sourcemod-central: core/systems/PluginSys.cpp@edf28ae3688e

     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"

    29 CPluginManager g_PluginSys;

    30 HandleType_t g_PluginType = 0;

    31 IdentityType_t g_PluginIdent = 0;

    33 CPlugin::CPlugin(const char *file)

    34 {

    35 	static int MySerial = 0;

    37 	m_type = PluginType_Private;

    38 	m_status = Plugin_Uncompiled;

    39 	m_serial = ++MySerial;

    40 	m_plugin = NULL;

    41 	m_errormsg[256] = '\0';

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

    43 	m_handle = 0;

    44 	m_ident = NULL;

    45 	m_pProps = sm_trie_create();

    46 	m_FakeNativesMissing = false;

    47 }

    49 CPlugin::~CPlugin()

    50 {

    51 	if (m_handle)

    52 	{

    53 		HandleSecurity sec;

    54 		sec.pOwner = g_PluginSys.GetIdentity();

    55 		sec.pIdentity = sec.pOwner;

    57 		g_HandleSys.FreeHandle(m_handle, &sec);

    58 		g_ShareSys.DestroyIdentity(m_ident);

    59 	}

    61 	if (m_ctx.base)

    62 	{

    63 		delete m_ctx.base;

    64 		m_ctx.base = NULL;

    65 	}

    66 	if (m_ctx.ctx)

    67 	{

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

    69 		m_ctx.ctx = NULL;

    70 	}

    71 	if (m_ctx.co)

    72 	{

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

    74 		m_ctx.co = NULL;

    75 	}

    77 	if (m_plugin)

    78 	{

    79 		g_pSourcePawn->FreeFromMemory(m_plugin);

    80 		m_plugin = NULL;

    81 	}

    82 	if (m_pProps)

    83 	{

    84 		sm_trie_destroy(m_pProps);

    85 	}

    86 }

    88 void CPlugin::InitIdentity()

    89 {

    90 	if (!m_handle)

    91 	{

    92 		m_ident = g_ShareSys.CreateIdentity(g_PluginIdent);

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

    94 		m_ctx.base->SetIdentity(m_ident);

    95 	}

    96 }

    98 Handle_t CPlugin::GetMyHandle()

    99 {

   100 	return m_handle;

   101 }

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

   104 {

   105 	char fullpath[PLATFORM_MAX_PATH];

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

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

   109 	CPlugin *pPlugin = new CPlugin(file);

   111 	if (!fp)

   112 	{

   113 		if (error)

   114 		{

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

   116 		}

   117 		pPlugin->m_status = Plugin_BadLoad;

   118 		return pPlugin;

   119 	}

   121 	int err;

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

   123 	if (pl == NULL)

   124 	{

   125 		fclose(fp);

   126 		if (error)

   127 		{

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

   129 		}

   130 		pPlugin->m_status = Plugin_BadLoad;

   131 		return pPlugin;

   132 	}

   134 	fclose(fp);

   136 	pPlugin->m_plugin = pl;

   138 	return pPlugin;

   139 }

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

   142 {

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

   145 	if (exists && remove)

   146 	{

   147 		sm_trie_delete(m_pProps, prop);

   148 	}

   150 	return exists;

   151 }

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

   154 {

   155 	return sm_trie_insert(m_pProps, prop, ptr);

   156 }

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

   159 {

   160 	if (!m_plugin)

   161 	{

   162 		return NULL;

   163 	}

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

   166 	 * for swapping in new contexts

   167 	 */

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

   169 	{

   170 		return NULL;

   171 	}

   173 	m_status = Plugin_Uncompiled;

   175 	m_ctx.vm = vm;

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

   178 	return m_ctx.co;

   179 }

   181 void CPlugin::CancelMyCompile()

   182 {

   183 	if (!m_ctx.co)

   184 	{

   185 		return;

   186 	}

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

   189 	m_ctx.co = NULL;

   190 	m_ctx.vm = NULL;

   191 }

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

   194 {

   195 	if (!m_ctx.co)

   196 	{

   197 		return false;

   198 	}

   200 	int err;

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

   202 	if (!m_ctx.ctx)

   203 	{

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

   205 		if (error)

   206 		{

   207 			snprintf(error, maxlength, "Failed to compile (error %d)", err);

   208 		}

   209 		return false;

   210 	}

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

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

   215 	m_status = Plugin_Created;

   216 	m_ctx.co = NULL;

   218 	UpdateInfo();

   220 	return true;

   221 }

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

   224 {

   225 	PluginStatus old_status = m_status;

   226 	m_status = status;

   228 	if (old_status == Plugin_Running)

   229 	{

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

   231 		g_PluginSys._SetPauseState(this, true);

   232 	}

   234 	va_list ap;

   235 	va_start(ap, error_fmt);

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

   237 	va_end(ap);

   239 	if (m_ctx.ctx)

   240 	{

   241 		m_ctx.ctx->flags |= SPFLAG_PLUGIN_PAUSED;

   242 	}

   243 }

   245 void CPlugin::UpdateInfo()

   246 {

   247 	/* Now grab the info */

   248 	uint32_t idx;

   249 	IPluginContext *base = GetBaseContext();

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

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

   254 	if (err == SP_ERROR_NONE)

   255 	{

   256 		struct sm_plugininfo_c_t

   257 		{

   258 			cell_t name;

   259 			cell_t description;

   260 			cell_t author;

   261 			cell_t version;

   262 			cell_t url;

   263 		};

   264 		sm_plugininfo_c_t *cinfo;

   265 		cell_t local_addr;

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

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

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

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

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

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

   273 	}

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

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

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

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

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

   280 }

   282 void CPlugin::Call_OnPluginStart()

   283 {

   284 	if (m_status != Plugin_Loaded)

   285 	{

   286 		return;

   287 	}

   289 	m_status = Plugin_Running;

   291 	cell_t result;

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

   293 	if (!pFunction)

   294 	{

   295 		return;

   296 	}

   298 	pFunction->Execute(&result);

   299 }

   301 void CPlugin::Call_OnPluginEnd()

   302 {

   303 	if (m_status > Plugin_Paused)

   304 	{

   305 		return;

   306 	}

   308 	cell_t result;

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

   310 	if (!pFunction)

   311 	{

   312 		return;

   313 	}

   315 	pFunction->Execute(&result);

   316 }

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

   319 {

   320 	if (m_status != Plugin_Created)

   321 	{

   322 		return false;

   323 	}

   325 	m_status = Plugin_Loaded;

   327 	int err;

   328 	cell_t result;

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

   331 	if (!pFunction)

   332 	{

   333 		return true;

   334 	}

   336 	pFunction->PushCell(m_handle);

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

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

   339 	pFunction->PushCell(maxlength);

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

   341 	{

   342 		return false;

