diff -r 9981b8ecf935 -r 31f49899c0ae core/systems/ExtensionSys.cpp --- a/core/systems/ExtensionSys.cpp Mon Nov 24 08:25:36 2008 -0600 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1208 +0,0 @@ -/** - * vim: set ts=4 : - * ============================================================================= - * SourceMod - * Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved. - * ============================================================================= - * - * This program is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License, version 3.0, as published by the - * Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see . - * - * As a special exception, AlliedModders LLC gives you permission to link the - * code of this program (as well as its derivative works) to "Half-Life 2," the - * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software - * by the Valve Corporation. You must obey the GNU General Public License in - * all respects for all other code used. Additionally, AlliedModders LLC grants - * this exception to all derivative works. AlliedModders LLC defines further - * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007), - * or . - * - * Version: $Id$ - */ - -#include -#include "ExtensionSys.h" -#include "LibrarySys.h" -#include "ShareSys.h" -#include "Logger.h" -#include "sourcemm_api.h" -#include "sm_srvcmds.h" -#include "sm_stringutil.h" - -CExtensionManager g_Extensions; -IdentityType_t g_ExtType; - -void CExtension::Initialize(const char *filename, const char *path) -{ - m_pAPI = NULL; - m_pIdentToken = NULL; - unload_code = 0; - m_bFullyLoaded = false; - m_File.assign(filename); - m_Path.assign(path); -} - -CRemoteExtension::CRemoteExtension(IExtensionInterface *pAPI, const char *filename, const char *path) -{ - Initialize(filename, path); - m_pAPI = pAPI; -} - -CLocalExtension::CLocalExtension(const char *filename) -{ - m_PlId = 0; - m_pLib = NULL; - - char path[PLATFORM_MAX_PATH]; - - /* First see if there is an engine specific build! */ - g_SourceMod.BuildPath(Path_SM, - path, - PLATFORM_MAX_PATH, -#if defined METAMOD_PLAPI_VERSION -#if defined ORANGEBOX_BUILD - "extensions/auto.2.ep2/%s", -#else - "extensions/auto.2.ep1/%s", -#endif //ORANGEBOX_BUILD -#else //METAMOD_PLAPI_VERSION - "extensions/auto.1.ep1/%s", -#endif //METAMOD_PLAPI_VERSION - filename); - - /* Try the "normal" version */ - if (!g_LibSys.IsPathFile(path)) - { - g_SourceMod.BuildPath(Path_SM, path, PLATFORM_MAX_PATH, "extensions/%s", filename); - } - - Initialize(filename, path); -} - -bool CRemoteExtension::Load(char *error, size_t maxlength) -{ - if (!PerformAPICheck(error, maxlength)) - { - m_pAPI = NULL; - return false; - } - - if (!CExtension::Load(error, maxlength)) - { - m_pAPI = NULL; - return false; - } - - return true; -} - -bool CLocalExtension::Load(char *error, size_t maxlength) -{ - m_pLib = g_LibSys.OpenLibrary(m_Path.c_str(), error, maxlength); - - if (m_pLib == NULL) - { - return false; - } - - typedef IExtensionInterface *(*GETAPI)(); - GETAPI pfnGetAPI = NULL; - - if ((pfnGetAPI=(GETAPI)m_pLib->GetSymbolAddress("GetSMExtAPI")) == NULL) - { - m_pLib->CloseLibrary(); - m_pLib = NULL; - snprintf(error, maxlength, "Unable to find extension