lduchosal / ipnetwork / 809

Committed 17 Aug 2025 08:25AM UTC coverage: 93.223% (-1.0%) from 94.226%

Build # 809

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appveyor

Committed by

web-flow

Commit Message

Chore: cleanup, breaking changes, enum, tryparse, exception, static ListIPAddress (#363)

* Chore: huge cleanup, enum, tryparse, exception, static ListIPAddress, important changes : IPNetwork comparison and sort order have change to reflect expected behavoir
* Fix: obsolete enums
* Fix: network sorting and member comparison
* Chore: upgrade version number 3.3

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97.94

/src/System.Net.IPNetwork/IPNetwork2Members.cs

// <copyright file="IPNetwork2Members.cs" company="IPNetwork">
// Copyright (c) IPNetwork. All rights reserved.
// </copyright>

namespace System.Net;

using System.Numerics;
using System.Net.Sockets;
using System.Runtime.Serialization;

/// <summary>
/// Properties and members of IPNetwork2.
/// </summary>
public partial class IPNetwork2
{
    private readonly object sync = new ();
    private readonly int hashCode;
    private BigInteger ipaddress;
    private byte cidr;
    private BigInteger? cachedBroadcast;

    private AddressFamily family;

    /// <summary>
    /// Gets or sets a value indicating whether gets or sets the value of the IPNetwork property.
    /// </summary>
    [DataMember(Name = "IPNetwork", IsRequired = true)]
    public string Value
    {
        get
        {
            return this.ToString();
        }

        set
        {
            var ipnetwork = Parse(value);
            this.ipaddress = ipnetwork.ipaddress;
            this.family = ipnetwork.family;
            this.cidr = ipnetwork.cidr;
            lock (this.sync)
            {
                this.cachedBroadcast = null;
            }
        }
    }

    /// <summary>
    /// Gets network address.
    /// </summary>
    public IPAddress Network
    {
        get
        {
            return ToIPAddress(this.InternalNetwork, this.family);
        }
    }

    /// <summary>
    /// Gets address Family.
    /// </summary>
    public AddressFamily AddressFamily
    {
        get
        {
            return this.family;
        }
    }

    /// <summary>
    /// Gets netmask.
    /// </summary>
    public IPAddress Netmask
    {
        get
        {
            return ToIPAddress(this.InternalNetmask, this.family);
        }
    }

    /// <summary>
    /// Gets broadcast address.
    /// </summary>
    public IPAddress Broadcast
    {
        get
        {
            if (this.family == AddressFamily.InterNetworkV6)
            {
                return null;
            }

            return ToIPAddress(this.InternalBroadcast, this.family);
        }
    }

    /// <summary>
    /// Gets first usable IPAddress in Network.
    /// </summary>
    public IPAddress FirstUsable
    {
        get
        {
            BigInteger first = this.InternalNetwork;
            if (this.family == AddressFamily.InterNetwork
                && this.Usable > 1)
            {
                first+= 1;
            }
            return ToIPAddress(first, this.family);
        }
    }

    /// <summary>
    /// Gets last usable IPAddress in Network.
    /// </summary>
    public IPAddress LastUsable
    {
        get
        {
            BigInteger last = this.InternalBroadcast;
            if (this.family == AddressFamily.InterNetwork
                && this.Usable > 1)
            {
                last -= 1;
            }
            return ToIPAddress(last, this.family);
        }
    }

    /// <summary>
    /// Gets number of usable IPAddress in Network.
    /// 
    /// According to : https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing#IPv4_CIDR_blocks
    /// Address         Mask                        Total         Usable         Network         Broadcast         FirstUsable         LastUsable         Typical use
    /// 1.0.0.1/32         255.255.255.255         1         **1**         1.0.0.1         1.0.0.1         1.0.0.1         1.0.0.1         Host route
    /// 1.0.0.1/31         255.255.255.254         2         **2**         1.0.0.1         1.0.0.2         1.0.0.1         1.0.0.2         Point-to-point links (RFC 3021)
    /// ...
    /// </summary>
    public BigInteger Usable
    {
        get
        {
            if (this.family == AddressFamily.InterNetworkV6)
            {
                return this.Total;
            }

            byte[] mask = [0xff, 0xff, 0xff, 0xff, 0x00];
            var bmask = new BigInteger(mask);
            BigInteger usableIps;
            if (this.cidr == 32)
            {
                usableIps = 1;
            }
            else if (this.cidr == 31)
            {
                usableIps = 2;
            }
            else
            {
                usableIps = ((bmask >> this.cidr)- 1);
            }
            return usableIps;
        }
    }

