async void DelayedNetworkConnectedUpdate(bool available, bool delayed = true)
{
// delay output, but output immediately if internet becomes available...
if (!Atomic.Lock(ref DelayedNetworkUpdateLimiter))
{
return;
}
await Task.Delay(0).ConfigureAwait(false); // asyncify
try
{
if (available)
{
CheckInet();
if (InternetAvailable)
{
needUpdate = true;
return;
}
}
if (netAntiFlicker && delayed)
{
const int delay = 15;
int sleep = Convert.ToInt32(DateTime.Now.TimeTo(lastnetworkchange.AddSeconds(delay)).TotalSeconds * 1000) + 250;
await Task.Delay(sleep.Constrain(1000, 16000));
if (DateTime.Now.TimeSince(lastnetworkchange).TotalSeconds < delay)
{
if (Taskmaster.DebugNet)
{
Log.Verbose("<Net> Delaying network status testing again: {Delay}<{Wait} is too soon",
string.Format("{0:N0}s", DateTime.Now.TimeSince(lastnetworkchange).TotalSeconds), delay);
}
DelayedNetworkConnectedUpdate(NetworkAvailable);
return;
}
else
{
netAntiFlicker = false;
}
}
Log.Information("<Network> Status changed: " + (available ? "Connected" : "Disconnected"));
netAntiFlicker = true;
if (NetworkAvailable)
{
needUpdate = true;
}
}
catch { throw; } // for finally block
finally
{
Atomic.Unlock(ref DelayedNetworkUpdateLimiter);
}
}
//async void TimerCheck(object state)
async void TimerCheck(object sender, EventArgs ev)
{
// skip if already running...
// happens sometimes when the timer keeps running but not the code here
if (!Atomic.Lock(ref HealthCheck_lock))
{
return;
}
try
{
try
{
await CheckErrors().ConfigureAwait(false);
await CheckLogs().ConfigureAwait(false);
await CheckMemory().ConfigureAwait(false);
await CheckNVM().ConfigureAwait(false);
}
catch (Exception ex) { Logging.Stacktrace(ex); }
}
catch { throw; }
finally
{
Atomic.Unlock(ref HealthCheck_lock);
}
}
void RestoreMainWindow(object sender, EventArgs e)
{
if (!Atomic.Lock(ref restoremainwindow_lock))
{
return; // already being done
}
try
{
Taskmaster.ShowMainWindow();
if (Taskmaster.Trace)
{
Log.Verbose("RestoreMainWindow done!");
}
}
catch (Exception ex)
{
Logging.Stacktrace(ex);
throw;
}
finally
{
Atomic.Unlock(ref restoremainwindow_lock);
}
}
public void Tick(object state)
{
if (!Atomic.Lock(ref CallbackLimiter))
{
return;
}
try
{
var time = System.Diagnostics.Stopwatch.StartNew();
long oldmem = GC.GetTotalMemory(false);
System.Runtime.GCSettings.LargeObjectHeapCompactionMode = System.Runtime.GCLargeObjectHeapCompactionMode.CompactOnce;
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
GC.WaitForPendingFinalizers();
long newmem = GC.GetTotalMemory(true);
Log.Debug("<Self-Maintenance> Done, saved {kBytes} kB.", (oldmem - newmem) / 1000);
if (Taskmaster.Trace)
{
Log.Verbose("Running periodic cleanup");
}
// TODO: This starts getting weird if cleanup interval is smaller than total delay of testing all items.
// (15*60) / 2 = item limit, and -1 or -2 for safety margin. Unlikely, but should probably be covered anyway.
