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// $Id$
//===================================================================
// = LIBRARY
// TAO/tests/POA/Default_Servant/client
//
// = FILENAME
// client.cpp
//
// = DESCRIPTION
// A client program for the File IDL module
//
// = AUTHOR
// Irfan Pyarali
//
//====================================================================
#include "FileC.h"
#include "tao/debug.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "ace/OS.h"
#include "ace/SString.h"
#include "ace/Thread_Manager.h"
ACE_RCSID(Default_Servant, client, "client.cpp,v 1.8 2001/03/26 21:16:52 coryan Exp")
static const char *iorfile = "ior";
static const char *filename = "big.txt";
static int NUM_THREADS = 4;
static int iterations = 100;
static CORBA::ORB_var orb;
static int
parse_args (int argc, char **argv)
{
ACE_Get_Opt get_opts (argc, argv, "t:dk:f:i:");
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd':
TAO_debug_level++;
break;
case 'k':
iorfile = get_opts.opt_arg ();
break;
case 'f':
filename = get_opts.opt_arg ();
break;
case 't':
NUM_THREADS = ACE_OS::atoi (get_opts.opt_arg ());
break;
case 'i':
iterations = ACE_OS::atoi (get_opts.opt_arg ());
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
"[-k <iorfile>]"
"[-f <filename>]"
"[-m <message>]"
"[-t <threads>]"
"[-i <iterations>]"
"\n",
argv [0]),
-1);
}
if (iorfile == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Please specify the IOR for the servant"), -1);
// Indicates successful parsing of command line.
return 0;
}
void
validate_connection (CORBA::Object_ptr object)
{
// Try to validate the connection several times, ignoring transient
// exceptions. If the connection can still not be setup, return
// failure.
for (int i = 0; i < 100; ++i)
{
try
{
object->_non_existent ();
}
catch (const CORBA::TRANSIENT& )
{
// Ignore...
}
catch (const CORBA::Exception&)
{
// Rethrow any other exceptions.
throw;
}
}
}
static void *
MTTEST (void *args)
{
ACE_CString &ior = *(ACE_CString*)args;
try
{
CORBA::Object_var object = orb->string_to_object (ior.c_str ());
validate_connection (object.in ());
// Narrow the object reference to a File::System
File::System_var file_system = File::System::_narrow (object.in ());
// Creat the file filename i.e "test"
File::Descriptor_var fd = file_system->open (filename,
O_RDONLY);
for( int i = 0; i < iterations; ++i)
{
//seek to the beginning of the file
#if 0
ACE_DEBUG((LM_DEBUG,"Making request number %d\n",i));
#endif /*if 0*/
fd->lseek (0, SEEK_SET);
// Read back the written message
// Twice the size of the socket buffer
File::Descriptor::DataBuffer_var data_received = fd->read (128*1024);
}
// close the file
fd->destroy ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught in main");
return 0;
}
return 0;
}
int
main (int argc, char **argv)
{
try
{
// Initialize the ORB
orb = CORBA::ORB_init (argc, argv);
// Parse the command-line arguments to get the IOR
parse_args (argc, argv);
// parse args should catch this, but just in case...
if (iorfile == 0)
return 0;
// Read the file, and get the IOR
ACE_HANDLE input_file = ACE_OS::open (iorfile, 0);
if (input_file == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot open input file for reading IOR: %s\n",
iorfile),
-1);
ACE_Read_Buffer ior_buffer (input_file);
char *data = ior_buffer.read ();
if (data == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior\n"),
-1);
ACE_CString ior = data;
ior_buffer.alloc ()-> free (data);
ACE_OS::close (input_file);
if (ACE_Thread_Manager::instance ()->spawn_n (NUM_THREADS,
ACE_THR_FUNC (MTTEST),
&ior,
THR_NEW_LWP | THR_DETACHED) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n%a"),
ACE_TEXT ("thread create failed")));
}
ACE_Thread_Manager::instance()->wait();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught in main");
return -1;
}
return 0;
}
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