def set_read_callback(body)
@request_body_read = 0
readfunction do |stream, size, num, object|
size = size * num
body_size = if body.respond_to?(:bytesize)
body.bytesize
elsif body.respond_to?(:size)
body.size
elsif body.is_a?(File)
File.size(body.path)
end
left = body_size - @request_body_read
size = left if size > left
if size > 0
chunk = if body.respond_to?(:byteslice)
body.byteslice(@request_body_read, size)
elsif body.respond_to?(:read)
body.read(size)
else
body[@request_body_read, size]
end
stream.write_string(
chunk, size
)
@request_body_read += size
end
size
end
end