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// $Id$
#include "nestea_i.h"
#include "tao/corba.h"
#include "ace/FILE_Connector.h"
const size_t MAX_UINT32_STR_LEN = 11; // Largest UINT32 is 8589934591 + NUL is 11 characters
ACE_RCSID(ImplRepo, nestea_i, "$Id$")
// Constructor
Nestea_i::Nestea_i (const char *filename, int shutdown)
: shutdown_ (shutdown),
cans_ (0)
{
this->data_filename_ = ACE::strnew (filename);
// @@ This should probably be called from somewhere else
this->load_data ();
}
// Destructor
Nestea_i::~Nestea_i (void)
{
delete this->data_filename_;
}
// Add <cans> number of cans to the bookshelf.
void
Nestea_i::drink (CORBA::Long cans,
CORBA::Environment &ACE_TRY_ENV)
{
ACE_UNUSED_ARG (ACE_TRY_ENV);
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::drink %d cans\n", cans));
this->cans_ += cans;
if (this->shutdown_ != 0)
TAO_ORB_Core_instance ()->orb ()->shutdown ();
this->save_data ();
}
// Removes <cans> number of cans from the bookshelf.
void
Nestea_i::crush (CORBA::Long cans,
CORBA::Environment &ACE_TRY_ENV)
{
ACE_UNUSED_ARG (ACE_TRY_ENV);
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::crush %d cans\n", cans));
if (cans > this->cans_)
this->cans_ = 0;
else
this->cans_ -= cans;
if (this->shutdown_ != 0)
TAO_ORB_Core_instance ()->orb ()->shutdown ();
this->save_data ();
}
// Returns the number of cans in the bookshelf.
CORBA::Long
Nestea_i::bookshelf_size (CORBA::Environment &ACE_TRY_ENV)
{
ACE_UNUSED_ARG (ACE_TRY_ENV);
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::bookshelf_size\n"));
if (this->shutdown_ != 0)
TAO_ORB_Core_instance ()->orb ()->shutdown ();
return this->cans_;
}
// Returns comments about your collection.
char *
Nestea_i::get_praise (CORBA::Environment &ACE_TRY_ENV)
{
ACE_UNUSED_ARG (ACE_TRY_ENV);
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::get_praise\n"));
if (this->shutdown_ != 0)
TAO_ORB_Core_instance ()->orb ()->shutdown ();
if (this->cans_ > 500)
return CORBA::string_dup ("Man, that is one excellent Nestea Collection!");
else if (this->cans_ > 250)
return CORBA::string_dup ("We are getting into the big leagues now!");
else if (this->cans_ > 100)
return CORBA::string_dup ("Things are looking up!");
else if (this->cans_ > 0)
return CORBA::string_dup ("Well, it is a start. Drink more Nestea!");
else
return CORBA::string_dup ("No cans, no praise.");
}
// Saves bookshelf data to a file.
int
Nestea_i::save_data (void)
{
ACE_FILE_IO file;
ACE_FILE_Addr filename (this->data_filename_);
char str[MAX_UINT32_STR_LEN];
ACE_OS::sprintf (str, "%d", this->cans_);
return file.send_n (str, ACE_OS::strlen (str) + 1);
}
// Loads bookshelf data from a file.
int
Nestea_i::load_data (void)
{
ACE_FILE_IO file;
ACE_FILE_Addr filename ("nestea.dat");
char str[12];
int len = file.recv (str, ACE_OS::strlen (str) + 1);
str[len] = 0;
if (len > 0)
this->cans_ = ACE_OS::atoi (str);
else
this->cans_ = 0;
return 0;
}
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