mDNSResponder-878.250.4.tar.gz

[apple/mdnsresponder.git] / Clients / SimpleChat.NET / SimpleChat.cs

diff --git a/Clients/SimpleChat.NET/SimpleChat.cs b/Clients/SimpleChat.NET/SimpleChat.cs
index cdfdad3ca54b2ce339e0e9098981896bc6f5519c..338bdb78b0ac31da3bb29ffac5dac8b9cff48074 100755 (executable)
--- a/Clients/SimpleChat.NET/SimpleChat.cs
+++ b/Clients/SimpleChat.NET/SimpleChat.cs
@@ -13,34 +13,7 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.

-
-    Change History (most recent first):
-    
-$Log: SimpleChat.cs,v $
-Revision 1.7  2009/06/04 20:21:19  herscher
-<rdar://problem/3948252> Update code to work with DNSSD COM component
-
-Revision 1.6  2006/08/14 23:24:21  cheshire
-Re-licensed mDNSResponder daemon source code under Apache License, Version 2.0
-
-Revision 1.5  2004/09/13 19:37:42  shersche
-Change code to reflect namespace and type changes to dnssd.NET library
-
-Revision 1.4  2004/09/11 05:42:56  shersche
-don't reset SelectedIndex in OnRemove
-
-Revision 1.3  2004/09/11 00:38:58  shersche
-DNSService APIs now expect port in host format
-
-Revision 1.2  2004/07/19 22:08:53  shersche
-Fixed rdata->int conversion problem in QueryRecordReply
-
-Revision 1.1  2004/07/19 07:57:08  shersche
-Initial revision
-
-
-
-*/
+ */

 
 using System;
 using System.Drawing;
 
 using System;
 using System.Drawing;


@@ -65,19 +38,22 @@ namespace SimpleChat.NET
                private System.Windows.Forms.ComboBox   comboBox1;
                private System.Windows.Forms.TextBox    textBox2;
                private System.Windows.Forms.Button     button1;
                private System.Windows.Forms.ComboBox   comboBox1;
                private System.Windows.Forms.TextBox    textBox2;
                private System.Windows.Forms.Button     button1;

-               private System.Windows.Forms.Label      label1;\r
-        private Bonjour.DNSSDEventManager       m_eventManager = null;\r
-        private Bonjour.DNSSDService            m_service = null;\r
-        private Bonjour.DNSSDService            m_registrar = null;\r
-        private Bonjour.DNSSDService            m_browser = null;\r
+               private System.Windows.Forms.Label      label1;
+
+        private Bonjour.DNSSDEventManager       m_eventManager = null;
+        private Bonjour.DNSSDService            m_service = null;
+        private Bonjour.DNSSDService            m_registrar = null;
+        private Bonjour.DNSSDService            m_browser = null;

         private Bonjour.DNSSDService            m_resolver = null;
         private Bonjour.DNSSDService            m_resolver = null;

-               private String                                          m_name;\r
-        private Socket                          m_socket = null;\r
-        private const int                       BUFFER_SIZE = 1024;\r
-        public byte[]                           m_buffer = new byte[BUFFER_SIZE];\r
-        public bool                             m_complete = false;\r
-        public StringBuilder                    m_sb = new StringBuilder();\r
-        delegate void                           ReadMessageCallback(String data);\r
+               private String                                          m_name;
+        private Socket                          m_socket = null;
+        private const int                       BUFFER_SIZE = 1024;
+        public byte[]                           m_buffer = new byte[BUFFER_SIZE];
+        public bool                             m_complete = false;
+        public StringBuilder                    m_sb = new StringBuilder();
+
+        delegate void                           ReadMessageCallback(String data);
+

         ReadMessageCallback                     m_readMessageCallback;
                /// <summary>
                /// Required designer variable.
         ReadMessageCallback                     m_readMessageCallback;
                /// <summary>
                /// Required designer variable.


