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mirror of https://github.com/KDE/kdeconnect-android synced 2025-08-22 09:58:08 +00:00

Changes from code review

This commit is contained in:
Albert Vaca Cintora 2023-06-04 19:40:34 +02:00
parent 1ccf15010e
commit 476304d6fb
4 changed files with 87 additions and 54 deletions

View File

@ -531,7 +531,7 @@ public class Device implements BaseLink.PacketReceiver {
@Override
public void onPacketReceived(@NonNull NetworkPacket np) {
PacketStats.countReceived(getDeviceId(), np.getType());
DeviceStats.countReceived(getDeviceId(), np.getType());
if (NetworkPacket.PACKET_TYPE_PAIR.equals(np.getType())) {
@ -694,7 +694,7 @@ public class Device implements BaseLink.PacketReceiver {
} catch (IOException e) {
e.printStackTrace();
}
PacketStats.countSent(getDeviceId(), np.getType(), success);
DeviceStats.countSent(getDeviceId(), np.getType(), success);
if (success) break;
}

View File

@ -5,6 +5,7 @@ import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.annotation.VisibleForTesting;
import java.util.ArrayList;
import java.util.Collection;
@ -14,67 +15,74 @@ import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.TimeUnit;
public class PacketStats {
public class DeviceStats {
private static final long EVENT_KEEP_WINDOW_MILLIS = 24 * 60 * 60 * 1000; // Keep 24 hours of events
private static final long CLEANUP_INTERVAL_MILLIS = EVENT_KEEP_WINDOW_MILLIS/4; // Delete old (>24 hours) events every 6 hours
/**
* Keep 24 hours of events
*/
private static final long EVENT_KEEP_WINDOW_MILLIS = 24 * 60 * 60 * 1000;
static class DeviceEvents {
/**
* Delete old (>24 hours, see EVENT_KEEP_WINDOW_MILLIS) events every 6 hours
*/
private static final long CLEANUP_INTERVAL_MILLIS = EVENT_KEEP_WINDOW_MILLIS/4;
private final static HashMap<String, PacketStats> eventsByDevice = new HashMap<>();
private static long nextCleanup = System.currentTimeMillis() + CLEANUP_INTERVAL_MILLIS;
static class PacketStats {
public long createdAtMillis = System.currentTimeMillis();
public HashMap<String, ArrayList<Long>> receivedByType = new HashMap<>();
public HashMap<String, ArrayList<Long>> sentSuccessfulByType = new HashMap<>();
public HashMap<String, ArrayList<Long>> sentFailedByType = new HashMap<>();
static class Counts {
@NonNull String packetType;
static class Summary {
final @NonNull String packetType;
int received = 0;
int sentSuccessful = 0;
int sentFailed = 0;
int total = 0;
Counts(@NonNull String packetType) {
Summary(@NonNull String packetType) {
this.packetType = packetType;
}
}
@RequiresApi(api = Build.VERSION_CODES.N)
public @NonNull Collection<Counts> getCounts() {
HashMap<String, Counts> countsByType = new HashMap<>();
public @NonNull Collection<Summary> getSummaries() {
HashMap<String, Summary> countsByType = new HashMap<>();
for (Map.Entry<String, ArrayList<Long>> entry : receivedByType.entrySet()) {
Counts counts = countsByType.computeIfAbsent(entry.getKey(), Counts::new);
counts.received += entry.getValue().size();
counts.total += entry.getValue().size();
Summary summary = countsByType.computeIfAbsent(entry.getKey(), Summary::new);
summary.received += entry.getValue().size();
summary.total += entry.getValue().size();
}
for (Map.Entry<String, ArrayList<Long>> entry : sentSuccessfulByType.entrySet()) {
Counts counts = countsByType.computeIfAbsent(entry.getKey(), Counts::new);
counts.sentSuccessful += entry.getValue().size();
counts.total += entry.getValue().size();
Summary summary = countsByType.computeIfAbsent(entry.getKey(), Summary::new);
summary.sentSuccessful += entry.getValue().size();
summary.total += entry.getValue().size();
}
for (Map.Entry<String, ArrayList<Long>> entry : sentFailedByType.entrySet()) {
Counts counts = countsByType.computeIfAbsent(entry.getKey(), Counts::new);
counts.sentFailed += entry.getValue().size();
counts.total += entry.getValue().size();
