2021-05-21 16:27:01 +00:00
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import strutils, strformat, stew/byteutils
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2019-08-30 05:16:55 +00:00
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import chronos
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2020-04-21 01:24:42 +00:00
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import ../libp2p/errors,
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2019-09-06 07:13:03 +00:00
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../libp2p/multistream,
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2020-02-12 14:43:42 +00:00
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../libp2p/stream/bufferstream,
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2020-06-19 17:29:43 +00:00
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../libp2p/stream/connection,
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2019-10-29 18:51:48 +00:00
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../libp2p/multiaddress,
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../libp2p/transports/transport,
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../libp2p/transports/tcptransport,
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2021-03-18 15:20:36 +00:00
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../libp2p/protocols/protocol,
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../libp2p/upgrademngrs/upgrade
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2019-08-30 05:16:55 +00:00
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2020-05-08 20:10:06 +00:00
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import ./helpers
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2019-10-29 18:51:48 +00:00
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when defined(nimHasUsed): {.used.}
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2019-08-30 05:16:55 +00:00
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## Mock stream for select test
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type
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2020-06-19 17:29:43 +00:00
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TestSelectStream = ref object of Connection
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2019-08-30 05:16:55 +00:00
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step*: int
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2020-06-27 17:33:34 +00:00
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method readOnce*(s: TestSelectStream,
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pbytes: pointer,
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nbytes: int): Future[int] {.async, gcsafe.} =
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2019-08-30 05:16:55 +00:00
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 2
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2020-06-27 17:33:34 +00:00
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return buf.len
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2019-08-30 05:16:55 +00:00
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of 2:
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var buf = "/multistream/1.0.0\n"
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 3
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2020-06-27 17:33:34 +00:00
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return buf.len
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2019-08-30 05:16:55 +00:00
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 18
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 4
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2020-06-27 17:33:34 +00:00
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return buf.len
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2019-08-30 05:16:55 +00:00
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of 4:
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var buf = "/test/proto/1.0.0\n"
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2020-06-27 17:33:34 +00:00
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return buf.len
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2019-08-30 05:16:55 +00:00
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else:
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes,
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2019-08-30 05:16:55 +00:00
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cstring("\0x3na\n"),
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"\0x3na\n".len())
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2020-06-27 17:33:34 +00:00
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return "\0x3na\n".len()
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2020-05-07 20:37:46 +00:00
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method write*(s: TestSelectStream, msg: seq[byte]) {.async, gcsafe.} = discard
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2019-09-08 07:59:14 +00:00
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2020-02-12 14:43:42 +00:00
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method close(s: TestSelectStream) {.async, gcsafe.} =
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2019-12-04 04:44:54 +00:00
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s.isClosed = true
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2020-08-03 05:20:11 +00:00
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s.isEof = true
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2019-09-06 07:13:03 +00:00
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2019-08-30 05:16:55 +00:00
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proc newTestSelectStream(): TestSelectStream =
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new result
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result.step = 1
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## Mock stream for handles `ls` test
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type
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2019-10-04 20:10:01 +00:00
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LsHandler = proc(procs: seq[byte]): Future[void] {.gcsafe.}
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2019-08-30 05:16:55 +00:00
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2020-06-22 21:38:48 +00:00
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TestLsStream = ref object of Connection
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2019-08-30 05:16:55 +00:00
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step*: int
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ls*: LsHandler
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2020-06-27 17:33:34 +00:00
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method readOnce*(s: TestLsStream,
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pbytes: pointer,
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nbytes: int):
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Future[int] {.async.} =
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2019-08-30 05:16:55 +00:00
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 2
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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of 2:
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var buf = "/multistream/1.0.0\n"
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 3
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 3
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 4
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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of 4:
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var buf = "ls\n"
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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else:
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2020-05-06 16:31:47 +00:00
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var buf = "na\n"
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copyMem(pbytes, addr buf[0], buf.len())
