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https://github.com/vacp2p/nim-libp2p-experimental.git
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40 lines
1.1 KiB
Nim
40 lines
1.1 KiB
Nim
## Nim-LibP2P
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## Copyright (c) 2019 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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{.push raises: [Defect].}
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import chronos
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import ../stream/connection
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type
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LPProtoHandler* = proc (
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conn: Connection,
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proto: string):
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Future[void]
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{.gcsafe, raises: [Defect].}
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LPProtocol* = ref object of RootObj
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codecs*: seq[string]
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handler*: LPProtoHandler ## this handler gets invoked by the protocol negotiator
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started*: bool
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method init*(p: LPProtocol) {.base, gcsafe.} = discard
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method start*(p: LPProtocol) {.async, base.} = p.started = true
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method stop*(p: LPProtocol) {.async, base.} = p.started = false
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func codec*(p: LPProtocol): string =
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assert(p.codecs.len > 0, "Codecs sequence was empty!")
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p.codecs[0]
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func `codec=`*(p: LPProtocol, codec: string) =
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# always insert as first codec
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# if we use this abstraction
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p.codecs.insert(codec, 0)
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