sourcemod-central: core/PluginSys.cpp@46c76edb0875

     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 "TextParsers.h"

    41 #include "Logger.h"

    42 #include "ExtensionSys.h"

    43 #include "sm_srvcmds.h"

    44 #include "sm_stringutil.h"

    45 #include "ConCmdManager.h"

    46 #include "PlayerManager.h"

    47 #include "CoreConfig.h"

    48 #include "Translator.h"

    50 CPluginManager g_PluginSys;

    51 HandleType_t g_PluginType = 0;

    52 IdentityType_t g_PluginIdent = 0;

    54 CPlugin::CPlugin(const char *file)

    55 {

    56 	static int MySerial = 0;

    58 	m_type = PluginType_Private;

    59 	m_status = Plugin_Uncompiled;

    60 	m_serial = ++MySerial;

    61 	m_pRuntime = NULL;

    62 	m_errormsg[256] = '\0';

    63 	snprintf(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 = g_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 			snprintf(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 	vsnprintf(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 >= 3)

   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 > 4)

   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 bool CPlugin::Call_AskPluginLoad(char *error, size_t maxlength)

   390 {

   391 	if (m_status != Plugin_Created)

   392 	{

   393 		return false;

   394 	}

   396 	m_status = Plugin_Loaded;

   398 	int err;

   399 	cell_t result;

   400 	IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad");

   402 	if (!pFunction)

   403 	{

   404 		return true;

   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 false;

   414 	}

   416 	if (!result || m_status != Plugin_Loaded)

   417 	{

   418 		return false;

   419 	}

   421 	return true;

   422 }

   424 void *CPlugin::GetPluginStructure()

   425 {

   426 	return NULL;

   427 }

   429 IPluginContext *CPlugin::GetBaseContext()

   430 {

   431 	if (m_pRuntime == NULL)

   432 	{

   433 		return NULL;

   434 	}

   436 	return m_pRuntime->GetDefaultContext();

   437 }

   439 sp_context_t *CPlugin::GetContext()

   440 {

   441 	return NULL;

   442 }

   444 const char *CPlugin::GetFilename()

   445 {

   446 	return m_filename;

   447 }

   449 PluginType CPlugin::GetType()

   450 {

   451 	return m_type;

   452 }

   454 const sm_plugininfo_t *CPlugin::GetPublicInfo()

   455 {

   456 	if (GetStatus() >= Plugin_Created)

   457 	{

   458 		return NULL;

   459 	}

   460 	return &m_info;

   461 }

   463 unsigned int CPlugin::GetSerial()

   464 {

   465 	return m_serial;

   466 }

   468 PluginStatus CPlugin::GetStatus()

   469 {

   470 	return m_status;

   471 }

   473 bool CPlugin::IsDebugging()

   474 {

   475 	if (m_pRuntime == NULL)

   476 	{

   477 		return false;

   478 	}

   480 	return true;

   481 }

   483 void CPlugin::LibraryActions(bool dropping)

   484 {

   485 	List<String>::iterator iter;

   486 	for (iter = m_Libraries.begin();

   487 		iter != m_Libraries.end();

   488 		iter++)

   489 	{

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

   491 	}

   492 }

   494 bool CPlugin::SetPauseState(bool paused)

   495 {

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

   497 	{

   498 		return false;

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

   500 		return false;

   501 	}

   503 	if (paused)

   504 	{

   505 		LibraryActions(true);

   506 	}

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

   509 	if (pFunction)

   510 	{

   511 		cell_t result;

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

   513 		pFunction->Execute(&result);

   514 	}

   516 	if (paused)

   517 	{

   518 		m_status = Plugin_Paused;

   519 		m_pRuntime->SetPauseState(true);

   520 	} else {

   521 		m_status = Plugin_Running;

   522 		m_pRuntime->SetPauseState(false);

   523 	}

   525 	g_PluginSys._SetPauseState(this, paused);

   527 	if (!paused)

   528 	{

   529 		LibraryActions(false);

   530 	}

   532 	return true;

   533 }

   535 IdentityToken_t *CPlugin::GetIdentity()

   536 {

   537 	return m_ident;

   538 }

   540 bool CPlugin::IsRunnable()

   541 {

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

   543 }

   545 time_t CPlugin::GetFileTimeStamp()

   546 {

   547 	char path[PLATFORM_MAX_PATH];

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

   549 #ifdef PLATFORM_WINDOWS

   550 	struct _stat s;

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

   552 #elif defined PLATFORM_POSIX

   553 	struct stat s;

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

   555 #endif

   556 	{

   557 		return 0;

   558 	}

   559 	else

   560 	{

   561 		return s.st_mtime;

   562 	}

   563 }

   565 time_t CPlugin::GetTimeStamp()

   566 {

   567 	return m_LastAccess;

   568 }

   570 void CPlugin::SetTimeStamp(time_t t)

   571 {

   572 	m_LastAccess = t;

   573 }

   575 IPhraseCollection *CPlugin::GetPhrases()

   576 {

   577 	return m_pPhrases;

   578 }

   580 void CPlugin::DependencyDropped(CPlugin *pOwner)

   581 {

   582 	if (!m_pRuntime)

   583 	{

   584 		return;

   585 	}

   587 	List<String>::iterator reqlib_iter;

   588 	List<String>::iterator lib_iter;

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

   590 	{

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

   592 		{

   593 			if ((*reqlib_iter) == (*lib_iter))

   594 			{

   595 				m_LibraryMissing = true;

   596 			}

   597 		}

   598 	}

   600 	List<NativeEntry *>::iterator iter;

   601 	NativeEntry *pNative;

   602 	sp_native_t *native;

   603 	uint32_t idx;

   604 	unsigned int unbound = 0;

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

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

   608 		 iter++)

   609 	{

   610 		pNative = (*iter);

   611 		/* Find this native! */

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

   613 		{

   614 			continue;

   615 		}

   616 		/* Unbind it */

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

   618 		native->pfn = NULL;

   619 		native->status = SP_NATIVE_UNBOUND;

   620 		unbound++;

   621 	}

   623 	if (unbound)

   624 	{

   625 		m_FakeNativesMissing = true;

   626 	}

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

   629 	if (m_FakeNativesMissing || m_LibraryMissing)

   630 	{

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

   632 	}

   633 }

   635 unsigned int CPlugin::GetConfigCount()

   636 {

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

   638 }

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

   641 {

   642 	if (i >= GetConfigCount())

   643 	{

   644 		return NULL;

   645 	}

   647 	return m_configs[i];

   648 }

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

   651 {

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

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

   654 	{

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

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

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

   658 		{

   659 			return;

   660 		}

   661 	}

   663 	AutoConfig *c = new AutoConfig;

   665 	c->autocfg = cfg;

   666 	c->folder = folder;

   667 	c->create = autoCreate;

   669 	m_configs.push_back(c);

   670 }

   672 void CPlugin::DropEverything()

   673 {

   674 	CPlugin *pOther;

   675 	List<CPlugin *>::iterator iter;

   676 	List<WeakNative>::iterator wk_iter;

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

   679 	for (iter = m_Dependents.begin();

   680 		 iter != m_Dependents.end();

   681 		 iter++)

   682 	{

   683 		pOther = (*iter);

   684 		pOther->DependencyDropped(this);

   685 	}

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

   688 	 * The reason is that extensions have their own cleanup

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

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

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

   692 	 */

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

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

   696 	 */

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

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

   699 		 iter++)

   700 	{

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

   702 	}

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

   705 	CNativeOwner::DropEverything();

   706 }

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

   709 {

   710 	NativeEntry *pEntry;

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

   713 	{

   714 		return false;

   715 	}

   717 	m_Natives.push_back(pEntry);

   719 	return true;

   720 }

   722 /*******************

   723  * PLUGIN ITERATOR *

   724  *******************/

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

   727 {

   728 	mylist = _mylist;

   729 	Reset();

   730 }

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

   733 {

   734 	return (*current);

   735 }

   737 bool CPluginManager::CPluginIterator::MorePlugins()

   738 {

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

   740 }

   742 void CPluginManager::CPluginIterator::NextPlugin()

   743 {

   744 	current++;

   745 }

   747 void CPluginManager::CPluginIterator::Release()

   748 {

   749 	g_PluginSys.ReleaseIterator(this);

