huaweicloud-iot-device-sdk-go/device.go

469 lines
13 KiB
Go

package iot
import (
"github.com/golang/glog"
uuid "github.com/satori/go.uuid"
"time"
)
type Device interface {
BaseDevice
Gateway
SendMessage(message Message) bool
ReportProperties(properties DeviceProperties) bool
BatchReportSubDevicesProperties(service DevicesService) bool
QueryDeviceShadow(query DevicePropertyQueryRequest, handler DevicePropertyQueryResponseHandler)
UploadFile(filename string) bool
DownloadFile(filename string) bool
ReportDeviceInfo(swVersion, fwVersion string)
}
type iotDevice struct {
base baseIotDevice
gateway baseGateway
}
func (device *iotDevice) Init() bool {
return device.base.Init()
}
func (device *iotDevice) DisConnect() {
device.base.DisConnect()
}
func (device *iotDevice) IsConnected() bool {
return device.base.IsConnected()
}
func (device *iotDevice) AddMessageHandler(handler MessageHandler) {
device.base.AddMessageHandler(handler)
}
func (device *iotDevice) AddCommandHandler(handler CommandHandler) {
device.base.AddCommandHandler(handler)
}
func (device *iotDevice) AddPropertiesSetHandler(handler DevicePropertiesSetHandler) {
device.base.AddPropertiesSetHandler(handler)
}
func (device *iotDevice) SetSwFwVersionReporter(handler SwFwVersionReporter) {
device.base.SetSwFwVersionReporter(handler)
}
func (device *iotDevice) SetDeviceUpgradeHandler(handler DeviceUpgradeHandler) {
device.base.SetDeviceUpgradeHandler(handler)
}
func (device *iotDevice) SetPropertyQueryHandler(handler DevicePropertyQueryHandler) {
device.base.SetPropertyQueryHandler(handler)
}
func (device *iotDevice) SendMessage(message Message) bool {
messageData := Interface2JsonString(message)
if token := device.base.Client.Publish(FormatTopic(MessageUpTopic, device.base.Id), device.base.qos, false, messageData);
token.Wait() && token.Error() != nil {
glog.Warningf("device %s send message failed", device.base.Id)
return false
}
return true
}
func (device *iotDevice) ReportProperties(properties DeviceProperties) bool {
propertiesData := Interface2JsonString(properties)
if token := device.base.Client.Publish(FormatTopic(PropertiesUpTopic, device.base.Id), device.base.qos, false, propertiesData);
token.Wait() && token.Error() != nil {
glog.Warningf("device %s report properties failed", device.base.Id)
return false
}
return true
}
func (device *iotDevice) BatchReportSubDevicesProperties(service DevicesService) bool {
subDeviceCounts := len(service.Devices)
batchReportSubDeviceProperties := 0
if subDeviceCounts%device.base.batchSubDeviceSize == 0 {
batchReportSubDeviceProperties = subDeviceCounts / device.base.batchSubDeviceSize
} else {
batchReportSubDeviceProperties = subDeviceCounts/device.base.batchSubDeviceSize + 1
}
for i := 0; i < batchReportSubDeviceProperties; i++ {
begin := i * device.base.batchSubDeviceSize
end := (i + 1) * device.base.batchSubDeviceSize
if end > subDeviceCounts {
end = subDeviceCounts
}
sds := DevicesService{
Devices: service.Devices[begin:end],
}
if token := device.base.Client.Publish(FormatTopic(GatewayBatchReportSubDeviceTopic, device.base.Id), device.base.qos, false, Interface2JsonString(sds));
token.Wait() && token.Error() != nil {
glog.Warningf("device %s batch report sub device properties failed", device.base.Id)
return false
}
}
return true
}
func (device *iotDevice) QueryDeviceShadow(query DevicePropertyQueryRequest, handler DevicePropertyQueryResponseHandler) {
device.base.propertiesQueryResponseHandler = handler
requestId := uuid.NewV4()
if token := device.base.Client.Publish(FormatTopic(DeviceShadowQueryRequestTopic, device.base.Id)+requestId.String(), device.base.qos, false, Interface2JsonString(query));
token.Wait() && token.Error() != nil {
glog.Warningf("device %s query device shadow data failed,request id = %s", device.base.Id, requestId)
}
}
func (device *iotDevice) UploadFile(filename string) bool {
// 构造获取文件上传URL的请求
requestParas := FileRequestServiceEventParas{
FileName: filename,
}
serviceEvent := FileRequestServiceEvent{
Paras: requestParas,
}
serviceEvent.ServiceId = "$file_manager"
serviceEvent.EventTime = GetEventTimeStamp()
serviceEvent.EventType = "get_upload_url"
