output

package
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 Go to latest Published: Sep 22, 2017 License: MIT Imports: 26 Imported by: 0

Documentation

Overview

Package output - Defines dispatchers of data for a variety of targets. All output types must implement interface output.Type.

Index

Constants

This section is empty.

Variables

View Source 
var (
	// ErrFanOutNoOutputs - Returned when creating a FanOut type with zero outputs.
	ErrFanOutNoOutputs = errors.New("attempting to create fan_out output type with no outputs")
)
View Source 
var (
	// ErrRoundRobinNoOutputs - Returned when creating a RoundRobin type with zero outputs.
	ErrRoundRobinNoOutputs = errors.New("attempting to create round_robin output with no outputs")
)

Functions

func Descriptions 

func Descriptions() string

Descriptions - Returns a formatted string of collated descriptions of each type.

Types

type AMQP added in v0.0.2 

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

AMQP - An output type that serves AMQP messages.

func (*AMQP) CloseAsync added in v0.0.2 

func (a *AMQP) CloseAsync()

CloseAsync - Shuts down the AMQP output and stops processing messages.

func (*AMQP) ResponseChan added in v0.0.2 

func (a *AMQP) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*AMQP) StartReceiving added in v0.0.2 

func (a *AMQP) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*AMQP) WaitForClose added in v0.0.2 

func (a *AMQP) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the AMQP output has closed down.

type AMQPConfig added in v0.0.2 

type AMQPConfig struct {
	URI          string `json:"uri" yaml:"uri"`
	Exchange     string `json:"exchange" yaml:"exchange"`
	ExchangeType string `json:"exchange_type" yaml:"exchange_type"`
	BindingKey   string `json:"key" yaml:"key"`
}

AMQPConfig - Configuration for the AMQP output type.

func NewAMQPConfig added in v0.0.2 

func NewAMQPConfig() AMQPConfig

NewAMQPConfig - Creates a new AMQPConfig with default values.

type Config 

type Config struct {
	Type       string           `json:"type" yaml:"type"`
	HTTPClient HTTPClientConfig `json:"http_client" yaml:"http_client"`
	HTTPServer HTTPServerConfig `json:"http_server" yaml:"http_server"`
	ScaleProto ScaleProtoConfig `json:"scalability_protocols" yaml:"scalability_protocols"`
	Kafka      KafkaConfig      `json:"kafka" yaml:"kafka"`
	AMQP       AMQPConfig       `json:"amqp" yaml:"amqp"`
	NSQ        NSQConfig        `json:"nsq" yaml:"nsq"`
	NATS       NATSConfig       `json:"nats" yaml:"nats"`
	ZMQ4       *ZMQ4Config      `json:"zmq4,omitempty" yaml:"zmq4,omitempty"`
	File       FileConfig       `json:"file" yaml:"file"`
	STDOUT     struct{}         `json:"stdout" yaml:"stdout"`
	FanOut     FanOutConfig     `json:"fan_out" yaml:"fan_out"`
	RoundRobin RoundRobinConfig `json:"round_robin" yaml:"round_robin"`
}

Config - The all encompassing configuration struct for all output types. Note that some configs are empty structs, as the type has no optional values but we want to list it as an option.

func NewConfig 

func NewConfig() Config

NewConfig - Returns a configuration struct fully populated with default values.

type FanOutConfig 

type FanOutConfig struct {
	Outputs []interface{} `json:"outputs" yaml:"outputs"`
}

FanOutConfig - Configuration for the FanOut output type.

func NewFanOutConfig 

func NewFanOutConfig() FanOutConfig

NewFanOutConfig - Creates a new FanOutConfig with default values.

type FileConfig 

type FileConfig struct {
	Path string `json:"path" yaml:"path"`
}

FileConfig - Configuration values for the file based output type.

func NewFileConfig 

func NewFileConfig() FileConfig

NewFileConfig - Create a new FileConfig with default values.

type HTTPClient 

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

HTTPClient - An output type that pushes messages to HTTPClient.

func (*HTTPClient) CloseAsync 

func (h *HTTPClient) CloseAsync()

CloseAsync - Shuts down the HTTPClient output and stops processing messages.

func (*HTTPClient) ResponseChan 

func (h *HTTPClient) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*HTTPClient) StartReceiving 

func (h *HTTPClient) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*HTTPClient) WaitForClose 

func (h *HTTPClient) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the HTTPClient output has closed down.

