43 lines
1.2 KiB
Nim
43 lines
1.2 KiB
Nim
# Nim-LibP2P
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# Copyright (c) 2022 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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when (NimMajor, NimMinor) < (1, 4):
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{.push raises: [Defect].}
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else:
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{.push raises: [].}
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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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