public TransactionAgent(IClock clock, ILogger <TransactionAgent> logger, TransactionAgentStatistics statistics, ITransactionOverloadDetector overloadDetector)
{
this.clock = new CausalClock(clock);
this.logger = logger;
this.statistics = statistics;
this.overloadDetector = overloadDetector;
}
public TransactionOverloadDetector(ITransactionAgentStatistics statistics, IOptions <TransactionRateLoadSheddingOptions> options)
{
this.statistics = statistics;
this.options = options.Value;
this.monitor = new PeriodicAction(MetricsCheck, this.RecordStatistics);
this.lastStatistics = TransactionAgentStatistics.Copy(statistics);
this.lastCheckTime = DateTime.UtcNow;
}
public TransactionAgentStatisticsReporter(ITransactionAgentStatistics statistics, ITelemetryProducer telemetryProducer, IOptions <StatisticsOptions> options)
{
this.statistics = statistics ?? throw new ArgumentNullException(nameof(statistics));
this.telemetryProducer = telemetryProducer ?? throw new ArgumentNullException(nameof(statistics));
this.statisticsOptions = options.Value;
this.lastReported = TransactionAgentStatistics.Copy(statistics);
this.lastReportTime = DateTime.UtcNow;
}
private void RecordStatistics()
{
ITransactionAgentStatistics current = TransactionAgentStatistics.Copy(this.statistics);
DateTime now = DateTime.UtcNow;
this.transactionStartedPerSecond = CalculateTps(this.lastStatistics.TransactionsStarted, this.lastCheckTime, current.TransactionsStarted, now);
this.lastStatistics = current;
this.lastCheckTime = now;
}
private void ReportMetrics(object ignore)
{
ITransactionAgentStatistics currentReported = TransactionAgentStatistics.Copy(statistics);
var now = DateTime.UtcNow;
TimeSpan reportPeriod = now - this.lastReportTime;
this.telemetryProducer.TrackMetric(TransactionsStartedTotalMetric, currentReported.TransactionsStarted);
this.telemetryProducer.TrackMetric(TransactionsStartedPerSecondMetric, PerSecond(this.lastReported.TransactionsStarted, currentReported.TransactionsStarted, reportPeriod));
this.telemetryProducer.TrackMetric(SuccessfulTransactionsTotalMetric, currentReported.TransactionsSucceeded);
this.telemetryProducer.TrackMetric(SuccessfulTransactionsPerSecondMetric, PerSecond(this.lastReported.TransactionsSucceeded, currentReported.TransactionsSucceeded, reportPeriod));
this.telemetryProducer.TrackMetric(FailedTransactionsTotalMetric, currentReported.TransactionsFailed);
this.telemetryProducer.TrackMetric(FailedTransactionsPerSecondMetric, PerSecond(this.lastReported.TransactionsFailed, currentReported.TransactionsFailed, reportPeriod));
this.telemetryProducer.TrackMetric(ThrottledTransactionsTotalMetric, currentReported.TransactionsThrottled);
this.telemetryProducer.TrackMetric(ThrottledTransactionsPerSecondMetric, PerSecond(this.lastReported.TransactionsThrottled, currentReported.TransactionsThrottled, reportPeriod));
this.lastReportTime = now;
this.lastReported = currentReported;
}