sourcemod-central: core/systems/PluginSys.cpp@54782a83a1ef

     1 /**

     2  * vim: set ts=4 :

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

     4  * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

     5  * ===============================================================

     6  *

     7  * This file is not open source and may not be copied without explicit

     8  * written permission of AlliedModders LLC.  This file may not be redistributed

     9  * in whole or significant part.

    10  * For information, see LICENSE.txt or http://www.sourcemod.net/license.php

    11  *

    12  * Version: $Id$

    13  */

    15 #include <stdio.h>

    16 #include "PluginSys.h"

    17 #include "ShareSys.h"

    18 #include "LibrarySys.h"

    19 #include "HandleSys.h"

    20 #include "ForwardSys.h"

    21 #include "sourcemm_api.h"

    22 #include "sourcemod.h"

    23 #include "TextParsers.h"

    24 #include "Logger.h"

    25 #include "ExtensionSys.h"

    26 #include "sm_srvcmds.h"

    27 #include "sm_stringutil.h"

    28 #include "ConCmdManager.h"

    29 #include "PlayerManager.h"

    30 #include "CoreConfig.h"

    32 CPluginManager g_PluginSys;

    33 HandleType_t g_PluginType = 0;

    34 IdentityType_t g_PluginIdent = 0;

    36 CPlugin::CPlugin(const char *file)

    37 {

    38 	static int MySerial = 0;

    40 	m_type = PluginType_Private;

    41 	m_status = Plugin_Uncompiled;

    42 	m_serial = ++MySerial;

    43 	m_plugin = NULL;

    44 	m_errormsg[256] = '\0';

    45 	snprintf(m_filename, sizeof(m_filename), "%s", file);

    46 	m_handle = 0;

    47 	m_ident = NULL;

    48 	m_pProps = sm_trie_create();

    49 	m_FakeNativesMissing = false;

    50 }

    52 CPlugin::~CPlugin()

    53 {

    54 	if (m_handle)

    55 	{

    56 		HandleSecurity sec;

    57 		sec.pOwner = g_PluginSys.GetIdentity();

    58 		sec.pIdentity = sec.pOwner;

    60 		g_HandleSys.FreeHandle(m_handle, &sec);

    61 		g_ShareSys.DestroyIdentity(m_ident);

    62 	}

    64 	if (m_ctx.base)

    65 	{

    66 		delete m_ctx.base;

    67 		m_ctx.base = NULL;

    68 	}

    69 	if (m_ctx.ctx)

    70 	{

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

    72 		m_ctx.ctx = NULL;

    73 	}

    74 	if (m_ctx.co)

    75 	{

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

    77 		m_ctx.co = NULL;

    78 	}

    80 	if (m_plugin)

    81 	{

    82 		g_pSourcePawn->FreeFromMemory(m_plugin);

    83 		m_plugin = NULL;

    84 	}

    85 	if (m_pProps)

    86 	{

    87 		sm_trie_destroy(m_pProps);

    88 	}

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

    90 	{

    91 		delete m_configs[i];

    92 	}

    93 	m_configs.clear();

    94 }

    96 void CPlugin::InitIdentity()

    97 {

    98 	if (!m_handle)

    99 	{

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

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

   102 		m_ctx.base->SetIdentity(m_ident);

   103 	}

   104 }

   106 Handle_t CPlugin::GetMyHandle()

   107 {

   108 	return m_handle;

   109 }

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

   112 {

   113 	char fullpath[PLATFORM_MAX_PATH];

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

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

   117 	CPlugin *pPlugin = new CPlugin(file);

   119 	if (!fp)

   120 	{

   121 		if (error)

   122 		{

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

   124 		}

   125 		pPlugin->m_status = Plugin_BadLoad;

   126 		return pPlugin;

   127 	}

   129 	int err;

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

   131 	if (pl == NULL)

   132 	{

   133 		fclose(fp);

   134 		if (error)

   135 		{

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

   137 		}

   138 		pPlugin->m_status = Plugin_BadLoad;

   139 		return pPlugin;

   140 	}

   142 	fclose(fp);

   144 	pPlugin->m_plugin = pl;

   146 	return pPlugin;

   147 }

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

   150 {

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

   153 	if (exists && remove)

   154 	{

   155 		sm_trie_delete(m_pProps, prop);

   156 	}

   158 	return exists;

   159 }

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

   162 {

   163 	return sm_trie_insert(m_pProps, prop, ptr);

   164 }

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

   167 {

   168 	if (!m_plugin)

   169 	{

   170 		return NULL;

   171 	}

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

   174 	 * for swapping in new contexts

   175 	 */

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

   177 	{

   178 		return NULL;

   179 	}

   181 	m_status = Plugin_Uncompiled;

   183 	m_ctx.vm = vm;

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

   186 	return m_ctx.co;

   187 }

   189 void CPlugin::CancelMyCompile()

   190 {

   191 	if (!m_ctx.co)

   192 	{

   193 		return;

   194 	}

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

   197 	m_ctx.co = NULL;

   198 	m_ctx.vm = NULL;

   199 }

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

   202 {

   203 	if (!m_ctx.co)

   204 	{

   205 		return false;

   206 	}

   208 	int err;

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

   210 	if (!m_ctx.ctx)

   211 	{

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

   213 		if (error)

   214 		{

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

   216 		}

   217 		return false;

   218 	}

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

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

   223 	m_status = Plugin_Created;

   224 	m_ctx.co = NULL;

   226 	UpdateInfo();

   228 	return true;

   229 }

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

   232 {

   233 	PluginStatus old_status = m_status;

   234 	m_status = status;

   236 	if (old_status == Plugin_Running)

   237 	{

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

   239 		g_PluginSys._SetPauseState(this, true);

   240 	}

   242 	va_list ap;

   243 	va_start(ap, error_fmt);

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

   245 	va_end(ap);

   247 	if (m_ctx.ctx)

   248 	{

   249 		m_ctx.ctx->flags |= SPFLAG_PLUGIN_PAUSED;

   250 	}

   251 }

   253 void CPlugin::UpdateInfo()

   254 {

   255 	/* Now grab the info */

   256 	uint32_t idx;

   257 	IPluginContext *base = GetBaseContext();

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

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

   262 	if (err == SP_ERROR_NONE)

   263 	{

   264 		struct sm_plugininfo_c_t

   265 		{

   266 			cell_t name;

   267 			cell_t description;

   268 			cell_t author;

   269 			cell_t version;

   270 			cell_t url;

   271 		};

   272 		sm_plugininfo_c_t *cinfo;

   273 		cell_t local_addr;

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

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

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

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

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

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

   281 	}

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

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

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

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

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

   288 }

   290 void CPlugin::Call_OnPluginStart()

   291 {

   292 	if (m_status != Plugin_Loaded)

