32 lines
977 B
Nim
32 lines
977 B
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 chronos
|
|
import ../stream/connection
|
|
|
|
type
|
|
LPProtoHandler* = proc (conn: Connection,
|
|
proto: string):
|
|
Future[void] {.gcsafe, closure.}
|
|
|
|
LPProtocol* = ref object of RootObj
|
|
codecs*: seq[string]
|
|
handler*: LPProtoHandler ## this handler gets invoked by the protocol negotiator
|
|
|
|
method init*(p: LPProtocol) {.base, gcsafe.} = discard
|
|
|
|
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)
|