coreapi: swarm interface

License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>

swarm.go

+package iface
+
+import (
+	"time"
+
+	"context"
+	ma "gx/ipfs/QmWWQ2Txc2c6tqjsBpzg5Ar652cHPGNsQQp2SejkNmkUMb/go-multiaddr"
+	peer "gx/ipfs/QmZoWKhxUmZ2seW4BzX6fJkNR8hh9PsGModr7q171yq2SS/go-libp2p-peer"
+)
+
+// PeerInfo contains information about a peer
+type PeerInfo interface {
+	// ID returns PeerID
+	ID() peer.ID
+
+	// Address returns the multiaddress via which we are connected with the peer
+	Address() ma.Multiaddr
+
+	// Latency returns last known round trip time to the peer
+	Latency() time.Duration
+
+	// Streams returns list of streams established with the peer
+	// TODO: should this return multicodecs?
+	Streams() []string
+}
+
+// SwarmAPI specifies the interface to libp2p swarm
+type SwarmAPI interface {
+	// Connect to a given address
+	Connect(context.Context, ma.Multiaddr) error
+
+	// Disconnect from a given address
+	Disconnect(context.Context, ma.Multiaddr) error
+
+	// Peers returns the list of peers we are connected to
+	Peers(context.Context) ([]PeerInfo, error)
+}