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transport.go
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transport.go
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// Package is an interface for synchronous communication
package transport
import (
"time"
)
type Message struct {
Header map[string]string
Body []byte
}
type Socket interface {
Recv(*Message) error
Send(*Message) error
Close() error
}
type Client interface {
Socket
}
type Listener interface {
Addr() string
Close() error
Accept(func(Socket)) error
}
// Transport is an interface which is used for communication between
// services. It uses socket send/recv semantics and had various
// implementations {HTTP, RabbitMQ, NATS, ...}
type Transport interface {
Dial(addr string, opts ...DialOption) (Client, error)
Listen(addr string, opts ...ListenOption) (Listener, error)
String() string
}
type Option func(*Options)
type DialOption func(*DialOptions)
type ListenOption func(*ListenOptions)
var (
DefaultTransport Transport = newHTTPTransport()
DefaultDialTimeout = time.Second * 5
)
func NewTransport(opts ...Option) Transport {
return newHTTPTransport(opts...)
}
func Dial(addr string, opts ...DialOption) (Client, error) {
return DefaultTransport.Dial(addr, opts...)
}
func Listen(addr string, opts ...ListenOption) (Listener, error) {
return DefaultTransport.Listen(addr, opts...)
}
func String() string {
return DefaultTransport.String()
}