4b8436e6c2
1. 移除 MQTT Gateway 對 $SYS 系統主題的訂閱與解析邏輯，改由遺囑 (Last Will) 統一處理上下線狀態。 2. 更新 EMQX ACL 設定，移除 Gateway 的系統主題存取權限。 3. 優化 CI/CD 流程 (deploy-demo.yaml)：將 EMQX 重啟改為熱重載 (Reload)，並新增 MQTT Worker 自動重啟。
57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package handler
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import (
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"encoding/json"
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"log"
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"star-cloud-gateway/internal/bridge"
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"strings"
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mqtt "github.com/eclipse/paho.mqtt.golang"
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)
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type MqttHandler struct {
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pusher *bridge.RedisPusher
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}
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func NewMqttHandler(pusher *bridge.RedisPusher) *MqttHandler {
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return &MqttHandler{pusher: pusher}
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}
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func (h *MqttHandler) HandleMessage(client mqtt.Client, msg mqtt.Message) {
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topic := msg.Topic()
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payload := msg.Payload()
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log.Printf("Received message on topic: %s", topic)
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// 業務主題格式：
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// 3 層: machine/{serialNo}/{type} (如 heartbeat, error, transaction, status)
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// 4 層: machine/{serialNo}/{type}/{subType} (如 command/ack)
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parts := strings.Split(topic, "/")
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if len(parts) < 3 {
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return
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}
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serialNo := parts[1]
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msgType := parts[2]
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// 4 層 Topic：將 type/subType 組合為 type_subType (如 command/ack → command_ack)
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if len(parts) >= 4 {
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msgType = parts[2] + "_" + parts[3]
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}
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var jsonPayload interface{}
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err := json.Unmarshal(payload, &jsonPayload)
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if err != nil {
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// 如果不是有效的 JSON，則視為純文字/數值 (Raw Value)
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jsonPayload = string(payload)
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}
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bridgePayload := bridge.BridgePayload{
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Type: msgType,
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SerialNo: serialNo,
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Payload: jsonPayload,
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}
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h.pusher.Push(bridgePayload)
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}
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