   343 	}

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

   346 	{

   347 		return false;

   348 	}

   350 	return true;

   351 }

   353 const sp_plugin_t *CPlugin::GetPluginStructure()

   354 {

   355 	return m_plugin;

   356 }

   358 IPluginContext *CPlugin::GetBaseContext()

   359 {

   360 	return m_ctx.base;

   361 }

   363 sp_context_t *CPlugin::GetContext()

   364 {

   365 	return m_ctx.ctx;

   366 }

   368 const char *CPlugin::GetFilename()

   369 {

   370 	return m_filename;

   371 }

   373 PluginType CPlugin::GetType()

   374 {

   375 	return m_type;

   376 }

   378 const sm_plugininfo_t *CPlugin::GetPublicInfo()

   379 {

   380 	return &m_info;

   381 }

   383 unsigned int CPlugin::GetSerial()

   384 {

   385 	return m_serial;

   386 }

   388 PluginStatus CPlugin::GetStatus()

   389 {

   390 	return m_status;

   391 }

   393 bool CPlugin::IsDebugging()

   394 {

   395 	if (!m_ctx.ctx)

   396 	{

   397 		return false;

   398 	}

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

   401 }

   403 bool CPlugin::SetPauseState(bool paused)

   404 {

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

   406 	{

   407 		return false;

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

   409 		return false;

   410 	}

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

   413 	if (pFunction)

   414 	{

   415 		cell_t result;

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

   417 		pFunction->Execute(&result);

   418 	}

   420 	if (paused)

   421 	{

   422 		m_status = Plugin_Paused;

   423 		m_ctx.ctx->flags |= SPFLAG_PLUGIN_PAUSED;

   424 	} else {

   425 		m_status = Plugin_Running;

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

   427 	}

   429 	g_PluginSys._SetPauseState(this, paused);

   431 	return true;

   432 }

   434 IdentityToken_t *CPlugin::GetIdentity()

   435 {

   436 	return m_ident;

   437 }

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

   440 {

   441 	int err;

   443 	if (!IsRunnable())

   444 	{

   445 		if (error)

   446 		{

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

   448 		}

   449 		return false;

   450 	}

   452 	if (debug && IsDebugging())

   453 	{

   454 		if (error)

   455 		{

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

   457 		}

   458 		return false;

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

   460 		if (error)

   461 		{

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

   463 		}

   464 		return false;

   465 	}

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

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

   469 	{

   470 		if (error)

   471 		{

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

   473 		}

   474 		return false;

   475 	}

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

   479 	if (new_ctx)

   480 	{

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

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

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

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

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

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

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

   489 		uint32_t nativeCount = m_plugin->info.natives_num;

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

   491 		{

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

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

   494 		}

   496 		g_pVM->FreeContext(m_ctx.ctx);

   497 		m_ctx.ctx = new_ctx;

   498 		m_ctx.base->SetContext(new_ctx);

   500 		UpdateInfo();

   501 	} else {

   502 		if (error)

   503 		{

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

   505 		}

   506 		return false;

   507 	}

   509 	return true;

   510 }

   512 bool CPlugin::IsRunnable()

   513 {

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

   515 }

   517 time_t CPlugin::GetFileTimeStamp()

   518 {

   519 	char path[PLATFORM_MAX_PATH];

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

   521 #ifdef PLATFORM_WINDOWS

   522 	struct _stat s;

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

   524 #elif defined PLATFORM_POSIX

   525 	struct stat s;

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

   527 #endif

   528 	{

   529 		return 0;

   530 	} else {

   531 		return s.st_mtime;

   532 	}

   533 }

   535 time_t CPlugin::GetTimeStamp()

   536 {

   537 	return m_LastAccess;

   538 }

   540 void CPlugin::SetTimeStamp(time_t t)

   541 {

   542 	m_LastAccess = t;

   543 }

   545 void CPlugin::AddLangFile(unsigned int index)

   546 {

   547 	m_PhraseFiles.push_back(index);

   548 }

   550 size_t CPlugin::GetLangFileCount()

   551 {

   552 	return m_PhraseFiles.size();

   553 }

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

   556 {

   557 	return m_PhraseFiles.at(index);

   558 }

   560 void CPlugin::DependencyDropped(CPlugin *pOwner)

   561 {

   562 	if (!m_ctx.ctx)

   563 	{

   564 		return;

   565 	}

   567 	List<FakeNative *>::iterator iter;

   568 	FakeNative *pNative;

   569 	sp_native_t *native;

   570 	uint32_t idx;

   571 	unsigned int unbound = 0;

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

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

   575 		 iter++)

   576 	{

   577 		pNative = (*iter);

   578 		/* Find this native! */

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

   580 		{

   581 			continue;

   582 		}

   583 		/* Unbind it */

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

   585 		native->pfn = NULL;

   586 		native->status = SP_NATIVE_UNBOUND;

   587 		unbound++;

   588 	}

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

   591 	if (unbound)

   592 	{

   593 		m_FakeNativesMissing = true;

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

   595 	}

   597 	m_dependsOn.remove(pOwner);

   598 }

   600 /*******************

   601  * PLUGIN ITERATOR *

   602  *******************/

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

   605 {

   606 	mylist = _mylist;

   607 	Reset();

   608 }

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

   611 {

   612 	return (*current);

   613 }

   615 bool CPluginManager::CPluginIterator::MorePlugins()

   616 {

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

   618 }

   620 void CPluginManager::CPluginIterator::NextPlugin()

   621 {

   622 	current++;

   623 }

   625 void CPluginManager::CPluginIterator::Release()

   626 {

   627 	g_PluginSys.ReleaseIterator(this);

   628 }

   630 CPluginManager::CPluginIterator::~CPluginIterator()

   631 {

   632 }

   634 void CPluginManager::CPluginIterator::Reset()

   635 {

   636 	current = mylist->begin();

   637 }

   639 /******************

   640  * PLUGIN MANAGER *

   641  ******************/

   643 CPluginManager::CPluginManager()

   644 {

   645 	m_LoadLookup = sm_trie_create();

   646 	m_AllPluginsLoaded = false;

   647 	m_MyIdent = NULL;

   648 	m_pNativeLookup = sm_trie_create();

   649 }

   651 CPluginManager::~CPluginManager()

   652 {

   653 	/* :NOTICE:

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

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

   656 	 * will crash anyway.  YAY

   657 	 */

   658 	sm_trie_destroy(m_LoadLookup);

   659 	sm_trie_destroy(m_pNativeLookup);

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

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

   663 	{

   664 		delete (*iter);

   665 	}

   666 	m_iters.popall();

   667 }

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

   670 {

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

   672 	SMCParseError err;

   673 	unsigned int line, col;

   674 	m_AllPluginsLoaded = false;

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

   676 	{

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

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

   679 		if (err_msg)

