transport

package
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Published: Apr 8, 2018 License: Apache-2.0 Imports: 17 Imported by: 0

Documentation

Overview

Package is an interface for synchronous communication

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func String

func String() string

Types

type Client

type Client interface {
	Socket
}

func Dial

func Dial(addr string, opts ...DialOption) (Client, error)

type DialOption

type DialOption func(*DialOptions)

func WithStream

func WithStream() DialOption

Indicates whether this is a streaming connection

func WithTimeout

func WithTimeout(d time.Duration) DialOption

Timeout used when dialling the remote side

type DialOptions

type DialOptions struct {
	Stream  bool
	Timeout time.Duration

	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type ListenOption

type ListenOption func(*ListenOptions)

type ListenOptions

type ListenOptions struct {

	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type Listener

type Listener interface {
	Addr() string
	Close() error
	Accept(func(Socket)) error
}

func Listen

func Listen(addr string, opts ...ListenOption) (Listener, error)

type Message

type Message struct {
	Header map[string]string
	Body   []byte
}

type Option

type Option func(*Options)

func Addrs

func Addrs(addrs ...string) Option

Addrs to use for transport

func Codec

func Codec(c codec.Codec) Option

Codec sets the codec used for encoding where the transport does not support message headers

func Secure

func Secure(b bool) Option

Use secure communication. If TLSConfig is not specified we use InsecureSkipVerify and generate a self signed cert

func TLSConfig

func TLSConfig(t *tls.Config) Option

TLSConfig to be used for the transport.

func Timeout

func Timeout(t time.Duration) Option

Timeout sets the timeout for Send/Recv execution

type Options

type Options struct {
	Addrs     []string
	Codec     codec.Codec
	Secure    bool
	TLSConfig *tls.Config
	// Timeout sets the timeout for Send/Recv
	Timeout time.Duration
	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type Socket

type Socket interface {
	Recv(*Message) error
	Send(*Message) error
	Close() error
}

type Transport

type Transport interface {
	Dial(addr string, opts ...DialOption) (Client, error)
	Listen(addr string, opts ...ListenOption) (Listener, error)
	String() string
}

Transport is an interface which is used for communication between services. It uses socket send/recv semantics and had various implementations {HTTP, RabbitMQ, NATS, ...}

var (
	DefaultTransport Transport = newHTTPTransport()

	DefaultDialTimeout = time.Second * 5
)

func NewTransport

func NewTransport(opts ...Option) Transport

Directories

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