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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 androidx.annotation.VisibleForTesting;
import com.google.errorprone.annotations.CheckReturnValue;
import com.google.mobiledatadownload.internal.MetadataProto.DataFileGroupBookkeeping;
import com.google.mobiledatadownload.internal.MetadataProto.DataFileGroupInternal;
/** Helper logger to log the events associated with an MDD Download or Import operation. */
@CheckReturnValue
public final class DownloadStateLogger {
private static final String TAG = "FileGroupStatusLogger";
@VisibleForTesting
enum Operation {
DOWNLOAD,
IMPORT,
};
private final EventLogger eventLogger;
private final Operation operation;
private DownloadStateLogger(EventLogger eventLogger, Operation operation) {
this.eventLogger = eventLogger;
this.operation = operation;
}
public static DownloadStateLogger forDownload(EventLogger eventLogger) {
return new DownloadStateLogger(eventLogger, Operation.DOWNLOAD);
}
public static DownloadStateLogger forImport(EventLogger eventLogger) {
return new DownloadStateLogger(eventLogger, Operation.IMPORT);
}
public void logStarted(DataFileGroupInternal fileGroup) {
switch (operation) {
case DOWNLOAD:
logEventWithDataFileGroup(0, fileGroup);
break;
case IMPORT:
logEventWithDataFileGroup(0, fileGroup);
break;
}
}
public void logPending(DataFileGroupInternal fileGroup) {
switch (operation) {
case DOWNLOAD:
logEventWithDataFileGroup(0, fileGroup);
break;
case IMPORT:
logEventWithDataFileGroup(0, fileGroup);
break;
}
}
public void logFailed(DataFileGroupInternal fileGroup) {
switch (operation) {
case DOWNLOAD:
logEventWithDataFileGroup(0, fileGroup);
break;
case IMPORT:
logEventWithDataFileGroup(0, fileGroup);
break;
}
}
public void logComplete(DataFileGroupInternal fileGroup) {
switch (operation) {
case DOWNLOAD:
logEventWithDataFileGroup(0, fileGroup);
logDownloadLatency(fileGroup);
break;
case IMPORT:
logEventWithDataFileGroup(0, fileGroup);
break;
}
}
private void logDownloadLatency(DataFileGroupInternal fileGroup) {
// This operation only makes sense for download operation, exit early if it's not the download
// operation.
if (operation != Operation.DOWNLOAD) {
return;
}
Void fileGroupDetails = null;
DataFileGroupBookkeeping bookkeeping = fileGroup.getBookkeeping();
long newFilesReceivedTimestamp = bookkeeping.getGroupNewFilesReceivedTimestamp();
long downloadStartedTimestamp = bookkeeping.getGroupDownloadStartedTimestampInMillis();
long downloadCompleteTimestamp = bookkeeping.getGroupDownloadedTimestampInMillis();
Void downloadLatency = null;
eventLogger.logMddDownloadLatency(fileGroupDetails, downloadLatency);
}
private void logEventWithDataFileGroup(int code, DataFileGroupInternal fileGroup) {
eventLogger.logEventSampled(
code,
fileGroup.getGroupName(),
fileGroup.getFileGroupVersionNumber(),
fileGroup.getBuildId(),
fileGroup.getVariantId());
}
}
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