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0f6c435f66
* Complete ESP-IDF 6 migration hardening * Fix PR variant diff selection * Allow Git diff in CI container --------- Co-authored-by: Xiaoxia <terrence.huang@tenclass.com>
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
#ifndef MQTT_PROTOCOL_H
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#define MQTT_PROTOCOL_H
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#include "protocol.h"
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#include <mqtt.h>
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#include <udp.h>
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#include <cJSON.h>
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#include <psa/crypto.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/event_groups.h>
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#include <esp_timer.h>
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#include <functional>
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#include <string>
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#include <map>
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#include <mutex>
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#include <memory>
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#include <atomic>
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#define MQTT_PING_INTERVAL_SECONDS 90
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#define MQTT_RECONNECT_INTERVAL_MS 60000
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#define MQTT_PROTOCOL_SERVER_HELLO_EVENT (1 << 0)
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class MqttProtocol : public Protocol {
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public:
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MqttProtocol();
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~MqttProtocol();
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bool Start() override;
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bool SendAudio(std::unique_ptr<AudioStreamPacket> packet) override;
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bool OpenAudioChannel() override;
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void CloseAudioChannel(bool send_goodbye = true) override;
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bool IsAudioChannelOpened() const override;
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private:
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// Alive flag for safe scheduled callbacks - set to false in destructor
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std::shared_ptr<std::atomic<bool>> alive_ = std::make_shared<std::atomic<bool>>(true);
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EventGroupHandle_t event_group_handle_;
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std::string publish_topic_;
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mutable std::mutex channel_mutex_;
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std::mutex crypto_mutex_;
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std::unique_ptr<Mqtt> mqtt_;
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std::unique_ptr<Udp> udp_;
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psa_key_id_t aes_key_id_ = PSA_KEY_ID_NULL;
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std::string aes_nonce_;
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std::string udp_server_;
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int udp_port_;
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uint32_t local_sequence_;
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uint32_t remote_sequence_;
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esp_timer_handle_t reconnect_timer_;
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bool StartMqttClient(bool report_error=false);
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void ParseServerHello(const cJSON* root);
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bool DecodeHexString(const std::string& hex_string, std::string& decoded);
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bool CryptAesCtr(const uint8_t* input, size_t input_size, const uint8_t* nonce, uint8_t* output);
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bool SendText(const std::string& text) override;
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std::string GetHelloMessage();
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};
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#endif // MQTT_PROTOCOL_H
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