   750 }

   752 CPluginManager::CPluginIterator::~CPluginIterator()

   753 {

   754 }

   756 void CPluginManager::CPluginIterator::Reset()

   757 {

   758 	current = mylist->begin();

   759 }

   761 /******************

   762  * PLUGIN MANAGER *

   763  ******************/

   765 CPluginManager::CPluginManager()

   766 {

   767 	m_LoadLookup = sm_trie_create();

   768 	m_AllPluginsLoaded = false;

   769 	m_MyIdent = NULL;

   770 	m_LoadingLocked = false;

   771 }

   773 CPluginManager::~CPluginManager()

   774 {

   775 	/* :NOTICE:

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

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

   778 	 * will crash anyway.  YAY

   779 	 */

   780 	sm_trie_destroy(m_LoadLookup);

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

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

   784 	{

   785 		delete (*iter);

   786 	}

   787 	m_iters.popall();

   788 }

   790 void CPluginManager::Shutdown()

   791 {

   792 	List<CPlugin *>::iterator iter;

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

   795 	{

   796 		UnloadPlugin(*iter);

   797 	}

   798 }

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

   801 {

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

   803 	SMCError err;

   804 	SMCStates states;

   805 	m_AllPluginsLoaded = false;

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

   807 	{

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

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

   810 		if (err_msg)

   811 		{

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

   813 		}

   814 	}

   816 	LoadPluginsFromDir(basedir, NULL);

   817 }

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

   820 {

   821 	char base_path[PLATFORM_MAX_PATH];

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

   824 	if (localpath == NULL)

   825 	{

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

   827 	} else {

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

   829 	}

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

   833 	if (!dir)

   834 	{

   835 		char error[256];

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

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

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

   839 		return;

   840 	}

   842 	while (dir->MoreFiles())

   843 	{

   844 		if (dir->IsEntryDirectory()

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

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

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

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

   849 		{

   850 			char new_local[PLATFORM_MAX_PATH];

   851 			if (localpath == NULL)

   852 			{

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

   854 				snprintf(new_local, sizeof(new_local), "%s", dir->GetEntryName());

   855 			} else {

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

   857 			}

   858 			LoadPluginsFromDir(basedir, new_local);

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

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

   861 			size_t len = strlen(name);

   862 			if (len >= 4

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

   864 			{

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

   866 				char plugin[PLATFORM_MAX_PATH];

   867 				if (localpath == NULL)

   868 				{

   869 					snprintf(plugin, sizeof(plugin), "%s", name);

   870 				} else {

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

   872 				}

   873 				LoadAutoPlugin(plugin);

   874 			}

   875 		}

   876 		dir->NextEntry();

   877 	}

   878 	g_LibSys.CloseDirectory(dir);

   879 }

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

   882 {

   883 	if (m_LoadingLocked)

   884 	{

   885 		return LoadRes_NeverLoad;

   886 	}

   888 	int err;

   889 	bool no_load = false;

   890 	PluginSettings *pset;

   891 	unsigned int setcount = m_PluginInfo.GetSettingsNum();

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

   893 	{

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

   895 		{

   896 			continue;

   897 		}

   898 		if (pset->blockload_val)

   899 		{

   900 			no_load = true;

   901 			break;

   902 		}

   903 	}

   905 	/**

   906 	 * Does this plugin already exist?

   907 	 */

   908 	CPlugin *pPlugin;

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

   910 	{

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

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

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

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

   915 			|| no_load)

   916 		{

   917 			UnloadPlugin(pPlugin);

   918 		}

   919 		else

   920 		{

   921 			if (_plugin)

   922 			{

   923 				*_plugin = pPlugin;

   924 			}

   925 			return LoadRes_AlreadyLoaded;

   926 		}

   927 	}

   929 	if (no_load)

   930 	{

   931 		return LoadRes_NeverLoad;

   932 	}

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

   936 	assert(pPlugin != NULL);

   938 	pPlugin->m_type = PluginType_MapUpdated;

   940 	ICompilation *co = NULL;

   942 	if (pPlugin->m_status == Plugin_Uncompiled)

   943 	{

   944 		co = g_pSourcePawn2->StartCompilation();

   945 	}

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

   948 	{

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

   950 		{

   951 			continue;

   952 		}

   953 		pPlugin->m_type = pset->type_val;

   954 		if (co)

   955 		{

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

   957 			{

   958 				const char *key, *val;

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

   960 				if (!key || !val)

   961 				{

   962 					continue;

   963 				}

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

   965 				{

   966 					if (error)

   967 					{

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

   969 					}

   970 					co->Abort();

   971 					co = NULL;

   972 					break;

   973 				}

   974 			}

   975 		}

   976 	}

   978 	/* Do the actual compiling */

   979 	if (co != NULL)

   980 	{

   981 		char fullpath[PLATFORM_MAX_PATH];

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

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

   985 		if (pPlugin->m_pRuntime == NULL)

   986 		{

   987 			snprintf(error,

   988 				maxlength,

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

   990 				err,

   991 				g_pSourcePawn2->GetErrorString(err));

   992 			pPlugin->m_status = Plugin_BadLoad;

   993 		}

   994 		else

   995 		{

   996 			if (pPlugin->UpdateInfo())

   997 			{

   998 				pPlugin->m_status = Plugin_Created;

   999 			}

  1000 			else

  1001 			{

  1002 				UTIL_Format(error, maxlength, "%s", pPlugin->m_errormsg);

  1003 			}

  1004 		}

  1005 	}

  1007 	/* Get the status */

  1008 	if (pPlugin->GetStatus() == Plugin_Created)

  1009 	{

  1010 		/* First native pass - add anything from Core */

  1011 		g_ShareSys.BindNativesToPlugin(pPlugin, true);

  1012 		pPlugin->InitIdentity();

  1013 		if (pPlugin->Call_AskPluginLoad(error, maxlength))

  1014 		{

  1015 			/* Autoload any modules */

  1016 			LoadOrRequireExtensions(pPlugin, 1, error, maxlength);

  1017 		}

  1018 		else

  1019 		{

  1020 			pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1021 		}

  1022 	}

  1024 	/* Save the time stamp */

  1025 	time_t t = pPlugin->GetFileTimeStamp();

  1026 	pPlugin->SetTimeStamp(t);

  1028 	if (_plugin)

  1029 	{

  1030 		*_plugin = pPlugin;

  1031 	}

  1033 	return (pPlugin->GetStatus() == Plugin_Loaded) ? LoadRes_Successful : LoadRes_Failure;

  1034 }

  1036 IPlugin *CPluginManager::LoadPlugin(const char *path, bool debug, PluginType type, char error[], size_t maxlength, bool *wasloaded)

  1037 {

  1038 	CPlugin *pl;

  1039 	LoadRes res;

  1041 	*wasloaded = false;

  1042 	if ((res=_LoadPlugin(&pl, path, true, type, error, maxlength)) == LoadRes_Failure)

  1043 	{

  1044 		delete pl;

  1045 		return NULL;

  1046 	}

  1048 	if (res == LoadRes_AlreadyLoaded)

  1049 	{

  1050 		*wasloaded = true;

  1051 		return pl;

  1052 	}

  1054 	if (res == LoadRes_NeverLoad)

  1055 	{

  1056 		if (m_LoadingLocked)

  1057 		{

  1058 			UTIL_Format(error, maxlength, "There is a global plugin loading lock in effect");

  1059 		}

  1060 		else

  1061 		{

  1062 			UTIL_Format(error, maxlength, "This plugin is blocked from loading (see plugin_settings.cfg)");

  1063 		}

  1064 		return NULL;

  1065 	}

  1067 	AddPlugin(pl);

  1069 	/* Run second pass if we need to */

  1070 	if (IsLateLoadTime() && pl->GetStatus() == Plugin_Loaded)

  1071 	{

  1072 		if (!RunSecondPass(pl, error, maxlength))

  1073 		{

  1074 			UnloadPlugin(pl);

  1075 			return NULL;

  1076 		}

  1077 		pl->Call_OnAllPluginsLoaded();

  1078 	}

  1080 	return pl;

  1081 }

  1083 void CPluginManager::LoadAutoPlugin(const char *plugin)

  1084 {

  1085 	CPlugin *pl = NULL;

  1086 	LoadRes res;

  1087 	char error[255] = "Unknown error";

