foundationdb/fdbrpc/LoadPlugin.h

33 lines
1.1 KiB
C++

/*
* LoadPlugin.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* 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.
*/
#pragma once
template <class T>
Reference<T> loadPlugin( std::string const& plugin_name ) {
void* plugin = loadLibrary( plugin_name.c_str() );
void *(*get_plugin)(const char*) = (void*(*)(const char*))loadFunction( plugin, "get_plugin" );
if ( get_plugin )
return Reference<T>( (T*)get_plugin( T::get_plugin_type_name_and_version() ) );
else
return Reference<T>( NULL );
}