platform_connector_lib

package module
v0.0.0-...-b1e6648 Latest Latest
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 Go to latest Published: Mar 15, 2024 License: Apache-2.0 Imports: 30 Imported by: 14

README

Library to create a platform-connector to handle a protocol which communicates with devices

Documentation

Index

Constants

View Source 
const MutedDeviceErrorsAttribute = "platform/mute-format-error"
View Source 
const Seperator = "$"

Variables

View Source 
var ErrorUnknownLocalServiceId = errors.New("unknown local service id")

Functions

func DecodeModifierParameter 

func DecodeModifierParameter(parameter string) (result map[string][]string, err error)

func SplitModifier 

func SplitModifier(id string) (pureId string, modifier map[string][]string)

func TrimIdModifier 

func TrimIdModifier(id string) (pureId string)

Types

type AsyncCommandHandler 

type AsyncCommandHandler func(commandRequest model.ProtocolMsg, requestMsg CommandRequestMsg, t time.Time) (err error)

type CommandRequestMsg 

type CommandRequestMsg = map[ProtocolSegmentName]string

type CommandResponseMsg 

type CommandResponseMsg = map[ProtocolSegmentName]string

type Config 

type Config struct {
	KafkaUrl           string
	KafkaResponseTopic string
	KafkaGroupName     string
	FatalKafkaError    bool
	Protocol           string

	DeviceManagerUrl string
	DeviceRepoUrl    string

	AuthClientId             string //keycloak-client
	AuthClientSecret         string //keycloak-secret
	AuthExpirationTimeBuffer float64
	AuthEndpoint             string

	JwtPrivateKey string
	JwtExpiration int64
	JwtIssuer     string

	DeviceExpiration      int32
	DeviceTypeExpiration  int32
	TokenCacheExpiration  int32
	IotCacheUrl           []string
	TokenCacheUrl         []string
	Debug                 bool
	SerializationFallback string

	Validate                  bool
	ValidateAllowUnknownField bool
	ValidateAllowMissingField bool

	CharacteristicExpiration int32
	PartitionsNum            int
	ReplicationFactor        int

	PublishToPostgres bool
	PostgresHost      string
	PostgresPort      int
	PostgresUser      string
	PostgresPw        string
	PostgresDb        string

	HttpCommandConsumerPort string

	PermQueryUrl string

	AsyncPgThreadMax    int
	AsyncFlushMessages  int
	AsyncFlushFrequency time.Duration
	AsyncCompression    sarama.CompressionCodec
	SyncCompression     sarama.CompressionCodec

	KafkaConsumerMaxWait  string
	KafkaConsumerMinBytes int
	KafkaConsumerMaxBytes int

	IotCacheTimeout      string
	IotCacheMaxIdleConns int

	NotificationUrl string

	DeviceTypeTopic string

	KafkaTopicConfigs map[string][]kafka.ConfigEntry

	NotificationsIgnoreDuplicatesWithinS int
	NotificationUserOverwrite            string

	DeveloperNotificationUrl string //optional

}

func LoadConfig 

func LoadConfig(location string) (config Config, err error)

loads config from json in location and used environment variables (e.g KafkaUrl --> ZOOKEEPER_URL)

type Connector 

type Connector struct {
	Config Config

	IotCache *iot.PreparedCache
	// contains filtered or unexported fields
}

func New 

func New(config Config) (connector *Connector, err error)

func (*Connector) CleanMsg 

func (this *Connector) CleanMsg(msg map[string]interface{}, service model.Service) (map[string]interface{}, error)

func (*Connector) GetProducer 

func (this *Connector) GetProducer(qos Qos) (producer kafka.ProducerInterface, err error)

func (*Connector) HandleClientError 

func (this *Connector) HandleClientError(userId string, clientId string, errorMessage string)

func (*Connector) HandleCommandError 

func (this *Connector) HandleCommandError(userId string, commandRequest model.ProtocolMsg, errorMessage string)

func (*Connector) HandleCommandResponse 

func (this *Connector) HandleCommandResponse(commandRequest model.ProtocolMsg, commandResponse CommandResponseMsg, qos Qos) (err error)

func (*Connector) HandleDeviceError 

func (this *Connector) HandleDeviceError(userId string, device model.Device, errorMessage string)

func (*Connector) HandleDeviceEvent 

func (this *Connector) HandleDeviceEvent(username string, password string, deviceId string, serviceId string, protocolParts map[string]string, qos Qos) (err error)

