diff options
Diffstat (limited to 'src/pkg/http/chunked.go')
-rw-r--r-- | src/pkg/http/chunked.go | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/pkg/http/chunked.go b/src/pkg/http/chunked.go deleted file mode 100644 index 6c23e691f..000000000 --- a/src/pkg/http/chunked.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package http - -import ( - "io" - "log" - "os" - "strconv" - "bufio" -) - -// NewChunkedWriter returns a new writer that translates writes into HTTP -// "chunked" format before writing them to w. Closing the returned writer -// sends the final 0-length chunk that marks the end of the stream. -// -// NewChunkedWriter is not needed by normal applications. The http -// package adds chunking automatically if handlers don't set a -// Content-Length header. Using NewChunkedWriter inside a handler -// would result in double chunking or chunking with a Content-Length -// length, both of which are wrong. -func NewChunkedWriter(w io.Writer) io.WriteCloser { - if _, bad := w.(*response); bad { - log.Printf("warning: using NewChunkedWriter in an http.Handler; expect corrupt output") - } - return &chunkedWriter{w} -} - -// Writing to ChunkedWriter translates to writing in HTTP chunked Transfer -// Encoding wire format to the underlying Wire writer. -type chunkedWriter struct { - Wire io.Writer -} - -// Write the contents of data as one chunk to Wire. -// NOTE: Note that the corresponding chunk-writing procedure in Conn.Write has -// a bug since it does not check for success of io.WriteString -func (cw *chunkedWriter) Write(data []byte) (n int, err os.Error) { - - // Don't send 0-length data. It looks like EOF for chunked encoding. - if len(data) == 0 { - return 0, nil - } - - head := strconv.Itob(len(data), 16) + "\r\n" - - if _, err = io.WriteString(cw.Wire, head); err != nil { - return 0, err - } - if n, err = cw.Wire.Write(data); err != nil { - return - } - if n != len(data) { - err = io.ErrShortWrite - return - } - _, err = io.WriteString(cw.Wire, "\r\n") - - return -} - -func (cw *chunkedWriter) Close() os.Error { - _, err := io.WriteString(cw.Wire, "0\r\n") - return err -} - -// NewChunkedReader returns a new reader that translates the data read from r -// out of HTTP "chunked" format before returning it. -// The reader returns os.EOF when the final 0-length chunk is read. -// -// NewChunkedReader is not needed by normal applications. The http package -// automatically decodes chunking when reading response bodies. -func NewChunkedReader(r *bufio.Reader) io.Reader { - return &chunkedReader{r: r} -} |