   680 		{

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

   682 		}

   683 	}

   685 	LoadPluginsFromDir(basedir, NULL);

   686 }

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

   689 {

   690 	char base_path[PLATFORM_MAX_PATH];

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

   693 	if (localpath == NULL)

   694 	{

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

   696 	} else {

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

   698 	}

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

   702 	if (!dir)

   703 	{

   704 		char error[256];

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

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

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

   708 		return;

   709 	}

   711 	while (dir->MoreFiles())

   712 	{

   713 		if (dir->IsEntryDirectory()

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

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

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

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

   718 		{

   719 			char new_local[PLATFORM_MAX_PATH];

   720 			if (localpath == NULL)

   721 			{

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

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

   724 			} else {

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

   726 			}

   727 			LoadPluginsFromDir(basedir, new_local);

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

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

   730 			size_t len = strlen(name);

   731 			if (len >= 4

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

   733 			{

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

   735 				char plugin[PLATFORM_MAX_PATH];

   736 				if (localpath == NULL)

   737 				{

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

   739 				} else {

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

   741 				}

   742 				LoadAutoPlugin(plugin);

   743 			}

   744 		}

   745 		dir->NextEntry();

   746 	}

   747 	g_LibSys.CloseDirectory(dir);

   748 }

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

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

   752 {

   753 	/**

   754 	 * Does this plugin already exist?

   755 	 */

   756 	CPlugin *pPlugin;

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

   758 	{

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

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

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

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

   763 		{

   764 			UnloadPlugin(pPlugin);

   765 		} else {

   766 			if (_plugin)

   767 			{

   768 				*_plugin = pPlugin;

   769 			}

   770 			return LoadRes_AlreadyLoaded;

   771 		}

   772 	}

   774 	pPlugin = CPlugin::CreatePlugin(path, error, err_max);

   776 	assert(pPlugin != NULL);

   778 	pPlugin->m_type = PluginType_MapUpdated;

   780 	ICompilation *co = NULL;

   782 	if (pPlugin->m_status == Plugin_Uncompiled)

   783 	{

   784 		co = pPlugin->StartMyCompile(g_pVM);

   785 	}

   787 	PluginSettings *pset;

   788 	unsigned int setcount = m_PluginInfo.GetSettingsNum();

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

   790 	{

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

   792 		{

   793 			continue;

   794 		}

   795 		pPlugin->m_type = pset->type_val;

   796 		if (co)

   797 		{

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

   799 			{

   800 				const char *key, *val;

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

   802 				if (!key || !val)

   803 				{

   804 					continue;

   805 				}

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

   807 				{

   808 					if (error)

   809 					{

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

   811 					}

   812 					pPlugin->CancelMyCompile();

   813 					co = NULL;

   814 					break;

   815 				}

   816 			}

   817 		}

   818 	}

   820 	/* Do the actual compiling */

   821 	if (co)

   822 	{

   823 		pPlugin->FinishMyCompile(NULL, 0);

   824 		co = NULL;

   825 	}

   827 	/* Get the status */

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

   829 	{

   830 		AddCoreNativesToPlugin(pPlugin);

   831 		pPlugin->InitIdentity();

   832 		if (pPlugin->Call_AskPluginLoad(error, err_max))

   833 		{

   834 			/* Autoload any modules */

   835 			LoadOrRequireExtensions(pPlugin, 1, error, err_max);

   836 		}

   837 	}

   839 	/* Save the time stamp */

   840 	time_t t = pPlugin->GetFileTimeStamp();

   841 	pPlugin->SetTimeStamp(t);

   843 	if (_plugin)

   844 	{

   845 		*_plugin = pPlugin;

   846 	}

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

   849 }

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

   852 {

   853 	CPlugin *pl;

   854 	LoadRes res;

   856 	*wasloaded = false;

   857 	if ((res=_LoadPlugin(&pl, path, debug, type, error, err_max)) == LoadRes_Failure)

   858 	{

   859 		delete pl;

   860 		return NULL;

   861 	}

   863 	if (res == LoadRes_AlreadyLoaded)

   864 	{

   865 		*wasloaded = true;

   866 		return pl;

   867 	}

   869 	AddPlugin(pl);

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

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

   873 	{

   874 		if (!RunSecondPass(pl, error, err_max))

   875 		{

   876 			UnloadPlugin(pl);

   877 			return NULL;

   878 		}

   879 	}

   881 	return pl;

   882 }

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

   885 {

   886 	CPlugin *pl;

   887 	LoadRes res;

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

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

   891 	{

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

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

   894 	}

   896 	if (res == LoadRes_Successful)

   897 	{

   898 		AddPlugin(pl);

   899 	}

   900 }

   902 void CPluginManager::AddPlugin(CPlugin *pPlugin)

   903 {

   904 	List<IPluginsListener *>::iterator iter;

   905 	IPluginsListener *pListener;

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

   908 	{

   909 		pListener = (*iter);

   910 		pListener->OnPluginCreated(pPlugin);

   911 	}

   913 	m_plugins.push_back(pPlugin);

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

   915 }

   917 void CPluginManager::LoadAll_SecondPass()

   918 {

   919 	List<CPlugin *>::iterator iter;

   920 	CPlugin *pPlugin;

   922 	char error[256];

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

   924 	{

   925 		pPlugin = (*iter);

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

   927 		{

   928 			error[0] = '\0';

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

   930 			{

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

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

   933 			}

   934 		}

   935 	}

   937 	m_AllPluginsLoaded = true;

   938 }

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

   941 {

   942 	/* Find any extensions this plugin needs */

   943 	struct _ext

   944 	{

   945 		cell_t name;

   946 		cell_t file;

   947 		cell_t autoload;

   948 		cell_t required;

   949 	} *ext;

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

   952 	uint32_t num = pBase->GetPubVarsNum();

   953 	sp_pubvar_t *pubvar;

   954 	IExtension *pExt;

   955 	char path[PLATFORM_MAX_PATH];

   956 	char *file, *name;

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

   958 	{

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

   960 		{

   961 			continue;

   962 		}

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

   964 		{

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

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

   967 			{

   968 				continue;

   969 			}

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

   971 			{

   972 				continue;

   973 			}

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

   975 			{

   976 				continue;

   977 			}

   978 			if (pass == 1)

   979 			{

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

   981 				if (ext->autoload)

   982 				{

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

   984 					g_Extensions.LoadAutoExtension(path);

   985 				}

   986 			} else if (pass == 2) {

   987 				/* Is this required? */

   988 				if (ext->required)

   989 				{

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

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

   992 					{

   993 						pExt = g_Extensions.FindExtensionByName(name);

   994 					}

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

   996 					 * Currently the extension manager will ignore this.