if (Taskmaster.Components.processmanager != null)
{
Taskmaster.processmanager.Cleanup();
}
Taskmaster.Config.Flush();
time.Stop();
Statistics.MaintenanceCount++;
Statistics.MaintenanceTime += time.Elapsed.TotalSeconds;
if (Taskmaster.Trace)
{
Log.Verbose("Maintenance took: {Time}s", string.Format("{0:N2}", time.Elapsed.TotalSeconds));
}
}
catch (Exception ex)
{
Logging.Stacktrace(ex);
timer.Dispose();
throw;
}
finally
{
Atomic.Unlock(ref CallbackLimiter);
}
}
void RecordDeviceState(bool online_state, bool address_changed)
{
if (!Atomic.Lock(ref DeviceStateRecordLimiter))
{
return;
}
try
{
if (online_state != lastOnlineState)
{
lastOnlineState = online_state;
if (online_state)
{
lastUptimeStart = DateTime.Now;
Task.Delay(new TimeSpan(0, 5, 0)).ContinueWith(x => ReportCurrentUpstate());
}
else // went offline
{
lock (uptime_lock)
{
var newUptime = (DateTime.Now - lastUptimeStart).TotalMinutes;
upTime.Add(newUptime);
uptimeTotal += newUptime;
uptimeSamples += 1;
if (uptimeSamples > 20)
{
uptimeTotal -= upTime[0];
uptimeSamples -= 1;
upTime.RemoveAt(0);
}
}
ReportUptime();
}
return;
}
else if (address_changed)
{
// same state but address change was detected
Console.WriteLine("<Network> DEBUG: Address changed but internet connectivity unaffected.");
}
}
catch (Exception ex)
{
Logging.Stacktrace(ex);
throw;
}
finally
{
Atomic.Unlock(ref DeviceStateRecordLimiter);
}
}
public async Task ScanTemp()
{
if (!Atomic.Lock(ref scantemp_lock))
{
return;
}
try
{
await Task.Delay(0);
var dst = new DirectoryStats {
Files = 0, Dirs = 0, Size = 0
};
ReScanBurden = 0;
Log.Information("Temp folders scanning initiated...");
onTempScan?.Invoke(null, new DiskEventArgs {
State = ScanState.Start, Stats = dst
});
DirectorySize(new System.IO.DirectoryInfo(systemTemp), ref dst);
if (systemTemp != userTemp)
{
onTempScan?.Invoke(null, new DiskEventArgs {
State = ScanState.Segment, Stats = dst
});
DirectorySize(new System.IO.DirectoryInfo(userTemp), ref dst);
}
onTempScan?.Invoke(null, new DiskEventArgs {
State = ScanState.End, Stats = dst
});
Log.Information("Temp contents: {Files} files, {Dirs} dirs, {Size} MBs", dst.Files, dst.Dirs, string.Format("{0:N2}", dst.Size / 1000f / 1000f));
}
catch { throw; } // for finally block
finally
{
Atomic.Unlock(ref scantemp_lock);
}
}
protected override void WndProc(ref Message m)
{
if (m.Msg == NativeMethods.WM_HOTKEY)
{
//Keys key = (Keys)(((int)m.LParam >> 16) & 0xFFFF);
//NativeMethods.KeyModifier modifier = (NativeMethods.KeyModifier)((int)m.LParam & 0xFFFF);
int id = m.WParam.ToInt32(); // registered hotkey id
if (Atomic.Lock(ref hotkeyinprogress))
{
if (Taskmaster.Trace)
{
Log.Verbose("<Tray> Hotkey ctrl-alt-shift-m detected!!!");
}
Task.Run(new Action(async() =>
{
try
{
int ignorepid = Taskmaster.activeappmonitor?.Foreground ?? -1;
Log.Information("<Tray> Hotkey detected, freeing memory while ignoring foreground{Ign} if possible.",
ignorepid > 4 ? string.Format(" (#{0})", ignorepid) : string.Empty);
await processmanager.FreeMemory(ignorepid).ConfigureAwait(false);
}
catch (Exception ex)
{
Logging.Stacktrace(ex);
}
finally
{
Atomic.Unlock(ref hotkeyinprogress);
}
}));
}
}
base.WndProc(ref m); // is this necessary?
