sourcemod-central: core/systems/PluginSys.cpp@17badaf66ce4

     1 /**

     2  * vim: set ts=4 :

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

     4  * SourceMod

     5  * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.

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

     7  *

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

     9  * modify it under the terms of the GNU General Public License,

    10  * version 3.0, as published by the Free Software Foundation.

    11  *

    12  * This program is distributed in the hope that it will be useful,

    13  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    15  * GNU General Public License for more details.

    16  *

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

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

    19  *

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

    21  * link the code of this program (as well as its derivative works) to

    22  * "Half-Life 2," the "Source Engine," the "SourcePawn JIT," and any

    23  * Game MODs that run on software by the Valve Corporation.  You must

    24  * obey the GNU General Public License in all respects for all other

    25  * code used. Additionally, AlliedModders LLC grants this exception

    26  * to all derivative works. AlliedModders LLC defines further

    27  * exceptions, found in LICENSE.txt (as of this writing, version

    28  * JULY-31-2007), or <http://www.sourcemod.net/license.php>.

    29  *

    30  * Version: $Id$

    31  */

    33 #include <stdio.h>

    34 #include "PluginSys.h"

    35 #include "ShareSys.h"

    36 #include "LibrarySys.h"

    37 #include "HandleSys.h"

    38 #include "ForwardSys.h"

    39 #include "sourcemm_api.h"

    40 #include "sourcemod.h"

    41 #include "TextParsers.h"

    42 #include "Logger.h"

    43 #include "ExtensionSys.h"

    44 #include "sm_srvcmds.h"

    45 #include "sm_stringutil.h"

    46 #include "ConCmdManager.h"

    47 #include "PlayerManager.h"

    48 #include "CoreConfig.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_plugin = 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 }

    71 CPlugin::~CPlugin()

    72 {

    73 	if (m_handle)

    74 	{

    75 		HandleSecurity sec;

    76 		sec.pOwner = g_PluginSys.GetIdentity();

    77 		sec.pIdentity = sec.pOwner;

    79 		g_HandleSys.FreeHandle(m_handle, &sec);

    80 		g_ShareSys.DestroyIdentity(m_ident);

    81 	}

    83 	if (m_ctx.base)

    84 	{

    85 		delete m_ctx.base;

    86 		m_ctx.base = NULL;

    87 	}

    88 	if (m_ctx.ctx)

    89 	{

    90 		m_ctx.vm->FreeContext(m_ctx.ctx);

    91 		m_ctx.ctx = NULL;

    92 	}

    93 	if (m_ctx.co)

    94 	{

    95 		m_ctx.vm->AbortCompilation(m_ctx.co);

    96 		m_ctx.co = NULL;

    97 	}

    99 	if (m_plugin)

   100 	{

   101 		g_pSourcePawn->FreeFromMemory(m_plugin);

   102 		m_plugin = NULL;

   103 	}

   104 	if (m_pProps)

   105 	{

   106 		sm_trie_destroy(m_pProps);

   107 	}

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

   109 	{

   110 		delete m_configs[i];

   111 	}

   112 	m_configs.clear();

   113 }

   115 void CPlugin::InitIdentity()

   116 {

   117 	if (!m_handle)

   118 	{

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

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

   121 		m_ctx.base->SetIdentity(m_ident);

   122 	}

   123 }

   125 Handle_t CPlugin::GetMyHandle()

   126 {

   127 	return m_handle;

   128 }

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

   131 {

   132 	char fullpath[PLATFORM_MAX_PATH];

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

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

   136 	CPlugin *pPlugin = new CPlugin(file);

   138 	if (!fp)

   139 	{

   140 		if (error)

   141 		{

   142 			snprintf(error, maxlength, "Unable to open file");

   143 		}

   144 		pPlugin->m_status = Plugin_BadLoad;

   145 		return pPlugin;

   146 	}

   148 	int err;

   149 	sp_plugin_t *pl = g_pSourcePawn->LoadFromFilePointer(fp, &err);

   150 	if (pl == NULL)

   151 	{

   152 		fclose(fp);

   153 		if (error)

   154 		{

   155 			snprintf(error, maxlength, "Error %d while parsing plugin", err);

   156 		}

   157 		pPlugin->m_status = Plugin_BadLoad;

   158 		return pPlugin;

   159 	}

   161 	fclose(fp);

   163 	pPlugin->m_plugin = pl;

   165 	return pPlugin;

   166 }

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

   169 {

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

   172 	if (exists && remove)

   173 	{

   174 		sm_trie_delete(m_pProps, prop);

   175 	}

   177 	return exists;

   178 }

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

   181 {

   182 	return sm_trie_insert(m_pProps, prop, ptr);

   183 }

   185 ICompilation *CPlugin::StartMyCompile(IVirtualMachine *vm)

   186 {

   187 	if (!m_plugin)

   188 	{

   189 		return NULL;

   190 	}

   192 	/* :NOTICE: We will eventually need to change these natives

   193 	 * for swapping in new contexts

   194 	 */

   195 	if (m_ctx.co || m_ctx.ctx)

   196 	{

   197 		return NULL;

   198 	}

   200 	m_status = Plugin_Uncompiled;

   202 	m_ctx.vm = vm;

   203 	m_ctx.co = vm->StartCompilation(m_plugin);

   205 	return m_ctx.co;

   206 }

   208 void CPlugin::CancelMyCompile()

   209 {

   210 	if (!m_ctx.co)

   211 	{

   212 		return;

   213 	}

   215 	m_ctx.vm->AbortCompilation(m_ctx.co);

   216 	m_ctx.co = NULL;

   217 	m_ctx.vm = NULL;

   218 }

   220 bool CPlugin::FinishMyCompile(char *error, size_t maxlength)

   221 {

   222 	if (!m_ctx.co)

   223 	{

   224 		return false;

   225 	}

   227 	int err;

   228 	m_ctx.ctx = m_ctx.vm->CompileToContext(m_ctx.co, &err);

   229 	if (!m_ctx.ctx)

   230 	{

   231 		memset(&m_ctx, 0, sizeof(m_ctx));

   232 		if (error)

   233 		{

   234 			snprintf(error, maxlength, "JIT failed to compile (error %d)", err);

   235 		}

   236 		return false;

   237 	}

   239 	m_ctx.base = new BaseContext(m_ctx.ctx);

   240 	m_ctx.ctx->user[SM_CONTEXTVAR_MYSELF] = (void *)this;

   242 	m_status = Plugin_Created;

   243 	m_ctx.co = NULL;

   245 	UpdateInfo();

   247 	return true;

   248 }

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

   251 {

   252 	PluginStatus old_status = m_status;

   253 	m_status = status;

   255 	if (old_status == Plugin_Running)

   256 	{

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

   258 		g_PluginSys._SetPauseState(this, true);

   259 	}

   261 	va_list ap;

   262 	va_start(ap, error_fmt);

   263 	vsnprintf(m_errormsg, sizeof(m_errormsg), error_fmt, ap);

   264 	va_end(ap);

   266 	if (m_ctx.ctx)

   267 	{

   268 		m_ctx.ctx->flags |= SPFLAG_PLUGIN_PAUSED;

   269 	}

   270 }

   272 void CPlugin::UpdateInfo()

   273 {

   274 	/* Now grab the info */

   275 	uint32_t idx;

   276 	IPluginContext *base = GetBaseContext();

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

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

   281 	if (err == SP_ERROR_NONE)

   282 	{

   283 		struct sm_plugininfo_c_t

   284 		{

   285 			cell_t name;

   286 			cell_t description;

   287 			cell_t author;

   288 			cell_t version;

   289 			cell_t url;

   290 		};

   291 		sm_plugininfo_c_t *cinfo;

   292 		cell_t local_addr;

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

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

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

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

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

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

   300 	}

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

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

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

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

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

   307 }

   309 void CPlugin::Call_OnPluginStart()

   310 {

   311 	if (m_status != Plugin_Loaded)

   312 	{

   313 		return;

   314 	}

   316 	m_status = Plugin_Running;

   318 	cell_t result;

   319 	IPluginFunction *pFunction = m_ctx.base->GetFunctionByName("OnPluginStart");

   320 	if (!pFunction)

   321 	{

   322 		return;

   323 	}

   325 	int err;

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

   327 	{

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

   329 	} else {

   330 		if (g_OnMapStarted)

   331 		{

   332 			if ((pFunction = m_ctx.base->GetFunctionByName("OnMapStart")) != NULL)

   333 			{

   334 				pFunction->Execute(NULL);

   335 			}

   336 		}

   337 		if (SM_AreConfigsExecuted())

   338 		{

   339 			SM_ExecuteForPlugin(GetBaseContext());

   340 		}

   341 	}

   342 }

   344 void CPlugin::Call_OnPluginEnd()

   345 {

   346 	if (m_status > Plugin_Paused)

   347 	{

   348 		return;

   349 	}

   351 	cell_t result;

