| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| #include "config.h" |
| #include "qpid/Modules.h" |
| #include "qpid/Exception.h" |
| #include "qpid/log/Statement.h" |
| #include "qpid/sys/Shlib.h" |
| #include "qpid/sys/FileSysDir.h" |
| |
| namespace { |
| |
| // CMake sets QPID_MODULE_SUFFIX; Autoconf doesn't, so assume Linux .so |
| #ifndef QPID_MODULE_SUFFIX |
| #define QPID_MODULE_SUFFIX ".so" |
| #endif |
| |
| inline std::string& suffix() { |
| static std::string s(QPID_MODULE_SUFFIX); |
| return s; |
| } |
| |
| bool isShlibName(const std::string& name) { |
| return name.substr(name.size()-suffix().size()) == suffix(); |
| } |
| |
| } |
| |
| namespace qpid { |
| |
| ModuleOptions::ModuleOptions(const std::string& defaultModuleDir) |
| : qpid::Options("Module options"), loadDir(defaultModuleDir), noLoad(false) |
| { |
| addOptions() |
| ("module-dir", optValue(loadDir, "DIR"), "Load all shareable modules in this directory") |
| ("load-module", optValue(load, "FILE"), "Specifies additional module(s) to be loaded") |
| ("no-module-dir", optValue(noLoad), "Don't load modules from module directory"); |
| } |
| |
| void tryShlib(const std::string& libname) { |
| sys::Shlib shlib( isShlibName(libname) ? libname : (libname + suffix())); |
| } |
| |
| namespace { |
| |
| void tryOnlyShlib(const std::string& libname) throw() { |
| try { |
| if (isShlibName(libname)) sys::Shlib shlib( libname ); |
| } |
| catch (const std::exception& /*e*/) { |
| } |
| } |
| |
| } |
| |
| void loadModuleDir (std::string dirname, bool isDefault) |
| { |
| |
| sys::FileSysDir dirPath (dirname); |
| |
| bool exists; |
| try |
| { |
| exists = dirPath.exists(); |
| } catch (Exception& e) { |
| throw Exception ("Invalid value for module-dir: " + e.getMessage()); |
| } |
| if (!exists) { |
| if (isDefault) return; |
| throw Exception ("Directory not found: " + dirname); |
| } |
| |
| dirPath.forEachFile(&tryOnlyShlib); |
| } |
| |
| } // namespace qpid |