mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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118 lines
3.7 KiB
Go
118 lines
3.7 KiB
Go
// Package mocknet provides a mock net.Network to test with.
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//
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// - a Mocknet has many network.Networks
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// - a Mocknet has many Links
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// - a Link joins two network.Networks
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// - network.Conns and network.Streams are created by network.Networks
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package mocknet
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import (
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"io"
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"time"
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"github.com/libp2p/go-libp2p/core/connmgr"
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ic "github.com/libp2p/go-libp2p/core/crypto"
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"github.com/libp2p/go-libp2p/core/host"
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"github.com/libp2p/go-libp2p/core/network"
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"github.com/libp2p/go-libp2p/core/peer"
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"github.com/libp2p/go-libp2p/core/peerstore"
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ma "github.com/multiformats/go-multiaddr"
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)
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type PeerOptions struct {
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// ps is the Peerstore to use when adding peer. If nil, a default peerstore will be created.
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ps peerstore.Peerstore
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// gater is the ConnectionGater to use when adding a peer. If nil, no connection gater will be used.
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gater connmgr.ConnectionGater
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}
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type Mocknet interface {
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// GenPeer generates a peer and its network.Network in the Mocknet
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GenPeer() (host.Host, error)
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GenPeerWithOptions(PeerOptions) (host.Host, error)
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// AddPeer adds an existing peer. we need both a privkey and addr.
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// ID is derived from PrivKey
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AddPeer(ic.PrivKey, ma.Multiaddr) (host.Host, error)
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AddPeerWithPeerstore(peer.ID, peerstore.Peerstore) (host.Host, error)
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AddPeerWithOptions(peer.ID, PeerOptions) (host.Host, error)
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// retrieve things (with randomized iteration order)
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Peers() []peer.ID
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Net(peer.ID) network.Network
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Nets() []network.Network
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Host(peer.ID) host.Host
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Hosts() []host.Host
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Links() LinkMap
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LinksBetweenPeers(a, b peer.ID) []Link
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LinksBetweenNets(a, b network.Network) []Link
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// Links are the **ability to connect**.
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// think of Links as the physical medium.
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// For p1 and p2 to connect, a link must exist between them.
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// (this makes it possible to test dial failures, and
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// things like relaying traffic)
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LinkPeers(peer.ID, peer.ID) (Link, error)
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LinkNets(network.Network, network.Network) (Link, error)
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Unlink(Link) error
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UnlinkPeers(peer.ID, peer.ID) error
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UnlinkNets(network.Network, network.Network) error
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// LinkDefaults are the default options that govern links
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// if they do not have their own option set.
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SetLinkDefaults(LinkOptions)
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LinkDefaults() LinkOptions
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// Connections are the usual. Connecting means Dialing.
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// **to succeed, peers must be linked beforehand**
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ConnectPeers(peer.ID, peer.ID) (network.Conn, error)
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ConnectNets(network.Network, network.Network) (network.Conn, error)
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DisconnectPeers(peer.ID, peer.ID) error
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DisconnectNets(network.Network, network.Network) error
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LinkAll() error
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ConnectAllButSelf() error
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io.Closer
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}
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// LinkOptions are used to change aspects of the links.
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// Sorry but they dont work yet :(
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type LinkOptions struct {
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Latency time.Duration
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Bandwidth float64 // in bytes-per-second
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// we can make these values distributions down the road.
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}
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// Link represents the **possibility** of a connection between
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// two peers. Think of it like physical network links. Without
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// them, the peers can try and try but they won't be able to
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// connect. This allows constructing topologies where specific
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// nodes cannot talk to each other directly. :)
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type Link interface {
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Networks() []network.Network
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Peers() []peer.ID
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SetOptions(LinkOptions)
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Options() LinkOptions
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// Metrics() Metrics
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}
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// LinkMap is a 3D map to give us an easy way to track links.
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// (wow, much map. so data structure. how compose. ahhh pointer)
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type LinkMap map[string]map[string]map[Link]struct{}
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// Printer lets you inspect things :)
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type Printer interface {
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// MocknetLinks shows the entire Mocknet's link table :)
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MocknetLinks(mn Mocknet)
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NetworkConns(ni network.Network)
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}
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// PrinterTo returns a Printer ready to write to w.
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func PrinterTo(w io.Writer) Printer {
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return &printer{w}
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}
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