diff options
Diffstat (limited to 'RSSDP/SsdpCommunicationsServer.cs')
| -rw-r--r-- | RSSDP/SsdpCommunicationsServer.cs | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/RSSDP/SsdpCommunicationsServer.cs b/RSSDP/SsdpCommunicationsServer.cs index 65ec0ca71..e2e5c4e9f 100644 --- a/RSSDP/SsdpCommunicationsServer.cs +++ b/RSSDP/SsdpCommunicationsServer.cs @@ -20,22 +20,19 @@ namespace Rssdp.Infrastructure #region Fields - /* - - We could technically use one socket listening on port 1900 for everything. - This should get both multicast (notifications) and unicast (search response) messages, however - this often doesn't work under Windows because the MS SSDP service is running. If that service - is running then it will steal the unicast messages and we will never see search responses. - Since stopping the service would be a bad idea (might not be allowed security wise and might - break other apps running on the system) the only other work around is to use two sockets. - - We use one socket to listen for/receive notifications and search requests (_BroadcastListenSocket). - We use a second socket, bound to a different local port, to send search requests and listen for - responses (_SendSocket). The responses are sent to the local port this socket is bound to, - which isn't port 1900 so the MS service doesn't steal them. While the caller can specify a local - port to use, we will default to 0 which allows the underlying system to auto-assign a free port. - - */ + /* We could technically use one socket listening on port 1900 for everything. + * This should get both multicast (notifications) and unicast (search response) messages, however + * this often doesn't work under Windows because the MS SSDP service is running. If that service + * is running then it will steal the unicast messages and we will never see search responses. + * Since stopping the service would be a bad idea (might not be allowed security wise and might + * break other apps running on the system) the only other work around is to use two sockets. + * + * We use one socket to listen for/receive notifications and search requests (_BroadcastListenSocket). + * We use a second socket, bound to a different local port, to send search requests and listen for + * responses (_SendSocket). The responses are sent to the local port this socket is bound to, + * which isn't port 1900 so the MS service doesn't steal them. While the caller can specify a local + * port to use, we will default to 0 which allows the underlying system to auto-assign a free port. + */ private object _BroadcastListenSocketSynchroniser = new object(); private ISocket _BroadcastListenSocket; @@ -443,7 +440,7 @@ namespace Rssdp.Infrastructure private void ProcessMessage(string data, IpEndPointInfo endPoint, IpAddressInfo receivedOnLocalIpAddress) { //Responses start with the HTTP version, prefixed with HTTP/ while - //requests start with a method which can vary and might be one we haven't + //requests start with a method which can vary and might be one we haven't //seen/don't know. We'll check if this message is a request or a response //by checking for the HTTP/ prefix on the start of the message. if (data.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase)) |