1.1 --- a/core/systems/ExtensionSys.cpp Mon Nov 24 08:25:36 2008 -0600
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,1208 +0,0 @@
1.4 -/**
1.5 - * vim: set ts=4 :
1.6 - * =============================================================================
1.7 - * SourceMod
1.8 - * Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
1.9 - * =============================================================================
1.10 - *
1.11 - * This program is free software; you can redistribute it and/or modify it under
1.12 - * the terms of the GNU General Public License, version 3.0, as published by the
1.13 - * Free Software Foundation.
1.14 - *
1.15 - * This program is distributed in the hope that it will be useful, but WITHOUT
1.16 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.17 - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.18 - * details.
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License along with
1.21 - * this program. If not, see <http://www.gnu.org/licenses/>.
1.22 - *
1.23 - * As a special exception, AlliedModders LLC gives you permission to link the
1.24 - * code of this program (as well as its derivative works) to "Half-Life 2," the
1.25 - * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
1.26 - * by the Valve Corporation. You must obey the GNU General Public License in
1.27 - * all respects for all other code used. Additionally, AlliedModders LLC grants
1.28 - * this exception to all derivative works. AlliedModders LLC defines further
1.29 - * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
1.30 - * or <http://www.sourcemod.net/license.php>.
1.31 - *
1.32 - * Version: $Id$
1.33 - */
1.34 -
1.35 -#include <stdlib.h>
1.36 -#include "ExtensionSys.h"
1.37 -#include "LibrarySys.h"
1.38 -#include "ShareSys.h"
1.39 -#include "Logger.h"
1.40 -#include "sourcemm_api.h"
1.41 -#include "sm_srvcmds.h"
1.42 -#include "sm_stringutil.h"
1.43 -
1.44 -CExtensionManager g_Extensions;
1.45 -IdentityType_t g_ExtType;
1.46 -
1.47 -void CExtension::Initialize(const char *filename, const char *path)
1.48 -{
1.49 - m_pAPI = NULL;
1.50 - m_pIdentToken = NULL;
1.51 - unload_code = 0;
1.52 - m_bFullyLoaded = false;
1.53 - m_File.assign(filename);
1.54 - m_Path.assign(path);
1.55 -}
1.56 -
1.57 -CRemoteExtension::CRemoteExtension(IExtensionInterface *pAPI, const char *filename, const char *path)
1.58 -{
1.59 - Initialize(filename, path);
1.60 - m_pAPI = pAPI;
1.61 -}
1.62 -
1.63 -CLocalExtension::CLocalExtension(const char *filename)
1.64 -{
1.65 - m_PlId = 0;
1.66 - m_pLib = NULL;
1.67 -
1.68 - char path[PLATFORM_MAX_PATH];
1.69 -
1.70 - /* First see if there is an engine specific build! */
1.71 - g_SourceMod.BuildPath(Path_SM,
1.72 - path,
1.73 - PLATFORM_MAX_PATH,
1.74 -#if defined METAMOD_PLAPI_VERSION
1.75 -#if defined ORANGEBOX_BUILD
1.76 - "extensions/auto.2.ep2/%s",
1.77 -#else
1.78 - "extensions/auto.2.ep1/%s",
1.79 -#endif //ORANGEBOX_BUILD
1.80 -#else //METAMOD_PLAPI_VERSION
1.81 - "extensions/auto.1.ep1/%s",
1.82 -#endif //METAMOD_PLAPI_VERSION
1.83 - filename);
1.84 -
1.85 - /* Try the "normal" version */
1.86 - if (!g_LibSys.IsPathFile(path))
1.87 - {
1.88 - g_SourceMod.BuildPath(Path_SM, path, PLATFORM_MAX_PATH, "extensions/%s", filename);
1.89 - }
1.90 -
1.91 - Initialize(filename, path);
1.92 -}
1.93 -
1.94 -bool CRemoteExtension::Load(char *error, size_t maxlength)
1.95 -{
1.96 - if (!PerformAPICheck(error, maxlength))
1.97 - {
1.98 - m_pAPI = NULL;
1.99 - return false;
1.100 - }
1.101 -
1.102 - if (!CExtension::Load(error, maxlength))
1.103 - {
1.104 - m_pAPI = NULL;
1.105 - return false;
1.106 - }
1.107 -
1.108 - return true;
1.109 -}
1.110 -
1.111 -bool CLocalExtension::Load(char *error, size_t maxlength)
1.112 -{
1.113 - m_pLib = g_LibSys.OpenLibrary(m_Path.c_str(), error, maxlength);
1.114 -
1.115 - if (m_pLib == NULL)
1.116 - {
1.117 - return false;
1.118 - }
1.119 -
1.120 - typedef IExtensionInterface *(*GETAPI)();
1.121 - GETAPI pfnGetAPI = NULL;
1.122 -
1.123 - if ((pfnGetAPI=(GETAPI)m_pLib->GetSymbolAddress("GetSMExtAPI")) == NULL)
1.124 - {
1.125 - m_pLib->CloseLibrary();
1.126 - m_pLib = NULL;
1.127 - snprintf(error, maxlength, "Unable to find extension entry point");
1.128 - return false;
1.129 - }
1.130 -
1.131 - m_pAPI = pfnGetAPI();
1.132 -
1.133 - /* Check pointer and version */
1.134 - if (!PerformAPICheck(error, maxlength))
1.135 - {
1.136 - m_pLib->CloseLibrary();
1.137 - m_pLib = NULL;
1.138 - m_pAPI = NULL;
1.139 - return false;
1.140 - }
1.141 -
1.142 - /* Load as MM:S */
1.143 - if (m_pAPI->IsMetamodExtension())
1.144 - {
1.145 - bool already;
