sourcemod-central: core/logic/PluginSys.cpp@568f4497ef4a

     1 /**

     2  * vim: set ts=4 sw=4 tw=99 noet :

     3  * =============================================================================

     4  * SourceMod

     5  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.

     6  * =============================================================================

     7  *

     8  * This program is free software; you can redistribute it and/or modify it under

     9  * the terms of the GNU General Public License, version 3.0, as published by the

    10  * Free Software Foundation.

    11  *

    12  * This program is distributed in the hope that it will be useful, but WITHOUT

    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

    14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

    15  * details.

    16  *

    17  * You should have received a copy of the GNU General Public License along with

    18  * this program.  If not, see <http://www.gnu.org/licenses/>.

    19  *

    20  * As a special exception, AlliedModders LLC gives you permission to link the

    21  * code of this program (as well as its derivative works) to "Half-Life 2," the

    22  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

    23  * by the Valve Corporation.  You must obey the GNU General Public License in

    24  * all respects for all other code used.  Additionally, AlliedModders LLC grants

    25  * this exception to all derivative works.  AlliedModders LLC defines further

    26  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

    27  * or <http://www.sourcemod.net/license.php>.

    28  *

    29  * Version: $Id$

    30  */

    32 #include <stdio.h>

    33 #include <stdarg.h>

    34 #include "PluginSys.h"

    35 #include "ShareSys.h"

    36 #include <ILibrarySys.h>

    37 #include <ISourceMod.h>

    38 #include <IHandleSys.h>

    39 #include <IForwardSys.h>

    40 #include <IPlayerHelpers.h>

    41 #include "ExtensionSys.h"

    42 #include "GameConfigs.h"

    43 #include "common_logic.h"

    44 #include "Translator.h"

    46 CPluginManager g_PluginSys;

    47 HandleType_t g_PluginType = 0;

    48 IdentityType_t g_PluginIdent = 0;

    50 CPlugin::CPlugin(const char *file)

    51 {

    52 	static int MySerial = 0;

    54 	m_type = PluginType_Private;

    55 	m_status = Plugin_Uncompiled;

    56 	m_bSilentlyFailed = false;

    57 	m_serial = ++MySerial;

    58 	m_pRuntime = NULL;

    59 	m_errormsg[sizeof(m_errormsg) - 1] = '\0';

    60 	smcore.Format(m_filename, sizeof(m_filename), "%s", file);

    61 	m_handle = 0;

    62 	m_ident = NULL;

    63 	m_FakeNativesMissing = false;

    64 	m_LibraryMissing = false;

    65 	m_bGotAllLoaded = false;

    66 	m_pPhrases = g_Translator.CreatePhraseCollection();

    67 	m_MaxClientsVar = NULL;

    68 }

    70 CPlugin::~CPlugin()

    71 {

    72 	if (m_handle)

    73 	{

    74 		HandleSecurity sec;

    75 		sec.pOwner = g_PluginSys.GetIdentity();

    76 		sec.pIdentity = sec.pOwner;

    78 		handlesys->FreeHandle(m_handle, &sec);

    79 		g_ShareSys.DestroyIdentity(m_ident);

    80 	}

    82 	if (m_pRuntime != NULL)

    83 	{

    84 		delete m_pRuntime;

    85 		m_pRuntime = NULL;

    86 	}

    88 	for (size_t i=0; i<m_configs.size(); i++)

    89 	{

    90 		delete m_configs[i];

    91 	}

    92 	m_configs.clear();

    93 	if (m_pPhrases != NULL)

    94 	{

    95 		m_pPhrases->Destroy();

    96 		m_pPhrases = NULL;

    97 	}

    98 }

   100 void CPlugin::InitIdentity()

   101 {

   102 	if (!m_handle)

   103 	{

   104 		m_ident = g_ShareSys.CreateIdentity(g_PluginIdent, this);

   105 		m_handle = handlesys->CreateHandle(g_PluginType, this, g_PluginSys.GetIdentity(), g_PluginSys.GetIdentity(), NULL);

   106 		m_pRuntime->GetDefaultContext()->SetKey(1, m_ident);

   107 		m_pRuntime->GetDefaultContext()->SetKey(2, (IPlugin *)this);

   108 	}

   109 }

   111 unsigned int CPlugin::CalcMemUsage()

   112 {

   113 	unsigned int base_size =

   114 		sizeof(CPlugin)

   115 		+ sizeof(IdentityToken_t)

   116 		+ (m_configs.size() * (sizeof(AutoConfig *) + sizeof(AutoConfig)))

   117 		+ m_Props.mem_usage();

   119 	for (unsigned int i = 0; i < m_configs.size(); i++)

   120 	{

   121 		base_size += m_configs[i]->autocfg.size();

   122 		base_size += m_configs[i]->folder.size();

   123 	}

   125 	for (List<String>::iterator i = m_Libraries.begin();

   126 		 i != m_Libraries.end();

   127 		 i++)

   128 	{

   129 		base_size += (*i).size();

   130 	}

   132 	for (List<String>::iterator i = m_RequiredLibs.begin();

   133 		 i != m_RequiredLibs.end();

   134 		 i++)

   135 	{

   136 		base_size += (*i).size();

   137 	}

   139 	return base_size;

   140 }

   142 Handle_t CPlugin::GetMyHandle()

   143 {

   144 	return m_handle;

   145 }

   147 CPlugin *CPlugin::CreatePlugin(const char *file, char *error, size_t maxlength)

   148 {

   149 	char fullpath[PLATFORM_MAX_PATH];

   150 	g_pSM->BuildPath(Path_SM, fullpath, sizeof(fullpath), "plugins/%s", file);

   151 	FILE *fp = fopen(fullpath, "rb");

   153 	CPlugin *pPlugin = new CPlugin(file);

   155 	if (!fp)

   156 	{

   157 		if (error)

   158 		{

   159 			smcore.Format(error, maxlength, "Unable to open file");

   160 		}

   161 		pPlugin->m_status = Plugin_BadLoad;

   162 		return pPlugin;

   163 	}

   165 	fclose(fp);

   167 	return pPlugin;

   168 }

   170 bool CPlugin::GetProperty(const char *prop, void **ptr, bool remove/* =false */)

   171 {

   172 	StringHashMap<void *>::Result r = m_Props.find(prop);

   173 	if (!r.found())

   174 		return false;

   176 	if (ptr)

   177 		*ptr = r->value;

   179 	if (remove)

   180 		m_Props.remove(r);

   182 	return true;

   183 }

   185 bool CPlugin::SetProperty(const char *prop, void *ptr)

   186 {

   187 	 return m_Props.insert(prop, ptr);

   188 }

   190 IPluginRuntime *CPlugin::GetRuntime()

   191 {

   192 	return m_pRuntime;

   193 }

   195 void CPlugin::SetErrorState(PluginStatus status, const char *error_fmt, ...)

   196 {

   197 	PluginStatus old_status = m_status;

   198 	m_status = status;

   200 	if (old_status == Plugin_Running)

   201 	{

   202 		/* Tell everyone we're now paused */

   203 		g_PluginSys._SetPauseState(this, true);

   204 	}

   206 	va_list ap;

   207 	va_start(ap, error_fmt);

   208 	smcore.FormatArgs(m_errormsg, sizeof(m_errormsg), error_fmt, ap);

   209 	va_end(ap);

   211 	if (m_pRuntime != NULL)

   212 	{

   213 		m_pRuntime->SetPauseState(true);

   214 	}

   215 }

   217 bool CPlugin::UpdateInfo()

   218 {

   219 	/* Now grab the info */

   220 	uint32_t idx;

   221 	IPluginContext *base = GetBaseContext();

   222 	int err = base->FindPubvarByName("myinfo", &idx);

   224 	memset(&m_info, 0, sizeof(m_info));

   226 	if (err == SP_ERROR_NONE)

   227 	{

   228 		struct sm_plugininfo_c_t

   229 		{

   230 			cell_t name;

   231 			cell_t description;

   232 			cell_t author;

   233 			cell_t version;

   234 			cell_t url;

   235 		};

   236 		sm_plugininfo_c_t *cinfo;

   237 		cell_t local_addr;

   239 		base->GetPubvarAddrs(idx, &local_addr, (cell_t **)&cinfo);

   240 		base->LocalToString(cinfo->name, (char **)&m_info.name);

   241 		base->LocalToString(cinfo->description, (char **)&m_info.description);

   242 		base->LocalToString(cinfo->author, (char **)&m_info.author);

   243 		base->LocalToString(cinfo->url, (char **)&m_info.url);

   244 		base->LocalToString(cinfo->version, (char **)&m_info.version);

   245 	}

   247 	m_info.author = m_info.author ? m_info.author : "";

   248 	m_info.description = m_info.description ? m_info.description : "";

   249 	m_info.name = m_info.name ? m_info.name : "";

   250 	m_info.url = m_info.url ? m_info.url : "";

   251 	m_info.version = m_info.version ? m_info.version : "";

   253 	if ((err = base->FindPubvarByName("__version", &idx)) == SP_ERROR_NONE)

   254 	{

   255 		struct __version_info

   256 		{

   257 			cell_t version;

   258 			cell_t filevers;

   259 			cell_t date;

   260 			cell_t time;

   261 		};

   262 		__version_info *info;

   263 		cell_t local_addr;

   264 		const char *pDate, *pTime, *pFileVers;

   266 		pDate = "";

   267 		pTime = "";

   269 		base->GetPubvarAddrs(idx, &local_addr, (cell_t **)&info);

   270 		m_FileVersion = info->version;

   271 		if (m_FileVersion >= 4)

   272 		{

   273 			base->LocalToString(info->date, (char **)&pDate);

   274 			base->LocalToString(info->time, (char **)&pTime);

   275 			smcore.Format(m_DateTime, sizeof(m_DateTime), "%s %s", pDate, pTime);

   276 		}

   277 		if (m_FileVersion > 5)

   278 		{

   279 			base->LocalToString(info->filevers, (char **)&pFileVers);

   280 			SetErrorState(Plugin_Failed, "Newer SourceMod required (%s or higher)", pFileVers);

   281 			return false;

   282 		}

   283 	}

   284 	else

   285 	{

   286 		m_FileVersion = 0;

   287 	}

   289 	if ((err = base->FindPubvarByName("MaxClients", &idx)) == SP_ERROR_NONE)

   290 	{

   291 		base->GetPubvarByIndex(idx, &m_MaxClientsVar);

   292 	}

   294 	return true;

   295 }

   297 void CPlugin::SyncMaxClients(int max_clients)

   298 {

   299 	if (m_MaxClientsVar == NULL)

   300 	{

   301 		return;

   302 	}

   304 	*m_MaxClientsVar->offs = max_clients;

   305 }

   307 void CPlugin::Call_OnPluginStart()

   308 {

   309 	if (m_status != Plugin_Loaded)

   310 	{

   311 		return;

   312 	}

   314 	m_status = Plugin_Running;

   316 	SyncMaxClients(playerhelpers->GetMaxClients());

   318 	cell_t result;

