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// $Id$
#ifndef SIMPLE_UTIL_C
#define SIMPLE_UTIL_C
#include "Simple_util.h"
#include "tao/IORTable/IORTable.h"
#include "tao/debug.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_fcntl.h"
// Constructor.
template <class Servant>
Server<Servant>::Server (void)
: ior_output_file_ (0),
naming_ (0),
ins_ (0)
{
// no-op.
}
// Destructor.
template <class Servant>
Server<Servant>::~Server (void)
{
}
// Parse the command-line arguments and set options.
template <class Servant> int
Server<Servant>::parse_args (void)
{
ACE_Get_Opt get_opts (this->argc_, this->argv_, "do:ni:");
int c = 0;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag.
TAO_debug_level++;
break;
case 'o': // output the IOR to a file.
this->ior_output_file_ = ACE_OS::fopen (get_opts.opt_arg (), "w");
if (this->ior_output_file_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to open %s for writing: %p\n",
get_opts.opt_arg ()), -1);
break;
case 'n': //Use naming service
this->naming_ = 1;
break;
case 'i': // For Testing the InterOperable Naming Service.
this->ins_ = CORBA::string_dup (get_opts.opt_arg ());
break;
case 'h': // display help for use of the server.
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
" [-d (debug)]"
" [-o] <ior_output_file>"
" [-n (use naming service)]"
" [-i] <InterOperable Naming Service simple object key>"
" [-h (help)]"
"\n",
argv_ [0]),
-1);
}
// Indicates successful parsing of command line.
return 0;
}
// Add the ObjectID:IOR mapping to the IOR table of
// the ORB. Ignore this method if you are not testing for
// the InterOperable Naming Service.
template <class Servant> int
Server<Servant>::test_for_ins (CORBA::String_var ior)
{
CORBA::ORB_var orb = this->orb_manager_.orb ();
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
"Adding (KEY:IOR) %s:%s\n",
this->ins_,
ior.in ()));
try
{
CORBA::Object_var table_object =
orb->resolve_initial_references ("IORTable");
IORTable::Table_var adapter =
IORTable::Table::_narrow (table_object.in ());
if (CORBA::is_nil (adapter.in ()))
{
ACE_ERROR ((LM_ERROR, "Nil IORTable\n"));
}
adapter->bind (this->ins_, ior.in ());
}
catch (const CORBA::Exception&)
{
}
return 0;
}
// Initialize the server.
template <class Servant> int
Server<Servant>::init (const char *servant_name,
int argc,
char *argv[])
{
// Call the init of <TAO_ORB_Manager> to initialize the ORB and
// create a child POA under the root POA.
if (this->orb_manager_.init_child_poa (argc,
argv,
"child_poa") == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"init_child_poa"),
-1);
this->argc_ = argc;
this->argv_ = argv;
int retval = this->parse_args ();
if (retval != 0)
return retval;
CORBA::ORB_var orb = this->orb_manager_.orb ();
// Stash our ORB pointer for later reference.
this->servant_.orb (orb.in ());
if (this->naming_ == 1)
{
// Save name in case we use TAO Naming Service.
name = servant_name;
// Call naming service
if (this->register_name () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"\n Naming Service\n"),-1);
return 0;
}
// Activate the servant in its own child POA.
// Make sure that you check for failures here via the ACE_TRY
// macros?!
try
{
CORBA::String_var str =
this->orb_manager_.activate_under_child_poa (servant_name,
&this->servant_);
ACE_DEBUG ((LM_DEBUG,
"The IOR is: <%s>\n",
str.in ()));
if (this->ins_)
if (this->test_for_ins (str) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"test_for_ins (): failed\n"),
-1);
if (this->ior_output_file_)
{
ACE_OS::fprintf (this->ior_output_file_,
"%s",
str.in ());
ACE_OS::fclose (this->ior_output_file_);
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception (
"\tException in activation of POA");
return -1;
}
return 0;
}
template <class Servant>int
Server<Servant>::run (void)
{
// Run the main event loop for the ORB.
if (this->orb_manager_.run () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"Server_i::run"),
-1);
return 0;
}
template <class Servant> int
Server<Servant>::register_name (void)
{
CORBA::ORB_var orb = this->orb_manager_.orb ();
if (this->naming_client_.init (orb.in ()) == -1)
return -1;
// create the name for the naming service
CosNaming::Name bindName;
bindName.length (1);
bindName[0].id = CORBA::string_dup (name);
// (re)Bind the object.
try
{
CORBA::Object_var object = servant_._this ();
this->orb_manager_.activate_poa_manager ();
naming_client_->rebind (bindName,
object.in());
// Test for INS.
if (this->ins_)
{
CORBA::String_var ior =
orb->object_to_string (object.in ());
if (this->test_for_ins (ior.in ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"test_for_ins (): failed\n"),
-1);
}
}
catch (const CosNaming::NamingContext::AlreadyBound&)
{
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to bind %s \n",
name),
-1);
}
return 0;
}
// Constructor.
template <class INTERFACE_OBJECT, class Var>
Client<INTERFACE_OBJECT, Var>::Client (void)
: ior_ (0),
shutdown_ (0)
{
//no-op
}
// Reads the Server ior from a file
template <class INTERFACE_OBJECT, class Var> int
Client<INTERFACE_OBJECT, Var>::read_ior (char *filename)
{
// Open the file for reading.
