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// SPDX-License-Identifier: GPL-3.0-or-later
package hdfs
import (
"encoding/json"
"fmt"
"io"
"net/http"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web"
)
func newClient(httpClient *http.Client, request web.Request) *client {
return &client{
httpClient: httpClient,
request: request,
}
}
type client struct {
httpClient *http.Client
request web.Request
}
func (c *client) do() (*http.Response, error) {
req, err := web.NewHTTPRequest(c.request)
if err != nil {
return nil, fmt.Errorf("error on creating http request to %s : %v", c.request.URL, err)
}
// req.Header.Add("Accept-Encoding", "gzip")
// req.Header.Set("User-Agent", "netdata/go.d.plugin")
return c.httpClient.Do(req)
}
func (c *client) doOK() (*http.Response, error) {
resp, err := c.do()
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return resp, fmt.Errorf("%s returned %d", c.request.URL, resp.StatusCode)
}
return resp, nil
}
func (c *client) doOKWithDecodeJSON(dst interface{}) error {
resp, err := c.doOK()
defer closeBody(resp)
if err != nil {
return err
}
err = json.NewDecoder(resp.Body).Decode(dst)
if err != nil {
return fmt.Errorf("error on decoding response from %s : %v", c.request.URL, err)
}
return nil
}
func closeBody(resp *http.Response) {
if resp != nil && resp.Body != nil {
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
}
}
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