class CollectionsController < ApplicationController
+ include ActionController::Live
+
skip_around_filter(:require_thread_api_token,
only: [:show_file, :show_file_links])
skip_before_filter(:find_object_by_uuid,
end
opts = params.merge(arvados_api_token: usable_token)
+
+ # Handle Range requests. Currently we support only 'bytes=0-....'
if request.headers.include? 'HTTP_RANGE'
- # Currently only 'bytes=0-....' is supported.
if m = /^bytes=0-(\d+)/.match(request.headers['HTTP_RANGE'])
opts[:maxbytes] = m[1]
+ size = params[:size] || '*'
+ self.response.status = 206
+ self.response.headers['Content-Range'] = "bytes 0-#{m[1]}/#{size}"
end
end
+
ext = File.extname(params[:file])
self.response.headers['Content-Type'] =
Rack::Mime::MIME_TYPES[ext] || 'application/octet-stream'
self.response.headers['Content-Length'] = size.to_s
end
self.response.headers['Content-Disposition'] = params[:disposition] if params[:disposition]
- self.response_body = file_enumerator opts
+ begin
+ file_enumerator(opts).each do |bytes|
+ response.stream.write bytes
+ end
+ ensure
+ response.stream.close
+ end
end
def sharing_scopes
env['ARVADOS_API_HOST_INSECURE'] = "true" if Rails.configuration.arvados_insecure_https
bytesleft = @opts[:maxbytes].andand.to_i || 2**16
- Rails.logger.warn "@opts[:maxbytes] = #{@opts[:maxbytes]}, bytesleft = #{bytesleft}"
IO.popen([env, 'arv-get', "#{@opts[:uuid]}/#{@opts[:file]}"],
'rb') do |io|
- bytecount = 0
- while bytesleft > 0 && buf = io.read(bytesleft)
+ while bytesleft > 0 && (buf = io.read(bytesleft)) != nil
# shrink the bytesleft count, if we were given a
# maximum byte count to read
if @opts.include? :maxbytes
bytesleft = bytesleft - buf.length
- Rails.logger.warn "bytesleft now #{bytesleft}"
end
yield buf
end