sourcemod-central: core/systems/PluginSys.cpp@f7b2073013df

     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::Shutdown()

   720 {

   721 	List<CPlugin *>::iterator iter;

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

   724 	{

   725 		UnloadPlugin(*iter);

   726 	}

   727 }

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

   730 {

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

   732 	SMCParseError err;

   733 	unsigned int line, col;

   734 	m_AllPluginsLoaded = false;

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

   736 	{

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

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

   739 		if (err_msg)

   740 		{

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

   742 		}

   743 	}

   745 	LoadPluginsFromDir(basedir, NULL);

   746 }

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

   749 {

   750 	char base_path[PLATFORM_MAX_PATH];

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

   753 	if (localpath == NULL)

   754 	{

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

   756 	} else {

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

   758 	}

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

   762 	if (!dir)

   763 	{

   764 		char error[256];

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

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

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

   768 		return;

   769 	}

   771 	while (dir->MoreFiles())

   772 	{

   773 		if (dir->IsEntryDirectory()

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

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

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

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

   778 		{

   779 			char new_local[PLATFORM_MAX_PATH];

   780 			if (localpath == NULL)

   781 			{

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

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

   784 			} else {

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

   786 			}

   787 			LoadPluginsFromDir(basedir, new_local);

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

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

   790 			size_t len = strlen(name);

   791 			if (len >= 4

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

   793 			{

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

   795 				char plugin[PLATFORM_MAX_PATH];

   796 				if (localpath == NULL)

   797 				{

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

   799 				} else {

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

   801 				}

   802 				LoadAutoPlugin(plugin);

   803 			}

   804 		}

   805 		dir->NextEntry();

   806 	}

   807 	g_LibSys.CloseDirectory(dir);

   808 }

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

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

   812 {

   813 	/**

   814 	 * Does this plugin already exist?

   815 	 */

   816 	CPlugin *pPlugin;

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

   818 	{

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

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

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

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

   823 		{

   824 			UnloadPlugin(pPlugin);

   825 		} else {

   826 			if (_plugin)

   827 			{

   828 				*_plugin = pPlugin;

   829 			}

   830 			return LoadRes_AlreadyLoaded;

   831 		}

   832 	}

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

   836 	assert(pPlugin != NULL);

   838 	pPlugin->m_type = PluginType_MapUpdated;

   840 	ICompilation *co = NULL;

   842 	if (pPlugin->m_status == Plugin_Uncompiled)

   843 	{

   844 		co = pPlugin->StartMyCompile(g_pVM);

   845 	}

   847 	PluginSettings *pset;

   848 	unsigned int setcount = m_PluginInfo.GetSettingsNum();

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

   850 	{

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

   852 		{

   853 			continue;

   854 		}

   855 		pPlugin->m_type = pset->type_val;

   856 		if (co)

   857 		{

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

   859 			{

   860 				const char *key, *val;

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

   862 				if (!key || !val)

   863 				{

   864 					continue;

   865 				}

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

   867 				{

   868 					if (error)

   869 					{

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

   871 					}

   872 					pPlugin->CancelMyCompile();

   873 					co = NULL;

   874 					break;

   875 				}

   876 			}

   877 		}

   878 	}

   880 	/* Do the actual compiling */

   881 	if (co)

   882 	{

   883 		pPlugin->FinishMyCompile(error, maxlength);

   884 		co = NULL;

   885 	}

   887 	/* Get the status */

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

   889 	{

   890 		AddCoreNativesToPlugin(pPlugin);

   891 		pPlugin->InitIdentity();

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

   893 		{

   894 			/* Autoload any modules */

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

   896 		}

   897 	}

   899 	/* Save the time stamp */

   900 	time_t t = pPlugin->GetFileTimeStamp();

   901 	pPlugin->SetTimeStamp(t);

   903 	if (_plugin)

   904 	{

   905 		*_plugin = pPlugin;

   906 	}

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

   909 }

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

   912 {

   913 	CPlugin *pl;

   914 	LoadRes res;

   916 	*wasloaded = false;

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

   918 	{

   919 		delete pl;

   920 		return NULL;

   921 	}

   923 	if (res == LoadRes_AlreadyLoaded)

   924 	{

   925 		*wasloaded = true;

   926 		return pl;

   927 	}

   929 	AddPlugin(pl);

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

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

   933 	{

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

   935 		{

   936 			UnloadPlugin(pl);

   937 			return NULL;

   938 		}

   939 	}

   941 	return pl;

   942 }

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

   945 {

   946 	CPlugin *pl;

   947 	LoadRes res;

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

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

   951 	{

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

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

   954 	}

   956 	if (res == LoadRes_Successful)

   957 	{

   958 		AddPlugin(pl);

   959 	}

   960 }

   962 void CPluginManager::AddPlugin(CPlugin *pPlugin)

   963 {

   964 	List<IPluginsListener *>::iterator iter;

   965 	IPluginsListener *pListener;

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

   968 	{

   969 		pListener = (*iter);

