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Server tun worker now in redial goroutine. TODO: Finish full two-way state change msging

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This commit is contained in:
Russ Magee 2018-11-01 22:47:25 -07:00
parent 1a153b31ee
commit dd37922fb2
1 changed files with 71 additions and 75 deletions
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26
hkexnet/hkextun.go
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@ -140,17 +140,18 @@ func (hc *Conn) StartClientTunnel(lport, rport uint16) {
func (hc *Conn) StartServerTunnel(lport, rport uint16) {
hc.InitTunEndpoint(lport, "", rport)
t := hc.tuns[rport] // for convenience
var err error
//go func() {
// for cmd := range t.Ctl {
// var c net.Conn
// if cmd == 'a' {
go func() {
for cmd := range t.Ctl {
var c net.Conn
if cmd == 'a' {
logger.LogDebug("Server dialling...")
c, err := net.Dial("tcp", fmt.Sprintf(":%d", rport))
c, err = net.Dial("tcp", fmt.Sprintf(":%d", rport))
if err != nil {
logger.LogDebug(fmt.Sprintf("Nothing is serving at rport :%d!", rport))
var resp bytes.Buffer
binary.Write(&resp, binary.BigEndian, /*lport*/uint16(0))
binary.Write(&resp, binary.BigEndian /*lport*/, uint16(0))
binary.Write(&resp, binary.BigEndian, rport)
hc.WritePacket(resp.Bytes(), CSOTunRefused)
} else {
@ -213,13 +214,8 @@ func (hc *Conn) StartServerTunnel(lport, rport uint16) {
}
}()
}
// } else if cmd == 'h' {
// logger.LogDebug("[Server hanging up on rport on behalf of client]")
// c.Close()
// } else {
// logger.LogDebug("[ERR: this should be unreachable]")
// }
// } // t.Ctl read loop
// logger.LogDebug("[ServerTunnel() exiting t.Ctl read loop - channel closed??]")
//}()
} // TODO: elseifs for other state transtions driven by client
}
}() // t.Ctl read loop
logger.LogDebug("[ServerTunnel() exiting t.Ctl read loop - channel closed??]")
}