    /// <summary>
    /// Gets number of IPAddress in Network.
    /// </summary>
    public BigInteger Total
    {
        get
        {
            int max = this.family == AddressFamily.InterNetwork ? 32 : 128;
            var count = BigInteger.Pow(2, max - this.cidr);
            return count;
        }
    }

    /// <summary>
    /// Gets the CIDR netmask notation.
    /// </summary>
    public byte Cidr
    {
        get
        {
            return this.cidr;
        }
    }

    /// <summary>
    /// Gets the broadcast address calculated from the network address and the netmask.
    /// </summary>
    internal BigInteger InternalBroadcast
    {
        get
        {
            var cached = this.cachedBroadcast;
            if (cached != null)
            {
                return cached.Value;
            }

            lock (this.sync)
            {
                var cached2 = this.cachedBroadcast;
                if (cached2 != null)
                {
                    return cached2.Value;
                }

                var network = this.InternalNetwork;
                var computed = CreateBroadcast(ref network, this.InternalNetmask, this.family);
                this.cachedBroadcast = computed;
                return computed;
            }
        }
    }

    /// <summary>
    /// Gets the network address calculated by applying the subnet mask to the IP address.
    /// </summary>
    internal BigInteger InternalNetwork
    {
        get
        {
            BigInteger uintNetwork = this.ipaddress & this.InternalNetmask;
            return uintNetwork;
        }
    }

    /// <summary>
    /// Gets the netmask as a BigInteger representation based on the CIDR and address family.
    /// </summary>
    internal BigInteger InternalNetmask
    {
        get
        {
            return ToUint(this.cidr, this.family);
        }
    }
}

