hawkeye camera support(not tested)

framework/Inspectron.HawkEye/RTSP/Messages/PortCouple.cs

@@ -0,0 +1,103 @@
+using System;
+using System.Diagnostics.Contracts;
+using System.Globalization;
+
+namespace Inspectron.HawkEye.RTSP.Messages
+{
+    /// <summary>
+    /// Describe a couple of port used to transfer video and command.
+    /// </summary>
+    public class PortCouple
+    {
+        /// <summary>
+        /// Gets or sets the first port number.
+        /// </summary>
+        /// <value>The first port.</value>
+        public int First { get; set; }
+        /// <summary>
+        /// Gets or sets the second port number.
+        /// </summary>
+        /// <remarks>If not present the value is 0</remarks>
+        /// <value>The second port.</value>
+        public int Second { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PortCouple"/> class.
+        /// </summary>
+        public PortCouple()
+        { }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PortCouple"/> class.
+        /// </summary>
+        /// <param name="first">The first port.</param>
+        public PortCouple(int first)
+        {
+            First = first;
+            Second = 0;
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PortCouple"/> class.
+        /// </summary>
+        /// <param name="first">The first port.</param>
+        /// <param name="second">The second port.</param>
+        public PortCouple(int first, int second)
+        {
+            First = first;
+            Second = second;
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance has second port.
+        /// </summary>
+        /// <value>
+        /// 	<c>true</c> if this instance has second port; otherwise, <c>false</c>.
+        /// </value>
+        public bool IsSecondPortPresent
+        {
+            get { return Second != 0; }
+        }
+
+        /// <summary>
+        /// Parses the int values of port.
+        /// </summary>
+        /// <param name="stringValue">A string value.</param>
+        /// <returns>The port couple</returns>
+        public static PortCouple Parse(string stringValue)
+        {
+            if (stringValue == null)
+                throw new ArgumentNullException("stringValue");
+            Contract.Requires(!string.IsNullOrEmpty(stringValue));
+
+            string[] values = stringValue.Split('-');
+
+            int tempValue;
+
+            int.TryParse(values[0], out tempValue);
+            PortCouple result = new PortCouple(tempValue);
+
+            tempValue = 0;
+            if (values.Length > 1)
+                int.TryParse(values[1], out tempValue);
+
+            result.Second = tempValue;
+
+            return result;
+        }
+
+        /// <summary>
+        /// Returns a <see cref="System.String"/> that represents this instance.
+        /// </summary>
+        /// <returns>
+        /// A <see cref="System.String"/> that represents this instance.
+        /// </returns>
+        public override string ToString()
+        {
+            if (IsSecondPortPresent)
+                return First.ToString(CultureInfo.InvariantCulture) + "-" + Second.ToString(CultureInfo.InvariantCulture);
+            else
+                return First.ToString(CultureInfo.InvariantCulture);
+        }
+
+
+    }
+}