X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fdynamic.cpp;h=f2acdd51c6c11736ca62f42bf8bc53a85b4b64b6;hb=4cc992f6c20354eef88b7652f268591daccb1b20;hp=e9cddcbbf91ac46020f2bb3b0bc561284315a983;hpb=73b9d0c5cb02f0ea8350de28bc3687e0af70ea0f;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/dynamic.cpp b/src/dynamic.cpp index e9cddcbbf..f2acdd51c 100644 --- a/src/dynamic.cpp +++ b/src/dynamic.cpp @@ -1,70 +1,100 @@ -#include "globals.h" -#include -#include "dynamic.h" +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007 Oliver Lupton + * Copyright (C) 2007 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2003, 2006 Craig Edwards + * + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * 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 . + */ + +#include "inspircd.h" +#ifndef _WIN32 +#include +#else +#define dlopen(path, state) (void*)LoadLibraryA(path) +#define dlsym(handle, export) (void*)GetProcAddress((HMODULE)handle, export) +#define dlclose(handle) FreeLibrary((HMODULE)handle) +#endif -DLLManager::DLLManager( const char *fname ) +DLLManager::DLLManager(const char *fname) { - // Try to open the library now and get any error message. - - h=dlopen( fname, RTLD_NOW ); - err=dlerror(); + if (!strstr(fname,".so")) + { + err = "This doesn't look like a module file to me..."; + h = NULL; + return; + } + + h = dlopen(fname, RTLD_NOW|RTLD_LOCAL); + if (!h) + { + RetrieveLastError(); + } } DLLManager::~DLLManager() { - // close the library if it isn't null - if( h!=0 ) - dlclose(h); + /* close the library */ + if (h) + dlclose(h); } - -bool DLLManager::GetSymbol( - void **v, - const char *sym_name - ) +Module* DLLManager::CallInit() { - // try extract a symbol from the library - // get any error message is there is any - - if( h!=0 ) + union { - *v = dlsym( h, sym_name ); - err=dlerror(); - if( err==0 ) - return true; - else - return false; - } - else - { - return false; - } - -} + void* vptr; + Module* (*fptr)(); + }; + vptr = GetSymbol(MODULE_INIT_STR); + if (!vptr) + return NULL; -DLLFactoryBase::DLLFactoryBase( - const char *fname, - const char *factory=0 - ) : DLLManager(fname) -{ - // try get the factory function if there is no error yet - - factory_func=0; - - if( LastError()==0 ) - { - GetSymbol( (void **)&factory_func, factory ? factory : "init_module" ); - } - + return (*fptr)(); } - -DLLFactoryBase::~DLLFactoryBase() +void* DLLManager::GetSymbol(const char* name) { + return h ? dlsym(h, name) : NULL; } +std::string DLLManager::GetVersion() +{ + const char* srcver = static_cast(GetSymbol("inspircd_src_version")); + return srcver ? srcver : ""; +} +void DLLManager::RetrieveLastError() +{ +#if defined _WIN32 + char errmsg[500]; + DWORD dwErrorCode = GetLastError(); + if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)errmsg, _countof(errmsg), NULL) == 0) + sprintf_s(errmsg, _countof(errmsg), "Error code: %u", dwErrorCode); + SetLastError(ERROR_SUCCESS); + err = errmsg; +#else + const char* errmsg = dlerror(); + err = errmsg ? errmsg : "Unknown error"; +#endif + std::string::size_type p; + while ((p = err.find_last_of("\r\n")) != std::string::npos) + err.erase(p, 1); +}