   319 	IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("OnPluginStart");

   320 	if (!pFunction)

   321 	{

   322 		return;

   323 	}

   325 	int err;

   326 	if ((err=pFunction->Execute(&result)) != SP_ERROR_NONE)

   327 	{

   328 		SetErrorState(Plugin_Error, "Error detected in plugin startup (see error logs)");

   329 	}

   330 }

   332 void CPlugin::Call_OnPluginEnd()

   333 {

   334 	if (m_status > Plugin_Paused)

   335 	{

   336 		return;

   337 	}

   339 	cell_t result;

   340 	IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("OnPluginEnd");

   341 	if (!pFunction)

   342 	{

   343 		return;

   344 	}

   346 	pFunction->Execute(&result);

   347 }

   349 void CPlugin::Call_OnAllPluginsLoaded()

   350 {

   351 	if (m_status > Plugin_Paused)

   352 	{

   353 		return;

   354 	}

   356 	if (m_bGotAllLoaded)

   357 	{

   358 		return;

   359 	}

   361 	m_bGotAllLoaded = true;

   363 	cell_t result;

   364 	IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("OnAllPluginsLoaded");

   365 	if (pFunction != NULL)

   366 	{

   367 		pFunction->Execute(&result);

   368 	}

   370 	if (smcore.IsMapRunning())

   371 	{

   372 		if ((pFunction = m_pRuntime->GetFunctionByName("OnMapStart")) != NULL)

   373 		{

   374 			pFunction->Execute(NULL);

   375 		}

   376 	}

   378 	if (smcore.AreConfigsExecuted())

   379 	{

   380 		smcore.ExecuteConfigs(GetBaseContext());

   381 	}

   382 }

   384 APLRes CPlugin::Call_AskPluginLoad(char *error, size_t maxlength)

   385 {

   386 	if (m_status != Plugin_Created)

   387 	{

   388 		return APLRes_Failure;

   389 	}

   391 	m_status = Plugin_Loaded;

   393 	int err;

   394 	cell_t result;

   395 	bool haveNewAPL = false;

   396 	IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad2");

   398 	if (pFunction)

   399 	{

   400 		haveNewAPL = true;

   401 	}

   402 	else if (!(pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad")))

   403 	{

   404 		return APLRes_Success;

   405 	}

   407 	pFunction->PushCell(m_handle);

   408 	pFunction->PushCell(g_PluginSys.IsLateLoadTime() ? 1 : 0);

   409 	pFunction->PushStringEx(error, maxlength, 0, SM_PARAM_COPYBACK);

   410 	pFunction->PushCell(maxlength);

   411 	if ((err=pFunction->Execute(&result)) != SP_ERROR_NONE)

   412 	{

   413 		return APLRes_Failure;

   414 	}

   416 	if (haveNewAPL)

   417 	{

   418 		return (APLRes)result;

   419 	}

   420 	else if (result)

   421 	{

   422 		return APLRes_Success;

   423 	}

   424 	else

   425 	{

   426 		return APLRes_Failure;

   427 	}

   428 }

   430 void *CPlugin::GetPluginStructure()

   431 {

   432 	return NULL;

   433 }

   435 IPluginContext *CPlugin::GetBaseContext()

   436 {

   437 	if (m_pRuntime == NULL)

   438 	{

   439 		return NULL;

   440 	}

   442 	return m_pRuntime->GetDefaultContext();

   443 }

   445 sp_context_t *CPlugin::GetContext()

   446 {

   447 	return NULL;

   448 }

   450 const char *CPlugin::GetFilename()

   451 {

   452 	return m_filename;

   453 }

   455 PluginType CPlugin::GetType()

   456 {

   457 	return m_type;

   458 }

   460 const sm_plugininfo_t *CPlugin::GetPublicInfo()

   461 {

   462 	if (GetStatus() >= Plugin_Created)

   463 	{

   464 		return NULL;

   465 	}

   466 	return &m_info;

   467 }

   469 unsigned int CPlugin::GetSerial()

   470 {

   471 	return m_serial;

   472 }

   474 PluginStatus CPlugin::GetStatus()

   475 {

   476 	return m_status;

   477 }

   479 bool CPlugin::IsSilentlyFailed()

   480 {

   481 	return m_bSilentlyFailed;

   482 }

   484 bool CPlugin::IsDebugging()

   485 {

   486 	if (m_pRuntime == NULL)

   487 	{

   488 		return false;

   489 	}

   491 	return true;

   492 }

   494 void CPlugin::SetSilentlyFailed(bool sf)

   495 {

   496 	m_bSilentlyFailed = sf;

   497 }

   499 void CPlugin::LibraryActions(LibraryAction action)

   500 {

   501 	List<String>::iterator iter;

   502 	for (iter = m_Libraries.begin();

   503 		iter != m_Libraries.end();

   504 		iter++)

   505 	{

   506 		g_PluginSys.OnLibraryAction((*iter).c_str(), action);

   507 	}

   508 }

   510 bool CPlugin::SetPauseState(bool paused)

   511 {

   512 	if (paused && GetStatus() != Plugin_Running)

   513 	{

   514 		return false;

   515 	} else if (!paused && GetStatus() != Plugin_Paused) {

   516 		return false;

   517 	}

   519 	if (paused)

   520 	{

   521 		LibraryActions(LibraryAction_Removed);

   522 	}

   524 	IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("OnPluginPauseChange");

   525 	if (pFunction)

   526 	{

   527 		cell_t result;

   528 		pFunction->PushCell(paused ? 1 : 0);

   529 		pFunction->Execute(&result);

   530 	}

   532 	if (paused)

   533 	{

   534 		m_status = Plugin_Paused;

   535 		m_pRuntime->SetPauseState(true);

   536 	} else {

   537 		m_status = Plugin_Running;

   538 		m_pRuntime->SetPauseState(false);

   539 	}

   541 	g_PluginSys._SetPauseState(this, paused);

   543 	if (!paused)

   544 	{

   545 		LibraryActions(LibraryAction_Added);

   546 	}

   548 	return true;

   549 }

   551 IdentityToken_t *CPlugin::GetIdentity()

   552 {

   553 	return m_ident;

   554 }

   556 bool CPlugin::IsRunnable()

   557 {

   558 	return (m_status <= Plugin_Paused) ? true : false;

   559 }

   561 time_t CPlugin::GetFileTimeStamp()

   562 {

   563 	char path[PLATFORM_MAX_PATH];

   564 	g_pSM->BuildPath(Path_SM, path, sizeof(path), "plugins/%s", m_filename);

   565 #ifdef PLATFORM_WINDOWS

   566 	struct _stat s;

   567 	if (_stat(path, &s) != 0)

   568 #elif defined PLATFORM_POSIX

   569 	struct stat s;

   570 	if (stat(path, &s) != 0)

   571 #endif

   572 	{

   573 		return 0;

   574 	}

   575 	else

   576 	{

   577 		return s.st_mtime;

   578 	}

   579 }

   581 time_t CPlugin::GetTimeStamp()

   582 {

   583 	return m_LastAccess;

   584 }

   586 void CPlugin::SetTimeStamp(time_t t)

   587 {

   588 	m_LastAccess = t;

   589 }

   591 IPhraseCollection *CPlugin::GetPhrases()

   592 {

   593 	return m_pPhrases;

   594 }

   596 void CPlugin::DependencyDropped(CPlugin *pOwner)

   597 {

   598 	if (!m_pRuntime)

   599 		return;

   601 	List<String>::iterator reqlib_iter;

   602 	List<String>::iterator lib_iter;

   603 	for (lib_iter=pOwner->m_Libraries.begin(); lib_iter!=pOwner->m_Libraries.end(); lib_iter++)

   604 	{

   605 		for (reqlib_iter=m_RequiredLibs.begin(); reqlib_iter!=m_RequiredLibs.end(); reqlib_iter++)

   606 		{

   607 			if ((*reqlib_iter) == (*lib_iter))

   608 				m_LibraryMissing = true;

   609 		}

   610 	}

   612 	unsigned int unbound = 0;

   613 	for (size_t i = 0; i < pOwner->m_fakes.length(); i++)

   614 	{

   615 		ke::Ref<Native> entry(pOwner->m_fakes[i]);

   617 		uint32_t idx;

   618 		if (m_pRuntime->FindNativeByName(entry->name(), &idx) != SP_ERROR_NONE)

   619 			continue;

   621 		sp_native_t *native;

   622 		m_pRuntime->GetNativeByIndex(idx, &native);

   624 		native->pfn = NULL;

   625 		native->status = SP_NATIVE_UNBOUND;

   626 		unbound++;

   627 	}

   629 	if (unbound)

   630 	{

   631 		m_FakeNativesMissing = true;

   632 	}

   634 	/* :IDEA: in the future, add native trapping? */

   635 	if (m_FakeNativesMissing || m_LibraryMissing)

   636 	{

   637 		SetErrorState(Plugin_Error, "Depends on plugin: %s", pOwner->GetFilename());

   638 	}

   639 }

   641 size_t CPlugin::GetConfigCount()

   642 {

   643 	return (unsigned int)m_configs.size();

   644 }

   646 AutoConfig *CPlugin::GetConfig(size_t i)

   647 {

   648 	if (i >= GetConfigCount())

   649 	{

   650 		return NULL;

   651 	}

   653 	return m_configs[i];

   654 }

   656 void CPlugin::AddConfig(bool autoCreate, const char *cfg, const char *folder)

   657 {

   658 	/* Do a check for duplicates to prevent double-execution */

   659 	for (size_t i = 0; i < m_configs.size(); i++)

   660 	{

   661 		if (m_configs[i]->autocfg.compare(cfg) == 0

   662 			&& m_configs[i]->folder.compare(folder) == 0

   663 			&& m_configs[i]->create == autoCreate)

   664 		{

   665 			return;

   666 		}

   667 	}

   669 	AutoConfig *c = new AutoConfig;

   671 	c->autocfg = cfg;

   672 	c->folder = folder;

   673 	c->create = autoCreate;

   675 	m_configs.push_back(c);

   676 }

   678 void CPlugin::DropEverything()

   679 {

   680 	CPlugin *pOther;

   681 	List<WeakNative>::iterator wk_iter;

   683 	/* Tell everyone that depends on us that we're about to drop */

   684 	for (List<CPlugin *>::iterator iter = m_Dependents.begin();

   685 		 iter != m_Dependents.end();

   686 		 iter++)

   687 	{

   688 		pOther = static_cast<CPlugin *>(*iter);

   689 		pOther->DependencyDropped(this);

   690 	}

   692 	/* Note: we don't care about things we depend on.

   693 	 * The reason is that extensions have their own cleanup

   694 	 * code for plugins.  Although the "right" design would be

   695 	 * to centralize that here, i'm omitting it for now.  Thus,

   696 	 * the code below to walk the plugins list will suffice.

   697 	 */

   699 	/* Other plugins could be holding weak references that were

   700 	 * added by us.  We need to clean all of those up now.