@@ -89,29 +65,31 @@ namespace SimpleChat.NET
                //
                // Called by DNSServices core as a result of Register()
                // call
                //
                // Called by DNSServices core as a result of Register()
                // call

-               //\r
-\r
-        public void\r
-        ServiceRegistered\r
-                    (\r
-                    DNSSDService service,\r
-                    DNSSDFlags flags,\r
-                    String name,\r
-                    String regType,\r
-                    String domain\r
-                    )\r
-        {\r
-            m_name = name;\r
-\r
-            try\r
-            {\r
-                m_browser = m_service.Browse(0, 0, "_p2pchat._udp", null, m_eventManager);\r
-            }\r
-            catch\r
-            {\r
-                MessageBox.Show("Browse Failed", "Error");\r
-                Application.Exit();\r
-            }\r
+               //
+        public void
+        ServiceRegistered
+                    (
+                    DNSSDService service,
+                    DNSSDFlags flags,
+                    String name,
+                    String regType,
+                    String domain
+                    )
+        {
+            m_name = name;
+
+                       //
+                       // Try to start browsing for other instances of this service
+                       //
+            try
+            {
+                m_browser = m_service.Browse(0, 0, "_p2pchat._udp", null, m_eventManager);
+            }
+            catch
+            {
+                MessageBox.Show("Browse Failed", "Error");
+                Application.Exit();
+            }

         }
 
                //
         }
 
                //


@@ -119,7 +97,6 @@ namespace SimpleChat.NET
                //
                // Called by DNSServices core as a result of a Browse call
                //
                //
                // Called by DNSServices core as a result of a Browse call
                //

-

                public void
         ServiceFound
                                    (
                public void
         ServiceFound
                                    (


@@ -130,52 +107,51 @@ namespace SimpleChat.NET
                     String          regType,
                     String          domain
                                    )
                     String          regType,
                     String          domain
                                    )

-               {\r
-            if (serviceName != m_name)\r
-            {\r
-                PeerData peer = new PeerData();\r
-\r
-                peer.InterfaceIndex = ifIndex;\r
-                peer.Name = serviceName;\r
-                peer.Type = regType;\r
-                peer.Domain = domain;\r
-                peer.Address = null;\r
-\r
-                comboBox1.Items.Add(peer);\r
-\r
-                if (comboBox1.Items.Count == 1)\r
-                {\r
-                    comboBox1.SelectedIndex = 0;\r
-                }\r
+               {
+            if (serviceName != m_name)
+            {
+                PeerData peer = new PeerData();
+
+                peer.InterfaceIndex = ifIndex;
+                peer.Name = serviceName;
+                peer.Type = regType;
+                peer.Domain = domain;
+                peer.Address = null;
+
+                comboBox1.Items.Add(peer);
+
+                if (comboBox1.Items.Count == 1)
+                {
+                    comboBox1.SelectedIndex = 0;
+                }

             }
             }

-               }\r
-\r
-        //\r
-        // ServiceLost\r
-        //\r
-        // Called by DNSServices core as a result of a Browse call\r
-        //\r
-\r
-        public void\r
-        ServiceLost\r
-                    (\r
-                    DNSSDService sref,\r
-                    DNSSDFlags flags,\r
-                    uint ifIndex,\r
-                    String serviceName,\r
-                    String regType,\r
-                    String domain\r
-                    )\r
-        {\r
-            PeerData peer = new PeerData();\r
-\r
-            peer.InterfaceIndex = ifIndex;\r
-            peer.Name = serviceName;\r
-            peer.Type = regType;\r
-            peer.Domain = domain;\r
-            peer.Address = null;\r
-\r
-            comboBox1.Items.Remove(peer);\r
+               }
+
+        //
+        // ServiceLost
+        //
+        // Called by DNSServices core as a result of a Browse call
+        //
+        public void
+        ServiceLost
+                    (
+                    DNSSDService sref,
+                    DNSSDFlags flags,
+                    uint ifIndex,
+                    String serviceName,
+                    String regType,
+                    String domain
+                    )
+        {
+            PeerData peer = new PeerData();
+
+            peer.InterfaceIndex = ifIndex;
+            peer.Name = serviceName;
+            peer.Type = regType;
+            peer.Domain = domain;
+            peer.Address = null;
+
+            comboBox1.Items.Remove(peer);

