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added the CONN_ERROR event t ype

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hyung-hwan
2025-03-04 01:16:46 +09:00
parent 04e2de609e
commit bec93289f5
5 changed files with 201 additions and 93 deletions
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9
server.go
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@ -754,11 +754,13 @@ func (cts *ServerConn) receive_from_stream(wg *sync.WaitGroup) {
if ok {
if x.Conn.Token == "" {
cts.S.log.Write(cts.Sid, LOG_ERROR, "Invalid conn_desc packet from %s - blank token", cts.RemoteAddr)
cts.pss.Send(MakeConnErrorPacket(1, "blank token refused"))
cts.ReqStop() // TODO: is this desirable to disconnect?
} else if x.Conn.Token != cts.ClientToken {
_, err = strconv.ParseUint(x.Conn.Token, 10, int(unsafe.Sizeof(ConnId(0)) * 8))
if err == nil { // this is not != nil. this is to check if the token is numeric
cts.S.log.Write(cts.Sid, LOG_ERROR, "Invalid conn_desc packet from %s - numeric token '%s'", cts.RemoteAddr, x.Conn.Token)
cts.pss.Send(MakeConnErrorPacket(1, "numeric token refused"))
cts.ReqStop() // TODO: is this desirable to disconnect?
} else {
cts.S.cts_mtx.Lock()
@ -767,6 +769,7 @@ func (cts *ServerConn) receive_from_stream(wg *sync.WaitGroup) {
// error
cts.S.cts_mtx.Unlock()
cts.S.log.Write(cts.Sid, LOG_ERROR, "Invalid conn_desc packet from %s - duplicate token '%s'", cts.RemoteAddr, x.Conn.Token)
cts.pss.Send(MakeConnErrorPacket(1, "duplicate token refused"))
cts.ReqStop() // TODO: is this desirable to disconnect?
} else {
if cts.ClientToken != "" { delete(cts.S.cts_map_by_token, cts.ClientToken) }
@ -783,12 +786,12 @@ func (cts *ServerConn) receive_from_stream(wg *sync.WaitGroup) {
case PACKET_KIND_CONN_NOTICE:
// the connection from the client to a peer has been established
var x *Packet_Notice
var x *Packet_ConnNoti
var ok bool
x, ok = pkt.U.(*Packet_Notice)
x, ok = pkt.U.(*Packet_ConnNoti)
if ok {
if cts.S.conn_notice != nil {
cts.S.conn_notice.Handle(cts, x.Notice.Text)
cts.S.conn_notice.Handle(cts, x.ConnNoti.Text)
}
} else {
cts.S.log.Write(cts.Sid, LOG_ERROR, "Invalid conn_notice packet from %s", cts.RemoteAddr)