public static void Main(string[] argv)
{
SSDPDiscovery dis = new SSDPDiscovery("ssdp:all");
while (true)
{
List <Dictionary <string, string> > devices = dis.discover();
foreach (var dev in devices)
{
Console.WriteLine("Device");
foreach (KeyValuePair <string, string> kvp in dev)
{
Console.WriteLine("{0}:{1}", kvp.Key, kvp.Value);
}
}
}
}
public static List <Dictionary <string, string> > ssdpDiscover(string servicetype, int timeout)
{
SSDPDiscovery dis = new SSDPDiscovery(servicetype);
var tend = getAbsTime_ms() + timeout;
int ttg = timeout;
while (ttg > 0)
{
var devices = dis.discover(ttg);
if (devices.Count > 0)
{
// TODO: accumulate the devices lists
return(devices);
}
ttg = (int)(tend - getAbsTime_ms());
}
return(null);
}
// TODO: make timeout work correctly
public bool connect(string host, int port = -1, int timeout_ms = 5000)
{
if (port < 0)
{
port = Constants.DEFAULTPORT;
}
if (this.clientSocket != null && this.clientSocket.Connected)
{
this.clientSocket.Close();
this.clientSocket = null;
}
if (host == null || host.Length == 0 || host == "-")
{
// auto-search for host port
Console.WriteLine("Trying SSDP discovery");
if (ssdpDiscovery == null) // create if needed
{
ssdpDiscovery = new SSDPDiscovery("utopia/1.1");
}
var devices = ssdpDiscovery.discover(timeout_ms);
Console.WriteLine("Discovered " + devices.Count() + " devices");
if (devices.Any())
{
var dev = devices[0];
if (dev.ContainsKey("location"))
{
host = dev["location"];
port = Constants.DEFAULTPORT;
if (host.StartsWith("http://"))
{
host = host.Substring("http://".Length);
}
if (host.Contains("/"))
{
host = host.Substring(0, host.IndexOf("/"));
}
string[] hostport = host.Split(':');
host = hostport[0];
if (hostport.Length > 1)
{
Int32.TryParse(hostport[1], out port);
}
}
Console.WriteLine("SSDP discovered: " + host + ":" + port);
}
}
if (host == null || host.Length == 0 || host == "-")
{
return(false);
}
//if ( this.clientSocket == null )
this.clientSocket = new TcpClient();
try
{
// connect with a timeout... csharp style
var result = this.clientSocket.BeginConnect(host, port, null, null);
var success = result.AsyncWaitHandle.WaitOne(TimeSpan.FromMilliseconds(timeout_ms));
this.clientSocket.EndConnect(result);
// we have connected
//this.clientSocket.Connect(host, port);
} catch (SocketException ex)
{
}
if (this.clientSocket.Connected)
{
this.networkStream = this.clientSocket.GetStream();
this.clientSocket.ReceiveTimeout = 500;
this.clientSocket.NoDelay = true; // disable Nagle?
// udp client bound to same local port number to make matching udp/tcp messages easier
this.udpClient = new UdpClient(((System.Net.IPEndPoint) this.clientSocket.Client.LocalEndPoint).Port);
this.udpClient.Connect(host, port);
}
return(this.clientSocket.Connected);
}