         }
 
                //
         }
 
                //


@@ -184,34 +160,36 @@ namespace SimpleChat.NET
                // Called by DNSServices core as a result of DNSService.Resolve()
                // call
                //
                // Called by DNSServices core as a result of DNSService.Resolve()
                // call
                //

-\r
-        public void\r
-        ServiceResolved\r
-                    (\r
-                    DNSSDService sref,\r
-                    DNSSDFlags flags,\r
-                    uint ifIndex,\r
-                    String fullName,\r
-                    String hostName,\r
-                    ushort port,\r
-                    TXTRecord txtRecord\r
+        public void
+        ServiceResolved
+                    (
+                    DNSSDService sref,
+                    DNSSDFlags flags,
+                    uint ifIndex,
+                    String fullName,
+                    String hostName,
+                    ushort port,
+                    TXTRecord txtRecord

                     )
                     )

-               {\r
-            m_resolver.Stop();\r
-            m_resolver = null;\r
-\r
-            PeerData peer = (PeerData)comboBox1.SelectedItem;\r
-\r
-            peer.Port = port;\r
-\r
-            try\r
-            {\r
-                m_resolver = m_service.QueryRecord(0, ifIndex, hostName, DNSSDRRType.kDNSSDType_A, DNSSDRRClass.kDNSSDClass_IN, m_eventManager );\r
-            }\r
-            catch\r
-            {\r
-                MessageBox.Show("QueryRecord Failed", "Error");\r
-                Application.Exit();\r
+               {
+            m_resolver.Stop();
+            m_resolver = null;
+
+            PeerData peer = (PeerData)comboBox1.SelectedItem;
+
+            peer.Port = port;
+
+                       //
+                       // Query for the IP address associated with "hostName"
+                       //
+            try
+            {
+                m_resolver = m_service.QueryRecord(0, ifIndex, hostName, DNSSDRRType.kDNSSDType_A, DNSSDRRClass.kDNSSDClass_IN, m_eventManager );
+            }
+            catch
+            {
+                MessageBox.Show("QueryRecord Failed", "Error");
+                Application.Exit();

             }
                }
 
             }
                }
 


@@ -221,7 +199,6 @@ namespace SimpleChat.NET
                // Called by DNSServices core as a result of DNSService.QueryRecord()
                // call
                //
                // Called by DNSServices core as a result of DNSService.QueryRecord()
                // call
                //

-

                public void
                QueryAnswered
                        (
                public void
                QueryAnswered
                        (


@@ -234,51 +211,55 @@ namespace SimpleChat.NET
             Object          rdata,
             uint            ttl
             )
             Object          rdata,
             uint            ttl
             )

-        {\r
-            m_resolver.Stop();\r
-            m_resolver = null;\r
-\r
-            PeerData peer = (PeerData) comboBox1.SelectedItem;\r
+        {
+                       //
+                       // Stop the resolve to reduce the burden on the network
+                       //
+            m_resolver.Stop();
+            m_resolver = null;

 
 

+            PeerData peer = (PeerData) comboBox1.SelectedItem;

                        uint bits = BitConverter.ToUInt32( (Byte[])rdata, 0);
                        System.Net.IPAddress address = new System.Net.IPAddress(bits);
 
             peer.Address = address;
                        uint bits = BitConverter.ToUInt32( (Byte[])rdata, 0);
                        System.Net.IPAddress address = new System.Net.IPAddress(bits);
 
             peer.Address = address;

