1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/core/smn_handles.cpp	Sun Mar 30 07:00:22 2008 +0000
     1.3 @@ -0,0 +1,117 @@
     1.4 +/**
     1.5 + * vim: set ts=4 :
     1.6 + * =============================================================================
     1.7 + * SourceMod
     1.8 + * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     1.9 + * =============================================================================
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify it under
    1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
    1.13 + * Free Software Foundation.
    1.14 + * 
    1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
    1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 + * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    1.18 + * details.
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License along with
    1.21 + * this program.  If not, see <http://www.gnu.org/licenses/>.
    1.22 + *
    1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
    1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
    1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    1.26 + * by the Valve Corporation.  You must obey the GNU General Public License in
    1.27 + * all respects for all other code used.  Additionally, AlliedModders LLC grants
    1.28 + * this exception to all derivative works.  AlliedModders LLC defines further
    1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    1.30 + * or <http://www.sourcemod.net/license.php>.
    1.31 + *
    1.32 + * Version: $Id$
    1.33 + */
    1.34 +
    1.35 +#include "sm_globals.h"
    1.36 +#include "HandleSys.h"
    1.37 +#include "PluginSys.h"
    1.38 +
    1.39 +static cell_t sm_IsValidHandle(IPluginContext *pContext, const cell_t *params)
    1.40 +{
    1.41 +	Handle_t hndl = static_cast<Handle_t>(params[1]);
    1.42 +
    1.43 +	HandleError err = g_HandleSys.ReadHandle(hndl, 0, NULL, NULL);
    1.44 +
    1.45 +	if (err != HandleError_Access
    1.46 +		&& err != HandleError_None)
    1.47 +	{
    1.48 +		return 0;
    1.49 +	}
    1.50 +
    1.51 +	return 1;
    1.52 +}
    1.53 +
    1.54 +static cell_t sm_CloseHandle(IPluginContext *pContext, const cell_t *params)
    1.55 +{
    1.56 +	Handle_t hndl = static_cast<Handle_t>(params[1]);
    1.57 +	HandleSecurity sec;
    1.58 +
    1.59 +	sec.pIdentity = NULL;
    1.60 +	sec.pOwner = pContext->GetIdentity();
    1.61 +
    1.62 +	HandleError err = g_HandleSys.FreeHandle(hndl, &sec);
    1.63 +  
    1.64 +	if (err == HandleError_None)
    1.65 +	{
    1.66 +		return 1;
    1.67 +	} else if (err == HandleError_Access) {
    1.68 +		return 0;
    1.69 +	} else {
    1.70 +		return pContext->ThrowNativeError("Handle %x is invalid (error %d)", hndl, err);
    1.71 +	}
    1.72 +}
    1.73 +
    1.74 +static cell_t sm_CloneHandle(IPluginContext *pContext, const cell_t *params)
    1.75 +{
    1.76 +	Handle_t new_hndl;
    1.77 +	Handle_t hndl = static_cast<Handle_t>(params[1]);
    1.78 +	HandleError err;
    1.79 +	IdentityToken_t *pNewOwner;
    1.80 +	
    1.81 +	if (params[2] == 0)
    1.82 +	{
    1.83 +		pNewOwner = pContext->GetIdentity();
    1.84 +	} else {
    1.85 +		Handle_t hPlugin = static_cast<Handle_t>(params[2]);
    1.86 +		IPlugin *pPlugin = g_PluginSys.PluginFromHandle(hPlugin, &err);
    1.87 +		if (!pPlugin)
    1.88 +		{
    1.89 +			return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", hndl, err);
    1.90 +		}
    1.91 +		pNewOwner = pPlugin->GetIdentity();
    1.92 +	}
    1.93 +
    1.94 +	err = g_HandleSys.CloneHandle(hndl, &new_hndl, pNewOwner, NULL);
    1.95 +
    1.96 +	if (err == HandleError_Access)
    1.97 +	{
    1.98 +		return 0;
    1.99 +	} else if (err == HandleError_None) {
   1.100 +		return new_hndl;
   1.101 +	} else {
   1.102 +		return pContext->ThrowNativeError("Handle %x cannot be cloned because it is invalid (error %d)", hndl, err);
   1.103 +	}
   1.104 +}
   1.105 +
   1.106 +static cell_t sm_GetMyHandle(IPluginContext *pContext, const cell_t *params)
   1.107 +{
   1.108 +	CPlugin *pPlugin = g_PluginSys.GetPluginByCtx(pContext->GetContext());
   1.109 +
   1.110 +	return pPlugin->GetMyHandle();
   1.111 +}
   1.112 +
   1.113 +REGISTER_NATIVES(handles)
   1.114 +{
   1.115 +	{"IsValidHandle",			sm_IsValidHandle},
   1.116 +	{"CloseHandle",				sm_CloseHandle},
   1.117 +	{"CloneHandle",				sm_CloneHandle},
   1.118 +	{"GetMyHandle",				sm_GetMyHandle},
   1.119 +	{NULL,						NULL},
   1.120 +};