done

Netch/3rd/DnsClient.NET/Protocol/HinfoRecord.cs

@@ -0,0 +1,63 @@
+namespace DnsClient.Protocol
+{
+    /*
+    https://tools.ietf.org/html/rfc1035#section-3.3.11:
+    3.3.2. HINFO RDATA format
+
+        +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+        /                      CPU                      /
+        +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+        /                       OS                      /
+        +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
+
+    where:
+
+    CPU             A <character-string> which specifies the CPU type.
+
+    OS              A <character-string> which specifies the operating
+                    system type.
+     */
+
+    /// <summary>
+    /// A <see cref="DnsResourceRecord"/> used to acquire general information about a host.
+    /// </summary>
+    /// <seealso href="https://tools.ietf.org/html/rfc1035#section-3.3.11">RFC 1035</seealso>
+    /// <seealso href="https://tools.ietf.org/html/rfc1010">RFC 1010</seealso>
+    public class HInfoRecord : DnsResourceRecord
+    {
+        /// <summary>
+        /// Gets a <c>string</c> which specifies the CPU type.
+        /// </summary>
+        /// <value>
+        /// The cpu.
+        /// </value>
+        public string Cpu { get; }
+
+        /// <summary>
+        /// Gets a <c>string</c> which specifies the operating system type.
+        /// </summary>
+        /// <value>
+        /// The os.
+        /// </value>
+        public string OS { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="HInfoRecord"/> class.
+        /// </summary>
+        /// <param name="info">The information.</param>
+        /// <param name="cpu">The cpu.</param>
+        /// <param name="os">The os.</param>
+        /// <exception cref="System.ArgumentNullException">If <paramref name="info"/> is null.</exception>
+        public HInfoRecord(ResourceRecordInfo info, string cpu, string os)
+            : base(info)
+        {
+            Cpu = cpu;
+            OS = os;
+        }
+
+        private protected override string RecordToString()
+        {
+            return $"\"{Cpu}\" \"{OS}\"";
+        }
+    }
+}