mirror of https://github.com/status-im/nim-eth.git
45 lines
1.6 KiB
Nim
45 lines
1.6 KiB
Nim
# Copyright (c) 2020-2021 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [Defect].}
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import
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chronos, stew/byteutils,
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./utp_protocol
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# Exemple application to interact with reference implementation server to help with implementation
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# To run lib utp server:
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# 1. git clone https://github.com/bittorrent/libutp.git
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# 2. cd libutp
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# 3. make
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# 4. ./ucat -ddddd -l -p 9078 - it will run utp server on port 9078
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when isMainModule:
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proc echoIncomingSocketCallBack(): AcceptConnectionCallback =
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return (
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proc (server: UtpProtocol, client: UtpSocket): Future[void] {.gcsafe, raises: [Defect].} =
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echo "received incoming connection"
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let fakeFuture = newFuture[void]()
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fakeFuture.complete()
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return fakeFuture
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)
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# TODO read client/server ports and address from cmd line or config file
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let localAddress = initTAddress("0.0.0.0", 9077)
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let utpProt = UtpProtocol.new(echoIncomingSocketCallBack(), localAddress)
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let remoteServer = initTAddress("127.0.0.1", 9078)
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let soc = waitFor utpProt.connectTo(remoteServer)
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doAssert(soc.numPacketsInOutGoingBuffer() == 0)
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let helloUtp = "Helllo from nim implementation"
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let bytes = helloUtp.toBytes()
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waitFor soc.write(bytes)
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runForever()
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waitFor utpProt.closeWait()
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