diff options
Diffstat (limited to 'sca-cpp/tags/cpp-stable-20060304/sca/runtime/core/src/tuscany/sca/util/Library.cpp')
-rw-r--r-- | sca-cpp/tags/cpp-stable-20060304/sca/runtime/core/src/tuscany/sca/util/Library.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-stable-20060304/sca/runtime/core/src/tuscany/sca/util/Library.cpp b/sca-cpp/tags/cpp-stable-20060304/sca/runtime/core/src/tuscany/sca/util/Library.cpp new file mode 100644 index 0000000000..452d185dcd --- /dev/null +++ b/sca-cpp/tags/cpp-stable-20060304/sca/runtime/core/src/tuscany/sca/util/Library.cpp @@ -0,0 +1,119 @@ +/* + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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. + */ + +/* $Rev$ $Date: 2005/12/22 11:33:21 $ */ + +#include "tuscany/sca/util/Library.h" +#include "tuscany/sca/util/Utils.h" +#include "tuscany/sca/util/Exceptions.h" +#include "tuscany/sca/util/Logging.h" +using namespace osoa::sca; + +namespace tuscany +{ + namespace sca + { + Library::Library() + : hDLL(NULL) + { + } + + Library::Library(const string& libraryName) + : name(libraryName), hDLL(NULL) + { + LOGINFO_1(3, "Library::construcor : %s", name.c_str()); + load(); + } + + Library::Library(const Library& lib) + : name(lib.name), hDLL(NULL) + { + LOGINFO_1(3, "Library::copy constructor : %s", name.c_str()); + if (lib.hDLL) + { + load(); + } + } + + Library& Library::operator=(const Library& lib) + { + LOGINFO_1(3, "Library::operator= : %s", name.c_str()); + if (&lib != this) + { + unload(); + name = lib.name; + load(); + } + return *this; + } + + Library::~Library() + { + LOGINFO_1(3, "Library::destructor: %s", name.c_str()); + unload(); + } + + + void Library::load() + { + LOGINFO_1(3, "Library::load : %s", name.c_str()); + string msg; +#if defined(WIN32) || defined (_WINDOWS) + hDLL = LoadLibrary(name.c_str()); +#else + hDLL = dlopen(name.c_str(), RTLD_NOW); +#endif + if (hDLL == NULL) + { + LOGERROR_1(1, "Library::load: Unable to load library %s", name.c_str()); + msg = "Unable to load dll: " + name; + throw ServiceRuntimeException(msg.c_str()); + } + } + + void Library::unload() + { + if (hDLL != NULL) + { + LOGINFO_1(3, "Library::unload : %s", name.c_str()); +#if defined(WIN32) || defined (_WINDOWS) + FreeLibrary(hDLL); +#else + dlclose(hDLL); +#endif + hDLL = NULL; + } + } + + void* Library::getSymbol(const string& symbol) + { + LOGINFO_1(3, "Library::getSymbol : %s", symbol.c_str()); + if (!hDLL) + { + return 0; + } +#if defined(WIN32) || defined (_WINDOWS) + return GetProcAddress(hDLL, symbol.c_str()); +#else + return dlsym(hDLL, symbol.c_str()); +#endif + } + + } // End namespace sca +} // End namespace tuscany + + |