   970 		pListener->OnPluginCreated(pPlugin);

   971 	}

   973 	m_plugins.push_back(pPlugin);

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

   975 }

   977 void CPluginManager::LoadAll_SecondPass()

   978 {

   979 	List<CPlugin *>::iterator iter;

   980 	CPlugin *pPlugin;

   982 	char error[256];

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

   984 	{

   985 		pPlugin = (*iter);

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

   987 		{

   988 			error[0] = '\0';

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

   990 			{

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

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

   993 			}

   994 		}

   995 	}

   997 	m_AllPluginsLoaded = true;

   998 }

  1000 bool CPluginManager::LoadOrRequireExtensions(CPlugin *pPlugin, unsigned int pass, char *error, size_t maxlength)

  1001 {

  1002 	/* Find any extensions this plugin needs */

  1003 	struct _ext

  1004 	{

  1005 		cell_t name;

  1006 		cell_t file;

  1007 		cell_t autoload;

  1008 		cell_t required;

  1009 	} *ext;

  1011 	IPluginContext *pBase = pPlugin->GetBaseContext();

  1012 	uint32_t num = pBase->GetPubVarsNum();

  1013 	sp_pubvar_t *pubvar;

  1014 	IExtension *pExt;

  1015 	char path[PLATFORM_MAX_PATH];

  1016 	char *file, *name;

  1017 	for (uint32_t i=0; i<num; i++)

  1018 	{

  1019 		if (pBase->GetPubvarByIndex(i, &pubvar) != SP_ERROR_NONE)

  1020 		{

  1021 			continue;

  1022 		}

  1023 		if (strncmp(pubvar->name, "__ext_", 6) == 0)

  1024 		{

  1025 			ext = (_ext *)pubvar->offs;

  1026 			if (!ext->required && !ext->autoload)

  1027 			{

  1028 				continue;

  1029 			}

  1030 			if (pBase->LocalToString(ext->file, &file) != SP_ERROR_NONE)

  1031 			{

  1032 				continue;

  1033 			}

  1034 			if (pBase->LocalToString(ext->name, &name) != SP_ERROR_NONE)

  1035 			{

  1036 				continue;

  1037 			}

  1038 			if (pass == 1)

  1039 			{

  1040 				/* Attempt to auto-load if necessary */

  1041 				if (ext->autoload)

  1042 				{

  1043 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1044 					g_Extensions.LoadAutoExtension(path);

  1045 				}

  1046 			} else if (pass == 2) {

  1047 				/* Is this required? */

  1048 				if (ext->required)

  1049 				{

  1050 					g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s", file);

  1051 					if ((pExt = g_Extensions.FindExtensionByFile(path)) == NULL)

  1052 					{

  1053 						pExt = g_Extensions.FindExtensionByName(name);

  1054 					}

  1055 					/* :TODO: should we bind to unloaded extensions?

  1056 					 * Currently the extension manager will ignore this.

  1057 					 */

  1058 					if (!pExt || !pExt->IsRunning(NULL, 0))

  1059 					{

  1060 						if (error)

  1061 						{

  1062 							snprintf(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1063 						}

  1064 						return false;

  1065 					} else {

  1066 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1067 					}

  1068 				}

  1069 			}

  1070 		}

  1071 	}

  1073 	return true;

  1074 }

  1076 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1077 {

  1078 	/* Second pass for extension requirements */

  1079 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1080 	{

  1081 		return false;

  1082 	}

  1084 	/* Bind all extra natives */

  1085 	g_Extensions.BindAllNativesToPlugin(pPlugin);

  1086 	AddFakeNativesToPlugin(pPlugin);

  1088 	/* Find any unbound natives

  1089 	 * Right now, these are not allowed

  1090 	 */

  1091 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1092 	uint32_t num = pContext->GetNativesNum();

  1093 	sp_native_t *native;

  1094 	for (unsigned int i=0; i<num; i++)

  1095 	{

  1096 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1097 		{

  1098 			break;

  1099 		}

  1100 		if (native->status == SP_NATIVE_UNBOUND

  1101 			&& native->name[0] != '@')

  1102 		{

  1103 			if (error)

  1104 			{

  1105 				snprintf(error, maxlength, "Native \"%s\" was not found.", native->name);

  1106 			}

  1107 			return false;

  1108 		}

  1109 	}

  1111 	/* Finish by telling all listeners */

  1112 	List<IPluginsListener *>::iterator iter;

  1113 	IPluginsListener *pListener;

  1114 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1115 	{

  1116 		pListener = (*iter);

  1117 		pListener->OnPluginLoaded(pPlugin);

  1118 	}

  1120 	/* Tell this plugin to finish initializing itself */

  1121 	pPlugin->Call_OnPluginStart();

  1123 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1124 	if (pPlugin->GetStatus() >= Plugin_Paused && pPlugin->m_fakeNatives.size())

