1. 完善websocket通信逻辑

2. 实现Switch接口
This commit is contained in:
2025-09-08 14:59:42 +08:00
parent a6ee1013ca
commit 6a2d97b543
7 changed files with 499 additions and 19 deletions

View File

@@ -17,6 +17,9 @@ type Config struct {
// Database 数据库配置
Database DatabaseConfig `yaml:"database"`
// WebSocket WebSocket配置
WebSocket WebSocketConfig `yaml:"websocket"`
}
// ServerConfig 代表服务器配置
@@ -67,9 +70,19 @@ type DatabaseConfig struct {
ConnMaxLifetime int `yaml:"conn_max_lifetime"`
}
// WebSocketConfig 代表WebSocket配置
type WebSocketConfig struct {
// Timeout WebSocket请求超时时间(秒)
Timeout int `yaml:"timeout"`
}
// NewConfig 创建并返回一个新的配置实例
func NewConfig() *Config {
return &Config{}
return &Config{
WebSocket: WebSocketConfig{
Timeout: 5, // 默认5秒超时
},
}
}
// Load 从指定路径加载配置文件
@@ -101,3 +114,11 @@ func (c *Config) GetDatabaseConnectionString() string {
c.Database.SSLMode,
)
}
// GetWebSocketTimeout 获取WebSocket超时时间(秒)
func (c *Config) GetWebSocketTimeout() int {
if c.WebSocket.Timeout <= 0 {
return 5 // 默认5秒超时
}
return c.WebSocket.Timeout
}

View File

@@ -43,6 +43,21 @@ type SwitchResponseData struct {
DeviceType string `json:"device_type"`
DeviceID string `json:"device_id"`
Action string `json:"action"`
Status string `json:"status"` // 添加状态字段
Message string `json:"message"` // 添加消息字段
}
// RelayControlData 发送给中继设备的控制数据结构体
type RelayControlData struct {
DeviceType string `json:"device_type"`
DeviceID string `json:"device_id"`
Action string `json:"action"`
}
// RelayControlResponseData 中继设备控制响应数据结构体
type RelayControlResponseData struct {
Status string `json:"status"`
Message string `json:"message"`
}
// Switch 设备控制接口
@@ -67,31 +82,45 @@ func (c *Controller) Switch(ctx *gin.Context) {
}
// 通过WebSocket向中继设备发送控制指令
// 这里假设中继设备ID为"relay-001",在实际应用中应该根据设备层级结构动态获取
controlData := map[string]interface{}{
"device_type": req.DeviceType,
"device_id": req.DeviceID,
"action": req.Action,
controlData := RelayControlData{
DeviceType: req.DeviceType,
DeviceID: req.DeviceID,
Action: req.Action,
}
err := c.websocketService.SendCommand("relay-001", "control_device", controlData)
// 发送指令并等待响应
response, err := c.websocketService.SendCommandAndWait("relay-001", "control_device", controlData, 0)
if err != nil {
c.logger.Error("通过WebSocket发送设备控制指令失败: " + err.Error())
controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "设备控制失败")
controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "设备控制失败: "+err.Error())
return
}
// 使用响应中的状态和消息
status := "解析失败"
message := "消息解析失败"
// 如果响应中没有明确的状态和消息,则从数据中提取
if status == "" && message == "" {
// 解析响应数据
var responseData RelayControlResponseData
if err := response.ParseData(&responseData); err == nil {
status = responseData.Status
message = responseData.Message
}
}
// 创建设备控制记录
if err := c.createDeviceControlRecord(
user.ID,
req.DeviceID,
req.DeviceType,
req.Action,
"success",
"设备控制成功",
status,
message,
); err != nil {
c.logger.Error("创建设备控制记录失败: " + err.Error())
controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "设备控制失败")
controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "记录控制历史失败")
return
}
@@ -99,6 +128,8 @@ func (c *Controller) Switch(ctx *gin.Context) {
DeviceType: req.DeviceType,
DeviceID: req.DeviceID,
Action: req.Action,
Status: status,
Message: message,
}
controller.SendSuccessResponse(ctx, "设备控制成功", data)

