nim-websock/examples/client.nim

55 lines
1.2 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 pkg/[
chronos,
chronicles,
stew/byteutils]
import ../ws/ws
proc main() {.async.} =
let ws = when defined tls:
await WebSocket.connect(
"127.0.0.1",
Port(8888),
path = "/wss",
flags = {TLSFlags.NoVerifyHost, TLSFlags.NoVerifyServerName})
else:
await WebSocket.connect(
"127.0.0.1",
Port(8888),
path = "/ws")
trace "Websocket client: ", State = ws.readyState
let reqData = "Hello Server"
while true:
try:
await ws.send(reqData)
let buff = await ws.recv()
if buff.len <= 0:
break
let dataStr = string.fromBytes(buff)
trace "Server Response: ", data = dataStr
assert dataStr == reqData
break
except WebSocketError as exc:
error "WebSocket error:", exception = exc.msg
raise exc
await sleepAsync(100.millis)
# close the websocket
await ws.close()
waitFor(main())