1	// <copyright file="IPNetwork2Members.cs" company="IPNetwork">
2	// Copyright (c) IPNetwork. All rights reserved.
3	// </copyright>
4
5	namespace System.Net;
6
7	using System.Numerics;
8	using System.Net.Sockets;
9	using System.Runtime.Serialization;
10
11	/// <summary>
12	/// Properties and members of IPNetwork2.
13	/// </summary>
14	public partial class IPNetwork2
15	{
16	private readonly object sync = new ();	8,135,798✔
17	private readonly int hashCode;
18	private BigInteger ipaddress;
19	private byte cidr;
20	private BigInteger? cachedBroadcast;
21
22	private AddressFamily family;
23
24	/// <summary>
25	/// Gets or sets a value indicating whether gets or sets the value of the IPNetwork property.
26	/// </summary>
27	[DataMember(Name = "IPNetwork", IsRequired = true)]
28	public string Value
29	{
30	get
31	{	2,000,002✔
32	return this.ToString();	2,000,002✔
33	}	2,000,002✔
34
35	set
36	{	2,000,004✔
37	var ipnetwork = Parse(value);	2,000,004✔
38	this.ipaddress = ipnetwork.ipaddress;	2,000,004✔
39	this.family = ipnetwork.family;	2,000,004✔
40	this.cidr = ipnetwork.cidr;	2,000,004✔
41	lock (this.sync)	2,000,004✔
42	{	2,000,004✔
43	this.cachedBroadcast = null;	2,000,004✔
44	}	2,000,004✔
45	}	2,000,004✔
46	}
47
48	/// <summary>
49	/// Gets network address.
50	/// </summary>
51	public IPAddress Network
52	{
53	get
54	{	4,137,350✔
55	return ToIPAddress(this.InternalNetwork, this.family);	4,137,350✔
56	}	4,137,350✔
57	}
58
59	/// <summary>
60	/// Gets address Family.
61	/// </summary>
62	public AddressFamily AddressFamily
63	{
64	get
65	{	135,835✔
66	return this.family;	135,835✔
67	}	135,835✔
68	}
69
70	/// <summary>
71	/// Gets netmask.
72	/// </summary>
73	public IPAddress Netmask
74	{
75	get
76	{	367✔
77	return ToIPAddress(this.InternalNetmask, this.family);	367✔
78	}	367✔
79	}
80
81	/// <summary>
82	/// Gets broadcast address.
83	/// </summary>
84	public IPAddress Broadcast
85	{
86	get
87	{	67,259✔
88	if (this.family == AddressFamily.InterNetworkV6)	67,259✔
89	{	31✔
90	return null;	31✔
91	}
92
93	return ToIPAddress(this.InternalBroadcast, this.family);	67,228✔
94	}	67,259✔
95	}
96
97	/// <summary>
98	/// Gets first usable IPAddress in Network.
99	/// </summary>
100	public IPAddress FirstUsable
101	{
102	get
103	{	1,355✔
104	BigInteger first = this.InternalNetwork;	1,355✔
105	if (this.family == AddressFamily.InterNetwork	1,355✔
106	&& this.Usable > 1)	1,355✔
107	{	287✔
108	first+= 1;	287✔
109	}	287✔
110	return ToIPAddress(first, this.family);	1,355✔
111	}	1,355✔
112	}
113
114	/// <summary>
115	/// Gets last usable IPAddress in Network.
116	/// </summary>
117	public IPAddress LastUsable
118	{
119	get
120	{	1,874✔
121	BigInteger last = this.InternalBroadcast;	1,874✔
122	if (this.family == AddressFamily.InterNetwork	1,874✔
123	&& this.Usable > 1)	1,874✔
124	{	287✔
125	last -= 1;	287✔
126	}	287✔
127	return ToIPAddress(last, this.family);	1,874✔
128	}	1,874✔
129	}
130
131	/// <summary>
132	/// Gets number of usable IPAddress in Network.
133	///
134	/// According to : https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing#IPv4_CIDR_blocks
135	/// Address Mask Total Usable Network Broadcast FirstUsable LastUsable Typical use
136	/// 1.0.0.1/32 255.255.255.255 1 1 1.0.0.1 1.0.0.1 1.0.0.1 1.0.0.1 Host route
137	/// 1.0.0.1/31 255.255.255.254 2 2 1.0.0.1 1.0.0.2 1.0.0.1 1.0.0.2 Point-to-point links (RFC 3021)
138	/// ...
139	/// </summary>
140	public BigInteger Usable
141	{
142	get
143	{	2,972✔
144	if (this.family == AddressFamily.InterNetworkV6)	2,972✔
145	{	32✔
146	return this.Total;	32✔
147	}
148
149	byte[] mask = [0xff, 0xff, 0xff, 0xff, 0x00];	2,940✔
150	var bmask = new BigInteger(mask);	2,940✔
151	BigInteger usableIps;
152	if (this.cidr == 32)	2,940✔
153	{	2,073✔
154	usableIps = 1;	2,073✔
155	}	2,073✔
156	else if (this.cidr == 31)	867✔
157	{	1✔
158	usableIps = 2;	1✔
159	}	1✔
160	else
161	{	866✔
162	usableIps = ((bmask >> this.cidr)- 1);	866✔
163	}	866✔
164	return usableIps;	2,940✔
165	}	2,972✔
166	}
167
168	/// <summary>
169	/// Gets number of IPAddress in Network.
170	/// </summary>
171	public BigInteger Total
172	{
173	get
174	{	1,628✔
175	int max = this.family == AddressFamily.InterNetwork ? 32 : 128;	1,628✔
176	var count = BigInteger.Pow(2, max - this.cidr);	1,628✔
177	return count;	1,628✔
178	}	1,628✔
179	}
180
181	/// <summary>
182	/// Gets the CIDR netmask notation.
183	/// </summary>
184	public byte Cidr
185	{
186	get
187	{	4,206,178✔
188	return this.cidr;	4,206,178✔
189	}	4,206,178✔
190	}
191
192	/// <summary>
193	/// Gets the broadcast address calculated from the network address and the netmask.
194	/// </summary>
195	internal BigInteger InternalBroadcast
196	{
197	get
198	{	666,529✔
199	var cached = this.cachedBroadcast;	666,529✔
200	if (cached != null)	666,529✔
201	{	531,855✔
202	return cached.Value;	531,855✔
203	}
204
205	lock (this.sync)	134,674✔
206	{	134,674✔
207	var cached2 = this.cachedBroadcast;	134,674✔
208	if (cached2 != null)	134,674✔
209	{	×
210	return cached2.Value;	×
211	}
212
213	var network = this.InternalNetwork;	134,674✔
214	var computed = CreateBroadcast(ref network, this.InternalNetmask, this.family);	134,674✔
215	this.cachedBroadcast = computed;	134,674✔
216	return computed;	134,674✔
217	}
218	}	666,529✔
219	}
220
221	/// <summary>
222	/// Gets the network address calculated by applying the subnet mask to the IP address.
223	/// </summary>
224	internal BigInteger InternalNetwork
225	{
226	get
227	{	13,170,574✔
228	BigInteger uintNetwork = this.ipaddress & this.InternalNetmask;	13,170,574✔
229	return uintNetwork;	13,170,574✔
230	}	13,170,574✔
231	}
232
233	/// <summary>
234	/// Gets the netmask as a BigInteger representation based on the CIDR and address family.
235	/// </summary>
236	internal BigInteger InternalNetmask
237	{
238	get
239	{	13,305,817✔
240	return ToUint(this.cidr, this.family);	13,305,817✔
241	}	13,305,817✔
242	}
243	}

lduchosal / ipnetwork / 809

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