}
public async void EnsureVisible()
{
if (!Atomic.Lock(ref ensuringvisibility))
{
return;
}
try
{
Enable();
int attempts = 0;
while (!Tray.Visible)
{
Log.Debug("<Tray> Not visible, fixing...");
RefreshVisibility();
await Task.Delay(15 * 1000).ConfigureAwait(true);
if (++attempts >= 5)
{
Log.Fatal("<Tray> Failure to become visible after 5 attempts. Exiting to avoid ghost status.");
Taskmaster.UnifiedExit();
}
}
}
catch (Exception ex)
{
Logging.Stacktrace(ex);
}
finally
{
Atomic.Unlock(ref ensuringvisibility);
}
}
static int correcting; // = 0;
async void VolumeChangedHandler(NAudio.CoreAudioApi.AudioVolumeNotificationData data)
{
var oldVol = Volume;
double newVol = data.MasterVolume * 100;
if (Math.Abs(newVol - Target) <= SmallVolumeHysterisis)
{
if (Taskmaster.ShowInaction)
{
Log.Verbose("<Microphone> Volume change too small ({VolumeChange:N1}%) to act on.", Math.Abs(newVol - Target));
}
return;
}
if (Taskmaster.Trace)
{
Log.Verbose("<Microphone> Volume changed from {OldVolume:N1}% to {NewVolume:N1}%", oldVol, newVol);
}
// This is a light HYSTERISIS limiter in case someone is sliding a volume bar around,
// we act on it only once every [AdjustDelay] ms.
// HOPEFULLY there are no edge cases with this triggering just before last adjustment
// and the notification for the last adjustment coming slightly before. Seems super unlikely tho.
// TODO: Delay this even more if volume is changed ~2 seconds before we try to do so.
if (Math.Abs(newVol - Target) >= VolumeHysterisis) // Volume != Target for double
{
if (Taskmaster.Trace)
{
Log.Verbose("<Microphone> DEBUG: Volume changed = [{OldVolume:N1} -> {NewVolume:N1}], Off.Target: {VolumeOffset:N1}",
oldVol, newVol, Math.Abs(newVol - Target));
}
if (Atomic.Lock(ref correcting))
{
try
{
await System.Threading.Tasks.Task.Delay(AdjustDelay); // actual hysterisis, this should be cancellable
oldVol = Control.Percent;
Log.Information("<Microphone> Correcting volume from {OldVolume:N1} to {NewVolume:N1}", oldVol, Target);
Volume = Target;
Corrections += 1;
micstatsdirty = true;
VolumeChanged?.Invoke(this, new VolumeChangedEventArgs {
Old = oldVol, New = Target, Corrections = Corrections
});
}
catch { throw; } // required for finally to be guaranteed
finally
{
Atomic.Unlock(ref correcting);
}
}
else
{
if (Taskmaster.Trace)
{
Log.Verbose("<Microphone> DEBUG CorrectionAlreadyQueued");
}
}
}
else
{
if (Taskmaster.Trace)
{
Log.Verbose("<Microphone> DEBUG NotCorrected");
}
}
}
public void UpdateInterfaces()
{
if (!Atomic.Lock(ref InterfaceUpdateLimiter))
{
return;
}
needUpdate = false;
try
{
// TODO: Rate limit
if (Taskmaster.DebugNet)
{
Log.Verbose("<Network> Enumerating network interfaces...");
}
var ifacelistt = new List <NetDevice>();
// var ifacelist = new List<string[]>();
var index = 0;
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface dev in adapters)
{
var ti = index++;
if (dev.NetworkInterfaceType == NetworkInterfaceType.Loopback || dev.NetworkInterfaceType == NetworkInterfaceType.Tunnel)
{
continue;
}
var stats = dev.GetIPStatistics();
IPAddress _ipv4 = IPAddress.None, _ipv6 = IPAddress.None;
foreach (UnicastIPAddressInformation ip in dev.GetIPProperties().UnicastAddresses)
{
// TODO: Maybe figure out better way and early bailout from the foreach
switch (ip.Address.AddressFamily)
{
case System.Net.Sockets.AddressFamily.InterNetwork:
_ipv4 = ip.Address;
break;
case System.Net.Sockets.AddressFamily.InterNetworkV6:
_ipv6 = ip.Address;
break;
}
}
var devi = new NetDevice
{
Index = ti,
Name = dev.Name,
Type = dev.NetworkInterfaceType,
Status = dev.OperationalStatus,
Speed = dev.Speed,
IPv4Address = _ipv4,
IPv6Address = _ipv6,
};
devi.Incoming.From(stats, true);
devi.Outgoing.From(stats, false);
// devi.PrintStats();
ifacelistt.Add(devi);
if (Taskmaster.DebugNet)
{
Log.Verbose("<Network> Interface: {InterfaceName}", dev.Name);
}
}
lock (interfaces_lock) CurrentInterfaceList = ifacelistt;
}
finally
{
Atomic.Unlock(ref InterfaceUpdateLimiter);
}
}
int InetCheckLimiter; // = 0;
bool CheckInet(bool address_changed = false)
{
// TODO: Figure out how to get Actual start time of internet connectivity.
