add more guard code to cope with a null stopwatch

ve-global / ve-metrics-statsdclient-csharp

Wrappers and utilities for VE statsd infrastructure

MIT License

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add more guard code to cope with a null stopwatch #13

Closed andyroyle closed 7 years ago

andyroyle commented 7 years ago

In cases where another filter has messed around with the HttpContext the Items dictionary could be in an unknown state and could result in the Stopwatch being missing.

Added some guard code to stop throwing exceptions in these cases