Hanno Cornelius 2d43b30926 Add ping protocol support and use for keep-alive (#621)
* Add ping protocol support and use for keep-alive

* Separate WakuPeerStore from libp2p PeerStore

* Revert silly test timeout
2021-06-15 10:55:47 +02:00

60 lines
1.6 KiB
Nim

{.push raises: [Defect].}
import
std/[tables, sequtils, sets],
libp2p/builders,
libp2p/peerstore
export peerstore, builders
type
Connectedness* = enum
# NotConnected: default state for a new peer. No connection and no further information on connectedness.
NotConnected,
# CannotConnect: attempted to connect to peer, but failed.
CannotConnect,
# CanConnect: was recently connected to peer and disconnected gracefully.
CanConnect,
# Connected: actively connected to peer.
Connected
ConnectionBook* = object of PeerBook[Connectedness]
DisconnectBook* = object of PeerBook[int64] # Keeps track of when peers were disconnected in Unix timestamps
WakuPeerStore* = ref object
addressBook*: AddressBook
protoBook*: ProtoBook
keyBook*: KeyBook
connectionBook*: ConnectionBook
disconnectBook*: DisconnectBook
proc new*(T: type WakuPeerStore): WakuPeerStore =
var p: WakuPeerStore
new(p)
return p
##################
# Peer Store API #
##################
proc get*(peerStore: WakuPeerStore,
peerId: PeerID): StoredInfo =
## Get the stored information of a given peer.
StoredInfo(
peerId: peerId,
addrs: peerStore.addressBook.get(peerId),
protos: peerStore.protoBook.get(peerId),
publicKey: peerStore.keyBook.get(peerId)
)
proc peers*(peerStore: WakuPeerStore): seq[StoredInfo] =
## Get all the stored information of every peer.
let allKeys = concat(toSeq(keys(peerStore.addressBook.book)),
toSeq(keys(peerStore.protoBook.book)),
toSeq(keys(peerStore.keyBook.book))).toHashSet()
return allKeys.mapIt(peerStore.get(it))