blob: a713b798c55e72ed2dda38c3946f2cbf152244dc [file] [log] [blame]
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "webrtc/system_wrappers/include/trace.h"
namespace webrtc {
namespace test {
// Upon constructing an instance of this class, all traces will be redirected
// to stderr. At destruction, redirection is halted.
class TraceToStderr : public TraceCallback {
// Set |override_time| to true to control the time printed with each trace
// through SetTimeSeconds(). Otherwise, the trace's usual wallclock time is
// used.
// This is useful for offline test tools, where the file time is much more
// informative than the real time.
explicit TraceToStderr(bool override_time);
~TraceToStderr() override;
// Every subsequent trace printout will use |time|. Has no effect if
// |override_time| in the constructor was set to false.
// No attempt is made to ensure thread-safety between the trace writing and
// time updating. In tests, since traces will normally be triggered by the
// main thread doing the time updating, this should be of no concern.
virtual void SetTimeSeconds(float time);
// Implements TraceCallback.
void Print(TraceLevel level, const char* msg_array, int length) override;
bool override_time_;
float time_seconds_;
} // namespace test
} // namespace webrtc