63 lines
1.9 KiB
Nim
63 lines
1.9 KiB
Nim
## Nim-LibP2P
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## Copyright (c) 2018 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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import sequtils
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import chronos
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import peerinfo, connection, multiaddress, multicodec
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type
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ConnHandler* = proc (conn: Connection): Future[void] {.gcsafe.}
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ConnHolder* = object
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connection*: Connection
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connFuture*: Future[void]
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Transport* = ref object of RootObj
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ma*: Multiaddress
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connections*: seq[ConnHolder]
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handler*: ConnHandler
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multicodec*: MultiCodec
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method init*(t: Transport) {.base, gcsafe.} =
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## perform protocol initialization
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discard
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proc newTransport*(t: typedesc[Transport]): t {.gcsafe.} =
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new result
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result.init()
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method close*(t: Transport) {.base, async, gcsafe.} =
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## stop and cleanup the transport
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## including all outstanding connections
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await allFutures(t.connections.mapIt(it.connection.close()))
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method listen*(t: Transport,
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ma: MultiAddress,
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handler: ConnHandler) {.base, async, gcsafe.} =
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## listen for incoming connections
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t.ma = ma
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t.handler = handler
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method dial*(t: Transport,
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address: MultiAddress):
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Future[Connection] {.base, async, gcsafe.} =
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## dial a peer
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discard
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method upgrade*(t: Transport) {.base, async, gcsafe.} =
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## base upgrade method that the transport uses to perform
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## transport specific upgrades
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discard
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method handles*(t: Transport, address: MultiAddress): bool {.base, gcsafe.} =
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## check if transport supportes the multiaddress
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# TODO: this should implement generic logic that would use the multicodec
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# declared in the multicodec field and set by each individual transport
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discard
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