   997 					 */

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

   999 					{

  1000 						if (error)

  1001 						{

  1002 							snprintf(error, maxlength, "Required extension \"%s\" file(\"%s\") not running", name, file);

  1003 						}

  1004 						return false;

  1005 					} else {

  1006 						g_Extensions.BindChildPlugin(pExt, pPlugin);

  1007 					}

  1008 				}

  1009 			}

  1010 		}

  1011 	}

  1013 	return true;

  1014 }

  1016 bool CPluginManager::RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength)

  1017 {

  1018 	/* Second pass for extension requirements */

  1019 	if (!LoadOrRequireExtensions(pPlugin, 2, error, maxlength))

  1020 	{

  1021 		return false;

  1022 	}

  1024 	/* Bind all extra natives */

  1025 	g_Extensions.BindAllNativesToPlugin(pPlugin);

  1026 	AddFakeNativesToPlugin(pPlugin);

  1028 	/* Find any unbound natives

  1029 	 * Right now, these are not allowed

  1030 	 */

  1031 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1032 	uint32_t num = pContext->GetNativesNum();

  1033 	sp_native_t *native;

  1034 	for (unsigned int i=0; i<num; i++)

  1035 	{

  1036 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1037 		{

  1038 			break;

  1039 		}

  1040 		if (native->status == SP_NATIVE_UNBOUND)

  1041 		{

  1042 			if (error)

  1043 			{

  1044 				snprintf(error, maxlength, "Native \"%s\" was not found.", native->name);

  1045 			}

  1046 			return false;

  1047 		}

  1048 	}

  1050 	/* Finish by telling all listeners */

  1051 	List<IPluginsListener *>::iterator iter;

  1052 	IPluginsListener *pListener;

  1053 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1054 	{

  1055 		pListener = (*iter);

  1056 		pListener->OnPluginLoaded(pPlugin);

  1057 	}

  1059 	/* Tell this plugin to finish initializing itself */

  1060 	pPlugin->Call_OnPluginStart();

  1062 	/* Now, if we have fake natives, go through all plugins that might need rebinding */

  1063 	if (pPlugin->m_fakeNatives.size())

  1064 	{

  1065 		List<CPlugin *>::iterator pl_iter;

  1066 		CPlugin *pOther;

  1067 		for (pl_iter = m_plugins.begin();

  1068 			 pl_iter != m_plugins.end();

  1069 			 pl_iter++)

  1070 		{

  1071 			pOther = (*pl_iter);

  1072 			if (pOther->GetStatus() == Plugin_Error

  1073 				&& pOther->m_FakeNativesMissing)

  1074 			{

  1075 				TryRefreshNatives(pOther);

  1076 			}

  1077 		}

  1078 	}

  1080 	return true;

  1081 }

  1083 void CPluginManager::AddCoreNativesToPlugin(CPlugin *pPlugin)

  1084 {

  1085 	List<sp_nativeinfo_t *>::iterator iter;

  1087 	for (iter=m_natives.begin(); iter!=m_natives.end(); iter++)

  1088 	{

  1089 		sp_nativeinfo_t *natives = (*iter);

  1090 		IPluginContext *ctx = pPlugin->GetBaseContext();

  1091 		unsigned int i=0;

  1092 		/* Attempt to bind every native! */

  1093 		while (natives[i].func != NULL)

  1094 		{

  1095 			ctx->BindNative(&natives[i++]);

  1096 		}

  1097 	}

  1098 }

  1100 void CPluginManager::TryRefreshNatives(CPlugin *pPlugin)

  1101 {

  1102 	assert(pPlugin->GetBaseContext() != NULL);

  1104 	AddFakeNativesToPlugin(pPlugin);

  1106 	/* Find any unbound natives

  1107 	 * Right now, these are not allowed

  1108 	 */

  1109 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1110 	uint32_t num = pContext->GetNativesNum();

  1111 	sp_native_t *native;

  1112 	for (unsigned int i=0; i<num; i++)

  1113 	{

  1114 		if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)

  1115 		{

  1116 			break;

  1117 		}

  1118 		if (native->status == SP_NATIVE_UNBOUND)

  1119 		{

  1120 			pPlugin->SetErrorState(Plugin_Error, "Native not found: %s", native->name);

  1121 			return;

  1122 		}

  1123 	}

  1125 	/* If we got here, all natives are okay again! */

  1126 	pPlugin->m_status = Plugin_Running;

  1127 	if ((pPlugin->m_ctx.ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1128 	{

  1129 		pPlugin->m_ctx.ctx->flags &= ~SPFLAG_PLUGIN_PAUSED;

  1130 		_SetPauseState(pPlugin, false);

  1131 	}

  1132 }

  1134 void CPluginManager::AddFakeNativesToPlugin(CPlugin *pPlugin)

  1135 {

  1136 	IPluginContext *pContext = pPlugin->GetBaseContext();

  1137 	sp_nativeinfo_t native;

  1139 	List<FakeNative *>::iterator iter;

  1140 	FakeNative *pNative;

  1141 	sp_context_t *ctx;

  1142 	for (iter = m_Natives.begin(); iter != m_Natives.end(); iter++)

  1143 	{

  1144 		pNative = (*iter);

  1145 		ctx = pNative->ctx->GetContext();

  1146 		if ((ctx->flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED)

  1147 		{

  1148 			/* Ignore natives in paused plugins */

  1149 			continue;

  1150 		}

  1151 		native.name = pNative->name.c_str();

  1152 		native.func = pNative->func;

  1153 		if (pContext->BindNative(&native) == SP_ERROR_NONE)

  1154 		{

  1155 			/* Add us as a dependency, but we're careful not to do this circularly! */

  1156 			if (pNative->ctx != pContext)

  1157 			{

  1158 				CPlugin *pOther = GetPluginByCtx(ctx);

  1159 				if (pOther->m_dependents.find(pPlugin) == pOther->m_dependents.end())

  1160 				{

  1161 					pOther->m_dependents.push_back(pPlugin);

  1162 				}

  1163 				if (pPlugin->m_dependsOn.find(pOther) == pPlugin->m_dependsOn.end())

  1164 				{

  1165 					pPlugin->m_dependsOn.push_back(pOther);

  1166 				}

  1167 			}

  1168 		}

  1169 	}

  1170 }

  1172 bool CPluginManager::UnloadPlugin(IPlugin *plugin)

  1173 {

  1174 	CPlugin *pPlugin = (CPlugin *)plugin;

  1176 	/* This prevents removal during insertion or anything else weird */

  1177 	if (m_plugins.find(pPlugin) == m_plugins.end())

  1178 	{

  1179 		return false;

  1180 	}

  1182 	/* Remove us from the lookup table and linked list */

  1183 	m_plugins.remove(pPlugin);

  1184 	sm_trie_delete(m_LoadLookup, pPlugin->m_filename);

  1186 	/* Go through all dependent plugins and tell them this plugin is now gone */