   352 	IPluginFunction *pFunction = m_ctx.base->GetFunctionByName("OnPluginEnd");

   353 	if (!pFunction)

   354 	{

   355 		return;

   356 	}

   358 	pFunction->Execute(&result);

   359 }

   361 void CPlugin::Call_OnAllPluginsLoaded()

   362 {

   363 	if (m_status > Plugin_Paused)

   364 	{

   365 		return;

   366 	}

   368 	cell_t result;

   369 	IPluginFunction *pFunction = m_ctx.base->GetFunctionByName("OnAllPluginsLoaded");

   370 	if (!pFunction)

   371 	{

   372 		return;

   373 	}

   375 	pFunction->Execute(&result);

   376 }

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

   379 {

   380 	if (m_status != Plugin_Created)

   381 	{

   382 		return false;

   383 	}

   385 	m_status = Plugin_Loaded;

   387 	int err;

   388 	cell_t result;

   389 	IPluginFunction *pFunction = m_ctx.base->GetFunctionByName("AskPluginLoad");

   391 	if (!pFunction)

   392 	{

   393 		return true;

   394 	}

   396 	pFunction->PushCell(m_handle);

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

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

   399 	pFunction->PushCell(maxlength);

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

   401 	{

   402 		return false;

   403 	}

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

   406 	{

   407 		return false;

   408 	}

   410 	return true;

   411 }

   413 const sp_plugin_t *CPlugin::GetPluginStructure()

   414 {

   415 	return m_plugin;

   416 }

   418 IPluginContext *CPlugin::GetBaseContext()

   419 {

   420 	return m_ctx.base;

   421 }

   423 sp_context_t *CPlugin::GetContext()

   424 {

   425 	return m_ctx.ctx;

   426 }

   428 const char *CPlugin::GetFilename()

   429 {

   430 	return m_filename;

   431 }

   433 PluginType CPlugin::GetType()

   434 {

   435 	return m_type;

   436 }

   438 const sm_plugininfo_t *CPlugin::GetPublicInfo()

   439 {

   440 	return &m_info;

   441 }

   443 unsigned int CPlugin::GetSerial()

   444 {

   445 	return m_serial;

   446 }

   448 PluginStatus CPlugin::GetStatus()

   449 {

   450 	return m_status;

   451 }

   453 bool CPlugin::IsDebugging()

   454 {

   455 	if (!m_ctx.ctx)

   456 	{

   457 		return false;

   458 	}

   460 	return ((m_ctx.ctx->flags & SP_FLAG_DEBUG) == SP_FLAG_DEBUG);

   461 }

   463 void CPlugin::LibraryActions(bool dropping)

   464 {

   465 	List<String>::iterator iter;

   466 	for (iter = m_Libraries.begin();

   467 		iter != m_Libraries.end();

   468 		iter++)

   469 	{

   470 		g_PluginSys.OnLibraryAction((*iter).c_str(), dropping);

   471 	}

   472 }

   474 bool CPlugin::SetPauseState(bool paused)

   475 {

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

   477 	{

   478 		return false;

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

   480 		return false;

   481 	}

   483 	if (paused)

   484 	{

   485 		LibraryActions(true);

   486 	}

   488 	IPluginFunction *pFunction = m_ctx.base->GetFunctionByName("OnPluginPauseChange");

   489 	if (pFunction)

   490 	{

   491 		cell_t result;

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

   493 		pFunction->Execute(&result);

   494 	}

   496 	if (paused)

   497 	{

   498 		m_status = Plugin_Paused;

   499 		m_ctx.ctx->flags |= SPFLAG_PLUGIN_PAUSED;

   500 	} else {

   501 		m_status = Plugin_Running;

   502 		m_ctx.ctx->flags &= ~SPFLAG_PLUGIN_PAUSED;

   503 	}

   505 	g_PluginSys._SetPauseState(this, paused);

   507 	if (!paused)

   508 	{

   509 		LibraryActions(false);

   510 	}

   512 	return true;

   513 }

   515 IdentityToken_t *CPlugin::GetIdentity()

   516 {

   517 	return m_ident;

   518 }

   520 bool CPlugin::ToggleDebugMode(bool debug, char *error, size_t maxlength)

   521 {

   522 	int err;

   524 	if (!IsRunnable())

   525 	{

   526 		if (error)

   527 		{

   528 			snprintf(error, maxlength, "Plugin is not runnable.");

   529 		}

   530 		return false;

   531 	}

   533 	if (debug && IsDebugging())

   534 	{

   535 		if (error)

   536 		{

   537 			snprintf(error, maxlength, "Plugin is already in debug mode.");

   538 		}

   539 		return false;

   540 	} else if (!debug && !IsDebugging()) {

   541 		if (error)

   542 		{

   543 			snprintf(error, maxlength, "Plugins is already in production mode.");

   544 		}

   545 		return false;

   546 	}

   548 	ICompilation *co = g_pVM->StartCompilation(m_ctx.ctx->plugin);

   549 	if (!g_pVM->SetCompilationOption(co, "debug", (debug) ? "1" : "0"))

   550 	{

   551 		if (error)

   552 		{

   553 			snprintf(error, maxlength, "Failed to change plugin mode (JIT failure).");

   554 		}

   555 		return false;

   556 	}

   558 	sp_context_t *new_ctx = g_pVM->CompileToContext(co, &err);

   560 	if (new_ctx)

   561 	{

   562 		memcpy(new_ctx->memory, m_ctx.ctx->memory, m_ctx.ctx->mem_size);

   563 		new_ctx->hp = m_ctx.ctx->hp;

   564 		new_ctx->sp = m_ctx.ctx->sp;

   565 		new_ctx->frm = m_ctx.ctx->frm;

   566 		new_ctx->dbreak = m_ctx.ctx->dbreak;

   567 		new_ctx->context = m_ctx.ctx->context;

   568 		memcpy(new_ctx->user, m_ctx.ctx->user, sizeof(m_ctx.ctx->user));

   570 		uint32_t nativeCount = m_plugin->info.natives_num;

   571 		for (uint32_t i=0; i<nativeCount; i++)

   572 		{

   573 			new_ctx->natives[i].pfn = m_ctx.ctx->natives[i].pfn;

   574 			new_ctx->natives[i].status = m_ctx.ctx->natives[i].status;

   575 		}

   577 		g_pVM->FreeContext(m_ctx.ctx);

   578 		m_ctx.ctx = new_ctx;

   579 		m_ctx.base->SetContext(new_ctx);

   581 		UpdateInfo();

   582 	} else {

   583 		if (error)

   584 		{

   585 			snprintf(error, maxlength, "Failed to recompile plugin (JIT error %d).", err);

   586 		}

   587 		return false;

   588 	}

   590 	return true;

   591 }

   593 bool CPlugin::IsRunnable()

   594 {

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

   596 }

   598 time_t CPlugin::GetFileTimeStamp()

   599 {

   600 	char path[PLATFORM_MAX_PATH];

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

   602 #ifdef PLATFORM_WINDOWS

   603 	struct _stat s;

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

   605 #elif defined PLATFORM_POSIX

   606 	struct stat s;

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

   608 #endif

   609 	{

   610 		return 0;

   611 	} else {

   612 		return s.st_mtime;

   613 	}

   614 }

   616 time_t CPlugin::GetTimeStamp()

   617 {

   618 	return m_LastAccess;

   619 }

   621 void CPlugin::SetTimeStamp(time_t t)

   622 {

   623 	m_LastAccess = t;

   624 }

   626 void CPlugin::AddLangFile(unsigned int index)

   627 {

   628 	m_PhraseFiles.push_back(index);

   629 }

   631 size_t CPlugin::GetLangFileCount()

   632 {

   633 	return m_PhraseFiles.size();

   634 }

   636 unsigned int CPlugin::GetLangFileByIndex(unsigned int index)

   637 {

   638 	return m_PhraseFiles.at(index);

   639 }

   641 void CPlugin::DependencyDropped(CPlugin *pOwner)

   642 {

   643 	if (!m_ctx.ctx)

   644 	{

   645 		return;

   646 	}

   648 	List<String>::iterator reqlib_iter;

   649 	List<String>::iterator lib_iter;

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

   651 	{

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

   653 		{

   654 			if ((*reqlib_iter) == (*lib_iter))

   655 			{

   656 				m_LibraryMissing = true;

   657 			}

   658 		}

   659 	}

   661 	List<FakeNative *>::iterator iter;

   662 	FakeNative *pNative;

   663 	sp_native_t *native;

   664 	uint32_t idx;

   665 	unsigned int unbound = 0;

   667 	for (iter = pOwner->m_fakeNatives.begin();

   668 		 iter != pOwner->m_fakeNatives.end();

   669 		 iter++)

   670 	{

   671 		pNative = (*iter);

   672 		/* Find this native! */

   673 		if (m_ctx.base->FindNativeByName(pNative->name.c_str(), &idx) != SP_ERROR_NONE)

