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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <sys/types.h>
#include <cstdint>
#include <string>
namespace cuttlefish {
enum class ResourceType {
Invalid = 0,
MobileIface,
EthernetIface,
EthernetBridge,
};
class StaticResource {
public:
StaticResource() = default;
StaticResource(const std::string& name, uid_t uid, ResourceType ty,
uint32_t global_id)
: name_(name), uid_(uid), global_id_(global_id), ty_(ty){};
virtual ~StaticResource() = default;
virtual bool ReleaseResource() = 0;
virtual bool AcquireResource() = 0;
std::string GetName() { return name_; }
uid_t GetUid() { return uid_; }
ResourceType GetResourceType() { return ty_; }
uint32_t GetGlobalID() { return global_id_; }
private:
std::string name_{};
uid_t uid_{};
uint32_t global_id_{};
ResourceType ty_ = ResourceType::Invalid;
};
class MobileIface : public StaticResource {
public:
MobileIface() = default;
~MobileIface() = default;
MobileIface(const std::string& name, uid_t uid, uint16_t iface_id,
uint32_t global_id, std::string ipaddr)
: StaticResource(name, uid, ResourceType::MobileIface, global_id),
iface_id_(iface_id),
ipaddr_(ipaddr) {}
bool ReleaseResource() override;
bool AcquireResource() override;
uint16_t GetIfaceId() { return iface_id_; }
std::string GetIpAddr() { return ipaddr_; }
static constexpr char kNetmask[] = "/30";
private:
uint16_t iface_id_;
std::string ipaddr_;
};
class EthernetIface : public StaticResource {
public:
EthernetIface() = default;
~EthernetIface() = default;
EthernetIface(const std::string& name, uid_t uid, uint16_t iface_id,
uint32_t global_id, std::string bridge_name,
std::string ipaddr)
: StaticResource(name, uid, ResourceType::MobileIface, global_id),
iface_id_(iface_id),
bridge_name_(bridge_name),
ipaddr_(ipaddr) {}
bool ReleaseResource() override;
bool AcquireResource() override;
uint16_t GetIfaceId() { return iface_id_; }
std::string GetBridgeName() { return bridge_name_; }
std::string GetIpAddr() { return ipaddr_; }
void SetHasIpv4(bool ipv4) { has_ipv4_ = ipv4; }
void SetHasIpv6(bool ipv6) { has_ipv6_ = ipv6; }
void SetUseEbtablesLegacy(bool use_legacy) {
use_ebtables_legacy_ = use_legacy;
}
bool GetHasIpv4() { return has_ipv4_; }
bool GetHasIpv6() { return has_ipv6_; }
bool GetUseEbtablesLegacy() { return use_ebtables_legacy_; }
private:
static constexpr char kNetmask[] = "/24";
uint16_t iface_id_;
std::string bridge_name_;
std::string ipaddr_;
bool has_ipv4_ = true;
bool has_ipv6_ = true;
bool use_ebtables_legacy_ = false;
};
} // namespace cuttlefish
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