Summary summary = countsByType.computeIfAbsent(entry.getKey(), Summary::new);
summary.sentFailed += entry.getValue().size();
summary.total += entry.getValue().size();
}
return countsByType.values();
}
}
private final static HashMap<String, DeviceEvents> eventsByDevice = new HashMap<>();
private static long nextCleanup = System.currentTimeMillis() + CLEANUP_INTERVAL_MILLIS;
@RequiresApi(api = Build.VERSION_CODES.N)
public static @NonNull String getStatsForDevice(@NonNull String deviceId) {
cleanupIfNeeded();
DeviceEvents deviceEvents = eventsByDevice.get(deviceId);
if (deviceEvents == null) {
PacketStats packetStats = eventsByDevice.get(deviceId);
if (packetStats == null) {
return "";
}
StringBuilder ret = new StringBuilder();
long timeInMillis = System.currentTimeMillis() - deviceEvents.createdAtMillis;
long timeInMillis = System.currentTimeMillis() - packetStats.createdAtMillis;
if (timeInMillis > EVENT_KEEP_WINDOW_MILLIS) {
timeInMillis = EVENT_KEEP_WINDOW_MILLIS;
}
@ -86,10 +94,10 @@ public class PacketStats {
ret.append(minutes);
ret.append("m\n\n");
ArrayList<DeviceEvents.Counts> counts = new ArrayList<>(deviceEvents.getCounts());
ArrayList<PacketStats.Summary> counts = new ArrayList<>(packetStats.getSummaries());
Collections.sort(counts, (o1, o2) -> Integer.compare(o2.total, o1.total)); // Sort them by total number of events
for (DeviceEvents.Counts count : counts) {
for (PacketStats.Summary count : counts) {
String name = count.packetType;
if (name.startsWith("kdeconnect.")) {
name = name.substring("kdeconnect.".length());
@ -111,7 +119,13 @@ public class PacketStats {
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.N) {
return; // computeIfAbsent not present in API < 24
}
eventsByDevice.computeIfAbsent(deviceId, key -> new DeviceEvents()).receivedByType.computeIfAbsent(packetType, key -> new ArrayList<>()).add(System.currentTimeMillis());
synchronized (DeviceStats.class) {
eventsByDevice
.computeIfAbsent(deviceId, key -> new PacketStats())
.receivedByType
.computeIfAbsent(packetType, key -> new ArrayList<>())
.add(System.currentTimeMillis());
}
cleanupIfNeeded();
}
@ -120,9 +134,21 @@ public class PacketStats {
return; // computeIfAbsent not present in API < 24
}
if (success) {
eventsByDevice.computeIfAbsent(deviceId, key -> new DeviceEvents()).sentSuccessfulByType.computeIfAbsent(packetType, key -> new ArrayList<>()).add(System.currentTimeMillis());
synchronized (DeviceStats.class) {
eventsByDevice
.computeIfAbsent(deviceId, key -> new PacketStats())
.sentSuccessfulByType
.computeIfAbsent(packetType, key -> new ArrayList<>())
.add(System.currentTimeMillis());
}
} else {
eventsByDevice.computeIfAbsent(deviceId, key ->new DeviceEvents()).sentFailedByType.computeIfAbsent(packetType, key -> new ArrayList<>()).add(System.currentTimeMillis());
synchronized (DeviceStats.class) {
eventsByDevice
.computeIfAbsent(deviceId, key -> new PacketStats())
.sentFailedByType
.computeIfAbsent(packetType, key -> new ArrayList<>())
.add(System.currentTimeMillis());
}
}
cleanupIfNeeded();
}
@ -130,8 +156,9 @@ public class PacketStats {
private static void cleanupIfNeeded() {
final long cutoutTimestamp = System.currentTimeMillis() - EVENT_KEEP_WINDOW_MILLIS;
if (System.currentTimeMillis() > nextCleanup) {
synchronized (DeviceStats.class) {
Log.i("PacketStats", "Doing periodic cleanup");
for (DeviceEvents de : eventsByDevice.values()) {
for (PacketStats de : eventsByDevice.values()) {
removeOldEvents(de.receivedByType, cutoutTimestamp);
removeOldEvents(de.sentFailedByType, cutoutTimestamp);
removeOldEvents(de.sentSuccessfulByType, cutoutTimestamp);
@ -139,7 +166,9 @@ public class PacketStats {
nextCleanup = System.currentTimeMillis() + CLEANUP_INTERVAL_MILLIS;
}
}
}
@VisibleForTesting
static void removeOldEvents(HashMap<String, ArrayList<Long>> eventsByType, final long cutoutTimestamp) {
Iterator<Map.Entry<String, ArrayList<Long>>> iterator = eventsByType.entrySet().iterator();