   674 		{

   675 			continue;

   676 		}

   677 		/* Unbind it */

   678 		m_ctx.base->GetNativeByIndex(idx, &native);

   679 		native->pfn = NULL;

   680 		native->status = SP_NATIVE_UNBOUND;

   681 		unbound++;

   682 	}

   684 	if (unbound)

   685 	{

   686 		m_FakeNativesMissing = true;

   687 	}

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

   690 	if (m_FakeNativesMissing || m_LibraryMissing)

   691 	{

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

   693 	}

   695 	m_dependsOn.remove(pOwner);

   696 }

   698 unsigned int CPlugin::GetConfigCount()

   699 {

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

   701 }

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

   704 {

   705 	if (i >= GetConfigCount())

   706 	{

   707 		return NULL;

   708 	}

   710 	return m_configs[i];

   711 }

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

   714 {

   715 	AutoConfig *c = new AutoConfig;

   717 	c->autocfg = cfg;

   718 	c->folder = folder;

   719 	c->create = autoCreate;

   721 	m_configs.push_back(c);

   722 }

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

   725  * PLUGIN ITERATOR *

   726  *******************/

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

   729 {

   730 	mylist = _mylist;

   731 	Reset();

   732 }

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

   735 {

   736 	return (*current);

   737 }

   739 bool CPluginManager::CPluginIterator::MorePlugins()

   740 {

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

   742 }

   744 void CPluginManager::CPluginIterator::NextPlugin()

   745 {

   746 	current++;

   747 }

   749 void CPluginManager::CPluginIterator::Release()

   750 {

   751 	g_PluginSys.ReleaseIterator(this);

   752 }

   754 CPluginManager::CPluginIterator::~CPluginIterator()

   755 {

   756 }

   758 void CPluginManager::CPluginIterator::Reset()

   759 {

   760 	current = mylist->begin();

   761 }

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

   764  * PLUGIN MANAGER *

   765  ******************/

   767 CPluginManager::CPluginManager()

   768 {

   769 	m_LoadLookup = sm_trie_create();

   770 	m_AllPluginsLoaded = false;

   771 	m_MyIdent = NULL;

   772 	m_pNativeLookup = sm_trie_create();

   773 }

   775 CPluginManager::~CPluginManager()

   776 {

   777 	/* :NOTICE:

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

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

   780 	 * will crash anyway.  YAY

   781 	 */

   782 	sm_trie_destroy(m_LoadLookup);

   783 	sm_trie_destroy(m_pNativeLookup);

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

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

   787 	{

   788 		delete (*iter);

   789 	}

   790 	m_iters.popall();

   791 }

   793 void CPluginManager::Shutdown()

   794 {

   795 	List<CPlugin *>::iterator iter;

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

   798 	{

   799 		UnloadPlugin(*iter);

   800 	}

   801 }

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

   804 {

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

   806 	SMCParseError err;

   807 	unsigned int line, col;

   808 	m_AllPluginsLoaded = false;

   809 	if ((err=g_TextParser.ParseFile_SMC(config, &m_PluginInfo, &line, &col)) != SMCParse_Okay)

   810 	{

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

   812 		const char *err_msg = g_TextParser.GetSMCErrorString(err);

   813 		if (err_msg)

   814 		{

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

   816 		}

   817 	}

   819 	LoadPluginsFromDir(basedir, NULL);

   820 }

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

   823 {

   824 	char base_path[PLATFORM_MAX_PATH];

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

   827 	if (localpath == NULL)

   828 	{

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

   830 	} else {

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

   832 	}

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

   836 	if (!dir)

   837 	{

   838 		char error[256];

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

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

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

   842 		return;

   843 	}

   845 	while (dir->MoreFiles())

   846 	{

   847 		if (dir->IsEntryDirectory()

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

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

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

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

   852 		{

   853 			char new_local[PLATFORM_MAX_PATH];

   854 			if (localpath == NULL)

   855 			{

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

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

   858 			} else {

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

   860 			}

   861 			LoadPluginsFromDir(basedir, new_local);

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

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

   864 			size_t len = strlen(name);

   865 			if (len >= 4

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

   867 			{

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

   869 				char plugin[PLATFORM_MAX_PATH];

   870 				if (localpath == NULL)

   871 				{

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

   873 				} else {

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

   875 				}

   876 				LoadAutoPlugin(plugin);

   877 			}

   878 		}

   879 		dir->NextEntry();

   880 	}

   881 	g_LibSys.CloseDirectory(dir);

   882 }

   884 //well i have discovered that gabe newell is very fat, so i wrote this comment now

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

   886 {

   887 	/**

   888 	 * Does this plugin already exist?

   889 	 */

   890 	CPlugin *pPlugin;

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

   892 	{

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

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

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

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

   897 		{

   898 			UnloadPlugin(pPlugin);

   899 		} else {

   900 			if (_plugin)

   901 			{

   902 				*_plugin = pPlugin;

   903 			}

   904 			return LoadRes_AlreadyLoaded;

   905 		}

   906 	}

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

   910 	assert(pPlugin != NULL);

   912 	pPlugin->m_type = PluginType_MapUpdated;

   914 	ICompilation *co = NULL;

   916 	if (pPlugin->m_status == Plugin_Uncompiled)

   917 	{

   918 		co = pPlugin->StartMyCompile(g_pVM);

   919 	}

   921 	PluginSettings *pset;

   922 	unsigned int setcount = m_PluginInfo.GetSettingsNum();

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

   924 	{

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

   926 		{

   927 			continue;

   928 		}

   929 		pPlugin->m_type = pset->type_val;

   930 		if (co)

   931 		{

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

   933 			{

   934 				const char *key, *val;

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

   936 				if (!key || !val)

   937 				{

   938 					continue;

   939 				}

   940 				if (!g_pVM->SetCompilationOption(co, key, val))

   941 				{

   942 					if (error)

   943 					{

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

   945 					}

   946 					pPlugin->CancelMyCompile();

   947 					co = NULL;

   948 					break;

   949 				}

   950 			}

   951 		}

   952 	}

   954 	/* Do the actual compiling */

   955 	if (co)

   956 	{

   957 		pPlugin->FinishMyCompile(error, maxlength);

   958 		co = NULL;

   959 	}

   961 	/* Get the status */

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

   963 	{

   964 		AddCoreNativesToPlugin(pPlugin);

   965 		pPlugin->InitIdentity();

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

   967 		{

   968 			/* Autoload any modules */

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

   970 		} else {

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

   972 		}

   973 	}

   975 	/* Save the time stamp */

   976 	time_t t = pPlugin->GetFileTimeStamp();

   977 	pPlugin->SetTimeStamp(t);

   979 	if (_plugin)

   980 	{

   981 		*_plugin = pPlugin;

   982 	}

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

   985 }

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

   988 {

   989 	CPlugin *pl;

   990 	LoadRes res;

   992 	*wasloaded = false;

   993 	if ((res=_LoadPlugin(&pl, path, debug, type, error, maxlength)) == LoadRes_Failure)

   994 	{

   995 		delete pl;

   996 		return NULL;

   997 	}

   999 	if (res == LoadRes_AlreadyLoaded)

  1000 	{

  1001 		*wasloaded = true;

  1002 		return pl;

  1003 	}

  1005 	AddPlugin(pl);

  1007 	/* Run second pass if we need to */

  1008 	if (IsLateLoadTime() && pl->GetStatus() == Plugin_Loaded)

  1009 	{

  1010 		if (!RunSecondPass(pl, error, maxlength))

  1011 		{

  1012 			UnloadPlugin(pl);

  1013 			return NULL;

  1014 		}

  1015 		pl->Call_OnAllPluginsLoaded();

  1016 	}

  1018 	return pl;

  1019 }

  1021 void CPluginManager::LoadAutoPlugin(const char *plugin)

  1022 {

  1023 	CPlugin *pl;

  1024 	LoadRes res;

  1025 	char error[255] = "Unknown error";

  1027 	if ((res=_LoadPlugin(&pl, plugin, false, PluginType_MapUpdated, error, sizeof(error))) == LoadRes_Failure)

  1028 	{

  1029 		g_Logger.LogError("[SM] Failed to load plugin \"%s\": %s", plugin, error);

  1030 		pl->SetErrorState(Plugin_Failed, "%s", error);

  1031 	}

  1033 	if (res == LoadRes_Successful)

  1034 	{

  1035 		AddPlugin(pl);

  1036 	}

  1037 }

  1039 void CPluginManager::AddPlugin(CPlugin *pPlugin)

  1040 {

  1041 	List<IPluginsListener *>::iterator iter;

  1042 	IPluginsListener *pListener;

  1044 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1045 	{

  1046 		pListener = (*iter);

  1047 		pListener->OnPluginCreated(pPlugin);

  1048 	}

  1050 	m_plugins.push_back(pPlugin);

