This commit is contained in:
esrrhs 2019-10-31 21:48:32 +08:00
parent 2a75a80a0e
commit 0ba2aa2297
4 changed files with 65 additions and 39 deletions

View File

@ -113,6 +113,7 @@ type Client struct {
}
type ClientConn struct {
exit bool
ipaddr *net.UDPAddr
tcpaddr *net.TCPAddr
id string
@ -286,7 +287,7 @@ func (p *Client) AcceptTcpConn(conn *net.TCPConn, targetAddr string) {
fm := NewFrameMgr(p.tcpmode_buffersize, p.tcpmode_maxwin, p.tcpmode_resend_timems, p.tcpmode_compress, p.tcpmode_stat)
now := time.Now()
clientConn := &ClientConn{tcpaddr: tcpsrcaddr, id: uuid, activeRecvTime: now, activeSendTime: now, close: false,
clientConn := &ClientConn{exit: false, tcpaddr: tcpsrcaddr, id: uuid, activeRecvTime: now, activeSendTime: now, close: false,
fm: fm}
p.addClientConn(uuid, tcpsrcaddr.String(), clientConn)
loggo.Info("client accept new local tcp %s %s", uuid, tcpsrcaddr.String())
@ -294,7 +295,7 @@ func (p *Client) AcceptTcpConn(conn *net.TCPConn, targetAddr string) {
loggo.Info("start connect remote tcp %s %s", uuid, tcpsrcaddr.String())
clientConn.fm.Connect()
startConnectTime := time.Now()
for !p.exit {
for !p.exit && !clientConn.exit {
if clientConn.fm.IsConnected() {
break
}
@ -327,7 +328,7 @@ func (p *Client) AcceptTcpConn(conn *net.TCPConn, targetAddr string) {
tcpActiveRecvTime := time.Now()
tcpActiveSendTime := time.Now()
for !p.exit {
for !p.exit && !clientConn.exit {
now := time.Now()
sleep := true
@ -415,7 +416,7 @@ func (p *Client) AcceptTcpConn(conn *net.TCPConn, targetAddr string) {
}
startCloseTime := time.Now()
for !p.exit {
for !p.exit && !clientConn.exit {
now := time.Now()
clientConn.fm.Update()
@ -497,7 +498,7 @@ func (p *Client) Accept() error {
continue
}
uuid := UniqueId()
clientConn = &ClientConn{ipaddr: srcaddr, id: uuid, activeRecvTime: now, activeSendTime: now, close: false}
clientConn = &ClientConn{exit: false, ipaddr: srcaddr, id: uuid, activeRecvTime: now, activeSendTime: now, close: false}
p.addClientConn(uuid, srcaddr.String(), clientConn)
loggo.Info("client accept new local udp %s %s", uuid, srcaddr.String())
}
@ -539,6 +540,15 @@ func (p *Client) processPacket(packet *Packet) {
return
}
if packet.my.Type == (int32)(MyMsg_KICK) {
clientConn := p.getClientConnById(packet.my.Id)
if clientConn != nil {
p.close(clientConn)
loggo.Info("remote kick local %s", packet.my.Id)
}
return
}
loggo.Debug("processPacket %s %s %d", packet.my.Id, packet.src.String(), len(packet.my.Data))
clientConn := p.getClientConnById(packet.my.Id)
@ -574,6 +584,7 @@ func (p *Client) processPacket(packet *Packet) {
}
func (p *Client) close(clientConn *ClientConn) {
clientConn.exit = true
p.deleteClientConn(clientConn.id, clientConn.ipaddr.String())
p.deleteClientConn(clientConn.id, clientConn.tcpaddr.String())
}

View File

@ -25,18 +25,21 @@ type MyMsg_TYPE int32
const (
MyMsg_DATA MyMsg_TYPE = 0
MyMsg_PING MyMsg_TYPE = 1
MyMsg_KICK MyMsg_TYPE = 2
MyMsg_MAGIC MyMsg_TYPE = 57005
)
var MyMsg_TYPE_name = map[int32]string{
0: "DATA",
1: "PING",
2: "KICK",
57005: "MAGIC",
}
var MyMsg_TYPE_value = map[string]int32{
"DATA": 0,
"PING": 1,
"KICK": 2,
"MAGIC": 57005,
}
@ -402,36 +405,37 @@ func init() {
func init() { proto.RegisterFile("msg.proto", fileDescriptor_c06e4cca6c2cc899) }
var fileDescriptor_c06e4cca6c2cc899 = []byte{
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// 499 bytes of a gzipped FileDescriptorProto
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}

View File

@ -5,6 +5,7 @@ message MyMsg {
enum TYPE {
DATA = 0;
PING = 1;
KICK = 2;
MAGIC = 0xdead;
}

View File

@ -27,7 +27,8 @@ type Server struct {
conn *icmp.PacketConn
localConnMap sync.Map
localConnMap sync.Map
remoteConnErrorMap sync.Map
sendPacket uint64
recvPacket uint64
@ -123,6 +124,7 @@ func (p *Server) processPacket(packet *Packet) {
if p.maxconn > 0 && p.localConnMapSize >= p.maxconn {
loggo.Info("too many connections %d, server connected target fail %s", p.localConnMapSize, packet.my.Target)
p.remoteError(id, packet)
return
}
@ -133,6 +135,7 @@ func (p *Server) processPacket(packet *Packet) {
c, err := net.DialTimeout("tcp", addr, time.Second)
if err != nil {
loggo.Error("Error listening for tcp packets: %s", err.Error())
p.remoteError(id, packet)
return
}
targetConn := c.(*net.TCPConn)
@ -155,6 +158,7 @@ func (p *Server) processPacket(packet *Packet) {
c, err := net.DialTimeout("udp", addr, time.Second)
if err != nil {
loggo.Error("Error listening for tcp packets: %s", err.Error())
p.remoteError(id, packet)
return
}
targetConn := c.(*net.UDPConn)
@ -471,7 +475,6 @@ func (p *Server) showNet() {
}
func (p *Server) addServerConn(uuid string, serverConn *ServerConn) {
p.localConnMap.Store(uuid, serverConn)
}
@ -486,3 +489,10 @@ func (p *Server) getServerConnById(uuid string) *ServerConn {
func (p *Server) deleteServerConn(uuid string) {
p.localConnMap.Delete(uuid)
}
func (p *Server) remoteError(uuid string, packet *Packet) {
sendICMP(packet.echoId, packet.echoSeq, *p.conn, packet.src, "", uuid, (uint32)(MyMsg_KICK), packet.my.Data,
(int)(packet.my.Rproto), -1, p.key,
0, 0, 0, 0, 0, 0,
0)
}