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session.go
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session.go
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package udp
import (
"github.com/flylib/gonet"
"net"
"reflect"
"time"
)
// Socket会话
type session struct {
gonet.SessionCommon
remoteAddr *net.UDPAddr
serverConn, remoteConn *net.UDPConn
uuid string
heartbeatTime time.Time //最近心跳时间点
nexCheckTime time.Time //下次检查时间点
}
// 新会话
func newSession(c *gonet.Context, conn *net.UDPConn, remote *net.UDPAddr) *session {
is := c.GetIdleSession()
s := is.(*session)
s.serverConn = conn
s.remoteAddr = remote
s.WithContext(c)
return s
}
func (s *session) RemoteAddr() net.Addr {
return s.remoteAddr
}
// 发送封包
func (s *session) Send(msgID uint32, msg any) error {
data, err := s.GetContext().Package(s, msgID, msg)
if err != nil {
return err
}
if s.remoteConn != nil {
_, err = s.remoteConn.Write(data)
} else {
_, err = s.serverConn.WriteToUDP(data, s.remoteAddr)
}
return err
}
func (s *session) Close() error {
return s.serverConn.Close()
}
// Loop to read messages
func (s *session) recvLoop() {
var buf = make([]byte, 1024)
for {
n, err := s.serverConn.Read(buf)
if err != nil {
s.GetContext().RecycleSession(s)
return
}
msg, _, err := s.GetContext().UnPackage(s, buf[:n])
if err != nil {
s.GetContext().GetEventHandler().OnError(s, err)
continue
}
s.GetContext().PushGlobalMessageQueue(msg)
}
}
// todo 心跳检测
func SessionType() reflect.Type {
return reflect.TypeOf(session{})
}