  1125 	{

  1126 		List<CPlugin *>::iterator pl_iter;

  1127 		CPlugin *pOther;

  1128 		for (pl_iter = m_plugins.begin();

  1129 			 pl_iter != m_plugins.end();

  1130 			 pl_iter++)

  1131 		{

  1132 			pOther = (*pl_iter);

  1133 			if (pOther->GetStatus() == Plugin_Error

  1134 				&& pOther->m_FakeNativesMissing)

  1135 			{

  1136 				TryRefreshNatives(pOther);

  1137 			}

  1138 		}

  1139 	}

  1141 	return true;

  1142 }

  1144 void CPluginManager::AddCoreNativesToPlugin(CPlugin *pPlugin)

  1145 {

  1146 	List<sp_nativeinfo_t *>::iterator iter;

  1148 	for (iter=m_natives.begin(); iter!=m_natives.end(); iter++)

  1149 	{

  1150 		sp_nativeinfo_t *natives = (*iter);

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

  1152 		unsigned int i=0;

  1153 		/* Attempt to bind every native! */

  1154 		while (natives[i].func != NULL)

  1155 		{

  1156 			ctx->BindNative(&natives[i++]);

  1157 		}

  1158 	}

  1159 }

  1161 void CPluginManager::TryRefreshNatives(CPlugin *pPlugin)

  1162 {

  1163 	assert(pPlugin->GetBaseContext() != NULL);

  1165 	AddFakeNativesToPlugin(pPlugin);

  1167 	/* Find any unbound natives

  1168 	 * Right now, these are not allowed

  1169 	 */

  1170 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1171 	uint32_t num = pContext->GetNativesNum();

  1172 	sp_native_t *native;

  1173 	for (unsigned int i=0; i<num; i++)

  1174 	{

  1175 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1176 		{

  1177 			break;

  1178 		}

  1179 		if (native->status == SP_NATIVE_UNBOUND)

  1180 		{

  1181 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1182 			return;

  1183 		}

  1184 	}

  1186 	/* If we got here, all natives are okay again! */

  1187 	pPlugin->m_status = Plugin_Running;

  1188 	if ((pPlugin->m_ctx.ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1189 	{

  1190 		pPlugin->m_ctx.ctx->flags &= ~SPFLAG_PLUGIN_PAUSED;

  1191 		_SetPauseState(pPlugin, false);

  1192 	}

  1193 }

  1195 void CPluginManager::AddFakeNativesToPlugin(CPlugin *pPlugin)

  1196 {

  1197 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1198 	sp_nativeinfo_t native;

  1200 	List<FakeNative *>::iterator iter;

  1201 	FakeNative *pNative;

  1202 	sp_context_t *ctx;

  1203 	for (iter = m_Natives.begin(); iter != m_Natives.end(); iter++)

  1204 	{

  1205 		pNative = (*iter);

  1206 		ctx = pNative->ctx->GetContext();

  1207 		if ((ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1208 		{

  1209 			/* Ignore natives in paused plugins */

  1210 			continue;

  1211 		}

  1212 		native.name = pNative->name.c_str();

  1213 		native.func = pNative->func;

  1214 		if (pContext->BindNative(&native) == SP_ERROR_NONE)

  1215 		{

  1216 			/* Add us as a dependency, but we're careful not to do this circularly! */

  1217 			if (pNative->ctx != pContext)

  1218 			{

  1219 				CPlugin *pOther = GetPluginByCtx(ctx);

  1220 				if (pOther->m_dependents.find(pPlugin) == pOther->m_dependents.end())

  1221 				{

  1222 					pOther->m_dependents.push_back(pPlugin);

  1223 				}

  1224 				if (pPlugin->m_dependsOn.find(pOther) == pPlugin->m_dependsOn.end())

  1225 				{

  1226 					pPlugin->m_dependsOn.push_back(pOther);

  1227 				}

  1228 			}

  1229 		}

  1230 	}

  1231 }

  1233 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1234 {

  1235 	CPlugin *pPlugin = (CPlugin *)plugin;

  1237 	/* This prevents removal during insertion or anything else weird */

  1238 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1239 	{

  1240 		return false;

  1241 	}

  1243 	/* Remove us from the lookup table and linked list */

  1244 	m_plugins.remove(pPlugin);

  1245 	sm_trie_delete(m_LoadLookup, pPlugin->m_filename);

  1247 	/* Go through all dependent plugins and tell them this plugin is now gone */

  1248 	List<CPlugin *>::iterator pl_iter;

  1249 	CPlugin *pOther;

  1250 	for (pl_iter = pPlugin->m_dependents.begin();

  1251 		 pl_iter != pPlugin->m_dependents.end();

  1252 		 pl_iter++)

  1253 	{

  1254 		pOther = (*pl_iter);

  1255 		pOther->DependencyDropped(pPlugin);

  1256 	}

  1258 	/* Tell everyone we depend on that we no longer exist */

  1259 	for (pl_iter = pPlugin->m_dependsOn.begin();

