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discard """
file: "tasyncawait.nim"
cmd: "nimrod cc --hints:on $# $#"
output: "5000"
"""
import asyncio2, sockets2, net, strutils
var disp = newDispatcher()
var msgCount = 0
const
swarmSize = 50
messagesToSend = 100
var clientCount = 0
proc sendMessages(disp: PDispatcher, client: TSocketHandle): PFuture[int] {.async.} =
for i in 0 .. <messagesToSend:
discard await disp.send(client, "Message " & $i & "\c\L")
proc launchSwarm(disp: PDispatcher, port: TPort): PFuture[int] {.async.} =
for i in 0 .. <swarmSize:
var sock = disp.socket()
#disp.register(sock)
discard await disp.connect(sock, "localhost", port)
when true:
discard await sendMessages(disp, sock)
disp.close(sock)
else:
# Issue #932: https://github.com/Araq/Nimrod/issues/932
var msgFut = sendMessages(disp, sock)
msgFut.callback =
proc () =
disp.close(sock)
proc readMessages(disp: PDispatcher, client: TSocketHandle): PFuture[int] {.async.} =
while true:
var line = await disp.recvLine(client)
if line == "":
disp.close(client)
clientCount.inc
break
else:
if line.startswith("Message "):
msgCount.inc
else:
doAssert false
proc createServer(disp: PDispatcher, port: TPort): PFuture[int] {.async.} =
var server = disp.socket()
#disp.register(server)
server.bindAddr(port)
server.listen()
while true:
discard readMessages(disp, await disp.accept(server))
discard disp.createServer(TPort(10335))
discard disp.launchSwarm(TPort(10335))
while true:
disp.poll()
if clientCount == swarmSize: break
assert msgCount == swarmSize * messagesToSend
echo msgCount
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