1.146 - m_PlId = g_pMMPlugins->Load(m_Path.c_str(), g_PLID, already, error, maxlength);
1.147 - }
1.148 -
1.149 - if (!CExtension::Load(error, maxlength))
1.150 - {
1.151 - if (m_pAPI->IsMetamodExtension())
1.152 - {
1.153 - if (m_PlId)
1.154 - {
1.155 - char dummy[255];
1.156 - g_pMMPlugins->Unload(m_PlId, true, dummy, sizeof(dummy));
1.157 - m_PlId = 0;
1.158 - }
1.159 - }
1.160 - m_pLib->CloseLibrary();
1.161 - m_pLib = NULL;
1.162 - m_pAPI = NULL;
1.163 - return false;
1.164 - }
1.165 -
1.166 - return true;
1.167 -}
1.168 -
1.169 -void CRemoteExtension::Unload()
1.170 -{
1.171 -}
1.172 -
1.173 -void CLocalExtension::Unload()
1.174 -{
1.175 - if (m_pAPI != NULL && m_PlId)
1.176 - {
1.177 - char temp_buffer[255];
1.178 - g_pMMPlugins->Unload(m_PlId, true, temp_buffer, sizeof(temp_buffer));
1.179 - m_PlId = 0;
1.180 - }
1.181 -
1.182 - if (m_pLib != NULL)
1.183 - {
1.184 - m_pLib->CloseLibrary();
1.185 - m_pLib = NULL;
1.186 - }
1.187 -}
1.188 -
1.189 -bool CRemoteExtension::IsExternal()
1.190 -{
1.191 - return true;
1.192 -}
1.193 -
1.194 -bool CLocalExtension::IsExternal()
1.195 -{
1.196 - return false;
1.197 -}
1.198 -
1.199 -CExtension::~CExtension()
1.200 -{
1.201 - DestroyIdentity();
1.202 -}
1.203 -
1.204 -bool CExtension::PerformAPICheck(char *error, size_t maxlength)
1.205 -{
1.206 - if (!m_pAPI)
1.207 - {
1.208 - snprintf(error, maxlength, "No IExtensionInterface instance provided");
1.209 - return false;
1.210 - }
1.211 -
1.212 - if (m_pAPI->GetExtensionVersion() > SMINTERFACE_EXTENSIONAPI_VERSION)
1.213 - {
1.214 - snprintf(error, maxlength, "Extension version is too new to load (%d, max is %d)", m_pAPI->GetExtensionVersion(), SMINTERFACE_EXTENSIONAPI_VERSION);
1.215 - return false;
1.216 - }
1.217 -
1.218 - return true;
1.219 -}
1.220 -
1.221 -bool CExtension::Load(char *error, size_t maxlength)
1.222 -{
1.223 - CreateIdentity();
1.224 - if (!m_pAPI->OnExtensionLoad(this, &g_ShareSys, error, maxlength, !g_SourceMod.IsMapLoading()))
1.225 - {
1.226 - DestroyIdentity();
1.227 - return false;
1.228 - }
1.229 - else
1.230 - {
1.231 - /* Check if we're past load time */
1.232 - if (!g_SourceMod.IsMapLoading())
1.233 - {
1.234 - m_pAPI->OnExtensionsAllLoaded();
1.235 - }
1.236 - }
1.237 -
1.238 - return true;
1.239 -}
1.240 -
1.241 -void CExtension::CreateIdentity()
1.242 -{
1.243 - if (m_pIdentToken != NULL)
1.244 - {
1.245 - return;
1.246 - }
1.247 -
1.248 - m_pIdentToken = g_ShareSys.CreateIdentity(g_ExtType, this);
1.249 -}
1.250 -
1.251 -void CExtension::DestroyIdentity()
1.252 -{
1.253 - if (m_pIdentToken == NULL)
1.254 - {
1.255 - return;
1.256 - }
1.257 -
1.258 - g_ShareSys.DestroyIdentity(m_pIdentToken);
1.259 - m_pIdentToken = NULL;
1.260 -}
1.261 -
1.262 -void CExtension::MarkAllLoaded()
1.263 -{
1.264 - assert(m_bFullyLoaded == false);
1.265 - if (!m_bFullyLoaded)
1.266 - {
1.267 - m_bFullyLoaded = true;
1.268 - m_pAPI->OnExtensionsAllLoaded();
1.269 - }
1.270 -}
1.271 -
1.272 -void CExtension::AddPlugin(CPlugin *pPlugin)
1.273 -{
1.274 - /* Unfortunately we have to do this :( */
1.275 - if (m_Dependents.find(pPlugin) != m_Dependents.end())
1.276 - {
1.277 - m_Dependents.push_back(pPlugin);
1.278 - }
1.279 -}
1.280 -
1.281 -void CExtension::SetError(const char *error)
1.282 -{
1.283 - m_Error.assign(error);
1.284 -}
1.285 -
1.286 -IExtensionInterface *CExtension::GetAPI()
1.287 -{
1.288 - return m_pAPI;
1.289 -}
1.290 -
1.291 -const char *CExtension::GetFilename()
1.292 -{
1.293 - return m_File.c_str();
1.294 -}
1.295 -
1.296 -IdentityToken_t *CExtension::GetIdentity()
1.297 -{
1.298 - return m_pIdentToken;
1.299 -}
1.300 -
1.301 -bool CRemoteExtension::IsLoaded()
1.302 -{
1.303 - return (m_pAPI != NULL);
1.304 -}
1.305 -
1.306 -bool CLocalExtension::IsLoaded()
1.307 -{
1.308 - return (m_pLib != NULL);
1.309 -}
1.310 -
1.311 -void CExtension::AddDependency(const IfaceInfo *pInfo)
1.312 -{
1.313 - if (m_Deps.find(*pInfo) == m_Deps.end())
1.314 - {
1.315 - m_Deps.push_back(*pInfo);
1.316 - }
1.317 -}
1.318 -
1.319 -bool operator ==(const IfaceInfo &i1, const IfaceInfo &i2)
1.320 -{
1.321 - return (i1.iface == i2.iface) && (i1.owner == i2.owner);
1.322 -}
1.323 -
1.324 -void CExtension::AddChildDependent(CExtension *pOther, SMInterface *iface)
1.325 -{
1.326 - IfaceInfo info;
1.327 - info.iface = iface;
1.328 - info.owner = pOther;
1.329 -
1.330 - List<IfaceInfo>::iterator iter;
1.331 - for (iter = m_ChildDeps.begin();
1.332 - iter != m_ChildDeps.end();
1.333 - iter++)
1.334 - {
1.335 - IfaceInfo &other = (*iter);
1.336 - if (other == info)
1.337 - {
1.338 - return;
1.339 - }
1.340 - }
1.341 -
1.342 - m_ChildDeps.push_back(info);
