78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
/*
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Copyright (c) 2015, Hendrik van Wyk
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of invertergui nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package datasource
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import (
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"encoding/json"
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"net/http"
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)
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type DataSource interface {
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GetData(*MultiplusStatus) error
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}
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type MultiplusStatus struct {
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OutCurrent float64 `json:"outCurrent"`
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InCurrent float64 `json:"inCurrent"`
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OutVoltage float64 `json:"outVoltage"`
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InVoltage float64 `json:"inVoltage"`
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BatVoltage float64 `json:"batVoltage"`
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BatCurrent float64 `json:"batCurrent"`
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InFreq float64 `json:"inFreq"`
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OutFreq float64 `json:"outFreq"`
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Leds []int `json:"leds"`
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}
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type source struct {
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url string
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}
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func NewJSONSource(url string) DataSource {
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return &source{url: url}
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}
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func (s *source) GetData(status *MultiplusStatus) error {
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resp, err := http.Get(s.url)
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if err != nil {
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return err
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}
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dec := json.NewDecoder(resp.Body)
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err = dec.Decode(status)
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if err != nil {
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return err
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}
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err = resp.Body.Close()
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if err != nil {
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return err
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}
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return nil
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}
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