   701 	 */

   702 	for (List<CPlugin *>::iterator iter = g_PluginSys.m_plugins.begin();

   703 		 iter != g_PluginSys.m_plugins.end();

   704 		 iter++)

   705 	{

   706 		(*iter)->ToNativeOwner()->DropRefsTo(this);

   707 	}

   709 	/* Proceed with the rest of the necessities. */

   710 	CNativeOwner::DropEverything();

   711 }

   713 bool CPlugin::AddFakeNative(IPluginFunction *pFunc, const char *name, SPVM_FAKENATIVE_FUNC func)

   714 {

   715 	ke::Ref<Native> entry = g_ShareSys.AddFakeNative(pFunc, name, func);

   716 	if (!entry)

   717 		return false;

   719 	m_fakes.append(entry);

   720 	return true;

   721 }

   723 /*******************

   724  * PLUGIN ITERATOR *

   725  *******************/

   727 CPluginManager::CPluginIterator::CPluginIterator(List<CPlugin *> *_mylist)

   728 {

   729 	mylist = _mylist;

   730 	Reset();

   731 }

   733 IPlugin *CPluginManager::CPluginIterator::GetPlugin()

   734 {

   735 	return (*current);

   736 }

   738 bool CPluginManager::CPluginIterator::MorePlugins()

   739 {

   740 	return (current != mylist->end());

   741 }

   743 void CPluginManager::CPluginIterator::NextPlugin()

   744 {

   745 	current++;

   746 }

   748 void CPluginManager::CPluginIterator::Release()

   749 {

   750 	g_PluginSys.ReleaseIterator(this);

   751 }

   753 CPluginManager::CPluginIterator::~CPluginIterator()

   754 {

   755 }

   757 void CPluginManager::CPluginIterator::Reset()

   758 {

   759 	current = mylist->begin();

   760 }

   762 /******************

   763  * PLUGIN MANAGER *

   764  ******************/

   766 CPluginManager::CPluginManager()

   767 {

   768 	m_AllPluginsLoaded = false;

   769 	m_MyIdent = NULL;

   770 	m_LoadingLocked = false;

   772 	m_bBlockBadPlugins = true;

   773 }

   775 CPluginManager::~CPluginManager()

   776 {

   777 	CStack<CPluginManager::CPluginIterator *>::iterator iter;

   778 	for (iter=m_iters.begin(); iter!=m_iters.end(); iter++)

   779 	{

   780 		delete (*iter);

   781 	}

   782 	m_iters.popall();

   783 }

   785 void CPluginManager::Shutdown()

   786 {

   787 	List<CPlugin *>::iterator iter;

   789 	while ((iter = m_plugins.begin()) != m_plugins.end())

   790 	{

   791 		UnloadPlugin(*iter);

   792 	}

   793 }

   795 void CPluginManager::LoadAll(const char *config_path, const char *plugins_path)

   796 {

   797 	LoadAll_FirstPass(config_path, plugins_path);

   798 	g_Extensions.MarkAllLoaded();

   799 	LoadAll_SecondPass();

   800 	g_Extensions.MarkAllLoaded();

   801 	AllPluginsLoaded();

   802 }

   804 void CPluginManager::LoadAll_FirstPass(const char *config, const char *basedir)

   805 {

   806 	/* First read in the database of plugin settings */

   807 	m_AllPluginsLoaded = false;

   808 	LoadPluginsFromDir(basedir, NULL);

   809 }

   811 void CPluginManager::LoadPluginsFromDir(const char *basedir, const char *localpath)

   812 {

   813 	char base_path[PLATFORM_MAX_PATH];

   815 	/* Form the current path to start reading from */

   816 	if (localpath == NULL)

   817 	{

   818 		libsys->PathFormat(base_path, sizeof(base_path), "%s", basedir);

   819 	} else {

   820 		libsys->PathFormat(base_path, sizeof(base_path), "%s/%s", basedir, localpath);

   821 	}

   823 	IDirectory *dir = libsys->OpenDirectory(base_path);

   825 	if (!dir)

   826 	{

   827 		char error[256];

   828 		libsys->GetPlatformError(error, sizeof(error));

   829 		smcore.LogError("[SM] Failure reading from plugins path: %s", localpath);

   830 		smcore.LogError("[SM] Platform returned error: %s", error);

   831 		return;

   832 	}

   834 	while (dir->MoreFiles())

   835 	{

   836 		if (dir->IsEntryDirectory()

   837 			&& (strcmp(dir->GetEntryName(), ".") != 0)

   838 			&& (strcmp(dir->GetEntryName(), "..") != 0)

   839 			&& (strcmp(dir->GetEntryName(), "disabled") != 0)

   840 			&& (strcmp(dir->GetEntryName(), "optional") != 0))

   841 		{

   842 			char new_local[PLATFORM_MAX_PATH];

   843 			if (localpath == NULL)

   844 			{

   845 				/* If no path yet, don't add a former slash */

   846 				smcore.Format(new_local, sizeof(new_local), "%s", dir->GetEntryName());

   847 			} else {

   848 				libsys->PathFormat(new_local, sizeof(new_local), "%s/%s", localpath, dir->GetEntryName());

   849 			}

   850 			LoadPluginsFromDir(basedir, new_local);

   851 		} else if (dir->IsEntryFile()) {

   852 			const char *name = dir->GetEntryName();

   853 			size_t len = strlen(name);

   854 			if (len >= 4

   855 				&& strcmp(&name[len-4], ".smx") == 0)

   856 			{

   857 				/* If the filename matches, load the plugin */

   858 				char plugin[PLATFORM_MAX_PATH];

   859 				if (localpath == NULL)

   860 				{

   861 					smcore.Format(plugin, sizeof(plugin), "%s", name);

   862 				} else {

   863 					libsys->PathFormat(plugin, sizeof(plugin), "%s/%s", localpath, name);

   864 				}

   865 				LoadAutoPlugin(plugin);

   866 			}

   867 		}

   868 		dir->NextEntry();

   869 	}

   870 	libsys->CloseDirectory(dir);

   871 }

   873 LoadRes CPluginManager::_LoadPlugin(CPlugin **aResult, const char *path, bool debug, PluginType type, char error[], size_t maxlength)

   874 {

   875 	if (m_LoadingLocked)

   876 		return LoadRes_NeverLoad;

   878 	int err;

   880 	/**

   881 	 * Does this plugin already exist?

   882 	 */

   883 	CPlugin *pPlugin;

   884 	if (m_LoadLookup.retrieve(path, &pPlugin))

   885 	{

   886 		/* Check to see if we should try reloading it */

   887 		if (pPlugin->GetStatus() == Plugin_BadLoad

   888 			|| pPlugin->GetStatus() == Plugin_Error

   889 			|| pPlugin->GetStatus() == Plugin_Failed)

   890 		{

   891 			UnloadPlugin(pPlugin);

   892 		}

   893 		else

   894 		{

   895 			if (aResult)

   896 				*aResult = pPlugin;

   897 			return LoadRes_AlreadyLoaded;

   898 		}

   899 	}

   901 	pPlugin = CPlugin::CreatePlugin(path, error, maxlength);

   902 	assert(pPlugin != NULL);

   904 	pPlugin->m_type = PluginType_MapUpdated;

   906 	ICompilation *co = NULL;

   908 	if (pPlugin->m_status == Plugin_Uncompiled)

   909 	{

   910 		co = g_pSourcePawn2->StartCompilation();

   911 	}

   913 	/* Do the actual compiling */

   914 	if (co != NULL)

   915 	{

   916 		char fullpath[PLATFORM_MAX_PATH];

   917 		g_pSM->BuildPath(Path_SM, fullpath, sizeof(fullpath), "plugins/%s", pPlugin->m_filename);

   919 		pPlugin->m_pRuntime = g_pSourcePawn2->LoadPlugin(co, fullpath, &err);

   920 		if (pPlugin->m_pRuntime == NULL)

   921 		{

   922 			if (error)

   923 			{

   924 				smcore.Format(error,

   925 					maxlength,

   926 					"Unable to load plugin (error %d: %s)",

   927 					err,

   928 					g_pSourcePawn2->GetErrorString(err));

   929 			}

   930 			pPlugin->m_status = Plugin_BadLoad;

   931 		}

   932 		else

   933 		{

   934 			if (pPlugin->UpdateInfo())

   935 			{

   936 				pPlugin->m_status = Plugin_Created;

   937 			}

   938 			else

   939 			{

   940 				if (error)

   941 				{

   942 					smcore.Format(error, maxlength, "%s", pPlugin->m_errormsg);

   943 				}

   944 			}

   945 		}

   946 	}

   948 	if (pPlugin->GetStatus() == Plugin_Created)

   949 	{

   950 		unsigned char *pCodeHash = pPlugin->m_pRuntime->GetCodeHash();

   952 		char codeHashBuf[40];

   953 		smcore.Format(codeHashBuf, 40, "plugin_");

   954 		for (int i = 0; i < 16; i++)

   955 			smcore.Format(codeHashBuf + 7 + (i * 2), 3, "%02x", pCodeHash[i]);

   957 		const char *bulletinUrl = g_pGameConf->GetKeyValue(codeHashBuf);

   958 		if (bulletinUrl != NULL)

   959 		{

   960 			if (m_bBlockBadPlugins)

   961 			{

   962 				if (error)

   963 				{

   964 					if (bulletinUrl[0] != '\0')

   965 					{

   966 						smcore.Format(error, maxlength, "Known malware detected and blocked. See %s for more info", bulletinUrl);

   967 					} else {

   968 						smcore.Format(error, maxlength, "Possible malware or illegal plugin detected and blocked");

   969 					}

   970 				}

   971 				pPlugin->m_status = Plugin_BadLoad;

   972 			} else {

   973 				if (bulletinUrl[0] != '\0')

   974 				{

   975 					smcore.Log("%s: Known malware detected. See %s for more info, blocking disabled in core.cfg", pPlugin->GetFilename(), bulletinUrl);

   976 				} else {

   977 					smcore.Log("%s: Possible malware or illegal plugin detected, blocking disabled in core.cfg", pPlugin->GetFilename());

   978 				}

   979 			}

   980 		}

   981 	}

   983 	LoadRes loadFailure = LoadRes_Failure;

   984 	/* Get the status */

   985 	if (pPlugin->GetStatus() == Plugin_Created)

   986 	{

   987 		/* First native pass - add anything from Core */

   988 		g_ShareSys.BindNativesToPlugin(pPlugin, true);

   989 		pPlugin->InitIdentity();

   990 		APLRes result = pPlugin->Call_AskPluginLoad(error, maxlength);

   991 		switch (result)

   992 		{

   993 		case APLRes_Success:

   994 			/* Autoload any modules */

   995 			LoadOrRequireExtensions(pPlugin, 1, error, maxlength);

   996 			break;

   997 		case APLRes_Failure:

   998 			pPlugin->SetErrorState(Plugin_Failed, "%s", error);

   999 			loadFailure = LoadRes_Failure;

  1000 			break;

  1001 		case APLRes_SilentFailure:

  1002 			pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1003 			loadFailure = LoadRes_SilentFailure;

