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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/ipnetwork-0.19.0/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../ipnetwork/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div>
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</pre><pre class="rust"><code><span class="doccomment">//! The `ipnetwork` crate provides a set of APIs to work with IP CIDRs in</span>
<span class="doccomment">//! Rust.</span>
<span class="attribute">#![<span class="ident">crate_type</span> <span class="op">=</span> <span class="string">"lib"</span>]</span>
<span class="attribute">#![<span class="ident">deny</span>(
<span class="ident">missing_debug_implementations</span>,
<span class="ident">unsafe_code</span>,
<span class="ident">unused_extern_crates</span>,
<span class="ident">unused_import_braces</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">fmt</span>, <span class="ident">net::IpAddr</span>, <span class="ident">str::FromStr</span>, <span class="ident">convert::TryFrom</span>};
<span class="kw">mod</span> <span class="ident">common</span>;
<span class="kw">mod</span> <span class="ident">ipv4</span>;
<span class="kw">mod</span> <span class="ident">ipv6</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::common::IpNetworkError</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::ipv4::Ipv4NetworkIterator</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::ipv4</span>::{<span class="ident">ipv4_mask_to_prefix</span>, <span class="ident">Ipv4Network</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::ipv6::Ipv6NetworkIterator</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::ipv6</span>::{<span class="ident">ipv6_mask_to_prefix</span>, <span class="ident">Ipv6Network</span>};
<span class="doccomment">/// Represents a generic network range. This type can have two variants:</span>
<span class="doccomment">/// the v4 and the v6 case.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">IpNetwork</span> {
<span class="ident">V4</span>(<span class="ident">Ipv4Network</span>),
<span class="ident">V6</span>(<span class="ident">Ipv6Network</span>),
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde"</span>)]</span>
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="ident">serde::Deserialize</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="ident">deserializer</span>: <span class="ident">D</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">D::Error</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">D</span>: <span class="ident">serde::Deserializer</span><span class="op"><</span><span class="lifetime">'de</span><span class="op">></span>,
{
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="op"><</span><span class="ident">String</span><span class="op">></span><span class="ident">::deserialize</span>(<span class="ident">deserializer</span>)<span class="question-mark">?</span>;
<span class="ident">IpNetwork::from_str</span>(<span class="kw-2">&</span><span class="ident">s</span>).<span class="ident">map_err</span>(<span class="ident">serde::de::Error::custom</span>)
}
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde"</span>)]</span>
<span class="kw">impl</span> <span class="ident">serde::Serialize</span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">fn</span> <span class="ident">serialize</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">serializer</span>: <span class="ident">S</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">S::Ok</span>, <span class="ident">S::Error</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="ident">serde::Serializer</span>,
{
<span class="ident">serializer</span>.<span class="ident">collect_str</span>(<span class="self">self</span>)
}
}
<span class="doccomment">/// Represents a generic network size. For IPv4, the max size is a u32 and for IPv6, it is a u128</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">NetworkSize</span> {
<span class="ident">V4</span>(<span class="ident">u32</span>),
<span class="ident">V6</span>(<span class="ident">u128</span>),
}
<span class="kw">impl</span> <span class="ident">IpNetwork</span> {
<span class="doccomment">/// Constructs a new `IpNetwork` from a given `IpAddr` and a prefix denoting the</span>
<span class="doccomment">/// network size. If the prefix is larger than 32 (for IPv4) or 128 (for IPv6), this</span>
<span class="doccomment">/// will raise an `IpNetworkError::InvalidPrefix` error. Support for IPv6 is not</span>
<span class="doccomment">/// complete yet.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">ip</span>: <span class="ident">IpAddr</span>, <span class="ident">prefix</span>: <span class="ident">u8</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">IpNetwork</span>, <span class="ident">IpNetworkError</span><span class="op">></span> {
<span class="kw">match</span> <span class="ident">ip</span> {
<span class="ident">IpAddr::V4</span>(<span class="ident">a</span>) => <span class="prelude-val">Ok</span>(<span class="ident">IpNetwork::V4</span>(<span class="ident">Ipv4Network::new</span>(<span class="ident">a</span>, <span class="ident">prefix</span>)<span class="question-mark">?</span>)),
