48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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/*
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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 WEBRTC_BASE_ASYNCRESOLVERINTERFACE_H_
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#define WEBRTC_BASE_ASYNCRESOLVERINTERFACE_H_
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#include "webrtc/base/sigslot.h"
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#include "webrtc/base/socketaddress.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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class AsyncResolverInterface {
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public:
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AsyncResolverInterface();
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virtual ~AsyncResolverInterface();
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// Start address resolve process.
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virtual void Start(const SocketAddress& addr) = 0;
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// Returns top most resolved address of |family|
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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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