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/*****************************************************************************
$Id$
File: binder.cpp
Date: 07Apr06
Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
Gmail: blackhedd
This program is free software; you can redistribute it and/or modify
it under the terms of either: 1) the GNU General Public License
as published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version; or 2) Ruby's License.
See the file COPYING for complete licensing information.
*****************************************************************************/
#include "project.h"
#define DEV_URANDOM "/dev/urandom"
map<unsigned long, Bindable_t*> Bindable_t::BindingBag;
/********************************
STATIC Bindable_t::CreateBinding
********************************/
unsigned long Bindable_t::CreateBinding()
{
static unsigned long num = 0;
while(BindingBag[++num]);
return num;
}
#if 0
string Bindable_t::CreateBinding()
{
static int index = 0;
static string seed;
if ((index >= 1000000) || (seed.length() == 0)) {
#ifdef OS_UNIX
int fd = open (DEV_URANDOM, O_RDONLY);
if (fd < 0)
throw std::runtime_error ("No entropy device");
unsigned char u[16];
size_t r = read (fd, u, sizeof(u));
if (r < sizeof(u))
throw std::runtime_error ("Unable to read entropy device");
unsigned char *u1 = (unsigned char*)u;
char u2 [sizeof(u) * 2 + 1];
for (size_t i=0; i < sizeof(u); i++)
sprintf (u2 + (i * 2), "%02x", u1[i]);
seed = string (u2);
#endif
#ifdef OS_WIN32
UUID uuid;
UuidCreate (&uuid);
unsigned char *uuidstring = NULL;
UuidToString (&uuid, &uuidstring);
if (!uuidstring)
throw std::runtime_error ("Unable to read uuid");
seed = string ((const char*)uuidstring);
RpcStringFree (&uuidstring);
#endif
index = 0;
}
stringstream ss;
ss << seed << (++index);
return ss.str();
}
#endif
/*****************************
STATIC: Bindable_t::GetObject
*****************************/
Bindable_t *Bindable_t::GetObject (const unsigned long binding)
{
map<unsigned long, Bindable_t*>::const_iterator i = BindingBag.find (binding);
if (i != BindingBag.end())
return i->second;
else
return NULL;
}
/**********************
Bindable_t::Bindable_t
**********************/
Bindable_t::Bindable_t()
{
Binding = Bindable_t::CreateBinding();
BindingBag [Binding] = this;
}
/***********************
Bindable_t::~Bindable_t
***********************/
Bindable_t::~Bindable_t()
{
BindingBag.erase (Binding);
}
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