subscriber

package
v1.0.0 Latest Latest
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Published: Sep 7, 2016 License: MIT Imports: 16 Imported by: 0

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Index

Constants

View Source
const (
	DefaultHTTPTimeout = 30 * time.Second
)

Variables

This section is empty.

Functions

This section is empty.

Types

type BalanceMode

type BalanceMode int

BalanceMode sets what balance mode to use on a subscription. valid options are currently ALL or ANY

const (
	ALL BalanceMode = iota
	ANY
)

ALL is a Balance mode option

type Config

type Config struct {
	// Whether to enable to Subscriber service
	Enabled bool `toml:"enabled"`

	HTTPTimeout toml.Duration `toml:"http-timeout"`
}

Config represents a configuration of the subscriber service.

func NewConfig

func NewConfig() Config

NewConfig returns a new instance of a subscriber config.

func (Config) Validate added in v1.0.0

func (c Config) Validate() error

type HTTP added in v1.0.0

type HTTP struct {
	// contains filtered or unexported fields
}

HTTP supports writing points over HTTP using the line protocol.

func NewHTTP added in v1.0.0

func NewHTTP(addr string, timeout time.Duration) (*HTTP, error)

NewHTTP returns a new HTTP points writer with default options.

func (*HTTP) WritePoints added in v1.0.0

func (h *HTTP) WritePoints(p *coordinator.WritePointsRequest) (err error)

WritePoints writes points over HTTP transport.

type PointsWriter

type PointsWriter interface {
	WritePoints(p *coordinator.WritePointsRequest) error
}

PointsWriter is an interface for writing points to a subscription destination. Only WritePoints() needs to be satisfied.

type Service

type Service struct {
	MetaClient interface {
		Databases() []meta.DatabaseInfo
		WaitForDataChanged() chan struct{}
	}
	NewPointsWriter func(u url.URL) (PointsWriter, error)
	Logger          *log.Logger
	// contains filtered or unexported fields
}

Service manages forking the incoming data from InfluxDB to defined third party destinations. Subscriptions are defined per database and retention policy.

func NewService

func NewService(c Config) *Service

NewService returns a subscriber service with given settings

func (*Service) Close

func (s *Service) Close() error

Close terminates the subscription service Will panic if called multiple times or without first opening the service.

func (*Service) Open

func (s *Service) Open() error

Open starts the subscription service.

func (*Service) Points

func (s *Service) Points() chan<- *coordinator.WritePointsRequest

Points returns a channel into which write point requests can be sent.

func (*Service) SetLogOutput added in v0.13.0

func (s *Service) SetLogOutput(w io.Writer)

SetLogOutput sets the writer to which all logs are written. It must not be called after Open is called.

func (*Service) Statistics added in v1.0.0

func (s *Service) Statistics(tags map[string]string) []models.Statistic

Statistics returns statistics for periodic monitoring.

func (*Service) Update

func (s *Service) Update() error

Update will start new and stop deleted subscriptions.

type Statistics added in v1.0.0

type Statistics struct {
	WriteFailures int64
	PointsWritten int64
}

Statistics maintains the statistics for the subscriber service.

type UDP

type UDP struct {
	// contains filtered or unexported fields
}

UDP supports writing points over UDP using the line protocol.

func NewUDP

func NewUDP(addr string) *UDP

NewUDP returns a new UDP listener with default options.

func (*UDP) WritePoints

func (u *UDP) WritePoints(p *coordinator.WritePointsRequest) (err error)

WritePoints writes points over UDP transport.

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