// inbound data (from the network)
// throws InvalidUdpReflectorMessage if this is not a valid control message
public UdpReflectorMessage(byte[] buffer, int count)
{
if (count > 50)
{
throw new InvalidUdpReflectorMessage();
}
else
{
String str = utf8.GetString(buffer, 0, count);
String[] lines = str.Split(new char[] { '\n' }, 2);
if (lines.Length < 2)
{
throw new InvalidUdpReflectorMessage();
}
if (!lines[0].Equals(headerLine))
{
throw new InvalidUdpReflectorMessage();
}
String [] toks = lines[1].Split(new char [] { ':' }, 3);
if (toks.Length < 3)
{
throw new InvalidUdpReflectorMessage();
}
if (toks[0].Trim().Equals("JOIN", StringComparison.InvariantCultureIgnoreCase))
{
type = UdpReflectorMessageType.JOIN;
}
else if (toks[0].Equals("LEAVE", StringComparison.InvariantCultureIgnoreCase))
{
type = UdpReflectorMessageType.LEAVE;
}
else if (toks[0].Equals("PING", StringComparison.InvariantCultureIgnoreCase))
{
type = UdpReflectorMessageType.PING;
}
else if (toks[0].Equals("PING_REPLY", StringComparison.InvariantCultureIgnoreCase))
{
type = UdpReflectorMessageType.PING_REPLY;
}
else
{
throw new InvalidUdpReflectorMessage();
}
try
{
IPAddress addr = IPAddress.Parse(toks[1].Trim());
int port = int.Parse(toks[2].Trim());
this.multicastEP = new IPEndPoint(addr, port);
}
catch (Exception)
{
throw new InvalidUdpReflectorMessage();
}
}
}
// inbound data (from the network)
// throws InvalidUdpReflectorMessage if this is not a valid control message
public UdpReflectorMessage(byte[] buffer,int count)
{
if (count > 50)
throw new InvalidUdpReflectorMessage();
else
{
String str = utf8.GetString(buffer,0,count);
String[] lines = str.Split(new char[] { '\n' }, 2);
if (lines.Length < 2)
throw new InvalidUdpReflectorMessage();
if (!lines[0].Equals(headerLine))
throw new InvalidUdpReflectorMessage();
String [] toks = lines[1].Split(new char [] { ':' },3);
if (toks.Length < 3)
throw new InvalidUdpReflectorMessage();
if (toks[0].Trim().Equals("JOIN", StringComparison.InvariantCultureIgnoreCase))
type = UdpReflectorMessageType.JOIN;
else if (toks[0].Equals("LEAVE", StringComparison.InvariantCultureIgnoreCase))
type = UdpReflectorMessageType.LEAVE;
else if (toks[0].Equals("PING", StringComparison.InvariantCultureIgnoreCase))
type = UdpReflectorMessageType.PING;
else if (toks[0].Equals("PING_REPLY", StringComparison.InvariantCultureIgnoreCase))
type = UdpReflectorMessageType.PING_REPLY;
else throw new InvalidUdpReflectorMessage();
try
{
IPAddress addr = IPAddress.Parse(toks[1].Trim());
int port = int.Parse(toks[2].Trim());
this.multicastEP = new IPEndPoint(addr,port);
}
catch (Exception)
{
throw new InvalidUdpReflectorMessage();
}
}
}
// outbound reflector messages
public UdpReflectorMessage(UdpReflectorMessageType type, IPEndPoint multicastEP)
{
this.type = type;
this.multicastEP = multicastEP;
}
// ping messages don't need a valid ip address...
public UdpReflectorMessage(UdpReflectorMessageType type)
{
this.type = type;
this.multicastEP = new IPEndPoint(IPAddress.Loopback, 1);
}
// outbound reflector messages
public UdpReflectorMessage(UdpReflectorMessageType type, IPEndPoint multicastEP)
{
this.type = type;
this.multicastEP = multicastEP;
}
// ping messages don't need a valid ip address...
public UdpReflectorMessage(UdpReflectorMessageType type)
{
this.type = type;
this.multicastEP = new IPEndPoint(IPAddress.Loopback, 1);
}
