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