mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-18 08:07:56 +01:00
13171bdba8
These are useful for plotting creating data files that can be used to visualize and debug congestion controller behavior. Bug: webrtc:9467 Change-Id: I75b03a309b4b7d562fefe82a828ae1e6a9f069c8 Reviewed-on: https://webrtc-review.googlesource.com/86126 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23822}
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/*
|
|
* Copyright 2018 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 "modules/congestion_controller/test/controller_printer.h"
|
|
|
|
#include <cmath>
|
|
#include <limits>
|
|
#include <utility>
|
|
|
|
#include "rtc_base/checks.h"
|
|
|
|
namespace webrtc {
|
|
|
|
ControlStatePrinter::ControlStatePrinter(
|
|
FILE* output,
|
|
std::unique_ptr<DebugStatePrinter> debug_printer)
|
|
: output_(output), debug_printer_(std::move(debug_printer)) {}
|
|
|
|
ControlStatePrinter::~ControlStatePrinter() = default;
|
|
|
|
void ControlStatePrinter::PrintHeaders() {
|
|
fprintf(output_, "time bandwidth rtt target pacing padding window");
|
|
if (debug_printer_) {
|
|
fprintf(output_, " ");
|
|
debug_printer_->PrintHeaders(output_);
|
|
}
|
|
fprintf(output_, "\n");
|
|
fflush(output_);
|
|
}
|
|
|
|
void ControlStatePrinter::PrintState(const Timestamp time,
|
|
const NetworkControlUpdate state) {
|
|
double timestamp = time.seconds<double>();
|
|
auto estimate = state.target_rate->network_estimate;
|
|
double bandwidth = estimate.bandwidth.bps() / 8.0;
|
|
double rtt = estimate.round_trip_time.seconds<double>();
|
|
double target_rate = state.target_rate->target_rate.bps() / 8.0;
|
|
double pacing_rate = state.pacer_config->data_rate().bps() / 8.0;
|
|
double padding_rate = state.pacer_config->pad_rate().bps() / 8.0;
|
|
double congestion_window = state.congestion_window
|
|
? state.congestion_window->bytes<double>()
|
|
: std::numeric_limits<double>::infinity();
|
|
|
|
fprintf(output_, "%f %f %f %f %f %f %f", timestamp, bandwidth, rtt,
|
|
target_rate, pacing_rate, padding_rate, congestion_window);
|
|
|
|
if (debug_printer_) {
|
|
fprintf(output_, " ");
|
|
debug_printer_->PrintValues(output_);
|
|
}
|
|
fprintf(output_, "\n");
|
|
fflush(output_);
|
|
}
|
|
|
|
void ControlStatePrinter::PrintState(const Timestamp time) {
|
|
if (debug_printer_ && debug_printer_->Attached()) {
|
|
PrintState(time, debug_printer_->GetState(time));
|
|
}
|
|
}
|
|
} // namespace webrtc
|