[Mono-bugs] [Bug 42393][Cri] New - UDP Multicast fail on SetSocketOption

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Changed by tuyo@tuyo.org.

http://bugzilla.ximian.com/show_bug.cgi?id=42393

--- shadow/42393	Mon May  5 16:38:17 2003
+++ shadow/42393.tmp.2716	Mon May  5 16:38:17 2003
@@ -0,0 +1,54 @@
+Bug#: 42393
+Product: Mono/Class Libraries
+Version: unspecified
+OS: Red Hat 8.0
+OS Details: on pentium
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Critical
+Component: System
+AssignedTo: mono-bugs@ximian.com                            
+ReportedBy: tuyo@tuyo.org               
+QAContact: mono-bugs@ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: UDP Multicast fail on SetSocketOption
+
+Description of Problem:
+When building a UDP client/server, and the JoinMulticastGroup() is called 
+in order for the socket to join a group.  The SetSocketMethod of the 
+Socket object fails and complains about a null value returned.
+
+
+
+Steps to reproduce the problem:
+1. create a multicast udp client 
+2. create a multicast udp server
+3. broadcast a simple message from client to server
+
+Actual Results:
+----
+Unhandled Exception: System.NullReferenceException: A null value was 
+found where an object instance was required
+in (unmanaged) mono [0x80dd094]
+in (unmanaged) mono
+(ves_icall_System_Net_Sockets_Socket_SetSocketOption_internal+0x1cf) 
+[0x80dd2af]
+in <0x00113> 00 System.Net.Sockets.Socket:SetSocketOption 
+(System.Net.Sockets.SocketOptionLevel,System.Net.Sockets.SocketOptionName,
+object)
+in <0x00044> 00 System.Net.Sockets.UdpClient:JoinMulticastGroup 
+(System.Net.IPAddress)
+-----
+
+
+Expected Results:
+"hello from client to server"
+
+How often does this happen? 
+all the time
+
+Additional Information:
+This program works just fine with .NET without any changes.