<span class="ident">IpAddr::V6</span>(<span class="ident">a</span>) => <span class="prelude-val">Ok</span>(<span class="ident">IpNetwork::V6</span>(<span class="ident">Ipv6Network::new</span>(<span class="ident">a</span>, <span class="ident">prefix</span>)<span class="question-mark">?</span>)),
}
}
<span class="doccomment">/// Constructs a new `IpNetwork` from a network address and a network mask.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the netmask is not valid this will return an `IpNetworkError::InvalidPrefix`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_netmask</span>(<span class="ident">netaddr</span>: <span class="ident">IpAddr</span>, <span class="ident">netmask</span>: <span class="ident">IpAddr</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">IpNetworkError</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">prefix</span> <span class="op">=</span> <span class="ident">ip_mask_to_prefix</span>(<span class="ident">netmask</span>)<span class="question-mark">?</span>;
<span class="ident"><span class="self">Self</span>::new</span>(<span class="ident">netaddr</span>, <span class="ident">prefix</span>)
}
<span class="doccomment">/// Returns the IP part of a given `IpNetwork`</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ip</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">IpAddr</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V4</span>(<span class="ident">a</span>.<span class="ident">ip</span>()),
<span class="ident">IpNetwork::V6</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V6</span>(<span class="ident">a</span>.<span class="ident">ip</span>()),
}
}
<span class="doccomment">/// Returns the prefix of the given `IpNetwork`</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use ipnetwork::IpNetwork;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// assert_eq!(IpNetwork::V4("10.9.0.1".parse().unwrap()).prefix(), 32u8);</span>
<span class="doccomment">/// assert_eq!(IpNetwork::V4("10.9.0.32/16".parse().unwrap()).prefix(), 16u8);</span>
<span class="doccomment">///</span>
<span class="doccomment">/// assert_eq!(IpNetwork::V6("ff01::0".parse().unwrap()).prefix(), 128u8);</span>
<span class="doccomment">/// assert_eq!(IpNetwork::V6("ff01::0/32".parse().unwrap()).prefix(), 32u8);</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">prefix</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">u8</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">a</span>.<span class="ident">prefix</span>(),
<span class="ident">IpNetwork::V6</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">a</span>.<span class="ident">prefix</span>(),
}
}
<span class="doccomment">/// Returns the address of the network denoted by this `IpNetwork`.</span>
<span class="doccomment">/// This means the lowest possible IP address inside of the network.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use std::net::{Ipv4Addr, Ipv6Addr};</span>
<span class="doccomment">/// use ipnetwork::IpNetwork;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let net: IpNetwork = "10.1.9.32/16".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(net.network(), Ipv4Addr::new(10, 1, 0, 0));</span>
<span class="doccomment">/// let net: IpNetwork = "2001:db8::/96".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(net.network(), Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 0));</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">network</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">IpAddr</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V4</span>(<span class="ident">a</span>.<span class="ident">network</span>()),
<span class="ident">IpNetwork::V6</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V6</span>(<span class="ident">a</span>.<span class="ident">network</span>()),
}
}
<span class="doccomment">/// Returns the broadcasting address of this `IpNetwork`.</span>
<span class="doccomment">/// This means the highest possible IP address inside of the network.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use std::net::Ipv4Addr;</span>
<span class="doccomment">/// use ipnetwork::{IpNetwork, Ipv4Network};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let net: Ipv4Network = "10.9.0.32/16".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(net.broadcast(), Ipv4Addr::new(10, 9, 255, 255));</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">broadcast</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">IpAddr</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V4</span>(<span class="ident">a</span>.<span class="ident">broadcast</span>()),
<span class="ident">IpNetwork::V6</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V6</span>(<span class="ident">a</span>.<span class="ident">broadcast</span>()),
}
}
<span class="doccomment">/// Returns the mask for this `IpNetwork`.</span>
<span class="doccomment">/// That means the `prefix` most significant bits will be 1 and the rest 0</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use ipnetwork::IpNetwork;</span>
