mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-30 21:30:16 +00:00
3c0c5ed4e0
godep restore pushd $GOPATH/src/github.com/appc/spec git co master popd go get go4.org/errorutil rm -rf Godeps godep save ./... git add vendor git add -f $(git ls-files --other vendor/) git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// Taken from $GOROOT/src/pkg/net/http/chunked
|
|
// needed to write https responses to client.
|
|
package goproxy
|
|
|
|
import (
|
|
"io"
|
|
"strconv"
|
|
)
|
|
|
|
// newChunkedWriter returns a new chunkedWriter that translates writes into HTTP
|
|
// "chunked" format before writing them to w. Closing the returned chunkedWriter
|
|
// 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 {
|
|
return &chunkedWriter{w}
|
|
}
|
|
|
|
// Writing to chunkedWriter translates to writing in HTTP chunked Transfer
|
|
// Encoding wire format to the underlying Wire chunkedWriter.
|
|
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 error) {
|
|
|
|
// Don't send 0-length data. It looks like EOF for chunked encoding.
|
|
if len(data) == 0 {
|
|
return 0, nil
|
|
}
|
|
|
|
head := strconv.FormatInt(int64(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() error {
|
|
_, err := io.WriteString(cw.Wire, "0\r\n")
|
|
return err
|
|
}
|