  1089 	if ((res=_LoadPlugin(&pl, plugin, false, PluginType_MapUpdated, error, sizeof(error))) == LoadRes_Failure)

  1090 	{

  1091 		g_Logger.LogError("[SM] Failed to load plugin \"%s\": %s", plugin, error);

  1092 		pl->SetErrorState(

  1093 			pl->GetStatus() == Plugin_BadLoad ? Plugin_BadLoad : Plugin_Failed,

  1094 			"%s",

  1095 			error);

  1096 	}

  1098 	if (res == LoadRes_Successful || res == LoadRes_Failure)

  1099 	{

  1100 		AddPlugin(pl);

  1101 	}

  1102 }

  1104 void CPluginManager::AddPlugin(CPlugin *pPlugin)

  1105 {

  1106 	List<IPluginsListener *>::iterator iter;

  1107 	IPluginsListener *pListener;

  1109 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1110 	{

  1111 		pListener = (*iter);

  1112 		pListener->OnPluginCreated(pPlugin);

  1113 	}

  1115 	m_plugins.push_back(pPlugin);

  1116 	sm_trie_insert(m_LoadLookup, pPlugin->m_filename, pPlugin);

  1117 }

  1119 void CPluginManager::LoadAll_SecondPass()

  1120 {

  1121 	List<CPlugin *>::iterator iter;

  1122 	CPlugin *pPlugin;

  1124 	char error[256];

  1125 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1126 	{

  1127 		pPlugin = (*iter);

  1128 		if (pPlugin->GetStatus() == Plugin_Loaded)

  1129 		{

  1130 			error[0] = '\0';

  1131 			if (!RunSecondPass(pPlugin, error, sizeof(error)))

  1132 			{

  1133 				g_Logger.LogError("[SM] Unable to load plugin \"%s\": %s", pPlugin->GetFilename(), error);

  1134 				pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1135 			}

  1136 		}

  1137 	}

  1139 	m_AllPluginsLoaded = true;

  1140 }

  1142 bool CPluginManager::FindOrRequirePluginDeps(CPlugin *pPlugin, char *error, size_t maxlength)

  1143 {

  1144 	struct _pl

  1145 	{

  1146 		cell_t name;

  1147 		cell_t file;

  1148 		cell_t required;

  1149 	} *pl;

  1151 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1152 	uint32_t num = pBase->GetPubVarsNum();

  1153 	sp_pubvar_t *pubvar;

  1154 	char *name, *file;

  1155 	char pathfile[PLATFORM_MAX_PATH];

  1157 	for (uint32_t i=0; i<num; i++)

  1158 	{

  1159 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1160 		{

  1161 			continue;

  1162 		}

  1163 		if (strncmp(pubvar->name, "__pl_", 5) == 0)

  1164 		{

  1165 			pl = (_pl *)pubvar->offs;

  1166 			if (pBase->LocalToString(pl->file, &file) != SP_ERROR_NONE)

  1167 			{

  1168 				continue;

  1169 			}

  1170 			if (pBase->LocalToString(pl->name, &name) != SP_ERROR_NONE)

  1171 			{

  1172 				continue;

  1173 			}

  1174 			g_LibSys.GetFileFromPath(pathfile, sizeof(pathfile), pPlugin->GetFilename());

  1175 			if (strcmp(pathfile, file) == 0)

  1176 			{

  1177 				continue;

  1178 			}

  1179 			if (pl->required == false)

  1180 			{

  1181 				IPluginFunction *pFunc;

  1182 				char buffer[64];

  1183 				UTIL_Format(buffer, sizeof(buffer), "__pl_%s_SetNTVOptional", &pubvar->name[5]);

  1184 				if ((pFunc=pBase->GetFunctionByName(buffer)))

  1185 				{

  1186 					cell_t res;

  1187 					pFunc->Execute(&res);

  1188 					if (pPlugin->GetBaseContext()->GetLastNativeError() != SP_ERROR_NONE)

  1189 					{

  1190 						if (error)

  1191 						{

  1192 							snprintf(error, maxlength, "Fatal error during initializing plugin load");

  1193 						}

  1194 						return false;

  1195 					}

  1196 				}

  1197 			}

  1198 			else

  1199 			{

  1200 				/* Check that we aren't registering the same library twice */

  1201 				if (pPlugin->m_RequiredLibs.find(name) == pPlugin->m_RequiredLibs.end())

  1202 				{

  1203 					pPlugin->m_RequiredLibs.push_back(name);

  1204 				}

  1205 				else

  1206 				{

  1207 					continue;

  1208 				}

  1209 				List<CPlugin *>::iterator iter;

  1210 				CPlugin *pl;

  1211 				bool found = false;

  1212 				for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1213 				{

  1214 					pl = (*iter);

  1215 					if (pl->m_Libraries.find(name) != pl->m_Libraries.end())

  1216 					{

  1217 						found = true;

  1218 						break;

  1219 					}

  1220 				}

  1221 				if (!found)

  1222 				{

  1223 					if (error)

  1224 					{

  1225 						snprintf(error, maxlength, "Could not find required plugin \"%s\"", name);

  1226 					}

  1227 					return false;

  1228 				}

  1229 			}

  1230 		}

  1231 	}

  1233 	return true;

  1234 }

  1236 bool CPluginManager::LoadOrRequireExtensions(CPlugin *pPlugin, unsigned int pass, char *error, size_t maxlength)

  1237 {

  1238 	/* Find any extensions this plugin needs */

  1239 	struct _ext

  1240 	{

  1241 		cell_t name;

  1242 		cell_t file;

  1243 		cell_t autoload;

  1244 		cell_t required;

  1245 	} *ext;

  1247 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1248 	uint32_t num = pBase->GetPubVarsNum();

  1249 	sp_pubvar_t *pubvar;

  1250 	IExtension *pExt;

  1251 	char path[PLATFORM_MAX_PATH];

  1252 	char *file, *name;

  1253 	for (uint32_t i=0; i<num; i++)

  1254 	{

  1255 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1256 		{

  1257 			continue;

  1258 		}

  1259 		if (strncmp(pubvar->name, "__ext_", 6) == 0)

  1260 		{

  1261 			ext = (_ext *)pubvar->offs;

  1262 			if (pBase->LocalToString(ext->file, &file) != SP_ERROR_NONE)

  1263 			{

  1264 				continue;

  1265 			}

  1266 			if (pBase->LocalToString(ext->name, &name) != SP_ERROR_NONE)

  1267 			{

  1268 				continue;

  1269 			}

  1270 			if (pass == 1)

  1271 			{

  1272 				/* Attempt to auto-load if necessary */

  1273 				if (ext->autoload)

  1274 				{

  1275 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1276 					g_Extensions.LoadAutoExtension(path);

  1277 				}

  1278 			}

  1279 			else if (pass == 2)

  1280 			{

  1281 				/* Is this required? */

  1282 				if (ext->required)

  1283 				{

  1284 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1285 					if ((pExt = g_Extensions.FindExtensionByFile(path)) == NULL)

  1286 					{

  1287 						pExt = g_Extensions.FindExtensionByName(name);

  1288 					}

  1289 					/* :TODO: should we bind to unloaded extensions?

  1290 					 * Currently the extension manager will ignore this.