  1260 		 pl_iter != pPlugin->m_dependsOn.end();

  1261 		 pl_iter++)

  1262 	{

  1263 		pOther = (*pl_iter);

  1264 		pOther->m_dependents.remove(pPlugin);

  1265 	}

  1267 	/* Remove all of our native functions */

  1268 	List<FakeNative *>::iterator fn_iter;

  1269 	FakeNative *pNative;

  1270 	for (fn_iter = pPlugin->m_fakeNatives.begin();

  1271 		 fn_iter != pPlugin->m_fakeNatives.end();

  1272 		 fn_iter++)

  1273 	{

  1274 		pNative = (*fn_iter);

  1275 		m_Natives.remove(pNative);

  1276 		sm_trie_delete(m_pNativeLookup, pNative->name.c_str());

  1277 		g_pVM->DestroyFakeNative(pNative->func);

  1278 		delete pNative;

  1279 	}

  1281 	List<IPluginsListener *>::iterator iter;

  1282 	IPluginsListener *pListener;

  1284 	if (pPlugin->GetStatus() <= Plugin_Error)

  1285 	{

  1286 		/* Notify listeners of unloading */

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

  1288 		{

  1289 			pListener = (*iter);

  1290 			pListener->OnPluginUnloaded(pPlugin);

  1291 		}

  1292 		/* Notify plugin */

  1293 		pPlugin->Call_OnPluginEnd();

  1294 	}

  1296 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1297 	{

  1298 		/* Notify listeners of destruction */

  1299 		pListener = (*iter);

  1300 		pListener->OnPluginDestroyed(pPlugin);

  1301 	}

  1303 	/* Tell the plugin to delete itself */

  1304 	delete pPlugin;

  1306 	return true;

  1307 }

  1309 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1310 {

  1311 	IPlugin *pl = (IPlugin *)ctx->user[SM_CONTEXTVAR_MYSELF];

  1312 	return pl;

  1313 }

  1315 unsigned int CPluginManager::GetPluginCount()

  1316 {

  1317 	return m_plugins.size();

  1318 }

  1320 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1321 {

  1322 	m_listeners.push_back(listener);

  1323 }

  1325 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1326 {

  1327 	m_listeners.remove(listener);

  1328 }

  1330 IPluginIterator *CPluginManager::GetPluginIterator()

  1331 {

  1332 	if (m_iters.empty())

  1333 	{

  1334 		return new CPluginIterator(&m_plugins);

  1335 	} else {

  1336 		CPluginIterator *iter = m_iters.front();

  1337 		m_iters.pop();

  1338 		iter->Reset();

  1339 		return iter;

  1340 	}

  1341 }

  1343 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1344 {

  1345 	m_iters.push(iter);

  1346 }

  1348 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1349 {

  1350 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1351 	size_t alias_len = 0;

  1352 	size_t local_len = 0;

  1354 	const char *ptr = alias;

  1355 	unsigned int alias_explicit_paths = 0;

  1356 	unsigned int alias_path_end = 0;

  1357 	while (*ptr != '\0')

  1358 	{

  1359 		if (*ptr == '\\' || *ptr == '/')

  1360 		{

  1361 			alias_explicit_paths++;

  1362 			alias_path_end = alias_len;

  1363 		}

  1364 		alias_len++;

  1365 		ptr++;

  1366 	}

  1368 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1369 	{

  1370 		/* Trailing slash is totally invalid here */

  1371 		return false;

  1372 	}

  1374 	ptr = localpath;

  1375 	unsigned int local_explicit_paths = 0;

  1376 	unsigned int local_path_end = 0;

  1377 	while (*ptr != '\0')

  1378 	{

  1379 		if (*ptr == '\\' || *ptr == '/')

  1380 		{

  1381 			local_explicit_paths++;

  1382 			local_path_end = local_len;

  1383 		}

  1384 		local_len++;

  1385 		ptr++;

  1386 	}

  1388 	/* If the alias has more explicit paths than the real path,

  1389 	 * no match will be possible.

  1390 	 */

  1391 	if (alias_explicit_paths > local_explicit_paths)

  1392 	{

  1393 		return false;

  1394 	}

  1396 	if (alias_explicit_paths)

  1397 	{

  1398 		/* We need to find if the paths match now.  For example, these should all match:

  1399 		 * csdm     csdm

  1400 		 * csdm     optional/csdm

  1401 		 * csdm/ban optional/crab/csdm/ban

  1402 		*/

  1403 		const char *aliasptr = alias;

  1404 		const char *localptr = localpath;

  1405 		bool match = true;

  1406 		do

  1407 		{

  1408 			if (*aliasptr != *localptr)

  1409 			{

  1410 				/* We have to knock one path off */

  1411 				local_explicit_paths--;

  1412 				if (alias_explicit_paths > local_explicit_paths)

  1413 				{

  1414 					/* Skip out if we're gonna have an impossible match */

  1415 					return false;

  1416 				}

  1417 				/* Eat up localptr tokens until we get a result */

  1418 				while (((localptr - localpath) < (int)local_path_end)

  1419 					&& *localptr != '/'

  1420 					&& *localptr != '\\')

  1421 				{

  1422 					localptr++;

  1423 				}

  1424 				/* Check if we hit the end of our searchable area.