  1051 	sm_trie_insert(m_LoadLookup, pPlugin->m_filename, pPlugin);

  1052 }

  1054 void CPluginManager::LoadAll_SecondPass()

  1055 {

  1056 	List<CPlugin *>::iterator iter;

  1057 	CPlugin *pPlugin;

  1059 	char error[256];

  1060 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1061 	{

  1062 		pPlugin = (*iter);

  1063 		if (pPlugin->GetStatus() == Plugin_Loaded)

  1064 		{

  1065 			error[0] = '\0';

  1066 			if (!RunSecondPass(pPlugin, error, sizeof(error)))

  1067 			{

  1068 				g_Logger.LogError("[SM] Unable to load plugin \"%s\": %s", pPlugin->GetFilename(), error);

  1069 				pPlugin->SetErrorState(Plugin_Failed, "%s", error);

  1070 			}

  1071 		}

  1072 	}

  1074 	m_AllPluginsLoaded = true;

  1075 }

  1077 bool CPluginManager::FindOrRequirePluginDeps(CPlugin *pPlugin, char *error, size_t maxlength)

  1078 {

  1079 	struct _pl

  1080 	{

  1081 		cell_t name;

  1082 		cell_t file;

  1083 		cell_t required;

  1084 	} *pl;

  1086 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1087 	uint32_t num = pBase->GetPubVarsNum();

  1088 	sp_pubvar_t *pubvar;

  1089 	char *name, *file;

  1090 	char pathfile[PLATFORM_MAX_PATH];

  1092 	for (uint32_t i=0; i<num; i++)

  1093 	{

  1094 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1095 		{

  1096 			continue;

  1097 		}

  1098 		if (strncmp(pubvar->name, "__pl_", 5) == 0)

  1099 		{

  1100 			pl = (_pl *)pubvar->offs;

  1101 			if (pBase->LocalToString(pl->file, &file) != SP_ERROR_NONE)

  1102 			{

  1103 				continue;

  1104 			}

  1105 			if (pBase->LocalToString(pl->name, &name) != SP_ERROR_NONE)

  1106 			{

  1107 				continue;

  1108 			}

  1109 			g_LibSys.GetFileFromPath(pathfile, sizeof(pathfile), pPlugin->GetFilename());

  1110 			if (strcmp(pathfile, file) == 0)

  1111 			{

  1112 				continue;

  1113 			}

  1114 			if (pl->required == false)

  1115 			{

  1116 				IPluginFunction *pFunc;

  1117 				char buffer[64];

  1118 				UTIL_Format(buffer, sizeof(buffer), "__pl_%s_SetNTVOptional", &pubvar->name[5]);

  1119 				if ((pFunc=pBase->GetFunctionByName(buffer)))

  1120 				{

  1121 					cell_t res;

  1122 					pFunc->Execute(&res);

  1123 					if (pPlugin->GetContext()->n_err != SP_ERROR_NONE)

  1124 					{

  1125 						if (error)

  1126 						{

  1127 							snprintf(error, maxlength, "Fatal error during initializing plugin load");

  1128 						}

  1129 						return false;

  1130 					}

  1131 				}

  1132 			} else {

  1133 				/* Check that we aren't registering the same library twice */

  1134 				if (pPlugin->m_RequiredLibs.find(name) == pPlugin->m_RequiredLibs.end())

  1135 				{

  1136 					pPlugin->m_RequiredLibs.push_back(name);

  1137 				} else {

  1138 					continue;

  1139 				}

  1140 				List<CPlugin *>::iterator iter;

  1141 				CPlugin *pl;

  1142 				bool found = false;

  1143 				for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  1144 				{

  1145 					pl = (*iter);

  1146 					if (pl->m_Libraries.find(name) != pl->m_Libraries.end())

  1147 					{

  1148 						found = true;

  1149 						break;

  1150 					}

  1151 				}

  1152 				if (!found)

  1153 				{

  1154 					if (error)

  1155 					{

  1156 						snprintf(error, maxlength, "Could not find required plugin \"%s\"", name);

  1157 					}

  1158 					return false;

  1159 				}

  1160 			}

  1161 		}

  1162 	}

  1164 	return true;

  1165 }

  1167 bool CPluginManager::LoadOrRequireExtensions(CPlugin *pPlugin, unsigned int pass, char *error, size_t maxlength)

  1168 {

  1169 	/* Find any extensions this plugin needs */

  1170 	struct _ext

  1171 	{

  1172 		cell_t name;

  1173 		cell_t file;

  1174 		cell_t autoload;

  1175 		cell_t required;

  1176 	} *ext;

  1178 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1179 	uint32_t num = pBase->GetPubVarsNum();

  1180 	sp_pubvar_t *pubvar;

  1181 	IExtension *pExt;

  1182 	char path[PLATFORM_MAX_PATH];

  1183 	char *file, *name;

  1184 	for (uint32_t i=0; i<num; i++)

  1185 	{

  1186 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1187 		{

  1188 			continue;

  1189 		}

  1190 		if (strncmp(pubvar->name, "__ext_", 6) == 0)

  1191 		{

  1192 			ext = (_ext *)pubvar->offs;

  1193 			if (!ext->required && !ext->autoload)

  1194 			{

  1195 				continue;

  1196 			}

  1197 			if (pBase->LocalToString(ext->file, &file) != SP_ERROR_NONE)

  1198 			{

  1199 				continue;

  1200 			}

  1201 			if (pBase->LocalToString(ext->name, &name) != SP_ERROR_NONE)

  1202 			{

  1203 				continue;

  1204 			}

  1205 			if (pass == 1)

  1206 			{

  1207 				/* Attempt to auto-load if necessary */

  1208 				if (ext->autoload)

  1209 				{

  1210 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1211 					g_Extensions.LoadAutoExtension(path);

  1212 				}

  1213 			} else if (pass == 2) {

  1214 				/* Is this required? */

  1215 				if (ext->required)

  1216 				{

  1217 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1218 					if ((pExt = g_Extensions.FindExtensionByFile(path)) == NULL)

  1219 					{

  1220 						pExt = g_Extensions.FindExtensionByName(name);

  1221 					}

  1222 					/* :TODO: should we bind to unloaded extensions?

  1223 					 * Currently the extension manager will ignore this.

  1224 					 */

  1225 					if (!pExt || !pExt->IsRunning(NULL, 0))

  1226 					{

  1227 						if (error)

  1228 						{

  1229 							snprintf(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1230 						}

  1231 						return false;

  1232 					} else {

  1233 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1234 					}

  1235 				}

  1236 			}

  1237 		}

  1238 	}

  1240 	return true;

  1241 }

  1243 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1244 {

  1245 	/* Second pass for extension requirements */

  1246 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1247 	{

  1248 		return false;

  1249 	}

  1251 	/* Bind all extra natives */

  1252 	g_Extensions.BindAllNativesToPlugin(pPlugin);

  1253 	AddFakeNativesToPlugin(pPlugin);

  1255 	if (!FindOrRequirePluginDeps(pPlugin, error, maxlength))

  1256 	{

  1257 		return false;

  1258 	}

  1260 	/* Find any unbound natives

  1261 	 * Right now, these are not allowed

  1262 	 */

  1263 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1264 	uint32_t num = pContext->GetNativesNum();

  1265 	sp_native_t *native;

  1266 	for (unsigned int i=0; i<num; i++)

  1267 	{

  1268 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1269 		{

  1270 			break;

  1271 		}

  1272 		if (native->status == SP_NATIVE_UNBOUND

  1273 			&& native->name[0] != '@'

  1274 			&& !(native->flags & SP_NTVFLAG_OPTIONAL))

  1275 		{

  1276 			if (error)

  1277 			{

  1278 				snprintf(error, maxlength, "Native \"%s\" was not found.", native->name);

  1279 			}

  1280 			return false;

  1281 		}

  1282 	}

  1284 	/* Finish by telling all listeners */

  1285 	List<IPluginsListener *>::iterator iter;

  1286 	IPluginsListener *pListener;

  1287 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1288 	{

  1289 		pListener = (*iter);

  1290 		pListener->OnPluginLoaded(pPlugin);

  1291 	}

  1293 	/* Tell this plugin to finish initializing itself */

  1294 	pPlugin->Call_OnPluginStart();

  1296 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1297 	if (pPlugin->GetStatus() <= Plugin_Paused && pPlugin->m_fakeNatives.size())

  1298 	{

  1299 		List<CPlugin *>::iterator pl_iter;

  1300 		CPlugin *pOther;

  1301 		for (pl_iter = m_plugins.begin();

  1302 			 pl_iter != m_plugins.end();

  1303 			 pl_iter++)

  1304 		{

  1305 			pOther = (*pl_iter);

  1306 			if ((pOther->GetStatus() == Plugin_Error

  1307 				&& (pOther->m_FakeNativesMissing || pOther->m_LibraryMissing))

  1308 				|| pOther->m_FakeNativesMissing)