  1004 			pPlugin->SetSilentlyFailed(true);

  1005 			break;

  1006 		default:

  1007 			assert(false);

  1008 		}

  1009 	}

  1011 	/* Save the time stamp */

  1012 	time_t t = pPlugin->GetFileTimeStamp();

  1013 	pPlugin->SetTimeStamp(t);

  1015 	if (aResult)

  1016 		*aResult = pPlugin;

  1018 	return (pPlugin->GetStatus() == Plugin_Loaded) ? LoadRes_Successful : loadFailure;

  1019 }

  1021 IPlugin *CPluginManager::LoadPlugin(const char *path, bool debug, PluginType type, char error[], size_t maxlength, bool *wasloaded)

  1022 {

  1023 	CPlugin *pl;

  1024 	LoadRes res;

  1026 	*wasloaded = false;

  1027 	if ((res=_LoadPlugin(&pl, path, true, type, error, maxlength)) == LoadRes_Failure)

  1028 	{

  1029 		delete pl;

  1030 		return NULL;

  1031 	}

  1033 	if (res == LoadRes_AlreadyLoaded)

  1034 	{

  1035 		*wasloaded = true;

  1036 		return pl;

  1037 	}

  1039 	if (res == LoadRes_NeverLoad)

  1040 	{

  1041 		if (error)

  1042 		{

  1043 			if (m_LoadingLocked)

  1044 			{

  1045 				smcore.Format(error, maxlength, "There is a global plugin loading lock in effect");

  1046 			}

  1047 			else

  1048 			{

  1049 				smcore.Format(error, maxlength, "This plugin is blocked from loading (see plugin_settings.cfg)");

  1050 			}

  1051 		}

  1052 		return NULL;

  1053 	}

  1055 	AddPlugin(pl);

  1057 	/* Run second pass if we need to */

  1058 	if (IsLateLoadTime() && pl->GetStatus() == Plugin_Loaded)

  1059 	{

  1060 		if (!RunSecondPass(pl, error, maxlength))

  1061 		{

  1062 			UnloadPlugin(pl);

  1063 			return NULL;

  1064 		}

  1065 		pl->Call_OnAllPluginsLoaded();

  1066 	}

  1068 	return pl;

  1069 }

  1071 void CPluginManager::LoadAutoPlugin(const char *plugin)

  1072 {

  1073 	CPlugin *pl = NULL;

  1074 	LoadRes res;

  1075 	char error[255] = "Unknown error";

  1077 	if ((res=_LoadPlugin(&pl, plugin, false, PluginType_MapUpdated, error, sizeof(error))) == LoadRes_Failure)

  1078 	{

  1079 		smcore.LogError("[SM] Failed to load plugin \"%s\": %s.", plugin, error);

  1080 		pl->SetErrorState(

  1081 			pl->GetStatus() <= Plugin_Created ? Plugin_BadLoad : pl->GetStatus(),

  1082 			"%s",

  1083 			error);

  1084 	}

  1086 	if (res == LoadRes_Successful || res == LoadRes_Failure || res == LoadRes_SilentFailure)

  1087 	{

  1088 		AddPlugin(pl);

  1089 	}

  1090 }

  1092 void CPluginManager::AddPlugin(CPlugin *pPlugin)

  1093 {

  1094 	List<IPluginsListener *>::iterator iter;

  1095 	IPluginsListener *pListener;

  1097 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1098 	{

  1099 		pListener = (*iter);

  1100 		pListener->OnPluginCreated(pPlugin);

  1101 	}

  1103 	m_plugins.push_back(pPlugin);

  1104 	m_LoadLookup.insert(pPlugin->m_filename, pPlugin);

  1105 }

  1107 void CPluginManager::LoadAll_SecondPass()

  1108 {

  1109 	List<CPlugin *>::iterator iter;

  1110 	CPlugin *pPlugin;

  1112 	char error[256];

  1113 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1114 	{

  1115 		pPlugin = (*iter);

  1116 		if (pPlugin->GetStatus() == Plugin_Loaded)

  1117 		{

  1118 			error[0] = '\0';

  1119 			if (!RunSecondPass(pPlugin, error, sizeof(error)))

  1120 			{

  1121 				smcore.LogError("[SM] Unable to load plugin \"%s\": %s", pPlugin->GetFilename(), error);

  1122 				pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1123 			}

  1124 		}

  1125 	}

  1127 	m_AllPluginsLoaded = true;

  1128 }

  1130 bool CPluginManager::FindOrRequirePluginDeps(CPlugin *pPlugin, char *error, size_t maxlength)

  1131 {

  1132 	struct _pl

  1133 	{

  1134 		cell_t name;

  1135 		cell_t file;

  1136 		cell_t required;

  1137 	} *pl;

  1139 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1140 	uint32_t num = pBase->GetPubVarsNum();

  1141 	sp_pubvar_t *pubvar;

  1142 	char *name, *file;

  1143 	char pathfile[PLATFORM_MAX_PATH];

  1145 	for (uint32_t i=0; i<num; i++)

  1146 	{

  1147 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1148 		{

  1149 			continue;

  1150 		}

  1151 		if (strncmp(pubvar->name, "__pl_", 5) == 0)

  1152 		{

  1153 			pl = (_pl *)pubvar->offs;

  1154 			if (pBase->LocalToString(pl->file, &file) != SP_ERROR_NONE)

  1155 			{

  1156 				continue;

  1157 			}

  1158 			if (pBase->LocalToString(pl->name, &name) != SP_ERROR_NONE)

  1159 			{

  1160 				continue;

  1161 			}

  1162 			libsys->GetFileFromPath(pathfile, sizeof(pathfile), pPlugin->GetFilename());

  1163 			if (strcmp(pathfile, file) == 0)

  1164 			{

  1165 				continue;

  1166 			}

  1167 			if (pl->required == false)

  1168 			{

  1169 				IPluginFunction *pFunc;

  1170 				char buffer[64];

  1171 				smcore.Format(buffer, sizeof(buffer), "__pl_%s_SetNTVOptional", &pubvar->name[5]);

  1172 				if ((pFunc=pBase->GetFunctionByName(buffer)))

  1173 				{

  1174 					cell_t res;

  1175 					pFunc->Execute(&res);

  1176 					if (pPlugin->GetBaseContext()->GetLastNativeError() != SP_ERROR_NONE)

  1177 					{

  1178 						if (error)

  1179 						{

  1180 							smcore.Format(error, maxlength, "Fatal error during initializing plugin load");

  1181 						}

  1182 						return false;

  1183 					}

  1184 				}

  1185 			}

  1186 			else

  1187 			{

  1188 				/* Check that we aren't registering the same library twice */

  1189 				if (pPlugin->m_RequiredLibs.find(name) == pPlugin->m_RequiredLibs.end())

  1190 				{

  1191 					pPlugin->m_RequiredLibs.push_back(name);

  1192 				}

  1193 				else

  1194 				{

  1195 					continue;

  1196 				}

  1197 				List<CPlugin *>::iterator iter;

  1198 				CPlugin *pl;

  1199 				bool found = false;

  1200 				for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1201 				{

  1202 					pl = (*iter);

  1203 					if (pl->m_Libraries.find(name) != pl->m_Libraries.end())

  1204 					{

  1205 						found = true;

  1206 						break;

  1207 					}

  1208 				}

  1209 				if (!found)

  1210 				{

  1211 					if (error)

  1212 					{

  1213 						smcore.Format(error, maxlength, "Could not find required plugin \"%s\"", name);

  1214 					}

  1215 					return false;

  1216 				}

  1217 			}

  1218 		}

  1219 	}

  1221 	return true;

  1222 }

  1224 bool CPluginManager::LoadOrRequireExtensions(CPlugin *pPlugin, unsigned int pass, char *error, size_t maxlength)

  1225 {

  1226 	/* Find any extensions this plugin needs */

  1227 	struct _ext

  1228 	{

  1229 		cell_t name;

  1230 		cell_t file;

  1231 		cell_t autoload;

  1232 		cell_t required;

  1233 	} *ext;

  1235 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1236 	uint32_t num = pBase->GetPubVarsNum();

  1237 	sp_pubvar_t *pubvar;

  1238 	IExtension *pExt;

  1239 	char path[PLATFORM_MAX_PATH];

  1240 	char *file, *name;

  1241 	for (uint32_t i=0; i<num; i++)

  1242 	{

  1243 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1244 		{

  1245 			continue;

  1246 		}

  1247 		if (strncmp(pubvar->name, "__ext_", 6) == 0)

  1248 		{

  1249 			ext = (_ext *)pubvar->offs;

  1250 			if (pBase->LocalToString(ext->file, &file) != SP_ERROR_NONE)

  1251 			{

  1252 				continue;

  1253 			}

  1254 			if (pBase->LocalToString(ext->name, &name) != SP_ERROR_NONE)

  1255 			{

  1256 				continue;

  1257 			}

  1258 			if (pass == 1)

  1259 			{

  1260 				/* Attempt to auto-load if necessary */

  1261 				if (ext->autoload)

  1262 				{

  1263 					libsys->PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1264 					bool bErrorOnMissing = ext->required ? true : false;

  1265 					g_Extensions.LoadAutoExtension(path, bErrorOnMissing);

  1266 				}

  1267 			}

  1268 			else if (pass == 2)

  1269 			{

  1270 				/* Is this required? */

  1271 				if (ext->required)

  1272 				{

  1273 					libsys->PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1274 					if ((pExt = g_Extensions.FindExtensionByFile(path)) == NULL)

  1275 					{

  1276 						pExt = g_Extensions.FindExtensionByName(name);

  1277 					}

  1278 					/* :TODO: should we bind to unloaded extensions?

  1279 					 * Currently the extension manager will ignore this.

