sourcemod-central: core/PluginSys.cpp@f1bfc4089ce5

     1 /**

     2  * vim: set ts=4 :

     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 "PluginSys.h"

    34 #include "ShareSys.h"

    35 #include "LibrarySys.h"

    36 #include "HandleSys.h"

    37 #include "ForwardSys.h"

    38 #include "sourcemm_api.h"

    39 #include "sourcemod.h"

    40 #include "Logger.h"

    41 #include "ExtensionSys.h"

    42 #include "sm_srvcmds.h"

    43 #include "sm_stringutil.h"

    44 #include "ConCmdManager.h"

    45 #include "PlayerManager.h"

    46 #include "CoreConfig.h"

    47 #include "logic_bridge.h"

    49 CPluginManager g_PluginSys;

    50 HandleType_t g_PluginType = 0;

    51 IdentityType_t g_PluginIdent = 0;

    53 CPlugin::CPlugin(const char *file)

    54 {

    55 	static int MySerial = 0;

    57 	m_type = PluginType_Private;

    58 	m_status = Plugin_Uncompiled;

    59 	m_bSilentlyFailed = false;

    60 	m_serial = ++MySerial;

    61 	m_pRuntime = NULL;

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

    63 	UTIL_Format(m_filename, sizeof(m_filename), "%s", file);

    64 	m_handle = 0;

    65 	m_ident = NULL;

    66 	m_pProps = sm_trie_create();

    67 	m_FakeNativesMissing = false;

    68 	m_LibraryMissing = false;

    69 	m_bGotAllLoaded = false;

    70 	m_pPhrases = translator->CreatePhraseCollection();

    71 	m_MaxClientsVar = NULL;

    72 }

    74 CPlugin::~CPlugin()

    75 {

    76 	if (m_handle)

    77 	{

    78 		HandleSecurity sec;

    79 		sec.pOwner = g_PluginSys.GetIdentity();

    80 		sec.pIdentity = sec.pOwner;

    82 		g_HandleSys.FreeHandle(m_handle, &sec);

    83 		g_ShareSys.DestroyIdentity(m_ident);

    84 	}

    86 	if (m_pRuntime != NULL)

    87 	{

    88 		delete m_pRuntime;

    89 		m_pRuntime = NULL;

    90 	}

    92 	if (m_pProps)

    93 	{

    94 		sm_trie_destroy(m_pProps);

    95 	}

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

    97 	{

    98 		delete m_configs[i];

    99 	}

   100 	m_configs.clear();

   101 	if (m_pPhrases != NULL)

   102 	{

   103 		m_pPhrases->Destroy();

   104 		m_pPhrases = NULL;

   105 	}

   106 }

   108 void CPlugin::InitIdentity()

   109 {

   110 	if (!m_handle)

   111 	{

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

   113 		m_handle = g_HandleSys.CreateHandle(g_PluginType, this, g_PluginSys.GetIdentity(), g_PluginSys.GetIdentity(), NULL);

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

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

   116 	}

   117 }

   119 unsigned int CPlugin::CalcMemUsage()

   120 {

   121 	unsigned int base_size =

   122 		sizeof(CPlugin)

   123 		+ sizeof(IdentityToken_t)

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

   125 		+ sm_trie_mem_usage(m_pProps);

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

   128 	{

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

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

   131 	}

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

   134 		 i != m_Libraries.end();

   135 		 i++)

   136 	{

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

   138 	}

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

   141 		 i != m_RequiredLibs.end();

   142 		 i++)

   143 	{

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

   145 	}

   147 	return base_size;

   148 }

   150 Handle_t CPlugin::GetMyHandle()

   151 {

   152 	return m_handle;

   153 }

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

   156 {

   157 	char fullpath[PLATFORM_MAX_PATH];

   158 	g_SourceMod.BuildPath(Path_SM, fullpath, sizeof(fullpath), "plugins/%s", file);

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

   161 	CPlugin *pPlugin = new CPlugin(file);

   163 	if (!fp)

   164 	{

   165 		if (error)

   166 		{

   167 			UTIL_Format(error, maxlength, "Unable to open file");

   168 		}

   169 		pPlugin->m_status = Plugin_BadLoad;

   170 		return pPlugin;

   171 	}

   173 	fclose(fp);

   175 	return pPlugin;

   176 }

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

   179 {

   180 	bool exists = sm_trie_retrieve(m_pProps, prop, ptr);

   182 	if (exists && remove)

   183 	{

   184 		sm_trie_delete(m_pProps, prop);

   185 	}

   187 	return exists;

   188 }

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

   191 {

   192 	return sm_trie_insert(m_pProps, prop, ptr);

   193 }

   195 IPluginRuntime *CPlugin::GetRuntime()

   196 {

   197 	return m_pRuntime;

   198 }

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

   201 {

   202 	PluginStatus old_status = m_status;

   203 	m_status = status;

   205 	if (old_status == Plugin_Running)

   206 	{

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

   208 		g_PluginSys._SetPauseState(this, true);

   209 	}

   211 	va_list ap;

   212 	va_start(ap, error_fmt);

   213 	UTIL_FormatArgs(m_errormsg, sizeof(m_errormsg), error_fmt, ap);

   214 	va_end(ap);

   216 	if (m_pRuntime != NULL)

   217 	{

   218 		m_pRuntime->SetPauseState(true);

   219 	}

   220 }

   222 bool CPlugin::UpdateInfo()

   223 {

   224 	/* Now grab the info */

   225 	uint32_t idx;

   226 	IPluginContext *base = GetBaseContext();

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

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

   231 	if (err == SP_ERROR_NONE)

   232 	{

   233 		struct sm_plugininfo_c_t

   234 		{

   235 			cell_t name;

   236 			cell_t description;

   237 			cell_t author;

   238 			cell_t version;

   239 			cell_t url;

   240 		};

   241 		sm_plugininfo_c_t *cinfo;

   242 		cell_t local_addr;

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

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

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

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

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

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

   250 	}

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

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

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

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

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

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

   259 	{

   260 		struct __version_info

   261 		{

   262 			cell_t version;

   263 			cell_t filevers;

   264 			cell_t date;

   265 			cell_t time;

   266 		};

   267 		__version_info *info;

   268 		cell_t local_addr;

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

   271 		pDate = "";

   272 		pTime = "";

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

   275 		m_FileVersion = info->version;

   276 		if (m_FileVersion >= 4)

   277 		{

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

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

   280 			UTIL_Format(m_DateTime, sizeof(m_DateTime), "%s %s", pDate, pTime);

   281 		}

   282 		if (m_FileVersion > 5)

   283 		{

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

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

   286 			return false;

   287 		}

   288 	}

   289 	else

   290 	{

   291 		m_FileVersion = 0;

   292 	}

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

   295 	{

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

   297 	}

   299 	return true;

   300 }

   302 void CPlugin::SyncMaxClients(int max_clients)

   303 {

   304 	if (m_MaxClientsVar == NULL)

   305 	{

   306 		return;

   307 	}

   309 	*m_MaxClientsVar->offs = max_clients;

   310 }

   312 void CPlugin::Call_OnPluginStart()

   313 {

   314 	if (m_status != Plugin_Loaded)

   315 	{

   316 		return;

   317 	}

   319 	m_status = Plugin_Running;

   321 	SyncMaxClients(g_Players.MaxClients());

   323 	cell_t result;

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

   325 	if (!pFunction)

   326 	{

   327 		return;

   328 	}

   330 	int err;

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

   332 	{

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

   334 	}

   335 }

   337 void CPlugin::Call_OnPluginEnd()

   338 {

   339 	if (m_status > Plugin_Paused)

   340 	{

   341 		return;

   342 	}

   344 	cell_t result;

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

   346 	if (!pFunction)

   347 	{

   348 		return;

   349 	}

   351 	pFunction->Execute(&result);

   352 }

   354 void CPlugin::Call_OnAllPluginsLoaded()

   355 {

   356 	if (m_status > Plugin_Paused)

   357 	{

   358 		return;

   359 	}

   361 	if (m_bGotAllLoaded)

   362 	{

   363 		return;

   364 	}

   366 	m_bGotAllLoaded = true;

   368 	cell_t result;

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

   370 	if (pFunction != NULL)

   371 	{

   372 		pFunction->Execute(&result);

   373 	}

   375 	if (g_OnMapStarted)

   376 	{

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

   378 		{

   379 			pFunction->Execute(NULL);

   380 		}

   381 	}

   383 	if (SM_AreConfigsExecuted())

   384 	{

   385 		SM_ExecuteForPlugin(GetBaseContext());

   386 	}

   387 }

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

   390 {

   391 	if (m_status != Plugin_Created)

   392 	{

   393 		return APLRes_Failure;

   394 	}

   396 	m_status = Plugin_Loaded;

   398 	int err;

   399 	cell_t result;

   400 	bool haveNewAPL = false;

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

   403 	if (pFunction)

   404 	{

   405 		haveNewAPL = true;

   406 	}

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

   408 	{

   409 		return APLRes_Success;

   410 	}

   412 	pFunction->PushCell(m_handle);

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

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

   415 	pFunction->PushCell(maxlength);

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

   417 	{

   418 		return APLRes_Failure;

   419 	}

   421 	if (haveNewAPL)

   422 	{

   423 		return (APLRes)result;

   424 	}

   425 	else if (result)

   426 	{

   427 		return APLRes_Success;

   428 	}

   429 	else

   430 	{

   431 		return APLRes_Failure;

   432 	}

   433 }

   435 void *CPlugin::GetPluginStructure()

   436 {

   437 	return NULL;

   438 }

   440 IPluginContext *CPlugin::GetBaseContext()

   441 {

   442 	if (m_pRuntime == NULL)

   443 	{

   444 		return NULL;

   445 	}

   447 	return m_pRuntime->GetDefaultContext();

   448 }

   450 sp_context_t *CPlugin::GetContext()

   451 {

   452 	return NULL;

   453 }

   455 const char *CPlugin::GetFilename()

   456 {

   457 	return m_filename;

