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/*
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.libraries.mobiledatadownload.internal.logging;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import com.google.android.libraries.mobiledatadownload.internal.FileGroupManager;
import com.google.android.libraries.mobiledatadownload.internal.FileGroupManager.GroupDownloadStatus;
import com.google.android.libraries.mobiledatadownload.internal.FileGroupsMetadata;
import com.google.android.libraries.mobiledatadownload.internal.annotations.SequentialControlExecutor;
import com.google.android.libraries.mobiledatadownload.internal.collect.GroupKeyAndGroup;
import com.google.android.libraries.mobiledatadownload.internal.util.FileGroupUtil;
import com.google.android.libraries.mobiledatadownload.tracing.PropagatedFutures;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.mobiledatadownload.LogEnumsProto.MddFileGroupDownloadStatus;
import com.google.mobiledatadownload.LogProto.DataDownloadFileGroupStats;
import com.google.mobiledatadownload.LogProto.MddFileGroupStatus;
import com.google.mobiledatadownload.internal.MetadataProto.DataFileGroupInternal;
import com.google.mobiledatadownload.internal.MetadataProto.GroupKey;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executor;
import javax.inject.Inject;
/**
* Log MDD file group stats. For each file group, it will log the file group details along with the
* current state of the file group (pending, downloaded or stale).
*/
public class FileGroupStatsLogger {
private static final String TAG = "FileGroupStatsLogger";
private final FileGroupManager fileGroupManager;
private final FileGroupsMetadata fileGroupsMetadata;
private final EventLogger eventLogger;
private final Executor sequentialControlExecutor;
@Inject
public FileGroupStatsLogger(
FileGroupManager fileGroupManager,
FileGroupsMetadata fileGroupsMetadata,
EventLogger eventLogger,
@SequentialControlExecutor Executor sequentialControlExecutor) {
this.fileGroupManager = fileGroupManager;
this.fileGroupsMetadata = fileGroupsMetadata;
this.eventLogger = eventLogger;
this.sequentialControlExecutor = sequentialControlExecutor;
}
// TODO(b/73490689): Also log stats about stale groups.
public ListenableFuture<Void> log(int daysSinceLastLog) {
return eventLogger.logMddFileGroupStats(() -> buildFileGroupStatusList(daysSinceLastLog));
}
private ListenableFuture<List<EventLogger.FileGroupStatusWithDetails>> buildFileGroupStatusList(
int daysSinceLastLog) {
return PropagatedFutures.transformAsync(
fileGroupsMetadata.getAllFreshGroups(),
downloadedAndPendingGroups -> {
List<ListenableFuture<EventLogger.FileGroupStatusWithDetails>> futures =
new ArrayList<>();
for (GroupKeyAndGroup pair : downloadedAndPendingGroups) {
GroupKey groupKey = pair.groupKey();
DataFileGroupInternal dataFileGroup = pair.dataFileGroup();
if (dataFileGroup == null) {
continue;
}
DataDownloadFileGroupStats fileGroupDetails =
DataDownloadFileGroupStats.newBuilder()
.setFileGroupName(groupKey.getGroupName())
.setOwnerPackage(groupKey.getOwnerPackage())
.setFileGroupVersionNumber(dataFileGroup.getFileGroupVersionNumber())
.setFileCount(dataFileGroup.getFileCount())
.setInlineFileCount(FileGroupUtil.getInlineFileCount(dataFileGroup))
.setHasAccount(!groupKey.getAccount().isEmpty())
.setBuildId(dataFileGroup.getBuildId())
.setVariantId(dataFileGroup.getVariantId())
.build();
futures.add(
PropagatedFutures.transform(
buildFileGroupStatus(dataFileGroup, groupKey, daysSinceLastLog),
fileGroupStatus ->
EventLogger.FileGroupStatusWithDetails.create(
fileGroupStatus, fileGroupDetails),
sequentialControlExecutor));
}
return Futures.allAsList(futures);
},
sequentialControlExecutor);
}
private ListenableFuture<MddFileGroupStatus> buildFileGroupStatus(
DataFileGroupInternal dataFileGroup, GroupKey groupKey, int daysSinceLastLog) {
MddFileGroupStatus.Builder fileGroupStatus =
MddFileGroupStatus.newBuilder().setDaysSinceLastLog(daysSinceLastLog);
if (dataFileGroup.getBookkeeping().hasGroupNewFilesReceivedTimestamp()) {
fileGroupStatus.setGroupAddedTimestampInSeconds(
dataFileGroup.getBookkeeping().getGroupNewFilesReceivedTimestamp() / 1000);
} else {
fileGroupStatus.setGroupAddedTimestampInSeconds(-1);
}
if (groupKey.getDownloaded()) {
fileGroupStatus.setFileGroupDownloadStatus(MddFileGroupDownloadStatus.Code.COMPLETE);
if (dataFileGroup.getBookkeeping().hasGroupDownloadedTimestampInMillis()) {
fileGroupStatus.setGroupDownloadedTimestampInSeconds(
dataFileGroup.getBookkeeping().getGroupDownloadedTimestampInMillis() / 1000);
} else {
fileGroupStatus.setGroupDownloadedTimestampInSeconds(-1);
}
return immediateFuture(fileGroupStatus.build());
} else {
fileGroupStatus.setGroupDownloadedTimestampInSeconds(-1);
return PropagatedFutures.transform(
fileGroupManager.getFileGroupDownloadStatus(dataFileGroup),
status -> {
if (status == GroupDownloadStatus.DOWNLOADED || status == GroupDownloadStatus.PENDING) {
// Log pending even if verify returns downloaded, as it will be marked as
// completed in the next periodic task.
fileGroupStatus.setFileGroupDownloadStatus(MddFileGroupDownloadStatus.Code.PENDING);
} else {
// TODO(b/73490689): Log the reason for failure along with this.
fileGroupStatus.setFileGroupDownloadStatus(MddFileGroupDownloadStatus.Code.FAILED);
}
return fileGroupStatus.build();
},
sequentialControlExecutor);
}
}
}
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