   293 	{

   294 		return;

   295 	}

   297 	m_status = Plugin_Running;

   299 	cell_t result;

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

   301 	if (!pFunction)

   302 	{

   303 		return;

   304 	}

   306 	int err;

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

   308 	{

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

   310 	} else {

   311 		if (g_OnMapStarted)

   312 		{

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

   314 			{

   315 				pFunction->Execute(NULL);

   316 			}

   317 		}

   318 		if (SM_AreConfigsExecuted())

   319 		{

   320 			SM_ExecuteForPlugin(GetBaseContext());

   321 		}

   322 	}

   323 }

   325 void CPlugin::Call_OnPluginEnd()

   326 {

   327 	if (m_status > Plugin_Paused)

   328 	{

   329 		return;

   330 	}

   332 	cell_t result;

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

   334 	if (!pFunction)

   335 	{

   336 		return;

   337 	}

   339 	pFunction->Execute(&result);

   340 }

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

   343 {

   344 	if (m_status != Plugin_Created)

   345 	{

   346 		return false;

   347 	}

   349 	m_status = Plugin_Loaded;

   351 	int err;

   352 	cell_t result;

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

   355 	if (!pFunction)

   356 	{

   357 		return true;

   358 	}

   360 	pFunction->PushCell(m_handle);

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

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

   363 	pFunction->PushCell(maxlength);

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

   365 	{

   366 		return false;

   367 	}

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

   370 	{

   371 		return false;

   372 	}

   374 	return true;

   375 }

   377 const sp_plugin_t *CPlugin::GetPluginStructure()

   378 {

   379 	return m_plugin;

   380 }

   382 IPluginContext *CPlugin::GetBaseContext()

   383 {

   384 	return m_ctx.base;

   385 }

   387 sp_context_t *CPlugin::GetContext()

   388 {

   389 	return m_ctx.ctx;

   390 }

   392 const char *CPlugin::GetFilename()

   393 {

   394 	return m_filename;

   395 }

   397 PluginType CPlugin::GetType()

   398 {

   399 	return m_type;

   400 }

   402 const sm_plugininfo_t *CPlugin::GetPublicInfo()

   403 {

   404 	return &m_info;

   405 }

   407 unsigned int CPlugin::GetSerial()

   408 {

   409 	return m_serial;

   410 }

   412 PluginStatus CPlugin::GetStatus()

   413 {

   414 	return m_status;

   415 }

   417 bool CPlugin::IsDebugging()

   418 {

   419 	if (!m_ctx.ctx)

   420 	{

   421 		return false;

   422 	}

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

   425 }

   427 bool CPlugin::SetPauseState(bool paused)

   428 {

   429 	if (paused && GetStatus() != Plugin_Paused)

   430 	{

   431 		return false;

   432 	} else if (!paused && GetStatus() != Plugin_Running) {

   433 		return false;

   434 	}

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

   437 	if (pFunction)

   438 	{

   439 		cell_t result;

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

   441 		pFunction->Execute(&result);

   442 	}

   444 	if (paused)

   445 	{

   446 		m_status = Plugin_Paused;

   447 		m_ctx.ctx->flags |= SPFLAG_PLUGIN_PAUSED;

   448 	} else {

   449 		m_status = Plugin_Running;

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

   451 	}

   453 	g_PluginSys._SetPauseState(this, paused);

   455 	return true;

   456 }

   458 IdentityToken_t *CPlugin::GetIdentity()

   459 {

   460 	return m_ident;

   461 }

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

   464 {

   465 	int err;

   467 	if (!IsRunnable())

   468 	{

   469 		if (error)

   470 		{

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

   472 		}

   473 		return false;

   474 	}

   476 	if (debug && IsDebugging())

   477 	{

   478 		if (error)

   479 		{

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

   481 		}

   482 		return false;

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

   484 		if (error)

   485 		{

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

   487 		}

   488 		return false;

   489 	}

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

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

   493 	{

   494 		if (error)

   495 		{

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

   497 		}

   498 		return false;

   499 	}

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

   503 	if (new_ctx)

   504 	{

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

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

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

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

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

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

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

   513 		uint32_t nativeCount = m_plugin->info.natives_num;

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

   515 		{

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

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

   518 		}

   520 		g_pVM->FreeContext(m_ctx.ctx);

   521 		m_ctx.ctx = new_ctx;

   522 		m_ctx.base->SetContext(new_ctx);

   524 		UpdateInfo();

   525 	} else {

   526 		if (error)

   527 		{

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

   529 		}

   530 		return false;

   531 	}

   533 	return true;

   534 }

   536 bool CPlugin::IsRunnable()

   537 {

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

   539 }

   541 time_t CPlugin::GetFileTimeStamp()

   542 {

   543 	char path[PLATFORM_MAX_PATH];

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

   545 #ifdef PLATFORM_WINDOWS

   546 	struct _stat s;

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

   548 #elif defined PLATFORM_POSIX

   549 	struct stat s;

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

   551 #endif

   552 	{

   553 		return 0;

   554 	} else {

   555 		return s.st_mtime;

   556 	}

   557 }

   559 time_t CPlugin::GetTimeStamp()

   560 {

   561 	return m_LastAccess;

   562 }

   564 void CPlugin::SetTimeStamp(time_t t)

   565 {

   566 	m_LastAccess = t;

   567 }

   569 void CPlugin::AddLangFile(unsigned int index)

   570 {

   571 	m_PhraseFiles.push_back(index);

   572 }

   574 size_t CPlugin::GetLangFileCount()

   575 {

   576 	return m_PhraseFiles.size();

   577 }

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

   580 {

   581 	return m_PhraseFiles.at(index);

   582 }

   584 void CPlugin::DependencyDropped(CPlugin *pOwner)

   585 {

   586 	if (!m_ctx.ctx)

   587 	{

   588 		return;

   589 	}

   591 	List<FakeNative *>::iterator iter;

   592 	FakeNative *pNative;

   593 	sp_native_t *native;

   594 	uint32_t idx;

   595 	unsigned int unbound = 0;

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

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

   599 		 iter++)

   600 	{

   601 		pNative = (*iter);

   602 		/* Find this native! */

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

   604 		{

   605 			continue;

   606 		}

   607 		/* Unbind it */

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

   609 		native->pfn = NULL;

   610 		native->status = SP_NATIVE_UNBOUND;

   611 		unbound++;

   612 	}

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

   615 	if (unbound)

   616 	{

   617 		m_FakeNativesMissing = true;

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

   619 	}

   621 	m_dependsOn.remove(pOwner);

   622 }

   624 unsigned int CPlugin::GetConfigCount()

   625 {

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

   627 }

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

   630 {

   631 	if (i >= GetConfigCount())

   632 	{

   633 		return NULL;