  1291 					 */

  1292 					if (!pExt || !pExt->IsRunning(NULL, 0))

  1293 					{

  1294 						if (error)

  1295 						{

  1296 							snprintf(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1297 						}

  1298 						return false;

  1299 					}

  1300 					else

  1301 					{

  1302 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1303 					}

  1304 				}

  1305 				else

  1306 				{

  1307 					IPluginFunction *pFunc;

  1308 					char buffer[64];

  1309 					UTIL_Format(buffer, sizeof(buffer), "__ext_%s_SetNTVOptional", &pubvar->name[6]);

  1311 					if ((pFunc = pBase->GetFunctionByName(buffer)) != NULL)

  1312 					{

  1313 						cell_t res;

  1314 						pFunc->Execute(&res);

  1315 						if (pPlugin->GetBaseContext()->GetLastNativeError() != SP_ERROR_NONE)

  1316 						{

  1317 							if (error)

  1318 							{

  1319 								UTIL_Format(error, maxlength, "Fatal error during plugin initialization (ext req)");

  1320 							}

  1321 							return false;

  1322 						}

  1323 					}

  1324 				}

  1325 			}

  1326 		}

  1327 	}

  1329 	return true;

  1330 }

  1332 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1333 {

  1334 	/* Second pass for extension requirements */

  1335 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1336 	{

  1337 		return false;

  1338 	}

  1340 	if (!FindOrRequirePluginDeps(pPlugin, error, maxlength))

  1341 	{

  1342 		return false;

  1343 	}

  1345 	/* Run another binding pass */

  1346 	g_ShareSys.BindNativesToPlugin(pPlugin, false);

  1348 	/* Find any unbound natives. Right now, these are not allowed. */

  1349 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1350 	uint32_t num = pContext->GetNativesNum();

  1351 	sp_native_t *native;

  1352 	for (unsigned int i=0; i<num; i++)

  1353 	{

  1354 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1355 		{

  1356 			break;

  1357 		}

  1358 		if (native->status == SP_NATIVE_UNBOUND

  1359 			&& native->name[0] != '@'

  1360 			&& !(native->flags & SP_NTVFLAG_OPTIONAL))

  1361 		{

  1362 			if (error)

  1363 			{

  1364 				snprintf(error, maxlength, "Native \"%s\" was not found", native->name);

  1365 			}

  1366 			return false;

  1367 		}

  1368 	}

  1370 	/* Finish by telling all listeners */

  1371 	List<IPluginsListener *>::iterator iter;

  1372 	IPluginsListener *pListener;

  1373 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1374 	{

  1375 		pListener = (*iter);

  1376 		pListener->OnPluginLoaded(pPlugin);

  1377 	}

  1379 	/* Tell this plugin to finish initializing itself */

  1380 	pPlugin->Call_OnPluginStart();

  1382 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1383 	if (pPlugin->GetStatus() <= Plugin_Paused && pPlugin->m_Natives.size())

  1384 	{

  1385 		List<CPlugin *>::iterator pl_iter;

  1386 		CPlugin *pOther;

  1387 		for (pl_iter = m_plugins.begin();

  1388 			 pl_iter != m_plugins.end();

  1389 			 pl_iter++)

  1390 		{

  1391 			pOther = (*pl_iter);

  1392 			if ((pOther->GetStatus() == Plugin_Error

  1393 				&& (pOther->m_FakeNativesMissing || pOther->m_LibraryMissing))

  1394 				|| pOther->m_FakeNativesMissing)

  1395 			{

  1396 				TryRefreshDependencies(pOther);

  1397 			}

  1398 			else if ((pOther->GetStatus() == Plugin_Running

  1399 					  || pOther->GetStatus() == Plugin_Paused)

  1400 					 && pOther != pPlugin)

  1401 			{

  1402 				List<NativeEntry *>::iterator nv_iter;

  1403 				for (nv_iter = pPlugin->m_Natives.begin();

  1404 					 nv_iter != pPlugin->m_Natives.end();

  1405 					 nv_iter++)

  1406 				{

  1407 					g_ShareSys.BindNativeToPlugin(pOther, (*nv_iter));

  1408 				}

  1409 			}

  1410 		}

  1411 	}

  1413 	/* Go through our libraries and tell other plugins they're added */

  1414 	List<String>::iterator s_iter;

  1415 	for (s_iter = pPlugin->m_Libraries.begin();

  1416 		s_iter != pPlugin->m_Libraries.end();

  1417 		s_iter++)

  1418 	{

  1419 		OnLibraryAction((*s_iter).c_str(), true, false);

  1420 	}

  1422 	/* :TODO: optimize? does this even matter? */

  1423 	pPlugin->GetPhrases()->AddPhraseFile("core.phrases");

  1425 	return true;

  1426 }

  1428 void CPluginManager::TryRefreshDependencies(CPlugin *pPlugin)

  1429 {

  1430 	assert(pPlugin->GetBaseContext() != NULL);

  1432 	g_ShareSys.BindNativesToPlugin(pPlugin, false);

  1434 	List<String>::iterator lib_iter;

  1435 	List<String>::iterator req_iter;

  1436 	List<CPlugin *>::iterator pl_iter;

  1437 	CPlugin *pl;

  1438 	for (req_iter=pPlugin->m_RequiredLibs.begin(); req_iter!=pPlugin->m_RequiredLibs.end(); req_iter++)

  1439 	{

  1440 		bool found = false;

  1441 		for (pl_iter=m_plugins.begin(); pl_iter!=m_plugins.end(); pl_iter++)

  1442 		{

  1443 			pl = (*pl_iter);

  1444 			for (lib_iter=pl->m_Libraries.begin(); lib_iter!=pl->m_Libraries.end(); lib_iter++)

  1445 			{

  1446 				if ((*req_iter) == (*lib_iter))

  1447 				{

  1448 					found = true;

  1449 				}

  1450 			}

  1451 		}

  1452 		if (!found)

  1453 		{

  1454 			pPlugin->SetErrorState(Plugin_Error, "Library not found: %s", (*req_iter).c_str());

  1455 			return;

  1456 		}

  1457 	}

  1459 	/* Find any unbound natives

  1460 	 * Right now, these are not allowed

  1461 	 */

  1462 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1463 	uint32_t num = pContext->GetNativesNum();

  1464 	sp_native_t *native;

  1465 	for (unsigned int i=0; i<num; i++)

  1466 	{

  1467 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1468 		{

  1469 			break;

  1470 		}

  1471 		if (native->status == SP_NATIVE_UNBOUND && !(native->flags & SP_NTVFLAG_OPTIONAL))

  1472 		{

  1473 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1474 			return;

  1475 		}

  1476 	}

  1478 	if (pPlugin->GetStatus() == Plugin_Error)

  1479 	{

  1480 		/* If we got here, all natives are okay again! */

  1481 		pPlugin->m_status = Plugin_Running;

  1482 		if (pPlugin->m_pRuntime->IsPaused())

  1483 		{

  1484 			pPlugin->m_pRuntime->SetPauseState(false);

  1485 			_SetPauseState(pPlugin, false);

  1486 		}

  1487 	}

  1488 }

  1490 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1491 {

  1492 	CPlugin *pPlugin = (CPlugin *)plugin;

  1494 	/* This prevents removal during insertion or anything else weird */

  1495 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1496 	{

  1497 		return false;

  1498 	}

  1500 	IPluginContext *pContext = plugin->GetBaseContext();

  1501 	if (pContext != NULL && pContext->IsInExec())

  1502 	{

  1503 		char buffer[255];

  1504 		UTIL_Format(buffer, sizeof(buffer), "sm plugins unload %s\n", plugin->GetFilename());

  1505 		engine->ServerCommand(buffer);

  1506 		return false;

  1507 	}

  1509 	/* Remove us from the lookup table and linked list */

  1510 	m_plugins.remove(pPlugin);

  1511 	sm_trie_delete(m_LoadLookup, pPlugin->m_filename);

  1513 	/* Go through our libraries and tell other plugins they're gone */

  1514 	List<String>::iterator s_iter;

  1515 	for (s_iter = pPlugin->m_Libraries.begin();

  1516 		 s_iter != pPlugin->m_Libraries.end();

  1517 		 s_iter++)

  1518 	{

  1519 		OnLibraryAction((*s_iter).c_str(), true, true);

  1520 	}

  1522 	List<IPluginsListener *>::iterator iter;

  1523 	IPluginsListener *pListener;

  1525 	if (pPlugin->GetStatus() <= Plugin_Error)

  1526 	{

  1527 		/* Notify listeners of unloading */

  1528 		for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1529 		{

  1530 			pListener = (*iter);

  1531 			pListener->OnPluginUnloaded(pPlugin);

  1532 		}

  1533 		/* Notify plugin */

  1534 		pPlugin->Call_OnPluginEnd();

  1535 	}

  1537 	pPlugin->DropEverything();

  1539 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1540 	{

  1541 		/* Notify listeners of destruction */

  1542 		pListener = (*iter);

  1543 		pListener->OnPluginDestroyed(pPlugin);

  1544 	}

  1546 	/* Tell the plugin to delete itself */

  1547 	delete pPlugin;

  1549 	return true;