1.343 -}
1.344 -
1.345 -ITERATOR *CExtension::FindFirstDependency(IExtension **pOwner, SMInterface **pInterface)
1.346 -{
1.347 - List<IfaceInfo>::iterator iter = m_Deps.begin();
1.348 -
1.349 - if (iter == m_Deps.end())
1.350 - {
1.351 - return NULL;
1.352 - }
1.353 -
1.354 - if (pOwner)
1.355 - {
1.356 - *pOwner = (*iter).owner;
1.357 - }
1.358 - if (pInterface)
1.359 - {
1.360 - *pInterface = (*iter).iface;
1.361 - }
1.362 -
1.363 - List<IfaceInfo>::iterator *pIter = new List<IfaceInfo>::iterator(iter);
1.364 -
1.365 - return (ITERATOR *)pIter;
1.366 -}
1.367 -
1.368 -bool CExtension::FindNextDependency(ITERATOR *iter, IExtension **pOwner, SMInterface **pInterface)
1.369 -{
1.370 - List<IfaceInfo>::iterator *pIter = (List<IfaceInfo>::iterator *)iter;
1.371 - List<IfaceInfo>::iterator _iter;
1.372 -
1.373 - if (_iter == m_Deps.end())
1.374 - {
1.375 - return false;
1.376 - }
1.377 -
1.378 - _iter++;
1.379 -
1.380 - if (pOwner)
1.381 - {
1.382 - *pOwner = (*_iter).owner;
1.383 - }
1.384 - if (pInterface)
1.385 - {
1.386 - *pInterface = (*_iter).iface;
1.387 - }
1.388 -
1.389 - *pIter = _iter;
1.390 -
1.391 - if (_iter == m_Deps.end())
1.392 - {
1.393 - return false;
1.394 - }
1.395 -
1.396 - return true;
1.397 -}
1.398 -
1.399 -void CExtension::FreeDependencyIterator(ITERATOR *iter)
1.400 -{
1.401 - List<IfaceInfo>::iterator *pIter = (List<IfaceInfo>::iterator *)iter;
1.402 -
1.403 - delete pIter;
1.404 -}
1.405 -
1.406 -void CExtension::AddInterface(SMInterface *pInterface)
1.407 -{
1.408 - m_Interfaces.push_back(pInterface);
1.409 -}
1.410 -
1.411 -bool CExtension::IsRunning(char *error, size_t maxlength)
1.412 -{
1.413 - if (!IsLoaded())
1.414 - {
1.415 - if (error)
1.416 - {
1.417 - snprintf(error, maxlength, "%s", m_Error.c_str());
1.418 - }
1.419 - return false;
1.420 - }
1.421 -
1.422 - return m_pAPI->QueryRunning(error, maxlength);
1.423 -}
1.424 -
1.425 -void CExtension::AddLibrary(const char *library)
1.426 -{
1.427 - m_Libraries.push_back(library);
1.428 -}
1.429 -
1.430 -/*********************
1.431 - * EXTENSION MANAGER *
1.432 - *********************/
1.433 -
1.434 -void CExtensionManager::OnSourceModAllInitialized()
1.435 -{
1.436 - g_ExtType = g_ShareSys.CreateIdentType("EXTENSION");
1.437 - g_PluginSys.AddPluginsListener(this);
1.438 - g_RootMenu.AddRootConsoleCommand("exts", "Manage extensions", this);
1.439 - g_ShareSys.AddInterface(NULL, this);
1.440 -}
1.441 -
1.442 -void CExtensionManager::OnSourceModShutdown()
1.443 -{
1.444 - g_RootMenu.RemoveRootConsoleCommand("exts", this);
1.445 - g_ShareSys.DestroyIdentType(g_ExtType);
1.446 -}
1.447 -
1.448 -void CExtensionManager::Shutdown()
1.449 -{
1.450 - List<CExtension *>::iterator iter;
1.451 -
1.452 - while ((iter = m_Libs.begin()) != m_Libs.end())
1.453 - {
1.454 - UnloadExtension((*iter));
1.455 - }
1.456 -}
1.457 -
1.458 -void CExtensionManager::TryAutoload()
1.459 -{
1.460 - char path[PLATFORM_MAX_PATH];
1.461 -
1.462 - g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "extensions");
1.463 -
1.464 - IDirectory *pDir = g_LibSys.OpenDirectory(path);
1.465 - if (!pDir)
1.466 - {
1.467 - return;
1.468 - }
1.469 -
1.470 - const char *lfile;
1.471 - size_t len;
1.472 - while (pDir->MoreFiles())
1.473 - {
1.474 - if (pDir->IsEntryDirectory())
1.475 - {
1.476 - pDir->NextEntry();
1.477 - continue;
1.478 - }
1.479 -
1.480 - lfile = pDir->GetEntryName();
1.481 - len = strlen(lfile);
1.482 - if (len <= 9) /* size of ".autoload" */
1.483 - {
1.484 - pDir->NextEntry();
1.485 - continue;
1.486 - }
1.487 -
1.488 - if (strcmp(&lfile[len - 9], ".autoload") != 0)
1.489 - {
1.490 - pDir->NextEntry();
1.491 - continue;
1.492 - }
1.493 -
1.494 - char file[PLATFORM_MAX_PATH];
1.495 - len = UTIL_Format(file, sizeof(file), "%s", lfile);
1.496 - strcpy(&file[len - 9], ".ext." PLATFORM_LIB_EXT);
1.497 -
1.498 - LoadAutoExtension(file);
1.499 -
1.500 - pDir->NextEntry();
1.501 - }
1.502 -}
1.503 -
1.504 -IExtension *CExtensionManager::LoadAutoExtension(const char *path)
1.505 -{
1.506 - if (!strstr(path, "." PLATFORM_LIB_EXT))
1.507 - {
1.508 - char newpath[PLATFORM_MAX_PATH];
1.509 - g_LibSys.PathFormat(newpath, sizeof(newpath), "%s.%s", path, PLATFORM_LIB_EXT);
1.510 - return LoadAutoExtension(newpath);
1.511 - }
1.512 -
1.513 - IExtension *pAlready;
1.514 - if ((pAlready=FindExtensionByFile(path)) != NULL)
1.515 - {
1.516 - return pAlready;
1.517 - }
1.518 -
1.519 - char error[256];
1.520 - CExtension *p = new CLocalExtension(path);
1.521 -
1.522 - /* We put us in the list beforehand so extensions that check for each other
1.523 - * won't recursively load each other.
