mirror of
https://github.com/wpilibsuite/allwpilib
synced 2026-06-22 01:11:42 +00:00
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2018 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "wpi/uv/GetAddrInfo.h"
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#include "wpi/uv/Loop.h"
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#include "wpi/uv/util.h"
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namespace wpi {
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namespace uv {
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GetAddrInfoReq::GetAddrInfoReq() {
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error = [this](Error err) { GetLoop().error(err); };
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}
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void GetAddrInfo(Loop& loop, const std::shared_ptr<GetAddrInfoReq>& req,
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const Twine& node, const Twine& service,
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const addrinfo* hints) {
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SmallVector<char, 128> nodeStr;
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SmallVector<char, 128> serviceStr;
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int err = uv_getaddrinfo(
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loop.GetRaw(), req->GetRaw(),
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[](uv_getaddrinfo_t* req, int status, addrinfo* res) {
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auto& h = *static_cast<GetAddrInfoReq*>(req->data);
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if (status < 0)
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h.ReportError(status);
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else
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h.resolved(*res);
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uv_freeaddrinfo(res);
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h.Release(); // this is always a one-shot
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},
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node.isNull() ? nullptr : node.toNullTerminatedStringRef(nodeStr).data(),
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service.isNull() ? nullptr
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: service.toNullTerminatedStringRef(serviceStr).data(),
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hints);
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if (err < 0)
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loop.ReportError(err);
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else
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req->Keep();
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}
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void GetAddrInfo(Loop& loop, std::function<void(const addrinfo&)> callback,
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const Twine& node, const Twine& service,
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const addrinfo* hints) {
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auto req = std::make_shared<GetAddrInfoReq>();
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req->resolved.connect(callback);
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GetAddrInfo(loop, req, node, service, hints);
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}
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} // namespace uv
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} // namespace wpi
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