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v2ray-core/transport/hub/tcp.go

113 lines
2.0 KiB

package hub
import (
"net"
"time"
"github.com/v2ray/v2ray-core/common/log"
v2net "github.com/v2ray/v2ray-core/common/net"
)
type TCPConn struct {
conn *net.TCPConn
listener *TCPHub
dirty bool
}
func (this *TCPConn) Read(b []byte) (int, error) {
return this.conn.Read(b)
}
func (this *TCPConn) Write(b []byte) (int, error) {
return this.conn.Write(b)
}
func (this *TCPConn) Close() error {
return this.conn.Close()
}
func (this *TCPConn) Release() {
if this.dirty {
this.Close()
return
}
this.listener.recycle(this.conn)
}
func (this *TCPConn) LocalAddr() net.Addr {
return this.conn.LocalAddr()
}
func (this *TCPConn) RemoteAddr() net.Addr {
return this.conn.RemoteAddr()
}
func (this *TCPConn) SetDeadline(t time.Time) error {
return this.conn.SetDeadline(t)
}
func (this *TCPConn) SetReadDeadline(t time.Time) error {
return this.conn.SetReadDeadline(t)
}
func (this *TCPConn) SetWriteDeadline(t time.Time) error {
return this.conn.SetWriteDeadline(t)
}
func (this *TCPConn) CloseRead() error {
return this.conn.CloseRead()
}
func (this *TCPConn) CloseWrite() error {
return this.conn.CloseWrite()
}
type TCPHub struct {
listener *net.TCPListener
connCallback func(*TCPConn)
accepting bool
}
func ListenTCP(port v2net.Port, callback func(*TCPConn)) (*TCPHub, error) {
listener, err := net.ListenTCP("tcp", &net.TCPAddr{
IP: []byte{0, 0, 0, 0},
Port: int(port),
Zone: "",
})
if err != nil {
return nil, err
}
tcpListener := &TCPHub{
listener: listener,
connCallback: callback,
}
go tcpListener.start()
return tcpListener, nil
}
func (this *TCPHub) Close() {
this.accepting = false
this.listener.Close()
}
func (this *TCPHub) start() {
this.accepting = true
for this.accepting {
conn, err := this.listener.AcceptTCP()
if err != nil {
if this.accepting {
log.Warning("Listener: Failed to accept new TCP connection: ", err)
}
continue
}
go this.connCallback(&TCPConn{
conn: conn,
listener: this,
})
}
}
func (this *TCPHub) recycle(conn *net.TCPConn) {
}