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#1628 Handle libusb get device list error condition and retry with increased logging during error code -99 to determine what causes this error condition, primarily on some Linux systems.

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Dennis Sheirer
2023-08-18 03:55:42 -04:00
parent d0fcd617aa
commit 3c03a4db2e
1 changed files with 42 additions and 12 deletions
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54
src/main/java/io/github/dsheirer/source/tuner/manager/TunerManager.java
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@@ -45,6 +45,13 @@ import io.github.dsheirer.source.tuner.sdrplay.api.device.DeviceInfo;
import io.github.dsheirer.source.tuner.sdrplay.rspDuo.DiscoveredRspDuoTuner1;
import io.github.dsheirer.source.tuner.ui.DiscoveredTunerModel;
import io.github.dsheirer.util.ThreadPool;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.usb4java.Context;
@@ -55,14 +62,6 @@ import org.usb4java.HotplugCallback;
import org.usb4java.HotplugCallbackHandle;
import org.usb4java.LibUsb;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
/**
* Tuner manager provides access to tuners using USB, recording, sound-card and system-daemon accessible devices. This
* manager also supports hot-plug detection and black-listing of discovered tuners so that they can be used with other
@@ -187,10 +186,10 @@ public class TunerManager implements IDiscoveredTunerStatusListener
DeviceList deviceList = new DeviceList();
int deviceCount = LibUsb.getDeviceList(mLibUsbApplicationContext, deviceList);
mLog.info("LibUsb - discovered [" + deviceCount + "] potential usb devices");
if(deviceCount >= 0)
{
mLog.info("LibUsb - discovered [" + deviceCount + "] potential usb devices");
for(Device device: deviceList)
{
int bus = LibUsb.getBusNumber(device);
@@ -228,9 +227,40 @@ public class TunerManager implements IDiscoveredTunerStatusListener
//Unref the device - it will be rediscovered under the device context when it is started
LibUsb.unrefDevice(device);
}
}
LibUsb.freeDeviceList(deviceList, false);
LibUsb.freeDeviceList(deviceList, false);
}
//If the get device list operation generated error -99, turn on warning logging and try device list
// again to see what's causing it.
else if(deviceCount == LibUsb.ERROR_OTHER)
{
try
{
mLog.info("LibUsb reported error -99 during get device list - increasing logging level and retrying");
LibUsb.setOption(mLibUsbApplicationContext, LibUsb.OPTION_LOG_LEVEL, LibUsb.LOG_LEVEL_WARNING);
deviceCount = LibUsb.getDeviceList(mLibUsbApplicationContext, deviceList);
if(deviceCount >=0)
{
mLog.info("LibUsb - get device list count [" + deviceCount + "] during retry");
LibUsb.freeDeviceList(deviceList, false);
}
else
{
mLog.info("LibUsb - get device list reported error [" + deviceCount + "/" +
LibUsb.errorName(deviceCount) + "] during retry");
}
LibUsb.setOption(mLibUsbApplicationContext, LibUsb.OPTION_LOG_LEVEL, LibUsb.LOG_LEVEL_NONE);
mLog.info("LibUse - get device list reattempt complete - if additional logging was generated please notify developer");
}
catch(Exception e)
{
mLog.info("LibUsb error during get device list reattempt", e);
}
}
else
{
mLog.error("LibUsb - error [" + deviceCount + "/" + LibUsb.errorName(deviceCount) + "] during get device list");
}
}
catch(Exception e)
{