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Diffstat (limited to 'trunk/qpid/cpp/src/qpid/Modules.cpp')
-rw-r--r-- | trunk/qpid/cpp/src/qpid/Modules.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/trunk/qpid/cpp/src/qpid/Modules.cpp b/trunk/qpid/cpp/src/qpid/Modules.cpp new file mode 100644 index 0000000000..70549bd553 --- /dev/null +++ b/trunk/qpid/cpp/src/qpid/Modules.cpp @@ -0,0 +1,95 @@ +/* + * + * 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 <boost/filesystem/operations.hpp> +#include <boost/filesystem/path.hpp> + +namespace fs=boost::filesystem; + +namespace { + +// CMake sets QPID_MODULE_SUFFIX; Autoconf doesn't, so assume Linux .so +#if defined (QPID_MODULE_SUFFIX) + std::string suffix(QPID_MODULE_SUFFIX); +#else + std::string suffix(".so"); +#endif + +bool isShlibName(const std::string& name) { + return name.find (suffix) == name.length() - suffix.length(); +} + +} + +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 char* libname_, bool noThrow) { + std::string libname(libname_); + if (!isShlibName(libname)) libname += suffix; + try { + sys::Shlib shlib(libname); + QPID_LOG (info, "Loaded Module: " << libname); + } + catch (const std::exception& /*e*/) { + if (!noThrow) + throw; + } +} + +void loadModuleDir (std::string dirname, bool isDefault) +{ + fs::path dirPath (dirname, fs::native); + + if (!fs::exists (dirPath)) + { + if (isDefault) + return; + throw Exception ("Directory not found: " + dirname); + } + if (!fs::is_directory(dirPath)) + { + throw Exception ("Invalid value for module-dir: " + dirname + " is not a directory"); + } + + fs::directory_iterator endItr; + for (fs::directory_iterator itr (dirPath); itr != endItr; ++itr) + { + if (!fs::is_directory(*itr) && isShlibName(itr->string())) + tryShlib (itr->string().data(), true); + } +} + +} // namespace qpid |