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// $Id$
#include "nestea_i.h"
#include "tao/debug.h"
#include "ace/ACE.h"
#include "ace/FILE_Addr.h"
#include "ace/FILE_Connector.h"
#include "ace/FILE_IO.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_string.h"
const size_t MAX_UINT32_STR_LEN = 11; // Largest UINT32 is 8589934591 + NUL is 11 characters
Nestea_i::Nestea_i (CORBA::ORB_ptr orb, const ACE_TCHAR *filename)
: cans_ (0)
{
orb_ = CORBA::ORB::_duplicate(orb);
this->data_filename_ = ACE::strnew (filename);
// @@ This should probably be called from somewhere else
this->load_data ();
}
Nestea_i::~Nestea_i (void)
{
delete [] this->data_filename_;
}
// Add <cans> number of cans to the bookshelf.
void
Nestea_i::drink (CORBA::Long cans)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::drink %d cans\n", cans));
this->cans_ += cans;
this->save_data ();
}
// Removes <cans> number of cans from the bookshelf.
void
Nestea_i::crush (CORBA::Long cans)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::crush %d cans\n", cans));
if (static_cast<ACE_UINT32> (cans) > this->cans_)
this->cans_ = 0;
else
this->cans_ -= cans;
this->save_data ();
}
// Returns the number of cans in the bookshelf.
CORBA::Long
Nestea_i::bookshelf_size (void)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::bookshelf_size\n"));
return this->cans_;
}
// Returns comments about your collection.
char *
Nestea_i::get_praise (void)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::get_praise\n"));
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.");
}
void
Nestea_i::shutdown (void)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG, "Nestea_i::shutdown\n"));
orb_->shutdown(0);
}
// Saves bookshelf data to a file.
int
Nestea_i::save_data (void)
{
ACE_FILE_IO file;
ACE_FILE_Connector connector;
if (connector.connect (file,
ACE_FILE_Addr (this->data_filename_),
0,
ACE_Addr::sap_any) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n to %s",
"connect",
this->data_filename_),
-1);
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_Connector connector;
if (connector.connect (file,
ACE_FILE_Addr (this->data_filename_),
0,
ACE_Addr::sap_any) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n to %s",
"connect",
this->data_filename_),
-1);
char str[MAX_UINT32_STR_LEN];
int len = file.recv (str, MAX_UINT32_STR_LEN);
str[len] = 0;
if (len > 0)
this->cans_ = ACE_OS::atoi (str);
else
this->cans_ = 0;
return 0;
}
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