1.524 - */
1.525 - m_Libs.push_back(p);
1.526 -
1.527 - if (!p->Load(error, sizeof(error)) || !p->IsLoaded())
1.528 - {
1.529 - g_Logger.LogError("[SM] Unable to load extension \"%s\": %s", path, error);
1.530 - p->SetError(error);
1.531 - }
1.532 -
1.533 - return p;
1.534 -}
1.535 -
1.536 -IExtension *CExtensionManager::FindExtensionByFile(const char *file)
1.537 -{
1.538 - List<CExtension *>::iterator iter;
1.539 - CExtension *pExt;
1.540 -
1.541 - /* Chomp off the path */
1.542 - char lookup[PLATFORM_MAX_PATH];
1.543 - g_LibSys.GetFileFromPath(lookup, sizeof(lookup), file);
1.544 -
1.545 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++)
1.546 - {
1.547 - pExt = (*iter);
1.548 - char short_file[PLATFORM_MAX_PATH];
1.549 - g_LibSys.GetFileFromPath(short_file, sizeof(short_file), pExt->GetFilename());
1.550 - if (strcmp(lookup, short_file) == 0)
1.551 - {
1.552 - return pExt;
1.553 - }
1.554 - }
1.555 -
1.556 - /* If we got no results, test if there was a platform extension.
1.557 - * If not, add one.
1.558 - */
1.559 - if (!strstr(file, "." PLATFORM_LIB_EXT))
1.560 - {
1.561 - char path[PLATFORM_MAX_PATH];
1.562 - UTIL_Format(path, sizeof(path), "%s.%s", file, PLATFORM_LIB_EXT);
1.563 - return FindExtensionByFile(path);
1.564 - }
1.565 -
1.566 - return NULL;
1.567 -}
1.568 -
1.569 -IExtension *CExtensionManager::FindExtensionByName(const char *ext)
1.570 -{
1.571 - List<CExtension *>::iterator iter;
1.572 - CExtension *pExt;
1.573 - IExtensionInterface *pAPI;
1.574 - const char *name;
1.575 -
1.576 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++)
1.577 - {
1.578 - pExt = (*iter);
1.579 - if (!pExt->IsLoaded())
1.580 - {
1.581 - continue;
1.582 - }
1.583 - if ((pAPI = pExt->GetAPI()) == NULL)
1.584 - {
1.585 - continue;
1.586 - }
1.587 - name = pAPI->GetExtensionName();
1.588 - if (!name)
1.589 - {
1.590 - continue;
1.591 - }
1.592 - if (strcmp(name, ext) == 0)
1.593 - {
1.594 - return pExt;
1.595 - }
1.596 - }
1.597 -
1.598 - return NULL;
1.599 -}
1.600 -
1.601 -IExtension *CExtensionManager::LoadExtension(const char *file, char *error, size_t maxlength)
1.602 -{
1.603 - IExtension *pAlready;
1.604 - if ((pAlready=FindExtensionByFile(file)) != NULL)
1.605 - {
1.606 - return pAlready;
1.607 - }
1.608 -
1.609 - CExtension *pExt = new CLocalExtension(file);
1.610 -
1.611 - if (!pExt->Load(error, maxlength) || !pExt->IsLoaded())
1.612 - {
1.613 - pExt->Unload();
1.614 - delete pExt;
1.615 - return NULL;
1.616 - }
1.617 -
1.618 - /* :TODO: do QueryRunning check if the map is loaded */
1.619 -
1.620 - m_Libs.push_back(pExt);
1.621 -
1.622 - return pExt;
1.623 -}
1.624 -
1.625 -void CExtensionManager::BindDependency(IExtension *pRequester, IfaceInfo *pInfo)
1.626 -{
1.627 - CExtension *pExt = (CExtension *)pRequester;
1.628 - CExtension *pOwner = (CExtension *)pInfo->owner;
1.629 -
1.630 - pExt->AddDependency(pInfo);
1.631 -
1.632 - IExtensionInterface *pAPI = pExt->GetAPI();
1.633 - if (pAPI && !pAPI->QueryInterfaceDrop(pInfo->iface))
1.634 - {
1.635 - pOwner->AddChildDependent(pExt, pInfo->iface);
1.636 - }
1.637 -}
1.638 -
1.639 -void CExtensionManager::AddRawDependency(IExtension *ext, IdentityToken_t *other, void *iface)
1.640 -{
1.641 - CExtension *pExt = (CExtension *)ext;
1.642 - CExtension *pOwner = GetExtensionFromIdent(other);
1.643 -
1.644 - IfaceInfo info;
1.645 -
1.646 - info.iface = (SMInterface *)iface;
1.647 - info.owner = pOwner;
1.648 -
1.649 - pExt->AddDependency(&info);
1.650 - pOwner->AddChildDependent(pExt, (SMInterface *)iface);
1.651 -}
1.652 -
1.653 -void CExtensionManager::AddInterface(IExtension *pOwner, SMInterface *pInterface)
1.654 -{
1.655 - CExtension *pExt = (CExtension *)pOwner;
1.656 -
1.657 - pExt->AddInterface(pInterface);
1.658 -}
1.659 -
1.660 -void CExtensionManager::BindChildPlugin( IExtension *pParent, CPlugin *pPlugin )
1.661 -{
1.662 - CExtension *pExt = (CExtension *)pParent;
1.663 -
1.664 - pExt->AddPlugin(pPlugin);
1.665 -}
1.666 -
1.667 -void CExtensionManager::OnPluginDestroyed(IPlugin *plugin)
