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http_utils.go
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http_utils.go
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// Copyright 2018 The kingbus Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package utils
import (
"bytes"
"encoding/json"
"io/ioutil"
"net/http"
)
//Resp is the response return to client
type Resp struct {
Message string `json:"message"`
Data interface{} `json:"data,omitempty"`
}
//NewResp create a Resp
func NewResp() *Resp {
return &Resp{
Message: "success",
}
}
//SetData set data into Resp
func (r *Resp) SetData(data interface{}) *Resp {
r.Data = data
return r
}
//SetError set error into Resp
func (r *Resp) SetError(msg string) *Resp {
r.Message = msg
return r
}
//SendRequest send PUT request to leader
func SendRequest(method string, leaderURL string, data []byte) (*Resp, error) {
client := &http.Client{}
req, err := http.NewRequest(method, leaderURL, bytes.NewBuffer(data))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json;charset=utf-8")
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
r := new(Resp)
err = json.Unmarshal(respBody, r)
if err != nil {
return nil, err
}
return r, nil
}