   634 	}

   636 	return m_configs[i];

   637 }

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

   640 {

   641 	AutoConfig *c = new AutoConfig;

   643 	c->autocfg = cfg;

   644 	c->folder = folder;

   645 	c->create = autoCreate;

   647 	m_configs.push_back(c);

   648 }

   650 /*******************

   651  * PLUGIN ITERATOR *

   652  *******************/

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

   655 {

   656 	mylist = _mylist;

   657 	Reset();

   658 }

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

   661 {

   662 	return (*current);

   663 }

   665 bool CPluginManager::CPluginIterator::MorePlugins()

   666 {

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

   668 }

   670 void CPluginManager::CPluginIterator::NextPlugin()

   671 {

   672 	current++;

   673 }

   675 void CPluginManager::CPluginIterator::Release()

   676 {

   677 	g_PluginSys.ReleaseIterator(this);

   678 }

   680 CPluginManager::CPluginIterator::~CPluginIterator()

   681 {

   682 }

   684 void CPluginManager::CPluginIterator::Reset()

   685 {

   686 	current = mylist->begin();

   687 }

   689 /******************

   690  * PLUGIN MANAGER *

   691  ******************/

   693 CPluginManager::CPluginManager()

   694 {

   695 	m_LoadLookup = sm_trie_create();

   696 	m_AllPluginsLoaded = false;

   697 	m_MyIdent = NULL;

   698 	m_pNativeLookup = sm_trie_create();

   699 }

   701 CPluginManager::~CPluginManager()

   702 {

   703 	/* :NOTICE:

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

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

   706 	 * will crash anyway.  YAY

   707 	 */

   708 	sm_trie_destroy(m_LoadLookup);

   709 	sm_trie_destroy(m_pNativeLookup);

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

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

   713 	{

   714 		delete (*iter);

   715 	}

   716 	m_iters.popall();

   717 }

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

   720 {

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

   722 	SMCParseError err;

   723 	unsigned int line, col;

   724 	m_AllPluginsLoaded = false;

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

   726 	{

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

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

   729 		if (err_msg)

   730 		{

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

   732 		}

   733 	}

   735 	LoadPluginsFromDir(basedir, NULL);

   736 }

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

   739 {

   740 	char base_path[PLATFORM_MAX_PATH];

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

   743 	if (localpath == NULL)

   744 	{

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

   746 	} else {

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

   748 	}

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

   752 	if (!dir)

   753 	{

   754 		char error[256];

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

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

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

   758 		return;

   759 	}

   761 	while (dir->MoreFiles())

   762 	{

   763 		if (dir->IsEntryDirectory()

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

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

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

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

   768 		{

   769 			char new_local[PLATFORM_MAX_PATH];

   770 			if (localpath == NULL)

   771 			{

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

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

   774 			} else {

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

   776 			}

   777 			LoadPluginsFromDir(basedir, new_local);

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

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

   780 			size_t len = strlen(name);

   781 			if (len >= 4

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

   783 			{

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

   785 				char plugin[PLATFORM_MAX_PATH];

   786 				if (localpath == NULL)

   787 				{

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

   789 				} else {

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

   791 				}

   792 				LoadAutoPlugin(plugin);

   793 			}

   794 		}

   795 		dir->NextEntry();

   796 	}

   797 	g_LibSys.CloseDirectory(dir);

   798 }

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

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

   802 {

   803 	/**

   804 	 * Does this plugin already exist?

   805 	 */

   806 	CPlugin *pPlugin;

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

   808 	{

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

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

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

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

   813 		{

   814 			UnloadPlugin(pPlugin);

   815 		} else {

   816 			if (_plugin)

   817 			{

   818 				*_plugin = pPlugin;

   819 			}

   820 			return LoadRes_AlreadyLoaded;

   821 		}

   822 	}

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

   826 	assert(pPlugin != NULL);

   828 	pPlugin->m_type = PluginType_MapUpdated;

   830 	ICompilation *co = NULL;

   832 	if (pPlugin->m_status == Plugin_Uncompiled)

   833 	{

   834 		co = pPlugin->StartMyCompile(g_pVM);

   835 	}

   837 	PluginSettings *pset;

   838 	unsigned int setcount = m_PluginInfo.GetSettingsNum();

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

   840 	{

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

   842 		{

   843 			continue;

   844 		}

   845 		pPlugin->m_type = pset->type_val;

   846 		if (co)

   847 		{

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

   849 			{

   850 				const char *key, *val;

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

   852 				if (!key || !val)

   853 				{

   854 					continue;

   855 				}

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

   857 				{

   858 					if (error)

   859 					{

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

   861 					}

   862 					pPlugin->CancelMyCompile();

   863 					co = NULL;

   864 					break;

   865 				}

   866 			}

   867 		}

   868 	}

   870 	/* Do the actual compiling */

   871 	if (co)

   872 	{

   873 		pPlugin->FinishMyCompile(error, maxlength);

   874 		co = NULL;

   875 	}

   877 	/* Get the status */

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

   879 	{

   880 		AddCoreNativesToPlugin(pPlugin);

   881 		pPlugin->InitIdentity();

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

   883 		{

   884 			/* Autoload any modules */

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

   886 		}

   887 	}

   889 	/* Save the time stamp */

   890 	time_t t = pPlugin->GetFileTimeStamp();

   891 	pPlugin->SetTimeStamp(t);

   893 	if (_plugin)

   894 	{

   895 		*_plugin = pPlugin;

   896 	}

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

   899 }

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

   902 {

   903 	CPlugin *pl;

   904 	LoadRes res;

   906 	*wasloaded = false;

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

   908 	{

   909 		delete pl;

   910 		return NULL;

   911 	}

   913 	if (res == LoadRes_AlreadyLoaded)

   914 	{

   915 		*wasloaded = true;

   916 		return pl;

   917 	}

   919 	AddPlugin(pl);

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

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

   923 	{

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

   925 		{

   926 			UnloadPlugin(pl);

   927 			return NULL;

   928 		}

   929 	}

   931 	return pl;

   932 }

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

   935 {

   936 	CPlugin *pl;

   937 	LoadRes res;

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

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

   941 	{

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

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

   944 	}

   946 	if (res == LoadRes_Successful)

   947 	{

   948 		AddPlugin(pl);

   949 	}

   950 }

   952 void CPluginManager::AddPlugin(CPlugin *pPlugin)

   953 {

   954 	List<IPluginsListener *>::iterator iter;

   955 	IPluginsListener *pListener;

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

   958 	{

   959 		pListener = (*iter);

   960 		pListener->OnPluginCreated(pPlugin);

   961 	}

   963 	m_plugins.push_back(pPlugin);

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

   965 }

   967 void CPluginManager::LoadAll_SecondPass()

