Check if there are open websockets before writing stream data to cache.

usnistgov / SpectrumBrowser

ITL

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Closed ranganathanm closed 9 years ago

ranganathanm commented 9 years ago

If there are no open websockets on the server do not update the cache. This reduces latency to a minimum when reporting occupancy changes.

ranganathanm commented 9 years ago

Performance improvement added to de72fe50e3f43253150927d24a18bed9dfbf2e41