diff options
Diffstat (limited to 'qpid/cpp/src/qpid/Modules.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/Modules.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/Modules.cpp b/qpid/cpp/src/qpid/Modules.cpp new file mode 100644 index 0000000000..049ededaa7 --- /dev/null +++ b/qpid/cpp/src/qpid/Modules.cpp @@ -0,0 +1,94 @@ +/* + * + * 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 |