Function pcapOpenLive

pcap/pcap_windows.go:300–318

(device string, snaplen int, pro int, timeout int)

}

func pcapOpenLive(device string, snaplen int, pro int, timeout int) (*Handle, error) {
	err := LoadWinPCAP()
	if err != nil {
		return nil, err
	}

	buf := make([]byte, errorBufferSize)
	dev, err := syscall.BytePtrFromString(device)
	if err != nil {
		return nil, err
	}

	cptr, _, _ := syscall.Syscall6(pcapOpenLivePtr, 5, uintptr(unsafe.Pointer(dev)), uintptr(snaplen), uintptr(pro), uintptr(timeout), uintptr(unsafe.Pointer(&buf[0])), 0)

	if cptr == 0 {
		return nil, errors.New(byteSliceToString(buf))
	}
	return &Handle{cptr: pcapTPtr(cptr)}, nil
}

func openOffline(file string) (handle *Handle, err error) {
	err = LoadWinPCAP()