onem2m-mgr.go

	if err != nil || req == nil {
		return nil, err
	}
	if vars != nil {
		req = mux.SetURLVars(req, vars)
	}
	if query != nil {
		q := req.URL.Query()
		for k, v := range query {
			q.Add(k, v)
		}
		req.URL.RawQuery = q.Encode()
	}
	req.Header = headers
	req.Close = true

	//log.Debug("sendRequest: req: ", req)
	rr, err := http.DefaultClient.Do(req)
	if err != nil {
		return nil, err
	}

	// Check the status code is what we expect.
	//log.Debug("sendRequest: rr: ", rr)
	if status := rr.StatusCode; status != code {
		s := fmt.Sprintf("Wrong status code - got %v want %v", status, code)
		return nil, errors.New(s)
	}
	responseData, err := ioutil.ReadAll(rr.Body)
	if err != nil {
		return nil, err
	}
	//log.Debug("sendRequest: responseData: ", responseData)

	return responseData, nil
}