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 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);
// Called by DNSServices core as a result of Register()
// call
//
-
-
-
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();
-
}
-
}
//
//
// Called by DNSServices core as a result of a Browse call
//
-
public void
ServiceFound
(
String domain
)
{
-
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;
-
}
-
}
}
-
-
//
-
// 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);
-
}
//
// Called by DNSServices core as a result of DNSService.Resolve()
// call
//
-
-
public void
-
ServiceResolved
-
(
-
DNSSDService sref,
-
DNSSDFlags flags,
-
uint ifIndex,
-
String fullName,
-
String hostName,
-
ushort port,
-
TXTRecord txtRecord
-
)
{
-
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();
-
}
}
// Called by DNSServices core as a result of DNSService.QueryRecord()
// call
//
-
public void
QueryAnswered
(
uint ttl
)
{
-
+ //
+ // 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;
}
-
-
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);
-
}
//
//
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);
+ //
+ // Socket read handler
+ //
m_readMessageCallback = new ReadMessageCallback(OnReadMessage);
this.Load += new System.EventHandler(this.Form1_Load);
m_browser.Stop();
}
-
-
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 );
}
}
-
-
//
-
// 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();
-
}
-
};
}
projects / apple / mdnsresponder.git / blobdiff