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Assets/BestHTTP/SocketIO/HandshakeData.cs

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+#if !BESTHTTP_DISABLE_SOCKETIO
+
+using System;
+using System.Collections.Generic;
+
+namespace BestHTTP.SocketIO
+{
+    using BestHTTP.JSON;
+
+    /// <summary>
+    /// Helper class to parse and hold handshake information.
+    /// </summary>
+    public sealed class HandshakeData
+    {
+        #region Public Handshake Data
+
+        /// <summary>
+        /// Session ID of this connection.
+        /// </summary>
+        public string Sid { get; private set; }
+
+        /// <summary>
+        /// List of possible upgrades.
+        /// </summary>
+        public List<string> Upgrades { get; private set; }
+
+        /// <summary>
+        /// What interval we have to set a ping message.
+        /// </summary>
+        public TimeSpan PingInterval { get; private set; }
+
+        /// <summary>
+        /// What time have to pass without an answer to our ping request when we can consider the connection disconnected.
+        /// </summary>
+        public TimeSpan PingTimeout { get; private set; }
+
+        #endregion
+
+        #region Helper Methods
+
+        public bool Parse(string str)
+        {
+            bool success = false;
+            Dictionary<string, object> dict = Json.Decode(str, ref success) as Dictionary<string, object>;
+            if (!success)
+                return false;
+
+            try
+            {
+                this.Sid = GetString(dict, "sid");
+                this.Upgrades = GetStringList(dict, "upgrades");
+                this.PingInterval = TimeSpan.FromMilliseconds(GetInt(dict, "pingInterval"));
+                this.PingTimeout = TimeSpan.FromMilliseconds(GetInt(dict, "pingTimeout"));
+            }
+            catch
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        private static object Get(Dictionary<string, object> from, string key)
+        {
+            object value;
+            if (!from.TryGetValue(key, out value))
+                throw new System.Exception(string.Format("Can't get {0} from Handshake data!", key));
+            return value;
+        }
+
+        private static string GetString(Dictionary<string, object> from, string key)
+        {
+            return Get(from, key) as string;
+        }
+
+        private static List<string> GetStringList(Dictionary<string, object> from, string key)
+        {
+            List<object> value = Get(from, key) as List<object>;
+
+            List<string> result = new List<string>(value.Count);
+            for (int i = 0; i < value.Count; ++i)
+            {
+                string str = value[i] as string;
+                if (str != null)
+                    result.Add(str);
+            }
+
+            return result;
+        }
+
+        private static int GetInt(Dictionary<string, object> from, string key)
+        {
+            return (int)(double)Get(from, key);
+        }
+
+        #endregion
+    }
+}
+
+#endif