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Acquire WakeLock when hosting Swissbit SCUs #86

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merged 2 commits into from
Sep 5, 2024
Merged

Acquire WakeLock when hosting Swissbit SCUs #86

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ed9185a
Acquire wakelock when hosting Swissbit SCUs
TSchmiedlechner Sep 4, 2024
48b4def
Updated to Swissbit SCU 1.3.62
TSchmiedlechner Sep 5, 2024
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15 changes: 13 additions & 2 deletions src/fiskaltrust.AndroidLauncher.Common/Services/MiddlewareLauncher.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,6 @@
using fiskaltrust.AndroidLauncher.Common.Services.SCU;
using fiskaltrust.AndroidLauncher.Common.Signing;
using fiskaltrust.ifPOS.v1;
using fiskaltrust.ifPOS.v1.de;
using fiskaltrust.ifPOS.v1.it;
using fiskaltrust.Middleware.Abstractions;
using fiskaltrust.storage.serialization.V0;
using Microsoft.Extensions.Logging;
Expand Down Expand Up @@ -39,6 +37,7 @@ internal class MiddlewareLauncher
private readonly Dictionary<string, object> _scuParams;
private readonly LogLevel _logLevel;

private Android.OS.PowerManager.WakeLock _wakeLock;
private List<IHelper> _helpers;
private List<IPOS> _poss;
private AbstractScuList _scus;
Expand Down Expand Up @@ -87,6 +86,9 @@ public async Task StartAsync()
switch (scuConfig.Package)
{
case PACKAGE_NAME_DE_SWISSBIT:
// On some (payment) devices, the CPU is turned off as soon as the device becomes remotely idle (i.e. right after processing a receipt) - this seems to also stop the internal clock of the Swissbit TSE.
// To prevent this, we acquire a partial wake lock to keep the CPU running. As this is only required with hardware TSEs, we only acquire the wake lock for the Swissbit SCU for now.
AcquireCpuWakeLock();
await InitializeDESwissbitScuAsync(scuConfig);
break;
case PACKAGE_NAME_DE_FISKALY_CERTIFIED:
Expand Down Expand Up @@ -130,6 +132,8 @@ public async Task StopAsync()
helper.StopEnd();
}

_wakeLock?.Release();

IsRunning = false;
}

Expand Down Expand Up @@ -194,5 +198,12 @@ private static string GetPrimaryUriForSignaturCreationUnit(PackageConfiguration
var grpcUrl = scuConfiguration.Url.FirstOrDefault(x => x.StartsWith("grpc://", StringComparison.InvariantCulture));
return new Uri(grpcUrl ?? scuConfiguration.Url.First()).ToString();
}

private void AcquireCpuWakeLock()
{
var pm = (Android.OS.PowerManager)Android.App.Application.Context.GetSystemService(Android.Content.Context.PowerService);
_wakeLock = pm.NewWakeLock(Android.OS.WakeLockFlags.Partial, "fiskaltrust.AndroidLauncher::KeepAliveWakeLock");
_wakeLock.Acquire();
}
}
}
4 changes: 2 additions & 2 deletions src/fiskaltrust.AndroidLauncher.Common/fiskaltrust.AndroidLauncher.Common.csproj
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Expand Up @@ -144,10 +144,10 @@
<Version>1.3.59</Version>
</PackageReference>
<PackageReference Include="fiskaltrust.Middleware.SCU.DE.Swissbit">
<Version>1.3.48</Version>
<Version>1.3.62</Version>
</PackageReference>
<PackageReference Include="fiskaltrust.Middleware.SCU.DE.SwissbitAndroid">
<Version>1.3.48</Version>
<Version>1.3.62</Version>
</PackageReference>
<PackageReference Include="Microsoft.AspNetCore">
<Version>2.2.0</Version>
Expand Down
1 change: 1 addition & 0 deletions src/fiskaltrust.AndroidLauncher.Grpc/Properties/AndroidManifest.xml
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Expand Up @@ -10,4 +10,5 @@
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
<uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" android:maxSdkVersion="32" />
<uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
</manifest>
1 change: 1 addition & 0 deletions src/fiskaltrust.AndroidLauncher.Http/Properties/AndroidManifest.xml
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Expand Up @@ -9,4 +9,5 @@
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
<uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" android:maxSdkVersion="32" />
<uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
</manifest>
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