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4d25a77fd3
Bug: webrtc:12598 Change-Id: Ic43cbcd13e4de44b02351c89da12844606368623 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/317604 Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40627}
55 lines
2 KiB
C++
55 lines
2 KiB
C++
/*
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* Copyright 2013 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_ASYNC_RESOLVER_INTERFACE_H_
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#define RTC_BASE_ASYNC_RESOLVER_INTERFACE_H_
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#include "rtc_base/checks.h"
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#include "rtc_base/socket_address.h"
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#include "rtc_base/system/rtc_export.h"
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#include "rtc_base/third_party/sigslot/sigslot.h"
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namespace rtc {
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// This interface defines the methods to resolve the address asynchronously.
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// TODO(bugs.webrtc.org/12598): Deprecate and remove.
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class RTC_EXPORT AsyncResolverInterface {
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public:
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AsyncResolverInterface();
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virtual ~AsyncResolverInterface();
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// Start address resolution of the hostname in `addr`.
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virtual void Start(const SocketAddress& addr) = 0;
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// Start address resolution of the hostname in `addr` matching `family`.
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virtual void Start(const SocketAddress& addr, int family) = 0;
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// Returns true iff the address from `Start` was successfully resolved.
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// If the address was successfully resolved, sets `addr` to a copy of the
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// address from `Start` with the IP address set to the top most resolved
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// address of `family` (`addr` will have both hostname and the resolved ip).
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virtual bool GetResolvedAddress(int family, SocketAddress* addr) const = 0;
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// Returns error from resolver.
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virtual int GetError() const = 0;
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// Delete the resolver.
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virtual void Destroy(bool wait) = 0;
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// Returns top most resolved IPv4 address if address is resolved successfully.
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// Otherwise returns address set in SetAddress.
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SocketAddress address() const {
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SocketAddress addr;
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GetResolvedAddress(AF_INET, &addr);
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return addr;
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}
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// This signal is fired when address resolve process is completed.
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sigslot::signal1<AsyncResolverInterface*> SignalDone;
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};
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} // namespace rtc
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#endif
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