#include "protocol.h"
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#include <esp_log.h>
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#define TAG "Protocol"
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void Protocol::OnIncomingJson(std::function<void(const cJSON* root)> callback) {
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on_incoming_json_ = callback;
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}
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void Protocol::OnIncomingAudio(std::function<void(std::unique_ptr<AudioStreamPacket> packet)> callback) {
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on_incoming_audio_ = callback;
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}
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void Protocol::OnAudioChannelOpened(std::function<void()> callback) {
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on_audio_channel_opened_ = callback;
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}
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void Protocol::OnAudioChannelClosed(std::function<void()> callback) {
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on_audio_channel_closed_ = callback;
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}
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void Protocol::OnNetworkError(std::function<void(const std::string& message)> callback) {
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on_network_error_ = callback;
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}
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void Protocol::OnConnected(std::function<void()> callback) {
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on_connected_ = callback;
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}
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void Protocol::OnDisconnected(std::function<void()> callback) {
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on_disconnected_ = callback;
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}
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void Protocol::SetError(const std::string& message) {
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error_occurred_ = true;
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if (on_network_error_ != nullptr) {
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on_network_error_(message);
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}
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}
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void Protocol::SendAbortSpeaking(AbortReason reason) {
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std::string message = "{\"session_id\":\"" + session_id_ + "\",\"type\":\"abort\"";
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if (reason == kAbortReasonWakeWordDetected) {
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message += ",\"reason\":\"wake_word_detected\"";
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}
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message += "}";
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SendText(message);
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}
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bool Protocol::SendWakeWordDetected(const std::string& wake_word) {
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cJSON* root = cJSON_CreateObject();
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cJSON_AddStringToObject(root, "session_id", session_id_.c_str());
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cJSON_AddStringToObject(root, "type", "listen");
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cJSON_AddStringToObject(root, "state", "detect");
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cJSON_AddStringToObject(root, "text", wake_word.c_str());
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char* json = cJSON_PrintUnformatted(root);
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cJSON_Delete(root);
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if (json == nullptr) {
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return false;
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}
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bool ok = SendText(json);
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cJSON_free(json);
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return ok;
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}
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void Protocol::SendStartListening(ListeningMode mode) {
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std::string message = "{\"session_id\":\"" + session_id_ + "\"";
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message += ",\"type\":\"listen\",\"state\":\"start\"";
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if (mode == kListeningModeRealtime) {
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message += ",\"mode\":\"realtime\"";
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} else if (mode == kListeningModeAutoStop) {
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message += ",\"mode\":\"auto\"";
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} else {
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message += ",\"mode\":\"manual\"";
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}
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message += "}";
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SendText(message);
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}
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void Protocol::SendStopListening() {
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std::string message = "{\"session_id\":\"" + session_id_ + "\",\"type\":\"listen\",\"state\":\"stop\"}";
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SendText(message);
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}
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void Protocol::SendMcpMessage(const std::string& payload) {
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std::string message = "{\"session_id\":\"" + session_id_ + "\",\"type\":\"mcp\",\"payload\":" + payload + "}";
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SendText(message);
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}
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bool Protocol::IsAudioChannelConnected() const {
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return IsAudioChannelOpened();
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}
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void Protocol::MarkIncomingActivity() {
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last_incoming_time_ = std::chrono::steady_clock::now();
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}
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bool Protocol::IsTimeout() const {
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const int kTimeoutSeconds = 120;
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auto now = std::chrono::steady_clock::now();
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auto duration = std::chrono::duration_cast<std::chrono::seconds>(now - last_incoming_time_);
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bool timeout = duration.count() > kTimeoutSeconds;
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if (timeout) {
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ESP_LOGW(TAG, "Channel idle %ld seconds (socket may still be up)", (long)duration.count());
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}
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return timeout;
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}
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