  1280 					 */

  1281 					if (!pExt || !pExt->IsRunning(NULL, 0))

  1282 					{

  1283 						if (error)

  1284 						{

  1285 							smcore.Format(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1286 						}

  1287 						return false;

  1288 					}

  1289 					else

  1290 					{

  1291 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1292 					}

  1293 				}

  1294 				else

  1295 				{

  1296 					IPluginFunction *pFunc;

  1297 					char buffer[64];

  1298 					smcore.Format(buffer, sizeof(buffer), "__ext_%s_SetNTVOptional", &pubvar->name[6]);

  1300 					if ((pFunc = pBase->GetFunctionByName(buffer)) != NULL)

  1301 					{

  1302 						cell_t res;

  1303 						pFunc->Execute(&res);

  1304 						if (pPlugin->GetBaseContext()->GetLastNativeError() != SP_ERROR_NONE)

  1305 						{

  1306 							if (error)

  1307 							{

  1308 								smcore.Format(error, maxlength, "Fatal error during plugin initialization (ext req)");

  1309 							}

  1310 							return false;

  1311 						}

  1312 					}

  1313 				}

  1314 			}

  1315 		}

  1316 	}

  1318 	return true;

  1319 }

  1321 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1322 {

  1323 	/* Second pass for extension requirements */

  1324 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1325 	{

  1326 		return false;

  1327 	}

  1329 	if (!FindOrRequirePluginDeps(pPlugin, error, maxlength))

  1330 	{

  1331 		return false;

  1332 	}

  1334 	/* Run another binding pass */

  1335 	g_ShareSys.BindNativesToPlugin(pPlugin, false);

  1337 	/* Find any unbound natives. Right now, these are not allowed. */

  1338 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1339 	uint32_t num = pContext->GetNativesNum();

  1340 	sp_native_t *native;

  1341 	for (unsigned int i=0; i<num; i++)

  1342 	{

  1343 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1344 		{

  1345 			break;

  1346 		}

  1347 		if (native->status == SP_NATIVE_UNBOUND

  1348 			&& native->name[0] != '@'

  1349 			&& !(native->flags & SP_NTVFLAG_OPTIONAL))

  1350 		{

  1351 			if (error)

  1352 			{

  1353 				smcore.Format(error, maxlength, "Native \"%s\" was not found", native->name);

  1354 			}

  1355 			return false;

  1356 		}

  1357 	}

  1359 	/* Finish by telling all listeners */

  1360 	List<IPluginsListener *>::iterator iter;

  1361 	IPluginsListener *pListener;

  1362 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1363 	{

  1364 		pListener = (*iter);

  1365 		pListener->OnPluginLoaded(pPlugin);

  1366 	}

  1368 	/* Tell this plugin to finish initializing itself */

  1369 	pPlugin->Call_OnPluginStart();

  1371 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1372 	if (pPlugin->GetStatus() <= Plugin_Paused && pPlugin->m_fakes.length())

  1373 	{

  1374 		List<CPlugin *>::iterator pl_iter;

  1375 		for (pl_iter = m_plugins.begin();

  1376 			 pl_iter != m_plugins.end();

  1377 			 pl_iter++)

  1378 		{

  1379 			CPlugin *pOther = (*pl_iter);

  1380 			if ((pOther->GetStatus() == Plugin_Error

  1381 				&& (pOther->m_FakeNativesMissing || pOther->m_LibraryMissing))

  1382 				|| pOther->m_FakeNativesMissing)

  1383 			{

  1384 				TryRefreshDependencies(pOther);

  1385 			}

  1386 			else if ((pOther->GetStatus() == Plugin_Running

  1387 					  || pOther->GetStatus() == Plugin_Paused)

  1388 					 && pOther != pPlugin)

  1389 			{

  1390 				for (size_t i = 0; i < pPlugin->m_fakes.length(); i++)

  1391 					g_ShareSys.BindNativeToPlugin(pOther, pPlugin->m_fakes[i]);

  1392 			}

  1393 		}

  1394 	}

  1396 	/* Go through our libraries and tell other plugins they're added */

  1397 	List<String>::iterator s_iter;

  1398 	for (s_iter = pPlugin->m_Libraries.begin();

  1399 		s_iter != pPlugin->m_Libraries.end();

  1400 		s_iter++)

  1401 	{

  1402 		OnLibraryAction((*s_iter).c_str(), LibraryAction_Added);

  1403 	}

  1405 	/* :TODO: optimize? does this even matter? */

  1406 	pPlugin->GetPhrases()->AddPhraseFile("core.phrases");

  1408 	return true;

  1409 }

  1411 void CPluginManager::TryRefreshDependencies(CPlugin *pPlugin)

  1412 {

  1413 	assert(pPlugin->GetBaseContext() != NULL);

  1415 	g_ShareSys.BindNativesToPlugin(pPlugin, false);

  1417 	List<String>::iterator lib_iter;

  1418 	List<String>::iterator req_iter;

  1419 	List<CPlugin *>::iterator pl_iter;

  1420 	CPlugin *pl;

  1421 	for (req_iter=pPlugin->m_RequiredLibs.begin(); req_iter!=pPlugin->m_RequiredLibs.end(); req_iter++)

  1422 	{

  1423 		bool found = false;

  1424 		for (pl_iter=m_plugins.begin(); pl_iter!=m_plugins.end(); pl_iter++)

  1425 		{

  1426 			pl = (*pl_iter);

  1427 			for (lib_iter=pl->m_Libraries.begin(); lib_iter!=pl->m_Libraries.end(); lib_iter++)

  1428 			{

  1429 				if ((*req_iter) == (*lib_iter))

  1430 				{

  1431 					found = true;

  1432 				}

  1433 			}

  1434 		}

  1435 		if (!found)

  1436 		{

  1437 			pPlugin->SetErrorState(Plugin_Error, "Library not found: %s", (*req_iter).c_str());

  1438 			return;

  1439 		}

  1440 	}

  1442 	/* Find any unbound natives

  1443 	 * Right now, these are not allowed

  1444 	 */

  1445 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1446 	uint32_t num = pContext->GetNativesNum();

  1447 	sp_native_t *native;

  1448 	for (unsigned int i=0; i<num; i++)

  1449 	{

  1450 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1451 		{

  1452 			break;

  1453 		}

  1454 		if (native->status == SP_NATIVE_UNBOUND

  1455 			&& native->name[0] != '@'

  1456 			&& !(native->flags & SP_NTVFLAG_OPTIONAL))

  1457 		{

  1458 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1459 			return;

  1460 		}

  1461 	}

  1463 	if (pPlugin->GetStatus() == Plugin_Error)

  1464 	{

  1465 		/* If we got here, all natives are okay again! */

  1466 		pPlugin->m_status = Plugin_Running;

  1467 		if (pPlugin->m_pRuntime->IsPaused())

  1468 		{

  1469 			pPlugin->m_pRuntime->SetPauseState(false);

  1470 			_SetPauseState(pPlugin, false);

  1471 		}

  1472 	}

  1473 }

  1475 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1476 {

  1477 	CPlugin *pPlugin = (CPlugin *)plugin;

  1479 	/* This prevents removal during insertion or anything else weird */

  1480 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1481 	{

  1482 		return false;

  1483 	}

  1485 	IPluginContext *pContext = plugin->GetBaseContext();

  1486 	if (pContext != NULL && pContext->IsInExec())

  1487 	{

  1488 		char buffer[255];

  1489 		smcore.Format(buffer, sizeof(buffer), "sm plugins unload %s\n", plugin->GetFilename());

  1490 		engine->ServerCommand(buffer);

  1491 		return false;

  1492 	}

  1494 	/* Remove us from the lookup table and linked list */

  1495 	m_plugins.remove(pPlugin);

  1496 	m_LoadLookup.remove(pPlugin->m_filename);

  1498 	/* Go through our libraries and tell other plugins they're gone */

  1499 	List<String>::iterator s_iter;

  1500 	for (s_iter = pPlugin->m_Libraries.begin();

  1501 		 s_iter != pPlugin->m_Libraries.end();

  1502 		 s_iter++)

  1503 	{

  1504 		OnLibraryAction((*s_iter).c_str(), LibraryAction_Removed);

  1505 	}

  1507 	List<IPluginsListener *>::iterator iter;

  1508 	IPluginsListener *pListener;

  1510 	if (pPlugin->GetStatus() <= Plugin_Error)

  1511 	{

  1512 		/* Notify plugin */

  1513 		pPlugin->Call_OnPluginEnd();

  1515 		/* Notify listeners of unloading */

  1516 		for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1517 		{

  1518 			pListener = (*iter);

  1519 			pListener->OnPluginUnloaded(pPlugin);

  1520 		}

  1521 	}

  1523 	pPlugin->DropEverything();

  1525 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1526 	{

  1527 		/* Notify listeners of destruction */

  1528 		pListener = (*iter);

  1529 		pListener->OnPluginDestroyed(pPlugin);

  1530 	}

  1532 	/* Tell the plugin to delete itself */

  1533 	delete pPlugin;

  1535 	return true;

  1536 }

  1538 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1539 {

  1540 	IPlugin *pPlugin;

  1541 	IPluginContext *pContext;

  1543 	pContext = reinterpret_cast<IPluginContext *>(const_cast<sp_context_t *>(ctx));

  1545 	if (pContext->GetKey(2, (void **)&pPlugin))

  1546 	{

  1547 		return pPlugin;

  1548 	}

  1550 	return NULL;

  1551 }

  1553 CPlugin *CPluginManager::GetPluginByCtx(const sp_context_t *ctx)

  1554 {

  1555 	return (CPlugin *)FindPluginByContext(ctx);

  1556 }

  1558 unsigned int CPluginManager::GetPluginCount()

  1559 {

  1560 	return m_plugins.size();

  1561 }

  1563 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1564 {

  1565 	m_listeners.push_back(listener);

  1566 }

  1568 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1569 {

  1570 	m_listeners.remove(listener);

  1571 }

  1573 IPluginIterator *CPluginManager::GetPluginIterator()

  1574 {

  1575 	if (m_iters.empty())

  1576 	{

  1577 		return new CPluginIterator(&m_plugins);

  1578 	} else {

  1579 		CPluginIterator *iter = m_iters.front();

  1580 		m_iters.pop();

  1581 		iter->Reset();

  1582 		return iter;

  1583 	}

  1584 }

  1586 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1587 {

  1588 	m_iters.push(iter);

  1589 }

  1591 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1592 {

  1593 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1594 	size_t alias_len = 0;

  1595 	size_t local_len = 0;

  1597 	const char *ptr = alias;

  1598 	unsigned int alias_explicit_paths = 0;

  1599 	unsigned int alias_path_end = 0;

  1600 	while (*ptr != '\0')

  1601 	{

  1602 		if (*ptr == '\\' || *ptr == '/')

  1603 		{

  1604 			alias_explicit_paths++;

  1605 			alias_path_end = alias_len;

  1606 		}

  1607 		alias_len++;

  1608 		ptr++;

  1609 	}

  1611 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1612 	{

  1613 		/* Trailing slash is totally invalid here */

  1614 		return false;

  1615 	}

  1617 	ptr = localpath;

  1618 	unsigned int local_explicit_paths = 0;

  1619 	unsigned int local_path_end = 0;

  1620 	while (*ptr != '\0')

  1621 	{

  1622 		if (*ptr == '\\' || *ptr == '/')

  1623 		{

  1624 			local_explicit_paths++;

  1625 			local_path_end = local_len;

  1626 		}

  1627 		local_len++;

  1628 		ptr++;

  1629 	}

  1631 	/* If the alias has more explicit paths than the real path,

  1632 	 * no match will be possible.

  1633 	 */

  1634 	if (alias_explicit_paths > local_explicit_paths)

  1635 	{

  1636 		return false;

  1637 	}

  1639 	if (alias_explicit_paths)

  1640 	{

  1641 		/* We need to find if the paths match now.  For example, these should all match:

  1642 		 * csdm     csdm

  1643 		 * csdm     optional/csdm

  1644 		 * csdm/ban optional/crab/csdm/ban

  1645 		*/

  1646 		const char *aliasptr = alias;

  1647 		const char *localptr = localpath;

  1648 		bool match = true;

  1649 		do

  1650 		{

  1651 			if (*aliasptr != *localptr)

  1652 			{

  1653 				/* We have to knock one path off */

  1654 				local_explicit_paths--;

  1655 				if (alias_explicit_paths > local_explicit_paths)

  1656 				{

  1657 					/* Skip out if we're gonna have an impossible match */

  1658 					return false;

  1659 				}

  1660 				/* Eat up localptr tokens until we get a result */

  1661 				while (((localptr - localpath) < (int)local_path_end)

  1662 					&& *localptr != '/'

  1663 					&& *localptr != '\\')

  1664 				{

  1665 					localptr++;

  1666 				}

  1667 				/* Check if we hit the end of our searchable area.

