| // Copyright 2019 The Chromium OS 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 ARC_NETWORK_ADDRESS_MANAGER_H_ |
| #define ARC_NETWORK_ADDRESS_MANAGER_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include <base/callback.h> |
| #include <base/macros.h> |
| #include <base/memory/weak_ptr.h> |
| #include <brillo/brillo_export.h> |
| |
| #include "arc/network/mac_address_generator.h" |
| #include "arc/network/subnet.h" |
| #include "arc/network/subnet_pool.h" |
| |
| namespace arc_networkd { |
| |
| // Responsible for address provisioning for guest networks. |
| class BRILLO_EXPORT AddressManager { |
| public: |
| enum class Guest { |
| ARC, |
| ARC_NET, |
| VM_ARC, |
| VM_TERMINA, |
| VM_PLUGIN, |
| CONTAINER, |
| }; |
| |
| AddressManager(std::initializer_list<Guest> guests); |
| virtual ~AddressManager() = default; |
| |
| // Generates a MAC address guaranteed to be unique for the lifetime of this |
| // object. |
| // Virtual for testing only. |
| virtual MacAddress GenerateMacAddress(); |
| |
| // Allocates a subnet from the specified guest network pool if available. |
| // Returns nullptr if the guest was configured or no more subnets are |
| // available for allocation. |
| std::unique_ptr<Subnet> AllocateIPv4Subnet(Guest guest); |
| |
| private: |
| MacAddressGenerator mac_addrs_; |
| std::map<Guest, std::unique_ptr<SubnetPool>> pools_; |
| |
| base::WeakPtrFactory<AddressManager> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(AddressManager); |
| }; |
| |
| } // namespace arc_networkd |
| |
| #endif // ARC_NETWORK_ADDRESS_MANAGER_H_ |