-               }\r
-\r
-        public void\r
-        OperationFailed\r
-                    (\r
-                    DNSSDService service,\r
-                    DNSSDError error\r
-                    )\r
-        {\r
-            MessageBox.Show("Operation returned an error code " + error, "Error");\r
-        }\r
-\r
-        //\r
-        // OnReadMessage\r
-        //\r
-        // Called when there is data to be read on a socket\r
-        //\r
-        // This is called (indirectly) from OnReadSocket()\r
-        //\r
-        private void\r
-        OnReadMessage\r
-                (\r
-                String msg\r
-                )\r
-        {\r
-            int rgb = 0;\r
-\r
-            for (int i = 0; i < msg.Length && msg[i] != ':'; i++)\r
-            {\r
-                rgb = rgb ^ ((int)msg[i] << (i % 3 + 2) * 8);\r
-            }\r
-\r
-            Color color = Color.FromArgb(rgb & 0x007F7FFF);\r
-            richTextBox1.SelectionColor = color;\r
-            richTextBox1.AppendText(msg + Environment.NewLine);\r
+               }
+
+        public void
+        OperationFailed
+                    (
+                    DNSSDService service,
+                    DNSSDError error
+                    )
+        {
+            MessageBox.Show("Operation returned an error code " + error, "Error");
+        }
+
+        //
+        // OnReadMessage
+        //
+        // Called when there is data to be read on a socket
+        //
+        // This is called (indirectly) from OnReadSocket()
+        //
+        private void
+        OnReadMessage
+                (
+                String msg
+                )
+        {
+            int rgb = 0;
+
+            for (int i = 0; i < msg.Length && msg[i] != ':'; i++)
+            {
+                rgb = rgb ^ ((int)msg[i] << (i % 3 + 2) * 8);
+
+            }
+
+            Color color = Color.FromArgb(rgb & 0x007F7FFF);
+
+            richTextBox1.SelectionColor = color;
+            richTextBox1.AppendText(msg + Environment.NewLine);

         }
 
                //
         }
 
                //


@@ -317,26 +298,32 @@ namespace SimpleChat.NET
                        //
                        // Required for Windows Form Designer support
                        //
                        //
                        // Required for Windows Form Designer support
                        //

-                       InitializeComponent();\r
-\r
-            try\r
-            {\r
-                m_service = new DNSSDService();\r
-            }\r
-            catch\r
-            {\r
-                MessageBox.Show("Bonjour Service is not available", "Error");\r
-                Application.Exit();\r
-            }\r
-\r
-            m_eventManager = new DNSSDEventManager();\r
-            m_eventManager.ServiceRegistered += new _IDNSSDEvents_ServiceRegisteredEventHandler(this.ServiceRegistered);\r
-            m_eventManager.ServiceFound += new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);\r
-            m_eventManager.ServiceLost += new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);\r
-            m_eventManager.ServiceResolved += new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);\r
-            m_eventManager.QueryRecordAnswered += new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);\r
+                       InitializeComponent();
+
+            try
+            {
+                m_service = new DNSSDService();
+            }
+            catch
+            {
+                MessageBox.Show("Bonjour Service is not available", "Error");
+                Application.Exit();
+            }
+
+                       //
+                       // Associate event handlers with all the Bonjour events that the app is interested in.
+                       //
+            m_eventManager = new DNSSDEventManager();
+            m_eventManager.ServiceRegistered += new _IDNSSDEvents_ServiceRegisteredEventHandler(this.ServiceRegistered);
+            m_eventManager.ServiceFound += new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);
+            m_eventManager.ServiceLost += new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);
+            m_eventManager.ServiceResolved += new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);
+            m_eventManager.QueryRecordAnswered += new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);

             m_eventManager.OperationFailed += new _IDNSSDEvents_OperationFailedEventHandler(this.OperationFailed);
 
             m_eventManager.OperationFailed += new _IDNSSDEvents_OperationFailedEventHandler(this.OperationFailed);
 

+                       //
+                       // Socket read handler
+                       //

                        m_readMessageCallback = new ReadMessageCallback(OnReadMessage);
 
                        this.Load += new System.EventHandler(this.Form1_Load);
                        m_readMessageCallback = new ReadMessageCallback(OnReadMessage);
 
                        this.Load += new System.EventHandler(this.Form1_Load);


@@ -365,17 +352,17 @@ namespace SimpleChat.NET
                                if (m_browser != null)
                                {
                                        m_browser.Stop();
                                if (m_browser != null)
                                {
                                        m_browser.Stop();

