mirror of https://github.com/vacp2p/nim-libp2p.git
43 lines
1.2 KiB
Nim
43 lines
1.2 KiB
Nim
# Nim-LibP2P
|
|
# Copyright (c) 2022 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.
|
|
|
|
when (NimMajor, NimMinor) < (1, 4):
|
|
{.push raises: [Defect].}
|
|
else:
|
|
{.push raises: [].}
|
|
|
|
import chronos
|
|
import ../stream/connection
|
|
|
|
type
|
|
LPProtoHandler* = proc (
|
|
conn: Connection,
|
|
proto: string):
|
|
Future[void]
|
|
{.gcsafe, raises: [Defect].}
|
|
|
|
LPProtocol* = ref object of RootObj
|
|
codecs*: seq[string]
|
|
handler*: LPProtoHandler ## this handler gets invoked by the protocol negotiator
|
|
started*: bool
|
|
|
|
method init*(p: LPProtocol) {.base, gcsafe.} = discard
|
|
method start*(p: LPProtocol) {.async, base.} = p.started = true
|
|
method stop*(p: LPProtocol) {.async, base.} = p.started = false
|
|
|
|
|
|
func codec*(p: LPProtocol): string =
|
|
assert(p.codecs.len > 0, "Codecs sequence was empty!")
|
|
p.codecs[0]
|
|
|
|
func `codec=`*(p: LPProtocol, codec: string) =
|
|
# always insert as first codec
|
|
# if we use this abstraction
|
|
p.codecs.insert(codec, 0)
|