remoting/protocol/port_allocator_factory.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef REMOTING_PROTOCOL_PORT_ALLOCATOR_FACTORY_H_
#define REMOTING_PROTOCOL_PORT_ALLOCATOR_FACTORY_H_

#include <memory>

#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"

namespace cricket {
class PortAllocator;
}  // namespace cricket

namespace remoting::protocol {

struct NetworkSettings;
class SessionOptionsProvider;
class TransportContext;

// Factory class used for creating cricket::PortAllocator that is used
// to allocate ICE candidates.
class PortAllocatorFactory {
 public:
  using ApplyNetworkSettingsCallback =
      base::OnceCallback<void(const NetworkSettings&)>;
  struct CreatePortAllocatorResult {
    CreatePortAllocatorResult();
    CreatePortAllocatorResult(CreatePortAllocatorResult&&);
    ~CreatePortAllocatorResult();
    std::unique_ptr<cricket::PortAllocator> allocator;
    ApplyNetworkSettingsCallback apply_network_settings;
  };

  virtual ~PortAllocatorFactory() = default;

  virtual CreatePortAllocatorResult CreatePortAllocator(
      scoped_refptr<TransportContext> transport_context,
      base::WeakPtr<SessionOptionsProvider> session_options_provider) = 0;
};

}  // namespace remoting::protocol

#endif  // REMOTING_PROTOCOL_PORT_ALLOCATOR_FACTORY_H_