nim-libp2p/libp2p/tcptransport.nim

49 lines
1.5 KiB
Nim
Raw Normal View History

## 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
import transport, wire, connection, multiaddress, connection, multicodec
type TcpTransport* = ref object of Transport
server*: StreamServer
proc connCb(server: StreamServer,
2019-08-21 19:15:51 +00:00
client: StreamTransport) {.gcsafe, async.} =
2019-08-21 22:53:16 +00:00
let t: Transport = cast[Transport](server.udata)
discard t.connHandler(server, client)
method init*(t: TcpTransport) =
t.multicodec = multiCodec("tcp")
method close*(t: TcpTransport): Future[void] {.async.} =
## start the transport
await procCall Transport(t).close() # call base
2019-08-21 22:53:16 +00:00
t.server.stop()
await t.server.closeWait()
method listen*(t: TcpTransport, ma: MultiAddress, handler: ConnHandler): Future[void] {.async.} =
await procCall Transport(t).listen(ma, handler) # call base
## listen on the transport
let listenFuture: Future[void] = newFuture[void]()
result = listenFuture
2019-08-21 19:15:51 +00:00
let server = createStreamServer(t.ma, connCb, {}, t)
t.server = server
2019-08-21 04:58:12 +00:00
server.start()
listenFuture.complete()
2019-08-21 22:53:16 +00:00
method dial*(t: TcpTransport, address: MultiAddress): Future[Connection] {.async.} =
## dial a peer
let client: StreamTransport = await connect(address)
2019-08-21 22:53:16 +00:00
result = await t.connHandler(t.server, client)
method supports(t: Transport, address: MultiAddress): bool = true