1.668 -{
1.669 - List<CExtension *>::iterator iter;
1.670 -
1.671 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++)
1.672 - {
1.673 - (*iter)->DropRefsTo((CPlugin *)plugin);
1.674 - }
1.675 -}
1.676 -
1.677 -CExtension *CExtensionManager::FindByOrder(unsigned int num)
1.678 -{
1.679 - if (num < 1 || num > m_Libs.size())
1.680 - {
1.681 - return NULL;
1.682 - }
1.683 -
1.684 - List<CExtension *>::iterator iter = m_Libs.begin();
1.685 -
1.686 - while (iter != m_Libs.end())
1.687 - {
1.688 - if (--num == 0)
1.689 - {
1.690 - return (*iter);
1.691 - }
1.692 - iter++;
1.693 - }
1.694 -
1.695 - return NULL;
1.696 -}
1.697 -
1.698 -bool CExtensionManager::UnloadExtension(IExtension *_pExt)
1.699 -{
1.700 - if (!_pExt)
1.701 - {
1.702 - return false;
1.703 - }
1.704 -
1.705 - CExtension *pExt = (CExtension *)_pExt;
1.706 -
1.707 - if (m_Libs.find(pExt) == m_Libs.end())
1.708 - {
1.709 - return false;
1.710 - }
1.711 -
1.712 - /* First remove us from internal lists */
1.713 - g_ShareSys.RemoveInterfaces(_pExt);
1.714 - m_Libs.remove(pExt);
1.715 -
1.716 - List<CExtension *> UnloadQueue;
1.717 -
1.718 - /* Handle dependencies */
1.719 - if (pExt->IsLoaded())
1.720 - {
1.721 - /* Unload any dependent plugins */
1.722 - List<CPlugin *>::iterator p_iter = pExt->m_Dependents.begin();
1.723 - while (p_iter != pExt->m_Dependents.end())
1.724 - {
1.725 - /* We have to manually unlink ourselves here, since we're no longer being managed */
1.726 - g_PluginSys.UnloadPlugin((*p_iter));
1.727 - p_iter = pExt->m_Dependents.erase(p_iter);
1.728 - }
1.729 -
1.730 - List<String>::iterator s_iter;
1.731 - for (s_iter = pExt->m_Libraries.begin();
1.732 - s_iter != pExt->m_Libraries.end();
1.733 - s_iter++)
1.734 - {
1.735 - g_PluginSys.OnLibraryAction((*s_iter).c_str(), false, true);
1.736 - }
1.737 -
1.738 - /* Notify and/or unload all dependencies */
1.739 - List<CExtension *>::iterator c_iter;
1.740 - CExtension *pDep;
1.741 - IExtensionInterface *pAPI;
1.742 - for (c_iter = m_Libs.begin(); c_iter != m_Libs.end(); c_iter++)
1.743 - {
1.744 - pDep = (*c_iter);
1.745 - if ((pAPI=pDep->GetAPI()) == NULL)
1.746 - {
1.747 - continue;
1.748 - }
1.749 - if (pDep == pExt)
1.750 - {
1.751 - continue;
1.752 - }
1.753 - /* Now, get its dependency list */
1.754 - bool dropped = false;
1.755 - List<IfaceInfo>::iterator i_iter = pDep->m_Deps.begin();
1.756 - while (i_iter != pDep->m_Deps.end())
1.757 - {
1.758 - if ((*i_iter).owner == _pExt)
1.759 - {
1.760 - if (!pAPI->QueryInterfaceDrop((*i_iter).iface))
1.761 - {
1.762 - if (!dropped)
1.763 - {
1.764 - dropped = true;
1.765 - UnloadQueue.push_back(pDep);
1.766 - }
1.767 - }
1.768 - pAPI->NotifyInterfaceDrop((*i_iter).iface);
1.769 - i_iter = pDep->m_Deps.erase(i_iter);
1.770 - }
1.771 - else
1.772 - {
1.773 - i_iter++;
1.774 - }
1.775 - }
1.776 - /* Flush out any back references to this plugin */
1.777 - i_iter = pDep->m_ChildDeps.begin();
1.778 - while (i_iter != pDep->m_ChildDeps.end())
1.779 - {
1.780 - if ((*i_iter).owner == pExt)
1.781 - {
1.782 - i_iter = pDep->m_ChildDeps.erase(i_iter);
1.783 - }
1.784 - else
1.785 - {
1.786 - i_iter++;
1.787 - }
1.788 - }
1.789 - }
1.790 -
1.791 - /* Unbind our natives from Core */
1.792 - pExt->DropEverything();
1.793 - }
1.794 -
1.795 - IdentityToken_t *pIdentity;
1.796 - if ((pIdentity = pExt->GetIdentity()) != NULL)
1.797 - {
1.798 - SMGlobalClass *glob = SMGlobalClass::head;
1.799 - while (glob)
1.800 - {
1.801 - glob->OnSourceModIdentityDropped(pIdentity);
1.802 - glob = glob->m_pGlobalClassNext;
1.803 - }
1.804 - }
1.805 -
1.806 - /* Tell it to unload */
1.807 - if (pExt->IsLoaded())
1.808 - {
1.809 - IExtensionInterface *pAPI = pExt->GetAPI();
1.810 - pAPI->OnExtensionUnload();
1.811 - }
1.812 -
1.813 - pExt->Unload();
1.814 - delete pExt;
1.815 -
1.816 - List<CExtension *>::iterator iter;
1.817 - for (iter=UnloadQueue.begin(); iter!=UnloadQueue.end(); iter++)
1.818 - {
1.819 - /* NOTE: This is safe because the unload function backs out of anything not present */
