From 05c0964e20db84a666457253a948c2df995b3093 Mon Sep 17 00:00:00 2001
From: fcolin
Date: Thu, 1 Feb 2007 10:02:58 +0000
Subject:  Utilisateur : Fcolin       Date : 29/11/05   Heure : 16:23 Créé
 Commentaire:  (vss 1)

---
 CSharp/Ivy/IvyPPC/IvyUDPStreamV4.cs | 65 +++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 CSharp/Ivy/IvyPPC/IvyUDPStreamV4.cs

diff --git a/CSharp/Ivy/IvyPPC/IvyUDPStreamV4.cs b/CSharp/Ivy/IvyPPC/IvyUDPStreamV4.cs
new file mode 100644
index 0000000..d5319c8
--- /dev/null
+++ b/CSharp/Ivy/IvyPPC/IvyUDPStreamV4.cs
@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Net;
+using System.Net.Sockets;
+using System.IO;
+
+namespace IvyBus
+{
+    class IvyUDPStream
+    {
+        Socket socket;
+        BinaryReader input;
+		BinaryWriter output;
+        byte[] buffer;
+        MemoryStream out_stream;
+        MemoryStream in_stream;
+
+		public IvyUDPStream(Socket _socket) 
+		{
+            socket = _socket;
+            buffer = new byte[4096];
+            in_stream = new MemoryStream(buffer);
+			input = new BinaryReader( in_stream,Encoding.ASCII);
+            out_stream = new MemoryStream();
+            output = new BinaryWriter(out_stream, Encoding.ASCII);
+		}
+
+        internal void receiveMsg(out IPEndPoint remote, out int version, out int port, out string appId, out string appName)
+        {
+            int len;
+            IPEndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
+            EndPoint tempRemoteEP = (EndPoint)remoteEP;
+            remoteEP = null;
+            len = socket.ReceiveFrom(buffer, ref tempRemoteEP);
+            remote = (IPEndPoint)tempRemoteEP;
+            in_stream.Position = 0;
+            version = (ushort)IPAddress.NetworkToHostOrder((short)input.ReadUInt16());
+            port = (ushort)IPAddress.NetworkToHostOrder((short)input.ReadUInt16());
+            int lenAppId = (ushort)IPAddress.NetworkToHostOrder((short)input.ReadUInt16());
+            appId = new String(input.ReadChars(lenAppId));
+            int lenAppNameId = (ushort)IPAddress.NetworkToHostOrder((short)input.ReadUInt16());
+            appName = new String(input.ReadChars(lenAppNameId));
+        
+        }
+
+        internal void sendMsg(IPEndPoint EPhost, int port, string appId, string appName)
+        {
+            output.Write((ushort)IPAddress.HostToNetworkOrder((short)(Ivy.PROCOCOLVERSION)));
+            output.Write((ushort)IPAddress.HostToNetworkOrder((short)port));
+            output.Write((ushort)IPAddress.HostToNetworkOrder((short)appId.Length));
+            output.Write(appId.ToCharArray());
+            output.Write((ushort)IPAddress.HostToNetworkOrder((short)appName.Length));
+            output.Write(appName.ToCharArray());
+            output.Flush();
+
+            byte[] hellob = out_stream.GetBuffer();
+            socket.SendTo(hellob, (int)out_stream.Length, 0, EPhost); // notifies our arrival on each domain: protocol version + port
+        }
+        internal void Close()
+        {
+            socket.Close();
+        }
+    }
+}
-- 
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