  1187 	List<CPlugin *>::iterator pl_iter;

  1188 	CPlugin *pOther;

  1189 	for (pl_iter = pPlugin->m_dependents.begin();

  1190 		 pl_iter != pPlugin->m_dependents.end();

  1191 		 pl_iter++)

  1192 	{

  1193 		pOther = (*pl_iter);

  1194 		pOther->DependencyDropped(pPlugin);

  1195 	}

  1197 	/* Tell everyone we depend on that we no longer exist */

  1198 	for (pl_iter = pPlugin->m_dependsOn.begin();

  1199 		 pl_iter != pPlugin->m_dependsOn.end();

  1200 		 pl_iter++)

  1201 	{

  1202 		pOther = (*pl_iter);

  1203 		pOther->m_dependents.remove(pPlugin);

  1204 	}

  1206 	/* Remove all of our native functions */

  1207 	List<FakeNative *>::iterator fn_iter;

  1208 	FakeNative *pNative;

  1209 	for (fn_iter = pPlugin->m_fakeNatives.begin();

  1210 		 fn_iter != pPlugin->m_fakeNatives.end();

  1211 		 fn_iter++)

  1212 	{

  1213 		pNative = (*fn_iter);

  1214 		m_Natives.remove(pNative);

  1215 		sm_trie_delete(m_pNativeLookup, pNative->name.c_str());

  1216 		g_pVM->DestroyFakeNative(pNative->func);

  1217 		delete pNative;

  1218 	}

  1220 	List<IPluginsListener *>::iterator iter;

  1221 	IPluginsListener *pListener;

  1223 	if (pPlugin->GetStatus() <= Plugin_Error)

  1224 	{

  1225 		/* Notify listeners of unloading */

  1226 		for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1227 		{

  1228 			pListener = (*iter);

  1229 			pListener->OnPluginUnloaded(pPlugin);

  1230 		}

  1231 		/* Notify plugin */

  1232 		pPlugin->Call_OnPluginEnd();

  1233 	}

  1235 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1236 	{

  1237 		/* Notify listeners of destruction */

  1238 		pListener = (*iter);

  1239 		pListener->OnPluginDestroyed(pPlugin);

  1240 	}

  1242 	/* Tell the plugin to delete itself */

  1243 	delete pPlugin;

  1245 	return true;

  1246 }

  1248 IPlugin *CPluginManager::FindPluginByContext(const sp_context_t *ctx)

  1249 {

  1250 	IPlugin *pl = (IPlugin *)ctx->user[SM_CONTEXTVAR_MYSELF];

  1251 	return pl;

  1252 }

  1254 unsigned int CPluginManager::GetPluginCount()

  1255 {

  1256 	return m_plugins.size();

  1257 }

  1259 void CPluginManager::AddPluginsListener(IPluginsListener *listener)

  1260 {

  1261 	m_listeners.push_back(listener);

  1262 }

  1264 void CPluginManager::RemovePluginsListener(IPluginsListener *listener)

  1265 {

  1266 	m_listeners.remove(listener);

  1267 }

  1269 IPluginIterator *CPluginManager::GetPluginIterator()

  1270 {

  1271 	if (m_iters.empty())

  1272 	{

  1273 		return new CPluginIterator(&m_plugins);

  1274 	} else {

  1275 		CPluginIterator *iter = m_iters.front();

  1276 		m_iters.pop();

  1277 		iter->Reset();

  1278 		return iter;

  1279 	}

  1280 }

  1282 void CPluginManager::ReleaseIterator(CPluginIterator *iter)

  1283 {

  1284 	m_iters.push(iter);

  1285 }

  1287 bool CPluginManager::TestAliasMatch(const char *alias, const char *localpath)

  1288 {

  1289 	/* As an optimization, we do not call strlen, but compute the length in the first pass */

  1290 	size_t alias_len = 0;

  1291 	size_t local_len = 0;

  1293 	const char *ptr = alias;

  1294 	unsigned int alias_explicit_paths = 0;

  1295 	unsigned int alias_path_end = 0;

  1296 	while (*ptr != '\0')

  1297 	{

  1298 		if (*ptr == '\\' || *ptr == '/')

  1299 		{

  1300 			alias_explicit_paths++;

  1301 			alias_path_end = alias_len;

  1302 		}

  1303 		alias_len++;

  1304 		ptr++;

  1305 	}

  1307 	if (alias_explicit_paths && alias_path_end == alias_len - 1)

  1308 	{

  1309 		/* Trailing slash is totally invalid here */

  1310 		return false;

  1311 	}

  1313 	ptr = localpath;

  1314 	unsigned int local_explicit_paths = 0;

  1315 	unsigned int local_path_end = 0;

  1316 	while (*ptr != '\0')

  1317 	{

  1318 		if (*ptr == '\\' || *ptr == '/')

  1319 		{

  1320 			local_explicit_paths++;

  1321 			local_path_end = local_len;

  1322 		}

  1323 		local_len++;

  1324 		ptr++;

  1325 	}

  1327 	/* If the alias has more explicit paths than the real path,

  1328 	 * no match will be possible.

  1329 	 */

  1330 	if (alias_explicit_paths > local_explicit_paths)

  1331 	{

  1332 		return false;

  1333 	}

  1335 	if (alias_explicit_paths)

  1336 	{

  1337 		/* We need to find if the paths match now.  For example, these should all match:

  1338 		 * csdm     csdm

  1339 		 * csdm     optional/csdm

  1340 		 * csdm/ban optional/crab/csdm/ban

  1341 		*/

  1342 		const char *aliasptr = alias;

  1343 		const char *localptr = localpath;

  1344 		bool match = true;

  1345 		do

  1346 		{

  1347 			if (*aliasptr != *localptr)

  1348 			{

  1349 				/* We have to knock one path off */

  1350 				local_explicit_paths--;

  1351 				if (alias_explicit_paths > local_explicit_paths)

  1352 				{

  1353 					/* Skip out if we're gonna have an impossible match */

  1354 					return false;

  1355 				}

  1356 				/* Eat up localptr tokens until we get a result */

  1357 				while (((localptr - localpath) < (int)local_path_end)

  1358 					&& *localptr != '/'

  1359 					&& *localptr != '\\')

  1360 				{

  1361 					localptr++;

  1362 				}

  1363 				/* Check if we hit the end of our searchable area.

  1364 				 * This probably isn't possible because of the path

  1365 				 * count check, but it's a good idea anyway.

