/// <summary> Send an outgoing multicast DNS message.</summary>
internal async Task Send(DNSOutgoing out_Renamed)
{
out_Renamed.Finish();
if (!out_Renamed.Empty)
{
SupportClass.PacketSupport packet = new SupportClass.PacketSupport(SupportClass.ToByteArray(out_Renamed.data), out_Renamed.off, new IPEndPoint(group, DNSConstants.MDNS_PORT));
try
{
DNSIncoming msg = new DNSIncoming(packet);
logger.Debug("send() JmDNS out:" + msg.Print(true));
}
catch (IOException e)
{
logger.Error("send(DNSOutgoing) - JmDNS can not parse what it sends!!!", e);
}
await SupportClass.UdpClientSupport.Send(socket, packet);
}
}
internal Address(string name, int type, int clazz, int ttl, sbyte[] rawAddress) : base(name, type, clazz, ttl)
{
try
{
byte[] rawAddressUnsigned = SupportClass.ToByteArray(rawAddress);
// HACK: why doesn't the other constructor work?
string dottedQuad = rawAddressUnsigned[0] + "." +
rawAddressUnsigned[1] + "." +
rawAddressUnsigned[2] + "." +
rawAddressUnsigned[3];
this.addr = IPAddress.Parse(dottedQuad);
//this.addr = new IPAddress(rawAddressUnsigned);
//this.addr = new IPAddress(rawAddress);
}
catch (Exception exception)
{
logger.Warn("Address() exception ", exception);
}
}
/// <summary> Construct a service description for registrating with JmDNS. The properties hashtable must
/// map property names to either Strings or byte arrays describing the property values.
/// </summary>
/// <param name="type">fully qualified service type name, such as <code>_http._tcp.local.</code>.
/// </param>
/// <param name="name">unqualified service instance name, such as <code>foobar</code>
/// </param>
/// <param name="port">the local port on which the service runs
/// </param>
/// <param name="weight">weight of the service
/// </param>
/// <param name="priority">priority of the service
/// </param>
/// <param name="props">properties describing the service
/// </param>
public ServiceInfo(string type, string name, int port, int weight, int priority, Hashtable props) : this(type, name, port, weight, priority, new sbyte[0])
{
if (props != null)
{
try
{
MemoryStream out_Renamed = new MemoryStream(256);
foreach (string key in props.Keys)
{
object val = props[key];
MemoryStream out2 = new MemoryStream(100);
WriteUTF(out2, key);
if (val is string)
{
out2.WriteByte((byte)'=');
WriteUTF(out2, (string)val);
}
else if (val is sbyte[])
{
out2.WriteByte((byte)'=');
sbyte[] bval = (sbyte[])val;
out2.Write(SupportClass.ToByteArray(bval), 0, bval.Length);
}
else if (val != NO_VALUE)
{
throw new ArgumentException("invalid property value: " + val);
}
sbyte[] data = SupportClass.ToSByteArray(out2.ToArray());
out_Renamed.WriteByte((byte)data.Length);
out_Renamed.Write(SupportClass.ToByteArray(data), 0, data.Length);
}
this.text = SupportClass.ToSByteArray(out_Renamed.ToArray());
}
catch (IOException e)
{
throw new Exception("unexpected exception: " + e);
}
}
}
private sbyte[] toByteArray()
{
try
{
// TODO: check this
MemoryStream bout = new MemoryStream();
BinaryWriter dout = new BinaryWriter(bout);
dout.Write(SupportClass.ToByteArray(SupportClass.ToSByteArray(Encoding.GetEncoding("UTF8").GetBytes(name))));
dout.Write((Int16)type);
dout.Write((Int16)clazz);
//dout.writeInt(len);
dout.Write((Int16)priority);
dout.Write((Int16)weight);
dout.Write((Int16)port);
dout.Write(SupportClass.ToByteArray(SupportClass.ToSByteArray(Encoding.GetEncoding("UTF8").GetBytes(server))));
dout.Dispose();
return(SupportClass.ToSByteArray(bout.ToArray()));
}
catch
{
throw new Exception();
}
}
/// <summary> Creates a byte array representation of this record.
/// This is needed for tie-break tests according to
/// draft-cheshire-dnsext-multicastdns-04.txt chapter 9.2.
/// </summary>
private sbyte[] toByteArray()
{
try
{
// TODO: check this
MemoryStream bout = new MemoryStream();
BinaryWriter dout = new BinaryWriter(bout);
dout.Write(SupportClass.ToByteArray(SupportClass.ToSByteArray(Encoding.UTF8.GetBytes(name))));
dout.Write((Int16)type);
dout.Write((Int16)clazz);
//dout.writeInt(len);
sbyte[] buffer = SupportClass.ToSByteArray(addr.GetAddressBytes());
for (int i = 0; i < buffer.Length; i++)
{
dout.Write((byte)buffer[i]);
}
dout.Dispose();
return(SupportClass.ToSByteArray(bout.ToArray()));
}
catch
{
throw new Exception();
}
}
