v2ray-core/proxy/shadowsocks/shadowsocks.go

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// R.I.P Shadowsocks
package shadowsocks
import (
"github.com/v2ray/v2ray-core/common/log"
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v2net "github.com/v2ray/v2ray-core/common/net"
"github.com/v2ray/v2ray-core/proxy"
"github.com/v2ray/v2ray-core/transport/listener"
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)
type Shadowsocks struct {
config *Config
port v2net.Port
accepting bool
tcpListener *listener.TCPListener
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}
func (this *Shadowsocks) Port() v2net.Port {
return this.port
}
func (this *Shadowsocks) Close() {
this.accepting = false
this.tcpListener.Close()
this.tcpListener = nil
}
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func (this *Shadowsocks) Listen(port v2net.Port) error {
if this.accepting {
if this.port == port {
return nil
} else {
return proxy.ErrorAlreadyListening
}
}
tcpListener, err := listener.ListenTCP(port, this.handleConnection)
if err != nil {
log.Error("Shadowsocks: Failed to listen on port ", port, ": ", err)
return err
}
this.tcpListener = tcpListener
this.accepting = true
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return nil
}
func (this *Shadowsocks) handleConnection(conn *listener.TCPConn) {
defer conn.Close()
}