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// -*- C++ -*-
// $Id$
#include "Client_i.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
// Constructor.
Client_i::Client_i (void)
: ior_ (0),
shutdown_ (0),
server_ (),
grid_ (0),
height_ (0),
width_ (0),
setx_ (0),
sety_ (0),
setvalue_ (0)
{
// no-op
}
// Reads the Server factory ior from a file
int
Client_i::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,
"(%P|%t) 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,
"(%P|%t) 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.
int
Client_i::parse_args (void)
{
// Gets the command line options
// The string enclosed in " " essentially tells us
// what to expect from the command line options.
ACE_Get_Opt get_opts (argc_, argv_, "df:sk:w:h:x:y:v:");
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.optarg);
break;
case 'f': // read the IOR from the file.
result = this->read_ior (get_opts.optarg);
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) Unable to read ior from %s : %p\n",
get_opts.optarg),
-1);
break;
case 'h': // Height of the grid.
height_ = (u_int) ACE_OS::atoi (get_opts.optarg);
break;
case 'w': // Width of the grid.
width_ = (u_int) ACE_OS::atoi (get_opts.optarg);
break;
case 'x': // A x value of the grid where a value needs
// to be stored.
setx_ = (u_int) ACE_OS::atoi (get_opts.optarg);
break;
case 'y': // A y value of the grid where a value needs
// to be stored.
sety_ = (u_int) ACE_OS::atoi (get_opts.optarg);
break;
case 'v': // A value that needs to be stored a grid[x][y].
setvalue_ = (u_int) ACE_OS::atoi (get_opts.optarg);
break;
case 's': // Shutdown server.
this->shutdown_ = 1;
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
" [-d]"
" [-f ior-file]"
" [-w width]"
" [-h height]"
" [-k ior]"
" [-s]"
" [-x cell location]"
" [-y cell location]"
" [-v value ]"
"\n",
this->argv_ [0]),
-1);
}
if (setx_ == 0 )
setx_ = Grid::DEFAULT_LOCATION;
if (sety_ == 0 )
sety_ = Grid::DEFAULT_LOCATION;
if (setvalue_ == 0 )
setvalue_ = Grid::DEFAULT_VALUE;
// Indicates successful parsing of command line.
return 0;
}
// Get the Grid on the server
void
Client_i::test_grid (void)
{
// Make the RMI.
TAO_TRY
{
this->grid_ = this->server_->make_grid (width_,
height_,
this->env_);
TAO_CHECK_ENV;
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) Made the grid succesfully\n"));
// Set a value for a grid.
this->grid_->set (setx_,
sety_,
setvalue_,
TAO_TRY_ENV);
TAO_CHECK_ENV;
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) Setting a value for the grid\n"));
// Get the value of the grid
CORBA::Long ret_val = this->grid_->get (setx_,
sety_,
TAO_TRY_ENV);
ACE_ASSERT (ret_val == setvalue_);
TAO_CHECK_ENV;
}
TAO_CATCH (CORBA::UserException, range_ex)
{
ACE_UNUSED_ARG (range_ex);
TAO_TRY_ENV.print_exception (" From set and get grid ");
}
TAO_CATCH (CORBA::SystemException, memex)
{
ACE_UNUSED_ARG (memex);
TAO_TRY_ENV.print_exception (" Cannot make grid as Memory exhausted");
}
TAO_ENDTRY;
}
// Execute client example code.
int
Client_i::run (void)
{
// Make the grid.
this->test_grid ();
// Destroy the grid.
this->grid_->destroy ();
// Shutdown the server
if (this->shutdown_)
this->server_->shutdown (this->env_);
return 0;
}
Client_i::~Client_i (void)
{
ACE_OS::free (this->ior_);
}
int
Client_i::init (int argc, char **argv)
{
this->argc_ = argc;
this->argv_ = argv;
TAO_TRY
{
// Retrieve the ORB.
this->orb_ = CORBA::ORB_init (this->argc_,
this->argv_,
0,
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Parse command line and verify parameters.
if (this->parse_args () == -1)
return -1;
if (this->ior_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) %s: no ior specified\n",
this->argv_[0]),
-1);
CORBA::Object_var server_object =
this->orb_->string_to_object (this->ior_,
TAO_TRY_ENV);
TAO_CHECK_ENV;
if (CORBA::is_nil (server_object.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) invalid ior <%s>\n",
this->ior_),
-1);
this->server_ = Grid_Factory::_narrow (server_object.in (),
TAO_TRY_ENV);
TAO_CHECK_ENV;
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("Client_i::init");
return -1;
}
TAO_ENDTRY;
return 0;
}
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