  1425 				 * This probably isn't possible because of the path

  1426 				 * count check, but it's a good idea anyway.

  1427 				 */

  1428 				if ((localptr - localpath) >= (int)local_path_end)

  1429 				{

  1430 					return false;

  1431 				} else {

  1432 					/* Consume the slash token */

  1433 					localptr++;

  1434 				}

  1435 				/* Reset the alias pointer so we can continue consuming */

  1436 				aliasptr = alias;

  1437 				match = false;

  1438 				continue;

  1439 			}

  1440 			/* Note:

  1441 			 * This is safe because if localptr terminates early, aliasptr will too

  1442 			 */

  1443 			do

  1444 			{

  1445 				/* We should never reach the end of the string because of this check. */

  1446 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1447 				bool localend = (localptr - localpath) > (int)local_path_end;

  1448 				if (aliasend || localend)

  1449 				{

  1450 					if (aliasend && localend)

  1451 					{

  1452 						/* we matched, and we can break out now */

  1453 						match = true;

  1454 						break;

  1455 					}

  1456 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1457 					match = false;

  1458 					break;

  1459 				}

  1461 				/* If we got here, it's safe to compare the next two tokens */

  1462 				if (*localptr != *aliasptr)

  1463 				{

  1464 					match = false;

  1465 					break;

  1466 				}

  1467 				localptr++;

  1468 				aliasptr++;

  1469 			} while (true);

  1470 		} while (!match);

  1471 	}

  1473 	/* If we got here, it's time to compare filenames */

  1474 	const char *aliasptr = alias;

  1475 	const char *localptr = localpath;

  1477 	if (alias_explicit_paths)

  1478 	{

  1479 		aliasptr = &alias[alias_path_end + 1];

  1480 	}

  1482 	if (local_explicit_paths)

  1483 	{

  1484 		localptr = &localpath[local_path_end + 1];

  1485 	}

  1487 	while (true)

  1488 	{

  1489 		if (*aliasptr == '*')

  1490 		{

  1491 			/* First, see if this is the last character */

  1492 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1493 			{

  1494 				/* If so, there's no need to match anything else */

  1495 				return true;

  1496 			}

  1497 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1498 			 * Note that we only need to search up to the next asterisk.

  1499 			 */

  1500 			aliasptr++;

  1501 			bool match = true;

  1502 			const char *local_orig = localptr;

  1503 			do

  1504 			{

  1505 				match = true;

  1506 				while (*aliasptr != '\0' && *aliasptr != '*')

  1507 				{

  1508 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1509 					if (*aliasptr != *localptr)

  1510 					{

  1511 						match = false;

  1512 						break;

  1513 					}

  1514 					aliasptr++;

  1515 					localptr++;

  1516 				}

  1517 				if (!match)

  1518 				{

  1519 					/* If we didn't get a match, we need to advance the search stream.

  1520 					 * This will let us skip tokens while still searching for another match.

  1521 					 */

  1522 					localptr = ++local_orig;

  1523 					/* Make sure we don't go out of bounds */

  1524 					if (*localptr == '\0')

  1525 					{

  1526 						break;

  1527 					}

  1528 				}

  1529 			} while (!match);

  1531 			if (!match)

  1532 			{

  1533 				return false;

  1534 			} else {

  1535 				/* If we got a match, move on to the next token */

  1536 				continue;

  1537 			}

  1538 		} else if (*aliasptr == '\0') {

  1539 			if (*localptr == '\0'

  1540 				||

  1541 				strcmp(localptr, ".smx") == 0)

  1542 			{

  1543 				return true;

  1544 			} else {

  1545 				return false;

  1546 			}

  1547 		} else if (*aliasptr != *localptr) {

  1548 			return false;

  1549 		}

  1550 		aliasptr++;

  1551 		localptr++;

  1552 	}

  1554 	return true;

  1555 }

  1557 bool CPluginManager::IsLateLoadTime() const

  1558 {

  1559 	return (m_AllPluginsLoaded || !g_SourceMod.IsMapLoading());

  1560 }

  1562 void CPluginManager::OnSourceModAllInitialized()

  1563 {

  1564 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1566 	HandleAccess sec;

  1567 	g_HandleSys.InitAccessDefaults(NULL, &sec);

  1569 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1570 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1572 	g_PluginType = g_HandleSys.CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1573 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1575 	g_RootMenu.AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1577 	g_ShareSys.AddInterface(NULL, this);

  1578 }

  1580 void CPluginManager::OnSourceModShutdown()

  1581 {

  1582 	g_RootMenu.RemoveRootConsoleCommand("plugins", this);

