Ability to get metrics out of nexus.#2

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johannwagner wants to merge 16 commits intoEmbeddedEnterprises:masterfrom

Commits on Jul 23, 2018

Replace publishfilter against a variable implementation
martin31821
committed

Commits on Jul 27, 2018

Commits on Sep 26, 2018

Add metric callbacks
Johannes Wünsche
committed
Fix function call websocketserver
Johannes Wünsche
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Move counter from action to handler
Johannes Wünsche
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Add traffic bytes counter
Johannes Wünsche
committed

Commits on Sep 27, 2018

Add Callbacks to Websocket creation
Johannes Wünsche
committed
Fix deserialize report
Johannes Wünsche
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Move counter from handlers to serializers
Johannes Wünsche
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Commits on Oct 17, 2018

Refine some metrics
Johannes Wünsche
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Use MetricMap as submap
Johannes Wünsche
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Commits on Oct 18, 2018

Cleared some structures
Johannes Wünsche
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Rename to MetricMapToGoMap, method of MetricMap
Johannes Wünsche
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Fix call in websocketserver
Johannes Wünsche
committed