103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
#pragma once
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void setRelayDurations(JsonDocument& doc);
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void updateRelayTimings();
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// - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Handles the incoming payload. Returns it into a "JsonDocument" format.
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JsonDocument handleJSON(char * payload) {
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JsonDocument doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error) {
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Serial.print("deserializeJson() failed: ");
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Serial.println(error.c_str());
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}
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return doc;
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}
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void replyOnWebSocket(AsyncWebSocketClient *client, String list) {
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client->text(list);
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}
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// Handles the JSON Commands
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void handleCommand(JsonDocument json, AsyncWebSocketClient *client = nullptr){
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String cmd = json["cmd"];
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JsonVariant contents = json["contents"];
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if (cmd == "playback") {
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player.command(contents);
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} else if (cmd == "set_melody") {
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player.setMelodyAttributes(contents);
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player.loadMelodyInRAM(melody_steps);
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} else if (cmd == "list_melodies") {
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String list = listFilesAsJson("/melodies");
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PublishMqtt(list.c_str());
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if (client) {
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replyOnWebSocket(client, list); // Only reply via WS if client exists
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}
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} else if (cmd == "set_relay_timers") {
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updateRelayTimings(contents);
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} else if (cmd == "add_melody"){
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addMelody(contents);
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} else {
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LOG_WARNING("Unknown Command Received");
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}
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}
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// Subscribes to certain topics on the MQTT Server.
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void SuscribeMqtt() {
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String command = String("vesper/") + DEV_ID + "/control";
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uint16_t command_id = mqttClient.subscribe(command.c_str(), 2);
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LOG_INFO("Subscribing to Command topic, QoS 2, packetId: %d", command_id);
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}
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// Handles incoming MQTT messages on subscribed topics.
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// Could move logic out of this into a dedicated function.
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void OnMqttReceived(char * topic, char * payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
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String command = String("vesper/") + DEV_ID + "/control";
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// Don't know what this is. Check it out later.
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//String payloadContent = String(payload).substring(0, len);
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if (String(topic) == command){
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JsonDocument json = handleJSON(payload);
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handleCommand(json);
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}
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}
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// Handles incoming WebSocket messages on subscribed topics.
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// Could move logic out of this into a dedicated function.
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void onWebSocketReceived(AsyncWebSocketClient *client, void *arg, uint8_t *data, size_t len) {
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AwsFrameInfo *info = (AwsFrameInfo*)arg;
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if (info->final && info->index == 0 && info->len == len && info->opcode == WS_TEXT) {
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data[len] = '\0'; // Null-terminate the received data
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Serial.printf("Received message: %s\n", (char*)data);
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JsonDocument json = handleJSON((char*)data);
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handleCommand(json, client);
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}
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}
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void onWebSocketEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventType type, void *arg, uint8_t *data, size_t len) {
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if (type == WS_EVT_DATA) {
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onWebSocketReceived(client, arg, data, len);
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}
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}
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// Publishes a message on the MQTT server. Message passed as an argument.
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void PublishMqtt(const char * data) {
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String topicData = String("vesper/") + DEV_ID + "/data";
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mqttClient.publish(topicData.c_str(), 0, true, data);
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}
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