x/listener/tcp/listener.go
2022-09-05 11:08:54 +08:00

68 lines
1.3 KiB
Go

package tcp
import (
"net"
limiter "github.com/go-gost/core/limiter/wrapper"
"github.com/go-gost/core/listener"
"github.com/go-gost/core/logger"
md "github.com/go-gost/core/metadata"
metrics "github.com/go-gost/core/metrics/wrapper"
xnet "github.com/go-gost/x/internal/net"
"github.com/go-gost/x/registry"
)
func init() {
registry.ListenerRegistry().Register("tcp", NewListener)
}
type tcpListener struct {
ln net.Listener
logger logger.Logger
md metadata
options listener.Options
}
func NewListener(opts ...listener.Option) listener.Listener {
options := listener.Options{}
for _, opt := range opts {
opt(&options)
}
return &tcpListener{
logger: options.Logger,
options: options,
}
}
func (l *tcpListener) Init(md md.Metadata) (err error) {
if err = l.parseMetadata(md); err != nil {
return
}
network := "tcp"
if xnet.IsIPv4(l.options.Addr) {
network = "tcp4"
}
ln, err := net.Listen(network, l.options.Addr)
if err != nil {
return
}
ln = metrics.WrapListener(l.options.Service, ln)
l.ln = limiter.WrapListener(l.options.RateLimiter, ln)
return
}
func (l *tcpListener) Accept() (conn net.Conn, err error) {
return l.ln.Accept()
}
func (l *tcpListener) Addr() net.Addr {
return l.ln.Addr()
}
func (l *tcpListener) Close() error {
return l.ln.Close()
}