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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2020-05-07 20:37:46 +00:00
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method write*(s: TestLsStream, msg: seq[byte]) {.async, gcsafe.} =
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2019-08-30 05:16:55 +00:00
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if s.step == 4:
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await s.ls(msg)
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2020-02-12 14:43:42 +00:00
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method close(s: TestLsStream) {.async, gcsafe.} =
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2019-12-04 04:44:54 +00:00
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s.isClosed = true
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2020-08-03 05:20:11 +00:00
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s.isEof = true
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2019-09-01 17:31:24 +00:00
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2019-10-04 20:10:01 +00:00
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proc newTestLsStream(ls: LsHandler): TestLsStream {.gcsafe.} =
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2019-08-30 05:16:55 +00:00
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new result
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result.ls = ls
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result.step = 1
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## Mock stream for handles `na` test
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type
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2019-10-04 20:10:01 +00:00
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NaHandler = proc(procs: string): Future[void] {.gcsafe.}
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2019-08-30 05:16:55 +00:00
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2020-06-22 21:38:48 +00:00
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TestNaStream = ref object of Connection
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2019-08-30 05:16:55 +00:00
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step*: int
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na*: NaHandler
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2020-06-27 17:33:34 +00:00
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method readOnce*(s: TestNaStream,
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pbytes: pointer,
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nbytes: int):
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Future[int] {.async, gcsafe.} =
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2019-08-30 05:16:55 +00:00
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 2
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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of 2:
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var buf = "/multistream/1.0.0\n"
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 3
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 18
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2019-08-30 05:16:55 +00:00
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s.step = 4
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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of 4:
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var buf = "/test/proto/1.0.0\n"
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes, addr buf[0], buf.len())
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2020-06-27 17:33:34 +00:00
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return buf.len()
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2019-08-30 05:16:55 +00:00
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else:
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2019-09-01 00:23:11 +00:00
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copyMem(pbytes,
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2019-08-30 05:16:55 +00:00
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cstring("\0x3na\n"),
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"\0x3na\n".len())
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2020-06-27 17:33:34 +00:00
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return "\0x3na\n".len()
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2020-05-07 20:37:46 +00:00
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method write*(s: TestNaStream, msg: seq[byte]) {.async, gcsafe.} =
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2019-08-30 05:16:55 +00:00
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if s.step == 4:
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2020-05-06 16:31:47 +00:00
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await s.na(string.fromBytes(msg))
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2019-08-30 05:16:55 +00:00
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2020-02-12 14:43:42 +00:00
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method close(s: TestNaStream) {.async, gcsafe.} =
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2019-12-04 04:44:54 +00:00
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s.isClosed = true
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2020-08-03 05:20:11 +00:00
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s.isEof = true
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2019-09-01 17:31:24 +00:00
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2019-08-30 05:16:55 +00:00
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proc newTestNaStream(na: NaHandler): TestNaStream =
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new result
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result.na = na
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result.step = 1
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suite "Multistream select":
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2020-04-21 01:24:42 +00:00
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teardown:
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2020-09-21 17:48:19 +00:00
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checkTrackers()
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2020-05-06 16:31:47 +00:00
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2020-11-13 03:44:02 +00:00
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asyncTest "test select custom proto":
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2021-06-07 07:32:08 +00:00
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let ms = MultistreamSelect.new()
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2020-11-13 03:44:02 +00:00
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let conn = newTestSelectStream()
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check (await ms.select(conn, @["/test/proto/1.0.0"])) == "/test/proto/1.0.0"
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await conn.close()
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asyncTest "test handle custom proto":
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2021-06-07 07:32:08 +00:00
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let ms = MultistreamSelect.new()
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2020-11-13 03:44:02 +00:00
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let conn = newTestSelectStream()
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var protocol: LPProtocol = new LPProtocol
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proc testHandler(conn: Connection,
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proto: string):
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Future[void] {.async, gcsafe.} =
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check proto == "/test/proto/1.0.0"
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2020-04-21 01:24:42 +00:00
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await conn.close()
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2019-08-30 05:16:55 +00:00
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2020-11-13 03:44:02 +00:00