1.820 - UnloadExtension((*iter));
1.821 - }
1.822 -
1.823 - return true;
1.824 -}
1.825 -
1.826 -void CExtensionManager::MarkAllLoaded()
1.827 -{
1.828 - List<CExtension *>::iterator iter;
1.829 - CExtension *pExt;
1.830 -
1.831 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++)
1.832 - {
1.833 - pExt = (*iter);
1.834 - if (!pExt->IsLoaded())
1.835 - {
1.836 - continue;
1.837 - }
1.838 - if (pExt->m_bFullyLoaded)
1.839 - {
1.840 - continue;
1.841 - }
1.842 - pExt->MarkAllLoaded();
1.843 - }
1.844 -}
1.845 -
1.846 -void CExtensionManager::AddDependency(IExtension *pSource, const char *file, bool required, bool autoload)
1.847 -{
1.848 - /* This function doesn't really need to do anything now. We make sure the
1.849 - * other extension is loaded, but handling of dependencies is really done
1.850 - * by the interface fetcher.
1.851 - */
1.852 - if (required || autoload)
1.853 - {
1.854 - LoadAutoExtension(file);
1.855 - }
1.856 -}
1.857 -
1.858 -void CExtensionManager::OnRootConsoleCommand(const char *cmdname, const CCommand &command)
1.859 -{
1.860 - int argcount = command.ArgC();
1.861 - if (argcount >= 3)
1.862 - {
1.863 - const char *cmd = command.Arg(2);
1.864 - if (strcmp(cmd, "list") == 0)
1.865 - {
1.866 - List<CExtension *>::iterator iter;
1.867 - CExtension *pExt;
1.868 - unsigned int num = 1;
1.869 - switch (m_Libs.size())
1.870 - {
1.871 - case 1:
1.872 - {
1.873 - g_RootMenu.ConsolePrint("[SM] Displaying 1 extension:");
1.874 - break;
1.875 - }
1.876 - case 0:
1.877 - {
1.878 - g_RootMenu.ConsolePrint("[SM] No extensions are loaded.");
1.879 - break;
1.880 - }
1.881 - default:
1.882 - {
1.883 - g_RootMenu.ConsolePrint("[SM] Displaying %d extensions:", m_Libs.size());
1.884 - break;
1.885 - }
1.886 - }
1.887 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++,num++)
1.888 - {
1.889 - pExt = (*iter);
1.890 - if (pExt->IsLoaded())
1.891 - {
1.892 - char error[255];
1.893 - if (!pExt->IsRunning(error, sizeof(error)))
1.894 - {
1.895 - g_RootMenu.ConsolePrint("[%02d] <FAILED> file \"%s\": %s", num, pExt->GetFilename(), error);
1.896 - }
1.897 - else
1.898 - {
1.899 - IExtensionInterface *pAPI = pExt->GetAPI();
1.900 - const char *name = pAPI->GetExtensionName();
1.901 - const char *version = pAPI->GetExtensionVerString();
1.902 - const char *descr = pAPI->GetExtensionDescription();
1.903 - g_RootMenu.ConsolePrint("[%02d] %s (%s): %s", num, name, version, descr);
1.904 - }
1.905 - } else {
1.906 - g_RootMenu.ConsolePrint("[%02d] <FAILED> file \"%s\": %s", num, pExt->GetFilename(), pExt->m_Error.c_str());
1.907 - }
1.908 - }
1.909 - return;
1.910 - }
1.911 - else if (strcmp(cmd, "info") == 0)
1.912 - {
1.913 - if (argcount < 4)
1.914 - {
1.915 - g_RootMenu.ConsolePrint("[SM] Usage: sm info <#>");
1.916 - return;
1.917 - }
1.918 -
1.919 - const char *sId = command.Arg(3);
1.920 - unsigned int id = atoi(sId);
1.921 - if (id <= 0)
1.922 - {
1.923 - g_RootMenu.ConsolePrint("[SM] Usage: sm info <#>");
1.924 - return;
1.925 - }
1.926 -
1.927 - if (m_Libs.size() == 0)
1.928 - {
1.929 - g_RootMenu.ConsolePrint("[SM] No extensions are loaded.");
1.930 - return;
1.931 - }
1.932 -
1.933 - if (id > m_Libs.size())
1.934 - {
1.935 - g_RootMenu.ConsolePrint("[SM] No extension was found with id %d.", id);
1.936 - return;
1.937 - }
1.938 -
1.939 - List<CExtension *>::iterator iter = m_Libs.begin();
1.940 - CExtension *pExt = NULL;
1.941 - while (iter != m_Libs.end())
1.942 - {
1.943 - if (--id == 0)
1.944 - {
1.945 - pExt = (*iter);
1.946 - break;
1.947 - }
1.948 - iter++;
1.949 - }
1.950 - /* This should never happen */
1.951 - if (!pExt)
1.952 - {
1.953 - g_RootMenu.ConsolePrint("[SM] No extension was found with id %d.", id);
1.954 - return;
1.955 - }
1.956 -
1.957 - if (!pExt->IsLoaded())
1.958 - {
1.959 - g_RootMenu.ConsolePrint(" File: %s", pExt->GetFilename());
1.960 - g_RootMenu.ConsolePrint(" Loaded: No (%s)", pExt->m_Error.c_str());
1.961 - }
1.962 - else
1.963 - {
