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// SPDX-License-Identifier: GPL-3.0-or-later
package phpdaemon
import (
"encoding/json"
"fmt"
"io"
"net/http"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web"
)
type decodeFunc func(dst interface{}, reader io.Reader) error
func decodeJson(dst interface{}, reader io.Reader) error { return json.NewDecoder(reader).Decode(dst) }
func newAPIClient(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) queryFullStatus() (*FullStatus, error) {
var status FullStatus
err := c.doWithDecode(&status, decodeJson, c.request)
if err != nil {
return nil, err
}
return &status, nil
}
func (c *client) doWithDecode(dst interface{}, decode decodeFunc, request web.Request) error {
req, err := web.NewHTTPRequest(request)
if err != nil {
return fmt.Errorf("error on creating http request to %s : %v", request.URL, err)
}
resp, err := c.doOK(req)
defer closeBody(resp)
if err != nil {
return err
}
if err = decode(dst, resp.Body); err != nil {
return fmt.Errorf("error on parsing response from %s : %v", req.URL, err)
}
return nil
}
func (c *client) doOK(req *http.Request) (*http.Response, error) {
resp, err := c.httpClient.Do(req)
if err != nil {
return resp, fmt.Errorf("error on request : %v", err)
}
if resp.StatusCode != http.StatusOK {
return resp, fmt.Errorf("%s returned HTTP status %d", req.URL, resp.StatusCode)
}
return resp, err
}
func closeBody(resp *http.Response) {
if resp != nil && resp.Body != nil {
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
}
}
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