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protocol.handler = testHandler
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ms.addHandler("/test/proto/1.0.0", protocol)
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await ms.handle(conn)
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2020-05-06 16:31:47 +00:00
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2020-11-13 03:44:02 +00:00
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asyncTest "test handle `ls`":
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2021-06-07 07:32:08 +00:00
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let ms = MultistreamSelect.new()
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2020-04-21 01:24:42 +00:00
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2020-11-13 03:44:02 +00:00
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proc testLsHandler(proto: seq[byte]) {.async, gcsafe.} # forward declaration
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let conn = Connection(newTestLsStream(testLsHandler))
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let done = newFuture[void]()
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proc testLsHandler(proto: seq[byte]) {.async, gcsafe.} =
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var strProto: string = string.fromBytes(proto)
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check strProto == "\x26/test/proto1/1.0.0\n/test/proto2/1.0.0\n"
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await conn.close()
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done.complete()
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proc testHandler(conn: Connection, proto: string): Future[void]
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{.async, gcsafe.} = discard
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var protocol: LPProtocol = new LPProtocol
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protocol.handler = testHandler
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ms.addHandler("/test/proto1/1.0.0", protocol)
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ms.addHandler("/test/proto2/1.0.0", protocol)
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await ms.handle(conn)
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await done.wait(5.seconds)
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asyncTest "test handle `na`":
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2021-06-07 07:32:08 +00:00
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let ms = MultistreamSelect.new()
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2020-11-13 03:44:02 +00:00
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proc testNaHandler(msg: string): Future[void] {.async, gcsafe.}
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let conn = newTestNaStream(testNaHandler)
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proc testNaHandler(msg: string): Future[void] {.async, gcsafe.} =
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echo msg
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check msg == Na
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await conn.close()
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2019-08-30 05:16:55 +00:00
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2020-11-13 03:44:02 +00:00
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var protocol: LPProtocol = new LPProtocol
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proc testHandler(conn: Connection,
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proto: string):
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Future[void] {.async, gcsafe.} = discard
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protocol.handler = testHandler
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ms.addHandler("/unabvailable/proto/1.0.0", protocol)
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2019-08-30 05:16:55 +00:00
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2020-11-13 03:44:02 +00:00
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await ms.handle(conn)
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2019-08-30 05:16:55 +00:00
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2020-11-13 03:44:02 +00:00
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asyncTest "e2e - handle":
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2021-11-24 20:01:12 +00:00
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let ma = @[Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()]
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2020-04-21 01:24:42 +00:00
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2020-11-13 03:44:02 +00:00
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var protocol: LPProtocol = new LPProtocol
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proc testHandler(conn: Connection,
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proto: string):
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Future[void] {.async, gcsafe.} =
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check proto == "/test/proto/1.0.0"
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await conn.writeLp("Hello!")
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await conn.close()
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2020-04-21 01:24:42 +00:00
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2020-11-13 03:44:02 +00:00
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protocol.handler = testHandler
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2021-06-07 07:32:08 +00:00
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let msListen = MultistreamSelect.new()
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2020-11-13 03:44:02 +00:00
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msListen.addHandler("/test/proto/1.0.0", protocol)
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2019-08-30 05:16:55 +00:00
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2021-06-30 08:59:30 +00:00
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let transport1 = TcpTransport.new(upgrade = Upgrade())
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2021-06-14 23:21:44 +00:00
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asyncSpawn transport1.start(ma)
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2020-11-19 02:06:42 +00:00
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proc acceptHandler(): Future[void] {.async, gcsafe.} =
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let conn = await transport1.accept()
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2020-11-13 03:44:02 +00:00
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await msListen.handle(conn)
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await conn.close()
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2020-04-21 01:24:42 +00:00
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2020-11-19 02:06:42 +00:00
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let handlerWait = acceptHandler()
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2019-08-30 05:16:55 +00:00
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2021-06-07 07:32:08 +00:00
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let msDial = MultistreamSelect.new()
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2021-06-30 08:59:30 +00:00
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let transport2 = TcpTransport.new(upgrade = Upgrade())
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2021-11-24 20:01:12 +00:00
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let conn = await transport2.dial(transport1.addrs[0])
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2019-08-30 05:16:55 +00:00
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2020-11-13 03:44:02 +00:00
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check (await msDial.select(conn, "/test/proto/1.0.0")) == true
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2020-04-21 01:24:42 +00:00
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2020-11-13 03:44:02 +00:00
|
|
|
let hello = string.fromBytes(await conn.readLp(1024))
|
|
|
|
check hello == "Hello!"
