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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/util/sync.h>
#include <vespa/vespalib/stllike/string.h>
#include <vespa/fastos/dynamiclibrary.h>
#include <map>
namespace vespalib {
class LibraryPool
{
public:
LibraryPool();
~LibraryPool();
/**
* This will load the library with the name given.
* - It will verify linkage at load time.
* - Symbols will be private.
* @param name The name of the library to load. That is without the 'lib' prefix and the '.so' extension.
* @throws IllegalArgumentException if there are any errors.
*/
void loadLibrary(const vespalib::stringref & name);
/**
* Will return the library requested. NULL if not found.
* @param name The name of the library as given in the @ref loadLibrary call.
* @return The library that has already been loaded. NULL if not found.
*/
FastOS_DynamicLibrary *get(const vespalib::stringref & name);
const FastOS_DynamicLibrary *get(const vespalib::stringref & name) const;
private:
typedef std::shared_ptr<FastOS_DynamicLibrary> DynamicLibrarySP;
typedef std::map<vespalib::string, DynamicLibrarySP> LibraryMap;
LibraryMap _libraries;
Lock _lock;
};
}
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