public static void PublishNativeProxyStatistics(HttpContextBase httpContext)
{
RequestLogger logger = RequestLogger.GetLogger(httpContext);
string value = httpContext.Response.Headers[NativeProxyLogHelper.NativeProxyStatusHeaders.BackEndHttpStatus];
if (!string.IsNullOrEmpty(value))
{
logger.LogField(LogKey.BackendStatus, value);
}
string text = httpContext.Response.Headers[NativeProxyLogHelper.NativeProxyStatusHeaders.ProxyErrorHResult];
string arg = httpContext.Response.Headers[NativeProxyLogHelper.NativeProxyStatusHeaders.ProxyErrorLabel];
string arg2 = httpContext.Response.Headers[NativeProxyLogHelper.NativeProxyStatusHeaders.ProxyErrorMessage];
if (!string.IsNullOrEmpty(text))
{
logger.LogField(LogKey.ErrorCode, text);
string value2 = string.Format("[{0}] [{1}] {2}", text, arg, arg2);
logger.AppendErrorInfo("ProxyError", value2);
}
HttpWorkerRequest httpWorkerRequest = (HttpWorkerRequest)((IServiceProvider)httpContext).GetService(typeof(HttpWorkerRequest));
bool hasWinHttpQuery = NativeProxyLogHelper.PublishTimestamps(httpWorkerRequest, logger);
NativeProxyLogHelper.PublishLatencies(httpWorkerRequest, logger, hasWinHttpQuery);
NativeProxyLogHelper.PublishCounters(httpWorkerRequest, logger);
NativeProxyLogHelper.PublishStreamStats(httpWorkerRequest, logger);
NativeProxyLogHelper.PublishGenericStats(httpWorkerRequest, logger, NativeProxyLogHelper.NativeProxyStatisticsVariables.RequestBufferSizeFootprints);
NativeProxyLogHelper.PublishGenericStats(httpWorkerRequest, logger, NativeProxyLogHelper.NativeProxyStatisticsVariables.ResponseBufferSizeFootprints);
if (NativeProxyLogHelper.LogBufferCopyStats.Value)
{
NativeProxyLogHelper.PublishGenericStats(httpWorkerRequest, logger, NativeProxyLogHelper.NativeProxyStatisticsVariables.BufferCopyStatsClientUpload);
NativeProxyLogHelper.PublishGenericStats(httpWorkerRequest, logger, NativeProxyLogHelper.NativeProxyStatisticsVariables.BufferCopyStatsServerQuery);
NativeProxyLogHelper.PublishGenericStats(httpWorkerRequest, logger, NativeProxyLogHelper.NativeProxyStatisticsVariables.BufferCopyStatsServerDownload);
}
}
private static void PublishCounters(HttpWorkerRequest httpWorkerRequest, RequestLogger logger)
{
string serverVariable = httpWorkerRequest.GetServerVariable(NativeProxyLogHelper.NativeProxyStatisticsVariables.Counters);
if (!string.IsNullOrEmpty(serverVariable))
{
logger.AppendGenericInfo(NativeProxyLogHelper.NativeProxyStatisticsVariables.Counters, serverVariable);
}
}
private static void PublishGenericStats(HttpWorkerRequest httpWorkerRequest, RequestLogger logger, string statsDataName)
{
string serverVariable = httpWorkerRequest.GetServerVariable(statsDataName);
if (!string.IsNullOrEmpty(serverVariable))
{
logger.AppendGenericInfo(statsDataName, serverVariable);
}
}
private static void PublishStreamStats(HttpWorkerRequest httpWorkerRequest, RequestLogger logger)
{
string serverVariable = httpWorkerRequest.GetServerVariable(NativeProxyLogHelper.NativeProxyStatisticsVariables.StreamStats);
if (!string.IsNullOrEmpty(serverVariable))
{
logger.AppendGenericInfo(NativeProxyLogHelper.NativeProxyStatisticsVariables.StreamStats, serverVariable);
long[] array = NativeProxyLogHelper.ConvertStatisticsDataArray(serverVariable);
logger.LogField(LogKey.RequestBytes, array[0]);
logger.LogField(LogKey.ResponseBytes, array[2]);
}
}
internal void InitializeDiagnostics(HttpContextBase context)
{
context.InitializeLogging();
this.Logger = RequestLogger.GetLogger(context);
this.Logger.LatencyTracker.LogElapsedTimeInDetailedLatencyInfo("Diagnosticmodule_InitializeDiagnostics_Start");
this.activityScope = (context.Items[typeof(ActivityScope)] as IActivityScope);
if (this.activityScope == null)
{
this.activityScope = ActivityContext.GetCurrentActivityScope();
if (this.activityScope == null)
{
this.activityScope = ActivityContext.Start(null);
}
context.Items[typeof(ActivityScope)] = this.activityScope;
}
this.AddDiagnosticHeaders(context.Request);
this.Logger.LatencyTracker.LogElapsedTimeInDetailedLatencyInfo("Diagnosticmodule_InitializeDiagnostics_End");
}
private static void PublishLatencies(HttpWorkerRequest httpWorkerRequest, RequestLogger logger, bool hasWinHttpQuery)
{
string serverVariable = httpWorkerRequest.GetServerVariable(NativeProxyLogHelper.NativeProxyStatisticsVariables.Latencies);
if (!string.IsNullOrEmpty(serverVariable))
{
logger.AppendGenericInfo(NativeProxyLogHelper.NativeProxyStatisticsVariables.Latencies, serverVariable);
long[] array = NativeProxyLogHelper.ConvertStatisticsDataArray(serverVariable);
logger.LogField(LogKey.ClientReqStreamLatency, array[0]);
logger.LogField(LogKey.ClientRespStreamLatency, array[1]);
logger.LogField(LogKey.BackendReqStreamLatency, array[2]);
if (hasWinHttpQuery)
{
logger.LogField(LogKey.BackendRespStreamLatency, array[3]);
return;
}
logger.LogField(LogKey.BackendRespStreamLatency, array[4]);
}
}
private static bool PublishTimestamps(HttpWorkerRequest httpWorkerRequest, RequestLogger logger)
{
bool result = false;
string serverVariable = httpWorkerRequest.GetServerVariable(NativeProxyLogHelper.NativeProxyStatisticsVariables.Timestamps);
if (!string.IsNullOrEmpty(serverVariable))
{
logger.AppendGenericInfo(NativeProxyLogHelper.NativeProxyStatisticsVariables.Timestamps, serverVariable);
long[] array = NativeProxyLogHelper.ConvertStatisticsDataArray(serverVariable);
logger.LogField(LogKey.ModuleToHandlerSwitchingLatency, array[1] - array[0]);
long num = array[14] - array[3];
logger.LogField(LogKey.BackendProcessingLatency, num);
long num2 = num;
if (array[22] >= 0L)
{
num2 = array[22] - array[3];
}
logger.LogField(LogKey.ProxyTime, num2);
result = (array[15] >= 0L);
}
return(result);
}