entry point"); - return false; - } - - m_pAPI = pfnGetAPI(); - - /* Check pointer and version */ - if (!PerformAPICheck(error, maxlength)) - { - m_pLib->CloseLibrary(); - m_pLib = NULL; - m_pAPI = NULL; - return false; - } - - /* Load as MM:S */ - if (m_pAPI->IsMetamodExtension()) - { - bool already; - m_PlId = g_pMMPlugins->Load(m_Path.c_str(), g_PLID, already, error, maxlength); - } - - if (!CExtension::Load(error, maxlength)) - { - if (m_pAPI->IsMetamodExtension()) - { - if (m_PlId) - { - char dummy[255]; - g_pMMPlugins->Unload(m_PlId, true, dummy, sizeof(dummy)); - m_PlId = 0; - } - } - m_pLib->CloseLibrary(); - m_pLib = NULL; - m_pAPI = NULL; - return false; - } - - return true; -} - -void CRemoteExtension::Unload() -{ -} - -void CLocalExtension::Unload() -{ - if (m_pAPI != NULL && m_PlId) - { - char temp_buffer[255]; - g_pMMPlugins->Unload(m_PlId, true, temp_buffer, sizeof(temp_buffer)); - m_PlId = 0; - } - - if (m_pLib != NULL) - { - m_pLib->CloseLibrary(); - m_pLib = NULL; - } -} - -bool CRemoteExtension::IsExternal() -{ - return true; -} - -bool CLocalExtension::IsExternal() -{ - return false; -} - -CExtension::~CExtension() -{ - DestroyIdentity(); -} - -bool CExtension::PerformAPICheck(char *error, size_t maxlength) -{ - if (!m_pAPI) - { - snprintf(error, maxlength, "No IExtensionInterface instance provided"); - return false; - } - - if (m_pAPI->GetExtensionVersion() > SMINTERFACE_EXTENSIONAPI_VERSION) - { - snprintf(error, maxlength, "Extension version is too new to load (%d, max is %d)", m_pAPI->GetExtensionVersion(), SMINTERFACE_EXTENSIONAPI_VERSION); - return false; - } - - return true; -} - -bool CExtension::Load(char *error, size_t maxlength) -{ - CreateIdentity(); - if (!m_pAPI->OnExtensionLoad(this, &g_ShareSys, error, maxlength, !g_SourceMod.IsMapLoading())) - { - DestroyIdentity(); - return false; - } - else - { - /* Check if we're past load time */ - if (!g_SourceMod.IsMapLoading()) - { - m_pAPI->OnExtensionsAllLoaded(); - } - } - - return true; -} - -void CExtension::CreateIdentity() -{ - if (m_pIdentToken != NULL) - { - return; - } - - m_pIdentToken = g_ShareSys.CreateIdentity(g_ExtType, this); -} - -void CExtension::DestroyIdentity() -{ - if (m_pIdentToken == NULL) - { - return; - } - - g_ShareSys.DestroyIdentity(m_pIdentToken); - m_pIdentToken = NULL; -} - -void CExtension::MarkAllLoaded() -{ - assert(m_bFullyLoaded == false); - if (!m_bFullyLoaded) - { - m_bFullyLoaded = true; - m_pAPI->OnExtensionsAllLoaded(); - } -} - -void CExtension::AddPlugin(CPlugin *pPlugin) -{ - /* Unfortunately we have to do this :( */ - if (m_Dependents.find(pPlugin) != m_Dependents.end()) - { - m_Dependents.push_back(pPlugin); - } -} - -void CExtension::SetError(const char *error) -{ - m_Error.assign(error); -} - -IExtensionInterface *CExtension::GetAPI() -{ - return m_pAPI; -} - -const char *CExtension::GetFilename() -{ - return m_File.c_str(); -} - -IdentityToken_t *CExtension::GetIdentity() -{ - return m_pIdentToken; -} - -bool CRemoteExtension::IsLoaded() -{ - return (m_pAPI != NULL); -} - -bool CLocalExtension::IsLoaded() -{ - return (m_pLib != NULL); -} - -void CExtension::AddDependency(const IfaceInfo *pInfo) -{ - if (m_Deps.find(*pInfo) == m_Deps.end()) - { - m_Deps.push_back(*pInfo); - } -} - -bool operator ==(const IfaceInfo &i1, const IfaceInfo &i2) -{ - return (i1.iface == i2.iface) && (i1.owner == i2.owner); -} - -void CExtension::AddChildDependent(CExtension *pOther, SMInterface *iface) -{ - IfaceInfo info; - info.iface = iface; - info.owner = pOther; - - List::iterator iter; - for (iter = m_ChildDeps.begin(); - iter != m_ChildDeps.end(); - iter++) - { - IfaceInfo &other = (*iter); - if (other == info) - { - return; - } - } - - m_ChildDeps.push_back(info); -} - -ITERATOR *CExtension::FindFirstDependency(IExtension **pOwner, SMInterface **pInterface) -{ - List::iterator iter = m_Deps.begin(); - - if (iter == m_Deps.end()) - { - return NULL; - } - - if (pOwner) - { - *pOwner = (*iter).owner; - } - if (pInterface) - { - *pInterface = (*iter).iface; - } - - List::iterator *pIter = new List::iterator(iter); - - return (ITERATOR *)pIter; -} - -bool CExtension::FindNextDependency(ITERATOR *iter, IExtension **pOwner, SMInterface **pInterface) -{ - List::iterator *pIter = (List::iterator *)iter; - List::iterator _iter; - - if (_iter == m_Deps.end()) - { - return false; - } - - _iter++; - - if (pOwner) - { - *pOwner = (*_iter).owner; - } - if (pInterface) - { - *pInterface = (*_iter).iface; - } - - *pIter = _iter; - - if (_iter == m_Deps.end()) - { - return false; - } - - return true; -} - -void CExtension::FreeDependencyIterator(ITERATOR *iter) -{ - List::iterator *pIter = (List::iterator *)iter; - - delete pIter; -} - -void CExtension::AddInterface(SMInterface *pInterface) -{ - m_Interfaces.push_back(pInterface); -} - -bool CExtension::IsRunning(char *error, size_t maxlength) -{ - if (!IsLoaded()) - { - if (error) - { - snprintf(error, maxlength, "%s", m_Error.c_str()); - } - return false; - } - - return m_pAPI->QueryRunning(error, maxlength); -} - -void CExtension::AddLibrary(const char *library) -{ - m_Libraries.push_back(library); -} - -/********************* - * EXTENSION MANAGER * - *********************/ - -void CExtensionManager::OnSourceModAllInitialized() -{ - g_ExtType = g_ShareSys.CreateIdentType("EXTENSION"); - g_PluginSys.AddPluginsListener(this); - g_RootMenu.AddRootConsoleCommand("exts", "Manage extensions", this); - g_ShareSys.AddInterface(NULL, this); -} - -void CExtensionManager::OnSourceModShutdown() -{ - g_RootMenu.RemoveRootConsoleCommand("exts", this); - g_ShareSys.DestroyIdentType(g_ExtType); -} - -void CExtensionManager::Shutdown() -{ - List::iterator iter; - - while ((iter = m_Libs.begin()) != m_Libs.end()) - { - UnloadExtension((*iter)); - } -} - -void CExtensionManager::TryAutoload() -{ - char path[PLATFORM_MAX_PATH]; - - g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "extensions"); - - IDirectory *pDir = g_LibSys.OpenDirectory(path); - if (!pDir) - { - return; - } - - const char *lfile; - size_t len; - while (pDir->MoreFiles()) - { - if (pDir->IsEntryDirectory()) - { - pDir->NextEntry(); - continue; - } - - lfile = pDir->GetEntryName(); - len = strlen(lfile); - if (len <= 9) /* size of ".autoload" */ - { - pDir->NextEntry(); - continue; - } - - if (strcmp(&lfile[len - 9], ".autoload") != 0) - { - pDir->NextEntry(); - continue; - } - - char file[PLATFORM_MAX_PATH]; - len = UTIL_Format(file, sizeof(file), "%s", lfile); - strcpy(&file[len - 9], ".ext." PLATFORM_LIB_EXT); - - LoadAutoExtension(file); - - pDir->NextEntry(); - } -} - -IExtension *CExtensionManager::LoadAutoExtension(const char *path) -{ - if (!strstr(path, "." PLATFORM_LIB_EXT)) - { - char newpath[PLATFORM_MAX_PATH]; - g_LibSys.PathFormat(newpath, sizeof(newpath), "%s.