func (r *ReadWriter) Read(p []byte) (int, error) {
	var totalRead int
	var totalFrame int

	var flag int
	var err error

	if r.currentIndex == 0 {
		s := r.poller.Wait(r.timeoutMillis)
		if s == nil {
			return totalRead, ErrTimeout
		}

		r.frame, flag, err = s.RecvFrame()

		if s.GetType() == Router && r.currentIndex == 0 {
			r.clientIDs = append(r.clientIDs, string(r.frame))
			r.frame, flag, err = s.RecvFrame()
		}

		if flag == FlagMore {
			return totalRead, ErrMultiPartUnsupported
		}

		if err != nil {
			return totalRead, io.EOF
		}
	}

	totalRead += copy(p[:], r.frame[r.currentIndex:])
	totalFrame += len(r.frame)

	if totalFrame-r.currentIndex > len(p) {
		r.currentIndex = totalRead
	} else {
		r.currentIndex = 0
		err = io.EOF
	}

	return totalRead, err
}
// Read satisifies io.Read
Read satisifies io.Read
// Read satisifies io . Read
func (r *ReadWriter) Read(p []byte) (int, error) {
	var totalRead int
	var totalFrame int
	var flag int
	var err error
	if r.currentIndex == 0 {
		s := r.poller.Wait(r.timeoutMillis)
		if s == nil {
			return totalRead, ErrTimeout
		}
		r.frame, flag, err = s.RecvFrame()
		if s.GetType() == Router && r.currentIndex == 0 {
			r.clientIDs = append(r.clientIDs, string(r.frame))
			r.frame, flag, err = s.RecvFrame()
		}
		if flag == FlagMore {
			return totalRead, ErrMultiPartUnsupported
		}
		if err != nil {
			return totalRead, io.EOF
		}
	}
	totalRead += copy(p[:], r.frame[r.currentIndex:])
	totalFrame += len(r.frame)
	if totalFrame-r.currentIndex > len(p) {
		r.currentIndex = totalRead
	} else {
		r.currentIndex = 0
		err = io.EOF
	}
	return totalRead, err
}
func ( r * ReadWriter ) Read ( p [ ] byte ) ( int , error ) { var totalRead int var totalFrame int var flag int var err error if r . currentIndex == 0 { s := r . poller . Wait ( r . timeoutMillis ) if s == nil { return totalRead , ErrTimeout } r . frame , flag , err = s . RecvFrame ( ) if s . GetType ( ) == Router && r . currentIndex == 0 { r . clientIDs = append ( r . clientIDs , string ( r . frame ) ) r . frame , flag , err = s . RecvFrame ( ) } if flag == FlagMore { return totalRead , ErrMultiPartUnsupported } if err != nil { return totalRead , io . EOF } } totalRead += copy ( p [ : ] , r . frame [ r . currentIndex : ] ) totalFrame += len ( r . frame ) if totalFrame - r . currentIndex > len ( p ) { r . currentIndex = totalRead } else { r . currentIndex = 0 err = io . EOF } return totalRead , err }
Read satisifies io.Read
Read satisifies io . Read