  1309 			{

  1310 				TryRefreshDependencies(pOther);

  1311 			}

  1312 		}

  1313 	}

  1315 	/* Go through our libraries and tell other plugins they're added */

  1316 	List<String>::iterator s_iter;

  1317 	for (s_iter = pPlugin->m_Libraries.begin();

  1318 		s_iter != pPlugin->m_Libraries.end();

  1319 		s_iter++)

  1320 	{

  1321 		OnLibraryAction((*s_iter).c_str(), false);

  1322 	}

  1324 	return true;

  1325 }

  1327 void CPluginManager::AddCoreNativesToPlugin(CPlugin *pPlugin)

  1328 {

  1329 	List<sp_nativeinfo_t *>::iterator iter;

  1331 	for (iter=m_natives.begin(); iter!=m_natives.end(); iter++)

  1332 	{

  1333 		sp_nativeinfo_t *natives = (*iter);

  1334 		IPluginContext *ctx = pPlugin->GetBaseContext();

  1335 		unsigned int i=0;

  1336 		/* Attempt to bind every native! */

  1337 		while (natives[i].func != NULL)

  1338 		{

  1339 			ctx->BindNative(&natives[i++]);

  1340 		}

  1341 	}

  1342 }

  1344 void CPluginManager::TryRefreshDependencies(CPlugin *pPlugin)

  1345 {

  1346 	assert(pPlugin->GetBaseContext() != NULL);

  1348 	AddFakeNativesToPlugin(pPlugin);

  1350 	List<String>::iterator lib_iter;

  1351 	List<String>::iterator req_iter;

  1352 	List<CPlugin *>::iterator pl_iter;

  1353 	CPlugin *pl;

  1354 	for (req_iter=pPlugin->m_RequiredLibs.begin(); req_iter!=pPlugin->m_RequiredLibs.end(); req_iter++)

  1355 	{

  1356 		bool found = false;

  1357 		for (pl_iter=m_plugins.begin(); pl_iter!=m_plugins.end(); pl_iter++)

  1358 		{

  1359 			pl = (*pl_iter);

  1360 			for (lib_iter=pl->m_Libraries.begin(); lib_iter!=pl->m_Libraries.end(); lib_iter++)

  1361 			{

  1362 				if ((*req_iter) == (*lib_iter))

  1363 				{

  1364 					found = true;

  1365 				}

  1366 			}

  1367 		}

  1368 		if (!found)

  1369 		{

  1370 			pPlugin->SetErrorState(Plugin_Error, "Library not found: %s", (*req_iter).c_str());

  1371 			return;

  1372 		}

  1373 	}

  1375 	/* Find any unbound natives

  1376 	 * Right now, these are not allowed

  1377 	 */

  1378 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1379 	uint32_t num = pContext->GetNativesNum();

  1380 	sp_native_t *native;

  1381 	for (unsigned int i=0; i<num; i++)

  1382 	{

  1383 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1384 		{

  1385 			break;

  1386 		}

  1387 		if (native->status == SP_NATIVE_UNBOUND && !(native->flags & SP_NTVFLAG_OPTIONAL))

  1388 		{

  1389 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1390 			return;

  1391 		}

  1392 	}

  1394 	if (pPlugin->GetStatus() == Plugin_Error)

  1395 	{

  1396 		/* If we got here, all natives are okay again! */

  1397 		pPlugin->m_status = Plugin_Running;

  1398 		if ((pPlugin->m_ctx.ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1399 		{

  1400 			pPlugin->m_ctx.ctx->flags &= ~SPFLAG_PLUGIN_PAUSED;

  1401 			_SetPauseState(pPlugin, false);

  1402 		}

  1403 	}

  1404 }

  1406 void CPluginManager::AddFakeNativesToPlugin(CPlugin *pPlugin)

  1407 {

  1408 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1409 	sp_nativeinfo_t native;

  1411 	List<FakeNative *>::iterator iter;

  1412 	FakeNative *pNative;

  1413 	sp_context_t *ctx;

  1414 	for (iter = m_Natives.begin(); iter != m_Natives.end(); iter++)

  1415 	{

  1416 		pNative = (*iter);

  1417 		ctx = pNative->ctx->GetContext();

  1418 		if ((ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1419 		{

  1420 			/* Ignore natives in paused plugins */

  1421 			continue;

  1422 		}

  1423 		native.name = pNative->name.c_str();

  1424 		native.func = pNative->func;

  1425 		if (pContext->BindNative(&native) == SP_ERROR_NONE)

  1426 		{

  1427 			uint32_t idx;

  1428 			pContext->FindNativeByName(native.name, &idx);

  1429 			if (pPlugin->GetContext()->natives[idx].flags & SP_NTVFLAG_OPTIONAL)

  1430 			{

  1431 				WeakNative wkn(pPlugin, idx);

  1432 				GetPluginByCtx(ctx)->m_WeakNatives.push_back(wkn);

  1433 				continue;

  1434 			}

  1435 			/* Add us as a dependency, but we're careful not to do this circularly! */

  1436 			if (pNative->ctx != pContext)

  1437 			{

  1438 				CPlugin *pOther = GetPluginByCtx(ctx);

  1439 				if (pOther->m_dependents.find(pPlugin) == pOther->m_dependents.end())

  1440 				{

  1441 					pOther->m_dependents.push_back(pPlugin);

  1442 				}

  1443 				if (pPlugin->m_dependsOn.find(pOther) == pPlugin->m_dependsOn.end())

  1444 				{

  1445 					pPlugin->m_dependsOn.push_back(pOther);

  1446 				}

  1447 			}

  1448 		}

  1449 	}

  1450 }

  1452 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1453 {

  1454 	CPlugin *pPlugin = (CPlugin *)plugin;

  1456 	/* This prevents removal during insertion or anything else weird */

  1457 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1458 	{

  1459 		return false;

  1460 	}

  1462 	/* Remove us from the lookup table and linked list */

  1463 	m_plugins.remove(pPlugin);

  1464 	sm_trie_delete(m_LoadLookup, pPlugin->m_filename);

  1466 	/* Go through our libraries and tell other plugins they're gone */

  1467 	List<String>::iterator s_iter;

  1468 	for (s_iter = pPlugin->m_Libraries.begin();

  1469 		 s_iter != pPlugin->m_Libraries.end();

  1470 		 s_iter++)

  1471 	{

  1472 		OnLibraryAction((*s_iter).c_str(), true);

  1473 	}

  1475 	/* Go through all dependent plugins and tell them this plugin is now gone */

  1476 	List<CPlugin *>::iterator pl_iter;

  1477 	CPlugin *pOther;

  1478 	for (pl_iter = pPlugin->m_dependents.begin();

  1479 		 pl_iter != pPlugin->m_dependents.end();

  1480 		 pl_iter++)

  1481 	{

  1482 		pOther = (*pl_iter);

  1483 		pOther->DependencyDropped(pPlugin);

  1484 	}

  1486 	/* Tell everyone we depend on that we no longer exist */

  1487 	for (pl_iter = pPlugin->m_dependsOn.begin();

  1488 		 pl_iter != pPlugin->m_dependsOn.end();

  1489 		 pl_iter++)

  1490 	{

  1491 		pOther = (*pl_iter);

  1492 		pOther->m_dependents.remove(pPlugin);

  1493 	}

  1495 	/* Remove weak references to us */

  1496 	for (pl_iter = m_plugins.begin();

  1497 		 pl_iter != m_plugins.end();

  1498 		 pl_iter++)

  1499 	{

  1500 		pOther = (*pl_iter);

  1501 		List<WeakNative>::iterator wk_iter = pOther->m_WeakNatives.begin();

  1502 		while (wk_iter != pOther->m_WeakNatives.end())

  1503 		{

  1504 			if ((*wk_iter).pl == pPlugin)

  1505 			{

  1506 				wk_iter = pOther->m_WeakNatives.erase(wk_iter);

  1507 			} else {

  1508 				wk_iter++;

  1509 			}

  1510 		}

  1511 	}

  1513 	List<IPluginsListener *>::iterator iter;

  1514 	IPluginsListener *pListener;

  1516 	if (pPlugin->GetStatus() <= Plugin_Error)

  1517 	{

  1518 		/* Notify listeners of unloading */

  1519 		for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1520 		{

  1521 			pListener = (*iter);

  1522 			pListener->OnPluginUnloaded(pPlugin);

  1523 		}

  1524 		/* Notify plugin */

  1525 		pPlugin->Call_OnPluginEnd();

  1526 	}

  1528 	/* Unbound weak natives */

  1529 	List<WeakNative>::iterator wk_iter;

  1530 	for (wk_iter=pPlugin->m_WeakNatives.begin(); wk_iter!=pPlugin->m_WeakNatives.end(); wk_iter++)

  1531 	{

  1532 		WeakNative & wkn = (*wk_iter);

  1533 		sp_context_t *ctx = wkn.pl->GetContext();

