[Mono-bugs] [Bug 80211][Wis] Changed - SocketOptionName.ReuseAddress doesn't work on Linux

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Tue Dec 12 12:31:37 EST 2006


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Changed by dick at ximian.com.

http://bugzilla.ximian.com/show_bug.cgi?id=80211

--- shadow/80211	2006-12-09 23:08:11.000000000 -0500
+++ shadow/80211.tmp.13084	2006-12-12 12:31:37.000000000 -0500
@@ -1,13 +1,13 @@
 Bug#: 80211
 Product: Mono: Class Libraries
 Version: 1.2
 OS: GNU/Linux [Other]
 OS Details: 
-Status: NEW   
-Resolution: 
+Status: RESOLVED   
+Resolution: NOTABUG
 Severity: 008 One day
 Priority: Wishlist
 Component: System
 AssignedTo: mono-bugs at ximian.com                            
 ReportedBy: Cikki.Mukki at gmail.com               
 QAContact: mono-bugs at ximian.com
@@ -74,6 +74,21 @@
                                             
 SocketOptionName.ReuseAddress, 1);
                 connectSocket.Bind(new IPEndPoint(IPAddress.Any, port));
                 //connectSocket.Connect(new IPEndPoint("65.34.23.23",
 80));
                 Console.WriteLine("Connect done.");
+
+------- Additional Comments From dick at ximian.com  2006-12-12 12:31 -------
+You can't bind more than one socket at once to an address:port tuple.
+ SocketOption.ReuseAddress means that the socket will not wait in
+TIME_WAIT state after it has been closed, thereby allowing another
+socket to immediately reuse the same address and port.
+
+On windows the bind succeeds, but iirc only the latterly bound socket
+will receive any packets.  I would regard this as a windows bug; it's
+definitely not consistent with the BSD sockets interface.
+
+For your app, do you mean that responses to a connection on a
+particular port should come from that port?  In that case just the
+listenSocket part is needed, and any data written to remote sockets
+that connect to that socket will be sent from that port.


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