nim-libp2p/libp2p/connection.nim

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## Nim-LibP2P
## Copyright (c) 2018 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, peerinfo, multiaddress
const DefaultReadSize = 1024
type
Connection* = ref object of RootObj
reader: AsyncStreamReader
writter: AsyncStreamWriter
proc newConnection*(reader: AsyncStreamReader, writter: AsyncStreamWriter): Connection =
## create a new Connection for the specified async stream reader/writter
new result
result.reader = reader
result.writter = writter
2019-08-21 04:58:12 +00:00
method read* (c: Connection, size: int = DefaultReadSize): Future[seq[byte]] {.base, async, gcsafe.} =
## read DefaultReadSize (1024) bytes or `size` bytes if specified
result = await c.reader.read(size)
method write* (c: Connection, data: pointer, size: int): Future[void] {.base, async.} =
## write bytes pointed to by `data` up to `size` size
result = c.writter.write(data, size)
method close* (c: Connection): Future[void] {.base, async.} =
## close connection
## TODO: figure out how to correctly close the streams and underlying resource
discard
method getPeerInfo* (c: Connection): Future[PeerInfo] {.base, async.} =
## get up to date peer info
## TODO: implement PeerInfo refresh over identify
discard
method getObservedAddrs(c: Connection): Future[seq[MultiAddress]] {.base, async.} =
## get resolved multiaddresses for the connection
discard