<span class="doccomment">/// use std::net::{Ipv4Addr, Ipv6Addr};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let v4_net: IpNetwork = "10.9.0.1".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(v4_net.mask(), Ipv4Addr::new(255, 255, 255, 255));</span>
<span class="doccomment">/// let v4_net: IpNetwork = "10.9.0.32/16".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(v4_net.mask(), Ipv4Addr::new(255, 255, 0, 0));</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let v6_net: IpNetwork = "ff01::0".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(v6_net.mask(), Ipv6Addr::new(0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff));</span>
<span class="doccomment">/// let v6_net: IpNetwork = "ff01::0/32".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(v6_net.mask(), Ipv6Addr::new(0xffff, 0xffff, 0, 0, 0, 0, 0, 0));</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">mask</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">IpAddr</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V4</span>(<span class="ident">a</span>.<span class="ident">mask</span>()),
<span class="ident">IpNetwork::V6</span>(<span class="kw-2">ref</span> <span class="ident">a</span>) => <span class="ident">IpAddr::V6</span>(<span class="ident">a</span>.<span class="ident">mask</span>()),
}
}
<span class="doccomment">/// Returns true if the IP in this `IpNetwork` is a valid IPv4 address,</span>
<span class="doccomment">/// false if it's a valid IPv6 address.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">///```</span>
<span class="doccomment">/// use ipnetwork::IpNetwork;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let v4: IpNetwork = IpNetwork::V4("10.9.0.32/16".parse().unwrap());</span>
<span class="doccomment">/// assert_eq!(v4.is_ipv4(), true);</span>
<span class="doccomment">/// assert_eq!(v4.is_ipv6(), false);</span>
<span class="doccomment">///```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_ipv4</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw">_</span>) => <span class="bool-val">true</span>,
<span class="ident">IpNetwork::V6</span>(<span class="kw">_</span>) => <span class="bool-val">false</span>,
}
}
<span class="doccomment">/// Returns true if the IP in this `IpNetwork` is a valid IPv6 address,</span>
<span class="doccomment">/// false if it's a valid IPv4 address.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">///```</span>
<span class="doccomment">/// use ipnetwork::IpNetwork;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let v6: IpNetwork = IpNetwork::V6("ff01::0/32".parse().unwrap());</span>
<span class="doccomment">/// assert_eq!(v6.is_ipv6(), true);</span>
<span class="doccomment">/// assert_eq!(v6.is_ipv4(), false);</span>
<span class="doccomment">///```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_ipv6</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw">_</span>) => <span class="bool-val">false</span>,
<span class="ident">IpNetwork::V6</span>(<span class="kw">_</span>) => <span class="bool-val">true</span>,
}
}
<span class="comment">// TODO(abhishek) when TryFrom is stable, implement it for IpNetwork to</span>
<span class="comment">// variant conversions. Then use that to implement a generic is_subnet_of</span>
<span class="comment">// is_supernet_of, overlaps</span>
<span class="doccomment">/// Checks if a given `IpAddr` is in this `IpNetwork`</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use std::net::IpAddr;</span>
<span class="doccomment">/// use ipnetwork::IpNetwork;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let net: IpNetwork = "127.0.0.0/24".parse().unwrap();</span>
<span class="doccomment">/// let ip1: IpAddr = "127.0.0.1".parse().unwrap();</span>
<span class="doccomment">/// let ip2: IpAddr = "172.0.0.1".parse().unwrap();</span>
<span class="doccomment">/// let ip4: IpAddr = "::1".parse().unwrap();</span>
<span class="doccomment">/// assert!(net.contains(ip1));</span>
<span class="doccomment">/// assert!(!net.contains(ip2));</span>
<span class="doccomment">/// assert!(!net.contains(ip4));</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">contains</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ip</span>: <span class="ident">IpAddr</span>) -> <span class="ident">bool</span> {
<span class="kw">match</span> (<span class="kw-2">*</span><span class="self">self</span>, <span class="ident">ip</span>) {
(<span class="ident">IpNetwork::V4</span>(<span class="ident">net</span>), <span class="ident">IpAddr::V4</span>(<span class="ident">ip</span>)) => <span class="ident">net</span>.<span class="ident">contains</span>(<span class="ident">ip</span>),
(<span class="ident">IpNetwork::V6</span>(<span class="ident">net</span>), <span class="ident">IpAddr::V6</span>(<span class="ident">ip</span>)) => <span class="ident">net</span>.<span class="ident">contains</span>(<span class="ident">ip</span>),
<span class="kw">_</span> => <span class="bool-val">false</span>,
}
}