ACE_HANDLE f_handle = ACE_OS::open (filename, 0);
if (f_handle == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to open %s for writing: %p\n",
filename),
-1);
ACE_Read_Buffer ior_buffer (f_handle);
char *data = ior_buffer.read ();
if (data == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior: %p\n"),
-1);
this->ior_ = ACE_OS::strdup (data);
ior_buffer.alloc ()->free (data);
ACE_OS::close (f_handle);
return 0;
}
// Parses the command line arguments and returns an error status.
template <class INTERFACE_OBJECT, class Var> int
Client<INTERFACE_OBJECT, Var>::parse_args (void)
{
ACE_Get_Opt get_opts (argc_, argv_, "df:nk:x");
int c = 0;
int result = 0;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag
TAO_debug_level++;
break;
case 'k': // ior provide on command line
this->ior_ = ACE_OS::strdup (get_opts.opt_arg ());
break;
case 'n': // Use naming service
this->naming_ = 1;
break;
case 'f': // read the IOR from the file.
result = this->read_ior (get_opts.opt_arg ());
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior from %s : %p\n",
get_opts.opt_arg ()),
-1);
break;
case 'x': // read the flag for shutting down
this->shutdown_ = 1;
break;
case 'h': // display help for use of the client.
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
" [-d (debug)]"
" [-k] <ior>"
" [-f] <ior_output_file>"
" [-n (use naming service)]"
" [-x (shutdown server)]"
" [-h (help)]"
"\n",
argv_ [0]),
-1);
}
// Indicates successful parsing of command line.
return 0;
}
template <class INTERFACE_OBJECT, class Var>
Client<INTERFACE_OBJECT, Var>::~Client (void)
{
ACE_OS::free (this->ior_);
}
template <class INTERFACE_OBJECT, class Var> int
Client<INTERFACE_OBJECT, Var>::init (const char *name,
int argc,
char **argv)
{
this->argc_ = argc;
this->argv_ = argv;
try
{
// Retrieve the ORB.
this->orb_ = CORBA::ORB_init (this->argc_,
this->argv_,
0);
// Parse command line and verify parameters.
if (this->parse_args () == -1)
return -1;
if(this->ior_ != 0)
{
CORBA::Object_var server_object =
this->orb_->string_to_object (this->ior_);
if (CORBA::is_nil (server_object.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
"invalid ior <%s>\n",
this->ior_),
-1);
this->server_ = INTERFACE_OBJECT::_narrow (server_object.in ());
}
else if (this->naming_ == 1)
{
// No IOR specified. Use the Naming Service
ACE_DEBUG((LM_DEBUG,
"Using the Naming Service \n"));
this->name_ = const_cast<char *> (name);
int retv = this->obtain_initial_references ();
if (retv ==-1)
return -1;
}
else
ACE_ERROR_RETURN ((LM_ERROR,
"no ior or naming options specified\n"),
-1);
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Client_i::init");
return -1;
}
return 0;
}
template <class INTERFACE_OBJECT, class Var> int
Client<INTERFACE_OBJECT, Var>::obtain_initial_references (void)
{
try
{
// Initialize the naming services.
if (naming_client_.init (orb_.in ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"[CLIENT] Process/Thread Id : (%P/%t) Unable to initialize "
"the TAO_Naming_Client. \n"),
-1);
CosNaming::Name server_name (1);
server_name.length (1);
server_name[0].id =
CORBA::string_dup (this->name_);
CORBA::Object_var obj =
naming_client_->resolve (server_name);
this->server_ = INTERFACE_OBJECT::_narrow (obj.in ());
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception (
"Client::obtain_initial_references");
return -1;
}
return 0;
}
template <class INTERFACE_OBJECT, class Var> int
Client<INTERFACE_OBJECT, Var>::shutdown (void)
{
// Returns the shutdwon flag
return shutdown_;
}
template <class INTERFACE_OBJECT, class Var> void
Client<INTERFACE_OBJECT, Var>::shutdown (int flag)
{
// Fills the flag
shutdown_ = flag;
}
#endif /* SIMPLE_UTIL_C */
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