56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
// Copyright 2015 The Weave Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef LIBWEAVE_INCLUDE_WEAVE_PROVIDER_NETWORK_H_
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#define LIBWEAVE_INCLUDE_WEAVE_PROVIDER_NETWORK_H_
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#include <string>
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#include <base/callback.h>
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#include <weave/error.h>
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#include <weave/stream.h>
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namespace weave {
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namespace provider {
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// Interface with methods to detect network connectivity and opening network
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// connections.
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class Network {
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public:
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enum class State {
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kOffline = 0,
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kError,
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kConnecting,
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kOnline,
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};
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// Callback type for AddConnectionChangedCallback.
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using ConnectionChangedCallback = base::Closure;
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// Callback type for OpenSslSocket.
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using OpenSslSocketCallback =
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base::Callback<void(std::unique_ptr<Stream> stream, ErrorPtr error)>;
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// Subscribes to notification about changes in network connectivity. Changes
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// may include but not limited: interface up or down, new IP was assigned,
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// cable is disconnected.
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virtual void AddConnectionChangedCallback(
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const ConnectionChangedCallback& callback) = 0;
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// Returns current Internet connectivity state
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virtual State GetConnectionState() const = 0;
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// Opens bidirectional sockets and returns attached stream.
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virtual void OpenSslSocket(const std::string& host,
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uint16_t port,
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const OpenSslSocketCallback& callback) = 0;
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protected:
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virtual ~Network() {}
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};
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} // namespace provider
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} // namespace weave
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#endif // LIBWEAVE_INCLUDE_WEAVE_PROVIDER_NETWORK_H_
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