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read full http proxy request, fix UnexpectedEOF error

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This commit is contained in:
ffdfgdfg 2020-02-11 00:38:24 +08:00
parent 196c08cb32
commit e2d249a576
1 changed files with 20 additions and 1 deletions
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21
lib/conn/conn.go
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@ -35,11 +35,30 @@ func NewConn(conn net.Conn) *Conn {
return &Conn{Conn: conn}
}
func (s *Conn) readRequest(buf []byte) (n int, err error) {
var rd int
for {
rd, err = s.Read(buf[n:])
if err != nil {
return
}
n += rd
if string(buf[n-4:n]) == "\r\n\r\n" {
return
}
// buf is full, can't contain the request
if n == cap(buf) {
err = io.ErrUnexpectedEOF
return
}
}
}
//get host 、connection type、method...from connection
func (s *Conn) GetHost() (method, address string, rb []byte, err error, r *http.Request) {
var b [32 * 1024]byte
var n int
if n, err = s.Read(b[:]); err != nil {
if n, err = s.readRequest(b[:]); err != nil {
return
}
rb = b[:n]