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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef REMOTING_PROTOCOL_DATAGRAM_CHANNEL_FACTORY_H_
- #define REMOTING_PROTOCOL_DATAGRAM_CHANNEL_FACTORY_H_
- #include <memory>
- #include <string>
- #include "base/callback_forward.h"
- namespace remoting {
- namespace protocol {
- class P2PDatagramSocket;
- class DatagramChannelFactory {
- public:
- typedef base::OnceCallback<void(std::unique_ptr<P2PDatagramSocket>)>
- ChannelCreatedCallback;
- DatagramChannelFactory() {}
- DatagramChannelFactory(const DatagramChannelFactory&) = delete;
- DatagramChannelFactory& operator=(const DatagramChannelFactory&) = delete;
- // Creates new channels and calls the |callback| when then new channel is
- // created and connected. The |callback| is called with nullptr if channel
- // setup failed for any reason. Callback may be called synchronously, before
- // the call returns. All channels must be destroyed, and
- // CancelChannelCreation() called for any pending channels, before the factory
- // is destroyed.
- virtual void CreateChannel(const std::string& name,
- ChannelCreatedCallback callback) = 0;
- // Cancels a pending CreateChannel() operation for the named channel. If the
- // channel creation already completed then canceling it has no effect. When
- // shutting down this method must be called for each channel pending creation.
- virtual void CancelChannelCreation(const std::string& name) = 0;
- protected:
- virtual ~DatagramChannelFactory() {}
- };
- } // namespace protocol
- } // namespace remoting
- #endif // REMOTING_PROTOCOL_DATAGRAM_CHANNEL_FACTORY_H_
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