  1550 }

  1552 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1553 {

  1554 	IPlugin *pPlugin;

  1555 	IPluginContext *pContext;

  1557 	pContext = reinterpret_cast<IPluginContext *>(const_cast<sp_context_t *>(ctx));

  1559 	if (pContext->GetKey(2, (void **)&pPlugin))

  1560 	{

  1561 		return pPlugin;

  1562 	}

  1564 	return NULL;

  1565 }

  1567 CPlugin *CPluginManager::GetPluginByCtx(const sp_context_t *ctx)

  1568 {

  1569 	return (CPlugin *)FindPluginByContext(ctx);

  1570 }

  1572 unsigned int CPluginManager::GetPluginCount()

  1573 {

  1574 	return m_plugins.size();

  1575 }

  1577 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1578 {

  1579 	m_listeners.push_back(listener);

  1580 }

  1582 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1583 {

  1584 	m_listeners.remove(listener);

  1585 }

  1587 IPluginIterator *CPluginManager::GetPluginIterator()

  1588 {

  1589 	if (m_iters.empty())

  1590 	{

  1591 		return new CPluginIterator(&m_plugins);

  1592 	} else {

  1593 		CPluginIterator *iter = m_iters.front();

  1594 		m_iters.pop();

  1595 		iter->Reset();

  1596 		return iter;

  1597 	}

  1598 }

  1600 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1601 {

  1602 	m_iters.push(iter);

  1603 }

  1605 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1606 {

  1607 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1608 	size_t alias_len = 0;

  1609 	size_t local_len = 0;

  1611 	const char *ptr = alias;

  1612 	unsigned int alias_explicit_paths = 0;

  1613 	unsigned int alias_path_end = 0;

  1614 	while (*ptr != '\0')

  1615 	{

  1616 		if (*ptr == '\\' || *ptr == '/')

  1617 		{

  1618 			alias_explicit_paths++;

  1619 			alias_path_end = alias_len;

  1620 		}

  1621 		alias_len++;

  1622 		ptr++;

  1623 	}

  1625 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1626 	{

  1627 		/* Trailing slash is totally invalid here */

  1628 		return false;

  1629 	}

  1631 	ptr = localpath;

  1632 	unsigned int local_explicit_paths = 0;

  1633 	unsigned int local_path_end = 0;

  1634 	while (*ptr != '\0')

  1635 	{

  1636 		if (*ptr == '\\' || *ptr == '/')

  1637 		{

  1638 			local_explicit_paths++;

  1639 			local_path_end = local_len;

  1640 		}

  1641 		local_len++;

  1642 		ptr++;

  1643 	}

  1645 	/* If the alias has more explicit paths than the real path,

  1646 	 * no match will be possible.

  1647 	 */

  1648 	if (alias_explicit_paths > local_explicit_paths)

  1649 	{

  1650 		return false;

  1651 	}

  1653 	if (alias_explicit_paths)

  1654 	{

  1655 		/* We need to find if the paths match now.  For example, these should all match:

  1656 		 * csdm     csdm

  1657 		 * csdm     optional/csdm

  1658 		 * csdm/ban optional/crab/csdm/ban

  1659 		*/

  1660 		const char *aliasptr = alias;

  1661 		const char *localptr = localpath;

  1662 		bool match = true;

  1663 		do

  1664 		{

  1665 			if (*aliasptr != *localptr)

  1666 			{

  1667 				/* We have to knock one path off */

  1668 				local_explicit_paths--;

  1669 				if (alias_explicit_paths > local_explicit_paths)

  1670 				{

  1671 					/* Skip out if we're gonna have an impossible match */

  1672 					return false;

  1673 				}

  1674 				/* Eat up localptr tokens until we get a result */

  1675 				while (((localptr - localpath) < (int)local_path_end)

  1676 					&& *localptr != '/'

  1677 					&& *localptr != '\\')

  1678 				{

  1679 					localptr++;

  1680 				}

  1681 				/* Check if we hit the end of our searchable area.

  1682 				 * This probably isn't possible because of the path

  1683 				 * count check, but it's a good idea anyway.

  1684 				 */

  1685 				if ((localptr - localpath) >= (int)local_path_end)

  1686 				{

  1687 					return false;

  1688 				} else {

  1689 					/* Consume the slash token */

  1690 					localptr++;

  1691 				}

  1692 				/* Reset the alias pointer so we can continue consuming */

  1693 				aliasptr = alias;

  1694 				match = false;

  1695 				continue;

  1696 			}

  1697 			/* Note:

  1698 			 * This is safe because if localptr terminates early, aliasptr will too

  1699 			 */

  1700 			do

  1701 			{

  1702 				/* We should never reach the end of the string because of this check. */

  1703 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1704 				bool localend = (localptr - localpath) > (int)local_path_end;

  1705 				if (aliasend || localend)

  1706 				{

  1707 					if (aliasend && localend)

  1708 					{

  1709 						/* we matched, and we can break out now */

  1710 						match = true;

  1711 						break;

  1712 					}

  1713 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1714 					match = false;

  1715 					break;

  1716 				}

  1718 				/* If we got here, it's safe to compare the next two tokens */

  1719 				if (*localptr != *aliasptr)

  1720 				{

  1721 					match = false;

  1722 					break;

  1723 				}

  1724 				localptr++;

  1725 				aliasptr++;

  1726 			} while (true);

  1727 		} while (!match);

  1728 	}

  1730 	/* If we got here, it's time to compare filenames */

  1731 	const char *aliasptr = alias;

  1732 	const char *localptr = localpath;

  1734 	if (alias_explicit_paths)

  1735 	{

  1736 		aliasptr = &alias[alias_path_end + 1];

  1737 	}

  1739 	if (local_explicit_paths)

  1740 	{

  1741 		localptr = &localpath[local_path_end + 1];

  1742 	}

  1744 	while (true)

  1745 	{

  1746 		if (*aliasptr == '*')

  1747 		{

  1748 			/* First, see if this is the last character */

  1749 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1750 			{

  1751 				/* If so, there's no need to match anything else */

  1752 				return true;

  1753 			}

  1754 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1755 			 * Note that we only need to search up to the next asterisk.

  1756 			 */

  1757 			aliasptr++;

  1758 			bool match = true;

  1759 			const char *local_orig = localptr;

  1760 			do

  1761 			{

  1762 				match = true;

  1763 				while (*aliasptr != '\0' && *aliasptr != '*')

  1764 				{

  1765 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1766 					if (*aliasptr != *localptr)

  1767 					{

  1768 						match = false;

  1769 						break;

  1770 					}

  1771 					aliasptr++;

  1772 					localptr++;

  1773 				}

  1774 				if (!match)

  1775 				{

  1776 					/* If we didn't get a match, we need to advance the search stream.

  1777 					 * This will let us skip tokens while still searching for another match.

  1778 					 */

  1779 					localptr = ++local_orig;

  1780 					/* Make sure we don't go out of bounds */

  1781 					if (*localptr == '\0')

  1782 					{

  1783 						break;

  1784 					}

  1785 				}

  1786 			} while (!match);

  1788 			if (!match)

  1789 			{

  1790 				return false;

  1791 			} else {

  1792 				/* If we got a match, move on to the next token */

  1793 				continue;

  1794 			}

  1795 		} else if (*aliasptr == '\0') {

  1796 			if (*localptr == '\0'

  1797 				||

  1798 				strcmp(localptr, ".smx") == 0)

  1799 			{

  1800 				return true;

  1801 			} else {

  1802 				return false;

  1803 			}

  1804 		} else if (*aliasptr != *localptr) {

  1805 			return false;

  1806 		}

  1807 		aliasptr++;

  1808 		localptr++;

  1809 	}

  1811 	return true;

  1812 }

  1814 bool CPluginManager::IsLateLoadTime() const

  1815 {

  1816 	return (m_AllPluginsLoaded || !g_SourceMod.IsMapLoading());

  1817 }

  1819 void CPluginManager::OnSourceModAllInitialized()

  1820 {

  1821 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1823 	HandleAccess sec;

  1824 	g_HandleSys.InitAccessDefaults(NULL, &sec);

  1826 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1827 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1829 	g_PluginType = g_HandleSys.CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1830 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1832 	g_RootMenu.AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1834 	g_ShareSys.AddInterface(NULL, this);

  1835 }

  1837 void CPluginManager::OnSourceModShutdown()

