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/*
* Copyright (C) 2015 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.
*/
#ifndef ANDROID_IP_PREFIX_H
#define ANDROID_IP_PREFIX_H
#ifndef __ANDROID_VNDK__
#include <netinet/in.h>
#include <binder/Parcelable.h>
#include <utils/String16.h>
#include <utils/StrongPointer.h>
namespace android {
namespace net {
/*
* C++ implementation of the Java class android.net.IpPrefix
*/
class IpPrefix : public Parcelable {
public:
IpPrefix() = default;
virtual ~IpPrefix() = default;
IpPrefix(const IpPrefix& prefix) = default;
IpPrefix(const struct in6_addr& addr, int32_t plen):
mUnion(addr), mPrefixLength(plen), mIsIpv6(true) { }
IpPrefix(const struct in_addr& addr, int32_t plen):
mUnion(addr), mPrefixLength(plen), mIsIpv6(false) { }
bool getAddressAsIn6Addr(struct in6_addr* addr) const;
bool getAddressAsInAddr(struct in_addr* addr) const;
const struct in6_addr& getAddressAsIn6Addr() const;
const struct in_addr& getAddressAsInAddr() const;
bool isIpv6() const;
bool isIpv4() const;
int32_t getPrefixLength() const;
void setAddress(const struct in6_addr& addr);
void setAddress(const struct in_addr& addr);
void setPrefixLength(int32_t prefix);
friend bool operator==(const IpPrefix& lhs, const IpPrefix& rhs);
friend bool operator!=(const IpPrefix& lhs, const IpPrefix& rhs) {
return !(lhs == rhs);
}
public:
// Overrides
status_t writeToParcel(Parcel* parcel) const override;
status_t readFromParcel(const Parcel* parcel) override;
private:
union InternalUnion {
InternalUnion() = default;
InternalUnion(const struct in6_addr &addr):mIn6Addr(addr) { };
InternalUnion(const struct in_addr &addr):mInAddr(addr) { };
struct in6_addr mIn6Addr;
struct in_addr mInAddr;
} mUnion;
int32_t mPrefixLength;
bool mIsIpv6;
};
} // namespace net
} // namespace android
#else // __ANDROID_VNDK__
#error "This header is not visible to vendors"
#endif // __ANDROID_VNDK__
#endif // ANDROID_IP_PREFIX_H