67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// Package network is a package for defining a network overlay
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package network
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import (
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"github.com/micro/go-micro/config/options"
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)
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// Network defines a network interface. The network is a single
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// shared network between all nodes connected to it. The network
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// is responsible for routing messages to the correct services.
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type Network interface {
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options.Options
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// Id of the network
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Id() string
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// Connect to the network
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Connect() (Node, error)
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// Peer with a neighboring network
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Peer(Network) (Link, error)
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}
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// Node represents a single node on a network
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type Node interface {
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// Id of the node
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Id() string
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// Address of the node
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Address() string
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// The network of the node
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Network() string
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// Close the network connection
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Close() error
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// Accept messages on the network
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Accept() (*Message, error)
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// Send a message to the network
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Send(*Message) error
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}
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// Link is a connection between one network and another
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type Link interface {
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// remote node the link is peered with
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Node
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// length defines the speed or distance of the link
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Length() int
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// weight defines the saturation or usage of the link
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Weight() int
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}
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// Message is the base type for opaque data
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type Message struct {
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// Headers which provide local/remote info
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Header map[string]string
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// The opaque data being sent
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Body []byte
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}
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var (
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// The default network ID is local
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DefaultId = "local"
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// just the standard network element
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DefaultNetwork = NewNetwork()
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)
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// NewNetwork returns a new network interface
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func NewNetwork(opts ...options.Option) Network {
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return newNetwork(opts...)
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}
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