/*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2016 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#pragma once
+#include <cstring>
+
+#include <array>
#include <functional>
-#include <iostream>
+#include <iosfwd>
#include <map>
#include <stdexcept>
-#include <boost/operators.hpp>
-
#include <folly/Hash.h>
#include <folly/Range.h>
#include <folly/detail/IPAddress.h>
* Serializing / Deserializing IPAddressB6's on different hosts
* that use link-local scoping probably won't work.
*/
-class IPAddressV6 : boost::totally_ordered<IPAddressV6> {
+class IPAddressV6 {
public:
// V6 Address Type
enum Type {
// Binary prefix for 6to4 networks
static const uint32_t PREFIX_6TO4;
+ // Size of std::string returned by toFullyQualified.
+ static constexpr size_t kToFullyQualifiedSize =
+ 8 /*words*/ * 4 /*hex chars per word*/ + 7 /*separators*/;
+
+ // returns true iff the input string can be parsed as an ipv6-address
+ static bool validate(StringPiece ip);
+
/**
* Create a new IPAddress instance from the provided binary data.
* @throws IPAddressFormatException if the input length is not 16 bytes.
return addr;
}
+ /**
+ * Returns the address as a Range.
+ */
+ ByteRange toBinary() const {
+ return ByteRange((const unsigned char *) &addr_.in6Addr_.s6_addr, 16);
+ }
+
/**
* Default constructor for IPAddressV6.
*
// @see IPAddress#isZero
bool isZero() const {
- return detail::Bytes::isZero(bytes(), 16);
+ constexpr auto zero = ByteArray16{{}};
+ return 0 == std::memcmp(bytes(), zero.data(), zero.size());
}
bool isLinkLocalBroadcast() const;
static const ByteArray16 fetchMask(size_t numBits);
// Given 2 IPAddressV6,mask pairs extract the longest common IPAddress,
// mask pair
- static CIDRNetworkV6 longestCommonPrefix(const CIDRNetworkV6& one,
- const CIDRNetworkV6& two) {
- auto prefix = detail::Bytes::longestCommonPrefix(
- one.first.addr_.bytes_, one.second,
- two.first.addr_.bytes_, two.second);
- return {IPAddressV6(prefix.first), prefix.second};
- }
+ static CIDRNetworkV6 longestCommonPrefix(
+ const CIDRNetworkV6& one,
+ const CIDRNetworkV6& two);
// Number of bytes in the address representation.
static constexpr size_t byteCount() { return 16; }
return cmp;
}
}
+// Derived operators
+inline bool operator!=(const IPAddressV6& a, const IPAddressV6& b) {
+ return !(a == b);
+}
+inline bool operator>(const IPAddressV6& a, const IPAddressV6& b) {
+ return b < a;
+}
+inline bool operator<=(const IPAddressV6& a, const IPAddressV6& b) {
+ return !(a > b);
+}
+inline bool operator>=(const IPAddressV6& a, const IPAddressV6& b) {
+ return !(a < b);
+}
} // folly