View File

@ -10,7 +10,10 @@ import android.os.Build;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
@ -18,8 +21,8 @@ import androidx.fragment.app.FragmentManager;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import org.kde.kdeconnect.Device;
import org.kde.kdeconnect.DeviceStats;
import org.kde.kdeconnect.KdeConnect;
import org.kde.kdeconnect.PacketStats;
import org.kde.kdeconnect.Plugins.Plugin;
import org.kde.kdeconnect_tp.R;
@ -101,12 +104,16 @@ public class PluginSettingsActivity
return false; // PacketStats not working in API < 24
}
menu.add(R.string.plugin_stats).setOnMenuItemClickListener(item -> {
String stats = PacketStats.getStatsForDevice(deviceId);
MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(PluginSettingsActivity.this);
builder.setTitle(R.string.plugin_stats);
builder.setPositiveButton(R.string.ok, (dialog, which) -> dialog.dismiss());
builder.setMessage(stats);
builder.show();
String stats = DeviceStats.getStatsForDevice(deviceId);
AlertDialog alertDialog = new MaterialAlertDialogBuilder(PluginSettingsActivity.this)
.setTitle(R.string.plugin_stats)
.setPositiveButton(R.string.ok, (dialog, which) -> dialog.dismiss())
.setMessage(stats)
.show();
View messageView = alertDialog.findViewById(android.R.id.message);
if (messageView instanceof TextView) {
((TextView) messageView).setTextIsSelectable(true);
}
return true;
});
return true;

View File

@ -2,14 +2,11 @@ package org.kde.kdeconnect;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.modules.junit4.PowerMockRunner;
import java.util.ArrayList;
import java.util.HashMap;
@RunWith(PowerMockRunner.class)
public class PacketStatsTest {
public class DeviceStatsTest {
@Test
public void removeOldEvents_cutoutExists() {
@ -21,7 +18,7 @@ public class PacketStatsTest {
events.add(20L);
events.add(30L);
final long cutout = 20L;
PacketStats.removeOldEvents(eventsByType, cutout);
DeviceStats.removeOldEvents(eventsByType, cutout);
ArrayList<Long> eventsAfter = eventsByType.get(key);
Assert.assertNotNull(eventsAfter);
Assert.assertEquals(2, eventsAfter.size());
@ -39,7 +36,7 @@ public class PacketStatsTest {
events.add(20L);
events.add(30L);
final long cutout = 25L;
PacketStats.removeOldEvents(eventsByType, cutout);
DeviceStats.removeOldEvents(eventsByType, cutout);
ArrayList<Long> eventsAfter = eventsByType.get(key);
Assert.assertNotNull(eventsAfter);
Assert.assertEquals(1, eventsAfter.size());
@ -55,7 +52,7 @@ public class PacketStatsTest {
events.add(10L);
events.add(20L);
final long cutout = 25L;
PacketStats.removeOldEvents(eventsByType, cutout);
DeviceStats.removeOldEvents(eventsByType, cutout);
ArrayList<Long> eventsAfter = eventsByType.get(key);
Assert.assertNull(eventsAfter);
}
@ -68,7 +65,7 @@ public class PacketStatsTest {
eventsByType.put(key, events);
events.add(10L);
final long cutout = 5L;
PacketStats.removeOldEvents(eventsByType, cutout);
DeviceStats.removeOldEvents(eventsByType, cutout);
ArrayList<Long> eventsAfter = eventsByType.get(key);
Assert.assertNotNull(eventsAfter);
Assert.assertEquals(1, eventsAfter.size());