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 32191cbe819b009215150764eb410acf6967addc..338bdb78b0ac31da3bb29ffac5dac8b9cff48074 100755 (executable)
--- a/Clients/SimpleChat.NET/SimpleChat.cs
+++ b/Clients/SimpleChat.NET/SimpleChat.cs
@@ -41,24 +41,15 @@ namespace SimpleChat.NET
                private System.Windows.Forms.Label      label1;
 
         private Bonjour.DNSSDEventManager       m_eventManager = null;
                private System.Windows.Forms.Label      label1;
 
         private Bonjour.DNSSDEventManager       m_eventManager = null;

-

         private Bonjour.DNSSDService            m_service = null;
         private Bonjour.DNSSDService            m_service = null;

-

         private Bonjour.DNSSDService            m_registrar = null;
         private Bonjour.DNSSDService            m_registrar = null;

-

         private Bonjour.DNSSDService            m_browser = null;
         private Bonjour.DNSSDService            m_browser = null;

-

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

-

         private Socket                          m_socket = null;
         private Socket                          m_socket = null;

-

         private const int                       BUFFER_SIZE = 1024;
         private const int                       BUFFER_SIZE = 1024;

-

         public byte[]                           m_buffer = new byte[BUFFER_SIZE];
         public byte[]                           m_buffer = new byte[BUFFER_SIZE];

-

         public bool                             m_complete = false;
         public bool                             m_complete = false;

-

         public StringBuilder                    m_sb = new StringBuilder();
 
         delegate void                           ReadMessageCallback(String data);
         public StringBuilder                    m_sb = new StringBuilder();
 
         delegate void                           ReadMessageCallback(String data);


@@ -75,51 +66,30 @@ namespace SimpleChat.NET
                // Called by DNSServices core as a result of Register()
                // call
                //
                // Called by DNSServices core as a result of Register()
                // call
                //

-
-
-

         public void
         public void

-

         ServiceRegistered
         ServiceRegistered

-

                     (
                     (

-

                     DNSSDService service,
                     DNSSDService service,

-

                     DNSSDFlags flags,
                     DNSSDFlags flags,

-

                     String name,
                     String name,

-

                     String regType,
                     String regType,

-

                     String domain
                     String domain

-

                     )
                     )

-

         {
         {

-

             m_name = name;
 
             m_name = name;
 

-
-
+                       //
+                       // Try to start browsing for other instances of this service
+                       //

             try
             try

-

             {
             {

-

                 m_browser = m_service.Browse(0, 0, "_p2pchat._udp", null, m_eventManager);
                 m_browser = m_service.Browse(0, 0, "_p2pchat._udp", null, m_eventManager);

-

             }
             }

-

             catch
             catch

-

             {
             {

-

                 MessageBox.Show("Browse Failed", "Error");
                 MessageBox.Show("Browse Failed", "Error");

-

                 Application.Exit();
                 Application.Exit();

-

             }
             }

-

         }
 
                //
         }
 
                //


@@ -127,7 +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
                                    (


@@ -139,96 +108,50 @@ namespace SimpleChat.NET
                     String          domain
                                    )
                {
                     String          domain
                                    )
                {

-

             if (serviceName != m_name)
             if (serviceName != m_name)

-

             {
             {

-

                 PeerData peer = new PeerData();
 
                 PeerData peer = new PeerData();
 

-
-

                 peer.InterfaceIndex = ifIndex;
                 peer.InterfaceIndex = ifIndex;

-

                 peer.Name = serviceName;
                 peer.Name = serviceName;

-

                 peer.Type = regType;
                 peer.Type = regType;

-

                 peer.Domain = domain;
                 peer.Domain = domain;

-

                 peer.Address = null;
 
                 peer.Address = null;
 

-
-

                 comboBox1.Items.Add(peer);
 
                 comboBox1.Items.Add(peer);
 

-
-

                 if (comboBox1.Items.Count == 1)
                 if (comboBox1.Items.Count == 1)

-

                 {
                 {

-

                     comboBox1.SelectedIndex = 0;
                     comboBox1.SelectedIndex = 0;

-

                 }
                 }

-

             }
                }
 
             }
                }
 

-
-

         //
         //

-

         // ServiceLost
         // ServiceLost

-

         //
         //

-

         // Called by DNSServices core as a result of a Browse call
         // Called by DNSServices core as a result of a Browse call

-

         //
         //

-
-
-

         public void
         public void

-

         ServiceLost
         ServiceLost

-

                     (
                     (

-

                     DNSSDService sref,
                     DNSSDService sref,

-

                     DNSSDFlags flags,
                     DNSSDFlags flags,

-

                     uint ifIndex,
                     uint ifIndex,

-

                     String serviceName,
                     String serviceName,

-

                     String regType,
                     String regType,

-

                     String domain
                     String domain

-

                     )
                     )

