forked from couchbase/sync_gateway
/
ioutil.go
55 lines (46 loc) · 1.36 KB
/
ioutil.go
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package rest
import (
"github.com/tophatch/sync_gateway/base"
"io"
"net/http"
)
// A TeeReader wrapper that can wrap an io.ReadCloser as opposed to just
// wrapping an io.Reader
type TeeReadCloser struct {
r io.Reader
w io.Writer
c io.Closer
}
func NewTeeReadCloser(r io.ReadCloser, w io.Writer) io.ReadCloser {
return &TeeReadCloser{
r: io.TeeReader(r, w),
w: w,
c: r,
}
}
func (t *TeeReadCloser) Read(b []byte) (int, error) {
return t.r.Read(b)
}
func (t *TeeReadCloser) Close() error {
return t.c.Close()
}
// A ResponseWriter that wraps another ResponseWriter, and dumps a copy of everything to
// the logging key
type LoggingTeeResponseWriter struct {
http.ResponseWriter
LogKey string // The log key to use, eg "HTTP+"
SerialNumber uint64 // The request ID
Request *http.Request // The request
}
func NewLoggerTeeResponseWriter(wrappedResponseWriter http.ResponseWriter, logKey string, serialNum uint64, req *http.Request) http.ResponseWriter {
return &LoggingTeeResponseWriter{
ResponseWriter: wrappedResponseWriter,
LogKey: logKey,
SerialNumber: serialNum,
Request: req,
}
}
func (l *LoggingTeeResponseWriter) Write(b []byte) (int, error) {
base.LogTo(l.LogKey, " #%03d: %s %s %s", l.SerialNumber, l.Request.Method, base.SanitizeRequestURL(l.Request.URL), string(b))
return l.ResponseWriter.Write(b)
}