  1366 				 */

  1367 				if ((localptr - localpath) >= (int)local_path_end)

  1368 				{

  1369 					return false;

  1370 				} else {

  1371 					/* Consume the slash token */

  1372 					localptr++;

  1373 				}

  1374 				/* Reset the alias pointer so we can continue consuming */

  1375 				aliasptr = alias;

  1376 				match = false;

  1377 				continue;

  1378 			}

  1379 			/* Note:

  1380 			 * This is safe because if localptr terminates early, aliasptr will too

  1381 			 */

  1382 			do

  1383 			{

  1384 				/* We should never reach the end of the string because of this check. */

  1385 				bool aliasend = (aliasptr - alias) > (int)alias_path_end;

  1386 				bool localend = (localptr - localpath) > (int)local_path_end;

  1387 				if (aliasend || localend)

  1388 				{

  1389 					if (aliasend && localend)

  1390 					{

  1391 						/* we matched, and we can break out now */

  1392 						match = true;

  1393 						break;

  1394 					}

  1395 					/* Otherwise, we've hit the end somehow and rest won't match up.  Break out. */

  1396 					match = false;

  1397 					break;

  1398 				}

  1400 				/* If we got here, it's safe to compare the next two tokens */

  1401 				if (*localptr != *aliasptr)

  1402 				{

  1403 					match = false;

  1404 					break;

  1405 				}

  1406 				localptr++;

  1407 				aliasptr++;

  1408 			} while (true);

  1409 		} while (!match);

  1410 	}

  1412 	/* If we got here, it's time to compare filenames */

  1413 	const char *aliasptr = alias;

  1414 	const char *localptr = localpath;

  1416 	if (alias_explicit_paths)

  1417 	{

  1418 		aliasptr = &alias[alias_path_end + 1];

  1419 	}

  1421 	if (local_explicit_paths)

  1422 	{

  1423 		localptr = &localpath[local_path_end + 1];

  1424 	}

  1426 	while (true)

  1427 	{

  1428 		if (*aliasptr == '*')

  1429 		{

  1430 			/* First, see if this is the last character */

  1431 			if ((unsigned)(aliasptr - alias) == alias_len - 1)

  1432 			{

  1433 				/* If so, there's no need to match anything else */

  1434 				return true;

  1435 			}

  1436 			/* Otherwise, we need to search for an appropriate matching sequence in local.

  1437 			 * Note that we only need to search up to the next asterisk.

  1438 			 */

  1439 			aliasptr++;

  1440 			bool match = true;

  1441 			const char *local_orig = localptr;

  1442 			do

  1443 			{

  1444 				match = true;

  1445 				while (*aliasptr != '\0' && *aliasptr != '*')

  1446 				{

  1447 					/* Since aliasptr is never '\0', localptr hitting the end will fail */

  1448 					if (*aliasptr != *localptr)

  1449 					{

  1450 						match = false;

  1451 						break;

  1452 					}

  1453 					aliasptr++;

  1454 					localptr++;

  1455 				}

  1456 				if (!match)

  1457 				{

  1458 					/* If we didn't get a match, we need to advance the search stream.

  1459 					 * This will let us skip tokens while still searching for another match.

  1460 					 */

  1461 					localptr = ++local_orig;

  1462 					/* Make sure we don't go out of bounds */

  1463 					if (*localptr == '\0')

  1464 					{

  1465 						break;

  1466 					}

  1467 				}

  1468 			} while (!match);

  1470 			if (!match)

  1471 			{

  1472 				return false;

  1473 			} else {

  1474 				/* If we got a match, move on to the next token */

  1475 				continue;

  1476 			}

  1477 		} else if (*aliasptr == '\0') {

  1478 			if (*localptr == '\0'

  1479 				||

  1480 				strcmp(localptr, ".smx") == 0)

  1481 			{

  1482 				return true;

  1483 			} else {

  1484 				return false;

  1485 			}

  1486 		} else if (*aliasptr != *localptr) {

  1487 			return false;

  1488 		}

  1489 		aliasptr++;

  1490 		localptr++;

  1491 	}

  1493 	return true;

  1494 }

  1496 bool CPluginManager::IsLateLoadTime() const

  1497 {

  1498 	return (m_AllPluginsLoaded || !g_SourceMod.IsMapLoading());

  1499 }

  1501 void CPluginManager::OnSourceModAllInitialized()

  1502 {

  1503 	m_MyIdent = g_ShareSys.CreateCoreIdentity();

  1505 	HandleAccess sec;

  1506 	g_HandleSys.InitAccessDefaults(NULL, &sec);

  1508 	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY;

  1509 	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY;

  1511 	g_PluginType = g_HandleSys.CreateType("Plugin", this, 0, NULL, &sec, m_MyIdent, NULL);

  1512 	g_PluginIdent = g_ShareSys.CreateIdentType("PLUGIN");

  1514 	g_RootMenu.AddRootConsoleCommand("plugins", "Manage Plugins", this);

  1516 	g_ShareSys.AddInterface(NULL, this);

  1517 }

  1519 void CPluginManager::OnSourceModShutdown()

  1520 {

  1521 	g_RootMenu.RemoveRootConsoleCommand("plugins", this);

  1523 	List<CPlugin *>::iterator iter;

  1524 	while ( (iter = m_plugins.begin()) != m_plugins.end() )

  1525 	{

  1526 		UnloadPlugin((*iter));

  1527 	}

  1529 	g_HandleSys.RemoveType(g_PluginType, m_MyIdent);

  1530 	g_ShareSys.DestroyIdentType(g_PluginIdent);

  1531 	g_ShareSys.DestroyIdentity(m_MyIdent);

  1532 }

  1534 void CPluginManager::OnHandleDestroy(HandleType_t type, void *object)

  1535 {

  1536 	/* We don't care about the internal object, actually */

  1537 }

  1539 void CPluginManager::RegisterNativesFromCore(sp_nativeinfo_t *natives)

  1540 {

  1541 	m_natives.push_back(natives);

  1542 }

  1544 IPlugin *CPluginManager::PluginFromHandle(Handle_t handle, HandleError *err)

  1545 {

  1546 	IPlugin *pPlugin;

  1547 	HandleError _err;

  1549 	HandleSecurity sec;

  1551 	sec.pOwner = NULL;

  1552 	sec.pIdentity = m_MyIdent;

  1554 	if ((_err=g_HandleSys.ReadHandle(handle, g_PluginType, &sec, (void **)&pPlugin)) != HandleError_None)

  1555 	{

  1556 		pPlugin = NULL;

  1557 	}

  1559 	if (err)

  1560 	{

  1561 		*err = _err;

  1562 	}

  1564 	return pPlugin;

  1565 }

  1567 CPlugin *CPluginManager::GetPluginByOrder(int num)

  1568 {

  1569 	if (num < 1 || num > (int)GetPluginCount())

  1570 	{

  1571 		return NULL;

  1572 	}

  1574 	CPlugin *pl;

  1575 	int id = 1;

  1577 	IPluginIterator *iter = GetPluginIterator();

  1578 	for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++) {}

  1580 	pl = (CPlugin *)(iter->GetPlugin());