   458 }

   460 PluginType CPlugin::GetType()

   461 {

   462 	return m_type;

   463 }

   465 const sm_plugininfo_t *CPlugin::GetPublicInfo()

   466 {

   467 	if (GetStatus() >= Plugin_Created)

   468 	{

   469 		return NULL;

   470 	}

   471 	return &m_info;

   472 }

   474 unsigned int CPlugin::GetSerial()

   475 {

   476 	return m_serial;

   477 }

   479 PluginStatus CPlugin::GetStatus()

   480 {

   481 	return m_status;

   482 }

   484 bool CPlugin::IsSilentlyFailed()

   485 {

   486 	return m_bSilentlyFailed;

   487 }

   489 bool CPlugin::IsDebugging()

   490 {

   491 	if (m_pRuntime == NULL)

   492 	{

   493 		return false;

   494 	}

   496 	return true;

   497 }

   499 void CPlugin::SetSilentlyFailed(bool sf)

   500 {

   501 	m_bSilentlyFailed = sf;

   502 }

   504 void CPlugin::LibraryActions(bool dropping)

   505 {

   506 	List<String>::iterator iter;

   507 	for (iter = m_Libraries.begin();

   508 		iter != m_Libraries.end();

   509 		iter++)

   510 	{

   511 		g_PluginSys.OnLibraryAction((*iter).c_str(), true, dropping);

   512 	}

   513 }

   515 bool CPlugin::SetPauseState(bool paused)

   516 {

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

   518 	{

   519 		return false;

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

   521 		return false;

   522 	}

   524 	if (paused)

   525 	{

   526 		LibraryActions(true);

   527 	}

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

   530 	if (pFunction)

   531 	{

   532 		cell_t result;

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

   534 		pFunction->Execute(&result);

   535 	}

   537 	if (paused)

   538 	{

   539 		m_status = Plugin_Paused;

   540 		m_pRuntime->SetPauseState(true);

   541 	} else {

   542 		m_status = Plugin_Running;

   543 		m_pRuntime->SetPauseState(false);

   544 	}

   546 	g_PluginSys._SetPauseState(this, paused);

   548 	if (!paused)

   549 	{

   550 		LibraryActions(false);

   551 	}

   553 	return true;

   554 }

   556 IdentityToken_t *CPlugin::GetIdentity()

   557 {

   558 	return m_ident;

   559 }

   561 bool CPlugin::IsRunnable()

   562 {

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

   564 }

   566 time_t CPlugin::GetFileTimeStamp()

   567 {

   568 	char path[PLATFORM_MAX_PATH];

   569 	g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "plugins/%s", m_filename);

   570 #ifdef PLATFORM_WINDOWS

   571 	struct _stat s;

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

   573 #elif defined PLATFORM_POSIX

   574 	struct stat s;

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

   576 #endif

   577 	{

   578 		return 0;

   579 	}

   580 	else

   581 	{

   582 		return s.st_mtime;

   583 	}

   584 }

   586 time_t CPlugin::GetTimeStamp()

   587 {

   588 	return m_LastAccess;

   589 }

   591 void CPlugin::SetTimeStamp(time_t t)

   592 {

   593 	m_LastAccess = t;

   594 }

   596 IPhraseCollection *CPlugin::GetPhrases()

   597 {

   598 	return m_pPhrases;

   599 }

   601 void CPlugin::DependencyDropped(CPlugin *pOwner)

   602 {

   603 	if (!m_pRuntime)

   604 	{

   605 		return;

   606 	}

   608 	List<String>::iterator reqlib_iter;

   609 	List<String>::iterator lib_iter;

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

   611 	{

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

   613 		{

   614 			if ((*reqlib_iter) == (*lib_iter))

   615 			{

   616 				m_LibraryMissing = true;

   617 			}

   618 		}

   619 	}

   621 	List<NativeEntry *>::iterator iter;

   622 	NativeEntry *pNative;

   623 	sp_native_t *native;

   624 	uint32_t idx;

   625 	unsigned int unbound = 0;

   627 	for (iter = pOwner->m_Natives.begin();

   628 		 iter != pOwner->m_Natives.end();

   629 		 iter++)

   630 	{

   631 		pNative = (*iter);

   632 		/* Find this native! */

   633 		if (m_pRuntime->FindNativeByName(pNative->name, &idx) != SP_ERROR_NONE)

   634 		{

   635 			continue;

   636 		}

   637 		/* Unbind it */

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

   639 		native->pfn = NULL;

   640 		native->status = SP_NATIVE_UNBOUND;

   641 		unbound++;

   642 	}

   644 	if (unbound)

   645 	{

   646 		m_FakeNativesMissing = true;

   647 	}

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

   650 	if (m_FakeNativesMissing || m_LibraryMissing)

   651 	{

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

   653 	}

   654 }

   656 unsigned int CPlugin::GetConfigCount()

   657 {

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

   659 }

   661 AutoConfig *CPlugin::GetConfig(unsigned int i)

   662 {

   663 	if (i >= GetConfigCount())

   664 	{

   665 		return NULL;

   666 	}

   668 	return m_configs[i];

   669 }

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

   672 {

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

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

   675 	{

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

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

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

   679 		{

   680 			return;

   681 		}

   682 	}

   684 	AutoConfig *c = new AutoConfig;

   686 	c->autocfg = cfg;

   687 	c->folder = folder;

   688 	c->create = autoCreate;

   690 	m_configs.push_back(c);

   691 }

   693 void CPlugin::DropEverything()

   694 {

   695 	CPlugin *pOther;

   696 	List<CPlugin *>::iterator iter;

   697 	List<WeakNative>::iterator wk_iter;

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

   700 	for (iter = m_Dependents.begin();

   701 		 iter != m_Dependents.end();

   702 		 iter++)

   703 	{

   704 		pOther = (*iter);

   705 		pOther->DependencyDropped(this);

   706 	}

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

   709 	 * The reason is that extensions have their own cleanup

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

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

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

   713 	 */

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

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

   717 	 */

   718 	for (iter = g_PluginSys.m_plugins.begin();

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

   720 		 iter++)

   721 	{

   722 		(*iter)->DropRefsTo(this);

   723 	}

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

   726 	CNativeOwner::DropEverything();

   727 }

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

   730 {

   731 	NativeEntry *pEntry;

   733 	if ((pEntry = g_ShareSys.AddFakeNative(pFunc, name, func)) == NULL)

   734 	{

   735 		return false;

   736 	}

   738 	m_Natives.push_back(pEntry);

   740 	return true;

   741 }

   743 /*******************

   744  * PLUGIN ITERATOR *

   745  *******************/

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

   748 {

   749 	mylist = _mylist;

   750 	Reset();

   751 }

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

   754 {

   755 	return (*current);

   756 }

   758 bool CPluginManager::CPluginIterator::MorePlugins()

   759 {

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

   761 }

   763 void CPluginManager::CPluginIterator::NextPlugin()

   764 {

   765 	current++;

   766 }

   768 void CPluginManager::CPluginIterator::Release()

   769 {

   770 	g_PluginSys.ReleaseIterator(this);

   771 }

   773 CPluginManager::CPluginIterator::~CPluginIterator()

   774 {

   775 }

   777 void CPluginManager::CPluginIterator::Reset()

   778 {

   779 	current = mylist->begin();

   780 }

   782 /******************

   783  * PLUGIN MANAGER *

   784  ******************/

   786 CPluginManager::CPluginManager()

   787 {

   788 	m_LoadLookup = sm_trie_create();

   789 	m_AllPluginsLoaded = false;

   790 	m_MyIdent = NULL;

   791 	m_LoadingLocked = false;

   792 }

   794 CPluginManager::~CPluginManager()

   795 {

   796 	/* :NOTICE:

   797 	 * Ignore the fact that there might be plugins in the cache.

   798 	 * This usually means that Core is not being unloaded properly, and everything

   799 	 * will crash anyway.  YAY

   800 	 */

   801 	sm_trie_destroy(m_LoadLookup);

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

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

   805 	{

   806 		delete (*iter);

   807 	}

   808 	m_iters.popall();

   809 }

   811 void CPluginManager::Shutdown()

   812 {

   813 	List<CPlugin *>::iterator iter;

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

   816 	{

   817 		UnloadPlugin(*iter);

   818 	}

   819 }

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

   822 {

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

   824 	SMCError err;

   825 	SMCStates states;

   826 	m_AllPluginsLoaded = false;

   827 	if ((err=textparsers->ParseFile_SMC(config, &m_PluginInfo, &states)) != SMCError_Okay)

   828 	{

   829 		g_Logger.LogError("[SM] Encountered fatal error parsing file \"%s\"", config);

   830 		const char *err_msg = textparsers->GetSMCErrorString(err);

   831 		if (err_msg)

   832 		{

   833 			g_Logger.LogError("[SM] Parse error encountered: \"%s\"", err_msg);

   834 		}

   835 	}

   837 	LoadPluginsFromDir(basedir, NULL);

   838 }

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

   841 {

   842 	char base_path[PLATFORM_MAX_PATH];

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

   845 	if (localpath == NULL)

   846 	{

   847 		g_LibSys.PathFormat(base_path, sizeof(base_path), "%s", basedir);

   848 	} else {

   849 		g_LibSys.PathFormat(base_path, sizeof(base_path), "%s/%s", basedir, localpath);

   850 	}

   852 	IDirectory *dir = g_LibSys.OpenDirectory(base_path);

   854 	if (!dir)

   855 	{

   856 		char error[256];

   857 		g_LibSys.GetPlatformError(error, sizeof(error));

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

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

   860 		return;

   861 	}

   863 	while (dir->MoreFiles())

   864 	{

   865 		if (dir->IsEntryDirectory()

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

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

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

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

   870 		{

   871 			char new_local[PLATFORM_MAX_PATH];

   872 			if (localpath == NULL)

   873 			{

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

   875 				UTIL_Format(new_local, sizeof(new_local), "%s", dir->GetEntryName());

   876 			} else {

   877 				g_LibSys.PathFormat(new_local, sizeof(new_local), "%s/%s", localpath, dir->GetEntryName());

   878 			}

   879 			LoadPluginsFromDir(basedir, new_local);

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

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

   882 			size_t len = strlen(name);

   883 			if (len >= 4

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

   885 			{

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

   887 				char plugin[PLATFORM_MAX_PATH];

   888 				if (localpath == NULL)

   889 				{

   890 					UTIL_Format(plugin, sizeof(plugin), "%s", name);

   891 				} else {

   892 					g_LibSys.PathFormat(plugin, sizeof(plugin), "%s/%s", localpath, name);

   893 				}

   894 				LoadAutoPlugin(plugin);

   895 			}

   896 		}

   897 		dir->NextEntry();

   898 	}

   899 	g_LibSys.CloseDirectory(dir);

   900 }

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

   903 {

   904 	if (m_LoadingLocked)

   905 	{

   906 		return LoadRes_NeverLoad;

   907 	}

   909 	int err;

   910 	bool no_load = false;

   911 	PluginSettings *pset;

   912 	unsigned int setcount = m_PluginInfo.GetSettingsNum();

   913 	for (unsigned int i=0; i<setcount; i++)

   914 	{

   915 		if ((pset = m_PluginInfo.GetSettingsIfMatch(i, path)) == NULL)

   916 		{

   917 			continue;

   918 		}

   919 		if (pset->blockload_val)

   920 		{

   921 			no_load = true;

   922 			break;

   923 		}

   924 	}

   926 	/**

   927 	 * Does this plugin already exist?