1.964 - char error[255];
1.965 - if (!pExt->IsRunning(error, sizeof(error)))
1.966 - {
1.967 - g_RootMenu.ConsolePrint(" File: %s", pExt->GetFilename());
1.968 - g_RootMenu.ConsolePrint(" Loaded: Yes");
1.969 - g_RootMenu.ConsolePrint(" Running: No (%s)", error);
1.970 - }
1.971 - else
1.972 - {
1.973 - IExtensionInterface *pAPI = pExt->GetAPI();
1.974 - g_RootMenu.ConsolePrint(" File: %s", pExt->GetFilename());
1.975 - g_RootMenu.ConsolePrint(" Loaded: Yes (version %s)", pAPI->GetExtensionVerString());
1.976 - g_RootMenu.ConsolePrint(" Name: %s (%s)", pAPI->GetExtensionName(), pAPI->GetExtensionDescription());
1.977 - g_RootMenu.ConsolePrint(" Author: %s (%s)", pAPI->GetExtensionAuthor(), pAPI->GetExtensionURL());
1.978 - g_RootMenu.ConsolePrint(" Binary info: API version %d (compiled %s)", pAPI->GetExtensionVersion(), pAPI->GetExtensionDateString());
1.979 -
1.980 - if (pExt->IsExternal())
1.981 - {
1.982 - g_RootMenu.ConsolePrint(" Method: Loaded by Metamod:Source, attached to SourceMod");
1.983 - }
1.984 - else if (pAPI->IsMetamodExtension())
1.985 - {
1.986 - g_RootMenu.ConsolePrint(" Method: Loaded by SourceMod, attached to Metamod:Source");
1.987 - }
1.988 - else
1.989 - {
1.990 - g_RootMenu.ConsolePrint(" Method: Loaded by SourceMod");
1.991 - }
1.992 - }
1.993 - }
1.994 - return;
1.995 - }
1.996 - else if (strcmp(cmd, "unload") == 0)
1.997 - {
1.998 - if (argcount < 4)
1.999 - {
1.1000 - g_RootMenu.ConsolePrint("[SM] Usage: sm unload <#> [code]");
1.1001 - return;
1.1002 - }
1.1003 -
1.1004 - const char *arg = command.Arg(3);
1.1005 - unsigned int num = atoi(arg);
1.1006 - CExtension *pExt = FindByOrder(num);
1.1007 -
1.1008 - if (!pExt)
1.1009 - {
1.1010 - g_RootMenu.ConsolePrint("[SM] Extension number %d was not found.", num);
1.1011 - return;
1.1012 - }
1.1013 -
1.1014 - if (argcount > 4 && pExt->unload_code)
1.1015 - {
1.1016 - const char *unload = command.Arg(4);
1.1017 - if (pExt->unload_code == (unsigned)atoi(unload))
1.1018 - {
1.1019 - char filename[PLATFORM_MAX_PATH];
1.1020 - snprintf(filename, PLATFORM_MAX_PATH, "%s", pExt->GetFilename());
1.1021 - UnloadExtension(pExt);
1.1022 - g_RootMenu.ConsolePrint("[SM] Extension %s is now unloaded.", filename);
1.1023 - }
1.1024 - else
1.1025 - {
1.1026 - g_RootMenu.ConsolePrint("[SM] Please try again, the correct unload code is \"%d\"", pExt->unload_code);
1.1027 - }
1.1028 - return;
1.1029 - }
1.1030 -
1.1031 - if (!pExt->IsLoaded()
1.1032 - || (!pExt->m_ChildDeps.size() && !pExt->m_Dependents.size()))
1.1033 - {
1.1034 - char filename[PLATFORM_MAX_PATH];
1.1035 - snprintf(filename, PLATFORM_MAX_PATH, "%s", pExt->GetFilename());
1.1036 - UnloadExtension(pExt);
1.1037 - g_RootMenu.ConsolePrint("[SM] Extension %s is now unloaded.", filename);
1.1038 - return;
1.1039 - }
1.1040 - else
1.1041 - {
1.1042 - List<CPlugin *> plugins;
1.1043 - if (pExt->m_ChildDeps.size())
1.1044 - {
1.1045 - g_RootMenu.ConsolePrint("[SM] Unloading %s will unload the following extensions: ", pExt->GetFilename());
1.1046 - List<CExtension *>::iterator iter;
1.1047 - CExtension *pOther;
1.1048 - /* Get list of all extensions */
1.1049 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++)
1.1050 - {
1.1051 - List<IfaceInfo>::iterator i_iter;
1.1052 - pOther = (*iter);
1.1053 - if (!pOther->IsLoaded() || pOther == pExt)
1.1054 - {
1.1055 - continue;
1.1056 - }
1.1057 - /* Get their dependencies */
1.1058 - for (i_iter=pOther->m_Deps.begin();
1.1059 - i_iter!=pOther->m_Deps.end();
1.1060 - i_iter++)
1.1061 - {
1.1062 - /* Is this dependency to us? */
1.1063 - if ((*i_iter).owner != pExt)
1.1064 - {
1.1065 - continue;
1.1066 - }
1.1067 - /* Will our dependent care? */
1.1068 - if (!pExt->GetAPI()->QueryInterfaceDrop((*i_iter).iface))
1.1069 - {
1.1070 - g_RootMenu.ConsolePrint(" -> %s", pExt->GetFilename());
1.1071 - /* Add to plugin unload list */
1.1072 - List<CPlugin *>::iterator p_iter;
1.1073 - for (p_iter=pOther->m_Dependents.begin();
1.1074 - p_iter!=pOther->m_Dependents.end();