-

         {
         {

-

             PeerData peer = new PeerData();
 
             PeerData peer = new PeerData();
 

-
-

             peer.InterfaceIndex = ifIndex;
             peer.InterfaceIndex = ifIndex;

-

             peer.Name = serviceName;
             peer.Name = serviceName;

-

             peer.Type = regType;
             peer.Type = regType;

-

             peer.Domain = domain;
             peer.Domain = domain;

-

             peer.Address = null;
 
             peer.Address = null;
 

-
-

             comboBox1.Items.Remove(peer);
             comboBox1.Items.Remove(peer);

-

         }
 
                //
         }
 
                //


@@ -237,61 +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
                //

-
-

         public void
         public void

-

         ServiceResolved
         ServiceResolved

-

                     (
                     (

-

                     DNSSDService sref,
                     DNSSDService sref,

-

                     DNSSDFlags flags,
                     DNSSDFlags flags,

-

                     uint ifIndex,
                     uint ifIndex,

-

                     String fullName,
                     String fullName,

-

                     String hostName,
                     String hostName,

-

                     ushort port,
                     ushort port,

-

                     TXTRecord txtRecord
                     TXTRecord txtRecord

-

                     )
                {
                     )
                {

-

             m_resolver.Stop();
             m_resolver.Stop();

-

             m_resolver = null;
 
             m_resolver = null;
 

-
-

             PeerData peer = (PeerData)comboBox1.SelectedItem;
 
             PeerData peer = (PeerData)comboBox1.SelectedItem;
 

-
-

             peer.Port = port;
 
             peer.Port = port;
 

-
-
+                       //
+                       // Query for the IP address associated with "hostName"
+                       //

             try
             try

-

             {
             {

-

                 m_resolver = m_service.QueryRecord(0, ifIndex, hostName, DNSSDRRType.kDNSSDType_A, DNSSDRRClass.kDNSSDClass_IN, m_eventManager );
                 m_resolver = m_service.QueryRecord(0, ifIndex, hostName, DNSSDRRType.kDNSSDType_A, DNSSDRRClass.kDNSSDClass_IN, m_eventManager );

-

             }
             }

-

             catch
             catch

-

             {
             {

-

                 MessageBox.Show("QueryRecord Failed", "Error");
                 MessageBox.Show("QueryRecord Failed", "Error");

-

                 Application.Exit();
                 Application.Exit();

-

             }
                }
 
             }
                }
 


@@ -301,7 +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
                        (


@@ -315,90 +212,54 @@ namespace SimpleChat.NET
             uint            ttl
             )
         {
             uint            ttl
             )
         {

-
+                       //
+                       // Stop the resolve to reduce the burden on the network
+                       //

             m_resolver.Stop();
             m_resolver.Stop();

-

             m_resolver = null;
 
             m_resolver = null;
 

-
-

             PeerData peer = (PeerData) comboBox1.SelectedItem;
             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;
                }
 

-
-

         public void
         public void

-

         OperationFailed
         OperationFailed

-

                     (
                     (

-

                     DNSSDService service,
                     DNSSDService service,

-

                     DNSSDError error
                     DNSSDError error

-

                     )
                     )

-

         {
         {

-

             MessageBox.Show("Operation returned an error code " + error, "Error");
             MessageBox.Show("Operation returned an error code " + error, "Error");

-

         }
 
         }
 

-
-

         //
         //

-

         // OnReadMessage
         // OnReadMessage

-

         //
         //

-

         // Called when there is data to be read on a socket
         // Called when there is data to be read on a socket

-

         //
         //

-

         // This is called (indirectly) from OnReadSocket()
         // This is called (indirectly) from OnReadSocket()

-

         //
         //

-

         private void
         private void

-

         OnReadMessage
         OnReadMessage

-

                 (
                 (

-

                 String msg
                 String msg

-

                 )
                 )

-

         {
         {

-

             int rgb = 0;
 
             int rgb = 0;
 

-
-

             for (int i = 0; i < msg.Length && msg[i] != ':'; i++)
             for (int i = 0; i < msg.Length && msg[i] != ':'; i++)

-

             {
             {

-

                 rgb = rgb ^ ((int)msg[i] << (i % 3 + 2) * 8);
 
             }
 
                 rgb = rgb ^ ((int)msg[i] << (i % 3 + 2) * 8);
 
             }
 

-
-

             Color color = Color.FromArgb(rgb & 0x007F7FFF);
 
             richTextBox1.SelectionColor = color;
             Color color = Color.FromArgb(rgb & 0x007F7FFF);
 
             richTextBox1.SelectionColor = color;