View File

@@ -13,13 +13,15 @@ import (
type Controller struct {
websocketService *service.WebSocketService
logger *logs.Logger
service *service.WebSocketService
}
// NewController 创建远程控制控制器实例
func NewController(websocketService *service.WebSocketService) *Controller {
func NewController(websocketService *service.WebSocketService, service *service.WebSocketService) *Controller {
return &Controller{
websocketService: websocketService,
logger: logs.NewLogger(),
service: service,
}
}
@@ -32,9 +34,17 @@ type SendCommandRequest struct {
// SendCommandResponseData 发送指令响应数据结构体
type SendCommandResponseData struct {
DeviceID string `json:"device_id"`
Command string `json:"command"`
Status string `json:"status"`
DeviceID string `json:"device_id"`
Command string `json:"command"`
Status string `json:"status"`
Data interface{} `json:"data,omitempty"`
}
// RelayCommandData 发送到中继设备的命令数据结构体
type RelayCommandData struct {
DeviceID string `json:"device_id"`
Command string `json:"command"`
Data interface{} `json:"data,omitempty"`
}
// SendCommand 向设备发送指令接口
@@ -54,7 +64,14 @@ func (c *Controller) SendCommand(ctx *gin.Context) {
}
// 通过WebSocket服务向设备发送指令
err := c.websocketService.SendCommand(req.DeviceID, req.Command, req.Data)
commandData := RelayCommandData{
DeviceID: req.DeviceID,
Command: req.Command,
Data: req.Data,
}
// 发送指令并等待响应
response, err := c.websocketService.SendCommandAndWait(req.DeviceID, req.Command, commandData, 0)
if err != nil {
c.logger.Error("发送指令失败: " + err.Error())
controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "发送指令失败: "+err.Error())
@@ -65,6 +82,7 @@ func (c *Controller) SendCommand(ctx *gin.Context) {
DeviceID: req.DeviceID,
Command: req.Command,
Status: "sent",
Data: response.Data,
}
controller.SendSuccessResponse(ctx, "指令发送成功", data)

View File

@@ -77,6 +77,8 @@ func NewApplication(cfg *config.Config) *Application {
// 初始化WebSocket服务
websocketService := service.NewWebSocketService()
// 设置WebSocket超时时间
websocketService.SetDefaultTimeout(cfg.GetWebSocketTimeout())
// 初始化API组件
apiInstance := api.NewAPI(cfg, userRepo, operationHistoryRepo, deviceControlRepo, deviceRepo, websocketService)

