63 lines
1.5 KiB
Text
63 lines
1.5 KiB
Text
import Std.Internal.Async
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import Std.Internal.UV
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import Std.Net.Addr
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open Std.Internal.IO Async
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open Std.Net
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def assertBEq [BEq α] [ToString α] (actual expected : α) : IO Unit := do
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unless actual == expected do
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throw <| IO.userError <|
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s!"expected '{expected}', got '{actual}'"
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/-- Mike is another client. -/
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def runMike (client: TCP.Socket.Client) : Async Unit := do
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let message ← client.recv? 1024
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assertBEq (String.fromUTF8? =<< message) none
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/-- Joe is another client. -/
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def runJoe (client: TCP.Socket.Client) : Async Unit := do
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let message ← client.recv? 1024
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assertBEq (String.fromUTF8? =<< message) none
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/-- Robert is the server. -/
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def runRobert (server: TCP.Socket.Server) : Async Unit := do
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discard <| server.accept
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discard <| server.accept
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def clientServer : IO Unit := do
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let addr := SocketAddressV4.mk (.ofParts 127 0 0 1) 8083
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let server ← TCP.Socket.Server.mk
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server.bind addr
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server.listen 128
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assertBEq (← server.getSockName).port 8083
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let joe ← TCP.Socket.Client.mk
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let task ← joe.connect addr |>.toBaseIO
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task.block
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assertBEq (← joe.getPeerName).port 8083
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joe.noDelay
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let mike ← TCP.Socket.Client.mk
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let task ← mike.connect addr |>.toBaseIO
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task.block
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assertBEq (← mike.getPeerName).port 8083
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mike.noDelay
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let serverTask ← (runRobert server).toIO
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let joeTask ← (runJoe joe).toIO
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let mikeTask ← (runMike mike).toIO
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serverTask.block
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joeTask.block
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mikeTask.block
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#eval clientServer
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