mirror of https://github.com/v2ray/v2ray-core
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
2.6 KiB
130 lines
2.6 KiB
package ray
|
|
|
|
import (
|
|
"io"
|
|
"net"
|
|
"time"
|
|
|
|
"v2ray.com/core/common/buf"
|
|
"v2ray.com/core/common/signal"
|
|
)
|
|
|
|
type ConnectionOption func(*connection)
|
|
|
|
func ConnLocalAddr(addr net.Addr) ConnectionOption {
|
|
return func(c *connection) {
|
|
c.localAddr = addr
|
|
}
|
|
}
|
|
|
|
func ConnRemoteAddr(addr net.Addr) ConnectionOption {
|
|
return func(c *connection) {
|
|
c.remoteAddr = addr
|
|
}
|
|
}
|
|
|
|
func ConnCloseSignal(s *signal.Notifier) ConnectionOption {
|
|
return func(c *connection) {
|
|
c.closeSignal = s
|
|
}
|
|
}
|
|
|
|
type connection struct {
|
|
input InputStream
|
|
output OutputStream
|
|
closed bool
|
|
localAddr net.Addr
|
|
remoteAddr net.Addr
|
|
closeSignal *signal.Notifier
|
|
|
|
reader *buf.BufferedReader
|
|
}
|
|
|
|
var zeroAddr net.Addr = &net.TCPAddr{IP: []byte{0, 0, 0, 0}}
|
|
|
|
// NewConnection wraps a Ray into net.Conn.
|
|
func NewConnection(input InputStream, output OutputStream, options ...ConnectionOption) net.Conn {
|
|
c := &connection{
|
|
input: input,
|
|
output: output,
|
|
localAddr: zeroAddr,
|
|
remoteAddr: zeroAddr,
|
|
reader: buf.NewBufferedReader(input),
|
|
}
|
|
|
|
for _, opt := range options {
|
|
opt(c)
|
|
}
|
|
|
|
return c
|
|
}
|
|
|
|
// Read implements net.Conn.Read().
|
|
func (c *connection) Read(b []byte) (int, error) {
|
|
if c.closed {
|
|
return 0, io.EOF
|
|
}
|
|
return c.reader.Read(b)
|
|
}
|
|
|
|
// ReadMultiBuffer implements buf.Reader.
|
|
func (c *connection) ReadMultiBuffer() (buf.MultiBuffer, error) {
|
|
return c.reader.ReadMultiBuffer()
|
|
}
|
|
|
|
// Write implements net.Conn.Write().
|
|
func (c *connection) Write(b []byte) (int, error) {
|
|
if c.closed {
|
|
return 0, io.ErrClosedPipe
|
|
}
|
|
|
|
l := len(b)
|
|
mb := buf.NewMultiBufferCap(l/buf.Size + 1)
|
|
mb.Write(b)
|
|
return l, c.output.WriteMultiBuffer(mb)
|
|
}
|
|
|
|
func (c *connection) WriteMultiBuffer(mb buf.MultiBuffer) error {
|
|
if c.closed {
|
|
return io.ErrClosedPipe
|
|
}
|
|
|
|
return c.output.WriteMultiBuffer(mb)
|
|
}
|
|
|
|
// Close implements net.Conn.Close().
|
|
func (c *connection) Close() error {
|
|
c.closed = true
|
|
c.output.Close()
|
|
c.input.CloseError()
|
|
if c.closeSignal != nil {
|
|
c.closeSignal.Signal()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// LocalAddr implements net.Conn.LocalAddr().
|
|
func (c *connection) LocalAddr() net.Addr {
|
|
return c.localAddr
|
|
}
|
|
|
|
// RemoteAddr implements net.Conn.RemoteAddr().
|
|
func (c *connection) RemoteAddr() net.Addr {
|
|
return c.remoteAddr
|
|
}
|
|
|
|
// SetDeadline implements net.Conn.SetDeadline().
|
|
func (c *connection) SetDeadline(t time.Time) error {
|
|
return nil
|
|
}
|
|
|
|
// SetReadDeadline implements net.Conn.SetReadDeadline().
|
|
func (c *connection) SetReadDeadline(t time.Time) error {
|
|
return nil
|
|
}
|
|
|
|
// SetWriteDeadline implement net.Conn.SetWriteDeadline().
|
|
func (c *connection) SetWriteDeadline(t time.Time) error {
|
|
return nil
|
|
}
|