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38 lines
877 B
38 lines
877 B
package dao |
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import ( |
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"context" |
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"fmt" |
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"io/ioutil" |
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"net/http" |
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"time" |
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"github.com/pkg/errors" |
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) |
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// PvData get binary data from pvdata url |
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func (d *Dao) PvData(c context.Context, pvURL string) (res []byte, err error) { |
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var ( |
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req *http.Request |
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resp *http.Response |
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cancel func() |
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) |
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if req, err = http.NewRequest("GET", pvURL, nil); err != nil { |
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err = errors.Wrapf(err, "PvData http.NewRequest(%s)", pvURL) |
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return |
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} |
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c, cancel = context.WithTimeout(c, time.Duration(d.c.Rule.VsTimeout)) |
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defer cancel() |
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req = req.WithContext(c) |
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if resp, err = d.vsClient.Do(req); err != nil { |
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err = errors.Wrapf(err, "httpClient.Do(%s)", pvURL) |
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return |
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} |
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defer resp.Body.Close() |
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if resp.StatusCode >= http.StatusBadRequest { |
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err = fmt.Errorf("PvData url(%s) resp.StatusCode(%v)", pvURL, resp.StatusCode) |
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return |
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} |
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res, err = ioutil.ReadAll(resp.Body) |
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return |
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}
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