  1534 		ctx->natives[wkn.idx].status = SP_NATIVE_UNBOUND;

  1535 		wkn.pl->m_FakeNativesMissing = true;

  1536 	}

  1538 	/* Remove all of our native functions */

  1539 	List<FakeNative *>::iterator fn_iter;

  1540 	FakeNative *pNative;

  1541 	for (fn_iter = pPlugin->m_fakeNatives.begin();

  1542 		fn_iter != pPlugin->m_fakeNatives.end();

  1543 		fn_iter++)

  1544 	{

  1545 		pNative = (*fn_iter);

  1546 		m_Natives.remove(pNative);

  1547 		sm_trie_delete(m_pNativeLookup, pNative->name.c_str());

  1548 		g_pVM->DestroyFakeNative(pNative->func);

  1549 		delete pNative;

  1550 	}

  1552 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1553 	{

  1554 		/* Notify listeners of destruction */

  1555 		pListener = (*iter);

  1556 		pListener->OnPluginDestroyed(pPlugin);

  1557 	}

  1559 	/* Tell the plugin to delete itself */

  1560 	delete pPlugin;

  1562 	return true;

  1563 }

  1565 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1566 {

  1567 	IPlugin *pl = (IPlugin *)ctx->user[SM_CONTEXTVAR_MYSELF];

  1568 	return pl;

  1569 }

  1571 unsigned int CPluginManager::GetPluginCount()

  1572 {

  1573 	return m_plugins.size();

  1574 }

  1576 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1577 {

  1578 	m_listeners.push_back(listener);

  1579 }

  1581 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1582 {

  1583 	m_listeners.remove(listener);

  1584 }

  1586 IPluginIterator *CPluginManager::GetPluginIterator()

  1587 {

  1588 	if (m_iters.empty())

  1589 	{

  1590 		return new CPluginIterator(&m_plugins);

  1591 	} else {

  1592 		CPluginIterator *iter = m_iters.front();

  1593 		m_iters.pop();

  1594 		iter->Reset();

  1595 		return iter;

  1596 	}

  1597 }

  1599 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1600 {

  1601 	m_iters.push(iter);

  1602 }

  1604 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1605 {

  1606 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1607 	size_t alias_len = 0;

  1608 	size_t local_len = 0;

  1610 	const char *ptr = alias;

  1611 	unsigned int alias_explicit_paths = 0;

  1612 	unsigned int alias_path_end = 0;

  1613 	while (*ptr != '\0')

  1614 	{

  1615 		if (*ptr == '\\' || *ptr == '/')

  1616 		{

  1617 			alias_explicit_paths++;

  1618 			alias_path_end = alias_len;

  1619 		}

  1620 		alias_len++;

  1621 		ptr++;

  1622 	}

  1624 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1625 	{

  1626 		/* Trailing slash is totally invalid here */

  1627 		return false;

  1628 	}

  1630 	ptr = localpath;

  1631 	unsigned int local_explicit_paths = 0;

  1632 	unsigned int local_path_end = 0;

  1633 	while (*ptr != '\0')

  1634 	{

  1635 		if (*ptr == '\\' || *ptr == '/')

  1636 		{

  1637 			local_explicit_paths++;

  1638 			local_path_end = local_len;

  1639 		}

  1640 		local_len++;

  1641 		ptr++;

  1642 	}

  1644 	/* If the alias has more explicit paths than the real path,

  1645 	 * no match will be possible.

  1646 	 */

  1647 	if (alias_explicit_paths > local_explicit_paths)

  1648 	{

  1649 		return false;

  1650 	}

  1652 	if (alias_explicit_paths)

  1653 	{

  1654 		/* We need to find if the paths match now.  For example, these should all match:

  1655 		 * csdm     csdm

  1656 		 * csdm     optional/csdm

  1657 		 * csdm/ban optional/crab/csdm/ban

  1658 		*/

  1659 		const char *aliasptr = alias;

  1660 		const char *localptr = localpath;

  1661 		bool match = true;

  1662 		do

  1663 		{

  1664 			if (*aliasptr != *localptr)

  1665 			{

  1666 				/* We have to knock one path off */

  1667 				local_explicit_paths--;

  1668 				if (alias_explicit_paths > local_explicit_paths)

  1669 				{

  1670 					/* Skip out if we're gonna have an impossible match */

  1671 					return false;

  1672 				}

  1673 				/* Eat up localptr tokens until we get a result */

  1674 				while (((localptr - localpath) < (int)local_path_end)

  1675 					&& *localptr != '/'

  1676 					&& *localptr != '\\')

  1677 				{

  1678 					localptr++;

  1679 				}

  1680 				/* Check if we hit the end of our searchable area.

  1681 				 * This probably isn't possible because of the path

  1682 				 * count check, but it's a good idea anyway.

  1683 				 */

  1684 				if ((localptr - localpath) >= (int)local_path_end)

  1685 				{

  1686 					return false;

  1687 				} else {

  1688 					/* Consume the slash token */

  1689 					localptr++;

  1690 				}

  1691 				/* Reset the alias pointer so we can continue consuming */

  1692 				aliasptr = alias;

  1693 				match = false;

  1694 				continue;

  1695 			}

  1696 			/* Note:

  1697 			 * This is safe because if localptr terminates early, aliasptr will too

  1698 			 */

  1699 			do

  1700 			{

  1701 				/* We should never reach the end of the string because of this check. */

  1702 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1703 				bool localend = (localptr - localpath) > (int)local_path_end;

  1704 				if (aliasend || localend)

  1705 				{

  1706 					if (aliasend && localend)

  1707 					{

  1708 						/* we matched, and we can break out now */

  1709 						match = true;

  1710 						break;

  1711 					}

  1712 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1713 					match = false;

  1714 					break;

  1715 				}

  1717 				/* If we got here, it's safe to compare the next two tokens */

  1718 				if (*localptr != *aliasptr)

  1719 				{

  1720 					match = false;

  1721 					break;

  1722 				}

  1723 				localptr++;

  1724 				aliasptr++;

  1725 			} while (true);

  1726 		} while (!match);

  1727 	}

  1729 	/* If we got here, it's time to compare filenames */

  1730 	const char *aliasptr = alias;

  1731 	const char *localptr = localpath;

  1733 	if (alias_explicit_paths)

  1734 	{

  1735 		aliasptr = &alias[alias_path_end + 1];

  1736 	}

  1738 	if (local_explicit_paths)

  1739 	{

  1740 		localptr = &localpath[local_path_end + 1];

  1741 	}

  1743 	while (true)

  1744 	{

  1745 		if (*aliasptr == '*')

  1746 		{

  1747 			/* First, see if this is the last character */

  1748 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1749 			{

  1750 				/* If so, there's no need to match anything else */

  1751 				return true;

  1752 			}

  1753 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1754 			 * Note that we only need to search up to the next asterisk.

  1755 			 */

  1756 			aliasptr++;

  1757 			bool match = true;

  1758 			const char *local_orig = localptr;

  1759 			do

  1760 			{

  1761 				match = true;

  1762 				while (*aliasptr != '\0' && *aliasptr != '*')

  1763 				{

  1764 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1765 					if (*aliasptr != *localptr)

  1766 					{

  1767 						match = false;

  1768 						break;

  1769 					}

  1770 					aliasptr++;

  1771 					localptr++;

  1772 				}

  1773 				if (!match)

  1774 				{

  1775 					/* If we didn't get a match, we need to advance the search stream.

  1776 					 * This will let us skip tokens while still searching for another match.

  1777 					 */

  1778 					localptr = ++local_orig;

  1779 					/* Make sure we don't go out of bounds */

  1780 					if (*localptr == '\0')

  1781 					{

  1782 						break;

  1783 					}

  1784 				}

  1785 			} while (!match);

  1787 			if (!match)

  1788 			{

  1789 				return false;

  1790 			} else {

  1791 				/* If we got a match, move on to the next token */

  1792 				continue;

  1793 			}

  1794 		} else if (*aliasptr == '\0') {

  1795 			if (*localptr == '\0'

  1796 				||

  1797 				strcmp(localptr, ".smx") == 0)

  1798 			{

  1799 				return true;

  1800 			} else {

  1801 				return false;

  1802 			}

  1803 		} else if (*aliasptr != *localptr) {

  1804 			return false;

  1805 		}

  1806 		aliasptr++;

  1807 		localptr++;

  1808 	}

  1810 	return true;

  1811 }

  1813 bool CPluginManager::IsLateLoadTime() const

  1814 {

  1815 	return (m_AllPluginsLoaded || !g_SourceMod.IsMapLoading());

  1816 }

  1818 void CPluginManager::OnSourceModAllInitialized()

  1819 {

  1820 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1822 	HandleAccess sec;

  1823 	g_HandleSys.InitAccessDefaults(NULL, &sec);

  1825 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1826 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1828 	g_PluginType = g_HandleSys.CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1829 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1831 	g_RootMenu.AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1833 	g_ShareSys.AddInterface(NULL, this);