  1584 	List<CPlugin *>::iterator iter;

  1585 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  1586 	{

  1587 		UnloadPlugin((*iter));

  1588 	}

  1590 	g_HandleSys.RemoveType(g_PluginType, m_MyIdent);

  1591 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1592 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1593 }

  1595 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1596 {

  1597 	/* We don't care about the internal object, actually */

  1598 }

  1600 void CPluginManager::RegisterNativesFromCore(sp_nativeinfo_t *natives)

  1601 {

  1602 	m_natives.push_back(natives);

  1603 }

  1605 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1606 {

  1607 	IPlugin *pPlugin;

  1608 	HandleError _err;

  1610 	HandleSecurity sec;

  1612 	sec.pOwner = NULL;

  1613 	sec.pIdentity = m_MyIdent;

  1615 	if ((_err=g_HandleSys.ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1616 	{

  1617 		pPlugin = NULL;

  1618 	}

  1620 	if (err)

  1621 	{

  1622 		*err = _err;

  1623 	}

  1625 	return pPlugin;

  1626 }

  1628 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1629 {

  1630 	if (num < 1 || num > (int)GetPluginCount())

  1631 	{

  1632 		return NULL;

  1633 	}

  1635 	CPlugin *pl;

  1636 	int id = 1;

  1638 	IPluginIterator *iter = GetPluginIterator();

  1639 	for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++) {}

  1641 	pl = (CPlugin *)(iter->GetPlugin());

  1642 	iter->Release();

  1644 	return pl;

  1645 }

  1647 const char *CPluginManager::GetStatusText(PluginStatus st)

  1648 {

  1649 	switch (st)

  1650 	{

  1651 	case Plugin_Running:

  1652 		return "Running";

  1653 	case Plugin_Paused:

  1654 		return "Paused";

  1655 	case Plugin_Error:

  1656 		return "Error";

  1657 	case Plugin_Uncompiled:

  1658 		return "Uncompiled";

  1659 	case Plugin_BadLoad:

  1660 		return "Bad Load";

  1661 	case Plugin_Failed:

  1662 		return "Failed";

  1663 	default:

  1664 		assert(false);

  1665 		return "-";

  1666 	}

  1667 }

  1669 void CPluginManager::OnRootConsoleCommand(const char *command, unsigned int argcount)

  1670 {

  1671 	if (argcount >= 3)

  1672 	{

  1673 		const char *cmd = g_RootMenu.GetArgument(2);

  1674 		if (strcmp(cmd, "list") == 0)

  1675 		{

  1676 			char buffer[256];

  1677 			unsigned int id = 1;

  1678 			int plnum = GetPluginCount();

  1680 			if (!plnum)

  1681 			{

  1682 				g_RootMenu.ConsolePrint("[SM] No plugins loaded");

  1683 				return;

  1684 			} else {

  1685 				g_RootMenu.ConsolePrint("[SM] Listing %d plugin%s:", GetPluginCount(), (plnum > 1) ? "s" : "");

  1686 			}

  1688 			IPluginIterator *iter = GetPluginIterator();

  1689 			for (; iter->MorePlugins(); iter->NextPlugin(), id++)

  1690 			{

  1691 				IPlugin *pl = iter->GetPlugin();

  1692 				assert(pl->GetStatus() != Plugin_Created);

  1693 				int len = 0;

  1694 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1695 				if (pl->GetStatus() != Plugin_Running)

  1696 				{

  1697 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1698 				} else {

  1699 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d", id);

  1700 				}

  1701 				len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1702 				if (IS_STR_FILLED(info->version))

  1703 				{

  1704 					len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  1705 				}

  1706 				if (IS_STR_FILLED(info->author))

  1707 				{

  1708 					UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  1709 				}

  1710 				g_RootMenu.ConsolePrint("%s", buffer);

  1711 			}

  1713 			iter->Release();

  1714 			return;

  1715 		} else if (strcmp(cmd, "load") == 0) {

  1716 			if (argcount < 4)

  1717 			{

  1718 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins load <file>");

  1719 				return;

  1720 			}

  1722 			char error[128];

  1723 			bool wasloaded;

  1724 			const char *filename = g_RootMenu.GetArgument(3);

  1726 			char pluginfile[256];

  1727 			const char *ext = g_LibSys.GetFileExtension(filename) ? "" : ".smx";

  1728 			UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", filename, ext);

  1730 			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  1732 			if (wasloaded)

  1733 			{

  1734 				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);

  1735 				return;

  1736 			}

  1738 			if (pl)

  1739 			{

  1740 				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);

  1741 			} else {

  1742 				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);

  1743 			}

  1745 			return;

  1746 		} else if (strcmp(cmd, "unload") == 0) {

  1747 			if (argcount < 4)

  1748 			{

  1749 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins unload <#>");

  1750 				return;

  1751 			}

  1753 			int id = 1;

  1754 			int num = atoi(g_RootMenu.GetArgument(3));

  1755 			if (num < 1 || num > (int)GetPluginCount())

