public void Stop()
{
if (gatewayRefreshTimer != null)
{
Utils.SafeExecute(gatewayRefreshTimer.Dispose, logger);
}
gatewayRefreshTimer = null;
if (ListProvider != null && ListProvider is IGatewayListObservable)
{
Utils.SafeExecute(
() => ((IGatewayListObservable)ListProvider).UnSubscribeFromGatewayNotificationEvents(this),
logger);
}
}
/// <summary>
/// Start this callback timer
/// </summary>
/// <param name="time">Timeout time</param>
public void StartTimer(TimeSpan time)
{
if (time < TimeSpan.Zero)
throw new ArgumentOutOfRangeException("time", "The timeout parameter is negative.");
timeout = time;
if (StatisticsCollector.CollectApplicationRequestsStats)
{
timeSinceIssued = TimeIntervalFactory.CreateTimeInterval(true);
timeSinceIssued.Start();
}
TimeSpan firstPeriod = timeout;
TimeSpan repeatPeriod = Constants.INFINITE_TIMESPAN; // Single timeout period --> No repeat
if (config.ResendOnTimeout && config.MaxResendCount > 0)
{
firstPeriod = repeatPeriod = timeout.Divide(config.MaxResendCount + 1);
}
// Start time running
DisposeTimer();
timer = new SafeTimer(TimeoutCallback, null, firstPeriod, repeatPeriod);
}
public GatewayManager(ClientConfiguration cfg, IGatewayListProvider gatewayListProvider)
{
config = cfg;
knownDead = new Dictionary<Uri, DateTime>();
rand = new SafeRandom();
logger = TraceLogger.GetLogger("Messaging.GatewayManager", TraceLogger.LoggerType.Runtime);
lockable = new object();
gatewayRefreshCallInitiated = false;
ListProvider = gatewayListProvider;
var knownGateways = ListProvider.GetGateways().GetResult();
if (knownGateways.Count == 0)
{
string gatewayProviderType = gatewayListProvider.GetType().FullName;
string err = String.Format("Could not find any gateway in {0}. Orleans client cannot initialize.", gatewayProviderType);
logger.Error(ErrorCode.GatewayManager_NoGateways, err);
throw new OrleansException(err);
}
logger.Info(ErrorCode.GatewayManager_FoundKnownGateways, "Found {0} knownGateways from Gateway listProvider {1}", knownGateways.Count, Utils.EnumerableToString(knownGateways));
if (ListProvider is IGatewayListObservable)
{
((IGatewayListObservable)ListProvider).SubscribeToGatewayNotificationEvents(this);
}
roundRobinCounter = cfg.PreferedGatewayIndex >= 0 ? cfg.PreferedGatewayIndex : rand.Next(knownGateways.Count);
cachedLiveGateways = knownGateways;
lastRefreshTime = DateTime.UtcNow;
if (ListProvider.IsUpdatable)
{
gatewayRefreshTimer = new SafeTimer(RefreshSnapshotLiveGateways_TimerCallback, null, config.GatewayListRefreshPeriod, config.GatewayListRefreshPeriod);
}
}
private void DisposeTimer()
{
try
{
if (timer != null)
{
var tmp = timer;
timer = null;
tmp.Dispose();
}
}
catch (Exception) { } // Ignore any problems with Dispose
}
public void Stop()
{
if (cpuUsageTimer != null)
cpuUsageTimer.Dispose();
cpuUsageTimer = null;
}
internal void Start()
{
if (!countersAvailable)
{
logger.Warn(ErrorCode.PerfCounterNotRegistered,
"CPU & Memory perf counters did not initialize correctly - try repairing Windows perf counter config on this machine with 'lodctr /r' command");
}
if (cpuCounterPF != null) {
cpuUsageTimer = new SafeTimer(CheckCpuUsage, null, CPU_CHECK_PERIOD, CPU_CHECK_PERIOD);
}
try
{
if (cpuCounterPF != null)
{
// Read initial value of CPU Usage counter
CpuUsage = cpuCounterPF.NextValue();
}
}
catch (InvalidOperationException)
{
// Can sometimes get exception accessing CPU Usage counter for first time in some runtime environments
CpuUsage = 0;
}
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_CPUUSAGE, () => CpuUsage);
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_TOTALMEMORYKB, () => (long)((MemoryUsage + KB-1.0) / KB)); // Round up
#if LOG_MEMORY_PERF_COUNTERS // print GC stats in the silo log file.
StringValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_GENCOLLECTIONCOUNT, () => GCGenCollectionCount);
StringValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_GENSIZESKB, () => GCGenSizes);
if (timeInGCPF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_PERCENTOFTIMEINGC, () => timeInGCPF.NextValue());
}
if (allocatedBytesPerSecPF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_ALLOCATEDBYTESINKBPERSEC, () => allocatedBytesPerSecPF.NextValue() / KB);
}
if (promotedMemoryFromGen1PF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_PROMOTEDMEMORYFROMGEN1KB, () => promotedMemoryFromGen1PF.NextValue() / KB);
}
if (largeObjectHeapSizePF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_LARGEOBJECTHEAPSIZEKB, () => largeObjectHeapSizePF.NextValue() / KB);
}
if (promotedFinalizationMemoryFromGen0PF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_PROMOTEDMEMORYFROMGEN0KB, () => promotedFinalizationMemoryFromGen0PF.NextValue() / KB);
}
if (numberOfInducedGCsPF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_NUMBEROFINDUCEDGCS, () => numberOfInducedGCsPF.NextValue());
}
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_MEMORY_TOTALPHYSICALMEMORYMB, () => (long)((TotalPhysicalMemory / KB) / KB));
if (availableMemoryCounterPF != null)
{
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_MEMORY_AVAILABLEMEMORYMB, () => (long)((AvailableMemory/ KB) / KB)); // Round up
}
#endif
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_DOT_NET_THREADPOOL_INUSE_WORKERTHREADS, () =>
{
int maXworkerThreads;
int maXcompletionPortThreads;
ThreadPool.GetMaxThreads(out maXworkerThreads, out maXcompletionPortThreads);
int workerThreads;
int completionPortThreads;
// GetAvailableThreads Retrieves the difference between the maximum number of thread pool threads
// and the number currently active.
// So max-Available is the actual number in use. If it goes beyond min, it means we are stressing the thread pool.
ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
return maXworkerThreads - workerThreads;
});
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_DOT_NET_THREADPOOL_INUSE_COMPLETIONPORTTHREADS, () =>
{
int maXworkerThreads;
int maXcompletionPortThreads;
ThreadPool.GetMaxThreads(out maXworkerThreads, out maXcompletionPortThreads);
int workerThreads;
int completionPortThreads;
ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
return maXcompletionPortThreads - completionPortThreads;
});
}
internal void Start()
{
if (!countersAvailable)
{
logger.Warn(ErrorCode.PerfCounterNotRegistered,
"CPU & Memory perf counters did not initialize correctly - try repairing Windows perf counter config on this machine with 'lodctr /r' command");
}
if (cpuCounterPF != null)
{
cpuUsageTimer = new SafeTimer(CheckCpuUsage, null, CPU_CHECK_PERIOD, CPU_CHECK_PERIOD);
}
try
{
if (cpuCounterPF != null)
{
// Read initial value of CPU Usage counter
CpuUsage = cpuCounterPF.NextValue();
}
}
catch (InvalidOperationException)
{
// Can sometimes get exception accessing CPU Usage counter for first time in some runtime environments
CpuUsage = 0;
}
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_CPUUSAGE, () => CpuUsage);
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_TOTALMEMORYKB, () => (long)((MemoryUsage + KB - 1.0) / KB)); // Round up
#if LOG_MEMORY_PERF_COUNTERS // print GC stats in the silo log file.
StringValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_GENCOLLECTIONCOUNT, () => GCGenCollectionCount);
StringValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_GENSIZESKB, () => GCGenSizes);
if (timeInGCPF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_PERCENTOFTIMEINGC, () => timeInGCPF.NextValue());
}
if (allocatedBytesPerSecPF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_ALLOCATEDBYTESINKBPERSEC, () => allocatedBytesPerSecPF.NextValue() / KB);
}
if (promotedMemoryFromGen1PF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_PROMOTEDMEMORYFROMGEN1KB, () => promotedMemoryFromGen1PF.NextValue() / KB);
}
if (largeObjectHeapSizePF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_LARGEOBJECTHEAPSIZEKB, () => largeObjectHeapSizePF.NextValue() / KB);
}
if (promotedFinalizationMemoryFromGen0PF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_PROMOTEDMEMORYFROMGEN0KB, () => promotedFinalizationMemoryFromGen0PF.NextValue() / KB);
}
if (numberOfInducedGCsPF != null)
{
FloatValueStatistic.FindOrCreate(StatisticNames.RUNTIME_GC_NUMBEROFINDUCEDGCS, () => numberOfInducedGCsPF.NextValue());
}
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_MEMORY_TOTALPHYSICALMEMORYMB, () => (long)((TotalPhysicalMemory / KB) / KB));
if (availableMemoryCounterPF != null)
{
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_MEMORY_AVAILABLEMEMORYMB, () => (long)((AvailableMemory / KB) / KB)); // Round up
}
#endif
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_DOT_NET_THREADPOOL_INUSE_WORKERTHREADS, () =>
{
int maXworkerThreads;
int maXcompletionPortThreads;
ThreadPool.GetMaxThreads(out maXworkerThreads, out maXcompletionPortThreads);
int workerThreads;
int completionPortThreads;
// GetAvailableThreads Retrieves the difference between the maximum number of thread pool threads
// and the number currently active.
// So max-Available is the actual number in use. If it goes beyond min, it means we are stressing the thread pool.
ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
return(maXworkerThreads - workerThreads);
});
IntValueStatistic.FindOrCreate(StatisticNames.RUNTIME_DOT_NET_THREADPOOL_INUSE_COMPLETIONPORTTHREADS, () =>
{
int maXworkerThreads;
int maXcompletionPortThreads;
ThreadPool.GetMaxThreads(out maXworkerThreads, out maXcompletionPortThreads);
int workerThreads;
int completionPortThreads;
ThreadPool.GetAvailableThreads(out workerThreads, out completionPortThreads);
return(maXcompletionPortThreads - completionPortThreads);
});
}