  1581 	iter->Release();

  1583 	return pl;

  1584 }

  1586 const char *CPluginManager::GetStatusText(PluginStatus st)

  1587 {

  1588 	switch (st)

  1589 	{

  1590 	case Plugin_Running:

  1591 		return "Running";

  1592 	case Plugin_Paused:

  1593 		return "Paused";

  1594 	case Plugin_Error:

  1595 		return "Error";

  1596 	case Plugin_Uncompiled:

  1597 		return "Uncompiled";

  1598 	case Plugin_BadLoad:

  1599 		return "Bad Load";

  1600 	case Plugin_Failed:

  1601 		return "Failed";

  1602 	default:

  1603 		assert(false);

  1604 		return "-";

  1605 	}

  1606 }

  1608 void CPluginManager::OnRootConsoleCommand(const char *command, unsigned int argcount)

  1609 {

  1610 	if (argcount >= 3)

  1611 	{

  1612 		const char *cmd = g_RootMenu.GetArgument(2);

  1613 		if (strcmp(cmd, "list") == 0)

  1614 		{

  1615 			char buffer[256];

  1616 			unsigned int id = 1;

  1617 			int plnum = GetPluginCount();

  1619 			if (!plnum)

  1620 			{

  1621 				g_RootMenu.ConsolePrint("[SM] No plugins loaded");

  1622 				return;

  1623 			} else {

  1624 				g_RootMenu.ConsolePrint("[SM] Listing %d plugin%s:", GetPluginCount(), (plnum > 1) ? "s" : "");

  1625 			}

  1627 			IPluginIterator *iter = GetPluginIterator();

  1628 			for (; iter->MorePlugins(); iter->NextPlugin(), id++)

  1629 			{

  1630 				IPlugin *pl = iter->GetPlugin();

  1631 				assert(pl->GetStatus() != Plugin_Created);

  1632 				int len = 0;

  1633 				const sm_plugininfo_t *info = pl->GetPublicInfo();

  1634 				if (pl->GetStatus() != Plugin_Running)

  1635 				{

  1636 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d <%s>", id, GetStatusText(pl->GetStatus()));

  1637 				} else {

  1638 					len += UTIL_Format(buffer, sizeof(buffer), "  %02d", id);

  1639 				}

  1640 				len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " \"%s\"", (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1641 				if (IS_STR_FILLED(info->version))

  1642 				{

  1643 					len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", info->version);

  1644 				}

  1645 				if (IS_STR_FILLED(info->author))

  1646 				{

  1647 					UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", info->author);

  1648 				}

  1649 				g_RootMenu.ConsolePrint("%s", buffer);

  1650 			}

  1652 			iter->Release();

  1653 			return;

  1654 		} else if (strcmp(cmd, "load") == 0) {

  1655 			if (argcount < 4)

  1656 			{

  1657 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins load <file>");

  1658 				return;

  1659 			}

  1661 			char error[128];

  1662 			bool wasloaded;

  1663 			const char *filename = g_RootMenu.GetArgument(3);

  1664 			IPlugin *pl = LoadPlugin(filename, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);

  1666 			if (wasloaded)

  1667 			{

  1668 				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", filename);

  1669 				return;

  1670 			}

  1672 			if (pl)

  1673 			{

  1674 				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", filename);

  1675 			} else {

  1676 				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", filename, error);

  1677 			}

  1679 			return;

  1680 		} else if (strcmp(cmd, "unload") == 0) {

  1681 			if (argcount < 4)

  1682 			{

  1683 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins unload <#>");

  1684 				return;

  1685 			}

  1687 			int id = 1;

  1688 			int num = atoi(g_RootMenu.GetArgument(3));

  1689 			if (num < 1 || num > (int)GetPluginCount())

  1690 			{

  1691 				g_RootMenu.ConsolePrint("[SM] Plugin index %d not found.", num);

  1692 				return;

  1693 			}

  1695 			IPluginIterator *iter = GetPluginIterator();

  1696 			for (; iter->MorePlugins() && id<num; iter->NextPlugin(), id++)

  1697 				;

  1698 			IPlugin *pl = iter->GetPlugin();

  1700 			char name[PLATFORM_MAX_PATH];

  1701 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  1702 			strcpy(name, (IS_STR_FILLED(info->name)) ? info->name : pl->GetFilename());

  1704 			if (UnloadPlugin(pl))

  1705 			{

  1706 				g_RootMenu.ConsolePrint("[SM] Plugin %s unloaded successfully.", name);

  1707 			} else {

  1708 				g_RootMenu.ConsolePrint("[SM] Failed to unload plugin %s.", name);

  1709 			}

  1711 			iter->Release();

  1712 			return;

  1713 		} else if (strcmp(cmd, "info") == 0) {

  1714 			if (argcount < 4)

  1715 			{

  1716 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins info <#>");

  1717 				return;

  1718 			}

  1720 			int num = atoi(g_RootMenu.GetArgument(3));

  1721 			if (num < 1 || num > (int)GetPluginCount())

  1722 			{

  1723 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  1724 				return;

  1725 			}

  1727 			CPlugin *pl = GetPluginByOrder(num);

  1728 			const sm_plugininfo_t *info = pl->GetPublicInfo();

  1730 			g_RootMenu.ConsolePrint("  Filename: %s", pl->GetFilename());

  1731 			if (pl->GetStatus() <= Plugin_Error)

  1732 			{

  1733 				if (IS_STR_FILLED(info->name))

  1734 				{

  1735 					if (IS_STR_FILLED(info->description))

  1736 					{

  1737 						g_RootMenu.ConsolePrint("  Title: %s (%s)", info->name, info->description);

  1738 					} else {

  1739 						g_RootMenu.ConsolePrint("  Title: %s", info->name);

  1740 					}

  1741 				}

  1742 				if (IS_STR_FILLED(info->author))

  1743 				{

  1744 					g_RootMenu.ConsolePrint("  Author: %s", info->author);

  1745 				}

  1746 				if (IS_STR_FILLED(info->version))

  1747 				{

  1748 					g_RootMenu.ConsolePrint("  Version: %s", info->version);

  1749 				}

  1750 				if (IS_STR_FILLED(info->url))

  1751 				{

  1752 					g_RootMenu.ConsolePrint("  URL: %s", info->url);

  1753 				}

  1754 				if (pl->GetStatus() == Plugin_Error)

  1755 				{

  1756 					g_RootMenu.ConsolePrint("  Error: %s", pl->m_errormsg);

  1757 				} else {

  1758 					g_RootMenu.ConsolePrint("  Debugging: %s", pl->IsDebugging() ? "yes" : "no");

  1759 					g_RootMenu.ConsolePrint("  Running: %s", pl->GetStatus() == Plugin_Running ? "yes" : "no");

