508 lines
17 KiB
Nim
508 lines
17 KiB
Nim
# Chronos Test Suite
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# (c) Copyright 2018-Present
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# Status Research & Development GmbH
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#
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# Licensed under either of
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# Apache License, version 2.0, (LICENSE-APACHEv2)
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# MIT license (LICENSE-MIT)
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import strutils, net, unittest
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import ../chronos
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suite "Datagram Transport test suite":
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const
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TestsCount = 2000
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ClientsCount = 20
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MessagesCount = 20
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m1 = "sendTo(pointer) test (" & $TestsCount & " messages)"
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m2 = "send(pointer) test (" & $TestsCount & " messages)"
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m3 = "sendTo(string) test (" & $TestsCount & " messages)"
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m4 = "send(string) test (" & $TestsCount & " messages)"
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m5 = "sendTo(seq[byte]) test (" & $TestsCount & " messages)"
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m6 = "send(seq[byte]) test (" & $TestsCount & " messages)"
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m7 = "Unbounded multiple clients with messages (" & $ClientsCount &
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" clients x " & $MessagesCount & " messages)"
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m8 = "Bounded multiple clients with messages (" & $ClientsCount &
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" clients x " & $MessagesCount & " messages)"
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proc client1(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("REQUEST"):
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var numstr = data[7..^1]
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var num = parseInt(numstr)
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var ans = "ANSWER" & $num
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await transp.sendTo(raddr, addr ans[0], len(ans))
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else:
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var err = "ERROR"
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await transp.sendTo(raddr, addr err[0], len(err))
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client2(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == TestsCount:
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transp.close()
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else:
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var ta = initTAddress("127.0.0.1:33336")
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var req = "REQUEST" & $counterPtr[]
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await transp.sendTo(ta, addr req[0], len(req))
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client3(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == TestsCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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await transp.send(addr req[0], len(req))
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client4(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == MessagesCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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await transp.send(addr req[0], len(req))
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client5(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == MessagesCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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await transp.sendTo(raddr, addr req[0], len(req))
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client6(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("REQUEST"):
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var numstr = data[7..^1]
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var num = parseInt(numstr)
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var ans = "ANSWER" & $num
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await transp.sendTo(raddr, ans)
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else:
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var err = "ERROR"
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await transp.sendTo(raddr, err)
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client7(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == TestsCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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await transp.sendTo(raddr, req)
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client8(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == TestsCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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await transp.send(req)
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client9(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("REQUEST"):
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var numstr = data[7..^1]
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var num = parseInt(numstr)
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var ans = "ANSWER" & $num
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var ansseq = newSeq[byte](len(ans))
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copyMem(addr ansseq[0], addr ans[0], len(ans))
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await transp.sendTo(raddr, ansseq)
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else:
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var err = "ERROR"
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var errseq = newSeq[byte](len(err))
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copyMem(addr errseq[0], addr err[0], len(err))
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await transp.sendTo(raddr, errseq)
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client10(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == TestsCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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var reqseq = newSeq[byte](len(req))
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copyMem(addr reqseq[0], addr req[0], len(req))
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await transp.sendTo(raddr, reqseq)
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc client11(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var pbytes = transp.getMessage()
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var nbytes = len(pbytes)
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if nbytes > 0:
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var data = newString(nbytes + 1)
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copyMem(addr data[0], addr pbytes[0], nbytes)
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data.setLen(nbytes)
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if data.startsWith("ANSWER"):
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = counterPtr[] + 1
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if counterPtr[] == TestsCount:
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transp.close()
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else:
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var req = "REQUEST" & $counterPtr[]
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var reqseq = newSeq[byte](len(req))
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copyMem(addr reqseq[0], addr req[0], len(req))
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await transp.send(reqseq)
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else:
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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else:
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## Read operation failed with error
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var counterPtr = cast[ptr int](transp.udata)
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counterPtr[] = -1
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transp.close()
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proc testPointerSendTo(): Future[int] {.async.} =
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## sendTo(pointer) test
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var ta = initTAddress("127.0.0.1:33336")
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var counter = 0
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var dgram1 = newDatagramTransport(client1, udata = addr counter, local = ta)
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var dgram2 = newDatagramTransport(client2, udata = addr counter)
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var data = "REQUEST0"
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await dgram2.sendTo(ta, addr data[0], len(data))
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await dgram2.join()
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dgram1.close()
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await dgram1.join()
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result = counter
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proc testPointerSend(): Future[int] {.async.} =
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## send(pointer) test
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var ta = initTAddress("127.0.0.1:33337")
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var counter = 0
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var dgram1 = newDatagramTransport(client1, udata = addr counter, local = ta)
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var dgram2 = newDatagramTransport(client3, udata = addr counter, remote = ta)
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var data = "REQUEST0"
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await dgram2.send(addr data[0], len(data))
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await dgram2.join()
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dgram1.close()
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await dgram1.join()
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result = counter
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proc testStringSendTo(): Future[int] {.async.} =
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## sendTo(string) test
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var ta = initTAddress("127.0.0.1:33338")
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var counter = 0
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var dgram1 = newDatagramTransport(client6, udata = addr counter, local = ta)
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var dgram2 = newDatagramTransport(client7, udata = addr counter)
