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添加简单的服务错误状态监听处理

This commit is contained in:
walker 2023-12-20 18:08:11 +08:00
parent 120fb4c5fb
commit f64cccccfc
9 changed files with 87 additions and 59 deletions
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74
dto/mqtt.pb.go
View File

@ -23,22 +23,19 @@ const (
type ServiceState int32
const (
ServiceState_Normal ServiceState = 0 // 正常
ServiceState_Offline ServiceState = 1 // 离线
ServiceState_Error ServiceState = 2 // 异常
ServiceState_Normal ServiceState = 0 // 正常
ServiceState_Error ServiceState = 2 // 错误
)
// Enum value maps for ServiceState.
var (
ServiceState_name = map[int32]string{
0: "Normal",
1: "Offline",
2: "Error",
}
ServiceState_value = map[string]int32{
"Normal": 0,
"Offline": 1,
"Error": 2,
"Normal": 0,
"Error": 2,
}
)
@ -76,7 +73,8 @@ type IotServiceState struct {
unknownFields protoimpl.UnknownFields
// string cliId = 1; // IOT服务mqtt客户端id
State ServiceState `protobuf:"varint,2,opt,name=state,proto3,enum=iot_dto.ServiceState" json:"state,omitempty"` // 服务状态
State ServiceState `protobuf:"varint,2,opt,name=state,proto3,enum=iot_dto.ServiceState" json:"state,omitempty"` // 服务状态
ErrMsg string `protobuf:"bytes,3,opt,name=errMsg,proto3" json:"errMsg,omitempty"` // 当state为error时，错误描述
}
func (x *IotServiceState) Reset() {
@ -118,6 +116,13 @@ func (x *IotServiceState) GetState() ServiceState {
return ServiceState_Normal
}
func (x *IotServiceState) GetErrMsg() string {
if x != nil {
return x.ErrMsg
}
return ""
}
type IotQcServiceStartReq struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -470,35 +475,36 @@ var file_proto_src_mqtt_proto_rawDesc = []byte{
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}
var (

10
mqtt/client.go
View File

@ -4,6 +4,7 @@ import (
"context"
"fmt"
"log/slog"
"time"
"github.com/eclipse/paho.golang/autopaho"
"github.com/eclipse/paho.golang/paho"
@ -42,6 +43,15 @@ func Start(cmc *IotMqttConfig) error {
return nil
}
// 断开MQTT客户端
func Stop() error {
slog.Info("停止MQTT客户端")
ctx, cancle := context.WithTimeout(context.Background(), 5*time.Second)
defer cancle()
err := iotcli.cm.Disconnect(ctx)
return err
}
func checkConfig(cmc *IotMqttConfig) error {
if cmc.AppId == "" {
return fmt.Errorf("应用编号不能为空")

6
mqtt/client_request_test.go
View File

@ -61,7 +61,7 @@ func TestRequest(t *testing.T) {
fmt.Printf("请求结果: %v\n", resp)
lr := &dto.IotServiceLogResp{}
err = proto.Unmarshal(resp.Payload, lr)
_ = proto.Unmarshal(resp.Payload, lr)
log.Printf("Received response: %s\n", lr)
time.Sleep(3 * time.Second)
@ -111,7 +111,7 @@ func listen() {
v.Wait()
}
func getCmConfig(clientId, logReqTopic string) autopaho.ClientConfig {
func getCmConfig(clientId, subTopic string) autopaho.ClientConfig {
addr, _ := url.Parse("tcp://192.168.3.233:1883")
cc := autopaho.ClientConfig{
BrokerUrls: []*url.URL{addr},
@ -122,7 +122,7 @@ func getCmConfig(clientId, logReqTopic string) autopaho.ClientConfig {
defer cancel()
if _, err := cm.Subscribe(ctx, &paho.Subscribe{
Subscriptions: []paho.SubscribeOptions{
{Topic: logReqTopic, QoS: 0},
{Topic: subTopic, QoS: 0},
},
}); err != nil {
fmt.Printf("failed to subscribe (%s). This is likely to mean no messages will be received.", err)