-

             richTextBox1.AppendText(msg + Environment.NewLine);
             richTextBox1.AppendText(msg + Environment.NewLine);

-

         }
 
                //
         }
 
                //


@@ -439,42 +300,30 @@ namespace SimpleChat.NET
                        //
                        InitializeComponent();
 
                        //
                        InitializeComponent();
 

-
-

             try
             try

-

             {
             {

-

                 m_service = new DNSSDService();
                 m_service = new DNSSDService();

-

             }
             }

-

             catch
             catch

-

             {
             {

-

                 MessageBox.Show("Bonjour Service is not available", "Error");
                 MessageBox.Show("Bonjour Service is not available", "Error");

-

                 Application.Exit();
                 Application.Exit();

-

             }
 
             }
 

-
-
+                       //
+                       // Associate event handlers with all the Bonjour events that the app is interested in.
+                       //

             m_eventManager = new DNSSDEventManager();
             m_eventManager = new DNSSDEventManager();

-

             m_eventManager.ServiceRegistered += new _IDNSSDEvents_ServiceRegisteredEventHandler(this.ServiceRegistered);
             m_eventManager.ServiceRegistered += new _IDNSSDEvents_ServiceRegisteredEventHandler(this.ServiceRegistered);

-

             m_eventManager.ServiceFound += new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);
             m_eventManager.ServiceFound += new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);

-

             m_eventManager.ServiceLost += new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);
             m_eventManager.ServiceLost += new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);

-

             m_eventManager.ServiceResolved += new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);
             m_eventManager.ServiceResolved += new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);

-

             m_eventManager.QueryRecordAnswered += new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);
             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);


@@ -505,26 +354,15 @@ namespace SimpleChat.NET
                                        m_browser.Stop();
                                }
 
                                        m_browser.Stop();
                                }
 

-
-

                 if (m_resolver != null)
                 if (m_resolver != null)

-

                 {
                 {

-

                     m_resolver.Stop();
                     m_resolver.Stop();

-

                 }
 
                 }
 

-
-

                 m_eventManager.ServiceFound -= new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);
                 m_eventManager.ServiceFound -= new _IDNSSDEvents_ServiceFoundEventHandler(this.ServiceFound);

-

                 m_eventManager.ServiceLost -= new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);
                 m_eventManager.ServiceLost -= new _IDNSSDEvents_ServiceLostEventHandler(this.ServiceLost);

-

                 m_eventManager.ServiceResolved -= new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);
                 m_eventManager.ServiceResolved -= new _IDNSSDEvents_ServiceResolvedEventHandler(this.ServiceResolved);

-

                 m_eventManager.QueryRecordAnswered -= new _IDNSSDEvents_QueryRecordAnsweredEventHandler(this.QueryAnswered);
                 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 );


@@ -711,101 +549,53 @@ namespace SimpleChat.NET
                }
        }
 
                }
        }
 

-
-

     //
     //

-

     // PeerData
     // PeerData

-

     //
     //

-

     // Holds onto the information associated with a peer on the network
     // Holds onto the information associated with a peer on the network

-

     //
     //

-

     public class PeerData
     public class PeerData

-

     {
     {

-

         public uint InterfaceIndex;
         public uint InterfaceIndex;

-

         public String Name;
         public String Name;

-

         public String Type;
         public String Type;

-

         public String Domain;
         public String Domain;

-

         public IPAddress Address;
         public IPAddress Address;

-

         public int Port;
 
         public int Port;
 

-
-

         public override String
         public override String

-

         ToString()
         ToString()

-

         {
         {

-

             return Name;
             return Name;

-

         }
 
         }
 

-
-

         public override bool
         public override bool

-

         Equals(object other)
         Equals(object other)

-

         {
         {

-

             bool result = false;
 
             bool result = false;
 

-
-

             if (other != null)
             if (other != null)

-

             {
             {

-

                 if ((object)this == other)
                 if ((object)this == other)

-

                 {
                 {

-

                     result = true;
                     result = true;

-

                 }
                 }

-

                 else if (other is PeerData)
                 else if (other is PeerData)

-

                 {
                 {

-

                     PeerData otherPeerData = (PeerData)other;
 
                     PeerData otherPeerData = (PeerData)other;
 

-
-

                     result = (this.Name == otherPeerData.Name);
                     result = (this.Name == otherPeerData.Name);

-

                 }
                 }

-

             }
 
             }
 

-
-

             return result;
             return result;

-

         }
 
 
         }
 
 

-

         public override int
         public override int

-

         GetHashCode()
         GetHashCode()

-

         {
         {

-

             return Name.GetHashCode();
             return Name.GetHashCode();

-

         }
         }

-

     };
 }
     };
 }