  1668 				 * This probably isn't possible because of the path

  1669 				 * count check, but it's a good idea anyway.

  1670 				 */

  1671 				if ((localptr - localpath) >= (int)local_path_end)

  1672 				{

  1673 					return false;

  1674 				} else {

  1675 					/* Consume the slash token */

  1676 					localptr++;

  1677 				}

  1678 				/* Reset the alias pointer so we can continue consuming */

  1679 				aliasptr = alias;

  1680 				match = false;

  1681 				continue;

  1682 			}

  1683 			/* Note:

  1684 			 * This is safe because if localptr terminates early, aliasptr will too

  1685 			 */

  1686 			do

  1687 			{

  1688 				/* We should never reach the end of the string because of this check. */

  1689 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1690 				bool localend = (localptr - localpath) > (int)local_path_end;

  1691 				if (aliasend || localend)

  1692 				{

  1693 					if (aliasend && localend)

  1694 					{

  1695 						/* we matched, and we can break out now */

  1696 						match = true;

  1697 						break;

  1698 					}

  1699 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1700 					match = false;

  1701 					break;

  1702 				}

  1704 				/* If we got here, it's safe to compare the next two tokens */

  1705 				if (*localptr != *aliasptr)

  1706 				{

  1707 					match = false;

  1708 					break;

  1709 				}

  1710 				localptr++;

  1711 				aliasptr++;

  1712 			} while (true);

  1713 		} while (!match);

  1714 	}

  1716 	/* If we got here, it's time to compare filenames */

  1717 	const char *aliasptr = alias;

  1718 	const char *localptr = localpath;

  1720 	if (alias_explicit_paths)

  1721 	{

  1722 		aliasptr = &alias[alias_path_end + 1];

  1723 	}

  1725 	if (local_explicit_paths)

  1726 	{

  1727 		localptr = &localpath[local_path_end + 1];

  1728 	}

  1730 	while (true)

  1731 	{

  1732 		if (*aliasptr == '*')

  1733 		{

  1734 			/* First, see if this is the last character */

  1735 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1736 			{

  1737 				/* If so, there's no need to match anything else */

  1738 				return true;

  1739 			}

  1740 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1741 			 * Note that we only need to search up to the next asterisk.

  1742 			 */

  1743 			aliasptr++;

  1744 			bool match = true;

  1745 			const char *local_orig = localptr;

  1746 			do

  1747 			{

  1748 				match = true;

  1749 				while (*aliasptr != '\0' && *aliasptr != '*')

  1750 				{

  1751 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1752 					if (*aliasptr != *localptr)

  1753 					{

  1754 						match = false;

  1755 						break;

  1756 					}

  1757 					aliasptr++;

  1758 					localptr++;

  1759 				}

  1760 				if (!match)

  1761 				{

  1762 					/* If we didn't get a match, we need to advance the search stream.

  1763 					 * This will let us skip tokens while still searching for another match.

  1764 					 */

  1765 					localptr = ++local_orig;

  1766 					/* Make sure we don't go out of bounds */

  1767 					if (*localptr == '\0')

  1768 					{

  1769 						break;

  1770 					}

  1771 				}

  1772 			} while (!match);

  1774 			if (!match)

  1775 			{

  1776 				return false;

  1777 			} else {

  1778 				/* If we got a match, move on to the next token */

  1779 				continue;

  1780 			}

  1781 		} else if (*aliasptr == '\0') {

  1782 			if (*localptr == '\0'

  1783 				||

  1784 				strcmp(localptr, ".smx") == 0)

  1785 			{

  1786 				return true;

  1787 			} else {

  1788 				return false;

  1789 			}

  1790 		} else if (*aliasptr != *localptr) {

  1791 			return false;

  1792 		}

  1793 		aliasptr++;

  1794 		localptr++;

  1795 	}

  1797 	return true;

  1798 }

  1800 bool CPluginManager::IsLateLoadTime() const

  1801 {

  1802 	return (m_AllPluginsLoaded || !smcore.IsMapLoading());

  1803 }

  1805 void CPluginManager::OnSourceModAllInitialized()

  1806 {

  1807 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1809 	HandleAccess sec;

  1810 	handlesys->InitAccessDefaults(NULL, &sec);

  1812 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1813 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1815 	g_PluginType = handlesys->CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1816 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1818 	rootmenu->AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1820 	g_ShareSys.AddInterface(NULL, GetOldAPI());

  1822 	m_pOnLibraryAdded = forwardsys->CreateForward("OnLibraryAdded", ET_Ignore, 1, NULL, Param_String);

  1823 	m_pOnLibraryRemoved = forwardsys->CreateForward("OnLibraryRemoved", ET_Ignore, 1, NULL, Param_String);

  1824 }

  1826 void CPluginManager::OnSourceModShutdown()

  1827 {

  1828 	rootmenu->RemoveRootConsoleCommand("plugins", this);

  1830 	UnloadAll();

  1832 	handlesys->RemoveType(g_PluginType, m_MyIdent);

  1833 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1834 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1836 	forwardsys->ReleaseForward(m_pOnLibraryAdded);

  1837 	forwardsys->ReleaseForward(m_pOnLibraryRemoved);

  1838 }

  1840 ConfigResult CPluginManager::OnSourceModConfigChanged(const char *key,

  1841 												 const char *value,

  1842 												 ConfigSource source,

  1843 												 char *error,

  1844 												 size_t maxlength)

  1845 {

  1846 	if (strcmp(key, "BlockBadPlugins") == 0) {

  1847 		if (strcasecmp(value, "yes") == 0)

  1848 		{

  1849 			m_bBlockBadPlugins = true;

  1850 		} else if (strcasecmp(value, "no") == 0) {

  1851 			m_bBlockBadPlugins = false;

  1852 		} else {

  1853 			smcore.Format(error, maxlength, "Invalid value: must be \"yes\" or \"no\"");

  1854 			return ConfigResult_Reject;

  1855 		}

  1856 		return ConfigResult_Accept;

  1857 	}

  1858 	return ConfigResult_Ignore;

  1859 }

  1861 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1862 {

  1863 	/* We don't care about the internal object, actually */

  1864 }

  1866 bool CPluginManager::GetHandleApproxSize(HandleType_t type, void *object, unsigned int *pSize)

  1867 {

  1868 	*pSize = ((CPlugin *)object)->CalcMemUsage();

  1869 	return true;

  1870 }

  1872 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1873 {

  1874 	IPlugin *pPlugin;

  1875 	HandleError _err;

  1877 	HandleSecurity sec;

  1879 	sec.pOwner = NULL;

  1880 	sec.pIdentity = m_MyIdent;

  1882 	if ((_err=handlesys->ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1883 	{

  1884 		pPlugin = NULL;

  1885 	}

  1887 	if (err)

  1888 	{

  1889 		*err = _err;

  1890 	}

  1892 	return pPlugin;

  1893 }

  1895 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1896 {

  1897 	if (num < 1 || num > (int)GetPluginCount())

  1898 	{

  1899 		return NULL;

  1900 	}

  1902 	CPlugin *pl;

  1903 	int id = 1;

  1905 	SourceHook::List<CPlugin *>::iterator iter;

  1906 	for (iter = m_plugins.begin(); iter != m_plugins.end() && id < num; iter++, id++) {}

  1908 	pl = *iter;

  1910 	return pl;

  1911 }

  1913 const char *CPluginManager::GetStatusText(PluginStatus st)

  1914 {

  1915 	switch (st)

  1916 	{

  1917 	case Plugin_Running:

  1918 		return "Running";

  1919 	case Plugin_Paused:

  1920 		return "Paused";

  1921 	case Plugin_Error:

  1922 		return "Error";

  1923 	case Plugin_Uncompiled:

  1924 		return "Uncompiled";

  1925 	case Plugin_BadLoad:

  1926 		return "Bad Load";

  1927 	case Plugin_Failed:

  1928 		return "Failed";

  1929 	default:

  1930 		assert(false);

  1931 		return "-";

  1932 	}

  1933 }

  1935 static inline bool IS_STR_FILLED(const char *text)

  1936 {

  1937 	return text[0] != '\0';

  1938 }

  1940 void CPluginManager::OnRootConsoleCommand(const char *cmdname, const CCommand &command)

  1941 {

  1942 	int argcount = smcore.Argc(command);

  1943 	if (argcount >= 3)

  1944 	{

  1945 		const char *cmd = smcore.Arg(command, 2);

  1946 		if (strcmp(cmd, "list") == 0)

  1947 		{

  1948 			char buffer[256];

  1949 			unsigned int id = 1;

  1950 			int plnum = GetPluginCount();

  1952 			if (!plnum)

  1953 			{

  1954 				rootmenu->ConsolePrint("[SM] No plugins loaded");

  1955 				return;

  1956 			}

  1957 			else

  1958 			{

  1959 				rootmenu->ConsolePrint("[SM] Listing %d plugin%s:", GetPluginCount(), (plnum > 1) ? "s" : "");

  1960 			}

  1962 			CPlugin *pl;

  1963 			SourceHook::List<CPlugin *>::iterator iter;

  1964 			SourceHook::List<CPlugin *> m_FailList;

  1966 			for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++, id++)

  1967 			{

  1968 				pl = (*iter);

  1969 				assert(pl->GetStatus() != Plugin_Created);

  1970 				int len = 0;

  1971 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1972 				if (pl->GetStatus() != Plugin_Running && !pl->IsSilentlyFailed())

  1973 				{

  1974 					len += smcore.Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1976 					if (pl->GetStatus() <= Plugin_Error)

  1977 					{

  1978 						/* Plugin has failed to load. */

  1979 						m_FailList.push_back(pl);

  1980 					}

  1981 				}

  1982 				else

  1983 				{

  1984 					len += smcore.Format(buffer, sizeof(buffer), "  %02d", id);

  1985 				}

  1986 				if (pl->GetStatus() < Plugin_Created)

  1987 				{

  1988 					if (pl->IsSilentlyFailed())

  1989 						len += smcore.Format(&buffer[len], sizeof(buffer)-len, " Disabled:");

  1990 					len += smcore.Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1991 					if (IS_STR_FILLED(info->version))

  1992 					{

  1993 						len += smcore.Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  1994 					}

  1995 					if (IS_STR_FILLED(info->author))

  1996 					{

  1997 						smcore.Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  1998 					}

  1999 				}

  2000 				else

  2001 				{

  2002 					smcore.Format(&buffer[len], sizeof(buffer)-len, " %s", pl->m_filename);