   928 	 */

   929 	CPlugin *pPlugin;

   930 	if (sm_trie_retrieve(m_LoadLookup, path, (void **)&pPlugin))

   931 	{

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

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

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

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

   936 			|| no_load)

   937 		{

   938 			UnloadPlugin(pPlugin);

   939 		}

   940 		else

   941 		{

   942 			if (_plugin)

   943 			{

   944 				*_plugin = pPlugin;

   945 			}

   946 			return LoadRes_AlreadyLoaded;

   947 		}

   948 	}

   950 	if (no_load)

   951 	{

   952 		return LoadRes_NeverLoad;

   953 	}

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

   957 	assert(pPlugin != NULL);

   959 	pPlugin->m_type = PluginType_MapUpdated;

   961 	ICompilation *co = NULL;

   963 	if (pPlugin->m_status == Plugin_Uncompiled)

   964 	{

   965 		co = g_pSourcePawn2->StartCompilation();

   966 	}

   968 	for (unsigned int i=0; i<setcount; i++)

   969 	{

   970 		if ((pset=m_PluginInfo.GetSettingsIfMatch(i, path)) == NULL)

   971 		{

   972 			continue;

   973 		}

   974 		pPlugin->m_type = pset->type_val;

   975 		if (co)

   976 		{

   977 			for (unsigned int j=0; j<pset->opts_num; j++)

   978 			{

   979 				const char *key, *val;

   980 				m_PluginInfo.GetOptionsForPlugin(pset, j, &key, &val);

   981 				if (!key || !val)

   982 				{

   983 					continue;

   984 				}

   985 				if ((err = co->SetOption(key, val)) == SP_ERROR_NONE)

   986 				{

   987 					if (error)

   988 					{

   989 						UTIL_Format(error, maxlength, "Unable to set JIT option (key \"%s\") (value \"%s\")", key, val);

   990 					}

   991 					co->Abort();

   992 					co = NULL;

   993 					break;

   994 				}

   995 			}

   996 		}

   997 	}

   999 	/* Do the actual compiling */

  1000 	if (co != NULL)

  1001 	{

  1002 		char fullpath[PLATFORM_MAX_PATH];

  1003 		g_SourceMod.BuildPath(Path_SM, fullpath, sizeof(fullpath), "plugins/%s", pPlugin->m_filename);

  1005 		pPlugin->m_pRuntime = g_pSourcePawn2->LoadPlugin(co, fullpath, &err);

  1006 		if (pPlugin->m_pRuntime == NULL)

  1007 		{

  1008 			UTIL_Format(error,

  1009 				maxlength,

  1010 				"Unable to load plugin (error %d: %s)",

  1011 				err,

  1012 				g_pSourcePawn2->GetErrorString(err));

  1013 			pPlugin->m_status = Plugin_BadLoad;

  1014 		}

  1015 		else

  1016 		{

  1017 			if (pPlugin->UpdateInfo())

  1018 			{

  1019 				pPlugin->m_status = Plugin_Created;

  1020 			}

  1021 			else

  1022 			{

  1023 				UTIL_Format(error, maxlength, "%s", pPlugin->m_errormsg);

  1024 			}

  1025 		}

  1026 	}

  1028 	LoadRes loadFailure = LoadRes_Failure;

  1029 	/* Get the status */

  1030 	if (pPlugin->GetStatus() == Plugin_Created)

  1031 	{

  1032 		/* First native pass - add anything from Core */

  1033 		g_ShareSys.BindNativesToPlugin(pPlugin, true);

  1034 		pPlugin->InitIdentity();

  1035 		APLRes result = pPlugin->Call_AskPluginLoad(error, maxlength);

  1036 		switch (result)

  1037 		{

  1038 		case APLRes_Success:

  1039 			/* Autoload any modules */

  1040 			LoadOrRequireExtensions(pPlugin, 1, error, maxlength);

  1041 			break;

  1042 		case APLRes_Failure:

  1043 			pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1044 			loadFailure = LoadRes_Failure;

  1045 			break;

  1046 		case APLRes_SilentFailure:

  1047 			pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1048 			loadFailure = LoadRes_SilentFailure;

  1049 			pPlugin->SetSilentlyFailed(true);

  1050 			break;

  1051 		default:

  1052 			assert(false);

  1053 		}

  1054 	}

  1056 	/* Save the time stamp */

  1057 	time_t t = pPlugin->GetFileTimeStamp();

  1058 	pPlugin->SetTimeStamp(t);

  1060 	if (_plugin)

  1061 	{

  1062 		*_plugin = pPlugin;

  1063 	}

  1065 	return (pPlugin->GetStatus() == Plugin_Loaded) ? LoadRes_Successful : loadFailure;

  1066 }

  1068 IPlugin *CPluginManager::LoadPlugin(const char *path, bool debug, PluginType type, char error[], size_t maxlength, bool *wasloaded)

  1069 {

  1070 	CPlugin *pl;

  1071 	LoadRes res;

  1073 	*wasloaded = false;

  1074 	if ((res=_LoadPlugin(&pl, path, true, type, error, maxlength)) == LoadRes_Failure)

  1075 	{

  1076 		delete pl;

  1077 		return NULL;

  1078 	}

  1080 	if (res == LoadRes_AlreadyLoaded)

  1081 	{

  1082 		*wasloaded = true;

  1083 		return pl;

  1084 	}

  1086 	if (res == LoadRes_NeverLoad)

  1087 	{

  1088 		if (error)

  1089 		{

  1090 			if (m_LoadingLocked)

  1091 			{

  1092 				UTIL_Format(error, maxlength, "There is a global plugin loading lock in effect");

  1093 			}

  1094 			else

  1095 			{

  1096 				UTIL_Format(error, maxlength, "This plugin is blocked from loading (see plugin_settings.cfg)");

  1097 			}

  1098 		}

  1099 		return NULL;

  1100 	}

  1102 	AddPlugin(pl);

  1104 	/* Run second pass if we need to */

  1105 	if (IsLateLoadTime() && pl->GetStatus() == Plugin_Loaded)

  1106 	{

  1107 		if (!RunSecondPass(pl, error, maxlength))

  1108 		{

  1109 			UnloadPlugin(pl);

  1110 			return NULL;

  1111 		}

  1112 		pl->Call_OnAllPluginsLoaded();

  1113 	}

  1115 	return pl;

  1116 }

  1118 void CPluginManager::LoadAutoPlugin(const char *plugin)

  1119 {

  1120 	CPlugin *pl = NULL;

  1121 	LoadRes res;

  1122 	char error[255] = "Unknown error";

  1124 	if ((res=_LoadPlugin(&pl, plugin, false, PluginType_MapUpdated, error, sizeof(error))) == LoadRes_Failure)

  1125 	{

  1126 		g_Logger.LogError("[SM] Failed to load plugin \"%s\": %s", plugin, error);

  1127 		pl->SetErrorState(

  1128 			pl->GetStatus() <= Plugin_Created ? Plugin_BadLoad : pl->GetStatus(),

  1129 			"%s",

  1130 			error);

  1131 	}

  1133 	if (res == LoadRes_Successful || res == LoadRes_Failure || res == LoadRes_SilentFailure)

  1134 	{

  1135 		AddPlugin(pl);

  1136 	}

  1137 }

  1139 void CPluginManager::AddPlugin(CPlugin *pPlugin)

  1140 {

  1141 	List<IPluginsListener *>::iterator iter;

  1142 	IPluginsListener *pListener;

  1144 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1145 	{

  1146 		pListener = (*iter);

  1147 		pListener->OnPluginCreated(pPlugin);

  1148 	}

  1150 	m_plugins.push_back(pPlugin);

  1151 	sm_trie_insert(m_LoadLookup, pPlugin->m_filename, pPlugin);

  1152 }

  1154 void CPluginManager::LoadAll_SecondPass()

  1155 {

  1156 	List<CPlugin *>::iterator iter;

  1157 	CPlugin *pPlugin;

  1159 	char error[256];

  1160 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1161 	{

  1162 		pPlugin = (*iter);

  1163 		if (pPlugin->GetStatus() == Plugin_Loaded)

  1164 		{

  1165 			error[0] = '\0';

  1166 			if (!RunSecondPass(pPlugin, error, sizeof(error)))

  1167 			{

  1168 				g_Logger.LogError("[SM] Unable to load plugin \"%s\": %s", pPlugin->GetFilename(), error);

  1169 				pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1170 			}

  1171 		}

  1172 	}

  1174 	m_AllPluginsLoaded = true;

