2019-06-18 13:56:11 +03:00
|
|
|
// Package network is a package for defining a network overlay
|
2019-06-17 18:57:53 +03:00
|
|
|
package network
|
|
|
|
|
|
|
|
import (
|
|
|
|
"github.com/micro/go-micro/config/options"
|
|
|
|
)
|
|
|
|
|
2019-06-22 18:51:20 +03:00
|
|
|
// Network is an interface defining a network
|
2019-06-17 18:57:53 +03:00
|
|
|
type Network interface {
|
|
|
|
options.Options
|
2019-06-18 13:56:11 +03:00
|
|
|
// Id of this node
|
2019-06-22 18:51:20 +03:00
|
|
|
Id() string
|
|
|
|
// Connect to the network
|
|
|
|
Connect() (Node, error)
|
|
|
|
// Peer with a neighboring network
|
|
|
|
Peer(Network) (Link, error)
|
2019-06-18 13:56:11 +03:00
|
|
|
// Retrieve list of connections
|
|
|
|
Links() ([]Link, error)
|
2019-06-17 18:57:53 +03:00
|
|
|
}
|
|
|
|
|
2019-06-22 18:51:20 +03:00
|
|
|
// Node represents a single node on a network
|
2019-06-17 18:57:53 +03:00
|
|
|
type Node interface {
|
2019-06-17 23:11:39 +03:00
|
|
|
// Node is a network. Network is a node.
|
|
|
|
Network
|
2019-06-22 21:02:57 +03:00
|
|
|
// Address of the node
|
|
|
|
Address() string
|
|
|
|
// Close the network connection
|
|
|
|
Close() error
|
|
|
|
// Accept messages on the network
|
|
|
|
Accept() (*Message, error)
|
|
|
|
// Send a message to the network
|
|
|
|
Send(*Message) error
|
2019-06-17 18:57:53 +03:00
|
|
|
}
|
|
|
|
|
2019-06-22 18:51:20 +03:00
|
|
|
// Link is a connection between one network and another
|
2019-06-18 13:56:11 +03:00
|
|
|
type Link interface {
|
2019-06-22 18:51:20 +03:00
|
|
|
// remote node the link is to
|
2019-06-18 13:56:11 +03:00
|
|
|
Node
|
|
|
|
// length of link which dictates speed
|
|
|
|
Length() int
|
|
|
|
// weight of link which dictates curvature
|
|
|
|
Weight() int
|
2019-06-17 18:57:53 +03:00
|
|
|
}
|
2019-06-17 20:25:42 +03:00
|
|
|
|
2019-06-18 13:56:11 +03:00
|
|
|
// Message is the base type for opaque data
|
2019-06-22 18:51:20 +03:00
|
|
|
type Message struct {
|
|
|
|
// Headers which provide local/remote info
|
|
|
|
Header map[string]string
|
|
|
|
// The opaque data being sent
|
|
|
|
Data []byte
|
|
|
|
}
|
2019-06-18 13:56:11 +03:00
|
|
|
|
2019-06-17 20:25:42 +03:00
|
|
|
var (
|
2019-06-26 18:12:57 +03:00
|
|
|
// The default network ID is local
|
|
|
|
DefaultNetworkId = "local"
|
|
|
|
|
|
|
|
// just the standard network element
|
|
|
|
DefaultNetwork = NewNetwork()
|
2019-06-17 20:25:42 +03:00
|
|
|
)
|
2019-06-26 18:12:57 +03:00
|
|
|
|
|
|
|
// NewNetwork returns a new network
|
|
|
|
func NewNetwork(opts ...options.Option) Network {
|
|
|
|
options := options.NewOptions(opts...)
|
|
|
|
|
|
|
|
// get router
|
|
|
|
|
|
|
|
// get proxy
|
|
|
|
|
|
|
|
return &network{
|
|
|
|
Options: options,
|
|
|
|
// fill the blanks
|
|
|
|
// router: r,
|
|
|
|
// proxy: p,
|
|
|
|
}
|
|
|
|
}
|