%s", path, PLATFORM_LIB_EXT); - return LoadAutoExtension(newpath); - } - - IExtension *pAlready; - if ((pAlready=FindExtensionByFile(path)) != NULL) - { - return pAlready; - } - - char error[256]; - CExtension *p = new CLocalExtension(path); - - /* We put us in the list beforehand so extensions that check for each other - * won't recursively load each other. - */ - m_Libs.push_back(p); - - if (!p->Load(error, sizeof(error)) || !p->IsLoaded()) - { - g_Logger.LogError("[SM] Unable to load extension \"%s\": %s", path, error); - p->SetError(error); - } - - return p; -} - -IExtension *CExtensionManager::FindExtensionByFile(const char *file) -{ - List::iterator iter; - CExtension *pExt; - - /* Chomp off the path */ - char lookup[PLATFORM_MAX_PATH]; - g_LibSys.GetFileFromPath(lookup, sizeof(lookup), file); - - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++) - { - pExt = (*iter); - char short_file[PLATFORM_MAX_PATH]; - g_LibSys.GetFileFromPath(short_file, sizeof(short_file), pExt->GetFilename()); - if (strcmp(lookup, short_file) == 0) - { - return pExt; - } - } - - /* If we got no results, test if there was a platform extension. - * If not, add one. - */ - if (!strstr(file, "." PLATFORM_LIB_EXT)) - { - char path[PLATFORM_MAX_PATH]; - UTIL_Format(path, sizeof(path), "%s.%s", file, PLATFORM_LIB_EXT); - return FindExtensionByFile(path); - } - - return NULL; -} - -IExtension *CExtensionManager::FindExtensionByName(const char *ext) -{ - List::iterator iter; - CExtension *pExt; - IExtensionInterface *pAPI; - const char *name; - - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++) - { - pExt = (*iter); - if (!pExt->IsLoaded()) - { - continue; - } - if ((pAPI = pExt->GetAPI()) == NULL) - { - continue; - } - name = pAPI->GetExtensionName(); - if (!name) - { - continue; - } - if (strcmp(name, ext) == 0) - { - return pExt; - } - } - - return NULL; -} - -IExtension *CExtensionManager::LoadExtension(const char *file, char *error, size_t maxlength) -{ - IExtension *pAlready; - if ((pAlready=FindExtensionByFile(file)) != NULL) - { - return pAlready; - } - - CExtension *pExt = new CLocalExtension(file); - - if (!pExt->Load(error, maxlength) || !pExt->IsLoaded()) - { - pExt->Unload(); - delete pExt; - return NULL; - } - - /* :TODO: do QueryRunning check if the map is loaded */ - - m_Libs.push_back(pExt); - - return pExt; -} - -void CExtensionManager::BindDependency(IExtension *pRequester, IfaceInfo *pInfo) -{ - CExtension *pExt = (CExtension *)pRequester; - CExtension *pOwner = (CExtension *)pInfo->owner; - - pExt->AddDependency(pInfo); - - IExtensionInterface *pAPI = pExt->GetAPI(); - if (pAPI && !pAPI->QueryInterfaceDrop(pInfo->iface)) - { - pOwner->AddChildDependent(pExt, pInfo->iface); - } -} - -void CExtensionManager::AddRawDependency(IExtension *ext, IdentityToken_t *other, void *iface) -{ - CExtension *pExt = (CExtension *)ext; - CExtension *pOwner = GetExtensionFromIdent(other); - - IfaceInfo info; - - info.iface = (SMInterface *)iface; - info.owner = pOwner; - - pExt->AddDependency(&info); - pOwner->AddChildDependent(pExt, (SMInterface *)iface); -} - -void CExtensionManager::AddInterface(IExtension *pOwner, SMInterface *pInterface) -{ - CExtension *pExt = (CExtension *)pOwner; - - pExt->AddInterface(pInterface); -} - -void CExtensionManager::BindChildPlugin( IExtension *pParent, CPlugin *pPlugin ) -{ - CExtension *pExt = (CExtension *)pParent; - - pExt->AddPlugin(pPlugin); -} - -void CExtensionManager::OnPluginDestroyed(IPlugin *plugin) -{ - List::iterator iter; - - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++) - { - (*iter)->DropRefsTo((CPlugin *)plugin); - } -} - -CExtension *CExtensionManager::FindByOrder(unsigned int num) -{ - if (num < 1 || num > m_Libs.size()) - { - return NULL; - } - - List::iterator iter = m_Libs.begin(); - - while (iter != m_Libs.end()) - { - if (--num == 0) - { - return (*iter); - } - iter++; - } - - return NULL; -} - -bool CExtensionManager::UnloadExtension(IExtension *_pExt) -{ - if (!_pExt) - { - return false; - } - - CExtension *pExt = (CExtension *)_pExt; - - if (m_Libs.find(pExt) == m_Libs.end()) - { - return false; - } - - /* First remove us from internal lists */ - g_ShareSys.RemoveInterfaces(_pExt); - m_Libs.remove(pExt); - - List UnloadQueue; - - /* Handle dependencies */ - if (pExt->IsLoaded()) - { - /* Unload any dependent plugins */ - List::iterator p_iter = pExt->m_Dependents.begin(); - while (p_iter != pExt->m_Dependents.end()) - { - /* We have to manually unlink ourselves here, since we're no longer being managed */ - g_PluginSys.UnloadPlugin((*p_iter)); - p_iter = pExt->m_Dependents.erase(p_iter); - } - - List::iterator s_iter; - for (s_iter = pExt->m_Libraries.begin(); - s_iter != pExt->m_Libraries.end(); - s_iter++) - { - g_PluginSys.OnLibraryAction((*s_iter).c_str(), false, true); - } - - /* Notify and/or unload all dependencies */ - List::iterator c_iter; - CExtension *pDep; - IExtensionInterface *pAPI; - for (c_iter = m_Libs.begin(); c_iter != m_Libs.end(); c_iter++) - { - pDep = (*c_iter); - if ((pAPI=pDep->GetAPI()) == NULL) - { - continue; - } - if (pDep == pExt) - { - continue; - } - /* Now, get its dependency list */ - bool dropped = false; - List::iterator i_iter = pDep->m_Deps.begin(); - while (i_iter != pDep->m_Deps.end()) - { - if ((*i_iter).owner == _pExt) - { - if (!pAPI->QueryInterfaceDrop((*i_iter).iface)) - { - if (!dropped) - { - dropped = true; - UnloadQueue.push_back(pDep); - } - } - pAPI->NotifyInterfaceDrop((*i_iter).iface); - i_iter = pDep->m_Deps.erase(i_iter); - } - else - { - i_iter++; - } - } - /* Flush out any back references to this plugin */ - i_iter = pDep->m_ChildDeps.begin(); - while (i_iter != pDep->m_ChildDeps.end()) - { - if ((*i_iter).owner == pExt) - { - i_iter = pDep->m_ChildDeps.erase(i_iter); - } - else - { - i_iter++; - } - } - } - - /* Unbind our natives from Core */ - pExt->DropEverything(); - } - - IdentityToken_t *pIdentity; - if ((pIdentity = pExt->GetIdentity()) != NULL) - { - SMGlobalClass *glob = SMGlobalClass::head; - while (glob) - { - glob->OnSourceModIdentityDropped(pIdentity); - glob = glob->m_pGlobalClassNext; - } - } - - /* Tell it to unload */ - if (pExt->IsLoaded()) - { - IExtensionInterface *pAPI = pExt->GetAPI(); - pAPI->OnExtensionUnload(); - } - - pExt->Unload(); - delete pExt; - - List::iterator iter; - for (iter=UnloadQueue.begin(); iter!