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/*
* Copyright (c) 2020 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.
*/
#ifndef RTC_TOOLS_RTC_EVENT_LOG_VISUALIZER_ALERTS_H_
#define RTC_TOOLS_RTC_EVENT_LOG_VISUALIZER_ALERTS_H_
#include <stdio.h>
#include <functional>
#include <map>
#include <string>
#include <utility>
#include "absl/strings/string_view.h"
#include "logging/rtc_event_log/rtc_event_log_parser.h"
#include "rtc_tools/rtc_event_log_visualizer/analyzer_common.h"
namespace webrtc {
enum class TriageAlertType {
kUnknown = 0,
kIncomingRtpGap,
kOutgoingRtpGap,
kIncomingRtcpGap,
kOutgoingRtcpGap,
kIncomingSeqNumJump,
kOutgoingSeqNumJump,
kIncomingCaptureTimeJump,
kOutgoingCaptureTimeJump,
kOutgoingHighLoss,
kLast,
};
struct TriageAlert {
TriageAlertType type = TriageAlertType::kUnknown;
int count = 0;
float first_occurrence = -1;
std::string explanation;
};
class TriageHelper {
public:
explicit TriageHelper(const AnalyzerConfig& config) : config_(config) {}
TriageHelper(const TriageHelper&) = delete;
TriageHelper& operator=(const TriageHelper&) = delete;
void AnalyzeLog(const ParsedRtcEventLog& parsed_log);
void AnalyzeStreamGaps(const ParsedRtcEventLog& parsed_log,
PacketDirection direction);
void AnalyzeTransmissionGaps(const ParsedRtcEventLog& parsed_log,
PacketDirection direction);
void Print(FILE* file);
void ProcessAlerts(std::function<void(int, float, std::string)> f);
private:
AnalyzerConfig config_;
std::map<TriageAlertType, TriageAlert> triage_alerts_;
void Alert(TriageAlertType type,
float time_seconds,
absl::string_view explanation) {
std::map<TriageAlertType, TriageAlert>::iterator it =
triage_alerts_.find(type);
if (it == triage_alerts_.end()) {
TriageAlert alert;
alert.type = type;
alert.first_occurrence = time_seconds;
alert.count = 1;
alert.explanation = std::string(explanation);
triage_alerts_.insert(std::make_pair(type, alert));
} else {
it->second.count += 1;
}
}
};
} // namespace webrtc
#endif // RTC_TOOLS_RTC_EVENT_LOG_VISUALIZER_ALERTS_H_