   968 {

   969 	List<CPlugin *>::iterator iter;

   970 	CPlugin *pPlugin;

   972 	char error[256];

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

   974 	{

   975 		pPlugin = (*iter);

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

   977 		{

   978 			error[0] = '\0';

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

   980 			{

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

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

   983 			}

   984 		}

   985 	}

   987 	m_AllPluginsLoaded = true;

   988 }

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

   991 {

   992 	/* Find any extensions this plugin needs */

   993 	struct _ext

   994 	{

   995 		cell_t name;

   996 		cell_t file;

   997 		cell_t autoload;

   998 		cell_t required;

   999 	} *ext;

  1001 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1002 	uint32_t num = pBase->GetPubVarsNum();

  1003 	sp_pubvar_t *pubvar;

  1004 	IExtension *pExt;

  1005 	char path[PLATFORM_MAX_PATH];

  1006 	char *file, *name;

  1007 	for (uint32_t i=0; i<num; i++)

  1008 	{

  1009 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1010 		{

  1011 			continue;

  1012 		}

  1013 		if (strncmp(pubvar->name, "__ext_", 6) == 0)

  1014 		{

  1015 			ext = (_ext *)pubvar->offs;

  1016 			if (!ext->required && !ext->autoload)

  1017 			{

  1018 				continue;

  1019 			}

  1020 			if (pBase->LocalToString(ext->file, &file) != SP_ERROR_NONE)

  1021 			{

  1022 				continue;

  1023 			}

  1024 			if (pBase->LocalToString(ext->name, &name) != SP_ERROR_NONE)

  1025 			{

  1026 				continue;

  1027 			}

  1028 			if (pass == 1)

  1029 			{

  1030 				/* Attempt to auto-load if necessary */

  1031 				if (ext->autoload)

  1032 				{

  1033 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1034 					g_Extensions.LoadAutoExtension(path);

  1035 				}

  1036 			} else if (pass == 2) {

  1037 				/* Is this required? */

  1038 				if (ext->required)

  1039 				{

  1040 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1041 					if ((pExt = g_Extensions.FindExtensionByFile(path)) == NULL)

  1042 					{

  1043 						pExt = g_Extensions.FindExtensionByName(name);

  1044 					}

  1045 					/* :TODO: should we bind to unloaded extensions?

  1046 					 * Currently the extension manager will ignore this.

  1047 					 */

  1048 					if (!pExt || !pExt->IsRunning(NULL, 0))

  1049 					{

  1050 						if (error)

  1051 						{

  1052 							snprintf(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1053 						}

  1054 						return false;

  1055 					} else {

  1056 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1057 					}

  1058 				}

  1059 			}

  1060 		}

  1061 	}

  1063 	return true;

  1064 }

  1066 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1067 {

  1068 	/* Second pass for extension requirements */

  1069 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1070 	{

  1071 		return false;

  1072 	}

  1074 	/* Bind all extra natives */

  1075 	g_Extensions.BindAllNativesToPlugin(pPlugin);

  1076 	AddFakeNativesToPlugin(pPlugin);

  1078 	/* Find any unbound natives

  1079 	 * Right now, these are not allowed

  1080 	 */

  1081 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1082 	uint32_t num = pContext->GetNativesNum();

  1083 	sp_native_t *native;

  1084 	for (unsigned int i=0; i<num; i++)

  1085 	{

  1086 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1087 		{

  1088 			break;

  1089 		}

  1090 		if (native->status == SP_NATIVE_UNBOUND

  1091 			&& native->name[0] != '@')

  1092 		{

  1093 			if (error)

  1094 			{

  1095 				snprintf(error, maxlength, "Native \"%s\" was not found.", native->name);

  1096 			}

  1097 			return false;

  1098 		}

  1099 	}

  1101 	/* Finish by telling all listeners */

  1102 	List<IPluginsListener *>::iterator iter;

  1103 	IPluginsListener *pListener;

  1104 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1105 	{

  1106 		pListener = (*iter);

  1107 		pListener->OnPluginLoaded(pPlugin);

  1108 	}

  1110 	/* Tell this plugin to finish initializing itself */

  1111 	pPlugin->Call_OnPluginStart();

  1113 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1114 	if (pPlugin->GetStatus() >= Plugin_Paused && pPlugin->m_fakeNatives.size())

  1115 	{

  1116 		List<CPlugin *>::iterator pl_iter;

  1117 		CPlugin *pOther;

  1118 		for (pl_iter = m_plugins.begin();

  1119 			 pl_iter != m_plugins.end();

  1120 			 pl_iter++)

  1121 		{

  1122 			pOther = (*pl_iter);

  1123 			if (pOther->GetStatus() == Plugin_Error

  1124 				&& pOther->m_FakeNativesMissing)

  1125 			{

  1126 				TryRefreshNatives(pOther);

  1127 			}

  1128 		}

  1129 	}

  1131 	return true;

  1132 }

  1134 void CPluginManager::AddCoreNativesToPlugin(CPlugin *pPlugin)

  1135 {

  1136 	List<sp_nativeinfo_t *>::iterator iter;

  1138 	for (iter=m_natives.begin(); iter!=m_natives.end(); iter++)

  1139 	{

  1140 		sp_nativeinfo_t *natives = (*iter);

  1141 		IPluginContext *ctx = pPlugin->GetBaseContext();

  1142 		unsigned int i=0;

  1143 		/* Attempt to bind every native! */

  1144 		while (natives[i].func != NULL)

  1145 		{

  1146 			ctx->BindNative(&natives[i++]);

  1147 		}

  1148 	}

  1149 }

  1151 void CPluginManager::TryRefreshNatives(CPlugin *pPlugin)

  1152 {

  1153 	assert(pPlugin->GetBaseContext() != NULL);

  1155 	AddFakeNativesToPlugin(pPlugin);

  1157 	/* Find any unbound natives

  1158 	 * Right now, these are not allowed

  1159 	 */

  1160 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1161 	uint32_t num = pContext->GetNativesNum();

  1162 	sp_native_t *native;

  1163 	for (unsigned int i=0; i<num; i++)

  1164 	{

  1165 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1166 		{

  1167 			break;

  1168 		}

  1169 		if (native->status == SP_NATIVE_UNBOUND)

  1170 		{

  1171 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1172 			return;

  1173 		}

  1174 	}

  1176 	/* If we got here, all natives are okay again! */

  1177 	pPlugin->m_status = Plugin_Running;

  1178 	if ((pPlugin->m_ctx.ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1179 	{

  1180 		pPlugin->m_ctx.ctx->flags &= ~SPFLAG_PLUGIN_PAUSED;

  1181 		_SetPauseState(pPlugin, false);

  1182 	}

  1183 }

  1185 void CPluginManager::AddFakeNativesToPlugin(CPlugin *pPlugin)