  1756 			{

  1757 				g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", num);

  1758 				return;

  1759 			}

  1761 			IPluginIterator *iter = GetPluginIterator();

  1762 			for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++)

  1763 				;

  1764 			IPlugin *pl = iter->GetPlugin();

  1766 			char name[PLATFORM_MAX_PATH];

  1767 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  1768 			strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1770 			if (UnloadPlugin(pl))

  1771 			{

  1772 				g_RootMenu.ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  1773 			} else {

  1774 				g_RootMenu.ConsolePrint("[SM] Failed to unload plugin %s.", name);

  1775 			}

  1777 			iter->Release();

  1778 			return;

  1779 		} else if (strcmp(cmd, "info") == 0) {

  1780 			if (argcount < 4)

  1781 			{

  1782 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins info <#>");

  1783 				return;

  1784 			}

  1786 			int num = atoi(g_RootMenu.GetArgument(3));

  1787 			if (num < 1 || num > (int)GetPluginCount())

  1788 			{

  1789 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  1790 				return;

  1791 			}

  1793 			CPlugin *pl = GetPluginByOrder(num);

  1794 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  1796 			g_RootMenu.ConsolePrint("  Filename: %s", pl->GetFilename());

  1797 			if (pl->GetStatus() <= Plugin_Error)

  1798 			{

  1799 				if (IS_STR_FILLED(info->name))

  1800 				{

  1801 					if (IS_STR_FILLED(info->description))

  1802 					{

  1803 						g_RootMenu.ConsolePrint("  Title: %s (%s)", info->name, info->description);

  1804 					} else {

  1805 						g_RootMenu.ConsolePrint("  Title: %s", info->name);

  1806 					}

  1807 				}

  1808 				if (IS_STR_FILLED(info->author))

  1809 				{

  1810 					g_RootMenu.ConsolePrint("  Author: %s", info->author);

  1811 				}

  1812 				if (IS_STR_FILLED(info->version))

  1813 				{

  1814 					g_RootMenu.ConsolePrint("  Version: %s", info->version);

  1815 				}

  1816 				if (IS_STR_FILLED(info->url))

  1817 				{

  1818 					g_RootMenu.ConsolePrint("  URL: %s", info->url);

  1819 				}

  1820 				if (pl->GetStatus() == Plugin_Error)

  1821 				{

  1822 					g_RootMenu.ConsolePrint("  Error: %s", pl->m_errormsg);

  1823 				} else {

  1824 					g_RootMenu.ConsolePrint("  Debugging: %s", pl->IsDebugging() ? "Yes" : "No");

  1825 					g_RootMenu.ConsolePrint("  Running: %s", pl->GetStatus() == Plugin_Running ? "Yes" : "No");

  1827 					const char *typestr = "";

  1828 					switch (pl->GetType())

  1829 					{

  1830 					case PluginType_MapUpdated:

  1831 						typestr = "Map Change if Updated";

  1832 						break;

  1833 					case PluginType_MapOnly:

  1834 						typestr = "Map Change";

  1835 						break;

  1836 					case PluginType_Private:

  1837 					case PluginType_Global:

  1838 						typestr = "Never";

  1839 						break;

  1840 					}

  1842 					g_RootMenu.ConsolePrint("  Reloads: %s", typestr);

  1843 				}

  1844 			} else {

  1845 				g_RootMenu.ConsolePrint("  Load error: %s", pl->m_errormsg);

  1846 				g_RootMenu.ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  1847 										info->name ? info->name : "<none>",

  1848 										info->version ? info->version : "<none>");

  1849 				if (IS_STR_FILLED(info->url))

  1850 				{

  1851 					g_RootMenu.ConsolePrint("  File URL: %s", info->url);

  1852 				}

  1853 			}

  1855 			return;

  1856 		} else if (strcmp(cmd, "debug") == 0) {

  1857 			if (argcount < 5)

  1858 			{

  1859 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins debug <#> [on|off]");

  1860 				return;

  1861 			}

  1863 			int num = atoi(g_RootMenu.GetArgument(3));

  1864 			if (num < 1 || num > (int)GetPluginCount())

  1865 			{

  1866 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  1867 				return;

  1868 			}

  1870 			int res;

  1871 			const char *mode = g_RootMenu.GetArgument(4);

  1872 			if ((res=strcmp("on", mode)) && strcmp("off", mode))

  1873 			{

  1874 				g_RootMenu.ConsolePrint("[SM] The only possible options are \"on\" and \"off.\"");

  1875 				return;

  1876 			}

  1878 			bool debug;

  1879 			if (!res)

  1880 			{

  1881 				debug = true;

  1882 			} else {

  1883 				debug = false;

  1884 			}

  1886 			CPlugin *pl = GetPluginByOrder(num);

  1887 			if (debug && pl->IsDebugging())

  1888 			{

  1889 				g_RootMenu.ConsolePrint("[SM] This plugin is already in debug mode.");

  1890 				return;

