Exemplo n.º 1
0
func (dec *Decoder) readBlob(blobHeader *OSMPBF.BlobHeader) (*OSMPBF.Blob, error) {
	buf := make([]byte, blobHeader.GetDatasize())
	if _, err := io.ReadFull(dec.r, buf); err != nil {
		return nil, err
	}

	blob := new(OSMPBF.Blob)
	if err := proto.Unmarshal(buf, blob); err != nil {
		return nil, err
	}
	return blob, nil
}
Exemplo n.º 2
0
func (dec *Decoder) readBlob(blobHeader *OSMPBF.BlobHeader) (*OSMPBF.Blob, error) {
	dec.buf.Reset()
	if _, err := io.CopyN(dec.buf, dec.r, int64(blobHeader.GetDatasize())); err != nil {
		return nil, err
	}

	blob := new(OSMPBF.Blob)
	if err := proto.Unmarshal(dec.buf.Bytes(), blob); err != nil {
		return nil, err
	}
	return blob, nil
}
Exemplo n.º 3
0
func (dec *Decoder) readBlobHeader(size uint32) (*OSMPBF.BlobHeader, error) {
	buf := make([]byte, size)
	if _, err := io.ReadFull(dec.r, buf); err != nil {
		return nil, err
	}

	blobHeader := new(OSMPBF.BlobHeader)
	if err := proto.Unmarshal(buf, blobHeader); err != nil {
		return nil, err
	}

	if blobHeader.GetDatasize() >= maxBlobSize {
		return nil, errors.New("Blob size >= 32Mb")
	}
	return blobHeader, nil
}
Exemplo n.º 4
0
func (dec *Decoder) readBlobHeader(size uint32) (*OSMPBF.BlobHeader, error) {
	dec.buf.Reset()
	if _, err := io.CopyN(dec.buf, dec.r, int64(size)); err != nil {
		return nil, err
	}

	blobHeader := new(OSMPBF.BlobHeader)
	if err := proto.Unmarshal(dec.buf.Bytes(), blobHeader); err != nil {
		return nil, err
	}

	if blobHeader.GetDatasize() >= MaxBlobSize {
		return nil, errors.New("Blob size >= 32Mb")
	}
	return blobHeader, nil
}