private void ProcessPackage(IAsyncResult result)
{
UdpClient client = (UdpClient)result.AsyncState;
IPEndPoint remote = null;
byte[] bytes;
try
{
bytes = client.EndReceive(result, ref remote);
client.BeginReceive(ProcessPackage, client);
}
catch (ObjectDisposedException) // Closed already
{
return;
}
string ssdp;
try
{
ssdp = Encoding.UTF8.GetString(bytes);
}
catch
{
return;
}
string[] lines = ssdp.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
var splited = lines.Select(l => l.Split(new string[] { ": " }, 2, StringSplitOptions.None));
Dictionary<string, string> dict = new Dictionary<string, string>();
foreach (var kv in splited)
{
if (kv.Length == 2)
{
dict.Add(kv[0], kv[1]);
}
}
IntranetServer found = new IntranetServer();
if (!dict.ContainsKey("NT")) return;
if (dict["NT"] != expectedSpecifier) return;
if (!dict.ContainsKey("SERVER")) return;
found.Name = dict["SERVER"];
if (!dict.ContainsKey("LOCATION")) return;
int serverPort;
if (!int.TryParse(dict["LOCATION"], out serverPort)) return;
found.Location = new IPEndPoint(remote.Address, serverPort);
if (FoundServer != null)
{
FoundServer(found);
}
}
private void ProcessPackage(IAsyncResult result)
{
UdpClient client = (UdpClient)result.AsyncState;
IPEndPoint remote = null;
byte[] bytes;
try
{
bytes = client.EndReceive(result, ref remote);
client.BeginReceive(ProcessPackage, client);
}
catch (ObjectDisposedException) // Closed already
{
return;
}
string ssdp;
try
{
ssdp = Encoding.UTF8.GetString(bytes);
}
catch
{
return;
}
string[] lines = ssdp.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
var splited = lines.Select(l => l.Split(new string[] { ": " }, 2, StringSplitOptions.None));
Dictionary <string, string> dict = new Dictionary <string, string>();
foreach (var kv in splited)
{
if (kv.Length == 2)
{
dict.Add(kv[0], kv[1]);
}
}
IntranetServer found = new IntranetServer();
if (!dict.ContainsKey("NT"))
{
return;
}
if (dict["NT"] != expectedSpecifier)
{
return;
}
if (!dict.ContainsKey("SERVER"))
{
return;
}
found.Name = dict["SERVER"];
if (!dict.ContainsKey("LOCATION"))
{
return;
}
int serverPort;
if (!int.TryParse(dict["LOCATION"], out serverPort))
{
return;
}
found.Location = new IPEndPoint(remote.Address, serverPort);
if (FoundServer != null)
{
FoundServer(found);
}
}
