diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal/data_streaming.rb')
| -rw-r--r-- | actionpack/lib/action_controller/metal/data_streaming.rb | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/data_streaming.rb b/actionpack/lib/action_controller/metal/data_streaming.rb index 6f520b1054..369741fb12 100644 --- a/actionpack/lib/action_controller/metal/data_streaming.rb +++ b/actionpack/lib/action_controller/metal/data_streaming.rb @@ -74,7 +74,27 @@ module ActionController #:nodoc: self.status = options[:status] || 200 self.content_type = options[:content_type] if options.key?(:content_type) - self.response_body = File.open(path, "rb") + self.response_body = FileBody.new(path) + end + + # Avoid having to pass an open file handle as the response body. + # Rack::Sendfile will usually intercepts the response and just uses + # the path directly, so no reason to open the file. + class FileBody #:nodoc: + attr_reader :to_path + + def initialize(path) + @to_path = path + end + + # Stream the file's contents if Rack::Sendfile isn't present. + def each + File.open(to_path, 'rb') do |file| + while chunk = file.read(16384) + yield chunk + end + end + end end # Sends the given binary data to the browser. This method is similar to |