  1891 			} else if (!debug && !pl->IsDebugging()) {

  1892 				g_RootMenu.ConsolePrint("[SM] Debug mode is already disabled in this plugin.");

  1893 				return;

  1894 			}

  1896 			char error[256];

  1897 			if (pl->ToggleDebugMode(debug, error, sizeof(error)))

  1898 			{

  1899 				g_RootMenu.ConsolePrint("[SM] Successfully toggled debug mode on plugin %s.", pl->GetFilename());

  1900 				return;

  1901 			} else {

  1902 				g_RootMenu.ConsolePrint("[SM] Could not toggle debug mode on plugin %s.", pl->GetFilename());

  1903 				g_RootMenu.ConsolePrint("[SM] Plugin returned error: %s", error);

  1904 				return;

  1905 			}

  1906 		}

  1907 	}

  1909 	/* Draw the main menu */

  1910 	g_RootMenu.ConsolePrint("SourceMod Plugins Menu:");

  1911 	g_RootMenu.DrawGenericOption("list", "Show loaded plugins");

  1912 	g_RootMenu.DrawGenericOption("load", "Load a plugin");

  1913 	g_RootMenu.DrawGenericOption("unload", "Unload a plugin");

  1914 	g_RootMenu.DrawGenericOption("info", "Information about a plugin");

  1915 	g_RootMenu.DrawGenericOption("debug", "Toggle debug mode on a plugin");

  1916 }

  1918 void CPluginManager::ReloadOrUnloadPlugins()

  1919 {

  1920 	List<CPlugin *>::iterator iter;

  1921 	List<CPlugin *> tmp_list = m_plugins;

  1922 	CPlugin *pl;

  1923 	time_t t;

  1925 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  1926 	{

  1927 		pl = (*iter);

  1928 		if (pl->GetType() ==  PluginType_MapOnly)

  1929 		{

  1930 			UnloadPlugin((IPlugin *)pl);

  1931 		} else if (pl->GetType() == PluginType_MapUpdated) {

  1932 			t = pl->GetFileTimeStamp();

  1933 			if (!t || t > pl->GetTimeStamp())

  1934 			{

  1935 				pl->SetTimeStamp(t);

  1936 				UnloadPlugin((IPlugin *)pl);

  1937 			}

  1938 		}

  1939 	}

  1940 }

  1942 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  1943 {

  1944 	List<IPluginsListener *>::iterator iter;

  1945 	IPluginsListener *pListener;

  1946 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1947 	{

  1948 		pListener = (*iter);

  1949 		pListener->OnPluginPauseChange(pl, paused);

  1950 	}

  1951 }

  1953 bool CPluginManager::AddFakeNative(IPluginFunction *pFunction, const char *name, SPVM_FAKENATIVE_FUNC func)

  1954 {

  1955 	if (sm_trie_retrieve(m_pNativeLookup, name, NULL))

  1956 	{

  1957 		return false;

  1958 	}

  1960 	FakeNative *pNative = new FakeNative;

  1962 	pNative->func = g_pVM->CreateFakeNative(func, pNative);

  1963 	if (!pNative->func)

  1964 	{

  1965 		delete pNative;

  1966 		return false;

  1967 	}

  1969 	pNative->call = pFunction;

  1970 	pNative->name.assign(name);

  1971 	pNative->ctx = pFunction->GetParentContext();

  1973 	m_Natives.push_back(pNative);

  1974 	sm_trie_insert(m_pNativeLookup, name,pNative);

  1976 	CPlugin *pPlugin = GetPluginByCtx(pNative->ctx->GetContext());

  1977 	pPlugin->m_fakeNatives.push_back(pNative);

  1979 	return true;

  1980 }

  1982 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  1983 {

  1984 	List<CPlugin *>::iterator iter;

  1985 	CPlugin *pPlugin;

  1986 	IPluginFunction *pFunction;

  1988 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  1989 	{

  1990 		pPlugin = (*iter);

  1992 		if (pPlugin->GetStatus() <= Plugin_Paused)

  1993 		{

  1994 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  1996 			if (pFunction)

  1997 			{

  1998 				pForward->AddFunction(pFunction);

  1999 			}

  2000 		}

  2001 	}

  2002 }

  2004 CPlugin *CPluginManager::GetPluginFromIdentity(IdentityToken_t *pToken)

  2005 {

  2006 	if (pToken->type != g_PluginIdent)

  2007 	{

  2008 		return NULL;

  2009 	}

  2011 	return (CPlugin *)(pToken->ptr);

  2012 }

  2014 void CPluginManager::ExecAndGenPluginConfs()

  2015 {

  2016 	List<CPlugin *>::iterator iter;

  2018 	//for (iter =

  2019 }

author	Borja Ferrer <faluco@alliedmods.net>
	Thu Jul 05 14:47:36 2007 +0000 (2007-07-05)
changeset 1041	f7b2073013df
parent 1018	e466e7319a68
child 1089	275107f9ca95
permissions	-rw-r--r--