] = new TAO_MProfile (npfiles);
for (int j=0;j<npfiles;j++)
{
sprintf(host, "%s%d.%d", host_base, i, j);
port = port_base + 100 * i + j;
printf("\t%d) Creating profile for host %s, port %d and stub %d\n",
j, host, port, i);
TAO_IIOP_Profile *pfile = new TAO_IIOP_Profile(host,
port,
key_base,
addr_base);
if (mpfiles [i]->add_profile (pfile) < 0)
{
printf ("Error adding profile to mprofile!!\n");
return(1);
}
} // adding pfiles to the MProfile list.
stubobjs [i] = new STUB_Object ((char *)0, mpfiles [i]);
} // greating MProfile pfile lists
// so, mpfiles [0] is the initial list and corresponds to the
// original STUB_Object stubobjs [0].
// mpfiles [1...nfwds-1] are the forward pfile lists and corresponds
// to the STUB_Objects stubobjs [1...nfwds-1]
FWD_STUBS = stubobjs+1;
base_stub = stubobjs [0];
stubobjs [nfwds] = 0; // marks end of list!
// *** The forwarding loop!
roundtrip_continue_label:
{
if (mystart () < 0) // call.start (...) in do_static_call
{
// connect failed
// in real life an exception is through of either
// INTERNAL COMPLETED_NO or
// TRANSIENT COMPLETED_NO
// So this should be in a TAO_CATCH ... TAO_ENDTRY
printf("Connect Failed!\n");
if (base_stub->profile_success_ && base_stub->forward_profiles_)
{
// reset profiles list and start all over again
base_stub->reset_profiles ();
goto roundtrip_continue_label;
}
else if (base_stub->next_profile () != 0)
{
goto roundtrip_continue_label;
}
else
{
printf("That was our last profile, exit!\n");
return(0);
}
}
// we are connected, try sending request
// in real life invoke returns
// TAO_GIOP_NO_EXCEPTION
// TAO_GIOP_USER_EXCEPTION
// TAO_GIOP_SYSTEM_EXCEPTION
// ** TAO_GIOP_LOCATION_FORWARD
// Exceptions
// CORBA::TRANSIENT (CORBA::COMPLETED_MAYBE)
// CORBA::COMM_FAILURE (CORBA::COMPLETED_MAYBE)
int result = myinvoke (); // this is call.invoke (...)
if (result == 0)
{ // TAO_GIOP_NO_EXCEPTION
printf("Invocation succeeded.\n");
}
else if (result == -1)
{ exception or TAO_GIOP_USER_EXCEPTION, TAO_GIOP_SYSTEM_EXCEPTION
printf ("Invocation Failed NO FWD!\n");
}
else
{
printf ("Invocation was FORWARDED!\n");
}
if (result != 0)
{
// get the next profile. If we were forwarded the new, forward
// profile list has already been added to the stub object so all
// we got to do here is get the next profile!
if (base_stub->profile_success_ && base_stub->forward_profiles_)
{
printf("Resetting profiles!\n");
base_stub->reset_profiles ();
goto roundtrip_continue_label;
}
else if (base_stub->next_profile () != 0)
{
goto roundtrip_continue_label;
}
else
{
printf("That was our last profile, exiting\n");
}
}
else
{
base_stub->set_valid_profile ();
goto roundtrip_continue_label;
}
}
return (0);
}
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