khodowany
79 lines
2.1 KiB
C++
79 lines
2.1 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 <string_view>
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#include <vamp_pico/input.hpp>
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#include <modulus/types.hpp>
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struct tcp_pcb;
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namespace vamp_pico {
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struct remote_display_state {
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std::bool_t active{};
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std::char_t title[96]{};
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std::char_t part[48]{};
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std::char_t mode[24]{};
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std::array<std::char_t, vamp_protocol::title_id_size + 1U> title_image{};
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std::uint32_t page{};
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std::uint32_t pages{};
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};
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auto parse_remote_display_body(std::string_view body, vamp_pico::remote_display_state &state) -> std::bool_t;
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enum class http_status {
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IDLE,
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IN_FLIGHT,
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READY,
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};
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enum class http_start_result {
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STARTED,
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BUSY,
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};
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struct http_result {
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remote_request request{};
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std::bool_t success{};
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remote_display_state display{};
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};
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class http_client {
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public:
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http_client() = default;
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~http_client();
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http_client(http_client const &) = delete;
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auto operator=(http_client const &) -> http_client & = delete;
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http_client(http_client &&) = delete;
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auto operator=(http_client &&) -> http_client & = delete;
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// Accepted requests, including immediate failures, produce exactly one result.
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auto start(remote_request request, std::uint64_t now_ms) -> http_start_result;
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auto poll(std::uint64_t now_ms) -> http_status;
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auto take_result() -> std::optional<http_result>;
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// Discards the request/result and returns to IDLE. Call before Wi-Fi deinit.
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auto cancel() -> void;
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// View remains valid until start/cancel. Copy only after matching the selected ID.
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auto title_image() const -> std::string_view;
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auto current_kind() const -> request_kind;
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private:
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friend struct http_client_callbacks;
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tcp_pcb *pcb_{};
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http_status status_{http_status::IDLE};
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remote_request request_{};
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std::bool_t success_{};
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std::uint64_t started_ms_{};
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std::uint64_t timeout_ms_{};
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std::array<std::char_t, 384> request_buffer_{};
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std::size_t request_size_{};
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std::array<std::char_t, vamp_protocol::title_image_size + 1024U> response_buffer_{};
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std::size_t response_size_{};
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std::size_t title_offset_{};
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};
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}
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