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package mns
import (
"encoding/xml"
"io/ioutil"
"net/http"
"strconv"
)
//队列接口PATH
//POST /queues/$queueName/messages HTTP/1.1
//GET /queues/$queueName/messages?waitseconds=10 HTTP/1.1
//DELETE /queues/$queueName/messages?ReceiptHandle=<receiptHandle> HTTP/1.1
func getPath(queue string) string {
return "/queues/" + queue + "/messages"
}
//发送队列消息
func (queue *Queue) Send(time int64, message []byte) (msg MsgSend, err error) {
req := &request{
endpoint: queue.Endpoint,
method: http.MethodPost,
path: getPath(queue.QueueName),
payload: message,
contentType: "text/xml",
headers: map[string]string{},
}
response, err := queue.doRequest(req)
if err != nil {
return
}
defer response.Body.Close()
//err = xml.NewDecoder(response.Body).Decode(msg)
data, err := ioutil.ReadAll(response.Body)
if err != nil {
return
}
//fmt.Printf("receive message: %s \n", data)
err = xml.Unmarshal(data, &msg)
if err != nil {
return
}
return
}
//消费队列消息
func (queue *Queue) Receive(messageChan chan MsgReceive, errChan chan error) {
req := &request{
endpoint: queue.Endpoint,
method: http.MethodGet,
path: getPath(queue.QueueName),
params: map[string]string{
"waitseconds": strconv.Itoa(5),
},
payload: nil,
contentType: "text/xml",
headers: map[string]string{},
}
response, err := queue.doRequest(req)
if err != nil {
errChan <- err
return
}
defer response.Body.Close()
rs := MsgReceive{}
//err = xml.NewDecoder(response.Body).Decode(rs)
data, err := ioutil.ReadAll(response.Body)
if err != nil {
errChan <- err
return
}
//fmt.Printf("receive message: %s \n", data)
err = xml.Unmarshal(data, &rs)
if err != nil {
errChan <- err
return
}
messageChan <- rs
return
}
//删除队列消息
func (queue *Queue) Delete(receiptHandle string, errChan chan error) {
req := &request{
endpoint: queue.Endpoint,
method: http.MethodDelete,
path: getPath(queue.QueueName),
params: map[string]string{
"ReceiptHandle": receiptHandle,
},
payload: nil,
contentType: "text/xml",
headers: map[string]string{},
}
_, err := queue.doRequest(req)
if err != nil {
errChan <- err
return
}
errChan <- nil
return
}
|