7
mqtt/client_will_test.go
View File

@ -1,7 +0,0 @@
package mqtt
import "testing"
func TestWillMessage(t *testing.T) {
t.Log("test will message")
}

1
mqtt/config.go
View File

@ -59,6 +59,5 @@ func (c *IotMqttConfig) tryInto() (*autopaho.ClientConfig, error) {
},
}
cc.SetUsernamePassword(c.Username, []byte(c.Password))
cc.SetWillMessage(GetIotServiceStateTopic(), []byte("离线"), 1, true)
return cc, nil
}

4
proto/src/mqtt.proto
View File

@ -7,14 +7,14 @@ import "proto/src/dc.proto";
enum ServiceState {
Normal = 0; // 正常
Offline = 1; // 离线
Error = 2; // 异常
Error = 2; // 出现异常或发生错误
}
// IOT服务状态
message IotServiceState {
// string cliId = 1; // IOT服务mqtt客户端id
ServiceState state = 2; // 服务状态
string errMsg = 3; // 当state为error时,异常/错误描述
}
message IotQcServiceStartReq {

25
server/server.go
View File

@ -16,6 +16,7 @@ var iqcs *IotQcServer
type IotQcServer struct {
qcMappingService service.IotQcMappingService
tasks []service.IScheduledTask
state *dto.IotServiceState
}
func (s *IotQcServer) start() error {
@ -27,6 +28,21 @@ func (s *IotQcServer) start() error {
return nil
}
func (s *IotQcServer) stateMonitor() *dto.IotServiceState {
if s.qcMappingService != nil {
if err := s.qcMappingService.ReportError(); err != nil {
// slog.Error("Modbus驱采映射服务报错", "err", err)
return &dto.IotServiceState{
State: dto.ServiceState_Error,
ErrMsg: err.Error(),
}
}
}
return &dto.IotServiceState{
State: dto.ServiceState_Normal,
}
}
func (s *IotQcServer) registerReqHandlers() {
mqtt.RegIotQcServiceStartReqHandler(s.startIotQcMappingService)
mqtt.RegIotQcServiceStopReqHandler(s.stopIotQcMappingService)
@ -54,15 +70,16 @@ func (s *IotQcServer) stopIotQcMappingService(req *dto.IotQcServiceStopReq) *dto
func StartIotQcServer() {
iqcs = &IotQcServer{
tasks: []service.IScheduledTask{},
state: &dto.IotServiceState{
State: dto.ServiceState_Normal,
},
}
iqcs.start()
}
func pubServerState() {
state := dto.ServiceState_Normal
mqtt.PubIotServiceState(&dto.IotServiceState{
State: state,
})
state := iqcs.stateMonitor()
mqtt.PubIotServiceState(state)
}
func startMqttClient() {

2
service/api.go
View File

@ -22,6 +22,8 @@ type IotQcMappingService interface {
WriteQdBytes(bytes []byte) error
// 写采集位列表
WriteCjBytes(bytes []byte) error
// 报错
ReportError() error
}
// 定时任务

15
service/modbus_qc_mapping.go
View File

@ -19,8 +19,14 @@ type modbusQcService struct {
qc model.QC
tasks []IScheduledTask
stopped bool
// cancel context.CancelFunc
// done chan struct{} // 服务协程退出信号
}
// ReportError implements IotQcMappingService.
func (s *modbusQcService) ReportError() error {
if !s.cli.IsConnected() {
return fmt.Errorf("modbus连接断开")
}
return nil
}
// RegisterQcDataHandleScheduleTask implements IotQcMappingService.
@ -119,13 +125,8 @@ func NewModbusQcService(config *dto.ModbusConfig) (IotQcMappingService, error) {
config: config,
cli: cli,
qc: model.NewDC(qd, cj),
// done: make(chan struct{}),
}
s.RegisterQcDataHandleScheduleTask(s.readTaskExecute, time.Duration(config.Interval)*time.Millisecond)
// s.initOnUpdateTask()
// ctx, cancel := context.WithCancel(context.Background())
// go s.run(ctx)
// s.cancel = cancel
return s, nil
}