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// Copyright 2015 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 BLIMP_NET_BLIMP_TRANSPORT_H_
#define BLIMP_NET_BLIMP_TRANSPORT_H_
#include <string>
#include "base/memory/scoped_ptr.h"
#include "net/base/completion_callback.h"
namespace blimp {
class BlimpConnection;
// An interface which encapsulates the transport-specific code for
// establishing network connections between the client and engine.
// Subclasses of BlimpTransport are responsible for defining their own
// methods for receiving connection arguments.
class BlimpTransport {
public:
virtual ~BlimpTransport() {}
// Initiate or listen for a connection.
//
// |callback| will be invoked with the connection outcome:
// * net::OK if a connection is established successful, the BlimpConnection
// can be taken by calling TakeConnection().
// * net::ERR_IO_PENDING will never be the outcome
// * Other error code indicates no connection was established.
virtual void Connect(const net::CompletionCallback& callback) = 0;
// Returns the connection object after a successful Connect().
virtual scoped_ptr<BlimpConnection> TakeConnection() = 0;
// Gets transport name, e.g. "TCP", "SSL", "mock", etc.
virtual const char* GetName() const = 0;
};
} // namespace blimp
#endif // BLIMP_NET_BLIMP_TRANSPORT_H_
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