45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
// Package tunnel provides gre network tunnelling
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package tunnel
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import (
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"github.com/micro/go-micro/transport"
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)
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// Tunnel creates a gre network tunnel on top of a link.
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// It establishes multiple streams using the Micro-Tunnel-Id header
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// and Micro-Tunnel-Session header. The tunnel id is a hash of
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// the address being requested.
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type Tunnel interface {
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Init(opts ...Option) error
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// Connect connects the tunnel
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Connect() error
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// Close closes the tunnel
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Close() error
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// Dial an endpoint
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Dial(addr string) (Conn, error)
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// Accept connections
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Listen(addr string) (Listener, error)
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}
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// The listener provides similar constructs to the transport.Listener
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type Listener interface {
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Addr() string
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Close() error
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Accept() (Conn, error)
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}
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// Conn is a connection dialed or accepted which includes the tunnel id and session
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type Conn interface {
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// Specifies the tunnel id
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Id() string
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// The session
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Session() string
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// a transport socket
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transport.Socket
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}
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// NewTunnel creates a new tunnel
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func NewTunnel(opts ...Option) Tunnel {
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return newTunnel(opts...)
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}
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