  1175 }

  1177 bool CPluginManager::FindOrRequirePluginDeps(CPlugin *pPlugin, char *error, size_t maxlength)

  1178 {

  1179 	struct _pl

  1180 	{

  1181 		cell_t name;

  1182 		cell_t file;

  1183 		cell_t required;

  1184 	} *pl;

  1186 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1187 	uint32_t num = pBase->GetPubVarsNum();

  1188 	sp_pubvar_t *pubvar;

  1189 	char *name, *file;

  1190 	char pathfile[PLATFORM_MAX_PATH];

  1192 	for (uint32_t i=0; i<num; i++)

  1193 	{

  1194 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1195 		{

  1196 			continue;

  1197 		}

  1198 		if (strncmp(pubvar->name, "__pl_", 5) == 0)

  1199 		{

  1200 			pl = (_pl *)pubvar->offs;

  1201 			if (pBase->LocalToString(pl->file, &file) != SP_ERROR_NONE)

  1202 			{

  1203 				continue;

  1204 			}

  1205 			if (pBase->LocalToString(pl->name, &name) != SP_ERROR_NONE)

  1206 			{

  1207 				continue;

  1208 			}

  1209 			g_LibSys.GetFileFromPath(pathfile, sizeof(pathfile), pPlugin->GetFilename());

  1210 			if (strcmp(pathfile, file) == 0)

  1211 			{

  1212 				continue;

  1213 			}

  1214 			if (pl->required == false)

  1215 			{

  1216 				IPluginFunction *pFunc;

  1217 				char buffer[64];

  1218 				UTIL_Format(buffer, sizeof(buffer), "__pl_%s_SetNTVOptional", &pubvar->name[5]);

  1219 				if ((pFunc=pBase->GetFunctionByName(buffer)))

  1220 				{

  1221 					cell_t res;

  1222 					pFunc->Execute(&res);

  1223 					if (pPlugin->GetBaseContext()->GetLastNativeError() != SP_ERROR_NONE)

  1224 					{

  1225 						if (error)

  1226 						{

  1227 							UTIL_Format(error, maxlength, "Fatal error during initializing plugin load");

  1228 						}

  1229 						return false;

  1230 					}

  1231 				}

  1232 			}

  1233 			else

  1234 			{

  1235 				/* Check that we aren't registering the same library twice */

  1236 				if (pPlugin->m_RequiredLibs.find(name) == pPlugin->m_RequiredLibs.end())

  1237 				{

  1238 					pPlugin->m_RequiredLibs.push_back(name);

  1239 				}

  1240 				else

  1241 				{

  1242 					continue;

  1243 				}

  1244 				List<CPlugin *>::iterator iter;

  1245 				CPlugin *pl;

  1246 				bool found = false;

  1247 				for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1248 				{

  1249 					pl = (*iter);

  1250 					if (pl->m_Libraries.find(name) != pl->m_Libraries.end())

  1251 					{

  1252 						found = true;

  1253 						break;

  1254 					}

  1255 				}

  1256 				if (!found)

  1257 				{

  1258 					if (error)

  1259 					{

  1260 						UTIL_Format(error, maxlength, "Could not find required plugin \"%s\"", name);

  1261 					}

  1262 					return false;

  1263 				}

  1264 			}

  1265 		}

  1266 	}

  1268 	return true;

  1269 }

  1271 bool CPluginManager::LoadOrRequireExtensions(CPlugin *pPlugin, unsigned int pass, char *error, size_t maxlength)

  1272 {

  1273 	/* Find any extensions this plugin needs */

  1274 	struct _ext

  1275 	{

  1276 		cell_t name;

  1277 		cell_t file;

  1278 		cell_t autoload;

  1279 		cell_t required;

  1280 	} *ext;

  1282 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1283 	uint32_t num = pBase->GetPubVarsNum();

  1284 	sp_pubvar_t *pubvar;

  1285 	IExtension *pExt;

  1286 	char path[PLATFORM_MAX_PATH];

  1287 	char *file, *name;

  1288 	for (uint32_t i=0; i<num; i++)

  1289 	{

  1290 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1291 		{

  1292 			continue;

  1293 		}

  1294 		if (strncmp(pubvar->name, "__ext_", 6) == 0)

  1295 		{

  1296 			ext = (_ext *)pubvar->offs;

  1297 			if (pBase->LocalToString(ext->file, &file) != SP_ERROR_NONE)

  1298 			{

  1299 				continue;

  1300 			}

  1301 			if (pBase->LocalToString(ext->name, &name) != SP_ERROR_NONE)

  1302 			{

  1303 				continue;

  1304 			}

  1305 			if (pass == 1)

  1306 			{

  1307 				/* Attempt to auto-load if necessary */

  1308 				if (ext->autoload)

  1309 				{

  1310 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1311 					g_Extensions.LoadAutoExtension(path);

  1312 				}

  1313 			}

  1314 			else if (pass == 2)

  1315 			{

  1316 				/* Is this required? */

  1317 				if (ext->required)

  1318 				{

  1319 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1320 					if ((pExt = g_Extensions.FindExtensionByFile(path)) == NULL)

  1321 					{

  1322 						pExt = g_Extensions.FindExtensionByName(name);

  1323 					}

  1324 					/* :TODO: should we bind to unloaded extensions?

  1325 					 * Currently the extension manager will ignore this.

  1326 					 */

  1327 					if (!pExt || !pExt->IsRunning(NULL, 0))

  1328 					{

  1329 						if (error)

  1330 						{

  1331 							UTIL_Format(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1332 						}

  1333 						return false;

  1334 					}

  1335 					else

  1336 					{

  1337 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1338 					}

  1339 				}

  1340 				else

  1341 				{

  1342 					IPluginFunction *pFunc;

  1343 					char buffer[64];

  1344 					UTIL_Format(buffer, sizeof(buffer), "__ext_%s_SetNTVOptional", &pubvar->name[6]);

  1346 					if ((pFunc = pBase->GetFunctionByName(buffer)) != NULL)

  1347 					{

  1348 						cell_t res;

  1349 						pFunc->Execute(&res);

  1350 						if (pPlugin->GetBaseContext()->GetLastNativeError() != SP_ERROR_NONE)

  1351 						{

  1352 							if (error)

  1353 							{

  1354 								UTIL_Format(error, maxlength, "Fatal error during plugin initialization (ext req)");

  1355 							}

  1356 							return false;

  1357 						}

  1358 					}

  1359 				}

  1360 			}

  1361 		}

  1362 	}

  1364 	return true;

  1365 }

  1367 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1368 {

  1369 	/* Second pass for extension requirements */

  1370 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1371 	{

  1372 		return false;

  1373 	}

  1375 	if (!FindOrRequirePluginDeps(pPlugin, error, maxlength))

  1376 	{

  1377 		return false;

  1378 	}

  1380 	/* Run another binding pass */

  1381 	g_ShareSys.BindNativesToPlugin(pPlugin, false);

  1383 	/* Find any unbound natives. Right now, these are not allowed. */

  1384 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1385 	uint32_t num = pContext->GetNativesNum();

  1386 	sp_native_t *native;

  1387 	for (unsigned int i=0; i<num; i++)

  1388 	{

  1389 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1390 		{

  1391 			break;

  1392 		}

  1393 		if (native->status == SP_NATIVE_UNBOUND

  1394 			&& native->name[0] != '@'

  1395 			&& !(native->flags & SP_NTVFLAG_OPTIONAL))

  1396 		{

  1397 			if (error)

  1398 			{

  1399 				UTIL_Format(error, maxlength, "Native \"%s\" was not found", native->name);

  1400 			}

  1401 			return false;

  1402 		}

  1403 	}

  1405 	/* Finish by telling all listeners */

  1406 	List<IPluginsListener *>::iterator iter;

  1407 	IPluginsListener *pListener;

  1408 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1409 	{

  1410 		pListener = (*iter);

  1411 		pListener->OnPluginLoaded(pPlugin);

  1412 	}

  1414 	/* Tell this plugin to finish initializing itself */

  1415 	pPlugin->Call_OnPluginStart();

  1417 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1418 	if (pPlugin->GetStatus() <= Plugin_Paused && pPlugin->m_Natives.size())

  1419 	{

  1420 		List<CPlugin *>::iterator pl_iter;

  1421 		CPlugin *pOther;

  1422 		for (pl_iter = m_plugins.begin();

  1423 			 pl_iter != m_plugins.end();

  1424 			 pl_iter++)

  1425 		{

  1426 			pOther = (*pl_iter);

  1427 			if ((pOther->GetStatus() == Plugin_Error

  1428 				&& (pOther->m_FakeNativesMissing || pOther->m_LibraryMissing))

  1429 				|| pOther->m_FakeNativesMissing)

  1430 			{

  1431 				TryRefreshDependencies(pOther);

  1432 			}

  1433 			else if ((pOther->GetStatus() == Plugin_Running

  1434 					  || pOther->GetStatus() == Plugin_Paused)

  1435 					 && pOther != pPlugin)

  1436 			{

  1437 				List<NativeEntry *>::iterator nv_iter;

  1438 				for (nv_iter = pPlugin->m_Natives.begin();

  1439 					 nv_iter != pPlugin->m_Natives.end();

  1440 					 nv_iter++)

  1441 				{

  1442 					g_ShareSys.BindNativeToPlugin(pOther, (*nv_iter));

  1443 				}

  1444 			}

  1445 		}

  1446 	}

  1448 	/* Go through our libraries and tell other plugins they're added */

  1449 	List<String>::iterator s_iter;

  1450 	for (s_iter = pPlugin->m_Libraries.begin();

  1451 		s_iter != pPlugin->m_Libraries.end();

  1452 		s_iter++)

  1453 	{

  1454 		OnLibraryAction((*s_iter).c_str(), true, false);

  1455 	}

  1457 	/* :TODO: optimize? does this even matter? */

  1458 	pPlugin->GetPhrases()->AddPhraseFile("core.phrases");

  1460 	return true;

  1461 }

  1463 void CPluginManager::TryRefreshDependencies(CPlugin *pPlugin)

