nim-libp2p/libp2p/protocols/pubsub/rpc/messages.nim

110 lines
2.5 KiB
Nim

## Nim-LibP2P
## Copyright (c) 2019 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import options, sequtils
import ../../../utility
import ../../../peerid
export options
type
SubOpts* = object
subscribe*: bool
topic*: string
Message* = object
fromPeer*: PeerId
data*: seq[byte]
seqno*: seq[byte]
topicIDs*: seq[string]
signature*: seq[byte]
key*: seq[byte]
ControlMessage* = object
ihave*: seq[ControlIHave]
iwant*: seq[ControlIWant]
graft*: seq[ControlGraft]
prune*: seq[ControlPrune]
ControlIHave* = object
topicID*: string
messageIDs*: seq[string]
ControlIWant* = object
messageIDs*: seq[string]
ControlGraft* = object
topicID*: string
ControlPrune* = object
topicID*: string
RPCMsg* = object
subscriptions*: seq[SubOpts]
messages*: seq[Message]
control*: Option[ControlMessage]
func withSubs*(
T: type RPCMsg, topics: openArray[string], subscribe: bool): T =
T(
subscriptions: topics.mapIt(SubOpts(subscribe: subscribe, topic: it)))
func shortLog*(s: ControlIHave): auto =
(
topicID: s.topicID.shortLog,
messageIDs: mapIt(s.messageIDs, it.shortLog)
)
func shortLog*(s: ControlIWant): auto =
(
messageIDs: mapIt(s.messageIDs, it.shortLog)
)
func shortLog*(s: ControlGraft): auto =
(
topicID: s.topicID.shortLog
)
func shortLog*(s: ControlPrune): auto =
(
topicID: s.topicID.shortLog
)
func shortLog*(c: ControlMessage): auto =
(
ihave: mapIt(c.ihave, it.shortLog),
iwant: mapIt(c.iwant, it.shortLog),
graft: mapIt(c.graft, it.shortLog),
prune: mapIt(c.prune, it.shortLog)
)
func shortLog*(msg: Message): auto =
(
fromPeer: msg.fromPeer,
data: msg.data.shortLog,
seqno: msg.seqno.shortLog,
topicIDs: $msg.topicIDs,
signature: msg.signature.shortLog,
key: msg.key.shortLog
)
func shortLog*(m: RPCMsg): auto =
if m.control.isSome:
(
subscriptions: m.subscriptions,
messages: mapIt(m.messages, it.shortLog),
control: m.control.get().shortLog
)
else:
(
subscriptions: m.subscriptions,
messages: mapIt(m.messages, it.shortLog),
control: ControlMessage().shortLog
)