|
|
|
|
await conn.close()
|
2019-08-30 05:16:55 +00:00
|
|
|
|
2020-11-19 02:06:42 +00:00
|
|
|
await transport2.stop()
|
|
|
|
await transport1.stop()
|
2020-04-21 01:24:42 +00:00
|
|
|
|
2020-11-19 02:06:42 +00:00
|
|
|
await handlerWait.wait(30.seconds)
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
asyncTest "e2e - ls":
|
2021-11-24 20:01:12 +00:00
|
|
|
let ma = @[Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()]
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
let
|
|
|
|
handlerWait = newFuture[void]()
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2021-06-07 07:32:08 +00:00
|
|
|
let msListen = MultistreamSelect.new()
|
2020-11-13 03:44:02 +00:00
|
|
|
var protocol: LPProtocol = new LPProtocol
|
|
|
|
protocol.handler = proc(conn: Connection, proto: string) {.async, gcsafe.} =
|
|
|
|
# never reached
|
|
|
|
discard
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
proc testHandler(conn: Connection,
|
|
|
|
proto: string):
|
|
|
|
Future[void] {.async.} =
|
|
|
|
# never reached
|
|
|
|
discard
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
protocol.handler = testHandler
|
|
|
|
msListen.addHandler("/test/proto1/1.0.0", protocol)
|
|
|
|
msListen.addHandler("/test/proto2/1.0.0", protocol)
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2021-06-30 08:59:30 +00:00
|
|
|
let transport1: TcpTransport = TcpTransport.new(upgrade = Upgrade())
|
2020-11-19 02:06:42 +00:00
|
|
|
let listenFut = transport1.start(ma)
|
|
|
|
|
|
|
|
proc acceptHandler(): Future[void] {.async, gcsafe.} =
|
|
|
|
let conn = await transport1.accept()
|
|
|
|
try:
|
|
|
|
await msListen.handle(conn)
|
|
|
|
except LPStreamEOFError:
|
|
|
|
discard
|
|
|
|
except LPStreamClosedError:
|
|
|
|
discard
|
|
|
|
finally:
|
|
|
|
await conn.close()
|
|
|
|
|
|
|
|
let acceptFut = acceptHandler()
|
2021-06-07 07:32:08 +00:00
|
|
|
let msDial = MultistreamSelect.new()
|
2021-06-30 08:59:30 +00:00
|
|
|
let transport2: TcpTransport = TcpTransport.new(upgrade = Upgrade())
|
2021-11-24 20:01:12 +00:00
|
|
|
let conn = await transport2.dial(transport1.addrs[0])
|
2020-11-13 03:44:02 +00:00
|
|
|
|
|
|
|
let ls = await msDial.list(conn)
|
|
|
|
let protos: seq[string] = @["/test/proto1/1.0.0", "/test/proto2/1.0.0"]
|
|
|
|
|
|
|
|
check ls == protos
|
|
|
|
|
|
|
|
await conn.close()
|
2020-11-19 02:06:42 +00:00
|
|
|
await acceptFut
|
|
|
|
await transport2.stop()
|
|
|
|
await transport1.stop()
|
|
|
|
await listenFut.wait(5.seconds)
|
2020-11-13 03:44:02 +00:00
|
|
|
|
|
|
|
asyncTest "e2e - select one from a list with unsupported protos":
|
2021-11-24 20:01:12 +00:00
|
|
|
let ma = @[Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()]
|
2020-11-19 02:06:42 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
var protocol: LPProtocol = new LPProtocol
|
|
|
|
proc testHandler(conn: Connection,
|
|
|
|
proto: string):
|
|
|
|
Future[void] {.async, gcsafe.} =
|
|
|
|
check proto == "/test/proto/1.0.0"
|
|
|
|
await conn.writeLp("Hello!")