=UnloadQueue.end(); iter++) - { - /* NOTE: This is safe because the unload function backs out of anything not present */ - UnloadExtension((*iter)); - } - - return true; -} - -void CExtensionManager::MarkAllLoaded() -{ - List::iterator iter; - CExtension *pExt; - - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++) - { - pExt = (*iter); - if (!pExt->IsLoaded()) - { - continue; - } - if (pExt->m_bFullyLoaded) - { - continue; - } - pExt->MarkAllLoaded(); - } -} - -void CExtensionManager::AddDependency(IExtension *pSource, const char *file, bool required, bool autoload) -{ - /* This function doesn't really need to do anything now. We make sure the - * other extension is loaded, but handling of dependencies is really done - * by the interface fetcher. - */ - if (required || autoload) - { - LoadAutoExtension(file); - } -} - -void CExtensionManager::OnRootConsoleCommand(const char *cmdname, const CCommand &command) -{ - int argcount = command.ArgC(); - if (argcount >= 3) - { - const char *cmd = command.Arg(2); - if (strcmp(cmd, "list") == 0) - { - List::iterator iter; - CExtension *pExt; - unsigned int num = 1; - switch (m_Libs.size()) - { - case 1: - { - g_RootMenu.ConsolePrint("[SM] Displaying 1 extension:"); - break; - } - case 0: - { - g_RootMenu.ConsolePrint("[SM] No extensions are loaded."); - break; - } - default: - { - g_RootMenu.ConsolePrint("[SM] Displaying %d extensions:", m_Libs.size()); - break; - } - } - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++,num++) - { - pExt = (*iter); - if (pExt->IsLoaded()) - { - char error[255]; - if (!pExt->IsRunning(error, sizeof(error))) - { - g_RootMenu.ConsolePrint("[%02d] file \"%s\": %s", num, pExt->GetFilename(), error); - } - else - { - IExtensionInterface *pAPI = pExt->GetAPI(); - const char *name = pAPI->GetExtensionName(); - const char *version = pAPI->GetExtensionVerString(); - const char *descr = pAPI->GetExtensionDescription(); - g_RootMenu.ConsolePrint("[%02d] %s (%s): %s", num, name, version, descr); - } - } else { - g_RootMenu.ConsolePrint("[%02d] file \"%s\": %s", num, pExt->GetFilename(), pExt->m_Error.c_str()); - } - } - return; - } - else if (strcmp(cmd, "info") == 0) - { - if (argcount < 4) - { - g_RootMenu.ConsolePrint("[SM] Usage: sm info <#>"); - return; - } - - const char *sId = command.Arg(3); - unsigned int id = atoi(sId); - if (id <= 0) - { - g_RootMenu.ConsolePrint("[SM] Usage: sm info <#>"); - return; - } - - if (m_Libs.size() == 0) - { - g_RootMenu.ConsolePrint("[SM] No extensions are loaded."); - return; - } - - if (id > m_Libs.size()) - { - g_RootMenu.ConsolePrint("[SM] No extension was found with id %d.", id); - return; - } - - List::iterator iter = m_Libs.begin(); - CExtension *pExt = NULL; - while (iter != m_Libs.end()) - { - if (--id == 0) - { - pExt = (*iter); - break; - } - iter++; - } - /* This should never happen */ - if (!pExt) - { - g_RootMenu.ConsolePrint("[SM] No