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55 lines
1.4 KiB
55 lines
1.4 KiB
package kcp
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import (
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"crypto/tls"
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"net"
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"sync/atomic"
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"v2ray.com/core/common/dice"
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"v2ray.com/core/common/log"
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v2net "v2ray.com/core/common/net"
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"v2ray.com/core/transport/internet"
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v2tls "v2ray.com/core/transport/internet/tls"
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)
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var (
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globalConv = uint32(dice.Roll(65536))
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)
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func DialKCP(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
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dest.Network = v2net.Network_UDP
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log.Info("KCP|Dialer: Dialing KCP to ", dest)
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conn, err := internet.DialToDest(src, dest)
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if err != nil {
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log.Error("KCP|Dialer: Failed to dial to dest: ", err)
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return nil, err
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}
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cpip, err := effectiveConfig.GetAuthenticator()
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if err != nil {
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log.Error("KCP|Dialer: Failed to create authenticator: ", err)
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return nil, err
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}
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conv := uint16(atomic.AddUint32(&globalConv, 1))
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session := NewConnection(conv, conn, conn.LocalAddr().(*net.UDPAddr), conn.RemoteAddr().(*net.UDPAddr), cpip)
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session.FetchInputFrom(conn)
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var iConn internet.Connection
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iConn = session
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if options.Stream != nil && options.Stream.Security == internet.StreamSecurityTypeTLS {
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config := options.Stream.TLSSettings.GetTLSConfig()
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if dest.Address.Family().IsDomain() {
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config.ServerName = dest.Address.Domain()
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}
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tlsConn := tls.Client(conn, config)
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iConn = v2tls.NewConnection(tlsConn)
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}
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return iConn, nil
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}
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func init() {
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internet.KCPDialer = DialKCP
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}
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