-                               }\r
-\r
-                if (m_resolver != null)\r
-                {\r
-                    m_resolver.Stop();\r
-                }\r
-\r
-                m_eventManager.ServiceFound -= new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);\r
-                m_eventManager.ServiceLost -= new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);\r
-                m_eventManager.ServiceResolved -= new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);\r
-                m_eventManager.QueryRecordAnswered -= new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);\r
+                               }
+
+                if (m_resolver != null)
+                {
+                    m_resolver.Stop();
+                }
+
+                m_eventManager.ServiceFound -= new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);
+                m_eventManager.ServiceLost -= new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);
+                m_eventManager.ServiceResolved -= new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);
+                m_eventManager.QueryRecordAnswered -= new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);

                 m_eventManager.OperationFailed -= new _IDNSSDEvents_OperationFailedEventHandler(this.OperationFailed);
                        }
                        base.Dispose( disposing );
                 m_eventManager.OperationFailed -= new _IDNSSDEvents_OperationFailedEventHandler(this.OperationFailed);
                        }
                        base.Dispose( disposing );


@@ -517,8 +504,10 @@ namespace SimpleChat.NET
 
                        Byte[] bytes = Encoding.UTF8.GetBytes(message);
 
 
                        Byte[] bytes = Encoding.UTF8.GetBytes(message);
 

-            IPEndPoint endPoint = new IPEndPoint( peer.Address, peer.Port );\r
-\r
+            IPEndPoint endPoint = new IPEndPoint( peer.Address, peer.Port );
+
+
+

             m_socket.SendTo(bytes, endPoint);
 
                        richTextBox1.SelectionColor = Color.Black;
             m_socket.SendTo(bytes, endPoint);
 
                        richTextBox1.SelectionColor = Color.Black;


@@ -558,54 +547,55 @@ namespace SimpleChat.NET
                                Application.Exit();
                        }
                }
                                Application.Exit();
                        }
                }

-       }\r
-\r
-    //\r
-    // PeerData\r
-    //\r
-    // Holds onto the information associated with a peer on the network\r
-    //\r
-    public class PeerData\r
-    {\r
-        public uint InterfaceIndex;\r
-        public String Name;\r
-        public String Type;\r
-        public String Domain;\r
-        public IPAddress Address;\r
-        public int Port;\r
-\r
-        public override String\r
-        ToString()\r
-        {\r
-            return Name;\r
-        }\r
-\r
-        public override bool\r
-        Equals(object other)\r
-        {\r
-            bool result = false;\r
-\r
-            if (other != null)\r
-            {\r
-                if ((object)this == other)\r
-                {\r
-                    result = true;\r
-                }\r
-                else if (other is PeerData)\r
-                {\r
-                    PeerData otherPeerData = (PeerData)other;\r
-\r
-                    result = (this.Name == otherPeerData.Name);\r
-                }\r
-            }\r
-\r
-            return result;\r
-        }\r
-\r
-        public override int\r
-        GetHashCode()\r
-        {\r
-            return Name.GetHashCode();\r
-        }\r
+       }
+
+    //
+    // PeerData
+    //
+    // Holds onto the information associated with a peer on the network
+    //
+    public class PeerData
+    {
+        public uint InterfaceIndex;
+        public String Name;
+        public String Type;
+        public String Domain;
+        public IPAddress Address;
+        public int Port;
+
+        public override String
+        ToString()
+        {
+            return Name;
+        }
+
+        public override bool
+        Equals(object other)
+        {
+            bool result = false;
+
+            if (other != null)
+            {
+                if ((object)this == other)
+                {
+                    result = true;
+                }
+                else if (other is PeerData)
+                {
+                    PeerData otherPeerData = (PeerData)other;
+
+                    result = (this.Name == otherPeerData.Name);
+                }
+            }
+
+            return result;
+        }
+
+
+        public override int
+        GetHashCode()
+        {
+            return Name.GetHashCode();
+        }

     };
 }
     };
 }