51 lines
1.3 KiB
Nim
51 lines
1.3 KiB
Nim
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# Nim-LibP2P
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# Copyright (c) 2023 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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## `Perf <https://github.com/libp2p/specs/blob/master/perf/perf.md>`_ protocol specification
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import chronos, chronicles, sequtils
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import stew/endians2
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import ./core, ../../stream/connection
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logScope:
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topics = "libp2p perf"
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type PerfClient* = ref object of RootObj
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proc perf*(
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_: typedesc[PerfClient],
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conn: Connection,
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sizeToWrite: uint64 = 0,
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sizeToRead: uint64 = 0,
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): Future[Duration] {.async, public.} =
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var
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size = sizeToWrite
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buf: array[PerfSize, byte]
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let start = Moment.now()
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trace "starting performance benchmark", conn, sizeToWrite, sizeToRead
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await conn.write(toSeq(toBytesBE(sizeToRead)))
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while size > 0:
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let toWrite = min(size, PerfSize)
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await conn.write(buf[0 ..< toWrite])
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size -= toWrite
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await conn.close()
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size = sizeToRead
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while size > 0:
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let toRead = min(size, PerfSize)
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await conn.readExactly(addr buf[0], toRead.int)
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size = size - toRead
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let duration = Moment.now() - start
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trace "finishing performance benchmark", duration
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return duration
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