type HTTPClientConfig 

type HTTPClientConfig struct {
	URL        string `json:"url" yaml:"url"`
	TimeoutMS  int64  `json:"timeout_ms" yaml:"timeout_ms"`
	RetryMS    int64  `json:"retry_period_ms" yaml:"retry_period_ms"`
	NumRetries int    `json:"retries" yaml:"retries"`
}

HTTPClientConfig - Configuration for the HTTPClient output type.

func NewHTTPClientConfig 

func NewHTTPClientConfig() HTTPClientConfig

NewHTTPClientConfig - Creates a new HTTPClientConfig with default values.

type HTTPServer 

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

HTTPServer - An input type that serves HTTPServer POST requests.

func (*HTTPServer) CloseAsync 

func (h *HTTPServer) CloseAsync()

CloseAsync - Shuts down the HTTPServer input and stops processing requests.

func (*HTTPServer) ResponseChan 

func (h *HTTPServer) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*HTTPServer) StartReceiving 

func (h *HTTPServer) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*HTTPServer) WaitForClose 

func (h *HTTPServer) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the HTTPServer output has closed down.

type HTTPServerConfig 

type HTTPServerConfig struct {
	Address         string `json:"address" yaml:"address"`
	Path            string `json:"path" yaml:"path"`
	ServerTimeoutMS int64  `json:"server_timeout_ms" yaml:"server_timeout_ms"`
	ClientTimeoutMS int64  `json:"client_timeout_ms" yaml:"client_timeout_ms"`
}

HTTPServerConfig - Configuration for the HTTPServer input type.

func NewHTTPServerConfig 

func NewHTTPServerConfig() HTTPServerConfig

NewHTTPServerConfig - Creates a new HTTPServerConfig with default values.

type Kafka 

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

Kafka - An output type that writes messages into kafka.

func (*Kafka) CloseAsync 

func (k *Kafka) CloseAsync()

CloseAsync - Shuts down the Kafka output and stops processing messages.

func (*Kafka) ResponseChan 

func (k *Kafka) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*Kafka) StartReceiving 

func (k *Kafka) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*Kafka) WaitForClose 

func (k *Kafka) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the Kafka output has closed down.

type KafkaConfig 

type KafkaConfig struct {
	Addresses []string `json:"addresses" yaml:"addresses"`
	ClientID  string   `json:"client_id" yaml:"client_id"`
	Topic     string   `json:"topic" yaml:"topic"`
}

KafkaConfig - Configuration for the Kafka output type.

func NewKafkaConfig 

func NewKafkaConfig() KafkaConfig

NewKafkaConfig - Creates a new KafkaConfig with default values.

type NATS added in v0.2.2 

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

NATS - An output type that serves NATS messages.

func (*NATS) CloseAsync added in v0.2.2 

func (n *NATS) CloseAsync()

CloseAsync - Shuts down the NATS output and stops processing messages.

func (*NATS) ResponseChan added in v0.2.2 

func (n *NATS) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*NATS) StartReceiving added in v0.2.2 

func (n *NATS) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*NATS) WaitForClose added in v0.2.2 

func (n *NATS) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the NATS output has closed down.

type NATSConfig added in v0.2.2 

type NATSConfig struct {
	URL     string `json:"url" yaml:"url"`
	Subject string `json:"subject" yaml:"subject"`
}

NATSConfig - Configuration for the NATS output type.

func NewNATSConfig added in v0.2.2 

func NewNATSConfig() NATSConfig

NewNATSConfig - Creates a new NATSConfig with default values.

type NSQ added in v0.1.1 

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

NSQ - An output type that serves NSQ messages.

func (*NSQ) CloseAsync added in v0.1.1 

func (n *NSQ) CloseAsync()

CloseAsync - Shuts down the NSQ output and stops processing messages.

func (*NSQ) ResponseChan added in v0.1.1 

func (n *NSQ) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*NSQ) StartReceiving added in v0.1.1 

func (n *NSQ) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*NSQ) WaitForClose added in v0.1.1 

func (n *NSQ) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the NSQ output has closed down.