  1834 }

  1836 void CPluginManager::OnSourceModShutdown()

  1837 {

  1838 	g_RootMenu.RemoveRootConsoleCommand("plugins", this);

  1840 	List<CPlugin *>::iterator iter;

  1841 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  1842 	{

  1843 		UnloadPlugin((*iter));

  1844 	}

  1846 	g_HandleSys.RemoveType(g_PluginType, m_MyIdent);

  1847 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1848 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1849 }

  1851 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1852 {

  1853 	/* We don't care about the internal object, actually */

  1854 }

  1856 void CPluginManager::RegisterNativesFromCore(sp_nativeinfo_t *natives)

  1857 {

  1858 	m_natives.push_back(natives);

  1859 }

  1861 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1862 {

  1863 	IPlugin *pPlugin;

  1864 	HandleError _err;

  1866 	HandleSecurity sec;

  1868 	sec.pOwner = NULL;

  1869 	sec.pIdentity = m_MyIdent;

  1871 	if ((_err=g_HandleSys.ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1872 	{

  1873 		pPlugin = NULL;

  1874 	}

  1876 	if (err)

  1877 	{

  1878 		*err = _err;

  1879 	}

  1881 	return pPlugin;

  1882 }

  1884 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1885 {

  1886 	if (num < 1 || num > (int)GetPluginCount())

  1887 	{

  1888 		return NULL;

  1889 	}

  1891 	CPlugin *pl;

  1892 	int id = 1;

  1894 	IPluginIterator *iter = GetPluginIterator();

  1895 	for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++) {}

  1897 	pl = (CPlugin *)(iter->GetPlugin());

  1898 	iter->Release();

  1900 	return pl;

  1901 }

  1903 const char *CPluginManager::GetStatusText(PluginStatus st)

  1904 {

  1905 	switch (st)

  1906 	{

  1907 	case Plugin_Running:

  1908 		return "Running";

  1909 	case Plugin_Paused:

  1910 		return "Paused";

  1911 	case Plugin_Error:

  1912 		return "Error";

  1913 	case Plugin_Uncompiled:

  1914 		return "Uncompiled";

  1915 	case Plugin_BadLoad:

  1916 		return "Bad Load";

  1917 	case Plugin_Failed:

  1918 		return "Failed";

  1919 	default:

  1920 		assert(false);

  1921 		return "-";

  1922 	}

  1923 }

  1925 void CPluginManager::OnRootConsoleCommand(const char *command, unsigned int argcount)

  1926 {

  1927 	if (argcount >= 3)

  1928 	{

  1929 		const char *cmd = g_RootMenu.GetArgument(2);

  1930 		if (strcmp(cmd, "list") == 0)

  1931 		{

  1932 			char buffer[256];

  1933 			unsigned int id = 1;

  1934 			int plnum = GetPluginCount();

  1936 			if (!plnum)

  1937 			{

  1938 				g_RootMenu.ConsolePrint("[SM] No plugins loaded");

  1939 				return;

  1940 			} else {

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

  1942 			}

  1944 			IPluginIterator *iter = GetPluginIterator();

  1945 			for (; iter->MorePlugins(); iter->NextPlugin(), id++)

  1946 			{

  1947 				IPlugin *pl = iter->GetPlugin();

  1948 				assert(pl->GetStatus() != Plugin_Created);

  1949 				int len = 0;

  1950 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1951 				if (pl->GetStatus() != Plugin_Running)

  1952 				{

  1953 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1954 				} else {

  1955 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d", id);

  1956 				}

  1957 				len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1958 				if (IS_STR_FILLED(info->version))

  1959 				{

  1960 					len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  1961 				}

  1962 				if (IS_STR_FILLED(info->author))

  1963 				{

  1964 					UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  1965 				}

  1966 				g_RootMenu.ConsolePrint("%s", buffer);

  1967 			}

  1969 			iter->Release();

  1970 			return;

  1971 		} else if (strcmp(cmd, "load") == 0) {

  1972 			if (argcount < 4)

  1973 			{

  1974 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins load <file>");

  1975 				return;

  1976 			}

  1978 			char error[128];

  1979 			bool wasloaded;

  1980 			const char *filename = g_RootMenu.GetArgument(3);

  1982 			char pluginfile[256];

  1983 			const char *ext = g_LibSys.GetFileExtension(filename) ? "" : ".smx";

  1984 			UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", filename, ext);

  1986 			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  1988 			if (wasloaded)

  1989 			{

  1990 				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);

  1991 				return;

  1992 			}

  1994 			if (pl)

  1995 			{

  1996 				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);

  1997 			} else {

  1998 				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);

  1999 			}

  2001 			return;

  2002 		} else if (strcmp(cmd, "unload") == 0) {

  2003 			if (argcount < 4)

  2004 			{

  2005 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins unload <#>");

  2006 				return;

  2007 			}

  2009 			int id = 1;

  2010 			int num = atoi(g_RootMenu.GetArgument(3));

  2011 			if (num < 1 || num > (int)GetPluginCount())

  2012 			{

  2013 				g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", num);

  2014 				return;

  2015 			}

  2017 			IPluginIterator *iter = GetPluginIterator();

  2018 			for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++)

  2019 				;

  2020 			IPlugin *pl = iter->GetPlugin();

  2022 			char name[PLATFORM_MAX_PATH];

  2023 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2024 			strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  2026 			if (UnloadPlugin(pl))

  2027 			{

  2028 				g_RootMenu.ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  2029 			} else {

  2030 				g_RootMenu.ConsolePrint("[SM] Failed to unload plugin %s.", name);

  2031 			}

  2033 			iter->Release();

  2034 			return;

  2035 		} else if (strcmp(cmd, "info") == 0) {

  2036 			if (argcount < 4)

  2037 			{

  2038 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins info <#>");

  2039 				return;

  2040 			}

  2042 			int num = atoi(g_RootMenu.GetArgument(3));

  2043 			if (num < 1 || num > (int)GetPluginCount())

  2044 			{

  2045 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  2046 				return;

  2047 			}

  2049 			CPlugin *pl = GetPluginByOrder(num);

  2050 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  2052 			g_RootMenu.ConsolePrint("  Filename: %s", pl->GetFilename());

  2053 			if (pl->GetStatus() <= Plugin_Error)

  2054 			{

  2055 				if (IS_STR_FILLED(info->name))

  2056 				{

  2057 					if (IS_STR_FILLED(info->description))

  2058 					{

  2059 						g_RootMenu.ConsolePrint("  Title: %s (%s)", info->name, info->description);

  2060 					} else {

  2061 						g_RootMenu.ConsolePrint("  Title: %s", info->name);

  2062 					}

  2063 				}

  2064 				if (IS_STR_FILLED(info->author))

  2065 				{

  2066 					g_RootMenu.ConsolePrint("  Author: %s", info->author);

  2067 				}

  2068 				if (IS_STR_FILLED(info->version))

  2069 				{

  2070 					g_RootMenu.ConsolePrint("  Version: %s", info->version);

  2071 				}

  2072 				if (IS_STR_FILLED(info->url))

  2073 				{

  2074 					g_RootMenu.ConsolePrint("  URL: %s", info->url);

  2075 				}

  2076 				if (pl->GetStatus() == Plugin_Error)

  2077 				{

  2078 					g_RootMenu.ConsolePrint("  Error: %s", pl->m_errormsg);

  2079 				} else {

  2080 					g_RootMenu.ConsolePrint("  Debugging: %s", pl->IsDebugging() ? "Yes" : "No");

  2081 					g_RootMenu.ConsolePrint("  Running: %s", pl->GetStatus() == Plugin_Running ? "Yes" : "No");

  2083 					const char *typestr = "";

  2084 					switch (pl->GetType())

  2085 					{

  2086 					case PluginType_MapUpdated:

  2087 						typestr = "Map Change if Updated";

  2088 						break;

  2089 					case PluginType_MapOnly:

  2090 						typestr = "Map Change";

  2091 						break;

  2092 					case PluginType_Private:

  2093 					case PluginType_Global:

  2094 						typestr = "Never";

  2095 						break;

  2096 					}

  2098 					g_RootMenu.ConsolePrint("  Reloads: %s", typestr);

  2099 				}

  2100 			} else {

  2101 				g_RootMenu.ConsolePrint("  Load error: %s", pl->m_errormsg);

  2102 				g_RootMenu.ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  2103 										info->name ? info->name : "<none>",

  2104 										info->version ? info->version : "<none>");

  2105 				if (IS_STR_FILLED(info->url))

  2106 				{

  2107 					g_RootMenu.ConsolePrint("  File URL: %s", info->url);

  2108 				}

  2109 			}

  2111 			return;

  2112 		} else if (strcmp(cmd, "debug") == 0) {

  2113 			if (argcount < 5)

  2114 			{

  2115 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins debug <#> [on|off]");

