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Code Issues Releases Activity

fix: UPnP discovery response did not time out

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This commit is contained in:
MichaelDePiazzi
2015-07-27 14:28:59 +08:00
parent 1a8da2e00c
commit 1560ba75d8
2 changed files with 12 additions and 6 deletions
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3
Lidgren.Network/NetPeer.Internal.cs
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@@ -389,6 +389,9 @@ namespace Lidgren.Network
}
}
if (m_upnp != null)
m_upnp.CheckForDiscoveryTimeout();
//
// read from socket
//

15
Lidgren.Network/NetUPnP.cs
View File

@@ -71,6 +71,7 @@ namespace Lidgren.Network
"MAN:\"ssdp:discover\"\r\n" +
"MX:3\r\n\r\n";
m_discoveryResponseDeadline = NetTime.Now + 6.0; // arbitrarily chosen number, router gets 6 seconds to respond
m_status = UPnPStatus.Discovering;
byte[] arr = System.Text.Encoding.UTF8.GetBytes(str);
@@ -79,14 +80,16 @@ namespace Lidgren.Network
peer.Socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
peer.RawSend(arr, 0, arr.Length, new NetEndPoint(NetUtility.GetBroadcastAddress(), 1900));
peer.Socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, false);
// allow some extra time for router to respond
NetUtility.Sleep(50);
m_discoveryResponseDeadline = NetTime.Now + 6.0; // arbitrarily chosen number, router gets 6 seconds to respond
m_status = UPnPStatus.Discovering;
}
internal void CheckForDiscoveryTimeout()
{
if ((m_status != UPnPStatus.Discovering) || (NetTime.Now < m_discoveryResponseDeadline))
return;
m_peer.LogDebug("UPnP discovery timed out");
m_status = UPnPStatus.NotAvailable;
}
internal void ExtractServiceUrl(string resp)
{
#if !DEBUG