[Bug 32310] New: EVEMon needs System.Net.NetworkInformation.NetworkChange implementation

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=32310

             Bug #: 32310
           Summary: EVEMon needs
                    System.Net.NetworkInformation.NetworkChange
                    implementation
           Product: Wine
           Version: 1.5.18
          Platform: x86
               URL: http://evemon.battleclinic.com/
        OS/Version: Linux
            Status: NEW
          Keywords: download
          Severity: normal
          Priority: P2
         Component: mscoree
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: madewokherd at gmail.com
    Classification: Unclassified


To reproduce, install EVEMon without .NET, and try to run it.

It crashes on startup with an exception:
System.EntryPointNotFoundException: CreateNLSocket
  at (wrapper managed-to-native)
System.Net.NetworkInformation.NetworkChange:CreateNLSocket ()
  at System.Net.NetworkInformation.NetworkChange.EnsureSocket () [0x00000] in
<filename unknown>:0 
  at System.Net.NetworkInformation.NetworkChange.Register
(System.Net.NetworkInformation.NetworkAvailabilityChangedEventHandler d)
[0x00000] in <filename unknown>:0 
  at System.Net.NetworkInformation.NetworkChange.add_NetworkAvailabilityChanged
(System.Net.NetworkInformation.NetworkAvailabilityChangedEventHandler value)
[0x00000] in <filename unknown>:0 
  at EVEMon.Common.Net.NetworkMonitor.Initialize () [0x00000] in <filename
unknown>:0 
  at EVEMon.Common.EveMonClient.Initialize () [0x00000] in <filename unknown>:0 
  at EVEMon.Program.Main () [0x00000] in <filename unknown>:0 

CreateNLSocket is an entry point into the MonoPosixHelper library. AFAICT it's
only implemented on Unix-like systems and would not be possible to implement on
Windows. So we need an alternative implementation of
System.Net.NetworkInformation.NetworkChange that's based on the Windows API.

Probably the NotifyAddrChange function could be used to detect changes, using
System.Threading.AutoResetEvent and ThreadPool.RegisterWaitForSingleObject to
get the event notification into the .NET world.

I think this would be a good introduction to Mono development, if anyone needs
one.

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