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