  1838 {

  1839 	g_RootMenu.RemoveRootConsoleCommand("plugins", this);

  1841 	UnloadAll();

  1843 	g_HandleSys.RemoveType(g_PluginType, m_MyIdent);

  1844 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1845 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1846 }

  1848 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1849 {

  1850 	/* We don't care about the internal object, actually */

  1851 }

  1853 bool CPluginManager::GetHandleApproxSize(HandleType_t type, void *object, unsigned int *pSize)

  1854 {

  1855 	*pSize = ((CPlugin *)object)->CalcMemUsage();

  1856 	return true;

  1857 }

  1859 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1860 {

  1861 	IPlugin *pPlugin;

  1862 	HandleError _err;

  1864 	HandleSecurity sec;

  1866 	sec.pOwner = NULL;

  1867 	sec.pIdentity = m_MyIdent;

  1869 	if ((_err=g_HandleSys.ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1870 	{

  1871 		pPlugin = NULL;

  1872 	}

  1874 	if (err)

  1875 	{

  1876 		*err = _err;

  1877 	}

  1879 	return pPlugin;

  1880 }

  1882 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1883 {

  1884 	if (num < 1 || num > (int)GetPluginCount())

  1885 	{

  1886 		return NULL;

  1887 	}

  1889 	CPlugin *pl;

  1890 	int id = 1;

  1892 	SourceHook::List<CPlugin *>::iterator iter;

  1893 	for (iter = m_plugins.begin(); iter != m_plugins.end() && id < num; iter++, id++) {}

  1895 	pl = *iter;

  1897 	return pl;

  1898 }

  1900 const char *CPluginManager::GetStatusText(PluginStatus st)

  1901 {

  1902 	switch (st)

  1903 	{

  1904 	case Plugin_Running:

  1905 		return "Running";

  1906 	case Plugin_Paused:

  1907 		return "Paused";

  1908 	case Plugin_Error:

  1909 		return "Error";

  1910 	case Plugin_Uncompiled:

  1911 		return "Uncompiled";

  1912 	case Plugin_BadLoad:

  1913 		return "Bad Load";

  1914 	case Plugin_Failed:

  1915 		return "Failed";

  1916 	default:

  1917 		assert(false);

  1918 		return "-";

  1919 	}

  1920 }

  1922 void CPluginManager::OnRootConsoleCommand(const char *cmdname, const CCommand &command)

  1923 {

  1924 	int argcount = command.ArgC();

  1925 	if (argcount >= 3)

  1926 	{

  1927 		const char *cmd = command.Arg(2);

  1928 		if (strcmp(cmd, "list") == 0)

  1929 		{

  1930 			char buffer[256];

  1931 			unsigned int id = 1;

  1932 			int plnum = GetPluginCount();

  1934 			if (!plnum)

  1935 			{

  1936 				g_RootMenu.ConsolePrint("[SM] No plugins loaded");

  1937 				return;

  1938 			}

  1939 			else

  1940 			{

  1941 				g_RootMenu.ConsolePrint("[SM] Listing %d plugin%s:", GetPluginCount(), (plnum > 1) ? "s" : "");

  1942 			}

  1944 			CPlugin *pl;

  1945 			SourceHook::List<CPlugin *>::iterator iter;

  1946 			SourceHook::List<CPlugin *> m_FailList;

  1948 			for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++, id++)

  1949 			{

  1950 				pl = (*iter);

  1951 				assert(pl->GetStatus() != Plugin_Created);

  1952 				int len = 0;

  1953 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1954 				if (pl->GetStatus() != Plugin_Running)

  1955 				{

  1956 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1958 					if (pl->GetStatus() <= Plugin_Error)

  1959 					{

  1960 						/* Plugin has failed to load. */

  1961 						m_FailList.push_back(pl);

  1962 					}

  1963 				}

  1964 				else

  1965 				{

  1966 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d", id);

  1967 				}

  1968 				if (pl->GetStatus() < Plugin_Created)

  1969 				{

  1970 					len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1971 					if (IS_STR_FILLED(info->version))

  1972 					{

  1973 						len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  1974 					}

  1975 					if (IS_STR_FILLED(info->author))

  1976 					{

  1977 						UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  1978 					}

  1979 				}

  1980 				else

  1981 				{

  1982 					UTIL_Format(&buffer[len], sizeof(buffer)-len, " %s", pl->m_filename);

  1983 				}

  1984 				g_RootMenu.ConsolePrint("%s", buffer);

  1985 			}

  1987 			if (!m_FailList.empty())

  1988 			{

  1989 				g_RootMenu.ConsolePrint("Load Errors:");

  1991 				SourceHook::List<CPlugin *>::iterator _iter;

  1993 				CPlugin *pl;

  1995 				for (_iter=m_FailList.begin(); _iter!=m_FailList.end(); _iter++)

  1996 				{

  1997 					pl = (CPlugin *)*_iter;

  1998 					g_RootMenu.ConsolePrint("%s: %s",(IS_STR_FILLED(pl->GetPublicInfo()->name)) ? pl->GetPublicInfo()->name : pl->GetFilename(), pl->m_errormsg);

  1999 				}

  2000 			}

  2002 			return;

  2003 		}

  2004 		else if (strcmp(cmd, "load") == 0)

  2005 		{

  2006 			if (argcount < 4)

  2007 			{

  2008 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins load <file>");

  2009 				return;

  2010 			}

  2012 			char error[128];

  2013 			bool wasloaded;

  2014 			const char *filename = command.Arg(3);

  2016 			char pluginfile[256];

  2017 			const char *ext = g_LibSys.GetFileExtension(filename) ? "" : ".smx";

  2018 			UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", filename, ext);

  2020 			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  2022 			if (wasloaded)

  2023 			{

  2024 				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);

  2025 				return;

  2026 			}

  2028 			if (pl)

  2029 			{

  2030 				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);

  2031 			}

  2032 			else

  2033 			{

  2034 				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);

  2035 			}

  2037 			return;

  2038 		}

  2039 		else if (strcmp(cmd, "unload") == 0)

  2040 		{

  2041 			if (argcount < 4)

  2042 			{

  2043 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins unload <#|file>");

  2044 				return;

  2045 			}

  2047 			CPlugin *pl;

  2048 			char *end;

  2049 			const char *arg = command.Arg(3);

  2050 			int id = strtol(arg, &end, 10);

  2052 			if (*end == '\0')

  2053 			{

  2054 				pl = GetPluginByOrder(id);

  2055 				if (!pl)

  2056 				{

  2057 					g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", id);

  2058 					return;

  2059 				}

  2060 			}

  2061 			else

  2062 			{

  2063 				char pluginfile[256];

  2064 				const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2065 				UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2067 				if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2068 				{

  2069 					g_RootMenu.ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2070 					return;

  2071 				}

  2072 			}

  2074 			char name[PLATFORM_MAX_PATH];

  2076 			if (pl->GetStatus() < Plugin_Created)

  2077 			{

  2078 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  2079 				UTIL_Format(name, sizeof(name), (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2080 			}

  2081 			else

  2082 			{

  2083 				UTIL_Format(name, sizeof(name), "%s", pl->GetFilename());

  2084 			}

  2086 			if (UnloadPlugin(pl))

  2087 			{

  2088 				g_RootMenu.ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  2089 			}

  2090 			else

  2091 			{

  2092 				g_RootMenu.ConsolePrint("[SM] Failed to unload plugin %s.", name);

  2093 			}

  2095 			return;

  2096 		}

  2097 		else if (strcmp(cmd, "unload_all") == 0)

  2098 		{

  2099 			g_PluginSys.UnloadAll();

  2100 			g_RootMenu.ConsolePrint("[SM] All plugins have been unloaded.");

  2101 			return;

  2102 		}

  2103 		else if (strcmp(cmd, "load_lock") == 0)

  2104 		{

  2105 			if (m_LoadingLocked)

  2106 			{

  2107 				g_RootMenu.ConsolePrint("[SM] There is already a loading lock in effect.");

  2108 			}

  2109 			else

  2110 			{

  2111 				m_LoadingLocked = true;

  2112 				g_RootMenu.ConsolePrint("[SM] Loading is now locked; no plugins will be loaded or re-loaded.");

  2113 			}

  2114 			return;