func (*Connector) HandleDeviceEventWithAuthToken 

func (this *Connector) HandleDeviceEventWithAuthToken(token security.JwtToken, deviceId string, serviceId string, eventMsg EventMsg, qos Qos) (err error)

func (*Connector) HandleDeviceIdentEvent 

func (this *Connector) HandleDeviceIdentEvent(username string, password string, deviceId string, localDeviceId string, serviceId string, localServiceId string, eventMsg EventMsg, qos Qos) (info HandledDeviceInfo, err error)

func (*Connector) HandleDeviceIdentEventWithAuthToken 

func (this *Connector) HandleDeviceIdentEventWithAuthToken(token security.JwtToken, deviceId string, localDeviceId string, serviceId string, localServiceId string, eventMsg EventMsg, qos Qos) (info HandledDeviceInfo, err error)

func (*Connector) HandleDeviceRefEvent 

func (this *Connector) HandleDeviceRefEvent(username string, password string, deviceUri string, serviceUri string, eventMsg EventMsg, qos Qos) (info HandledDeviceInfo, err error)

func (*Connector) HandleDeviceRefEventWithAuthToken 

func (this *Connector) HandleDeviceRefEventWithAuthToken(token security.JwtToken, deviceUri string, serviceUri string, eventMsg EventMsg, qos Qos) (info HandledDeviceInfo, err error)

func (*Connector) InitProducer 

func (this *Connector) InitProducer(ctx context.Context, qosList []Qos) (err error)

func (*Connector) Iot 

func (this *Connector) Iot() *iot.Iot

func (*Connector) Security 

func (this *Connector) Security() Security

func (*Connector) SendNotification 

func (this *Connector) SendNotification(message Notification) error

func (*Connector) SetAsyncCommandHandler 

func (this *Connector) SetAsyncCommandHandler(handler AsyncCommandHandler) *Connector

asyncCommandHandler, endpointCommandHandler and deviceCommandHandler are mutual exclusive

func (*Connector) SetDeviceCommandHandler 

func (this *Connector) SetDeviceCommandHandler(handler DeviceCommandHandler) *Connector

asyncCommandHandler, endpointCommandHandler and deviceCommandHandler are mutual exclusive

func (*Connector) SetKafkaLogger 

func (this *Connector) SetKafkaLogger(logger *log.Logger)

func (*Connector) Start 

func (this *Connector) Start(ctx context.Context, qosList ...Qos) (err error)

func (*Connector) StartConsumer 

func (this *Connector) StartConsumer(ctx context.Context) (err error)

func (*Connector) ValidateMsg 

func (this *Connector) ValidateMsg(msg map[string]interface{}, service model.Service) error

type DeviceCommandHandler 

type DeviceCommandHandler func(deviceId string, deviceUri string, serviceId string, serviceUri string, requestMsg CommandRequestMsg) (responseMsg CommandResponseMsg, qos Qos, err error)

type DeviceTypeCommand 

type DeviceTypeCommand struct {
	Command string `json:"command"`
	Id      string `json:"id"`
}

type EventMsg 

type EventMsg = map[ProtocolSegmentName]string

type HandledDeviceInfo 

type HandledDeviceInfo struct {
	DeviceId     string
	DeviceTypeId string
	ServiceIds   []string
}

type Notification 

type Notification struct {
	UserId  string `json:"userId" bson:"userId"`
	Title   string `json:"title" bson:"title"`
	Message string `json:"message" bson:"message"`
}

type ProtocolSegmentName 

type ProtocolSegmentName = string

type Qos 

type Qos int
const (
	Async Qos = iota
	Sync
	SyncIdempotent
)

type Security 

type Security interface {
	Access() (token security.JwtToken, err error)
	ResetAccess()
	GenerateUserTokenById(userid string) (token security.JwtToken, err error)
	GenerateUserToken(username string) (token security.JwtToken, err error)
	ExchangeUserToken(userid string) (token security.JwtToken, err error)
	GetUserToken(username string, password string) (token security.JwtToken, err error)
	GetCachedUserToken(username string) (token security.JwtToken, err error)
	GetUserId(username string) (userid string, err error)
	GetUserRoles(userid string) (roles []string, err error)
}

Source Files

View all Source files

Directories

Path Synopsis
test/config
test/helper
test/server
iot
mock/auth
mock/iot
options
base
json
plaintext
xml

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