|
|
|
|
await conn.close()
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
protocol.handler = testHandler
|
2021-06-07 07:32:08 +00:00
|
|
|
let msListen = MultistreamSelect.new()
|
2020-11-13 03:44:02 +00:00
|
|
|
msListen.addHandler("/test/proto/1.0.0", protocol)
|
2020-04-21 01:24:42 +00:00
|
|
|
|
2021-06-30 08:59:30 +00:00
|
|
|
let transport1: TcpTransport = TcpTransport.new(upgrade = Upgrade())
|
2021-06-14 23:21:44 +00:00
|
|
|
asyncSpawn transport1.start(ma)
|
2020-11-19 02:06:42 +00:00
|
|
|
|
|
|
|
proc acceptHandler(): Future[void] {.async, gcsafe.} =
|
|
|
|
let conn = await transport1.accept()
|
|
|
|
await msListen.handle(conn)
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-19 02:06:42 +00:00
|
|
|
let acceptFut = acceptHandler()
|
2021-06-07 07:32:08 +00:00
|
|
|
let msDial = MultistreamSelect.new()
|
2021-06-30 08:59:30 +00:00
|
|
|
let transport2: TcpTransport = TcpTransport.new(upgrade = Upgrade())
|
2021-11-24 20:01:12 +00:00
|
|
|
let conn = await transport2.dial(transport1.addrs[0])
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
check (await msDial.select(conn,
|
|
|
|
@["/test/proto/1.0.0", "/test/no/proto/1.0.0"])) == "/test/proto/1.0.0"
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
let hello = string.fromBytes(await conn.readLp(1024))
|
|
|
|
check hello == "Hello!"
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
await conn.close()
|
2020-11-19 02:06:42 +00:00
|
|
|
await acceptFut
|
|
|
|
await transport2.stop()
|
|
|
|
await transport1.stop()
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
asyncTest "e2e - select one with both valid":
|
2021-11-24 20:01:12 +00:00
|
|
|
let ma = @[Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()]
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
var protocol: LPProtocol = new LPProtocol
|
|
|
|
proc testHandler(conn: Connection,
|
|
|
|
proto: string):
|
|
|
|
Future[void] {.async, gcsafe.} =
|
|
|
|
await conn.writeLp(&"Hello from {proto}!")
|
|
|
|
await conn.close()
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
protocol.handler = testHandler
|
2021-06-07 07:32:08 +00:00
|
|
|
let msListen = MultistreamSelect.new()
|
2020-11-13 03:44:02 +00:00
|
|
|
msListen.addHandler("/test/proto1/1.0.0", protocol)
|
|
|
|
msListen.addHandler("/test/proto2/1.0.0", protocol)
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2021-06-30 08:59:30 +00:00
|
|
|
let transport1: TcpTransport = TcpTransport.new(upgrade = Upgrade())
|
2021-06-14 23:21:44 +00:00
|
|
|
asyncSpawn transport1.start(ma)
|
2020-04-21 01:24:42 +00:00
|
|
|
|
2020-11-19 02:06:42 +00:00
|
|
|
proc acceptHandler(): Future[void] {.async, gcsafe.} =
|
|
|
|
let conn = await transport1.accept()
|
|
|
|
await msListen.handle(conn)
|
|
|
|
|
|
|
|
let acceptFut = acceptHandler()
|
2021-06-07 07:32:08 +00:00
|
|
|
let msDial = MultistreamSelect.new()
|
2021-06-30 08:59:30 +00:00
|
|
|
let transport2: TcpTransport = TcpTransport.new(upgrade = Upgrade())
|
2021-11-24 20:01:12 +00:00
|
|
|
let conn = await transport2.dial(transport1.addrs[0])
|
2020-11-13 03:44:02 +00:00
|
|
|
|
2020-11-19 02:06:42 +00:00
|
|
|
check (await msDial.select(conn,
|
|
|
|
@[
|
|
|
|
"/test/proto2/1.0.0",
|
|
|
|
"/test/proto1/1.0.0"
|
|
|
|
])) == "/test/proto2/1.0.0"
|
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
check string.fromBytes(await conn.readLp(1024)) == "Hello from /test/proto2/1.0.0!"
|
2019-09-04 18:31:13 +00:00
|
|
|
|
2020-11-13 03:44:02 +00:00
|
|
|
await conn.close()
|
2020-11-19 02:06:42 +00:00
|
|
|
await acceptFut
|
|
|
|
await transport2.stop()
|
|
|
|
await transport1.stop()
|