if (!Atomic.Lock(ref InetCheckLimiter))
{
return(InternetAvailable);
}
if (Taskmaster.Trace)
{
Log.Verbose("<Network> Checking internet connectivity...");
}
try
{
var oldInetAvailable = InternetAvailable;
if (NetworkAvailable)
{
try
{
Dns.GetHostEntry(dnstestaddress); // FIXME: There should be some other method than DNS testing
InternetAvailable = true;
Notified = false;
// TODO: Don't rely on DNS?
}
catch (System.Net.Sockets.SocketException ex)
{
InternetAvailable = false;
switch (ex.SocketErrorCode)
{
case System.Net.Sockets.SocketError.AccessDenied:
case System.Net.Sockets.SocketError.SystemNotReady:
break;
case System.Net.Sockets.SocketError.TryAgain:
case System.Net.Sockets.SocketError.TimedOut:
default:
Log.Information("<Network> Internet availability test inconclusive, assuming connected.");
InternetAvailable = true;
return(InternetAvailable);
case System.Net.Sockets.SocketError.SocketError:
case System.Net.Sockets.SocketError.Interrupted:
case System.Net.Sockets.SocketError.Fault:
if (!Notified)
{
Log.Warning("<Network> Internet check interrupted. Potential hardware/driver issues.");
Notified = true;
}
break;
case System.Net.Sockets.SocketError.HostUnreachable:
case System.Net.Sockets.SocketError.HostNotFound:
case System.Net.Sockets.SocketError.HostDown:
if (!Notified)
{
Log.Warning("<Network> DNS test failed, test host unreachable. Test host may be down.");
Notified = true;
}
break;
case System.Net.Sockets.SocketError.NetworkDown:
case System.Net.Sockets.SocketError.NetworkReset:
case System.Net.Sockets.SocketError.NetworkUnreachable:
break;
}
}
}
else
{
InternetAvailable = false;
}
RecordDeviceState(InternetAvailable, address_changed);
if (oldInetAvailable != InternetAvailable)
{
string status = "All OK";
if (NetworkAvailable && !InternetAvailable)
{
status = "ISP/route problems";
}
else if (!NetworkAvailable)
{
status = "Cable unplugged or router/modem down";
}
Log.Information("<Network> Status: {NetworkAvailable}, Internet: {InternetAvailable} – {Status}",
(NetworkAvailable ? "Up" : "Down"),
(InternetAvailable ? "Connected" : "Disconnected"),
status);
}
else
{
if (Taskmaster.Trace)
{
Log.Verbose("<Network> Connectivity unchanged.");
}
}
}
finally
{
Atomic.Unlock(ref InetCheckLimiter);
}
InternetStatusChange?.Invoke(this, new InternetStatus {
Available = InternetAvailable, Start = lastUptimeStart, Uptime = Uptime
});
return(InternetAvailable);
}
void AnalyzeTrafficBehaviour()
{
Debug.Assert(CurrentInterfaceList != null);
if (!Atomic.Lock(ref TrafficAnalysisLimiter))
{
return;
}
try
{
PacketWarning.Leak();
var oldifaces = CurrentInterfaceList;
UpdateInterfaces(); // force refresh
var ifaces = CurrentInterfaceList;
if (ifaces == null)
{
return; // no interfaces, just quit
}
for (int index = 0; index < ifaces.Count; index++)
{
outgoing = ifaces[index].Outgoing;
incoming = ifaces[index].Incoming;
oldoutgoing = oldifaces[index].Outgoing;
oldincoming = oldifaces[index].Incoming;
long totalerrors = outgoing.Errors + incoming.Errors;
long totaldiscards = outgoing.Errors + incoming.Errors;
long totalunicast = outgoing.Errors + incoming.Errors;
long errors = (incoming.Errors - oldincoming.Errors) + (outgoing.Errors - oldoutgoing.Errors);
