* lib/webrick/httpresponse.rb (WEBrick::HTTPResponse#send_body_io):

  use readpartial to get data even if the response is streaming data and
  each data is smaller than @buffer_size.
  patched by yu nobuoka. [ruby-dev:45471] [Bug #6230]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 7 deletions

diff --git a/lib/webrick/httpresponse.rb b/lib/webrick/httpresponse.rb
index baa49dea92..5adbc82173 100644
--- a/lib/webrick/httpresponse.rb
+++ b/lib/webrick/httpresponse.rb
@@ -330,13 +330,18 @@ module WEBrick
         if @request_method == "HEAD"
           # do nothing
         elsif chunked?
-          while buf = @body.read(@buffer_size)
-            next if buf.empty?
-            data = ""
-            data << format("%x", buf.bytesize) << CRLF
-            data << buf << CRLF
-            _write_data(socket, data)
-            @sent_size += buf.bytesize
+          begin
+            buf  = ''
+            data = ''
+            while true
+              @body.readpartial( @buffer_size, buf ) # there is no need to clear buf?
+              data << format("%x", buf.bytesize) << CRLF
+              data << buf << CRLF
+              _write_data(socket, data)
+              data.clear
+              @sent_size += buf.bytesize
+            end
+          rescue EOFError # do nothing
           end
           _write_data(socket, "0#{CRLF}#{CRLF}")
         else