mirror of
https://github.com/octoleo/restic.git
synced 2024-12-29 13:22:43 +00:00
101 lines
2.2 KiB
Go
101 lines
2.2 KiB
Go
// +build debug
|
|
|
|
package debug
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/http/httputil"
|
|
"os"
|
|
|
|
"github.com/restic/restic/internal/errors"
|
|
)
|
|
|
|
type eofDetectRoundTripper struct {
|
|
http.RoundTripper
|
|
}
|
|
|
|
type eofDetectReader struct {
|
|
eofSeen bool
|
|
rd io.ReadCloser
|
|
}
|
|
|
|
func (rd *eofDetectReader) Read(p []byte) (n int, err error) {
|
|
n, err = rd.rd.Read(p)
|
|
if err == io.EOF {
|
|
rd.eofSeen = true
|
|
}
|
|
return n, err
|
|
}
|
|
|
|
func (rd *eofDetectReader) Close() error {
|
|
if !rd.eofSeen {
|
|
buf, err := ioutil.ReadAll(rd)
|
|
msg := fmt.Sprintf("body not drained, %d bytes not read", len(buf))
|
|
if err != nil {
|
|
msg += fmt.Sprintf(", error: %v", err)
|
|
}
|
|
|
|
if len(buf) > 0 {
|
|
if len(buf) > 20 {
|
|
buf = append(buf[:20], []byte("...")...)
|
|
}
|
|
msg += fmt.Sprintf(", body: %q", buf)
|
|
}
|
|
|
|
fmt.Fprintln(os.Stderr, msg)
|
|
Log("%s: %+v", msg, errors.New("Close()"))
|
|
}
|
|
return rd.rd.Close()
|
|
}
|
|
|
|
func (tr eofDetectRoundTripper) RoundTrip(req *http.Request) (res *http.Response, err error) {
|
|
res, err = tr.RoundTripper.RoundTrip(req)
|
|
if res != nil && res.Body != nil {
|
|
res.Body = &eofDetectReader{rd: res.Body}
|
|
}
|
|
return res, err
|
|
}
|
|
|
|
type loggingRoundTripper struct {
|
|
http.RoundTripper
|
|
}
|
|
|
|
// RoundTripper returns a new http.RoundTripper which logs all requests (if
|
|
// debug is enabled). When debug is not enabled, upstream is returned.
|
|
func RoundTripper(upstream http.RoundTripper) http.RoundTripper {
|
|
eofRoundTripper := eofDetectRoundTripper{upstream}
|
|
if opts.isEnabled {
|
|
// only use loggingRoundTripper if the debug log is configured
|
|
return loggingRoundTripper{eofRoundTripper}
|
|
}
|
|
return eofRoundTripper
|
|
}
|
|
|
|
func (tr loggingRoundTripper) RoundTrip(req *http.Request) (res *http.Response, err error) {
|
|
trace, err := httputil.DumpRequestOut(req, false)
|
|
if err != nil {
|
|
Log("DumpRequestOut() error: %v\n", err)
|
|
} else {
|
|
Log("------------ HTTP REQUEST -----------\n%s", trace)
|
|
}
|
|
|
|
res, err = tr.RoundTripper.RoundTrip(req)
|
|
if err != nil {
|
|
Log("RoundTrip() returned error: %v", err)
|
|
}
|
|
|
|
if res != nil {
|
|
trace, err := httputil.DumpResponse(res, false)
|
|
if err != nil {
|
|
Log("DumpResponse() error: %v\n", err)
|
|
} else {
|
|
Log("------------ HTTP RESPONSE ----------\n%s", trace)
|
|
}
|
|
}
|
|
|
|
return res, err
|
|
}
|