long discards = (incoming.Discards - oldincoming.Discards) + (outgoing.Discards - oldoutgoing.Discards);
long packets = (incoming.Unicast - oldincoming.Unicast) + (outgoing.Unicast - oldoutgoing.Unicast);
// Console.WriteLine("{0} : Packets(+{1}), Errors(+{2}), Discarded(+{3})", ifaces[index].Name, packets, errors, discards);
if (errors > 0 && // only if errors
Taskmaster.ShowNetworkErrors && // user wants to see this
!ErrorReports.Peaked && // we're not waiting for report counter to go down
ErrorReports.Pump()) // error reporting not full
{
Log.Warning("<Network> {Device} is suffering from traffic errors! (+{Rate} since last sample)",
ifaces[index].Name, errors);
}
else
{
ErrorReports.Leak();
}
onSampling?.Invoke(this, new NetDeviceTrafficEventArgs
{
Traffic =
new NetDeviceTraffic
{
Index = index,
Delta = new NetTraffic {
Unicast = packets, Errors = errors, Discards = discards
},
Total = new NetTraffic {
Unicast = totalunicast, Errors = totalerrors, Discards = totaldiscards, Bytes = incoming.Bytes + outgoing.Bytes
},
}
});
}
}
catch (Exception ex)
{
Logging.Stacktrace(ex);
}
finally
{
Atomic.Unlock(ref TrafficAnalysisLimiter);
}
}
/// <summary>
/// Prune cache.
/// </summary>
void Prune()
{
if (!Atomic.Lock(ref prune_in_progress))
{
return; // only one instance.
}
try
{
if (Items.Count <= MinCache)
{
return; // just don't bother
}
if (Items.Count <= MaxCache && CacheEvictStrategy == EvictStrategy.LeastUsed)
{
return;
}
lock (cache_lock)
{
var list = Items.Values.ToList(); // would be nice to cache this list
list.Sort(delegate(CacheItem <K1, K2, T> x, CacheItem <K1, K2, T> y)
{
if (CacheEvictStrategy == EvictStrategy.LeastRecent)
{
if (x.Access < y.Access)
{
return(-1);
}
if (x.Access > y.Access)
{
return(1);
}
// Both have equal at this point
if (x.Desirability < y.Desirability)
{
return(-1);
}
if (x.Desirability > y.Desirability)
{
return(1);
}
}
else
{
if (x.Desirability < y.Desirability)
{
return(-1);
}
if (x.Desirability > y.Desirability)
{
return(1);
}
// Both have equal at this point
if (x.Access < y.Access)
{
return(-1);
}
if (x.Access > y.Access)
{
return(1);
}
}
return(0);
});
// Log.Debug("CACHE STATE: FIRST({First}) LAST({LAST})", list.First().Access, list.Last().Access);
// Log.Debug("CACHE ITEMS BEFORE PRUNE: {Items}", Items.Count);
while (Items.Count > MaxCache)
{
var bu = list.ElementAt(0);
var key = bu.AccessKey;
// Log.Debug("--- REMOVING: Key:{Key}, Last Access: {Date}, Desirability: {Value}",
// key, bu.Access, bu.Desirability);
Items.Remove(key);
list.RemoveAt(0);
}
// Log.Debug("CACHE ITEMS AFTER PRUNE: {Items}", Items.Count);
double bi = double.NaN;
var deleteItem = new Action <K1>(
(K1 key) =>
{
if (Taskmaster.Trace)
{
Log.Verbose("Removing {time} min old item.", string.Format("{0:N1}", bi));
}
Items.Remove(key);
list.RemoveAt(0);
}
);
var now = DateTime.Now;
while (list.Count > 0)
{
var bu = list.ElementAt(0);
bi = now.TimeSince(bu.Access).TotalMinutes;
if (CacheEvictStrategy == EvictStrategy.LeastRecent)
{
if (bi > MaxAge)
{
deleteItem(bu.AccessKey);
}
else
{
break;
}
}
else // .LeastUsed, TM is never going to reach this.
{
if (bi > MinAge)
{
deleteItem(bu.AccessKey);
}
else
{
break;
}
}
}
}
}
finally
{
Atomic.Unlock(ref prune_in_progress);
}
}