nim-websock/examples/server.nim
2021-06-20 14:34:49 +07:00

70 lines
2.0 KiB
Nim

## nim-ws
## Copyright (c) 2021 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 std/uri
import pkg/[chronos,
chronicles,
httputils]
import ../ws/ws
import ../tests/keys
proc handle(request: HttpRequest) {.async.} =
trace "Handling request:", uri = request.uri.path
let path = when defined tls: "/wss" else: "/ws"
if request.uri.path != path:
return
trace "Initiating web socket connection."
try:
let server = WSServer.new()
let ws = await server.handleRequest(request)
if ws.readyState != Open:
error "Failed to open websocket connection"
return
trace "Websocket handshake completed"
while ws.readyState != ReadyState.Closed:
let recvData = await ws.recv()
trace "Client Response: ", size = recvData.len, binary = ws.binary
await ws.send(recvData,
if ws.binary: Opcode.Binary else: Opcode.Text)
except WebSocketError as exc:
error "WebSocket error:", exception = exc.msg
when isMainModule:
# we want to run parallel tests in CI
# so we are using different port
const serverAddr = when defined tls:
"127.0.0.1:8889"
else:
"127.0.0.1:8888"
proc main() {.async.} =
let
address = initTAddress(serverAddr)
socketFlags = {ServerFlags.TcpNoDelay, ServerFlags.ReuseAddr}
server = when defined tls:
TlsHttpServer.create(
address = address,
handler = handle,
tlsPrivateKey = TLSPrivateKey.init(SecureKey),
tlsCertificate = TLSCertificate.init(SecureCert),
flags = socketFlags)
else:
HttpServer.create(address, handle, flags = socketFlags)
server.start()
trace "Server listening on ", data = $server.localAddress()
await server.join()
waitFor(main())