  1464 {

  1465 	assert(pPlugin->GetBaseContext() != NULL);

  1467 	g_ShareSys.BindNativesToPlugin(pPlugin, false);

  1469 	List<String>::iterator lib_iter;

  1470 	List<String>::iterator req_iter;

  1471 	List<CPlugin *>::iterator pl_iter;

  1472 	CPlugin *pl;

  1473 	for (req_iter=pPlugin->m_RequiredLibs.begin(); req_iter!=pPlugin->m_RequiredLibs.end(); req_iter++)

  1474 	{

  1475 		bool found = false;

  1476 		for (pl_iter=m_plugins.begin(); pl_iter!=m_plugins.end(); pl_iter++)

  1477 		{

  1478 			pl = (*pl_iter);

  1479 			for (lib_iter=pl->m_Libraries.begin(); lib_iter!=pl->m_Libraries.end(); lib_iter++)

  1480 			{

  1481 				if ((*req_iter) == (*lib_iter))

  1482 				{

  1483 					found = true;

  1484 				}

  1485 			}

  1486 		}

  1487 		if (!found)

  1488 		{

  1489 			pPlugin->SetErrorState(Plugin_Error, "Library not found: %s", (*req_iter).c_str());

  1490 			return;

  1491 		}

  1492 	}

  1494 	/* Find any unbound natives

  1495 	 * Right now, these are not allowed

  1496 	 */

  1497 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1498 	uint32_t num = pContext->GetNativesNum();

  1499 	sp_native_t *native;

  1500 	for (unsigned int i=0; i<num; i++)

  1501 	{

  1502 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1503 		{

  1504 			break;

  1505 		}

  1506 		if (native->status == SP_NATIVE_UNBOUND && !(native->flags & SP_NTVFLAG_OPTIONAL))

  1507 		{

  1508 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1509 			return;

  1510 		}

  1511 	}

  1513 	if (pPlugin->GetStatus() == Plugin_Error)

  1514 	{

  1515 		/* If we got here, all natives are okay again! */

  1516 		pPlugin->m_status = Plugin_Running;

  1517 		if (pPlugin->m_pRuntime->IsPaused())

  1518 		{

  1519 			pPlugin->m_pRuntime->SetPauseState(false);

  1520 			_SetPauseState(pPlugin, false);

  1521 		}

  1522 	}

  1523 }

  1525 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1526 {

  1527 	CPlugin *pPlugin = (CPlugin *)plugin;

  1529 	/* This prevents removal during insertion or anything else weird */

  1530 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1531 	{

  1532 		return false;

  1533 	}

  1535 	IPluginContext *pContext = plugin->GetBaseContext();

  1536 	if (pContext != NULL && pContext->IsInExec())

  1537 	{

  1538 		char buffer[255];

  1539 		UTIL_Format(buffer, sizeof(buffer), "sm plugins unload %s\n", plugin->GetFilename());

  1540 		engine->ServerCommand(buffer);

  1541 		return false;

  1542 	}

  1544 	/* Remove us from the lookup table and linked list */

  1545 	m_plugins.remove(pPlugin);

  1546 	sm_trie_delete(m_LoadLookup, pPlugin->m_filename);

  1548 	/* Go through our libraries and tell other plugins they're gone */

  1549 	List<String>::iterator s_iter;

  1550 	for (s_iter = pPlugin->m_Libraries.begin();

  1551 		 s_iter != pPlugin->m_Libraries.end();

  1552 		 s_iter++)

  1553 	{

  1554 		OnLibraryAction((*s_iter).c_str(), true, true);

  1555 	}

  1557 	List<IPluginsListener *>::iterator iter;

  1558 	IPluginsListener *pListener;

  1560 	if (pPlugin->GetStatus() <= Plugin_Error)

  1561 	{

  1562 		/* Notify listeners of unloading */

  1563 		for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1564 		{

  1565 			pListener = (*iter);

  1566 			pListener->OnPluginUnloaded(pPlugin);

  1567 		}

  1568 		/* Notify plugin */

  1569 		pPlugin->Call_OnPluginEnd();

  1570 	}

  1572 	pPlugin->DropEverything();

  1574 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1575 	{

  1576 		/* Notify listeners of destruction */

  1577 		pListener = (*iter);

  1578 		pListener->OnPluginDestroyed(pPlugin);

  1579 	}

  1581 	/* Tell the plugin to delete itself */

  1582 	delete pPlugin;

  1584 	return true;

  1585 }

  1587 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1588 {

  1589 	IPlugin *pPlugin;

  1590 	IPluginContext *pContext;

  1592 	pContext = reinterpret_cast<IPluginContext *>(const_cast<sp_context_t *>(ctx));

  1594 	if (pContext->GetKey(2, (void **)&pPlugin))

  1595 	{

  1596 		return pPlugin;

  1597 	}

  1599 	return NULL;

  1600 }

  1602 CPlugin *CPluginManager::GetPluginByCtx(const sp_context_t *ctx)

  1603 {

  1604 	return (CPlugin *)FindPluginByContext(ctx);

  1605 }

  1607 unsigned int CPluginManager::GetPluginCount()

  1608 {

  1609 	return m_plugins.size();

  1610 }

  1612 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1613 {

  1614 	m_listeners.push_back(listener);

  1615 }

  1617 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1618 {

  1619 	m_listeners.remove(listener);

  1620 }

  1622 IPluginIterator *CPluginManager::GetPluginIterator()

  1623 {

  1624 	if (m_iters.empty())

  1625 	{

  1626 		return new CPluginIterator(&m_plugins);

  1627 	} else {

  1628 		CPluginIterator *iter = m_iters.front();

  1629 		m_iters.pop();

  1630 		iter->Reset();

  1631 		return iter;

  1632 	}

  1633 }

  1635 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1636 {

  1637 	m_iters.push(iter);

  1638 }

  1640 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1641 {

  1642 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1643 	size_t alias_len = 0;

  1644 	size_t local_len = 0;

  1646 	const char *ptr = alias;

  1647 	unsigned int alias_explicit_paths = 0;

  1648 	unsigned int alias_path_end = 0;

  1649 	while (*ptr != '\0')

  1650 	{

  1651 		if (*ptr == '\\' || *ptr == '/')

  1652 		{

  1653 			alias_explicit_paths++;

  1654 			alias_path_end = alias_len;

  1655 		}

  1656 		alias_len++;

  1657 		ptr++;

  1658 	}

  1660 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1661 	{

  1662 		/* Trailing slash is totally invalid here */

  1663 		return false;

  1664 	}

  1666 	ptr = localpath;

  1667 	unsigned int local_explicit_paths = 0;

  1668 	unsigned int local_path_end = 0;

  1669 	while (*ptr != '\0')

  1670 	{

  1671 		if (*ptr == '\\' || *ptr == '/')

  1672 		{

  1673 			local_explicit_paths++;

  1674 			local_path_end = local_len;

  1675 		}

  1676 		local_len++;

  1677 		ptr++;

  1678 	}

  1680 	/* If the alias has more explicit paths than the real path,

  1681 	 * no match will be possible.

  1682 	 */

  1683 	if (alias_explicit_paths > local_explicit_paths)

  1684 	{

  1685 		return false;

  1686 	}

  1688 	if (alias_explicit_paths)

  1689 	{

  1690 		/* We need to find if the paths match now.  For example, these should all match:

  1691 		 * csdm     csdm

  1692 		 * csdm     optional/csdm

  1693 		 * csdm/ban optional/crab/csdm/ban

  1694 		*/

  1695 		const char *aliasptr = alias;

  1696 		const char *localptr = localpath;

  1697 		bool match = true;

  1698 		do

  1699 		{

  1700 			if (*aliasptr != *localptr)

  1701 			{

  1702 				/* We have to knock one path off */

  1703 				local_explicit_paths--;

  1704 				if (alias_explicit_paths > local_explicit_paths)

  1705 				{

  1706 					/* Skip out if we're gonna have an impossible match */

  1707 					return false;

  1708 				}

  1709 				/* Eat up localptr tokens until we get a result */

  1710 				while (((localptr - localpath) < (int)local_path_end)

  1711 					&& *localptr != '/'

  1712 					&& *localptr != '\\')

  1713 				{

  1714 					localptr++;

  1715 				}

  1716 				/* Check if we hit the end of our searchable area.

  1717 				 * This probably isn't possible because of the path

  1718 				 * count check, but it's a good idea anyway.

  1719 				 */

  1720 				if ((localptr - localpath) >= (int)local_path_end)

  1721 				{

  1722 					return false;

  1723 				} else {

  1724 					/* Consume the slash token */

  1725 					localptr++;

  1726 				}

  1727 				/* Reset the alias pointer so we can continue consuming */

  1728 				aliasptr = alias;

  1729 				match = false;

  1730 				continue;

  1731 			}

  1732 			/* Note:

  1733 			 * This is safe because if localptr terminates early, aliasptr will too

  1734 			 */

  1735 			do

  1736 			{

  1737 				/* We should never reach the end of the string because of this check. */

  1738 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1739 				bool localend = (localptr - localpath) > (int)local_path_end;

  1740 				if (aliasend || localend)

  1741 				{

  1742 					if (aliasend && localend)

  1743 					{

  1744 						/* we matched, and we can break out now */

  1745 						match = true;

  1746 						break;

  1747 					}

  1748 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1749 					match = false;

  1750 					break;

  1751 				}

  1753 				/* If we got here, it's safe to compare the next two tokens */

  1754 				if (*localptr != *aliasptr)

  1755 				{

  1756 					match = false;

  1757 					break;

  1758 				}

  1759 				localptr++;

  1760 				aliasptr++;

  1761 			} while (true);

  1762 		} while (!match);

  1763 	}

  1765 	/* If we got here, it's time to compare filenames */

  1766 	const char *aliasptr = alias;

  1767 	const char *localptr = localpath;

  1769 	if (alias_explicit_paths)

  1770 	{

  1771 		aliasptr = &alias[alias_path_end + 1];

  1772 	}

  1774 	if (local_explicit_paths)

  1775 	{

  1776 		localptr = &localpath[local_path_end + 1];

  1777 	}

  1779 	while (true)

  1780 	{

  1781 		if (*aliasptr == '*')

  1782 		{

  1783 			/* First, see if this is the last character */

  1784 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1785 			{

  1786 				/* If so, there's no need to match anything else */

  1787 				return true;

  1788 			}

  1789 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1790 			 * Note that we only need to search up to the next asterisk.

