internal override bool OnAsyncResultReceived(AsyncReceiveBuffer result)
{
try {
var dgram = HttpDatagram.Parse(result.Buffer);
if (dgram == null || dgram.Type != HttpDatagramType.MSearch)
{
return(true);
}
var st = dgram.Headers.Get("ST");
var mx = dgram.Headers.Get("MX");
var man = dgram.Headers.Get("Man");
if (string.IsNullOrEmpty(st) || string.IsNullOrEmpty(mx) || man != Protocol.SsdpDiscoverMan)
{
return(true);
}
server.RequestRecieved(new Request(result.SenderIPEndPoint, st, UInt16.Parse(mx)));
} catch (Exception e) {
Log.Exception("Invalid HTTPMU/M-SEARCH datagram", e);
}
return(true);
}
void AsyncReadResult (AsyncReceiveBuffer buffer)
{
try {
buffer.Socket.BeginReceiveFrom (buffer, OnAsyncResultReceived);
} catch (ObjectDisposedException) {
// Socket disposed while we were receiving from it... just ignore this
}
}
internal override bool OnAsyncResultReceived(AsyncReceiveBuffer result)
{
try {
HttpDatagram dgram = HttpDatagram.Parse(result.Buffer);
if (dgram == null || dgram.Type != HttpDatagramType.Notify)
{
return(true);
}
string nts = dgram.Headers.Get("NTS");
string usn = dgram.Headers.Get("USN");
string nt = dgram.Headers.Get("NT");
if (String.IsNullOrEmpty(nts) || String.IsNullOrEmpty(usn))
{
return(true);
}
if (!client.ServiceTypeRegistered(nt))
{
return(true);
}
if (nts == Protocol.SsdpAliveNts)
{
try {
if (!client.ServiceCache.Update(usn, dgram))
{
client.ServiceCache.Add(new BrowseService(dgram, true));
}
} catch (Exception e) {
Log.Exception("Invalid ssdp:alive NOTIFY", e);
}
}
else if (nts == Protocol.SsdpByeByeNts)
{
client.ServiceCache.Remove(usn);
}
} catch (Exception e) {
Log.Exception("Invalid HTTPMU/NOTIFY datagram", e);
}
return(true);
}
internal override bool OnAsyncResultReceived (AsyncReceiveBuffer result)
{
try {
var dgram = HttpDatagram.Parse (result.Buffer);
if (dgram == null || dgram.Type != HttpDatagramType.MSearch) {
return true;
}
var st = dgram.Headers.Get ("ST");
var mx = dgram.Headers.Get ("MX");
var man = dgram.Headers.Get ("Man");
if (string.IsNullOrEmpty (st) || string.IsNullOrEmpty (mx) || man != Protocol.SsdpDiscoverMan) {
return true;
}
server.RequestRecieved (new Request (result.SenderIPEndPoint, st, UInt16.Parse(mx)));
} catch (Exception e) {
Log.Exception ("Invalid HTTPMU/M-SEARCH datagram", e);
}
return true;
}
internal override bool OnAsyncResultReceived(AsyncReceiveBuffer result)
{
try {
HttpDatagram dgram = HttpDatagram.Parse (result.Buffer);
if (dgram == null || dgram.Type != HttpDatagramType.Notify) {
return true;
}
string nts = dgram.Headers.Get ("NTS");
string usn = dgram.Headers.Get ("USN");
string nt = dgram.Headers.Get ("NT");
if (String.IsNullOrEmpty (nts) || String.IsNullOrEmpty (usn)) {
return true;
}
if (!client.ServiceTypeRegistered (nt)) {
return true;
}
if (nts == Protocol.SsdpAliveNts) {
try {
if (!client.ServiceCache.Update (usn, dgram)) {
client.ServiceCache.Add (new BrowseService (dgram, true));
}
} catch (Exception e) {
Log.Exception ("Invalid ssdp:alive NOTIFY", e);
}
} else if (nts == Protocol.SsdpByeByeNts) {
client.ServiceCache.Remove (usn);
}
} catch (Exception e) {
Log.Exception ("Invalid HTTPMU/NOTIFY datagram", e);
}
return true;
}
private void AsyncReadResult(AsyncReceiveBuffer buffer)
{
buffer.Socket.BeginReceiveFrom (buffer, OnAsyncResultReceived);
}
internal virtual bool OnAsyncResultReceived(AsyncReceiveBuffer result)
{
return false;
}
public IAsyncResult BeginReceiveFrom(AsyncReceiveBuffer buffer, AsyncCallback callback)
{
return(base.BeginReceiveFrom(buffer.Buffer, 0, buffer.Buffer.Length, SocketFlags.None,
ref buffer.SenderEndPoint, callback, buffer));
}
public IAsyncResult BeginReceiveFrom(AsyncReceiveBuffer buffer, AsyncCallback callback)
{
return base.BeginReceiveFrom (buffer.Buffer, 0, buffer.Buffer.Length, SocketFlags.None,
ref buffer.SenderEndPoint, callback, buffer);
}
internal override bool OnAsyncResultReceived (AsyncReceiveBuffer result)
{
try {
HttpDatagram dgram = HttpDatagram.Parse (result.Buffer);
if (dgram == null) {
return true;
}
try {
client.ServiceCache.Add (new BrowseService (dgram, false));
} catch (Exception e) {
Log.Exception ("Invalid browse response", e);
}
} catch (Exception e) {
Log.Exception ("Invalid HTTPU datagram", e);
}
return true;
}
