Rainbond/pkg/node/monitormessage/udpserver.go
2018-01-10 17:35:07 +08:00

109 lines
2.7 KiB
Go

// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package monitormessage
import (
"fmt"
"net"
"strings"
"time"
"github.com/Sirupsen/logrus"
"github.com/goodrain/rainbond/pkg/discover"
"github.com/goodrain/rainbond/pkg/discover/config"
"github.com/prometheus/common/log"
)
//UDPServer udp server
type UDPServer struct {
ListenerHost string
ListenerPort int
eventServerEndpoint []string
}
//CreateUDPServer create udpserver
func CreateUDPServer(lisHost string, lisPort int) *UDPServer {
return &UDPServer{
ListenerHost: lisHost,
ListenerPort: lisPort,
}
}
//Start start
func (u *UDPServer) Start() error {
dis, err := discover.GetDiscover(config.DiscoverConfig{})
if err != nil {
return err
}
dis.AddProject("event_log_event_udp", u)
if err := u.server(); err != nil {
return err
}
return nil
}
//UpdateEndpoints update event server address
func (u *UDPServer) UpdateEndpoints(endpoints ...*config.Endpoint) {
var eventServerEndpoint []string
for _, e := range endpoints {
strings.Split(e.URL, ":")
eventServerEndpoint = append(eventServerEndpoint, e.URL)
}
}
//Error
func (u *UDPServer) Error(err error) {
}
//Server 服务
func (u *UDPServer) server() error {
listener, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.ParseIP(u.ListenerHost), Port: u.ListenerPort})
if err != nil {
fmt.Println(err)
return err
}
log.Infof("UDP Server Listener: %s", listener.LocalAddr().String())
buf := make([]byte, 65535)
go func() {
defer listener.Close()
for {
n, _, err := listener.ReadFromUDP(buf)
if err != nil {
logrus.Errorf("read message from udp error,%s", err.Error())
time.Sleep(time.Second * 2)
continue
}
u.handlePacket(buf[0:n])
}
}()
return nil
}
func (u *UDPServer) handlePacket(packet []byte) {
lines := strings.Split(string(packet), "\n")
for _, line := range lines {
if line != "" {
fmt.Println("Message:" + line)
}
}
}