func (c *Client) Hello() {
//dataPackage := pool.Get(DATA_PACKAGE).(*protocol.DataPackage)
dataPackage := protocol.GetDataPackage()
dataPackage.Head.PkgLen = uint16(protocol.DATA_PACKAGE_HEAD_SIZE)
dataPackage.Head.Command = protocol.CLIENT_CMD_HEARTBEAT
buf := protocol.GetBuffer()
binary.Write(buf, binary.BigEndian, dataPackage.Head)
c.Conn.SetDeadline(time.Now().Add(NET_WRITE_DATELINE))
if _, err := c.Conn.Write(buf.Bytes()); err != nil {
syslog.Warn(err)
}
protocol.PutBuffer(buf)
protocol.PutDataPackage(dataPackage)
}
func (this *Service) HandleMessage(message *nsq.Message) error {
dp := protocol.GetDataPackage()
if err := dp.Unpackage(message.Body); err != nil {
syslog.Warn(err, string(message.Body))
protocol.PutDataPackage(dp)
return nil
}
this.RWMutex.RLock()
client, ok := this.ClientMap[dp.Tail.SID]
this.RWMutex.RUnlock()
if !ok || client.Stat == CLIENT_STATE_OFFLINE || dp.Tail.SID != client.Sid {
protocol.PutDataPackage(dp)
return nil
}
if client.RespCh == nil {
protocol.PutDataPackage(dp)
return nil
}
dp.Data = client
client.RespCh <- dp
atomic.AddInt32(&client.MsgCount, 1)
return nil
}
func (this *ClientGroup) Response() {
var dp *protocol.DataPackage = nil
var client *Client = nil
for this.Exit == false {
select {
case dp = <-this.RespCh:
client = dp.Data.(*Client)
if err := client.Response(dp); err != nil {
syslog.Warn(err)
}
atomic.AddInt32(&client.MsgCount, -1)
protocol.PutDataPackage(dp)
}
}
}
func (h *DBHandler) HandleMessage(message *nsq.Message) error {
var resp []byte
var err error
defer func() {
if err != nil {
syslog.Warn(err)
}
}()
dataPackage := protocol.GetDataPackage()
defer protocol.PutDataPackage(dataPackage)
if err := dataPackage.Unpackage(message.Body); err != nil {
return nil
}
head := &dataPackage.Head
jsonStr := dataPackage.BodyData()
tail := &dataPackage.Tail
syslog.Debug(*head, string(jsonStr), *tail)
switch head.Command {
case protocol.CLIENT_CMD_USER_REGISTER:
resp = h.Register(head, jsonStr, tail)
case protocol.CLIENT_CMD_USER_LOGIN:
resp = h.Login(head, jsonStr, tail)
default:
syslog.Debug("invalid cmd:", head.Command, *tail)
return nil
}
respBuf := protocol.GetBuffer()
defer protocol.PutBuffer(respBuf)
head.PkgLen = uint16(protocol.DATA_PACKAGE_HEAD_SIZE + len(resp))
binary.Write(respBuf, binary.BigEndian, head)
binary.Write(respBuf, binary.BigEndian, resp)
binary.Write(respBuf, binary.BigEndian, tail)
topic := fmt.Sprintf("conn_%s_%d", util.IPToStr(tail.IP), tail.Port)
common.NsqPublish(topic, respBuf.Bytes())
syslog.Debug2("db_server --> conn_server publish:", topic, head, string(resp), tail)
return nil
}
func (c *Client) Request() bool {
var reqBuf [2048]byte
curTime := time.Now().Unix()
c.Conn.SetDeadline(time.Now().Add(NET_READ_DATELINE))
if _, err := io.ReadFull(c.Conn, reqBuf[:2]); err != nil {
if opErr, ok := err.(*net.OpError); ok && opErr.Timeout() {
// 太长时间没有交互退出
if c.Stat == CLIENT_STATE_INIT && c.LastTime+CONNECT_NO_LOGIN_TIMEOUT < curTime {
syslog.Info(c.Uid, c.Sid, "no login timeout 30 s, lastTime:", c.LastTime, " nowTime:", curTime)
return false
} else if c.LastTime+CONNECT_NO_REQUEST_TIMEOUT < curTime {
syslog.Info(c.Uid, c.Sid, "timeout 180 s, lastTime:", c.LastTime, " nowTime:", curTime)
return false
}
return true
}
syslog.Info(c.Uid, c.Sid, "recv error:", err.Error())
return false
} else {
headLen := binary.BigEndian.Uint16(reqBuf[0:2])
if headLen > protocol.DATA_PACKAGE_MAX_SIZE {
syslog.Info(c.Uid, c.Sid, "head len :", headLen, " too large", reqBuf[0], reqBuf[1])
return true
} else if headLen < protocol.DATA_PACKAGE_HEAD_SIZE {
syslog.Info(c.Uid, c.Sid, "head len :", headLen, " too small", reqBuf[0], reqBuf[1])
return true
}
c.Conn.SetDeadline(time.Now().Add(NET_READ_MAX_DATELINE))
if _, err := io.ReadFull(c.Conn, reqBuf[2:headLen]); err != nil {
syslog.Info(c.Uid, c.Sid, "recv error:", err)
return false
}
dataPackage := protocol.GetDataPackage()
defer protocol.PutDataPackage(dataPackage)
if err := dataPackage.Unpackage(reqBuf[:headLen]); err != nil {
syslog.Info(c.Uid, c.Sid, "DecPkgBody failed :", err)
return false
}
head := dataPackage.Head
syslog.Debug("client requst:", head)
if head.Command != protocol.CLIENT_CMD_HEARTBEAT && head.Command != protocol.CLIENT_CMD_USER_LOGIN &&
head.Command != protocol.CLIENT_CMD_USER_REGISTER && c.Stat != CLIENT_STATE_ONLINE {
syslog.Info("no login no operate!!!", head)
return false
} else {
c.LastTime = time.Now().Unix()
dataPackage.Tail.IP = g_IP
dataPackage.Tail.Port = g_Port
dataPackage.Tail.SID = c.Sid
dataPackage.Tail.UID = c.Uid
dataPackage.Data = c
if head.Command != protocol.CLIENT_CMD_HEARTBEAT {
//派发消息到其它服务器处理
err = c.Produce(dataPackage)
} else {
//回复心跳
err = c.Response(dataPackage)
}
if err != nil {
syslog.Info(err)
return false
}
}
}
return true
}