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FairMQ: Integration of Plugins through PluginServices

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This commit is contained in:
Dennis Klein
2017-06-26 15:08:26 +02:00
committed by Mohammad Al-Turany
parent 60d929b0bd
commit 9b61b924b2
26 changed files with 244 additions and 701 deletions
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18
fairmq/PluginManager.h
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@@ -10,7 +10,9 @@
#define FAIR_MQ_PLUGINMANAGER_H
#include <fairmq/Plugin.h>
#include <fairmq/PluginServices.h>
#include <fairmq/Tools.h>
#include <FairMQDevice.h>
#define BOOST_FILESYSTEM_VERSION 3
#define BOOST_FILESYSTEM_NO_DEPRECATED
#include <boost/filesystem.hpp>
@@ -38,15 +40,15 @@ namespace mq
* @brief manages and owns plugin instances
*
* The plugin manager is responsible for the whole plugin lifecycle. It
* facilitates three plugin mechanisms:
* A static (built-in) plugins
* facilitates two plugin mechanisms:
* A prelinked dynamic plugins (shared libraries)
* B dynamic plugins (shared libraries)
*/
class PluginManager
{
public:
using PluginFactory = std::shared_ptr<fair::mq::Plugin>();
using PluginFactory = std::shared_ptr<fair::mq::Plugin>(PluginServices&);
using PluginProgOptions = const boost::optional<boost::program_options::options_description>();
PluginManager();
@@ -60,8 +62,10 @@ class PluginManager
auto LoadPlugin(const std::string& pluginName) -> void;
auto LoadPlugins(const std::vector<std::string>& pluginNames) -> void { for(const auto& pluginName : pluginNames) { LoadPlugin(pluginName); } }
struct PluginLoadError : std::runtime_error { using std::runtime_error::runtime_error; };
auto InstantiatePlugins() -> void;
struct PluginInstantiationError : std::runtime_error { using std::runtime_error::runtime_error; };
static auto ProgramOptions() -> const boost::optional<boost::program_options::options_description>;
static auto ProgramOptions() -> const boost::program_options::options_description;
static auto MakeFromCommandLineOptions(const std::vector<std::string>) -> std::shared_ptr<PluginManager>;
struct ProgramOptionsParseError : std::runtime_error { using std::runtime_error::runtime_error; };
@@ -70,11 +74,14 @@ class PluginManager
auto ForEachPlugin(std::function<void (Plugin&)> func) -> void { for(const auto& p : fPluginOrder) { func(*fPlugins[p]); } }
auto ForEachPluginProgOptions(std::function<void (const boost::program_options::options_description&)> func) const -> void { for(const auto& pair : fPluginProgOptions) { func(pair.second); } }
template<typename... Args>
auto EmplacePluginServices(Args&&... args) -> void { fPluginServices = fair::mq::tools::make_unique<PluginServices>(std::forward<Args>(args)...); };
private:
static auto ValidateSearchPath(const boost::filesystem::path&) -> void;
auto LoadPluginStatic(const std::string& pluginName) -> void;
auto LoadPluginPrelinkedDynamic(const std::string& pluginName) -> void;
auto LoadPluginDynamic(const std::string& pluginName) -> void;
template<typename... Args>
auto LoadSymbols(const std::string& pluginName, Args&&... args) -> void
@@ -107,6 +114,7 @@ class PluginManager
std::map<std::string, std::shared_ptr<Plugin>> fPlugins;
std::vector<std::string> fPluginOrder;
std::map<std::string, boost::program_options::options_description> fPluginProgOptions;
std::unique_ptr<PluginServices> fPluginServices;
}; /* class PluginManager */