View File

@@ -3,6 +3,7 @@
package service
import (
"context"
"encoding/json"
"fmt"
"sync"
@@ -52,6 +53,9 @@ type DeviceConnection struct {
// LastHeartbeat 最后心跳时间
LastHeartbeat time.Time
// ResponseChan 响应通道
ResponseChan chan *WebSocketMessage
}
// WebSocketService WebSocket服务
@@ -64,16 +68,25 @@ type WebSocketService struct {
// logger 日志记录器
logger *logs.Logger
// defaultTimeout 默认超时时间(秒)
defaultTimeout int
}
// NewWebSocketService 创建WebSocket服务实例
func NewWebSocketService() *WebSocketService {
return &WebSocketService{
connections: make(map[string]*DeviceConnection),
logger: logs.NewLogger(),
connections: make(map[string]*DeviceConnection),
logger: logs.NewLogger(),
defaultTimeout: 5, // 默认5秒超时
}
}
// SetDefaultTimeout 设置默认超时时间
func (ws *WebSocketService) SetDefaultTimeout(timeout int) {
ws.defaultTimeout = timeout
}
// AddConnection 添加设备连接
func (ws *WebSocketService) AddConnection(deviceID string, conn *websocket.Conn) {
ws.mutex.Lock()
@@ -98,6 +111,16 @@ func (ws *WebSocketService) RemoveConnection(deviceID string) {
ws.logger.Info(fmt.Sprintf("设备 %s 已断开连接", deviceID))
}
// SetResponseHandler 设置响应处理器
func (ws *WebSocketService) SetResponseHandler(deviceID string, responseChan chan *WebSocketMessage) {
ws.mutex.Lock()
defer ws.mutex.Unlock()
if deviceConn, exists := ws.connections[deviceID]; exists {
deviceConn.ResponseChan = responseChan
}
}
// SendCommand 向指定设备发送指令
func (ws *WebSocketService) SendCommand(deviceID, command string, data interface{}) error {
ws.mutex.RLock()
@@ -124,6 +147,99 @@ func (ws *WebSocketService) SendCommand(deviceID, command string, data interface
return nil
}
// CommandResponse WebSocket命令响应结构体
type CommandResponse struct {
// DeviceID 设备ID
DeviceID string `json:"device_id,omitempty"`
// Command 命令名称
Command string `json:"command,omitempty"`
// Data 响应数据
Data interface{} `json:"data,omitempty"`
// Status 响应状态
Status string `json:"status,omitempty"`
// Message 响应消息
Message string `json:"message,omitempty"`
// Timestamp 时间戳
Timestamp time.Time `json:"timestamp"`
}
// ParseData 将响应数据解析到目标结构体
func (cr *CommandResponse) ParseData(target interface{}) error {
dataBytes, err := json.Marshal(cr.Data)
if err != nil {
return err
}
return json.Unmarshal(dataBytes, target)
}
// CommandResult WebSocket命令执行结果
type CommandResult struct {
// Response 响应消息
Response *CommandResponse
// Error 错误信息
Error error
}
// SendCommandAndWait 发送指令并等待响应
func (ws *WebSocketService) SendCommandAndWait(deviceID, command string, data interface{}, timeout int) (*CommandResponse, error) {
// 如果未指定超时时间,使用默认超时时间
if timeout <= 0 {
timeout = ws.defaultTimeout
}
// 创建用于接收响应的通道
responseChan := make(chan *WebSocketMessage, 1)
ws.SetResponseHandler(deviceID, responseChan)
// 发送指令
if err := ws.SendCommand(deviceID, command, data); err != nil {
return nil, fmt.Errorf("发送指令失败: %v", err)
}
// 等待设备响应,设置超时
var response *WebSocketMessage
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeout)*time.Second)
defer cancel()
select {
case response = <-responseChan:
// 成功接收到响应
// 转换为CommandResponse结构体
commandResponse := &CommandResponse{
DeviceID: response.DeviceID,
Command: response.Command,
Data: response.Data,
Timestamp: response.Timestamp,
}
// 尝试提取状态和消息字段
if responseData, ok := response.Data.(map[string]interface{}); ok {
if status, exists := responseData["status"]; exists {
if statusStr, ok := status.(string); ok {
commandResponse.Status = statusStr
}
}
if message, exists := responseData["message"]; exists {
if messageStr, ok := message.(string); ok {
commandResponse.Message = messageStr
}
}
}
return commandResponse, nil
case <-ctx.Done():
// 超时处理
return nil, fmt.Errorf("等待设备响应超时")
}
}
// GetConnectedDevices 获取已连接的设备列表
func (ws *WebSocketService) GetConnectedDevices() []string {
ws.mutex.RLock()
@@ -154,6 +270,22 @@ func (ws *WebSocketService) HandleMessage(deviceID string, message []byte) error
ws.mutex.Unlock()
}
// 处理响应消息
if msg.Type == MessageTypeResponse {
ws.mutex.RLock()
if deviceConn, exists := ws.connections[deviceID]; exists && deviceConn.ResponseChan != nil {
// 发送响应到通道
select {
case deviceConn.ResponseChan <- &msg:
// 成功发送
default:
// 通道已满,丢弃消息
ws.logger.Warn(fmt.Sprintf("设备 %s 的响应通道已满,丢弃响应消息", deviceID))
}
}
ws.mutex.RUnlock()
}
// 记录消息日志
ws.logger.Info(fmt.Sprintf("收到来自设备 %s 的消息: %v", deviceID, msg))