  1186 {

  1187 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1188 	sp_nativeinfo_t native;

  1190 	List<FakeNative *>::iterator iter;

  1191 	FakeNative *pNative;

  1192 	sp_context_t *ctx;

  1193 	for (iter = m_Natives.begin(); iter != m_Natives.end(); iter++)

  1194 	{

  1195 		pNative = (*iter);

  1196 		ctx = pNative->ctx->GetContext();

  1197 		if ((ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1198 		{

  1199 			/* Ignore natives in paused plugins */

  1200 			continue;

  1201 		}

  1202 		native.name = pNative->name.c_str();

  1203 		native.func = pNative->func;

  1204 		if (pContext->BindNative(&native) == SP_ERROR_NONE)

  1205 		{

  1206 			/* Add us as a dependency, but we're careful not to do this circularly! */

  1207 			if (pNative->ctx != pContext)

  1208 			{

  1209 				CPlugin *pOther = GetPluginByCtx(ctx);

  1210 				if (pOther->m_dependents.find(pPlugin) == pOther->m_dependents.end())

  1211 				{

  1212 					pOther->m_dependents.push_back(pPlugin);

  1213 				}

  1214 				if (pPlugin->m_dependsOn.find(pOther) == pPlugin->m_dependsOn.end())

  1215 				{

  1216 					pPlugin->m_dependsOn.push_back(pOther);

  1217 				}

  1218 			}

  1219 		}

  1220 	}

  1221 }

  1223 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1224 {

  1225 	CPlugin *pPlugin = (CPlugin *)plugin;

  1227 	/* This prevents removal during insertion or anything else weird */

  1228 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1229 	{

  1230 		return false;

  1231 	}

  1233 	/* Remove us from the lookup table and linked list */

  1234 	m_plugins.remove(pPlugin);

  1235 	sm_trie_delete(m_LoadLookup, pPlugin->m_filename);

  1237 	/* Go through all dependent plugins and tell them this plugin is now gone */

  1238 	List<CPlugin *>::iterator pl_iter;

  1239 	CPlugin *pOther;

  1240 	for (pl_iter = pPlugin->m_dependents.begin();

  1241 		 pl_iter != pPlugin->m_dependents.end();

  1242 		 pl_iter++)

  1243 	{

  1244 		pOther = (*pl_iter);

  1245 		pOther->DependencyDropped(pPlugin);

  1246 	}

  1248 	/* Tell everyone we depend on that we no longer exist */

  1249 	for (pl_iter = pPlugin->m_dependsOn.begin();

  1250 		 pl_iter != pPlugin->m_dependsOn.end();

  1251 		 pl_iter++)

  1252 	{

  1253 		pOther = (*pl_iter);

  1254 		pOther->m_dependents.remove(pPlugin);

  1255 	}

  1257 	/* Remove all of our native functions */

  1258 	List<FakeNative *>::iterator fn_iter;

  1259 	FakeNative *pNative;

  1260 	for (fn_iter = pPlugin->m_fakeNatives.begin();

  1261 		 fn_iter != pPlugin->m_fakeNatives.end();

  1262 		 fn_iter++)

  1263 	{

  1264 		pNative = (*fn_iter);

  1265 		m_Natives.remove(pNative);

  1266 		sm_trie_delete(m_pNativeLookup, pNative->name.c_str());

  1267 		g_pVM->DestroyFakeNative(pNative->func);

  1268 		delete pNative;

  1269 	}

  1271 	List<IPluginsListener *>::iterator iter;

  1272 	IPluginsListener *pListener;

  1274 	if (pPlugin->GetStatus() <= Plugin_Error)

  1275 	{

  1276 		/* Notify listeners of unloading */

  1277 		for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1278 		{

  1279 			pListener = (*iter);

  1280 			pListener->OnPluginUnloaded(pPlugin);

  1281 		}

  1282 		/* Notify plugin */

  1283 		pPlugin->Call_OnPluginEnd();

  1284 	}

  1286 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1287 	{

  1288 		/* Notify listeners of destruction */

  1289 		pListener = (*iter);

  1290 		pListener->OnPluginDestroyed(pPlugin);

  1291 	}

  1293 	/* Tell the plugin to delete itself */

  1294 	delete pPlugin;

  1296 	return true;

  1297 }

  1299 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1300 {

  1301 	IPlugin *pl = (IPlugin *)ctx->user[SM_CONTEXTVAR_MYSELF];

  1302 	return pl;

  1303 }

  1305 unsigned int CPluginManager::GetPluginCount()

  1306 {

  1307 	return m_plugins.size();

  1308 }

  1310 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1311 {

  1312 	m_listeners.push_back(listener);

  1313 }

  1315 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1316 {

  1317 	m_listeners.remove(listener);

  1318 }

  1320 IPluginIterator *CPluginManager::GetPluginIterator()

  1321 {

  1322 	if (m_iters.empty())

  1323 	{

  1324 		return new CPluginIterator(&m_plugins);

  1325 	} else {

  1326 		CPluginIterator *iter = m_iters.front();

  1327 		m_iters.pop();

  1328 		iter->Reset();

  1329 		return iter;

  1330 	}

  1331 }

  1333 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1334 {

  1335 	m_iters.push(iter);

  1336 }

  1338 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1339 {

  1340 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1341 	size_t alias_len = 0;

  1342 	size_t local_len = 0;

  1344 	const char *ptr = alias;

  1345 	unsigned int alias_explicit_paths = 0;

  1346 	unsigned int alias_path_end = 0;

  1347 	while (*ptr != '\0')

  1348 	{

  1349 		if (*ptr == '\\' || *ptr == '/')

  1350 		{

  1351 			alias_explicit_paths++;

  1352 			alias_path_end = alias_len;

  1353 		}

  1354 		alias_len++;

  1355 		ptr++;

  1356 	}

  1358 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1359 	{

  1360 		/* Trailing slash is totally invalid here */

  1361 		return false;

  1362 	}

  1364 	ptr = localpath;

  1365 	unsigned int local_explicit_paths = 0;

  1366 	unsigned int local_path_end = 0;

  1367 	while (*ptr != '\0')

  1368 	{

  1369 		if (*ptr == '\\' || *ptr == '/')

  1370 		{

  1371 			local_explicit_paths++;

  1372 			local_path_end = local_len;

  1373 		}

  1374 		local_len++;

  1375 		ptr++;

  1376 	}

  1378 	/* If the alias has more explicit paths than the real path,

  1379 	 * no match will be possible.

