Added a limit to the Channels on the server side and removed "stale" channels

[mrsuciu]

Proposed changes

Added a limit to the number of Channels on the server side and removed "stale" channels.
Add option to console client to leak channels and run forever.

Related Issues

• Fixes #

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Further comments

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[codecov]

Codecov Report

Attention: Patch coverage is 73.61111% with 38 lines in your changes are missing coverage. Please review.

Project coverage is 54.58%. Comparing base (884ddf3) to head (8a2e9d6).

Files	Patch %	Lines
...tack/Opc.Ua.Core/Stack/Tcp/TcpTransportListener.cs	68.29%	9 Missing and 4 partials ⚠️
Stack/Opc.Ua.Core/Stack/Tcp/TcpListenerChannel.cs	42.10%	7 Missing and 4 partials ⚠️
Stack/Opc.Ua.Core/Stack/Tcp/UaSCBinaryChannel.cs	50.00%	5 Missing and 1 partial ⚠️
...k/Opc.Ua.Core/Stack/Tcp/UaSCBinaryClientChannel.cs	28.57%	2 Missing and 3 partials ⚠️
Libraries/Opc.Ua.Server/Server/StandardServer.cs	71.42%	0 Missing and 2 partials ⚠️
...c.Ua.Core/Stack/Tcp/UaSCBinaryChannel.Symmetric.cs	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2540      +/-   ##
==========================================
- Coverage   54.70%   54.58%   -0.13%     
==========================================
  Files         342      342              
  Lines       65041    65082      +41     
  Branches    13331    13350      +19     
==========================================
- Hits        35581    35522      -59     
- Misses      25612    25682      +70     
- Partials     3848     3878      +30     

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[mregen]

some tests are failing, is all yet updated for the new state?

[mregen]

This change is not quite ready. The cleanup timer should only close inactive or opening channels.
A channel enters inactive state if an active session is closed.
Once inactive, the timer checks inactivity and closes it.

[EthanChangAED]

@mregen, please review the updates.

[mregen]

@mregen, please review the updates.

testing this next...

[mregen]

lgtm

[mregen]

please check my comment on AcceptSocket, it should be closed right away?

[mregen]

tested and looks all good to me..