  2003 				}

  2004 				rootmenu->ConsolePrint("%s", buffer);

  2005 			}

  2007 			if (!m_FailList.empty())

  2008 			{

  2009 				rootmenu->ConsolePrint("Load Errors:");

  2011 				SourceHook::List<CPlugin *>::iterator _iter;

  2013 				CPlugin *pl;

  2015 				for (_iter=m_FailList.begin(); _iter!=m_FailList.end(); _iter++)

  2016 				{

  2017 					pl = (CPlugin *)*_iter;

  2018 					rootmenu->ConsolePrint("%s: %s",(IS_STR_FILLED(pl->GetPublicInfo()->name)) ? pl->GetPublicInfo()->name : pl->GetFilename(), pl->m_errormsg);

  2019 				}

  2020 			}

  2022 			return;

  2023 		}

  2024 		else if (strcmp(cmd, "load") == 0)

  2025 		{

  2026 			if (argcount < 4)

  2027 			{

  2028 				rootmenu->ConsolePrint("[SM] Usage: sm plugins load <file>");

  2029 				return;

  2030 			}

  2032 			char error[128];

  2033 			bool wasloaded;

  2034 			const char *filename = smcore.Arg(command, 3);

  2036 			char pluginfile[256];

  2037 			const char *ext = libsys->GetFileExtension(filename) ? "" : ".smx";

  2038 			g_pSM->BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", filename, ext);

  2040 			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  2042 			if (wasloaded)

  2043 			{

  2044 				rootmenu->ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);

  2045 				return;

  2046 			}

  2048 			if (pl)

  2049 			{

  2050 				rootmenu->ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);

  2051 			}

  2052 			else

  2053 			{

  2054 				rootmenu->ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);

  2055 			}

  2057 			return;

  2058 		}

  2059 		else if (strcmp(cmd, "unload") == 0)

  2060 		{

  2061 			if (argcount < 4)

  2062 			{

  2063 				rootmenu->ConsolePrint("[SM] Usage: sm plugins unload <#|file>");

  2064 				return;

  2065 			}

  2067 			CPlugin *pl;

  2068 			char *end;

  2069 			const char *arg = smcore.Arg(command, 3);

  2070 			int id = strtol(arg, &end, 10);

  2072 			if (*end == '\0')

  2073 			{

  2074 				pl = GetPluginByOrder(id);

  2075 				if (!pl)

  2076 				{

  2077 					rootmenu->ConsolePrint("[SM] Plugin index %d not found.", id);

  2078 					return;

  2079 				}

  2080 			}

  2081 			else

  2082 			{

  2083 				char pluginfile[256];

  2084 				const char *ext = libsys->GetFileExtension(arg) ? "" : ".smx";

  2085 				g_pSM->BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2087 				if (!m_LoadLookup.retrieve(pluginfile, &pl))

  2088 				{

  2089 					rootmenu->ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2090 					return;

  2091 				}

  2092 			}

  2094 			char name[PLATFORM_MAX_PATH];

  2096 			if (pl->GetStatus() < Plugin_Created)

  2097 			{

  2098 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  2099 				smcore.Format(name, sizeof(name), (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2100 			}

  2101 			else

  2102 			{

  2103 				smcore.Format(name, sizeof(name), "%s", pl->GetFilename());

  2104 			}

  2106 			if (UnloadPlugin(pl))

  2107 			{

  2108 				rootmenu->ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  2109 			}

  2110 			else

  2111 			{

  2112 				rootmenu->ConsolePrint("[SM] Failed to unload plugin %s.", name);

  2113 			}

  2115 			return;

  2116 		}

  2117 		else if (strcmp(cmd, "unload_all") == 0)

  2118 		{

  2119 			g_PluginSys.UnloadAll();

  2120 			rootmenu->ConsolePrint("[SM] All plugins have been unloaded.");

  2121 			return;

  2122 		}

  2123 		else if (strcmp(cmd, "load_lock") == 0)

  2124 		{

  2125 			if (m_LoadingLocked)

  2126 			{

  2127 				rootmenu->ConsolePrint("[SM] There is already a loading lock in effect.");

  2128 			}

  2129 			else

  2130 			{

  2131 				m_LoadingLocked = true;

  2132 				rootmenu->ConsolePrint("[SM] Loading is now locked; no plugins will be loaded or re-loaded.");

  2133 			}

  2134 			return;

  2135 		}

  2136 		else if (strcmp(cmd, "load_unlock") == 0)

  2137 		{

  2138 			if (m_LoadingLocked)

  2139 			{

  2140 				m_LoadingLocked = false;

  2141 				rootmenu->ConsolePrint("[SM] The loading lock is no longer in effect.");

  2142 			}

  2143 			else

  2144 			{

  2145 				rootmenu->ConsolePrint("[SM] There was no loading lock in effect.");

  2146 			}

  2147 			return;

  2148 		}

  2149 		else if (strcmp(cmd, "info") == 0)

  2150 		{

  2151 			if (argcount < 4)

  2152 			{

  2153 				rootmenu->ConsolePrint("[SM] Usage: sm plugins info <#>");

  2154 				return;

  2155 			}

  2157 			CPlugin *pl;

  2158 			char *end;

  2159 			const char *arg = smcore.Arg(command, 3);

  2160 			int id = strtol(arg, &end, 10);

  2162 			if (*end == '\0')

  2163 			{

  2164 				pl = GetPluginByOrder(id);

  2165 				if (!pl)

  2166 				{

  2167 					rootmenu->ConsolePrint("[SM] Plugin index %d not found.", id);

  2168 					return;

  2169 				}

  2170 			}

  2171 			else

  2172 			{

  2173 				char pluginfile[256];

  2174 				const char *ext = libsys->GetFileExtension(arg) ? "" : ".smx";

  2175 				g_pSM->BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2177 				if (!m_LoadLookup.retrieve(pluginfile, &pl))

  2178 				{

  2179 					rootmenu->ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2180 					return;

  2181 				}

  2182 			}

  2184 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2186 			rootmenu->ConsolePrint("  Filename: %s", pl->GetFilename());

  2187 			if (pl->GetStatus() <= Plugin_Error)

  2188 			{

  2189 				if (IS_STR_FILLED(info->name))

  2190 				{

  2191 					if (IS_STR_FILLED(info->description))

  2192 					{

  2193 						rootmenu->ConsolePrint("  Title: %s (%s)", info->name, info->description);

  2194 					} else {

  2195 						rootmenu->ConsolePrint("  Title: %s", info->name);

  2196 					}

  2197 				}

  2198 				if (IS_STR_FILLED(info->author))

  2199 				{

  2200 					rootmenu->ConsolePrint("  Author: %s", info->author);

  2201 				}

  2202 				if (IS_STR_FILLED(info->version))

  2203 				{

  2204 					rootmenu->ConsolePrint("  Version: %s", info->version);

  2205 				}

  2206 				if (IS_STR_FILLED(info->url))

  2207 				{

  2208 					rootmenu->ConsolePrint("  URL: %s", info->url);

  2209 				}

  2210 				if (pl->GetStatus() == Plugin_Error)

  2211 				{

  2212 					rootmenu->ConsolePrint("  Error: %s", pl->m_errormsg);

  2213 				}

  2214 				else

  2215 				{

  2216 					if (pl->GetStatus() == Plugin_Running)

  2217 					{

  2218 						rootmenu->ConsolePrint("  Status: running");

  2219 					}

  2220 					else

  2221 					{

  2222 						rootmenu->ConsolePrint("  Status: not running");

  2223 					}

  2225 					const char *typestr = "";

  2226 					switch (pl->GetType())

  2227 					{

  2228 					case PluginType_MapUpdated:

  2229 						typestr = "Map Change if Updated";

  2230 						break;

  2231 					case PluginType_MapOnly:

  2232 						typestr = "Map Change";

  2233 						break;

  2234 					case PluginType_Private:

  2235 					case PluginType_Global:

  2236 						typestr = "Never";

  2237 						break;

  2238 					}

  2240 					rootmenu->ConsolePrint("  Reloads: %s", typestr);

  2241 				}

  2242 				if (pl->m_FileVersion >= 3)

  2243 				{

  2244 					rootmenu->ConsolePrint("  Timestamp: %s", pl->m_DateTime);

  2245 				}

  2247 				unsigned char *pCodeHash = pl->m_pRuntime->GetCodeHash();

  2248 				unsigned char *pDataHash = pl->m_pRuntime->GetDataHash();

  2250 				char combinedHash[33];

  2251 				for (int i = 0; i < 16; i++)

  2252 					smcore.Format(combinedHash + (i * 2), 3, "%02x", pCodeHash[i] ^ pDataHash[i]);

  2254 				rootmenu->ConsolePrint("  Hash: %s", combinedHash);

  2255 			}

  2256 			else

  2257 			{

  2258 				rootmenu->ConsolePrint("  Load error: %s", pl->m_errormsg);

  2259 				if (pl->GetStatus() < Plugin_Created)

  2260 				{

  2261 					rootmenu->ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  2262 											info->name ? info->name : "<none>",

  2263 											info->version ? info->version : "<none>");

  2264 					if (IS_STR_FILLED(info->url))

  2265 					{

  2266 						rootmenu->ConsolePrint("  File URL: %s", info->url);

  2267 					}

  2268 				}

  2269 			}

  2271 			return;

  2272 		}

  2273 		else if (strcmp(cmd, "refresh") == 0)

  2274 		{

  2275 			smcore.DoGlobalPluginLoads();

  2276 			rootmenu->ConsolePrint("[SM] The plugin list has been refreshed and reloaded.");

  2277 			return;

  2278 		}

  2279 		else if (strcmp(cmd, "reload") == 0)

  2280 		{

  2281 			if (argcount < 4)

  2282 			{

  2283 				rootmenu->ConsolePrint("[SM] Usage: sm plugins reload <#|file>");

  2284 				return;

  2285 			}

  2287 			CPlugin *pl;

  2288 			char *end;

  2289 			const char *arg = smcore.Arg(command, 3);

  2290 			int id = strtol(arg, &end, 10);

  2292 			if (*end == '\0')

  2293 			{

  2294 				pl = GetPluginByOrder(id);

  2295 				if (!pl)

  2296 				{

  2297 					rootmenu->ConsolePrint("[SM] Plugin index %d not found.", id);

  2298 					return;

  2299 				}

  2300 			}

  2301 			else

  2302 			{

  2303 				char pluginfile[256];

  2304 				const char *ext = libsys->GetFileExtension(arg) ? "" : ".smx";

  2305 				g_pSM->BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2307 				if (!m_LoadLookup.retrieve(pluginfile, &pl))

  2308 				{

  2309 					rootmenu->ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2310 					return;

  2311 				}

  2312 			}

  2314 			char name[PLATFORM_MAX_PATH];

  2315 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2316 			if (pl->GetStatus() <= Plugin_Paused)

  2317 				strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2318 			else

  2319 				strcpy(name, pl->GetFilename());

  2321 			if (ReloadPlugin(pl))

