75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
package ftcp
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import (
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"net"
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"github.com/go-gost/core/common/util/udp"
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"github.com/go-gost/core/listener"
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"github.com/go-gost/core/logger"
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md "github.com/go-gost/core/metadata"
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metrics "github.com/go-gost/core/metrics/wrapper"
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"github.com/go-gost/core/registry"
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"github.com/xtaci/tcpraw"
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)
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func init() {
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registry.ListenerRegistry().Register("ftcp", NewListener)
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}
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type ftcpListener struct {
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ln net.Listener
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logger logger.Logger
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md metadata
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options listener.Options
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}
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func NewListener(opts ...listener.Option) listener.Listener {
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options := listener.Options{}
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for _, opt := range opts {
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opt(&options)
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}
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return &ftcpListener{
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logger: options.Logger,
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options: options,
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}
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}
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func (l *ftcpListener) Init(md md.Metadata) (err error) {
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if err = l.parseMetadata(md); err != nil {
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return
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}
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laddr, err := net.ResolveTCPAddr("tcp", l.options.Addr)
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if err != nil {
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return
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}
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var conn net.PacketConn
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conn, err = tcpraw.Listen("tcp", l.options.Addr)
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if err != nil {
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return
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}
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conn = metrics.WrapPacketConn(l.options.Service, conn)
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l.ln = udp.NewListener(
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conn,
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laddr,
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l.md.backlog,
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l.md.readQueueSize, l.md.readBufferSize,
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l.md.ttl,
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l.logger)
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return
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}
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func (l *ftcpListener) Accept() (conn net.Conn, err error) {
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return l.ln.Accept()
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}
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func (l *ftcpListener) Addr() net.Addr {
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return l.ln.Addr()
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}
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func (l *ftcpListener) Close() error {
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return l.ln.Close()
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}
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