extension was found with id %d.", id); - return; - } - - if (!pExt->IsLoaded()) - { - g_RootMenu.ConsolePrint(" File: %s", pExt->GetFilename()); - g_RootMenu.ConsolePrint(" Loaded: No (%s)", pExt->m_Error.c_str()); - } - else - { - char error[255]; - if (!pExt->IsRunning(error, sizeof(error))) - { - g_RootMenu.ConsolePrint(" File: %s", pExt->GetFilename()); - g_RootMenu.ConsolePrint(" Loaded: Yes"); - g_RootMenu.ConsolePrint(" Running: No (%s)", error); - } - else - { - IExtensionInterface *pAPI = pExt->GetAPI(); - g_RootMenu.ConsolePrint(" File: %s", pExt->GetFilename()); - g_RootMenu.ConsolePrint(" Loaded: Yes (version %s)", pAPI->GetExtensionVerString()); - g_RootMenu.ConsolePrint(" Name: %s (%s)", pAPI->GetExtensionName(), pAPI->GetExtensionDescription()); - g_RootMenu.ConsolePrint(" Author: %s (%s)", pAPI->GetExtensionAuthor(), pAPI->GetExtensionURL()); - g_RootMenu.ConsolePrint(" Binary info: API version %d (compiled %s)", pAPI->GetExtensionVersion(), pAPI->GetExtensionDateString()); - - if (pExt->IsExternal()) - { - g_RootMenu.ConsolePrint(" Method: Loaded by Metamod:Source, attached to SourceMod"); - } - else if (pAPI->IsMetamodExtension()) - { - g_RootMenu.ConsolePrint(" Method: Loaded by SourceMod, attached to Metamod:Source"); - } - else - { - g_RootMenu.ConsolePrint(" Method: Loaded by SourceMod"); - } - } - } - return; - } - else if (strcmp(cmd, "unload") == 0) - { - if (argcount < 4) - { - g_RootMenu.ConsolePrint("[SM] Usage: sm unload <#> [code]"); - return; - } - - const char *arg = command.Arg(3); - unsigned int num = atoi(arg); - CExtension *pExt = FindByOrder(num); - - if (!pExt) - { - g_RootMenu.ConsolePrint("[SM] Extension number %d was not found.", num); - return; - } - - if (argcount > 4 && pExt->unload_code) - { - const char *unload = command.Arg(4); - if (pExt->unload_code == (unsigned)atoi(unload)) - { - char filename[PLATFORM_MAX_PATH]; - snprintf(filename, PLATFORM_MAX_PATH, "%s", pExt->GetFilename()); - UnloadExtension(pExt); - g_RootMenu.ConsolePrint("[SM] Extension %s is now unloaded.", filename); - } - else - { - g_RootMenu.ConsolePrint("[SM] Please try again, the correct unload code is \"%d\"", pExt->unload_code); - } - return; - } - - if (!pExt->IsLoaded() - || (!pExt->m_ChildDeps.size() && !pExt->m_Dependents.size())) - { - char filename[PLATFORM_MAX_PATH]; - snprintf(filename, PLATFORM_MAX_PATH, "%s", pExt->GetFilename()); - UnloadExtension(pExt); - g_RootMenu.ConsolePrint("[SM] Extension %s is now unloaded.", filename); - return; - } - else - { - List plugins; - if (pExt->m_ChildDeps.size()) - { - g_RootMenu.ConsolePrint("[SM] Unloading %s will unload the following extensions: ", pExt->GetFilename()); - List::iterator iter; - CExtension *pOther; - /* Get list of all extensions */ - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++) - { - List::iterator i_iter; - pOther = (*iter); - if (!pOther->IsLoaded() || pOther == pExt) - { - continue; - } - /* Get their dependencies */ - for (i_iter=pOther->m_Deps.begin(); - i_iter!