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var data = "REQUEST0"
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await dgram2.sendTo(ta, data)
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await dgram2.join()
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dgram1.close()
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await dgram1.join()
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result = counter
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proc testStringSend(): Future[int] {.async.} =
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## send(string) test
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var ta = initTAddress("127.0.0.1:33339")
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var counter = 0
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var dgram1 = newDatagramTransport(client6, udata = addr counter, local = ta)
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var dgram2 = newDatagramTransport(client8, udata = addr counter, remote = ta)
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var data = "REQUEST0"
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await dgram2.send(data)
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await dgram2.join()
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dgram1.close()
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await dgram1.join()
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result = counter
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proc testSeqSendTo(): Future[int] {.async.} =
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## sendTo(string) test
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var ta = initTAddress("127.0.0.1:33340")
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var counter = 0
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var dgram1 = newDatagramTransport(client9, udata = addr counter, local = ta)
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var dgram2 = newDatagramTransport(client10, udata = addr counter)
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var data = "REQUEST0"
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var dataseq = newSeq[byte](len(data))
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copyMem(addr dataseq[0], addr data[0], len(data))
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await dgram2.sendTo(ta, dataseq)
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await dgram2.join()
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dgram1.close()
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await dgram1.join()
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result = counter
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proc testSeqSend(): Future[int] {.async.} =
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## send(seq) test
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var ta = initTAddress("127.0.0.1:33341")
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var counter = 0
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var dgram1 = newDatagramTransport(client9, udata = addr counter, local = ta)
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var dgram2 = newDatagramTransport(client11, udata = addr counter, remote = ta)
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var data = "REQUEST0"
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var dataseq = newSeq[byte](len(data))
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copyMem(addr dataseq[0], addr data[0], len(data))
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await dgram2.send(data)
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await dgram2.join()
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dgram1.close()
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await dgram1.join()
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result = counter
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#
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proc waitAll(futs: seq[Future[void]]): Future[void] =
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var counter = len(futs)
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var retFuture = newFuture[void]("waitAll")
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proc cb(udata: pointer) =
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dec(counter)
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if counter == 0:
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retFuture.complete()
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for fut in futs:
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fut.addCallback(cb)
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return retFuture
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proc test3(bounded: bool): Future[int] {.async.} =
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var ta: TransportAddress
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if bounded:
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ta = initTAddress("127.0.0.1:33240")
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else:
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ta = initTAddress("127.0.0.1:33241")
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var counter = 0
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var dgram1 = newDatagramTransport(client1, udata = addr counter, local = ta)
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var clients = newSeq[Future[void]](ClientsCount)
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var grams = newSeq[DatagramTransport](ClientsCount)
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var counters = newSeq[int](ClientsCount)
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for i in 0..<ClientsCount:
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var data = "REQUEST0"
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if bounded:
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grams[i] = newDatagramTransport(client4, udata = addr counters[i],
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remote = ta)
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await grams[i].send(addr data[0], len(data))
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else:
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grams[i] = newDatagramTransport(client5, udata = addr counters[i])
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await grams[i].sendTo(ta, addr data[0], len(data))
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clients[i] = grams[i].join()
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await waitAll(clients)
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dgram1.close()
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await dgram1.join()
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result = 0
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for i in 0..<ClientsCount:
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result += counters[i]
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proc testConnReset(): Future[bool] {.async.} =
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var ta = initTAddress("127.0.0.1:65000")
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var counter = 0
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proc clientMark(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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counter = 1
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transp.close()
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var dgram1 = newDatagramTransport(client1, local = ta)
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dgram1.close()
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await dgram1.join()
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var dgram2 = newDatagramTransport(clientMark)
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var data = "MESSAGE"
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asyncCheck dgram2.sendTo(ta, data)
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await sleepAsync(2000.milliseconds)
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result = (counter == 0)
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dgram2.close()
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await dgram2.join()
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proc testTransportClose(): Future[bool] {.async.} =
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var ta = initTAddress("127.0.0.1:45000")
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var counter = 0
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proc clientMark(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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discard
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var dgram = newDatagramTransport(clientMark, local = ta)
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dgram.close()
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try:
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await wait(dgram.join(), 1.seconds)
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result = true
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except:
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discard
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proc testBroadcast(): Future[int] {.async.} =
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const expectMessage = "BROADCAST MESSAGE"
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var ta1 = initTAddress("0.0.0.0:45010")
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var bta = initTAddress("255.255.255.255:45010")
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var res = 0
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proc clientMark(transp: DatagramTransport,
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raddr: TransportAddress): Future[void] {.async.} =
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var bmsg = transp.getMessage()
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var smsg = cast[string](bmsg)
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|
if smsg == expectMessage:
|
|
inc(res)
|
|
transp.close()
|
|
var dgram1 = newDatagramTransport(clientMark, local = ta1,
|
|
flags = {Broadcast}, ttl = 2)
|
|
await dgram1.sendTo(bta, expectMessage)
|
|
await wait(dgram1.join(), 5.seconds)
|
|
result = res
|
|
|
|
test "close(transport) test":
|
|
check waitFor(testTransportClose()) == true
|
|
test m1:
|
|
check waitFor(testPointerSendTo()) == TestsCount
|
|
test m2:
|
|
check waitFor(testPointerSend()) == TestsCount
|
|
test m3:
|
|
check waitFor(testStringSendTo()) == TestsCount
|
|
test m4:
|
|
check waitFor(testStringSend()) == TestsCount
|
|
test m5:
|
|
check waitFor(testSeqSendTo()) == TestsCount
|
|
test m6:
|
|
check waitFor(testSeqSend()) == TestsCount
|
|
test m7:
|
|
check waitFor(test3(false)) == ClientsCount * MessagesCount
|
|
test m8:
|
|
check waitFor(test3(true)) == ClientsCount * MessagesCount
|
|
test "Datagram connection reset test":
|
|
check waitFor(testConnReset()) == true
|
|
test "Broadcast test":
|
|
check waitFor(testBroadcast()) == 1
|
|
test "Transports leak test":
|
|
check getTracker("datagram.transport").isLeaked() == false
|