  1380 	 */

  1381 	if (alias_explicit_paths > local_explicit_paths)

  1382 	{

  1383 		return false;

  1384 	}

  1386 	if (alias_explicit_paths)

  1387 	{

  1388 		/* We need to find if the paths match now.  For example, these should all match:

  1389 		 * csdm     csdm

  1390 		 * csdm     optional/csdm

  1391 		 * csdm/ban optional/crab/csdm/ban

  1392 		*/

  1393 		const char *aliasptr = alias;

  1394 		const char *localptr = localpath;

  1395 		bool match = true;

  1396 		do

  1397 		{

  1398 			if (*aliasptr != *localptr)

  1399 			{

  1400 				/* We have to knock one path off */

  1401 				local_explicit_paths--;

  1402 				if (alias_explicit_paths > local_explicit_paths)

  1403 				{

  1404 					/* Skip out if we're gonna have an impossible match */

  1405 					return false;

  1406 				}

  1407 				/* Eat up localptr tokens until we get a result */

  1408 				while (((localptr - localpath) < (int)local_path_end)

  1409 					&& *localptr != '/'

  1410 					&& *localptr != '\\')

  1411 				{

  1412 					localptr++;

  1413 				}

  1414 				/* Check if we hit the end of our searchable area.

  1415 				 * This probably isn't possible because of the path

  1416 				 * count check, but it's a good idea anyway.

  1417 				 */

  1418 				if ((localptr - localpath) >= (int)local_path_end)

  1419 				{

  1420 					return false;

  1421 				} else {

  1422 					/* Consume the slash token */

  1423 					localptr++;

  1424 				}

  1425 				/* Reset the alias pointer so we can continue consuming */

  1426 				aliasptr = alias;

  1427 				match = false;

  1428 				continue;

  1429 			}

  1430 			/* Note:

  1431 			 * This is safe because if localptr terminates early, aliasptr will too

  1432 			 */

  1433 			do

  1434 			{

  1435 				/* We should never reach the end of the string because of this check. */

  1436 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1437 				bool localend = (localptr - localpath) > (int)local_path_end;

  1438 				if (aliasend || localend)

  1439 				{

  1440 					if (aliasend && localend)

  1441 					{

  1442 						/* we matched, and we can break out now */

  1443 						match = true;

  1444 						break;

  1445 					}

  1446 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1447 					match = false;

  1448 					break;

  1449 				}

  1451 				/* If we got here, it's safe to compare the next two tokens */

  1452 				if (*localptr != *aliasptr)

  1453 				{

  1454 					match = false;

  1455 					break;

  1456 				}

  1457 				localptr++;

  1458 				aliasptr++;

  1459 			} while (true);

  1460 		} while (!match);

  1461 	}

  1463 	/* If we got here, it's time to compare filenames */

  1464 	const char *aliasptr = alias;

  1465 	const char *localptr = localpath;

  1467 	if (alias_explicit_paths)

  1468 	{

  1469 		aliasptr = &alias[alias_path_end + 1];

  1470 	}

  1472 	if (local_explicit_paths)

  1473 	{

  1474 		localptr = &localpath[local_path_end + 1];

  1475 	}

  1477 	while (true)

  1478 	{

  1479 		if (*aliasptr == '*')

  1480 		{

  1481 			/* First, see if this is the last character */

  1482 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1483 			{

  1484 				/* If so, there's no need to match anything else */

  1485 				return true;

  1486 			}

  1487 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1488 			 * Note that we only need to search up to the next asterisk.

  1489 			 */

  1490 			aliasptr++;

  1491 			bool match = true;

  1492 			const char *local_orig = localptr;

  1493 			do

  1494 			{

  1495 				match = true;

  1496 				while (*aliasptr != '\0' && *aliasptr != '*')

  1497 				{

  1498 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1499 					if (*aliasptr != *localptr)

  1500 					{

  1501 						match = false;

  1502 						break;

  1503 					}

  1504 					aliasptr++;

  1505 					localptr++;

  1506 				}

  1507 				if (!match)

  1508 				{

  1509 					/* If we didn't get a match, we need to advance the search stream.

  1510 					 * This will let us skip tokens while still searching for another match.

  1511 					 */

  1512 					localptr = ++local_orig;

  1513 					/* Make sure we don't go out of bounds */

  1514 					if (*localptr == '\0')

  1515 					{

  1516 						break;

  1517 					}

  1518 				}

  1519 			} while (!match);

  1521 			if (!match)

  1522 			{

  1523 				return false;

  1524 			} else {

  1525 				/* If we got a match, move on to the next token */

  1526 				continue;

  1527 			}

  1528 		} else if (*aliasptr == '\0') {

  1529 			if (*localptr == '\0'

  1530 				||

  1531 				strcmp(localptr, ".smx") == 0)

  1532 			{

  1533 				return true;

  1534 			} else {

  1535 				return false;

  1536 			}

  1537 		} else if (*aliasptr != *localptr) {

  1538 			return false;

  1539 		}

  1540 		aliasptr++;

  1541 		localptr++;

  1542 	}

  1544 	return true;

  1545 }

  1547 bool CPluginManager::IsLateLoadTime() const

  1548 {

  1549 	return (m_AllPluginsLoaded || !g_SourceMod.IsMapLoading());

  1550 }

  1552 void CPluginManager::OnSourceModAllInitialized()

  1553 {

  1554 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1556 	HandleAccess sec;

  1557 	g_HandleSys.InitAccessDefaults(NULL, &sec);

  1559 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1560 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1562 	g_PluginType = g_HandleSys.CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1563 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1565 	g_RootMenu.AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1567 	g_ShareSys.AddInterface(NULL, this);

  1568 }

  1570 void CPluginManager::OnSourceModShutdown()

  1571 {

  1572 	g_RootMenu.RemoveRootConsoleCommand("plugins", this);

  1574 	List<CPlugin *>::iterator iter;

  1575 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  1576 	{

  1577 		UnloadPlugin((*iter));

  1578 	}

  1580 	g_HandleSys.RemoveType(g_PluginType, m_MyIdent);

  1581 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1582 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1583 }

  1585 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1586 {

  1587 	/* We don't care about the internal object, actually */

  1588 }

  1590 void CPluginManager::RegisterNativesFromCore(sp_nativeinfo_t *natives)

  1591 {

  1592 	m_natives.push_back(natives);

  1593 }

  1595 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1596 {

  1597 	IPlugin *pPlugin;

  1598 	HandleError _err;

  1600 	HandleSecurity sec;

  1602 	sec.pOwner = NULL;

  1603 	sec.pIdentity = m_MyIdent;

  1605 	if ((_err=g_HandleSys.ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1606 	{

  1607 		pPlugin = NULL;

  1608 	}

  1610 	if (err)

  1611 	{

  1612 		*err = _err;

  1613 	}

  1615 	return pPlugin;

  1616 }

  1618 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1619 {

  1620 	if (num < 1 || num > (int)GetPluginCount())

  1621 	{

  1622 		return NULL;

  1623 	}

  1625 	CPlugin *pl;

  1626 	int id = 1;