  2116 				return;

  2117 			}

  2119 			int num = atoi(g_RootMenu.GetArgument(3));

  2120 			if (num < 1 || num > (int)GetPluginCount())

  2121 			{

  2122 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  2123 				return;

  2124 			}

  2126 			int res;

  2127 			const char *mode = g_RootMenu.GetArgument(4);

  2128 			if ((res=strcmp("on", mode)) && strcmp("off", mode))

  2129 			{

  2130 				g_RootMenu.ConsolePrint("[SM] The only possible options are \"on\" and \"off.\"");

  2131 				return;

  2132 			}

  2134 			bool debug;

  2135 			if (!res)

  2136 			{

  2137 				debug = true;

  2138 			} else {

  2139 				debug = false;

  2140 			}

  2142 			CPlugin *pl = GetPluginByOrder(num);

  2143 			if (debug && pl->IsDebugging())

  2144 			{

  2145 				g_RootMenu.ConsolePrint("[SM] This plugin is already in debug mode.");

  2146 				return;

  2147 			} else if (!debug && !pl->IsDebugging()) {

  2148 				g_RootMenu.ConsolePrint("[SM] Debug mode is already disabled in this plugin.");

  2149 				return;

  2150 			}

  2152 			char error[256];

  2153 			if (pl->ToggleDebugMode(debug, error, sizeof(error)))

  2154 			{

  2155 				g_RootMenu.ConsolePrint("[SM] Successfully toggled debug mode on plugin %s.", pl->GetFilename());

  2156 				return;

  2157 			} else {

  2158 				g_RootMenu.ConsolePrint("[SM] Could not toggle debug mode on plugin %s.", pl->GetFilename());

  2159 				g_RootMenu.ConsolePrint("[SM] Plugin returned error: %s", error);

  2160 				return;

  2161 			}

  2162 		}

  2163 	}

  2165 	/* Draw the main menu */

  2166 	g_RootMenu.ConsolePrint("SourceMod Plugins Menu:");

  2167 	g_RootMenu.DrawGenericOption("list", "Show loaded plugins");

  2168 	g_RootMenu.DrawGenericOption("load", "Load a plugin");

  2169 	g_RootMenu.DrawGenericOption("unload", "Unload a plugin");

  2170 	g_RootMenu.DrawGenericOption("info", "Information about a plugin");

  2171 	g_RootMenu.DrawGenericOption("debug", "Toggle debug mode on a plugin");

  2172 }

  2174 void CPluginManager::ReloadOrUnloadPlugins()

  2175 {

  2176 	List<CPlugin *>::iterator iter;

  2177 	List<CPlugin *> tmp_list = m_plugins;

  2178 	CPlugin *pl;

  2179 	time_t t;

  2181 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  2182 	{

  2183 		pl = (*iter);

  2184 		if (pl->GetType() ==  PluginType_MapOnly)

  2185 		{

  2186 			UnloadPlugin((IPlugin *)pl);

  2187 		} else if (pl->GetType() == PluginType_MapUpdated) {

  2188 			t = pl->GetFileTimeStamp();

  2189 			if (!t || t > pl->GetTimeStamp())

  2190 			{

  2191 				pl->SetTimeStamp(t);

  2192 				UnloadPlugin((IPlugin *)pl);

  2193 			}

  2194 		}

  2195 	}

  2196 }

  2198 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  2199 {

  2200 	List<IPluginsListener *>::iterator iter;

  2201 	IPluginsListener *pListener;

  2202 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  2203 	{

  2204 		pListener = (*iter);

  2205 		pListener->OnPluginPauseChange(pl, paused);

  2206 	}

  2207 }

  2209 bool CPluginManager::AddFakeNative(IPluginFunction *pFunction, const char *name, SPVM_FAKENATIVE_FUNC func)

  2210 {

  2211 	if (sm_trie_retrieve(m_pNativeLookup, name, NULL))

  2212 	{

  2213 		return false;

  2214 	}

  2216 	FakeNative *pNative = new FakeNative;

  2218 	pNative->func = g_pVM->CreateFakeNative(func, pNative);

  2219 	if (!pNative->func)

  2220 	{

  2221 		delete pNative;

  2222 		return false;

  2223 	}

  2225 	pNative->call = pFunction;

  2226 	pNative->name.assign(name);

  2227 	pNative->ctx = pFunction->GetParentContext();

  2229 	m_Natives.push_back(pNative);

  2230 	sm_trie_insert(m_pNativeLookup, name,pNative);

  2232 	CPlugin *pPlugin = GetPluginByCtx(pNative->ctx->GetContext());

  2233 	pPlugin->m_fakeNatives.push_back(pNative);

  2235 	return true;

  2236 }

  2238 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  2239 {

  2240 	List<CPlugin *>::iterator iter;

  2241 	CPlugin *pPlugin;

  2242 	IPluginFunction *pFunction;

  2244 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  2245 	{

  2246 		pPlugin = (*iter);

  2248 		if (pPlugin->GetStatus() <= Plugin_Paused)

  2249 		{

  2250 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  2252 			if (pFunction)

  2253 			{

  2254 				pForward->AddFunction(pFunction);

  2255 			}

  2256 		}

  2257 	}

  2258 }

  2260 CPlugin *CPluginManager::GetPluginFromIdentity(IdentityToken_t *pToken)

  2261 {

  2262 	if (pToken->type != g_PluginIdent)

  2263 	{

  2264 		return NULL;

  2265 	}

  2267 	return (CPlugin *)(pToken->ptr);

  2268 }

  2270 void CPluginManager::OnLibraryAction(const char *lib, bool drop)

  2271 {

  2272 	List<CPlugin *>::iterator iter;

  2274 	struct _pl

  2275 	{

  2276 		cell_t name;

  2277 		cell_t file;

  2278 		cell_t required;

  2279 	} *plc;

  2281 	const char *name = drop ? "OnLibraryRemoved" : "OnLibraryAdded";

  2283 	for (iter=m_plugins.begin();

  2284 		 iter!=m_plugins.end();

  2285 		 iter++)

  2286 	{

  2287 		CPlugin *pl = (*iter);

  2288 		if (pl->GetStatus() != Plugin_Running)

  2289 		{

  2290 			continue;

  2291 		}

  2292 		IPluginContext *pContext = pl->GetBaseContext();

  2293 		IPluginFunction *pf = pContext->GetFunctionByName(name);

  2294 		if (!pf)

  2295 		{

  2296 			continue;

  2297 		}

  2298 		uint32_t num_vars = pContext->GetPubVarsNum();

  2299 		for (uint32_t i=0; i<num_vars; i++)

  2300 		{

  2301 			sp_pubvar_t *pubvar;

  2302 			if (pContext->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  2303 			{

  2304 				continue;

  2305 			}

  2306 			if (strncmp(pubvar->name, "__pl_", 5) != 0)

  2307 			{

  2308 				continue;

  2309 			}

  2310 			plc = (_pl *)pubvar->offs;

  2311 			if (plc->required)

  2312 			{

  2313 				continue;

  2314 			}

  2315 			char *str;

  2316 			pContext->LocalToString(plc->name, &str);

  2317 			if (strcmp(str, lib) != 0)

  2318 			{

  2319 				continue;

  2320 			}

  2321 			pf->PushString(lib);

  2322 			pf->Execute(NULL);

  2323 		}

  2324 	}

  2325 }

  2327 bool CPluginManager::LibraryExists(const char *lib)

  2328 {

  2329 	List<CPlugin *>::iterator iter;

  2331 	for (iter=m_plugins.begin();

  2332 		 iter!=m_plugins.end();

  2333 		 iter++)

  2334 	{

  2335 		CPlugin *pl = (*iter);

  2336 		if (pl->GetStatus() != Plugin_Running)

  2337 		{

  2338 			continue;

  2339 		}

  2340 		List<String>::iterator s_iter;

  2341 		for (s_iter = pl->m_Libraries.begin();

  2342 			 s_iter != pl->m_Libraries.end();

  2343 			 s_iter++)

  2344 		{

  2345 			if ((*s_iter).compare(lib) == 0)

  2346 			{

  2347 				return true;

  2348 			}

  2349 		}

  2350 	}

  2352 	return false;

  2353 }

  2355 void CPluginManager::AllPluginsLoaded()

  2356 {

  2357 	List<CPlugin *>::iterator iter;

  2358 	CPlugin *pl;

  2360 	for (iter=m_plugins.begin(); iter!=m_plugins.end(); iter++)

  2361 	{

  2362 		pl = (*iter);

  2363 		pl->Call_OnAllPluginsLoaded();

  2364 	}

  2365 }

author	David Anderson <dvander@alliedmods.net>
	Wed Aug 01 02:12:47 2007 +0000 (2007-08-01)
changeset 1231	17badaf66ce4
parent 1221	f2dc55c0ab6f
child 1232	9f123e1a6c28
permissions	-rw-r--r--