public SatIpDevice FindByUDN(string uuid)
{
SatIpDevice device = null;
if (_devices.ContainsKey(uuid))
{
_devices.TryGetValue(uuid, out device);
}
return(device);
}
/// <summary>
/// The UnicastReceiveCallback receives Http Responses
/// and Fired the SatIpDeviceFound Event for adding the SatIpDevice
/// </summary>
/// <param name="ar"></param>
private void UnicastReceiveCallback(IAsyncResult ar)
{
if (_running)
{
var u = ((UdpState)(ar.AsyncState)).U;
var e = ((UdpState)(ar.AsyncState)).E;
if (u.Client != null)
{
var responseBytes = u.EndReceive(ar, ref e);
var responseString = Encoding.UTF8.GetString(responseBytes);
var httpMatch = HttpResponseRegex.Match(responseString);
if (httpMatch.Success)
{
responseString = httpMatch.Groups[5].Captures[0].Value;
var headerDictionary = ProcessSsdpResponse(responseString);
string location;
headerDictionary.TryGetValue("location", out location);
string st;
headerDictionary.TryGetValue("st", out st);
string usn;
headerDictionary.TryGetValue("usn", out usn);
string bootId;
headerDictionary.TryGetValue("bootid.upnp.org", out bootId);
string configId;
headerDictionary.TryGetValue("configid.upnp.org", out configId);
string deviceId;
headerDictionary.TryGetValue("deviceid.ses.com", out deviceId);
var m = UuidRegex.Match(usn);
if (!m.Success)
{
return;
}
var uuid = m.Value;
if ((!string.IsNullOrEmpty(location)) && (!string.IsNullOrEmpty(st)) && (st.Equals("urn:ses-com:device:SatIPServer:1")))
{
if (!_devices.ContainsKey(uuid))
{
var device = new SatIpDevice(location);
_devices.Add(uuid, device);
OnDeviceFound(new SatIpDeviceFoundArgs(device));
}
}
}
UnicastSetBeginReceive();
}
}
}
/// <summary>
/// The MulticastReceiveCallback receives M-Search and Notify Responses
/// M-Search Responses are ignored
/// Notify Responses fires SatIpDeviceLost Event if nts.Equals(ssdp:byebye) for removing the Device
/// or SatIpDeviceNotify Event if nts.Equals(ssdp:alive) for inform that the SatIp device is alive
/// it can be used for initialize a new M-Seach Request too
/// </summary>
/// <param name="ar"></param>
private void MulticastReceiveCallback(IAsyncResult ar)
{
if (_running)
{
var u = ((UdpState)(ar.AsyncState)).U;
var e = ((UdpState)(ar.AsyncState)).E;
if (u.Client != null)
{
var responseBytes = u.EndReceive(ar, ref e);
var responseString = Encoding.UTF8.GetString(responseBytes);
var msearchMatch = MSearchResponseRegex.Match(responseString);
if (msearchMatch.Success)
{
responseString = msearchMatch.Groups[3].Captures[0].Value;
var headerDictionary = ProcessSsdpResponse(responseString);
string host;
headerDictionary.TryGetValue("host", out host);
string man;
headerDictionary.TryGetValue("man", out man);
string mx;
headerDictionary.TryGetValue("mx", out mx);
string st;
headerDictionary.TryGetValue("st", out st);
}
var notifyMatch = NotifyResponseRegex.Match(responseString);
if (notifyMatch.Success)
{
responseString = notifyMatch.Groups[3].Captures[0].Value;
var headerDictionary = ProcessSsdpResponse(responseString);
string location;
headerDictionary.TryGetValue("location", out location);
string host;
headerDictionary.TryGetValue("host", out host);
string nt;
headerDictionary.TryGetValue("nt", out nt);
string nts;
headerDictionary.TryGetValue("nts", out nts);
string usn;
headerDictionary.TryGetValue("usn", out usn);
string bootId;
headerDictionary.TryGetValue("bootid.upnp.org", out bootId);
string configId;
headerDictionary.TryGetValue("configid.upnp.org", out configId);
var m = UuidRegex.Match(usn);
if (!m.Success)
{
return;
}
var uuid = m.Value;
if (nts != null &&
(nt != null && (nt.Equals("urn:ses-com:device:SatIPServer:1") && nts.Equals("ssdp:byebye"))))
{
if (usn != null)
{
if (_devices.ContainsKey(uuid))
{
_devices.Remove(uuid);
}
OnDeviceLost(new SatIpDeviceLostArgs(uuid));
}
}
if (nts != null &&
(nt != null && (nt.Equals("urn:ses-com:device:SatIPServer:1") && nts.Equals("ssdp:alive"))))
{
if (!string.IsNullOrEmpty(location))
{
if (!_devices.ContainsKey(uuid))
{
var device = new SatIpDevice(location);
_devices.Add(uuid, device);
OnDeviceFound(new SatIpDeviceFoundArgs(device));
}
}
}
}
}
MulticastSetBeginReceive();
}
}
public SatIpDeviceFoundArgs(SatIpDevice device)
{
Device = device;
}