  2322 			{

  2323 				rootmenu->ConsolePrint("[SM] Plugin %s reloaded successfully.", name);

  2324 			}

  2325 			else

  2326 			{

  2327 				rootmenu->ConsolePrint("[SM] Failed to reload plugin %s.", name);

  2328 			}

  2330 			return;

  2331 		}

  2332 	}

  2334 	/* Draw the main menu */

  2335 	rootmenu->ConsolePrint("SourceMod Plugins Menu:");

  2336 	rootmenu->DrawGenericOption("info", "Information about a plugin");

  2337 	rootmenu->DrawGenericOption("list", "Show loaded plugins");

  2338 	rootmenu->DrawGenericOption("load", "Load a plugin");

  2339 	rootmenu->DrawGenericOption("load_lock", "Prevents any more plugins from being loaded");

  2340 	rootmenu->DrawGenericOption("load_unlock", "Re-enables plugin loading");

  2341 	rootmenu->DrawGenericOption("refresh", "Reloads/refreshes all plugins in the plugins folder");

  2342 	rootmenu->DrawGenericOption("reload", "Reloads a plugin");

  2343 	rootmenu->DrawGenericOption("unload", "Unload a plugin");

  2344 	rootmenu->DrawGenericOption("unload_all", "Unloads all plugins");

  2345 }

  2347 bool CPluginManager::ReloadPlugin(CPlugin *pl)

  2348 {

  2349 	List<CPlugin *>::iterator iter;

  2350 	char filename[PLATFORM_MAX_PATH];

  2351 	bool wasloaded;

  2352 	PluginType ptype;

  2353 	IPlugin *newpl;

  2354 	int id = 1;

  2356 	strcpy(filename, pl->m_filename);

  2357 	ptype = pl->GetType();

  2359 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++, id++)

  2360 	{

  2361 		if ((*iter) == pl)

  2362 		{

  2363 			break;

  2364 		}

  2365 	}

  2367 	if (!UnloadPlugin(pl))

  2368 	{

  2369 		return false;

  2370 	}

  2371 	if (!(newpl=LoadPlugin(filename, true, ptype, NULL, 0, &wasloaded)))

  2372 	{

  2373 		return false;

  2374 	}

  2376 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2377 	{

  2378 		if ((*iter) == (CPlugin *)newpl)

  2379 		{

  2380 			m_plugins.erase(iter);

  2381 			break;

  2382 		}

  2383 	}

  2385 	int i;

  2386 	for (i=1, iter=m_plugins.begin(); iter!=m_plugins.end() && i<id; iter++, i++)

  2387 	{

  2388 	}

  2389 	m_plugins.insert(iter, (CPlugin *)newpl);

  2391 	return true;

  2392 }

  2394 void CPluginManager::RefreshAll()

  2395 {

  2396 	/* If we're in a load lock, just skip this whole bit. */

  2397 	if (m_LoadingLocked)

  2398 	{

  2399 		return;

  2400 	}

  2402 	List<CPlugin *>::iterator iter;

  2403 	List<CPlugin *> tmp_list = m_plugins;

  2404 	CPlugin *pl;

  2405 	time_t t;

  2407 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  2408 	{

  2409 		pl = (*iter);

  2410 		if (pl->GetType() ==  PluginType_MapOnly)

  2411 		{

  2412 			UnloadPlugin((IPlugin *)pl);

  2413 		}

  2414 		else if (pl->GetType() == PluginType_MapUpdated)

  2415 		{

  2416 			t = pl->GetFileTimeStamp();

  2417 			if (!t || t > pl->GetTimeStamp())

  2418 			{

  2419 				pl->SetTimeStamp(t);

  2420 				UnloadPlugin((IPlugin *)pl);

  2421 			}

  2422 		}

  2423 	}

  2424 }

  2426 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  2427 {

  2428 	List<IPluginsListener *>::iterator iter;

  2429 	IPluginsListener *pListener;

  2430 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  2431 	{

  2432 		pListener = (*iter);

  2433 		pListener->OnPluginPauseChange(pl, paused);

  2434 	}

  2435 }

  2437 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  2438 {

  2439 	List<CPlugin *>::iterator iter;

  2440 	CPlugin *pPlugin;

  2441 	IPluginFunction *pFunction;

  2443 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2444 	{

  2445 		pPlugin = (*iter);

  2447 		if (pPlugin->GetStatus() <= Plugin_Paused)

  2448 		{

  2449 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  2451 			if (pFunction)

  2452 			{

  2453 				pForward->AddFunction(pFunction);

  2454 			}

  2455 		}

  2456 	}

  2457 }

  2459 CPlugin *CPluginManager::GetPluginFromIdentity(IdentityToken_t *pToken)

  2460 {

  2461 	if (pToken->type != g_PluginIdent)

  2462 	{

  2463 		return NULL;

  2464 	}

  2466 	return (CPlugin *)(pToken->ptr);

  2467 }

  2469 void CPluginManager::OnLibraryAction(const char *lib, LibraryAction action)

  2470 {

  2471 	switch (action)

  2472 	{

  2473 	case LibraryAction_Removed:

  2474 		m_pOnLibraryRemoved->PushString(lib);

  2475 		m_pOnLibraryRemoved->Execute(NULL);

  2476 		break;

  2477 	case LibraryAction_Added:

  2478 		m_pOnLibraryAdded->PushString(lib);

  2479 		m_pOnLibraryAdded->Execute(NULL);

  2480 		break;

  2481 	}

  2482 }

  2484 bool CPluginManager::LibraryExists(const char *lib)

  2485 {

  2486 	List<CPlugin *>::iterator iter;

  2488 	for (iter=m_plugins.begin();

  2489 		 iter!=m_plugins.end();

  2490 		 iter++)

  2491 	{

  2492 		CPlugin *pl = (*iter);

  2493 		if (pl->GetStatus() != Plugin_Running)

  2494 		{

  2495 			continue;

  2496 		}

  2497 		List<String>::iterator s_iter;

  2498 		for (s_iter = pl->m_Libraries.begin();

  2499 			 s_iter != pl->m_Libraries.end();

  2500 			 s_iter++)

  2501 		{

  2502 			if ((*s_iter).compare(lib) == 0)

  2503 			{

  2504 				return true;

  2505 			}

  2506 		}

  2507 	}

  2509 	return false;

  2510 }

  2512 void CPluginManager::AllPluginsLoaded()

  2513 {

  2514 	List<CPlugin *>::iterator iter;

  2515 	CPlugin *pl;

  2517 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2518 	{

  2519 		pl = (*iter);

  2520 		pl->Call_OnAllPluginsLoaded();

  2521 	}

  2522 }

  2524 void CPluginManager::UnloadAll()

  2525 {

  2526 	List<CPlugin *>::iterator iter;

  2527 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  2528 	{

  2529 		UnloadPlugin((*iter));

  2530 	}

  2531 }

  2533 int CPluginManager::GetOrderOfPlugin(IPlugin *pl)

  2534 {

  2535 	int id = 1;

  2536 	List<CPlugin *>::iterator iter;

  2538 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++, id++)

  2539 	{

  2540 		if ((*iter) == pl)

  2541 		{

  2542 			return id;

  2543 		}

  2544 	}

  2546 	return -1;

  2547 }

  2549 SMPlugin *CPluginManager::FindPluginByConsoleArg(const char *arg)

  2550 {

  2551 	int id;

  2552 	char *end;

  2553 	CPlugin *pl;

  2555 	id = strtol(arg, &end, 10);

  2557 	if (*end == '\0')

  2558 	{

  2559 		pl = GetPluginByOrder(id);

  2560 		if (!pl)

  2561 		{

  2562 			return NULL;

  2563 		}

  2564 	}

  2565 	else

  2566 	{

  2567 		char pluginfile[256];

  2568 		const char *ext = libsys->GetFileExtension(arg) ? "" : ".smx";

  2569 		smcore.Format(pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2571 		if (!m_LoadLookup.retrieve(pluginfile, &pl))

  2572 			return NULL;

  2573 	}

  2575 	return pl;

  2576 }

  2578 void CPluginManager::OnSourceModMaxPlayersChanged(int newvalue)

  2579 {

  2580 	SyncMaxClients(newvalue);

  2581 }

  2583 void CPluginManager::SyncMaxClients(int max_clients)

  2584 {

  2585 	List<CPlugin *>::iterator iter;

  2587 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2588 	{

  2589 		(*iter)->SyncMaxClients(max_clients);

  2590 	}

  2591 }

  2593 const CVector<SMPlugin *> *CPluginManager::ListPlugins()

  2594 {

  2595 	CVector<SMPlugin *> *list = new CVector<SMPlugin *>();

  2597 	for (List<CPlugin *>::iterator iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2598 		list->push_back((*iter));

  2600 	return list;

  2601 }

  2603 void CPluginManager::FreePluginList(const CVector<SMPlugin *> *list)

  2604 {

  2605 	delete const_cast<CVector<SMPlugin *> *>(list);

  2606 }

  2608 class OldPluginAPI : public IPluginManager

  2609 {

  2610 public:

  2611 	IPlugin *LoadPlugin(const char *path,

  2612 						bool debug,

  2613 						PluginType type,

  2614 						char error[],

  2615 						size_t maxlength,

  2616 						bool *wasloaded)

  2617 	{

  2618 		return g_PluginSys.LoadPlugin(path, debug, type, error, maxlength, wasloaded);

  2619 	}

  2621 	bool UnloadPlugin(IPlugin *plugin)

  2622 	{

  2623 		return g_PluginSys.UnloadPlugin(plugin);

  2624 	}

  2626 	IPlugin *FindPluginByContext(const sp_context_t *ctx)

  2627 	{

  2628 		return g_PluginSys.FindPluginByContext(ctx);

  2629 	}

  2631 	unsigned int GetPluginCount()

  2632 	{

  2633 		return g_PluginSys.GetPluginCount();

  2634 	}

  2636 	IPluginIterator *GetPluginIterator()

  2637 	{

  2638 		return g_PluginSys.GetPluginIterator();

  2639 	}

  2641 	void AddPluginsListener(IPluginsListener *listener)

  2642 	{

  2643 		g_PluginSys.AddPluginsListener(listener);

  2644 	}

  2646 	void RemovePluginsListener(IPluginsListener *listener)

  2647 	{

  2648 		g_PluginSys.RemovePluginsListener(listener);

  2649 	}

  2651 	IPlugin *PluginFromHandle(Handle_t handle, HandleError *err)

  2652 	{

  2653 		return g_PluginSys.PluginFromHandle(handle, err);

  2654 	}

  2655 };

  2657 static OldPluginAPI sOldPluginAPI;

  2659 IPluginManager *CPluginManager::GetOldAPI()

  2660 {

  2661 	return &sOldPluginAPI;

  2662 }

author	Ruben Gonzalez <drifter01620@gmail.com>
	Thu May 22 09:49:27 2014 -0400 (2014-05-22)
changeset 4378	568f4497ef4a
parent 4109	10eb68d668af
permissions	-rw-r--r--