Reference documentation and code samples for the Cloud Storage Client class ReadStream.
A Stream implementation that wraps a GuzzleHttp download stream to
provide getSize()
from the response headers.
Namespace
Google \ Cloud \ StorageMethods
__construct
Create a new ReadStream.
Parameter
Name
Description
stream
Psr\Http\Message\StreamInterface
The stream interface to wrap
getSize
Return the full size of the buffer. If the underlying stream does not report it's size, try to fetch the size from the Content-Length response header.
Returns
Type
Description
int
The size of the stream.
read
Read bytes from the underlying buffer, retrying until we have read enough bytes or we cannot read any more. We do this because the internal C code for filling a buffer does not account for when we try to read large chunks from a user-land stream that does not return enough bytes.
Parameter
Name
Description
length
int
The number of bytes to read.
Returns
Type
Description
string
Read bytes from the underlying stream.
