backend

Documentation

Index

• Constants
• Variables
• func AddUser(id int64) error
• func CloseDb() error
• func ConnectDb(connstr string) (e error)
• func DelUser(id int64) error
• func Exists(id int64) (bool, error)
• func ExistsConnector(name string) bool
• func InitDb(connstr string) error
• func InitGcm(config *GcmConfig) error
• func PushAll(user int64, message Message) (failures bool, errors map[string]error)
• type Connector
  • func GetConnector(name string) Connector
• type GcmConfig
• type Message

Constants

const (
	GcmDefaultMaxHttpConns       = 5
	GcmDefaultMaxSleepBeforeFail = 8 * time.Second
)

const (
	Version = 0
)

Variables

var (
	ErrUserNotExisting = errors.New("User does not exist")
	ErrUserExists      = errors.New("User already exists")
)

var (
	GcmAlreadyExistent      = errors.New("The given Registration ID is already present in the database")
	GcmAuthError            = errors.New("The given GCM authkey is invalid. Check it twice.")
	GcmInternalServerError  = errors.New("Internal server error.")
	GcmMessageTooLargeError = errors.New("Message is bigger than 4 KiBs (4096 bytes)")
	GcmTimeoutError         = errors.New("Timeout or server unavailable.")
	GcmUnknownStatusError   = errors.New("Unknown status. Fatal.")
	GcmWontTryAgain         = errors.New("Connector has given up with message delivery")
)

Functions

func AddUser

func AddUser(id int64) error

func CloseDb

func CloseDb() error

func ConnectDb

func ConnectDb(connstr string) (e error)

func DelUser

func DelUser(id int64) error

func Exists

func Exists(id int64) (bool, error)

func ExistsConnector

func ExistsConnector(name string) bool

func InitDb

func InitDb(connstr string) error

func InitGcm

func InitGcm(config *GcmConfig) error

func PushAll

func PushAll(user int64, message Message) (failures bool, errors map[string]error)

Types

type Connector

type Connector interface {
	Exists(deviceTargetId string) (bool, error)
	Push(user int64, message Message) error
	Register(user int64, deviceTargetId string) error
	Subscribed(user int64) (bool, error)
	Unregister(deviceTargetId string) error
}

var (
	ErrNotRegistered = errors.New("Not registered to this connector")
	Gcm              Connector
)

func GetConnector

func GetConnector(name string) Connector

type GcmConfig

type GcmConfig struct {
	ApiKey       string
	MaxTcpConns  int
	MaxRetryTime time.Duration
}

type Message

type Message map[string]string