var services []FileRequestServiceEvent
services = append(services, serviceEvent)
request := FileRequest{
Services: services,
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(request));
token.Wait() && token.Error() != nil {
glog.Warningf("publish file upload request url failed")
return false
}
glog.Info("publish file upload request url success")
ticker := time.Tick(time.Second)
for {
select {
case <-ticker:
_, ok := device.base.fileUrls[filename+FileActionUpload]
if ok {
glog.Infof("platform send file upload url success")
goto BreakPoint
}
}
}
BreakPoint:
if len(device.base.fileUrls[filename+FileActionUpload]) == 0 {
glog.Errorf("get file upload url failed")
return false
}
glog.Infof("file upload url is %s", device.base.fileUrls[filename+FileActionUpload])
//filename = SmartFileName(filename)
uploadFlag := CreateHttpClient().UploadFile(filename, device.base.fileUrls[filename+FileActionUpload])
if !uploadFlag {
glog.Errorf("upload file failed")
return false
}
response := CreateFileUploadDownLoadResultResponse(filename, FileActionUpload, uploadFlag)
token := device.base.Client.Publish(FormatTopic(PlatformEventToDeviceTopic, device.base.Id), device.base.qos, false, Interface2JsonString(response))
if token.Wait() && token.Error() != nil {
glog.Error("report file upload file result failed")
return false
}
return true
}
func (device *iotDevice) DownloadFile(filename string) bool {
// 构造获取文件上传URL的请求
requestParas := FileRequestServiceEventParas{
FileName: filename,
}
serviceEvent := FileRequestServiceEvent{
Paras: requestParas,
}
serviceEvent.ServiceId = "$file_manager"
serviceEvent.EventTime = GetEventTimeStamp()
serviceEvent.EventType = "get_download_url"
var services []FileRequestServiceEvent
services = append(services, serviceEvent)
request := FileRequest{
Services: services,
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(request));
token.Wait() && token.Error() != nil {
glog.Warningf("publish file download request url failed")
return false
}
ticker := time.Tick(time.Second)
for {
select {
case <-ticker:
_, ok := device.base.fileUrls[filename+FileActionDownload]
if ok {
glog.Infof("platform send file upload url success")
goto BreakPoint
}
}
}
BreakPoint:
if len(device.base.fileUrls[filename+FileActionDownload]) == 0 {
glog.Errorf("get file download url failed")
return false
}
downloadFlag := CreateHttpClient().DownloadFile(filename, device.base.fileUrls[filename+FileActionDownload])
if !downloadFlag {
glog.Errorf("down load file { %s } failed", filename)
return false
}
response := CreateFileUploadDownLoadResultResponse(filename, FileActionDownload, downloadFlag)
token := device.base.Client.Publish(FormatTopic(PlatformEventToDeviceTopic, device.base.Id), device.base.qos, false, Interface2JsonString(response))
if token.Wait() && token.Error() != nil {
glog.Error("report file upload file result failed")
return false
}
return true
}
func (device *iotDevice) ReportDeviceInfo(swVersion, fwVersion string) {
event := ReportDeviceInfoServiceEvent{
BaseServiceEvent{
ServiceId: "$device_info",
EventType: "device_info_report",
EventTime: GetEventTimeStamp(),
},
ReportDeviceInfoEventParas{
DeviceSdkVersion: SdkInfo()["sdk-version"],
SwVersion: swVersion,
FwVersion: fwVersion,
},
}
request := ReportDeviceInfoRequest{
ObjectDeviceId: device.base.Id,
Services: []ReportDeviceInfoServiceEvent{event},
}
device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(request))
}
func (device *iotDevice) SetSubDevicesAddHandler(handler SubDevicesAddHandler) {
device.base.subDevicesAddHandler = handler
}
func (device *iotDevice) SetSubDevicesDeleteHandler(handler SubDevicesDeleteHandler) {
device.base.subDevicesDeleteHandler = handler
}
func (device *iotDevice) UpdateSubDeviceState(subDevicesStatus SubDevicesStatus) bool {
glog.Infof("begin to update sub-devices status")
subDeviceCounts := len(subDevicesStatus.DeviceStatuses)
batchUpdateSubDeviceState := 0
if subDeviceCounts%device.base.batchSubDeviceSize == 0 {
batchUpdateSubDeviceState = subDeviceCounts / device.base.batchSubDeviceSize
} else {
batchUpdateSubDeviceState = subDeviceCounts/device.base.batchSubDeviceSize + 1
}