  2115 		}

  2116 		else if (strcmp(cmd, "load_unlock") == 0)

  2117 		{

  2118 			if (m_LoadingLocked)

  2119 			{

  2120 				m_LoadingLocked = false;

  2121 				g_RootMenu.ConsolePrint("[SM] The loading lock is no longer in effect.");

  2122 			}

  2123 			else

  2124 			{

  2125 				g_RootMenu.ConsolePrint("[SM] There was no loading lock in effect.");

  2126 			}

  2127 			return;

  2128 		}

  2129 		else if (strcmp(cmd, "info") == 0)

  2130 		{

  2131 			if (argcount < 4)

  2132 			{

  2133 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins info <#>");

  2134 				return;

  2135 			}

  2137 			CPlugin *pl;

  2138 			char *end;

  2139 			const char *arg = command.Arg(3);

  2140 			int id = strtol(arg, &end, 10);

  2142 			if (*end == '\0')

  2143 			{

  2144 				pl = GetPluginByOrder(id);

  2145 				if (!pl)

  2146 				{

  2147 					g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", id);

  2148 					return;

  2149 				}

  2150 			}

  2151 			else

  2152 			{

  2153 				char pluginfile[256];

  2154 				const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2155 				UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2157 				if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2158 				{

  2159 					g_RootMenu.ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2160 					return;

  2161 				}

  2162 			}

  2164 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2166 			g_RootMenu.ConsolePrint("  Filename: %s", pl->GetFilename());

  2167 			if (pl->GetStatus() <= Plugin_Error)

  2168 			{

  2169 				if (IS_STR_FILLED(info->name))

  2170 				{

  2171 					if (IS_STR_FILLED(info->description))

  2172 					{

  2173 						g_RootMenu.ConsolePrint("  Title: %s (%s)", info->name, info->description);

  2174 					} else {

  2175 						g_RootMenu.ConsolePrint("  Title: %s", info->name);

  2176 					}

  2177 				}

  2178 				if (IS_STR_FILLED(info->author))

  2179 				{

  2180 					g_RootMenu.ConsolePrint("  Author: %s", info->author);

  2181 				}

  2182 				if (IS_STR_FILLED(info->version))

  2183 				{

  2184 					g_RootMenu.ConsolePrint("  Version: %s", info->version);

  2185 				}

  2186 				if (IS_STR_FILLED(info->url))

  2187 				{

  2188 					g_RootMenu.ConsolePrint("  URL: %s", info->url);

  2189 				}

  2190 				if (pl->GetStatus() == Plugin_Error)

  2191 				{

  2192 					g_RootMenu.ConsolePrint("  Error: %s", pl->m_errormsg);

  2193 				}

  2194 				else

  2195 				{

  2196 					if (pl->GetStatus() == Plugin_Running)

  2197 					{

  2198 						g_RootMenu.ConsolePrint("  Status: running");

  2199 					}

  2200 					else

  2201 					{

  2202 						g_RootMenu.ConsolePrint("  Status: not running");

  2203 					}

  2205 					const char *typestr = "";

  2206 					switch (pl->GetType())

  2207 					{

  2208 					case PluginType_MapUpdated:

  2209 						typestr = "Map Change if Updated";

  2210 						break;

  2211 					case PluginType_MapOnly:

  2212 						typestr = "Map Change";

  2213 						break;

  2214 					case PluginType_Private:

  2215 					case PluginType_Global:

  2216 						typestr = "Never";

  2217 						break;

  2218 					}

  2220 					g_RootMenu.ConsolePrint("  Reloads: %s", typestr);

  2221 				}

  2222 				if (pl->m_FileVersion >= 3)

  2223 				{

  2224 					g_RootMenu.ConsolePrint("  Timestamp: %s", pl->m_DateTime);

  2225 				}

  2226 			}

  2227 			else

  2228 			{

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

  2230 				if (pl->GetStatus() < Plugin_Created)

  2231 				{

  2232 					g_RootMenu.ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  2233 											info->name ? info->name : "<none>",

  2234 											info->version ? info->version : "<none>");

  2235 					if (IS_STR_FILLED(info->url))

  2236 					{

  2237 						g_RootMenu.ConsolePrint("  File URL: %s", info->url);

  2238 					}

  2239 				}

  2240 			}

  2242 			return;

  2243 		}

  2244 		else if (strcmp(cmd, "refresh") == 0)

  2245 		{

  2246 			g_SourceMod.DoGlobalPluginLoads();

  2247 			g_RootMenu.ConsolePrint("[SM] The plugin list has been refreshed and reloaded.");

  2248 			return;

  2249 		}

  2250 		else if (strcmp(cmd, "reload") == 0)

  2251 		{

  2252 			if (argcount < 4)

  2253 			{

  2254 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins reload <#|file>");

  2255 				return;

  2256 			}

  2258 			CPlugin *pl;

  2259 			char *end;

  2260 			const char *arg = command.Arg(3);

  2261 			int id = strtol(arg, &end, 10);

  2263 			if (*end == '\0')

  2264 			{

  2265 				pl = GetPluginByOrder(id);

  2266 				if (!pl)

  2267 				{

  2268 					g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", id);

  2269 					return;

  2270 				}

  2271 			}

  2272 			else

  2273 			{

  2274 				char pluginfile[256];

  2275 				const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2276 				UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2278 				if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2279 				{

  2280 					g_RootMenu.ConsolePrint("[SM] Plugin %s is not loaded.", pluginfile);

  2281 					return;

  2282 				}

  2283 			}

  2285 			char name[PLATFORM_MAX_PATH];

  2286 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2287 			strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2289 			if (ReloadPlugin(pl))

  2290 			{

  2291 				g_RootMenu.ConsolePrint("[SM] Plugin %s reloaded successfully.", name);

  2292 			}

  2293 			else

  2294 			{

  2295 				g_RootMenu.ConsolePrint("[SM] Failed to reload plugin %s.", name);

  2296 			}

  2298 			return;

  2299 		}

  2300 	}

  2302 	/* Draw the main menu */

  2303 	g_RootMenu.ConsolePrint("SourceMod Plugins Menu:");

  2304 	g_RootMenu.DrawGenericOption("info", "Information about a plugin");

  2305 	g_RootMenu.DrawGenericOption("list", "Show loaded plugins");

  2306 	g_RootMenu.DrawGenericOption("load", "Load a plugin");

  2307 	g_RootMenu.DrawGenericOption("load_lock", "Prevents any more plugins from being loaded");

  2308 	g_RootMenu.DrawGenericOption("load_unlock", "Re-enables plugin loading");

  2309 	g_RootMenu.DrawGenericOption("refresh", "Reloads/refreshes all plugins in the plugins folder");

  2310 	g_RootMenu.DrawGenericOption("reload", "Reloads a plugin");

  2311 	g_RootMenu.DrawGenericOption("unload", "Unload a plugin");

  2312 	g_RootMenu.DrawGenericOption("unload_all", "Unloads all plugins");

  2313 }

  2315 bool CPluginManager::ReloadPlugin(CPlugin *pl)

  2316 {

  2317 	List<CPlugin *>::iterator iter;

  2318 	char filename[PLATFORM_MAX_PATH];

  2319 	bool wasloaded;

  2320 	PluginType ptype;

  2321 	IPlugin *newpl;

  2322 	int id = 1;

  2324 	strcpy(filename, pl->m_filename);

  2325 	ptype = pl->GetType();

  2327 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++, id++)

  2328 	{

  2329 		if ((*iter) == pl)

  2330 		{

  2331 			break;

  2332 		}

  2333 	}

  2335 	if (!UnloadPlugin(pl))

  2336 	{

  2337 		return false;

  2338 	}

  2339 	if (!(newpl=LoadPlugin(filename, true, ptype, NULL, 0, &wasloaded)))

  2340 	{

  2341 		return false;

  2342 	}

  2344 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2345 	{

  2346 		if ((*iter) == (CPlugin *)newpl)

  2347 		{

  2348 			m_plugins.erase(iter);

  2349 			break;

  2350 		}

  2351 	}

  2353 	int i;

  2354 	for (i=1, iter=m_plugins.begin(); iter!=m_plugins.end() && i<id; iter++, i++)

  2355 	{

  2356 	}

  2357 	m_plugins.insert(iter, (CPlugin *)newpl);

  2359 	return true;

