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72988509ba
* add getPort to resolve Port(0) * fixup * use getPort in examples + tests * address comments: do not re-export Port
14 lines
528 B
Nim
14 lines
528 B
Nim
import std/[nativesockets, asyncdispatch, os]
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proc bindAvailablePort*(handle: SocketHandle, port = Port(0)): Port =
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## See also `asynchttpserver.getPort`.
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block:
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var name: Sockaddr_in
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name.sin_family = typeof(name.sin_family)(toInt(AF_INET))
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name.sin_port = htons(uint16(port))
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name.sin_addr.s_addr = htonl(INADDR_ANY)
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if bindAddr(handle, cast[ptr SockAddr](addr(name)),
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sizeof(name).Socklen) < 0'i32:
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raiseOSError(osLastError(), $port)
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result = getLocalAddr(handle, AF_INET)[1]
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