khodowany
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#pragma once
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <optional>
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#include <vamp_protocol/gesture.hpp>
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namespace vamp_pico {
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enum class request_kind {
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DISPLAY,
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COMMAND,
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HEARTBEAT,
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TITLE,
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};
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struct remote_request {
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request_kind kind{request_kind::DISPLAY};
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vamp_protocol::page_command command{vamp_protocol::page_command::NEXT};
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std::array<std::char_t, vamp_protocol::title_id_size + 1U> title_id{};
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};
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enum class enqueue_result {
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QUEUED,
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BUSY,
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};
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class request_scheduler {
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public:
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static constexpr auto command_capacity = std::size_t{16};
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auto enqueue(vamp_protocol::page_command command) -> enqueue_result;
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auto next(std::uint64_t now_ms) -> std::optional<remote_request>;
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auto complete(std::uint64_t now_ms) -> void;
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auto queued() const -> std::size_t;
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auto want_title(std::string_view identifier) -> void;
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auto cancel_title() -> void;
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private:
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std::array<vamp_protocol::page_command, command_capacity> commands_{};
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std::size_t head_{};
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std::size_t size_{};
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std::bool_t in_flight_{};
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std::bool_t completed_{};
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std::uint64_t completed_ms_{};
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std::array<std::char_t, vamp_protocol::title_id_size + 1U> title_id_{};
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std::bool_t title_pending_{};
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request_kind active_kind_{request_kind::DISPLAY};
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};
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}
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