45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/*
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* LoadPlugin.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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// Specialized TLS plugin library
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extern "C" void *get_tls_plugin(const char *plugin_type_name_and_version);
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// Name of specialized TLS Plugin
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extern const char* tlsPluginName;
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template <class T>
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Reference<T> loadPlugin( std::string const& plugin_name ) {
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void *(*get_plugin)(const char*) = NULL;
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#ifndef TLS_DISABLED
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if (!plugin_name.compare(tlsPluginName)) {
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get_plugin = (void*(*)(const char*)) get_tls_plugin;
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}
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else
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#endif
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{
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void* plugin = loadLibrary( plugin_name.c_str() );
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if (plugin)
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get_plugin = (void*(*)(const char*))loadFunction( plugin, "get_plugin" );
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}
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return (get_plugin) ? Reference<T>( (T*)get_plugin( T::get_plugin_type_name_and_version() ) ) : Reference<T>( NULL );
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}
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