type NSQConfig added in v0.1.1 

type NSQConfig struct {
	Address     string `json:"nsqd_tcp_address" yaml:"nsqd_tcp_address"`
	Topic       string `json:"topic" yaml:"topic"`
	UserAgent   string `json:"user_agent" yaml:"user_agent"`
	MaxInFlight int    `json:"max_in_flight" yaml:"max_in_flight"`
}

NSQConfig - Configuration for the NSQ output type.

func NewNSQConfig added in v0.1.1 

func NewNSQConfig() NSQConfig

NewNSQConfig - Creates a new NSQConfig with default values.

type RoundRobinConfig 

type RoundRobinConfig struct {
	Outputs []interface{} `json:"outputs" yaml:"outputs"`
}

RoundRobinConfig - Configuration for the RoundRobin output type.

func NewRoundRobinConfig 

func NewRoundRobinConfig() RoundRobinConfig

NewRoundRobinConfig - Creates a new RoundRobinConfig with default values.

type ScaleProto 

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

ScaleProto - An output type that serves ScaleProto messages.

func (*ScaleProto) CloseAsync 

func (s *ScaleProto) CloseAsync()

CloseAsync - Shuts down the ScaleProto output and stops processing messages.

func (*ScaleProto) ResponseChan 

func (s *ScaleProto) ResponseChan() <-chan types.Response

ResponseChan - Returns the errors channel.

func (*ScaleProto) StartReceiving 

func (s *ScaleProto) StartReceiving(msgs <-chan types.Message) error

StartReceiving - Assigns a messages channel for the output to read.

func (*ScaleProto) WaitForClose 

func (s *ScaleProto) WaitForClose(timeout time.Duration) error

WaitForClose - Blocks until the ScaleProto output has closed down.

type ScaleProtoConfig 

type ScaleProtoConfig struct {
	Address         string `json:"address" yaml:"address"`
	Bind            bool   `json:"bind_address" yaml:"bind_address"`
	SocketType      string `json:"socket_type" yaml:"socket_type"`
	UseBenthosMulti bool   `json:"benthos_multi" yaml:"benthos_multi"`
	PollTimeoutMS   int    `json:"poll_timeout_ms" yaml:"poll_timeout_ms"`
}

ScaleProtoConfig - Configuration for the ScaleProto output type.

func NewScaleProtoConfig 

func NewScaleProtoConfig() ScaleProtoConfig

NewScaleProtoConfig - Creates a new ScaleProtoConfig with default values.

type Type 

type Type interface {
	types.Closable
	types.Consumer
}

Type - The standard interface of an output type.

func New added in v0.0.2 

func New(conf Config, log log.Modular, stats metrics.Type) (Type, error)

New - Create an input type based on an input configuration.

func NewAMQP added in v0.0.2 

func NewAMQP(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewAMQP - Create a new AMQP output type.

func NewFanOut 

func NewFanOut(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewFanOut - Create a new FanOut output type. Messages will be sent out to ALL outputs, outputs which block will apply backpressure upstream, meaning other outputs will also stop receiving messages.

func NewFile 

func NewFile(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewFile - Create a new File output type.

func NewHTTPClient 

func NewHTTPClient(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewHTTPClient - Create a new HTTPClient output type.

func NewHTTPServer 

func NewHTTPServer(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewHTTPServer - Create a new HTTPServer input type.

func NewKafka 

func NewKafka(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewKafka - Create a new Kafka output type.

func NewNATS added in v0.2.2 

func NewNATS(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewNATS - Create a new NATS output type.

func NewNSQ added in v0.1.1 

func NewNSQ(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewNSQ - Create a new NSQ output type.

func NewRoundRobin 

func NewRoundRobin(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewRoundRobin - Create a new RoundRobin output type. Messages will be sent out to an output chosen by following their original order. If an output blocks this will block all throughput.

func NewSTDOUT 

func NewSTDOUT(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewSTDOUT - Create a new STDOUT output type.

func NewScaleProto 

func NewScaleProto(conf Config, log log.Modular, stats metrics.Type) (Type, error)

NewScaleProto - Create a new ScaleProto output type.

type ZMQ4Config 

type ZMQ4Config struct{}

ZMQ4Config - Empty stub for when ZMQ4 is not compiled.

func NewZMQ4Config 

func NewZMQ4Config() *ZMQ4Config

NewZMQ4Config - Returns nil.

Source Files

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