nim-websock/examples/autobahn_client.nim

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import
std/[strutils],
pkg/[chronos, chronicles, stew/byteutils],
../ws/[ws, types, frame]
type
Arg = object
host: string
port: Port
path: string
proc getCaseCount(arg: Arg): Future[int] {.async.} =
let path = arg.path & "/getCaseCount"
var caseCount = 0
block:
try:
let ws = await WebSocket.connect(arg.host, arg.port, path)
let buff = await ws.recv()
if buff.len <= 0:
break
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(arg: Arg) {.async.} =
let path = arg.path & "/updateReports?agent=nim-ws"
try:
let ws = await WebSocket.connect(arg.host, arg.port, path)
while true:
let buff = await ws.recv()
if buff.len <= 0:
break
await ws.close()
except WebSocketError as exc:
error "WebSocket error", exception = exc.msg
proc main() {.async.} =
let arg = Arg(host: "127.0.0.1", port: Port(9001))
let caseCount = await getCaseCount(arg)
notice "case count", count=caseCount
for i in 1..caseCount:
let path = "$1/runCase?case=$2&agent=nim-ws" % [arg.path, $i]
try:
let ws = await WebSocket.connect(arg.host, arg.port, path)
# echo back
while true:
let data = await ws.recv()
if data.len <= 0:
break
await ws.send(data, if ws.binary: Opcode.Binary else: Opcode.Text)
await ws.close()
except WebSocketError as exc:
error "WebSocket error", exception = exc.msg
await generateReport(arg)
waitFor main()