  1791 			 */

  1792 			aliasptr++;

  1793 			bool match = true;

  1794 			const char *local_orig = localptr;

  1795 			do

  1796 			{

  1797 				match = true;

  1798 				while (*aliasptr != '\0' && *aliasptr != '*')

  1799 				{

  1800 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1801 					if (*aliasptr != *localptr)

  1802 					{

  1803 						match = false;

  1804 						break;

  1805 					}

  1806 					aliasptr++;

  1807 					localptr++;

  1808 				}

  1809 				if (!match)

  1810 				{

  1811 					/* If we didn't get a match, we need to advance the search stream.

  1812 					 * This will let us skip tokens while still searching for another match.

  1813 					 */

  1814 					localptr = ++local_orig;

  1815 					/* Make sure we don't go out of bounds */

  1816 					if (*localptr == '\0')

  1817 					{

  1818 						break;

  1819 					}

  1820 				}

  1821 			} while (!match);

  1823 			if (!match)

  1824 			{

  1825 				return false;

  1826 			} else {

  1827 				/* If we got a match, move on to the next token */

  1828 				continue;

  1829 			}

  1830 		} else if (*aliasptr == '\0') {

  1831 			if (*localptr == '\0'

  1832 				||

  1833 				strcmp(localptr, ".smx") == 0)

  1834 			{

  1835 				return true;

  1836 			} else {

  1837 				return false;

  1838 			}

  1839 		} else if (*aliasptr != *localptr) {

  1840 			return false;

  1841 		}

  1842 		aliasptr++;

  1843 		localptr++;

  1844 	}

  1846 	return true;

  1847 }

  1849 bool CPluginManager::IsLateLoadTime() const

  1850 {

  1851 	return (m_AllPluginsLoaded || !g_SourceMod.IsMapLoading());

  1852 }

  1854 void CPluginManager::OnSourceModAllInitialized()

  1855 {

  1856 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1858 	HandleAccess sec;

  1859 	g_HandleSys.InitAccessDefaults(NULL, &sec);

  1861 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1862 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1864 	g_PluginType = g_HandleSys.CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1865 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1867 	g_RootMenu.AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1869 	g_ShareSys.AddInterface(NULL, this);

  1870 }

  1872 void CPluginManager::OnSourceModShutdown()

  1873 {

  1874 	g_RootMenu.RemoveRootConsoleCommand("plugins", this);

  1876 	UnloadAll();

  1878 	g_HandleSys.RemoveType(g_PluginType, m_MyIdent);

  1879 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1880 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1881 }

  1883 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1884 {

  1885 	/* We don't care about the internal object, actually */

  1886 }

  1888 bool CPluginManager::GetHandleApproxSize(HandleType_t type, void *object, unsigned int *pSize)

  1889 {

  1890 	*pSize = ((CPlugin *)object)->CalcMemUsage();

  1891 	return true;

  1892 }

  1894 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1895 {

  1896 	IPlugin *pPlugin;

  1897 	HandleError _err;

  1899 	HandleSecurity sec;

  1901 	sec.pOwner = NULL;

  1902 	sec.pIdentity = m_MyIdent;

  1904 	if ((_err=g_HandleSys.ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1905 	{

  1906 		pPlugin = NULL;

  1907 	}

  1909 	if (err)

  1910 	{

  1911 		*err = _err;

  1912 	}

  1914 	return pPlugin;

  1915 }

  1917 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1918 {

  1919 	if (num < 1 || num > (int)GetPluginCount())

  1920 	{

  1921 		return NULL;

  1922 	}

  1924 	CPlugin *pl;

  1925 	int id = 1;

  1927 	SourceHook::List<CPlugin *>::iterator iter;

  1928 	for (iter = m_plugins.begin(); iter != m_plugins.end() && id < num; iter++, id++) {}

  1930 	pl = *iter;

  1932 	return pl;

  1933 }

  1935 const char *CPluginManager::GetStatusText(PluginStatus st)

  1936 {

  1937 	switch (st)

  1938 	{

  1939 	case Plugin_Running:

  1940 		return "Running";

  1941 	case Plugin_Paused:

  1942 		return "Paused";

  1943 	case Plugin_Error:

  1944 		return "Error";

  1945 	case Plugin_Uncompiled:

  1946 		return "Uncompiled";

  1947 	case Plugin_BadLoad:

  1948 		return "Bad Load";

  1949 	case Plugin_Failed:

  1950 		return "Failed";

  1951 	default:

  1952 		assert(false);

  1953 		return "-";

  1954 	}

  1955 }

  1957 void CPluginManager::OnRootConsoleCommand(const char *cmdname, const CCommand &command)

  1958 {

  1959 	int argcount = command.ArgC();

  1960 	if (argcount >= 3)

  1961 	{

  1962 		const char *cmd = command.Arg(2);

  1963 		if (strcmp(cmd, "list") == 0)

  1964 		{

  1965 			char buffer[256];

  1966 			unsigned int id = 1;

  1967 			int plnum = GetPluginCount();

  1969 			if (!plnum)

  1970 			{

  1971 				g_RootMenu.ConsolePrint("[SM] No plugins loaded");

  1972 				return;

  1973 			}

  1974 			else

  1975 			{

  1976 				g_RootMenu.ConsolePrint("[SM] Listing %d plugin%s:", GetPluginCount(), (plnum > 1) ? "s" : "");

  1977 			}

  1979 			CPlugin *pl;

  1980 			SourceHook::List<CPlugin *>::iterator iter;

  1981 			SourceHook::List<CPlugin *> m_FailList;

  1983 			for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++, id++)

  1984 			{

  1985 				pl = (*iter);

  1986 				assert(pl->GetStatus() != Plugin_Created);

  1987 				int len = 0;

  1988 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1989 				if (pl->GetStatus() != Plugin_Running && !pl->IsSilentlyFailed())

  1990 				{

  1991 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1993 					if (pl->GetStatus() <= Plugin_Error)

  1994 					{

  1995 						/* Plugin has failed to load. */

  1996 						m_FailList.push_back(pl);

  1997 					}

  1998 				}

  1999 				else

  2000 				{

  2001 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d", id);

  2002 				}

  2003 				if (pl->GetStatus() < Plugin_Created)

  2004 				{

  2005 					if (pl->IsSilentlyFailed())

  2006 						len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " Disabled:");

  2007 					len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2008 					if (IS_STR_FILLED(info->version))

  2009 					{

  2010 						len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  2011 					}

  2012 					if (IS_STR_FILLED(info->author))

  2013 					{

  2014 						UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  2015 					}

  2016 				}

  2017 				else

  2018 				{

  2019 					UTIL_Format(&buffer[len], sizeof(buffer)-len, " %s", pl->m_filename);

  2020 				}

  2021 				g_RootMenu.ConsolePrint("%s", buffer);

  2022 			}

  2024 			if (!m_FailList.empty())

  2025 			{

  2026 				g_RootMenu.ConsolePrint("Load Errors:");

  2028 				SourceHook::List<CPlugin *>::iterator _iter;

  2030 				CPlugin *pl;

  2032 				for (_iter=m_FailList.begin(); _iter!=m_FailList.end(); _iter++)

  2033 				{

  2034 					pl = (CPlugin *)*_iter;

  2035 					g_RootMenu.ConsolePrint("%s: %s",(IS_STR_FILLED(pl->GetPublicInfo()->name)) ? pl->GetPublicInfo()->name : pl->GetFilename(), pl->m_errormsg);

  2036 				}

  2037 			}

  2039 			return;

  2040 		}

  2041 		else if (strcmp(cmd, "load") == 0)

  2042 		{

  2043 			if (argcount < 4)

  2044 			{

  2045 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins load <file>");

  2046 				return;

  2047 			}

  2049 			char error[128];

  2050 			bool wasloaded;

  2051 			const char *filename = command.Arg(3);

  2053 			char pluginfile[256];

  2054 			const char *ext = g_LibSys.GetFileExtension(filename) ? "" : ".smx";

  2055 			g_SourceMod.BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", filename, ext);

  2057 			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  2059 			if (wasloaded)

  2060 			{

  2061 				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);

  2062 				return;

  2063 			}

  2065 			if (pl)

  2066 			{

  2067 				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);

  2068 			}

  2069 			else

  2070 			{

  2071 				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);

  2072 			}

  2074 			return;

  2075 		}

  2076 		else if (strcmp(cmd, "unload") == 0)

  2077 		{

  2078 			if (argcount < 4)

  2079 			{

  2080 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins unload <#|file>");

  2081 				return;

  2082 			}

  2084 			CPlugin *pl;

  2085 			char *end;

  2086 			const char *arg = command.Arg(3);

  2087 			int id = strtol(arg, &end, 10);

  2089 			if (*end == '\0')

  2090 			{

  2091 				pl = GetPluginByOrder(id);

  2092 				if (!pl)

  2093 				{

  2094 					g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", id);

  2095 					return;

  2096 				}

  2097 			}

  2098 			else

  2099 			{

  2100 				char pluginfile[256];

  2101 				const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2102 				g_SourceMod.BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2104 				if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2105 				{

  2106 					g_RootMenu.ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2107 					return;

  2108 				}

  2109 			}

  2111 			char name[PLATFORM_MAX_PATH];

  2113 			if (pl->GetStatus() < Plugin_Created)

  2114 			{

  2115 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  2116 				UTIL_Format(name, sizeof(name), (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2117 			}

  2118 			else

  2119 			{

  2120 				UTIL_Format(name, sizeof(name), "%s", pl->GetFilename());

  2121 			}

  2123 			if (UnloadPlugin(pl))

