mirror of https://github.com/minio/minio.git
92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
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package nsq
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import (
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"time"
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)
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type deadlinedConn struct {
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Timeout time.Duration
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net.Conn
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}
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func (c *deadlinedConn) Read(b []byte) (n int, err error) {
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c.Conn.SetReadDeadline(time.Now().Add(c.Timeout))
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return c.Conn.Read(b)
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}
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func (c *deadlinedConn) Write(b []byte) (n int, err error) {
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c.Conn.SetWriteDeadline(time.Now().Add(c.Timeout))
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return c.Conn.Write(b)
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}
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func newDeadlineTransport(timeout time.Duration) *http.Transport {
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transport := &http.Transport{
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DisableKeepAlives: true,
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Dial: func(netw, addr string) (net.Conn, error) {
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c, err := net.DialTimeout(netw, addr, timeout)
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if err != nil {
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return nil, err
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}
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return &deadlinedConn{timeout, c}, nil
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},
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}
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return transport
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}
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type wrappedResp struct {
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Status string `json:"status_txt"`
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StatusCode int `json:"status_code"`
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Data interface{} `json:"data"`
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}
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// stores the result in the value pointed to by ret(must be a pointer)
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func apiRequestNegotiateV1(method string, endpoint string, body io.Reader, ret interface{}) error {
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httpclient := &http.Client{Transport: newDeadlineTransport(2 * time.Second)}
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req, err := http.NewRequest(method, endpoint, body)
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if err != nil {
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return err
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}
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req.Header.Add("Accept", "application/vnd.nsq; version=1.0")
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resp, err := httpclient.Do(req)
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if err != nil {
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return err
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}
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respBody, err := ioutil.ReadAll(resp.Body)
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resp.Body.Close()
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if err != nil {
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return err
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}
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if resp.StatusCode != 200 {
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return fmt.Errorf("got response %s %q", resp.Status, respBody)
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}
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if len(respBody) == 0 {
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respBody = []byte("{}")
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}
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if resp.Header.Get("X-NSQ-Content-Type") == "nsq; version=1.0" {
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return json.Unmarshal(respBody, ret)
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}
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wResp := &wrappedResp{
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Data: ret,
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}
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if err = json.Unmarshal(respBody, wResp); err != nil {
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return err
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}
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// wResp.StatusCode here is equal to resp.StatusCode, so ignore it
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return nil
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}
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