for i := 0; i < batchUpdateSubDeviceState; i++ {
begin := i * device.base.batchSubDeviceSize
end := (i + 1) * device.base.batchSubDeviceSize
if end > subDeviceCounts {
end = subDeviceCounts
}
sds := SubDevicesStatus{
DeviceStatuses: subDevicesStatus.DeviceStatuses[begin:end],
}
requestEventService := DataEntry{
ServiceId: "$sub_device_manager",
EventType: "sub_device_update_status",
EventTime: GetEventTimeStamp(),
Paras: sds,
}
request := Data{
ObjectDeviceId: device.base.Id,
Services: []DataEntry{requestEventService},
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(request));
token.Wait() && token.Error() != nil {
glog.Warningf("gateway %s update sub devices status failed", device.base.Id)
return false
}
}
glog.Info("gateway update sub devices status failed", device.base.Id)
return true
}
func (device *iotDevice) DeleteSubDevices(deviceIds []string) bool {
glog.Infof("begin to delete sub-devices %s", deviceIds)
subDevices := struct {
Devices []string `json:"devices"`
}{
Devices: deviceIds,
}
requestEventService := DataEntry{
ServiceId: "$sub_device_manager",
EventType: "delete_sub_device_request",
EventTime: GetEventTimeStamp(),
Paras: subDevices,
}
request := Data{
ObjectDeviceId: device.base.Id,
Services: []DataEntry{requestEventService},
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(request));
token.Wait() && token.Error() != nil {
glog.Warningf("gateway %s delete sub devices request send failed", device.base.Id)
return false
}
glog.Warningf("gateway %s delete sub devices request send success", device.base.Id)
return true
}
func (device *iotDevice) AddSubDevices(deviceInfos []DeviceInfo) bool {
devices := struct {
Devices []DeviceInfo `json:"devices"`
}{
Devices: deviceInfos,
}
requestEventService := DataEntry{
ServiceId: "$sub_device_manager",
EventType: "add_sub_device_request",
EventTime: GetEventTimeStamp(),
Paras: devices,
}
request := Data{
ObjectDeviceId: device.base.Id,
Services: []DataEntry{requestEventService},
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(request));
token.Wait() && token.Error() != nil {
glog.Warningf("gateway %s add sub devices request send failed", device.base.Id)
return false
}
glog.Warningf("gateway %s add sub devices request send success", device.base.Id)
return true
}
func (device *iotDevice) SyncAllVersionSubDevices() {
dataEntry := DataEntry{
ServiceId: "$sub_device_manager",
EventType: "sub_device_sync_request",
EventTime: GetEventTimeStamp(),
Paras: struct {
}{},
}
var dataEntries []DataEntry
dataEntries = append(dataEntries, dataEntry)
data := Data{
Services: dataEntries,
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(data));
token.Wait() && token.Error() != nil {
glog.Errorf("send sub device sync request failed")
}
}
func (device *iotDevice) SyncSubDevices(version int) {
syncParas := struct {
Version int `json:"version"`
}{
Version: version,
}
dataEntry := DataEntry{
ServiceId: "$sub_device_manager",
EventType: "sub_device_sync_request",
EventTime: GetEventTimeStamp(),
Paras: syncParas,
}
var dataEntries []DataEntry
dataEntries = append(dataEntries, dataEntry)
data := Data{
Services: dataEntries,
}
if token := device.base.Client.Publish(FormatTopic(DeviceToPlatformTopic, device.base.Id), device.base.qos, false, Interface2JsonString(data));
token.Wait() && token.Error() != nil {
glog.Errorf("send sync sub device request failed")
}
}
func CreateIotDevice(id, password, servers string) Device {
config := DeviceConfig{
Id: id,
Password: password,
Servers: servers,
Qos: 0,
}
return CreateIotDeviceWitConfig(config)
}
func CreateIotDeviceWithQos(id, password, servers string, qos byte) Device {
config := DeviceConfig{
Id: id,
Password: password,
Servers: servers,
Qos: qos,
}
return CreateIotDeviceWitConfig(config)
}
func CreateIotDeviceWitConfig(config DeviceConfig) Device {
device := baseIotDevice{}
device.Id = config.Id
device.Password = config.Password
device.Servers = config.Servers
device.messageHandlers = []MessageHandler{}
device.commandHandlers = []CommandHandler{}
device.fileUrls = map[string]string{}
device.qos = config.Qos
device.batchSubDeviceSize = 100
result := &iotDevice{
base: device,
}
return result
}