<span class="doccomment">/// Returns the number of possible host addresses in this `IpAddr`</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use ipnetwork::{IpNetwork, NetworkSize};</span>
<span class="doccomment">///</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let net: IpNetwork = "127.0.0.0/24".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(net.size(), NetworkSize::V4(256))</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">size</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">NetworkSize</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="kw-2">ref</span> <span class="ident">ip</span>) => <span class="ident">NetworkSize::V4</span>(<span class="ident">ip</span>.<span class="ident">size</span>()),
<span class="ident">IpNetwork::V6</span>(<span class="kw-2">ref</span> <span class="ident">ip</span>) => <span class="ident">NetworkSize::V6</span>(<span class="ident">ip</span>.<span class="ident">size</span>()),
}
}
<span class="doccomment">/// Returns an iterator over the addresses contained in the network.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This lists all the addresses in the network range, in ascending order.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">iter</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">IpNetworkIterator</span> {
<span class="kw">let</span> <span class="ident">inner</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="ident">ip</span>) => <span class="ident">IpNetworkIteratorInner::V4</span>(<span class="ident">ip</span>.<span class="ident">iter</span>()),
<span class="ident">IpNetwork::V6</span>(<span class="ident">ip</span>) => <span class="ident">IpNetworkIteratorInner::V6</span>(<span class="ident">ip</span>.<span class="ident">iter</span>()),
};
<span class="ident">IpNetworkIterator</span> { <span class="ident">inner</span> }
}
}
<span class="doccomment">/// Tries to parse the given string into a `IpNetwork`. Will first try to parse</span>
<span class="doccomment">/// it as an `Ipv4Network` and if that fails as an `Ipv6Network`. If both</span>
<span class="doccomment">/// fails it will return an `InvalidAddr` error.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// use std::net::Ipv4Addr;</span>
<span class="doccomment">/// use ipnetwork::{IpNetwork, Ipv4Network};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let expected = IpNetwork::V4(Ipv4Network::new(Ipv4Addr::new(10, 1, 9, 32), 16).unwrap());</span>
<span class="doccomment">/// let from_cidr: IpNetwork = "10.1.9.32/16".parse().unwrap();</span>
<span class="doccomment">/// assert_eq!(expected, from_cidr);</span>
<span class="doccomment">/// ```</span>
<span class="kw">impl</span> <span class="ident">FromStr</span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">type</span> <span class="prelude-val">Err</span> <span class="op">=</span> <span class="ident">IpNetworkError</span>;
<span class="kw">fn</span> <span class="ident">from_str</span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident"><span class="self">Self</span>::Err</span><span class="op">></span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">net</span>) <span class="op">=</span> <span class="ident">Ipv4Network::from_str</span>(<span class="ident">s</span>) {
<span class="prelude-val">Ok</span>(<span class="ident">IpNetwork::V4</span>(<span class="ident">net</span>))
} <span class="kw">else</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">net</span>) <span class="op">=</span> <span class="ident">Ipv6Network::from_str</span>(<span class="ident">s</span>) {
<span class="prelude-val">Ok</span>(<span class="ident">IpNetwork::V6</span>(<span class="ident">net</span>))
} <span class="kw">else</span> {
<span class="prelude-val">Err</span>(<span class="ident">IpNetworkError::InvalidAddr</span>(<span class="ident">s</span>.<span class="ident">to_string</span>()))
}
}
}
<span class="kw">impl</span> <span class="ident">TryFrom</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">str</span><span class="op">></span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">IpNetworkError</span>;
<span class="kw">fn</span> <span class="ident">try_from</span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> {
<span class="ident">IpNetwork::from_str</span>(<span class="ident">s</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">Ipv4Network</span><span class="op">></span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">v4</span>: <span class="ident">Ipv4Network</span>) -> <span class="ident">IpNetwork</span> {
<span class="ident">IpNetwork::V4</span>(<span class="ident">v4</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">Ipv6Network</span><span class="op">></span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">v6</span>: <span class="ident">Ipv6Network</span>) -> <span class="ident">IpNetwork</span> {
<span class="ident">IpNetwork::V6</span>(<span class="ident">v6</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">IpAddr</span><span class="op">></span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">addr</span>: <span class="ident">IpAddr</span>) -> <span class="ident">IpNetwork</span> {
