mihomo/proxy/http/server.go
gVisor bot 913111dc2e Fix: goroutine leak while closing proxy (#43)
* Fix: goroutine leak while closing proxy

* Chore: improve proxy architecture

* Fix: stack overflow
2018-11-22 11:54:01 +08:00

74 lines
1.2 KiB
Go

package http
import (
"bufio"
"net"
"net/http"
"github.com/Dreamacro/clash/adapters/inbound"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/tunnel"
)
var (
tun = tunnel.Instance()
)
type httpListener struct {
net.Listener
address string
closed bool
}
func NewHttpProxy(addr string) (*httpListener, error) {
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
}
hl := &httpListener{l, addr, false}
go func() {
log.Infoln("HTTP proxy listening at: %s", addr)
for {
c, err := hl.Accept()
if err != nil {
if hl.closed {
break
}
continue
}
go handleConn(c)
}
}()
return hl, nil
}
func (l *httpListener) Close() {
l.closed = true
l.Listener.Close()
}
func (l *httpListener) Address() string {
return l.address
}
func handleConn(conn net.Conn) {
br := bufio.NewReader(conn)
request, err := http.ReadRequest(br)
if err != nil {
conn.Close()
return
}
if request.Method == http.MethodConnect {
_, err := conn.Write([]byte("HTTP/1.1 200 Connection established\r\n\r\n"))
if err != nil {
return
}
tun.Add(adapters.NewHTTPS(request, conn))
return
}
tun.Add(adapters.NewHTTP(request, conn))
}