summaryrefslogtreecommitdiff
path: root/qpid/cpp/src/qpid/Modules.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'qpid/cpp/src/qpid/Modules.cpp')
-rw-r--r--qpid/cpp/src/qpid/Modules.cpp94
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