  2124 			{

  2125 				g_RootMenu.ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  2126 			}

  2127 			else

  2128 			{

  2129 				g_RootMenu.ConsolePrint("[SM] Failed to unload plugin %s.", name);

  2130 			}

  2132 			return;

  2133 		}

  2134 		else if (strcmp(cmd, "unload_all") == 0)

  2135 		{

  2136 			g_PluginSys.UnloadAll();

  2137 			g_RootMenu.ConsolePrint("[SM] All plugins have been unloaded.");

  2138 			return;

  2139 		}

  2140 		else if (strcmp(cmd, "load_lock") == 0)

  2141 		{

  2142 			if (m_LoadingLocked)

  2143 			{

  2144 				g_RootMenu.ConsolePrint("[SM] There is already a loading lock in effect.");

  2145 			}

  2146 			else

  2147 			{

  2148 				m_LoadingLocked = true;

  2149 				g_RootMenu.ConsolePrint("[SM] Loading is now locked; no plugins will be loaded or re-loaded.");

  2150 			}

  2151 			return;

  2152 		}

  2153 		else if (strcmp(cmd, "load_unlock") == 0)

  2154 		{

  2155 			if (m_LoadingLocked)

  2156 			{

  2157 				m_LoadingLocked = false;

  2158 				g_RootMenu.ConsolePrint("[SM] The loading lock is no longer in effect.");

  2159 			}

  2160 			else

  2161 			{

  2162 				g_RootMenu.ConsolePrint("[SM] There was no loading lock in effect.");

  2163 			}

  2164 			return;

  2165 		}

  2166 		else if (strcmp(cmd, "info") == 0)

  2167 		{

  2168 			if (argcount < 4)

  2169 			{

  2170 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins info <#>");

  2171 				return;

  2172 			}

  2174 			CPlugin *pl;

  2175 			char *end;

  2176 			const char *arg = command.Arg(3);

  2177 			int id = strtol(arg, &end, 10);

  2179 			if (*end == '\0')

  2180 			{

  2181 				pl = GetPluginByOrder(id);

  2182 				if (!pl)

  2183 				{

  2184 					g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", id);

  2185 					return;

  2186 				}

  2187 			}

  2188 			else

  2189 			{

  2190 				char pluginfile[256];

  2191 				const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2192 				g_SourceMod.BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2194 				if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2195 				{

  2196 					g_RootMenu.ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2197 					return;

  2198 				}

  2199 			}

  2201 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2203 			g_RootMenu.ConsolePrint("  Filename: %s", pl->GetFilename());

  2204 			if (pl->GetStatus() <= Plugin_Error)

  2205 			{

  2206 				if (IS_STR_FILLED(info->name))

  2207 				{

  2208 					if (IS_STR_FILLED(info->description))

  2209 					{

  2210 						g_RootMenu.ConsolePrint("  Title: %s (%s)", info->name, info->description);

  2211 					} else {

  2212 						g_RootMenu.ConsolePrint("  Title: %s", info->name);

  2213 					}

  2214 				}

  2215 				if (IS_STR_FILLED(info->author))

  2216 				{

  2217 					g_RootMenu.ConsolePrint("  Author: %s", info->author);

  2218 				}

  2219 				if (IS_STR_FILLED(info->version))

  2220 				{

  2221 					g_RootMenu.ConsolePrint("  Version: %s", info->version);

  2222 				}

  2223 				if (IS_STR_FILLED(info->url))

  2224 				{

  2225 					g_RootMenu.ConsolePrint("  URL: %s", info->url);

  2226 				}

  2227 				if (pl->GetStatus() == Plugin_Error)

  2228 				{

  2229 					g_RootMenu.ConsolePrint("  Error: %s", pl->m_errormsg);

  2230 				}

  2231 				else

  2232 				{

  2233 					if (pl->GetStatus() == Plugin_Running)

  2234 					{

  2235 						g_RootMenu.ConsolePrint("  Status: running");

  2236 					}

  2237 					else

  2238 					{

  2239 						g_RootMenu.ConsolePrint("  Status: not running");

  2240 					}

  2242 					const char *typestr = "";

  2243 					switch (pl->GetType())

  2244 					{

  2245 					case PluginType_MapUpdated:

  2246 						typestr = "Map Change if Updated";

  2247 						break;

  2248 					case PluginType_MapOnly:

  2249 						typestr = "Map Change";

  2250 						break;

  2251 					case PluginType_Private:

  2252 					case PluginType_Global:

  2253 						typestr = "Never";

  2254 						break;

  2255 					}

  2257 					g_RootMenu.ConsolePrint("  Reloads: %s", typestr);

  2258 				}

  2259 				if (pl->m_FileVersion >= 3)

  2260 				{

  2261 					g_RootMenu.ConsolePrint("  Timestamp: %s", pl->m_DateTime);

  2262 				}

  2263 			}

  2264 			else

  2265 			{

  2266 				g_RootMenu.ConsolePrint("  Load error: %s", pl->m_errormsg);

  2267 				if (pl->GetStatus() < Plugin_Created)

  2268 				{

  2269 					g_RootMenu.ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  2270 											info->name ? info->name : "<none>",

  2271 											info->version ? info->version : "<none>");

  2272 					if (IS_STR_FILLED(info->url))

  2273 					{

  2274 						g_RootMenu.ConsolePrint("  File URL: %s", info->url);

  2275 					}

  2276 				}

  2277 			}

  2279 			return;

  2280 		}

  2281 		else if (strcmp(cmd, "refresh") == 0)

  2282 		{

  2283 			g_SourceMod.DoGlobalPluginLoads();

  2284 			g_RootMenu.ConsolePrint("[SM] The plugin list has been refreshed and reloaded.");

  2285 			return;

  2286 		}

  2287 		else if (strcmp(cmd, "reload") == 0)

  2288 		{

  2289 			if (argcount < 4)

  2290 			{

  2291 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins reload <#|file>");

  2292 				return;

  2293 			}

  2295 			CPlugin *pl;

  2296 			char *end;

  2297 			const char *arg = command.Arg(3);

  2298 			int id = strtol(arg, &end, 10);

  2300 			if (*end == '\0')

  2301 			{

  2302 				pl = GetPluginByOrder(id);

  2303 				if (!pl)

  2304 				{

  2305 					g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", id);

  2306 					return;

  2307 				}

  2308 			}

  2309 			else

  2310 			{

  2311 				char pluginfile[256];

  2312 				const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2313 				g_SourceMod.BuildPath(Path_None, pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2315 				if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2316 				{

  2317 					g_RootMenu.ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2318 					return;

  2319 				}

  2320 			}

  2322 			char name[PLATFORM_MAX_PATH];

  2323 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2324 			if (pl->GetStatus() <= Plugin_Paused)

  2325 				strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2326 			else

  2327 				strcpy(name, pl->GetFilename());

  2329 			if (ReloadPlugin(pl))

  2330 			{

  2331 				g_RootMenu.ConsolePrint("[SM] Plugin %s reloaded successfully.", name);

  2332 			}

  2333 			else

  2334 			{

  2335 				g_RootMenu.ConsolePrint("[SM] Failed to reload plugin %s.", name);

  2336 			}

  2338 			return;

  2339 		}

  2340 	}

  2342 	/* Draw the main menu */

  2343 	g_RootMenu.ConsolePrint("SourceMod Plugins Menu:");

  2344 	g_RootMenu.DrawGenericOption("info", "Information about a plugin");

  2345 	g_RootMenu.DrawGenericOption("list", "Show loaded plugins");

  2346 	g_RootMenu.DrawGenericOption("load", "Load a plugin");

  2347 	g_RootMenu.DrawGenericOption("load_lock", "Prevents any more plugins from being loaded");

  2348 	g_RootMenu.DrawGenericOption("load_unlock", "Re-enables plugin loading");

  2349 	g_RootMenu.DrawGenericOption("refresh", "Reloads/refreshes all plugins in the plugins folder");

  2350 	g_RootMenu.DrawGenericOption("reload", "Reloads a plugin");

  2351 	g_RootMenu.DrawGenericOption("unload", "Unload a plugin");

  2352 	g_RootMenu.DrawGenericOption("unload_all", "Unloads all plugins");

  2353 }

  2355 bool CPluginManager::ReloadPlugin(CPlugin *pl)

  2356 {

  2357 	List<CPlugin *>::iterator iter;

  2358 	char filename[PLATFORM_MAX_PATH];

  2359 	bool wasloaded;

  2360 	PluginType ptype;

  2361 	IPlugin *newpl;

  2362 	int id = 1;

  2364 	strcpy(filename, pl->m_filename);

  2365 	ptype = pl->GetType();

  2367 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++, id++)

  2368 	{

  2369 		if ((*iter) == pl)

  2370 		{

  2371 			break;

  2372 		}

  2373 	}

  2375 	if (!UnloadPlugin(pl))

  2376 	{

  2377 		return false;

  2378 	}

  2379 	if (!(newpl=LoadPlugin(filename, true, ptype, NULL, 0, &wasloaded)))

  2380 	{

  2381 		return false;

  2382 	}

  2384 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2385 	{

  2386 		if ((*iter) == (CPlugin *)newpl)

  2387 		{

  2388 			m_plugins.erase(iter);

  2389 			break;

  2390 		}

  2391 	}

  2393 	int i;

  2394 	for (i=1, iter=m_plugins.begin(); iter!=m_plugins.end() && i<id; iter++, i++)

  2395 	{

  2396 	}

  2397 	m_plugins.insert(iter, (CPlugin *)newpl);

  2399 	return true;

  2400 }

  2402 void CPluginManager::ReloadOrUnloadPlugins()

  2403 {

  2404 	/* If we're in a load lock, just skip this whole bit. */

  2405 	if (m_LoadingLocked)

  2406 	{

  2407 		return;

  2408 	}

  2410 	List<CPlugin *>::iterator iter;

  2411 	List<CPlugin *> tmp_list = m_plugins;

  2412 	CPlugin *pl;

  2413 	time_t t;

  2415 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  2416 	{

  2417 		pl = (*iter);