=pOther->m_Deps.end(); - i_iter++) - { - /* Is this dependency to us? */ - if ((*i_iter).owner != pExt) - { - continue; - } - /* Will our dependent care? */ - if (!pExt->GetAPI()->QueryInterfaceDrop((*i_iter).iface)) - { - g_RootMenu.ConsolePrint(" -> %s", pExt->GetFilename()); - /* Add to plugin unload list */ - List::iterator p_iter; - for (p_iter=pOther->m_Dependents.begin(); - p_iter!=pOther->m_Dependents.end(); - p_iter++) - { - if (plugins.find((*p_iter)) == plugins.end()) - { - plugins.push_back((*p_iter)); - } - } - } - } - } - } - if (pExt->m_Dependents.size()) - { - g_RootMenu.ConsolePrint("[SM] Unloading %s will unload the following plugins: ", pExt->GetFilename()); - List::iterator iter; - CPlugin *pPlugin; - for (iter = pExt->m_Dependents.begin(); iter != pExt->m_Dependents.end(); iter++) - { - pPlugin = (*iter); - if (plugins.find(pPlugin) == plugins.end()) - { - plugins.push_back(pPlugin); - } - } - for (iter = plugins.begin(); iter != plugins.end(); iter++) - { - pPlugin = (*iter); - g_RootMenu.ConsolePrint(" -> %s", pPlugin->GetFilename()); - } - } - srand(static_cast(time(NULL))); - pExt->unload_code = (rand() % 877) + 123; //123 to 999 - g_RootMenu.ConsolePrint("[SM] To verify unloading %s, please use the following: ", pExt->GetFilename()); - g_RootMenu.ConsolePrint("[SM] sm exts unload %d %d", num, pExt->unload_code); - - return; - } - } - } - - g_RootMenu.ConsolePrint("SourceMod Extensions Menu:"); - g_RootMenu.DrawGenericOption("info", "Extra extension information"); - g_RootMenu.DrawGenericOption("list", "List extensions"); - g_RootMenu.DrawGenericOption("unload", "Unload an extension"); -} - -CExtension *CExtensionManager::GetExtensionFromIdent(IdentityToken_t *ptr) -{ - if (ptr->type == g_ExtType) - { - return (CExtension *)(ptr->ptr); - } - - return NULL; -} - -CExtensionManager::CExtensionManager() -{ -} - -CExtensionManager::~CExtensionManager() -{ -} - -void CExtensionManager::AddLibrary(IExtension *pSource, const char *library) -{ - CExtension *pExt = (CExtension *)pSource; - pExt->AddLibrary(library); - g_PluginSys.OnLibraryAction(library, false, false); -} - -bool CExtensionManager::LibraryExists(const char *library) -{ - CExtension *pExt; - - for (List::iterator iter = m_Libs.begin(); - iter != m_Libs.end(); - iter++) - { - pExt = (*iter); - for (List::iterator s_iter = pExt->m_Libraries.begin(); - s_iter != pExt->m_Libraries.end(); - s_iter++) - { - if ((*s_iter).compare(library) == 0) - { - return true; - } - } - } - - return false; -} - -IExtension *CExtensionManager::LoadExternal(IExtensionInterface *pInterface, - const char *filepath, - const char *filename, - char *error, - size_t maxlength) -{ - IExtension *pAlready; - if ((pAlready=FindExtensionByFile(filename)) != NULL) - { - return pAlready; - } - - CExtension *pExt = new CRemoteExtension(pInterface, filename, filepath); - - if (!pExt->Load(error, maxlength) || !pExt->IsLoaded()) - { - pExt->Unload(); - delete pExt; - return NULL; - } - - m_Libs.push_back(pExt); - - return pExt; -} - -void CExtensionManager::CallOnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax) -{ - IExtensionInterface *pAPI; - List::iterator iter; - - for (iter=m_Libs.begin(); iter!=m_Libs.end(); iter++) - { - if ((pAPI = (*iter)->GetAPI()) == NULL) - { - continue; - } - if (pAPI->GetExtensionVersion() > 3) - { - pAPI->OnCoreMapStart(pEdictList, edictCount, clientMax); - } - } -}