nim-websock/examples/autobahn_client.nim

100 lines
2.6 KiB
Nim

## nim-websock
## 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/[strutils],
pkg/[chronos, chronicles, stew/byteutils],
../websock/[websock, types, frame, extensions/compression/deflate]
const
clientFlags = {NoVerifyHost, NoVerifyServerName}
# we want to run parallel tests in CI,
# so we are using different port
when defined tls:
const
agent = "websock-secure-client"
secure = true
serverPort = 9002
else:
const
agent = "websock-client"
secure = false
serverPort = 9001
proc connectServer(path: string, factories: seq[ExtFactory] = @[]): Future[WSSession] {.async.} =
let ws = await WebSocket.connect(
host = "127.0.0.1:$1" % [$serverPort],
path = path,
secure = secure,
flags = clientFlags,
factories = factories
)
return ws
proc getCaseCount(): Future[int] {.async.} =
var caseCount = 0
block:
try:
let ws = await connectServer("/getCaseCount")
let buff = await ws.recvMsg()
let dataStr = string.fromBytes(buff)
caseCount = parseInt(dataStr)
await ws.close()
break
except WebSocketError as exc:
error "WebSocket error", exception = exc.msg
except ValueError as exc:
error "ParseInt error", exception = exc.msg
return caseCount
proc generateReport() {.async.} =
try:
trace "request autobahn server to generate report"
let ws = await connectServer("/updateReports?agent=" & agent)
while true:
let buff = await ws.recvMsg()
if buff.len <= 0:
break
await ws.close()
except WebSocketError as exc:
error "WebSocket error", exception = exc.msg
proc main() {.async.} =
let caseCount = await getCaseCount()
trace "case count", count=caseCount
var deflateFactory = @[deflateFactory()]
for i in 1..caseCount:
trace "runcase", no=i
let path = "/runCase?case=$1&agent=$2" % [$i, agent]
try:
let ws = await connectServer(path, deflateFactory)
while ws.readyState != ReadyState.Closed:
# echo back
let data = await ws.recvMsg()
let opCode = if ws.binary:
Opcode.Binary
else:
Opcode.Text
if ws.readyState == ReadyState.Closed:
break
await ws.send(data, opCode)
except WebSocketError as exc:
error "WebSocket error", exception = exc.msg
await generateReport()
waitFor main()