  2418 		if (pl->GetType() ==  PluginType_MapOnly)

  2419 		{

  2420 			UnloadPlugin((IPlugin *)pl);

  2421 		}

  2422 		else if (pl->GetType() == PluginType_MapUpdated)

  2423 		{

  2424 			t = pl->GetFileTimeStamp();

  2425 			if (!t || t > pl->GetTimeStamp())

  2426 			{

  2427 				pl->SetTimeStamp(t);

  2428 				UnloadPlugin((IPlugin *)pl);

  2429 			}

  2430 		}

  2431 	}

  2432 }

  2434 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  2435 {

  2436 	List<IPluginsListener *>::iterator iter;

  2437 	IPluginsListener *pListener;

  2438 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  2439 	{

  2440 		pListener = (*iter);

  2441 		pListener->OnPluginPauseChange(pl, paused);

  2442 	}

  2443 }

  2445 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  2446 {

  2447 	List<CPlugin *>::iterator iter;

  2448 	CPlugin *pPlugin;

  2449 	IPluginFunction *pFunction;

  2451 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2452 	{

  2453 		pPlugin = (*iter);

  2455 		if (pPlugin->GetStatus() <= Plugin_Paused)

  2456 		{

  2457 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  2459 			if (pFunction)

  2460 			{

  2461 				pForward->AddFunction(pFunction);

  2462 			}

  2463 		}

  2464 	}

  2465 }

  2467 CPlugin *CPluginManager::GetPluginFromIdentity(IdentityToken_t *pToken)

  2468 {

  2469 	if (pToken->type != g_PluginIdent)

  2470 	{

  2471 		return NULL;

  2472 	}

  2474 	return (CPlugin *)(pToken->ptr);

  2475 }

  2477 void CPluginManager::OnLibraryAction(const char *lib, bool is_a_plugin, bool drop)

  2478 {

  2479 	List<CPlugin *>::iterator iter;

  2481 	struct _pl

  2482 	{

  2483 		cell_t name;

  2484 		cell_t file;

  2485 		cell_t required;

  2486 	} *plc;

  2488 	struct _ext

  2489 	{

  2490 		cell_t name;

  2491 		cell_t file;

  2492 		cell_t autoload;

  2493 		cell_t required;

  2494 	} *ext;

  2496 	const char *name = drop ? "OnLibraryRemoved" : "OnLibraryAdded";

  2498 	for (iter=m_plugins.begin();

  2499 		 iter!=m_plugins.end();

  2500 		 iter++)

  2501 	{

  2502 		CPlugin *pl = (*iter);

  2503 		if (pl->GetStatus() != Plugin_Running)

  2504 		{

  2505 			continue;

  2506 		}

  2507 		IPluginContext *pContext = pl->GetBaseContext();

  2508 		IPluginFunction *pf = pContext->GetFunctionByName(name);

  2509 		if (!pf)

  2510 		{

  2511 			continue;

  2512 		}

  2513 		uint32_t num_vars = pContext->GetPubVarsNum();

  2514 		for (uint32_t i=0; i<num_vars; i++)

  2515 		{

  2516 			sp_pubvar_t *pubvar;

  2517 			if (pContext->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  2518 			{

  2519 				continue;

  2520 			}

  2521 			if (is_a_plugin && strncmp(pubvar->name, "__pl_", 5) == 0)

  2522 			{

  2523 				plc = (_pl *)pubvar->offs;

  2524 				if (plc->required)

  2525 				{

  2526 					continue;

  2527 				}

  2528 				char *str;

  2529 				pContext->LocalToString(plc->name, &str);

  2530 				if (strcmp(str, lib) != 0)

  2531 				{

  2532 					continue;

  2533 				}

  2534 				pf->PushString(lib);

  2535 				pf->Execute(NULL);

  2536 			}

  2537 			else if (!is_a_plugin && strncmp(pubvar->name, "__ext_", 6) == 0)

  2538 			{

  2539 				ext = (_ext *)pubvar->offs;

  2540 				if (ext->required)

  2541 				{

  2542 					continue;

  2543 				}

  2544 				char *str;

  2545 				pContext->LocalToString(ext->name, &str);

  2546 				if (strcmp(str, lib) != 0)

  2547 				{

  2548 					continue;

  2549 				}

  2550 				pf->PushString(lib);

  2551 				pf->Execute(NULL);

  2552 			}

  2553 		}

  2554 	}

  2555 }

  2557 bool CPluginManager::LibraryExists(const char *lib)

  2558 {

  2559 	List<CPlugin *>::iterator iter;

  2561 	for (iter=m_plugins.begin();

  2562 		 iter!=m_plugins.end();

  2563 		 iter++)

  2564 	{

  2565 		CPlugin *pl = (*iter);

  2566 		if (pl->GetStatus() != Plugin_Running)

  2567 		{

  2568 			continue;

  2569 		}

  2570 		List<String>::iterator s_iter;

  2571 		for (s_iter = pl->m_Libraries.begin();

  2572 			 s_iter != pl->m_Libraries.end();

  2573 			 s_iter++)

  2574 		{

  2575 			if ((*s_iter).compare(lib) == 0)

  2576 			{

  2577 				return true;

  2578 			}

  2579 		}

  2580 	}

  2582 	return false;

  2583 }

  2585 void CPluginManager::AllPluginsLoaded()

  2586 {

  2587 	List<CPlugin *>::iterator iter;

  2588 	CPlugin *pl;

  2590 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2591 	{

  2592 		pl = (*iter);

  2593 		pl->Call_OnAllPluginsLoaded();

  2594 	}

  2595 }

  2597 void CPluginManager::UnloadAll()

  2598 {

  2599 	List<CPlugin *>::iterator iter;

  2600 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  2601 	{

  2602 		UnloadPlugin((*iter));

  2603 	}

  2604 }

  2606 int CPluginManager::GetOrderOfPlugin(IPlugin *pl)

  2607 {

  2608 	int id = 1;

  2609 	List<CPlugin *>::iterator iter;

  2611 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++, id++)

  2612 	{

  2613 		if ((*iter) == pl)

  2614 		{

  2615 			return id;

  2616 		}

  2617 	}

  2619 	return -1;

  2620 }

  2622 CPlugin *CPluginManager::FindPluginByConsoleArg(const char *arg)

  2623 {

  2624 	int id;

  2625 	char *end;

  2626 	CPlugin *pl;

  2628 	id = strtol(arg, &end, 10);

  2630 	if (*end == '\0')

  2631 	{

  2632 		pl = GetPluginByOrder(id);

  2633 		if (!pl)

  2634 		{

  2635 			return NULL;

  2636 		}

  2637 	}

  2638 	else

  2639 	{

  2640 		char pluginfile[256];

  2641 		const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2642 		UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2644 		if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2645 		{

  2646 			return NULL;

  2647 		}

  2648 	}

  2650 	return pl;

  2651 }

  2653 void CPluginManager::OnSourceModMaxPlayersChanged(int newvalue)

  2654 {

  2655 	SyncMaxClients(newvalue);

  2656 }

  2658 void CPluginManager::SyncMaxClients(int max_clients)

  2659 {

  2660 	List<CPlugin *>::iterator iter;

  2662 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2663 	{

  2664 		(*iter)->SyncMaxClients(max_clients);

  2665 	}

  2666 }

  2668 void CPluginManager::ListPluginsToClient(CPlayer *player, const CCommand &args)

  2669 {

  2670 	char buffer[256];

  2671 	unsigned int id = 0;

  2672 	int plnum = GetPluginCount();

  2673 	edict_t *e = player->GetEdict();

  2674 	unsigned int start = 0;

  2676 	if (!plnum)

  2677 	{

  2678 		ClientConsolePrint(e, "[SM] No plugins found.");

  2679 		return;

  2680 	}

  2682 	if (args.ArgC() > 2)

  2683 	{

  2684 		start = atoi(args.Arg(2));

  2685 	}

  2687 	CPlugin *pl;

  2688 	SourceHook::List<CPlugin *>::iterator iter;

  2689 	SourceHook::List<CPlugin *> m_FailList;

  2691 	for (iter = m_plugins.begin();

  2692 		 iter != m_plugins.end();

  2693 		 iter++)

  2694 	{

  2695 		pl = (*iter);

  2697 		if (pl->GetStatus() != Plugin_Running)

  2698 		{

  2699 			continue;

  2700 		}

  2702 		/* Count valid plugins */

  2703 		id++;

  2704 		if (id < start)

  2705 		{

  2706 			continue;

  2707 		}

  2709 		if (id - start > 10)

  2710 		{

  2711 			break;

  2712 		}

  2714 		size_t len;

  2715 		const sm_plugininfo_t *info = pl->GetPublicInfo();

  2716 		len = UTIL_Format(buffer, sizeof(buffer), " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2717 		if (IS_STR_FILLED(info->version))

  2718 		{

  2719 			len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  2720 		}

  2721 		if (IS_STR_FILLED(info->author))

  2722 		{

  2723 			UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  2724 		}

  2725 		else

  2726 		{

  2727 			UTIL_Format(&buffer[len], sizeof(buffer)-len, " %s", pl->m_filename);

  2728 		}

  2729 		ClientConsolePrint(e, "%s", buffer);

  2730 	}

  2732 	/* See if we can get more plugins */

  2733 	while (iter != m_plugins.end())

  2734 	{

  2735 		if ((*iter)->GetStatus() == Plugin_Running)

  2736 		{

  2737 			break;

  2738 		}

  2739 	}

  2741 	/* Do we actually have more plugins? */

  2742 	if (iter != m_plugins.end())

  2743 	{

  2744 		ClientConsolePrint(e, "To see more, type \"sm plugins %d\"", id + 1);

  2745 	}

  2746 }

author	Nicholas Hastings <skamonkey@gmail.com>
	Mon Jun 28 19:12:37 2010 -0400 (2010-06-28)
changeset 3060	f1bfc4089ce5
parent 3004	e3ac0dc6d9a4
child 3129	76208f2e5ef0
permissions	-rw-r--r--