  1628 	IPluginIterator *iter = GetPluginIterator();

  1629 	for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++) {}

  1631 	pl = (CPlugin *)(iter->GetPlugin());

  1632 	iter->Release();

  1634 	return pl;

  1635 }

  1637 const char *CPluginManager::GetStatusText(PluginStatus st)

  1638 {

  1639 	switch (st)

  1640 	{

  1641 	case Plugin_Running:

  1642 		return "Running";

  1643 	case Plugin_Paused:

  1644 		return "Paused";

  1645 	case Plugin_Error:

  1646 		return "Error";

  1647 	case Plugin_Uncompiled:

  1648 		return "Uncompiled";

  1649 	case Plugin_BadLoad:

  1650 		return "Bad Load";

  1651 	case Plugin_Failed:

  1652 		return "Failed";

  1653 	default:

  1654 		assert(false);

  1655 		return "-";

  1656 	}

  1657 }

  1659 void CPluginManager::OnRootConsoleCommand(const char *command, unsigned int argcount)

  1660 {

  1661 	if (argcount >= 3)

  1662 	{

  1663 		const char *cmd = g_RootMenu.GetArgument(2);

  1664 		if (strcmp(cmd, "list") == 0)

  1665 		{

  1666 			char buffer[256];

  1667 			unsigned int id = 1;

  1668 			int plnum = GetPluginCount();

  1670 			if (!plnum)

  1671 			{

  1672 				g_RootMenu.ConsolePrint("[SM] No plugins loaded");

  1673 				return;

  1674 			} else {

  1675 				g_RootMenu.ConsolePrint("[SM] Listing %d plugin%s:", GetPluginCount(), (plnum > 1) ? "s" : "");

  1676 			}

  1678 			IPluginIterator *iter = GetPluginIterator();

  1679 			for (; iter->MorePlugins(); iter->NextPlugin(), id++)

  1680 			{

  1681 				IPlugin *pl = iter->GetPlugin();

  1682 				assert(pl->GetStatus() != Plugin_Created);

  1683 				int len = 0;

  1684 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1685 				if (pl->GetStatus() != Plugin_Running)

  1686 				{

  1687 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1688 				} else {

  1689 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d", id);

  1690 				}

  1691 				len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1692 				if (IS_STR_FILLED(info->version))

  1693 				{

  1694 					len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  1695 				}

  1696 				if (IS_STR_FILLED(info->author))

  1697 				{

  1698 					UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  1699 				}

  1700 				g_RootMenu.ConsolePrint("%s", buffer);

  1701 			}

  1703 			iter->Release();

  1704 			return;

  1705 		} else if (strcmp(cmd, "load") == 0) {

  1706 			if (argcount < 4)

  1707 			{

  1708 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins load <file>");

  1709 				return;

  1710 			}

  1712 			char error[128];

  1713 			bool wasloaded;

  1714 			const char *filename = g_RootMenu.GetArgument(3);

  1716 			char pluginfile[256];

  1717 			const char *ext = g_LibSys.GetFileExtension(filename) ? "" : ".smx";

  1718 			UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", filename, ext);

  1720 			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  1722 			if (wasloaded)

  1723 			{

  1724 				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);

  1725 				return;

  1726 			}

  1728 			if (pl)

  1729 			{

  1730 				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);

  1731 			} else {

  1732 				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);

  1733 			}

  1735 			return;

  1736 		} else if (strcmp(cmd, "unload") == 0) {

  1737 			if (argcount < 4)

  1738 			{

  1739 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins unload <#>");

  1740 				return;

  1741 			}

  1743 			int id = 1;

  1744 			int num = atoi(g_RootMenu.GetArgument(3));

  1745 			if (num < 1 || num > (int)GetPluginCount())

  1746 			{

  1747 				g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", num);

  1748 				return;

  1749 			}

  1751 			IPluginIterator *iter = GetPluginIterator();

  1752 			for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++)

  1753 				;

  1754 			IPlugin *pl = iter->GetPlugin();

  1756 			char name[PLATFORM_MAX_PATH];

  1757 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  1758 			strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1760 			if (UnloadPlugin(pl))

  1761 			{

  1762 				g_RootMenu.ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  1763 			} else {

  1764 				g_RootMenu.ConsolePrint("[SM] Failed to unload plugin %s.", name);

  1765 			}

  1767 			iter->Release();

  1768 			return;

  1769 		} else if (strcmp(cmd, "info") == 0) {

  1770 			if (argcount < 4)

  1771 			{

  1772 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins info <#>");

  1773 				return;

  1774 			}

  1776 			int num = atoi(g_RootMenu.GetArgument(3));

  1777 			if (num < 1 || num > (int)GetPluginCount())

  1778 			{

  1779 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  1780 				return;

  1781 			}

  1783 			CPlugin *pl = GetPluginByOrder(num);

  1784 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  1786 			g_RootMenu.ConsolePrint("  Filename: %s", pl->GetFilename());

  1787 			if (pl->GetStatus() <= Plugin_Error)

  1788 			{

  1789 				if (IS_STR_FILLED(info->name))

  1790 				{

  1791 					if (IS_STR_FILLED(info->description))

  1792 					{

  1793 						g_RootMenu.ConsolePrint("  Title: %s (%s)", info->name, info->description);

  1794 					} else {

  1795 						g_RootMenu.ConsolePrint("  Title: %s", info->name);

  1796 					}

  1797 				}

  1798 				if (IS_STR_FILLED(info->author))

  1799 				{

  1800 					g_RootMenu.ConsolePrint("  Author: %s", info->author);

  1801 				}

  1802 				if (IS_STR_FILLED(info->version))

  1803 				{

  1804 					g_RootMenu.ConsolePrint("  Version: %s", info->version);

  1805 				}

  1806 				if (IS_STR_FILLED(info->url))

  1807 				{

  1808 					g_RootMenu.ConsolePrint("  URL: %s", info->url);

  1809 				}

  1810 				if (pl->GetStatus() == Plugin_Error)

  1811 				{

  1812 					g_RootMenu.ConsolePrint("  Error: %s", pl->m_errormsg);

  1813 				} else {

  1814 					g_RootMenu.ConsolePrint("  Debugging: %s", pl->IsDebugging() ? "Yes" : "No");

  1815 					g_RootMenu.ConsolePrint("  Running: %s", pl->GetStatus() == Plugin_Running ? "Yes" : "No");

  1817 					const char *typestr = "";

  1818 					switch (pl->GetType())

  1819 					{

  1820 					case PluginType_MapUpdated:

  1821 						typestr = "Map Change if Updated";

  1822 						break;

  1823 					case PluginType_MapOnly:

  1824 						typestr = "Map Change";

  1825 						break;

  1826 					case PluginType_Private:

  1827 					case PluginType_Global:

  1828 						typestr = "Never";

  1829 						break;

  1830 					}

  1832 					g_RootMenu.ConsolePrint("  Reloads: %s", typestr);

  1833 				}

  1834 			} else {

  1835 				g_RootMenu.ConsolePrint("  Load error: %s", pl->m_errormsg);

  1836 				g_RootMenu.ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  1837 										info->name ? info->name : "<none>",

  1838 										info->version ? info->version : "<none>");

  1839 				if (IS_STR_FILLED(info->url))

  1840 				{

  1841 					g_RootMenu.ConsolePrint("  File URL: %s", info->url);

  1842 				}

  1843 			}

  1845 			return;

  1846 		} else if (strcmp(cmd, "debug") == 0) {

  1847 			if (argcount < 5)

  1848 			{

  1849 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins debug <#> [on|off]");

  1850 				return;

  1851 			}

  1853 			int num = atoi(g_RootMenu.GetArgument(3));

  1854 			if (num < 1 || num > (int)GetPluginCount())

  1855 			{

  1856 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  1857 				return;

  1858 			}

  1860 			int res;

  1861 			const char *mode = g_RootMenu.GetArgument(4);

  1862 			if ((res=strcmp("on", mode)) && strcmp("off", mode))

  1863 			{

  1864 				g_RootMenu.ConsolePrint("[SM] The only possible options are \"on\" and \"off.\"");

  1865 				return;

  1866 			}

  1868 			bool debug;

  1869 			if (!res)

  1870 			{

  1871 				debug = true;

  1872 			} else {

  1873 				debug = false;

  1874 			}

  1876 			CPlugin *pl = GetPluginByOrder(num);

  1877 			if (debug && pl->IsDebugging())

  1878 			{

  1879 				g_RootMenu.ConsolePrint("[SM] This plugin is already in debug mode.");

  1880 				return;

  1881 			} else if (!debug && !pl->IsDebugging()) {

  1882 				g_RootMenu.ConsolePrint("[SM] Debug mode is already disabled in this plugin.");

  1883 				return;

  1884 			}

  1886 			char error[256];

  1887 			if (pl->ToggleDebugMode(debug, error, sizeof(error)))

  1888 			{

  1889 				g_RootMenu.ConsolePrint("[SM] Successfully toggled debug mode on plugin %s.", pl->GetFilename());

  1890 				return;

  1891 			} else {

  1892 				g_RootMenu.ConsolePrint("[SM] Could not toggle debug mode on plugin %s.", pl->GetFilename());

  1893 				g_RootMenu.ConsolePrint("[SM] Plugin returned error: %s", error);

  1894 				return;

  1895 			}

  1896 		}

  1897 	}

  1899 	/* Draw the main menu */

  1900 	g_RootMenu.ConsolePrint("SourceMod Plugins Menu:");

  1901 	g_RootMenu.DrawGenericOption("list", "Show loaded plugins");

  1902 	g_RootMenu.DrawGenericOption("load", "Load a plugin");

  1903 	g_RootMenu.DrawGenericOption("unload", "Unload a plugin");

  1904 	g_RootMenu.DrawGenericOption("info", "Information about a plugin");

  1905 	g_RootMenu.DrawGenericOption("debug", "Toggle debug mode on a plugin");

  1906 }

  1908 void CPluginManager::ReloadOrUnloadPlugins()

  1909 {

  1910 	List<CPlugin *>::iterator iter;

  1911 	List<CPlugin *> tmp_list = m_plugins;

  1912 	CPlugin *pl;

  1913 	time_t t;

  1915 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  1916 	{

  1917 		pl = (*iter);

  1918 		if (pl->GetType() ==  PluginType_MapOnly)

  1919 		{

  1920 			UnloadPlugin((IPlugin *)pl);

  1921 		} else if (pl->GetType() == PluginType_MapUpdated) {

  1922 			t = pl->GetFileTimeStamp();

  1923 			if (!t || t > pl->GetTimeStamp())

  1924 			{

  1925 				pl->SetTimeStamp(t);

  1926 				UnloadPlugin((IPlugin *)pl);

  1927 			}

  1928 		}

  1929 	}

  1930 }

  1932 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  1933 {

  1934 	List<IPluginsListener *>::iterator iter;

  1935 	IPluginsListener *pListener;

  1936 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1937 	{

  1938 		pListener = (*iter);

  1939 		pListener->OnPluginPauseChange(pl, paused);

  1940 	}

  1941 }

  1943 bool CPluginManager::AddFakeNative(IPluginFunction *pFunction, const char *name, SPVM_FAKENATIVE_FUNC func)

  1944 {

  1945 	if (sm_trie_retrieve(m_pNativeLookup, name, NULL))

  1946 	{

  1947 		return false;

  1948 	}

  1950 	FakeNative *pNative = new FakeNative;

  1952 	pNative->func = g_pVM->CreateFakeNative(func, pNative);

  1953 	if (!pNative->func)

  1954 	{

  1955 		delete pNative;

  1956 		return false;

  1957 	}

  1959 	pNative->call = pFunction;

  1960 	pNative->name.assign(name);

  1961 	pNative->ctx = pFunction->GetParentContext();

  1963 	m_Natives.push_back(pNative);

  1964 	sm_trie_insert(m_pNativeLookup, name,pNative);

  1966 	CPlugin *pPlugin = GetPluginByCtx(pNative->ctx->GetContext());

  1967 	pPlugin->m_fakeNatives.push_back(pNative);

  1969 	return true;

  1970 }

  1972 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  1973 {

  1974 	List<CPlugin *>::iterator iter;

  1975 	CPlugin *pPlugin;

  1976 	IPluginFunction *pFunction;

  1978 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  1979 	{

  1980 		pPlugin = (*iter);

  1982 		if (pPlugin->GetStatus() <= Plugin_Paused)

  1983 		{

  1984 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  1986 			if (pFunction)

  1987 			{

  1988 				pForward->AddFunction(pFunction);

  1989 			}

  1990 		}

  1991 	}

  1992 }

  1994 CPlugin *CPluginManager::GetPluginFromIdentity(IdentityToken_t *pToken)

  1995 {

  1996 	if (pToken->type != g_PluginIdent)

  1997 	{

  1998 		return NULL;

  1999 	}

  2001 	return (CPlugin *)(pToken->ptr);

  2002 }

  2004 void CPluginManager::ExecAndGenPluginConfs()

  2005 {

  2006 	List<CPlugin *>::iterator iter;

  2008 	//for (iter =

  2009 }

author	David Anderson <dvander@alliedmods.net>
	Mon Jun 18 07:04:22 2007 +0000 (2007-06-18)
changeset 978	54782a83a1ef
parent 900	b38c83f9d526
child 1018	e466e7319a68
permissions	-rw-r--r--