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Improved handling of critical sections to solve deadlocks.

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This commit is contained in:
IceStormNG
2023-07-27 10:13:24 +02:00
parent a9c104d388
commit ef31935b24
1 changed files with 73 additions and 63 deletions
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136
app/Peripherals/PeripheralsProvider.cs
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@@ -1,12 +1,11 @@
using GHelper.Peripherals.Mouse;
using GHelper.Peripherals.Mouse.Models;
using System.Runtime.CompilerServices;
namespace GHelper.Peripherals
{
public class PeripheralsProvider
{
public static object _LOCK = new object();
private static readonly object _LOCK = new object();
public static List<AsusMouse> ConnectedMice = new List<AsusMouse>();
@@ -14,7 +13,15 @@ namespace GHelper.Peripherals
public static bool IsMouseConnected()
{
return ConnectedMice.Count > 0;
lock (_LOCK)
{
return ConnectedMice.Count > 0;
}
}
public static bool IsDeviceConnected(IPeripheral peripheral)
{
return AllPeripherals().Contains(peripheral);
}
//Expand if keyboards or other device get supported later.
@@ -26,31 +33,29 @@ namespace GHelper.Peripherals
public static List<IPeripheral> AllPeripherals()
{
List<IPeripheral> l = new List<IPeripheral>();
l.AddRange(ConnectedMice);
lock (_LOCK)
{
l.AddRange(ConnectedMice);
}
return l;
}
public static void RefreshBatteryForAllDevices()
{
if (!IsAnyPeripheralConnect()) return;
List<IPeripheral> l = AllPeripherals();
lock (_LOCK)
foreach (IPeripheral m in l)
{
foreach (IPeripheral m in AllPeripherals())
if (!m.IsDeviceReady)
{
if (!m.IsDeviceReady)
{
//Try to sync the device if that hasn't been done yet
m.SynchronizeDevice();
}
else
{
m.ReadBattery();
}
//Try to sync the device if that hasn't been done yet
m.SynchronizeDevice();
}
else
{
m.ReadBattery();
}
}
}
public static void Disconnect(AsusMouse am)
@@ -58,54 +63,57 @@ namespace GHelper.Peripherals
lock (_LOCK)
{
ConnectedMice.Remove(am);
if (DeviceChanged is not null)
{
DeviceChanged(am, EventArgs.Empty);
}
}
if (DeviceChanged is not null)
{
DeviceChanged(am, EventArgs.Empty);
}
}
public static void Connect(AsusMouse am)
{
if (IsDeviceConnected(am))
{
//Mouse already connected;
return;
}
try
{
am.Connect();
}
catch (IOException e)
{
Logger.WriteLine(am.GetDisplayName() + " failed to connect to device: " + e);
return;
}
//The Mouse might needs a few ms to register all its subdevices or the sync will fail.
//Retry 3 times. Do not call this on main thread! It would block the UI
int tries = 0;
while (!am.IsDeviceReady && tries < 3)
{
Thread.Sleep(250);
Logger.WriteLine(am.GetDisplayName() + " synchronising. Try " + (tries + 1));
am.SynchronizeDevice();
++tries;
}
lock (_LOCK)
{
if (ConnectedMice.Contains(am))
{
//Mouse already connected;
return;
}
try
{
am.Connect();
}
catch (IOException e)
{
Logger.WriteLine(am.GetDisplayName() + " failed to connect to device: " + e);
return;
}
am.Disconnect += Mouse_Disconnect;
//The Mouse might needs a few ms to register all its subdevices or the sync will fail.
//Retry 3 times. Do not call this on main thread! It would block the UI
int tries = 0;
while (!am.IsDeviceReady && tries < 3)
{
Thread.Sleep(250);
Logger.WriteLine(am.GetDisplayName() + " synchronising. Try " + (tries + 1));
am.SynchronizeDevice();
++tries;
}
ConnectedMice.Add(am);
Logger.WriteLine(am.GetDisplayName() + " added to the list: " + ConnectedMice.Count + " device are conneted.");
if (DeviceChanged is not null)
{
DeviceChanged(am, EventArgs.Empty);
}
UpdateSettingsView();
}
Logger.WriteLine(am.GetDisplayName() + " added to the list: " + ConnectedMice.Count + " device are conneted.");
am.Disconnect += Mouse_Disconnect;
if (DeviceChanged is not null)
{
DeviceChanged(am, EventArgs.Empty);
}
UpdateSettingsView();
}
private static void Mouse_Disconnect(object? sender, EventArgs e)
@@ -114,14 +122,17 @@ namespace GHelper.Peripherals
{
return;
}
AsusMouse am = (AsusMouse)sender;
lock (_LOCK)
{
AsusMouse am = (AsusMouse)sender;
ConnectedMice.Remove(am);
Logger.WriteLine(am.GetDisplayName() + " reported disconnect. " + ConnectedMice.Count + " device are conneted.");
am.Dispose();
UpdateSettingsView();
}
Logger.WriteLine(am.GetDisplayName() + " reported disconnect. " + ConnectedMice.Count + " device are conneted.");
am.Dispose();
UpdateSettingsView();
}
@@ -141,12 +152,11 @@ namespace GHelper.Peripherals
DetectMouse(new ChakramXWired());
DetectMouse(new GladiusIII());
DetectMouse(new GladiusIIIWired());
UpdateSettingsView();
}
public static void DetectMouse(AsusMouse am)
{
if (am.IsDeviceConnected() && !ConnectedMice.Contains(am))
if (am.IsDeviceConnected() && !IsDeviceConnected(am))
{
Logger.WriteLine("Detected a new" + am.GetDisplayName() + " . Connecting...");
Connect(am);