93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
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#ifndef MESSAGEMANAGER_H
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#define MESSAGEMANAGER_H
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#include <functional>
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#include <queue>
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#include <string>
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#include <string_view>
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#include <thread>
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#include <type_traits>
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#include <unordered_map>
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#ifdef ANDROID
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#include <boost/any.hpp>
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#else
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#include <any>
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#endif
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class MessageManager {
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#ifdef ANDROID
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using ParamEntry = boost::any;
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using BadEntryCast = boost::bad_any_cast;
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#else
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using ParamEntry = std::any;
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using BadEntryCast = std::bad_any_cast;
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#endif
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using AsyncParam = std::pair<std::string, ParamEntry>;
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using Executor = std::function<bool(const ParamEntry &)>;
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public:
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template <typename... Args>
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class Message {
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public:
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explicit constexpr Message(const char *topic) : topic(topic) {
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}
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std::string_view topic;
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};
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MessageManager();
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~MessageManager();
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/**
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* @brief std::bind() is not recommended,recommended to use lambda. if you must use std::bind(),do not use
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* placeholders!
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*
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* @tparam Function
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* @param topic
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* @param f
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*/
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template <typename Function>
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void registerTopic(const std::string_view &topic, Function &&f);
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template <typename Function, typename... Args>
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void registerTopic(const Message<Args...> &topic, Function &&f);
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template <typename Function>
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void removeTopic(const std::string_view &topic);
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template <typename Function>
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size_t topicCount(const std::string_view &topic);
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template <typename... Args>
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void sendMessage(const std::string_view &topic, Args &&...args);
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template <typename Function, typename... Args>
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void sendMessage(const std::string_view &topic, Args &&...args);
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template <typename... TArgs, typename... Args>
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void sendMessage(const Message<TArgs...> &topic, Args &&...args);
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template <typename... Args>
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void sendAsyncMessage(const std::string_view &topic, Args &&...args);
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template <typename Function, typename... Args>
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void sendAsyncMessage(const std::string_view &topic, Args &&...args);
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template <typename... TArgs, typename... Args>
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void sendAsyncMessage(const Message<TArgs...> &topic, Args &&...args);
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protected:
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MessageManager(const MessageManager &) = delete;
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template <typename Function>
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static Executor executorWrapper(Function &&f);
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void callExecutor(const std::string &signature, std::any &¶meter);
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void run();
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private:
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std::unordered_multimap<std::string, Executor> m_executors;
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std::queue<AsyncParam> m_params;
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std::thread m_thread;
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bool m_exit{false};
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};
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#include "MessageManager.inl"
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#endif // MESSAGEMANAGER_H
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