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Implement UDP relay

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This commit is contained in:
Toby
2021-04-21 21:40:43 -07:00
parent d8b198ca31
commit bca98ef4da
3 changed files with 183 additions and 12 deletions
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38
cmd/client.go
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@@ -181,10 +181,10 @@ func client(config *clientConfig) {
}()
}
if len(config.Relay.Listen) > 0 {
if len(config.TCPRelay.Listen) > 0 {
go func() {
rl, err := relay.NewTCPRelay(client, config.Relay.Listen, config.Relay.Remote,
time.Duration(config.Relay.Timeout)*time.Second,
rl, err := relay.NewTCPRelay(client, config.TCPRelay.Listen, config.TCPRelay.Remote,
time.Duration(config.TCPRelay.Timeout)*time.Second,
func(addr net.Addr) {
logrus.WithFields(logrus.Fields{
"src": addr.String(),
@@ -201,12 +201,40 @@ func client(config *clientConfig) {
"src": addr.String(),
}).Debug("TCP relay EOF")
}
})
if err != nil {
logrus.WithField("error", err).Fatal("Failed to initialize TCP relay")
}
logrus.WithField("addr", config.Relay.Listen).Info("TCP relay up and running")
logrus.WithField("addr", config.TCPRelay.Listen).Info("TCP relay up and running")
errChan <- rl.ListenAndServe()
}()
}
if len(config.UDPRelay.Listen) > 0 {
go func() {
rl, err := relay.NewUDPRelay(client, config.UDPRelay.Listen, config.UDPRelay.Remote,
time.Duration(config.UDPRelay.Timeout)*time.Second,
func(addr net.Addr) {
logrus.WithFields(logrus.Fields{
"src": addr.String(),
}).Debug("UDP relay request")
},
func(addr net.Addr, err error) {
if err != relay.ErrTimeout {
logrus.WithFields(logrus.Fields{
"error": err,
"src": addr.String(),
}).Info("UDP relay error")
} else {
logrus.WithFields(logrus.Fields{
"src": addr.String(),
}).Debug("UDP relay session closed")
}
})
if err != nil {
logrus.WithField("error", err).Fatal("Failed to initialize UDP relay")
}
logrus.WithField("addr", config.UDPRelay.Listen).Info("UDP relay up and running")
errChan <- rl.ListenAndServe()
}()
}