func _monitor() {
client := nhttpclient.GetHttpClient("monitor.get", 5*time.Second, 10*time.Second)
for _, host := range g.Config().Monitor.Cluster {
hostInfo := strings.Split(host, ",") // "module,hostname:port/health/monitor/url"
if len(hostInfo) != 2 {
continue
}
//hostType := hostInfo[0]
hostUrl := hostInfo[1]
if !strings.Contains(hostUrl, "http://") {
hostUrl = "http://" + hostUrl
}
req, _ := http.NewRequest("GET", hostUrl, nil)
req.Header.Set("Connection", "close")
getResp, err := client.Do(req)
if err != nil {
log.Printf(host+", monitor error,", err)
onMonitorErr(host)
continue
}
defer getResp.Body.Close()
body, err := ioutil.ReadAll(getResp.Body) // body=['o','k',...]
if !(err == nil && len(body) >= 2 && string(body[:2]) == "ok") { // err
log.Println(host, ", error,", err)
onMonitorErr(host)
} else { // get "ok"
onMonitorOk(host)
}
}
}
func alarmCallback(caUrl string, content string) error {
client := nhttpclient.GetHttpClient("monitor.callback", 5*time.Second, 10*time.Second)
// send by http-post
req, err := http.NewRequest("POST", caUrl, bytes.NewBufferString(content))
req.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
req.Header.Set("Connection", "close")
postResp, err := client.Do(req)
if err != nil {
return err
}
defer postResp.Body.Close()
if postResp.StatusCode/100 != 2 {
return fmt.Errorf("Http-Post Error, Code %d", postResp.StatusCode)
}
return nil
}