  1760 				}

  1761 			} else {

  1762 				g_RootMenu.ConsolePrint("  Load error: %s", pl->m_errormsg);

  1763 				g_RootMenu.ConsolePrint("  File info: (title \"%s\") (version \"%s\")",

  1764 										info->name ? info->name : "<none>",

  1765 										info->version ? info->version : "<none>");

  1766 				if (IS_STR_FILLED(info->url))

  1767 				{

  1768 					g_RootMenu.ConsolePrint("  File URL: %s", info->url);

  1769 				}

  1770 			}

  1772 			return;

  1773 		} else if (strcmp(cmd, "debug") == 0) {

  1774 			if (argcount < 5)

  1775 			{

  1776 				g_RootMenu.ConsolePrint("[SM] Usage: sm plugins debug <#> [on|off]");

  1777 				return;

  1778 			}

  1780 			int num = atoi(g_RootMenu.GetArgument(3));

  1781 			if (num < 1 || num > (int)GetPluginCount())

  1782 			{

  1783 				g_RootMenu.ConsolePrint("[SM] Plugin index not found.");

  1784 				return;

  1785 			}

  1787 			int res;

  1788 			const char *mode = g_RootMenu.GetArgument(4);

  1789 			if ((res=strcmp("on", mode)) && strcmp("off", mode))

  1790 			{

  1791 				g_RootMenu.ConsolePrint("[SM] The only possible options are \"on\" and \"off.\"");

  1792 				return;

  1793 			}

  1795 			bool debug;

  1796 			if (!res)

  1797 			{

  1798 				debug = true;

  1799 			} else {

  1800 				debug = false;

  1801 			}

  1803 			CPlugin *pl = GetPluginByOrder(num);

  1804 			if (debug && pl->IsDebugging())

  1805 			{

  1806 				g_RootMenu.ConsolePrint("[SM] This plugin is already in debug mode.");

  1807 				return;

  1808 			} else if (!debug && !pl->IsDebugging()) {

  1809 				g_RootMenu.ConsolePrint("[SM] Debug mode is already disabled in this plugin.");

  1810 				return;

  1811 			}

  1813 			char error[256];

  1814 			if (pl->ToggleDebugMode(debug, error, sizeof(error)))

  1815 			{

  1816 				g_RootMenu.ConsolePrint("[SM] Successfully toggled debug mode on plugin %s.", pl->GetFilename());

  1817 				return;

  1818 			} else {

  1819 				g_RootMenu.ConsolePrint("[SM] Could not toggle debug mode on plugin %s.", pl->GetFilename());

  1820 				g_RootMenu.ConsolePrint("[SM] Plugin returned error: %s", error);

  1821 				return;

  1822 			}

  1823 		}

  1824 	}

  1826 	/* Draw the main menu */

  1827 	g_RootMenu.ConsolePrint("SourceMod Plugins Menu:");

  1828 	g_RootMenu.DrawGenericOption("list", "Show loaded plugins");

  1829 	g_RootMenu.DrawGenericOption("load", "Load a plugin");

  1830 	g_RootMenu.DrawGenericOption("unload", "Unload a plugin");

  1831 	g_RootMenu.DrawGenericOption("info", "Information about a plugin");

  1832 	g_RootMenu.DrawGenericOption("debug", "Toggle debug mode on a plugin");

  1833 }

  1835 void CPluginManager::ReloadOrUnloadPlugins()

  1836 {

  1837 	List<CPlugin *>::iterator iter;

  1838 	List<CPlugin *> tmp_list = m_plugins;

  1839 	CPlugin *pl;

  1840 	time_t t;

  1842 	for (iter=tmp_list.begin(); iter!=tmp_list.end(); iter++)

  1843 	{

  1844 		pl = (*iter);

  1845 		if (pl->GetType() ==  PluginType_MapOnly)

  1846 		{

  1847 			UnloadPlugin((IPlugin *)pl);

  1848 		} else if (pl->GetType() == PluginType_MapUpdated) {

  1849 			t = pl->GetFileTimeStamp();

  1850 			if (!t || t > pl->GetTimeStamp())

  1851 			{

  1852 				pl->SetTimeStamp(t);

  1853 				UnloadPlugin((IPlugin *)pl);

  1854 			}

  1855 		}

  1856 	}

  1857 }

  1859 void CPluginManager::_SetPauseState(CPlugin *pl, bool paused)

  1860 {

  1861 	List<IPluginsListener *>::iterator iter;

  1862 	IPluginsListener *pListener;

  1863 	for (iter=m_listeners.begin(); iter!=m_listeners.end(); iter++)

  1864 	{

  1865 		pListener = (*iter);

  1866 		pListener->OnPluginPauseChange(pl, paused);

  1867 	}

  1868 }

  1870 bool CPluginManager::AddFakeNative(IPluginFunction *pFunction, const char *name, SPVM_FAKENATIVE_FUNC func)

  1871 {

  1872 	if (sm_trie_retrieve(m_pNativeLookup, name, NULL))

  1873 	{

  1874 		return false;

  1875 	}

  1877 	FakeNative *pNative = new FakeNative;

  1879 	pNative->func = g_pVM->CreateFakeNative(func, pNative);

  1880 	if (!pNative->func)

  1881 	{

  1882 		delete pNative;

  1883 		return false;

  1884 	}

  1886 	pNative->call = pFunction;

  1887 	pNative->name.assign(name);

  1888 	pNative->ctx = pFunction->GetParentContext();

  1890 	m_Natives.push_back(pNative);

  1891 	sm_trie_insert(m_pNativeLookup, name,pNative);

  1893 	CPlugin *pPlugin = GetPluginByCtx(pNative->ctx->GetContext());

  1894 	pPlugin->m_fakeNatives.push_back(pNative);

  1896 	return true;

  1897 }

  1899 void CPluginManager::AddFunctionsToForward(const char *name, IChangeableForward *pForward)

  1900 {

  1901 	List<CPlugin *>::iterator iter;

  1902 	CPlugin *pPlugin;

  1903 	IPluginFunction *pFunction;

  1905 	for (iter = m_plugins.begin(); iter != m_plugins.end(); iter++)

  1906 	{

  1907 		pPlugin = (*iter);

  1909 		if (pPlugin->GetStatus() <= Plugin_Paused)

  1910 		{

  1911 			pFunction = pPlugin->GetBaseContext()->GetFunctionByName(name);

  1913 			if (pFunction)

  1914 			{

  1915 				pForward->AddFunction(pFunction);

  1916 			}

  1917 		}

  1918 	}

  1919 }

author	Borja Ferrer <faluco@alliedmods.net>
	Fri May 04 20:03:51 2007 +0000 (2007-05-04)
changeset 736	edf28ae3688e
parent 693	ce9cdd71ca8b
child 755	66c9fde7f632
permissions	-rw-r--r--