1.1075 - p_iter++)
1.1076 - {
1.1077 - if (plugins.find((*p_iter)) == plugins.end())
1.1078 - {
1.1079 - plugins.push_back((*p_iter));
1.1080 - }
1.1081 - }
1.1082 - }
1.1083 - }
1.1084 - }
1.1085 - }
1.1086 - if (pExt->m_Dependents.size())
1.1087 - {
1.1088 - g_RootMenu.ConsolePrint("[SM] Unloading %s will unload the following plugins: ", pExt->GetFilename());
1.1089 - List<CPlugin *>::iterator iter;
1.1090 - CPlugin *pPlugin;
1.1091 - for (iter = pExt->m_Dependents.begin(); iter != pExt->m_Dependents.end(); iter++)
1.1092 - {
1.1093 - pPlugin = (*iter);
1.1094 - if (plugins.find(pPlugin) == plugins.end())
1.1095 - {
1.1096 - plugins.push_back(pPlugin);
1.1097 - }
1.1098 - }
1.1099 - for (iter = plugins.begin(); iter != plugins.end(); iter++)
1.1100 - {
1.1101 - pPlugin = (*iter);
1.1102 - g_RootMenu.ConsolePrint(" -> %s", pPlugin->GetFilename());
1.1103 - }
1.1104 - }
1.1105 - srand(static_cast<int>(time(NULL)));
1.1106 - pExt->unload_code = (rand() % 877) + 123; //123 to 999
1.1107 - g_RootMenu.ConsolePrint("[SM] To verify unloading %s, please use the following: ", pExt->GetFilename());
1.1108 - g_RootMenu.ConsolePrint("[SM] sm exts unload %d %d", num, pExt->unload_code);
1.1109 -
1.1110 - return;
1.1111 - }
1.1112 - }
1.1113 - }
1.1114 -
1.1115 - g_RootMenu.ConsolePrint("SourceMod Extensions Menu:");
1.1116 - g_RootMenu.DrawGenericOption("info", "Extra extension information");
1.1117 - g_RootMenu.DrawGenericOption("list", "List extensions");
1.1118 - g_RootMenu.DrawGenericOption("unload", "Unload an extension");
1.1119 -}
1.1120 -
1.1121 -CExtension *CExtensionManager::GetExtensionFromIdent(IdentityToken_t *ptr)
1.1122 -{
1.1123 - if (ptr->type == g_ExtType)
1.1124 - {
1.1125 - return (CExtension *)(ptr->ptr);
1.1126 - }
1.1127 -
1.1128 - return NULL;
1.1129 -}
1.1130 -
1.1131 -CExtensionManager::CExtensionManager()
1.1132 -{
1.1133 -}
1.1134 -
1.1135 -CExtensionManager::~CExtensionManager()
1.1136 -{
1.1137 -}
1.1138 -
1.1139 -void CExtensionManager::AddLibrary(IExtension *pSource, const char *library)
1.1140 -{
1.1141 - CExtension *pExt = (CExtension *)pSource;
1.1142 - pExt->AddLibrary(library);
1.1143 - g_PluginSys.OnLibraryAction(library, false, false);
1.1144 -}
1.1145 -
1.1146 -bool CExtensionManager::LibraryExists(const char *library)
1.1147 -{
1.1148 - CExtension *pExt;
1.1149 -
1.1150 - for (List<CExtension *>::iterator iter = m_Libs.begin();
1.1151 - iter != m_Libs.end();
1.1152 - iter++)
1.1153 - {
1.1154 - pExt = (*iter);
1.1155 - for (List<String>::iterator s_iter = pExt->m_Libraries.begin();
1.1156 - s_iter != pExt->m_Libraries.end();
1.1157 - s_iter++)
1.1158 - {
1.1159 - if ((*s_iter).compare(library) == 0)
1.1160 - {
1.1161 - return true;
1.1162 - }
1.1163 - }
1.1164 - }
1.1165 -
1.1166 - return false;
1.1167 -}
1.1168 -
1.1169 -IExtension *CExtensionManager::LoadExternal(IExtensionInterface *pInterface,
1.1170 - const char *filepath,
1.1171 - const char *filename,
1.1172 - char *error,
1.1173 - size_t maxlength)
1.1174 -{
1.1175 - IExtension *pAlready;
1.1176 - if ((pAlready=FindExtensionByFile(filename)) != NULL)
1.1177 - {
1.1178 - return pAlready;
1.1179 - }
1.1180 -
1.1181 - CExtension *pExt = new CRemoteExtension(pInterface, filename, filepath);
1.1182 -
1.1183 - if (!pExt->Load(error, maxlength) || !pExt->IsLoaded())
1.1184 - {
1.1185 - pExt->Unload();
1.1186 - delete pExt;
1.1187 - return NULL;
1.1188 - }
1.1189 -
1.1190 - m_Libs.push_back(pExt);
1.1191 -
1.1192 - return pExt;
1.1193 -}
1.1194 -
1.1195 -void CExtensionManager::CallOnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax)
1.1196 -{
1.1197 - IExtensionInterface *pAPI;
1.1198 - List<CExtension *>::iterator iter;
1.1199 -
1.1200 - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++)
1.1201 - {
1.1202 - if ((pAPI = (*iter)->GetAPI()) == NULL)
1.1203 - {
1.1204 - continue;
1.1205 - }
1.1206 - if (pAPI->GetExtensionVersion() > 3)
1.1207 - {
1.1208 - pAPI->OnCoreMapStart(pEdictList, edictCount, clientMax);
1.1209 - }
1.1210 - }
1.1211 -}
