hdr interface{} // non-nil (Response or Request) value means read trailer
r *bufio.Reader // underlying wire-format reader for the trailer
closing bool // is the connection to be closed after reading body?
+ closed bool
+}
+
+// ErrBodyReadAferClose is returned when reading a Request Body after
+// the body has been closed. This typically happens when the body is
+// read after an HTTP Handler calls WriteHeader or Write on its
+// ResponseWriter.
+var ErrBodyReadAferClose = os.NewError("http: invalid Read on closed request Body")
+
+func (b *body) Read(p []byte) (n int, err os.Error) {
+ if b.closed {
+ return 0, ErrBodyReadAferClose
+ }
+ return b.Reader.Read(p)
}
func (b *body) Close() os.Error {
+ if b.closed {
+ return nil
+ }
+ defer func() {
+ b.closed = true
+ }()
if b.hdr == nil && b.closing {
// no trailer and closing the connection next.
// no point in reading to EOF.