Read data from sensors. The application uses Python's asyncio framework and
integrates with Tornado to allow other applications to get data with
Server-Sent Event messages.

Dependencies

- Python 3.4
- Tornado
- h5py
- TAWF: get from https://bitbucket.org/wrobell/tawf
- n23: get from https://bitbucket.org/wrobell/n23
- myoctopus-dashboard: get from https://github.com/MyOctopus/myoctopus-data

    cd myoctopus-data
    PYTHONPATH=.:../tawf:../n23 python3 bin/mocto-data -v -w ../myoctopus-dashboard/ -c mocto::data --replay 20151010-1245-humidity-light.hdf

Try the data stream over HTTP::

    $ curl http://localhost:8090/data
    event: message
    data: {"name": "light", "counter": 1, "time": 1447091809.00141, "value": 1315962.875}

    event: message
    data: {"name": "humidity", "counter": 1, "time": 1447091809.00141, "value": 26.715087890625}

    event: message
    data: {"name": "light", "counter": 2, "time": 1447091810.0017693, "value": 1315635.25}

    event: message
    data: {"name": "humidity", "counter": 2, "time": 1447091810.0017693, "value": 26.715087890625}

Try the data stream using Redis::

    $ redis-cli
    127.0.0.1:6379> subscribe mocto::data
    Reading messages... (press Ctrl-C to quit)
    1) "subscribe"
    2) "mocto::data"
    3) (integer) 1
    1) "message"
    2) "mocto::data"
    3) "{\"name\": \"humidity\", \"counter\": 6, \"time\": 1447497288.0016613, \"value\": 26.812744140625}"
    1) "message"
    2) "mocto::data"
    3) "{\"name\": \"light\", \"counter\": 6, \"time\": 1447497288.0016613, \"value\": 1318912.0}"
    1) "message"
    2) "mocto::data"
    3) "{\"name\": \"light\", \"counter\": 7, \"time\": 1447497289.0016828, \"value\": 1316945.875}"
    1) "message"
    2) "mocto::data"
    3) "{\"name\": \"humidity\", \"counter\": 7, \"time\": 1447497289.0016828, \"value\": 26.715087890625}"


Try the dashboard

    http://localhost:8090/dashboard.html