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mux.go
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mux.go
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package mux
import (
"net"
smux "github.com/xtaci/smux"
)
type Session struct {
conn net.Conn
session *smux.Session
}
func ClientSession(conn net.Conn) (*Session, error) {
s, err := smux.Client(conn, smux.DefaultConfig())
if err != nil {
return nil, err
}
return &Session{
conn: conn,
session: s,
}, nil
}
func ServerSession(conn net.Conn) (*Session, error) {
s, err := smux.Server(conn, smux.DefaultConfig())
if err != nil {
return nil, err
}
return &Session{
conn: conn,
session: s,
}, nil
}
func (session *Session) GetConn() (net.Conn, error) {
stream, err := session.session.OpenStream()
if err != nil {
return nil, err
}
return &streamConn{Conn: session.conn, stream: stream}, nil
}
func (session *Session) Accept() (net.Conn, error) {
stream, err := session.session.AcceptStream()
if err != nil {
return nil, err
}
return &streamConn{Conn: session.conn, stream: stream}, nil
}
func (session *Session) Close() error {
if session.session == nil {
return nil
}
return session.session.Close()
}
func (session *Session) IsClosed() bool {
if session.session == nil {
return true
}
return session.session.IsClosed()
}
func (session *Session) NumStreams() int {
return session.session.NumStreams()
}
type streamConn struct {
net.Conn
stream *smux.Stream
}
func (c *streamConn) Read(b []byte) (n int, err error) {
return c.stream.Read(b)
}
func (c *streamConn) Write(b []byte) (n int, err error) {
return c.stream.Write(b)
}
func (c *streamConn) Close() error {
return c.stream.Close()
}