  2360 }

  2362 void CPluginManager::ReloadOrUnloadPlugins()

  2363 {

  2364 	/* If we're in a load lock, just skip this whole bit. */

  2365 	if (m_LoadingLocked)

  2366 	{

  2367 		return;

  2368 	}

  2370 	List<CPlugin *>::iterator iter;

  2371 	List<CPlugin *> tmp_list = m_plugins;

  2372 	CPlugin *pl;

  2373 	time_t t;

  2375 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  2376 	{

  2377 		pl = (*iter);

  2378 		if (pl->GetType() ==  PluginType_MapOnly)

  2379 		{

  2380 			UnloadPlugin((IPlugin *)pl);

  2381 		}

  2382 		else if (pl->GetType() == PluginType_MapUpdated)

  2383 		{

  2384 			t = pl->GetFileTimeStamp();

  2385 			if (!t || t > pl->GetTimeStamp())

  2386 			{

  2387 				pl->SetTimeStamp(t);

  2388 				UnloadPlugin((IPlugin *)pl);

  2389 			}

  2390 		}

  2391 	}

  2392 }

  2394 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  2395 {

  2396 	List<IPluginsListener *>::iterator iter;

  2397 	IPluginsListener *pListener;

  2398 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  2399 	{

  2400 		pListener = (*iter);

  2401 		pListener->OnPluginPauseChange(pl, paused);

  2402 	}

  2403 }

  2405 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  2406 {

  2407 	List<CPlugin *>::iterator iter;

  2408 	CPlugin *pPlugin;

  2409 	IPluginFunction *pFunction;

  2411 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2412 	{

  2413 		pPlugin = (*iter);

  2415 		if (pPlugin->GetStatus() <= Plugin_Paused)

  2416 		{

  2417 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  2419 			if (pFunction)

  2420 			{

  2421 				pForward->AddFunction(pFunction);

  2422 			}

  2423 		}

  2424 	}

  2425 }

  2427 CPlugin *CPluginManager::GetPluginFromIdentity(IdentityToken_t *pToken)

  2428 {

  2429 	if (pToken->type != g_PluginIdent)

  2430 	{

  2431 		return NULL;

  2432 	}

  2434 	return (CPlugin *)(pToken->ptr);

  2435 }

  2437 void CPluginManager::OnLibraryAction(const char *lib, bool is_a_plugin, bool drop)

  2438 {

  2439 	List<CPlugin *>::iterator iter;

  2441 	struct _pl

  2442 	{

  2443 		cell_t name;

  2444 		cell_t file;

  2445 		cell_t required;

  2446 	} *plc;

  2448 	struct _ext

  2449 	{

  2450 		cell_t name;

  2451 		cell_t file;

  2452 		cell_t autoload;

  2453 		cell_t required;

  2454 	} *ext;

  2456 	const char *name = drop ? "OnLibraryRemoved" : "OnLibraryAdded";

  2458 	for (iter=m_plugins.begin();

  2459 		 iter!=m_plugins.end();

  2460 		 iter++)

  2461 	{

  2462 		CPlugin *pl = (*iter);

  2463 		if (pl->GetStatus() != Plugin_Running)

  2464 		{

  2465 			continue;

  2466 		}

  2467 		IPluginContext *pContext = pl->GetBaseContext();

  2468 		IPluginFunction *pf = pContext->GetFunctionByName(name);

  2469 		if (!pf)

  2470 		{

  2471 			continue;

  2472 		}

  2473 		uint32_t num_vars = pContext->GetPubVarsNum();

  2474 		for (uint32_t i=0; i<num_vars; i++)

  2475 		{

  2476 			sp_pubvar_t *pubvar;

  2477 			if (pContext->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  2478 			{

  2479 				continue;

  2480 			}

  2481 			if (is_a_plugin && strncmp(pubvar->name, "__pl_", 5) == 0)

  2482 			{

  2483 				plc = (_pl *)pubvar->offs;

  2484 				if (plc->required)

  2485 				{

  2486 					continue;

  2487 				}

  2488 				char *str;

  2489 				pContext->LocalToString(plc->name, &str);

  2490 				if (strcmp(str, lib) != 0)

  2491 				{

  2492 					continue;

  2493 				}

  2494 				pf->PushString(lib);

  2495 				pf->Execute(NULL);

  2496 			}

  2497 			else if (!is_a_plugin && strncmp(pubvar->name, "__ext_", 6) == 0)

  2498 			{

  2499 				ext = (_ext *)pubvar->offs;

  2500 				if (ext->required)

  2501 				{

  2502 					continue;

  2503 				}

  2504 				char *str;

  2505 				pContext->LocalToString(ext->name, &str);

  2506 				if (strcmp(str, lib) != 0)

  2507 				{

  2508 					continue;

  2509 				}

  2510 				pf->PushString(lib);

  2511 				pf->Execute(NULL);

  2512 			}

  2513 		}

  2514 	}

  2515 }

  2517 bool CPluginManager::LibraryExists(const char *lib)

  2518 {

  2519 	List<CPlugin *>::iterator iter;

  2521 	for (iter=m_plugins.begin();

  2522 		 iter!=m_plugins.end();

  2523 		 iter++)

  2524 	{

  2525 		CPlugin *pl = (*iter);

  2526 		if (pl->GetStatus() != Plugin_Running)

  2527 		{

  2528 			continue;

  2529 		}

  2530 		List<String>::iterator s_iter;

  2531 		for (s_iter = pl->m_Libraries.begin();

  2532 			 s_iter != pl->m_Libraries.end();

  2533 			 s_iter++)

  2534 		{

  2535 			if ((*s_iter).compare(lib) == 0)

  2536 			{

  2537 				return true;

  2538 			}

  2539 		}

  2540 	}

  2542 	return false;

  2543 }

  2545 void CPluginManager::AllPluginsLoaded()

  2546 {

  2547 	List<CPlugin *>::iterator iter;

  2548 	CPlugin *pl;

  2550 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2551 	{

  2552 		pl = (*iter);

  2553 		pl->Call_OnAllPluginsLoaded();

  2554 	}

  2555 }

  2557 void CPluginManager::UnloadAll()

  2558 {

  2559 	List<CPlugin *>::iterator iter;

  2560 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  2561 	{

  2562 		UnloadPlugin((*iter));

  2563 	}

  2564 }

  2566 int CPluginManager::GetOrderOfPlugin(IPlugin *pl)

  2567 {

  2568 	int id = 1;

  2569 	List<CPlugin *>::iterator iter;

  2571 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++, id++)

  2572 	{

  2573 		if ((*iter) == pl)

  2574 		{

  2575 			return id;

  2576 		}

  2577 	}

  2579 	return -1;

  2580 }

  2582 CPlugin *CPluginManager::FindPluginByConsoleArg(const char *arg)

  2583 {

  2584 	int id;

  2585 	char *end;

  2586 	CPlugin *pl;

  2588 	id = strtol(arg, &end, 10);

  2590 	if (*end == '\0')

  2591 	{

  2592 		pl = GetPluginByOrder(id);

  2593 		if (!pl)

  2594 		{

  2595 			return NULL;

  2596 		}

  2597 	}

  2598 	else

  2599 	{

  2600 		char pluginfile[256];

  2601 		const char *ext = g_LibSys.GetFileExtension(arg) ? "" : ".smx";

  2602 		UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", arg, ext);

  2604 		if (!sm_trie_retrieve(m_LoadLookup, pluginfile, (void **)&pl))

  2605 		{

  2606 			return NULL;

  2607 		}

  2608 	}

  2610 	return pl;

  2611 }

  2613 void CPluginManager::OnSourceModMaxPlayersChanged(int newvalue)

  2614 {

  2615 	SyncMaxClients(newvalue);

  2616 }

  2618 void CPluginManager::SyncMaxClients(int max_clients)

  2619 {

  2620 	List<CPlugin *>::iterator iter;

  2622 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2623 	{

  2624 		(*iter)->SyncMaxClients(max_clients);

  2625 	}

  2626 }

author	David Anderson <dvander@alliedmods.net>
	Wed Feb 25 20:25:20 2009 -0500 (2009-02-25)
changeset 2613	46c76edb0875
parent 2411	8dfaa3d730b5
child 2547	5917289f3c73
permissions	-rw-r--r--