<span class="kw">match</span> <span class="ident">addr</span> {
<span class="ident">IpAddr::V4</span>(<span class="ident">a</span>) => <span class="ident">IpNetwork::V4</span>(<span class="ident">Ipv4Network::from</span>(<span class="ident">a</span>)),
<span class="ident">IpAddr::V6</span>(<span class="ident">a</span>) => <span class="ident">IpNetwork::V6</span>(<span class="ident">Ipv6Network::from</span>(<span class="ident">a</span>)),
}
}
}
<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">IpNetwork</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&mut</span> <span class="ident">fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="ident">fmt::Result</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">IpNetwork::V4</span>(<span class="ident">net</span>) => <span class="ident">net</span>.<span class="ident">fmt</span>(<span class="ident">f</span>),
<span class="ident">IpNetwork::V6</span>(<span class="ident">net</span>) => <span class="ident">net</span>.<span class="ident">fmt</span>(<span class="ident">f</span>),
}
}
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">enum</span> <span class="ident">IpNetworkIteratorInner</span> {
<span class="ident">V4</span>(<span class="ident">Ipv4NetworkIterator</span>),
<span class="ident">V6</span>(<span class="ident">Ipv6NetworkIterator</span>),
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">IpNetworkIterator</span> {
<span class="ident">inner</span>: <span class="ident">IpNetworkIteratorInner</span>,
}
<span class="kw">impl</span> <span class="ident">Iterator</span> <span class="kw">for</span> <span class="ident">IpNetworkIterator</span> {
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">IpAddr</span>;
<span class="kw">fn</span> <span class="ident">next</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">IpAddr</span><span class="op">></span> {
<span class="kw">match</span> <span class="kw-2">&mut</span> <span class="self">self</span>.<span class="ident">inner</span> {
<span class="ident">IpNetworkIteratorInner::V4</span>(<span class="ident">iter</span>) => <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">map</span>(<span class="ident">IpAddr::V4</span>),
<span class="ident">IpNetworkIteratorInner::V6</span>(<span class="ident">iter</span>) => <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">map</span>(<span class="ident">IpAddr::V6</span>),
}
}
}
<span class="kw">impl</span> <span class="ident">IntoIterator</span> <span class="kw">for</span> <span class="kw-2">&</span><span class="lifetime">'_</span> <span class="ident">IpNetwork</span> {
<span class="kw">type</span> <span class="ident">IntoIter</span> <span class="op">=</span> <span class="ident">IpNetworkIterator</span>;
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">IpAddr</span>;
<span class="kw">fn</span> <span class="ident">into_iter</span>(<span class="self">self</span>) -> <span class="ident">IpNetworkIterator</span> {
<span class="self">self</span>.<span class="ident">iter</span>()
}
}
<span class="doccomment">/// Converts a `IpAddr` network mask into a prefix.</span>
<span class="doccomment">/// If the mask is invalid this will return an `IpNetworkError::InvalidPrefix`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ip_mask_to_prefix</span>(<span class="ident">mask</span>: <span class="ident">IpAddr</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u8</span>, <span class="ident">IpNetworkError</span><span class="op">></span> {
<span class="kw">match</span> <span class="ident">mask</span> {
<span class="ident">IpAddr::V4</span>(<span class="ident">mask</span>) => <span class="ident">ipv4_mask_to_prefix</span>(<span class="ident">mask</span>),
<span class="ident">IpAddr::V6</span>(<span class="ident">mask</span>) => <span class="ident">ipv6_mask_to_prefix</span>(<span class="ident">mask</span>),
}
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">test</span> {
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde"</span>)]</span>
<span class="kw">fn</span> <span class="ident">deserialize_from_serde_json_value</span>() {
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="kw">let</span> <span class="ident">network</span> <span class="op">=</span> <span class="ident">IpNetwork::from_str</span>(<span class="string">"0.0.0.0/0"</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">val</span>: <span class="ident">serde_json::value::Value</span> <span class="op">=</span>
<span class="ident">serde_json::from_str</span>(<span class="kw-2">&</span><span class="ident">serde_json::to_string</span>(<span class="kw-2">&</span><span class="ident">network</span>).<span class="ident">unwrap</span>()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">_deser</span>: <span class="ident">IpNetwork</span> <span class="op">=</span> <span class="ident">serde_json::from_value</span>(<span class="ident">val</span>)
.<span class="ident">expect</span>(<span class="string">"Fails to deserialize from json_value::value::Value"</span>);
}
}
</code></pre></div>
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