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api_request.go
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api_request.go
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package nsq
import (
"errors"
"fmt"
"github.com/bitly/go-simplejson"
"io/ioutil"
"net"
"net/http"
"time"
)
type deadlinedConn struct {
net.Conn
}
func (c *deadlinedConn) Read(b []byte) (n int, err error) {
c.Conn.SetReadDeadline(time.Now().Add(time.Second * 2))
return c.Conn.Read(b)
}
func (c *deadlinedConn) Write(b []byte) (n int, err error) {
c.Conn.SetWriteDeadline(time.Now().Add(time.Second * 2))
return c.Conn.Write(b)
}
func ApiRequest(endpoint string) (*simplejson.Json, error) {
transport := &http.Transport{
Dial: func(netw, addr string) (net.Conn, error) {
c, err := net.DialTimeout(netw, addr, time.Second*2)
if err != nil {
return nil, err
}
return &deadlinedConn{c}, nil
},
}
// use custom transport for deadline timeouts
httpclient := &http.Client{Transport: transport}
req, err := http.NewRequest("GET", endpoint, nil)
if err != nil {
return nil, err
}
resp, err := httpclient.Do(req)
if err != nil {
return nil, err
}
body, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, err
}
data, err := simplejson.NewJson(body)
if err != nil {
return nil, err
}
statusCode, err := data.Get("status_code").Int()
if err != nil {
return nil, err
}
if statusCode != 200 {
return nil, errors.New(fmt.Sprintf("response status_code == %d", statusCode))
}
return data.Get("data"), nil
}