/
conn.go
180 lines (156 loc) · 3.87 KB
/
conn.go
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package bed
import (
"bytes"
"github.com/giskook/gotcp"
"log"
"time"
)
var ConnSuccess uint8 = 0
var ConnUnauth uint8 = 1
type ConnConfig struct {
HeartBeat uint8
ReadLimit int64
WriteLimit int64
NsqChanLimit int32
}
type Conn struct {
conn *gotcp.Conn
config *ConnConfig
recieveBuffer *bytes.Buffer
ticker *time.Ticker
readflag int64
writeflag int64
packetNsqReceiveChan chan gotcp.Packet
closeChan chan bool
index uint32
uid uint64
status uint8
}
func NewConn(conn *gotcp.Conn, config *ConnConfig) *Conn {
return &Conn{
conn: conn,
recieveBuffer: bytes.NewBuffer([]byte{}),
config: config,
readflag: time.Now().Unix(),
writeflag: time.Now().Unix(),
ticker: time.NewTicker(time.Duration(config.HeartBeat) * time.Second * 10),
packetNsqReceiveChan: make(chan gotcp.Packet, config.NsqChanLimit),
closeChan: make(chan bool),
index: 0,
status: ConnSuccess,
}
}
func (c *Conn) Close() {
c.closeChan <- true
c.ticker.Stop()
c.recieveBuffer.Reset()
close(c.packetNsqReceiveChan)
close(c.closeChan)
}
func (c *Conn) GetBedID() uint64 {
return c.uid
}
func (c *Conn) GetBuffer() *bytes.Buffer {
return c.recieveBuffer
}
func (c *Conn) writeToclientLoop() {
defer func() {
c.conn.Close()
}()
for {
select {
case p := <-c.packetNsqReceiveChan:
if p != nil {
c.conn.GetRawConn().Write(p.Serialize())
}
case <-c.closeChan:
return
}
}
}
func (c *Conn) SendToBed(p gotcp.Packet) {
c.packetNsqReceiveChan <- p
}
func (c *Conn) UpdateReadflag() {
c.readflag = time.Now().Unix()
}
func (c *Conn) UpdateWriteflag() {
c.writeflag = time.Now().Unix()
}
func (c *Conn) SetStatus(status uint8) {
c.status = status
}
func (c *Conn) checkHeart() {
defer func() {
c.conn.Close()
}()
var now int64
for {
select {
case <-c.ticker.C:
now = time.Now().Unix()
if now-c.readflag > c.config.ReadLimit {
log.Println("read linmit")
return
}
if now-c.writeflag > c.config.WriteLimit {
log.Println("write limit")
return
}
if c.status == ConnUnauth {
log.Printf("close connection %d\n", c.uid)
return
}
case <-c.closeChan:
return
}
}
}
func (c *Conn) Do() {
go c.checkHeart()
go c.writeToclientLoop()
}
type Callback struct{}
func (this *Callback) OnConnect(c *gotcp.Conn) bool {
heartbeat := GetConfiguration().GetServerConnCheckInterval()
readlimit := GetConfiguration().GetServerReadLimit()
writelimit := GetConfiguration().GetServerWriteLimit()
config := &ConnConfig{
HeartBeat: uint8(heartbeat),
ReadLimit: int64(readlimit),
WriteLimit: int64(writelimit),
}
conn := NewConn(c, config)
c.PutExtraData(conn)
//NewConns().Add(conn)
conn.Do()
return true
}
func (this *Callback) OnClose(c *gotcp.Conn) {
conn := c.GetExtraData().(*Conn)
conn.Close()
NewConns().Remove(conn.GetBedID())
NewBedHub().Remove(conn.GetBedID())
}
func (this *Callback) OnMessage(c *gotcp.Conn, p gotcp.Packet) bool {
bedPacket := p.(*BedPacket)
switch bedPacket.Type {
case Login:
c.AsyncWritePacket(bedPacket, time.Second)
case HeartBeat:
c.AsyncWritePacket(bedPacket, time.Second)
case AppControlFeedback:
GetServer().GetProducer().Send(GetServer().GetTopic(), p.Serialize())
case HandleControlFeedback:
GetServer().GetProducer().Send(GetServer().GetTopic(), p.Serialize())
case AppPottyFeedback:
GetServer().GetProducer().Send(GetServer().GetTopic(), p.Serialize())
case HandlePottyFeedback:
GetServer().GetProducer().Send(GetServer().GetTopic(), p.Serialize())
case AfterPotty:
GetServer().GetProducer().Send(GetServer().GetTopic(), p.Serialize())
case AppBedReset:
GetServer().GetProducer().Send(GetServer().GetTopic(), p.Serialize())
}
return true
}