[Hotfix] Add perf monitoring trace for file encryption time

app/src/org/commcare/google/services/analytics/CCPerfMonitoring.kt

@@ -2,6 +2,7 @@ package org.commcare.google.services.analytics
 
 import com.google.firebase.perf.FirebasePerformance
 import com.google.firebase.perf.metrics.Trace
+import org.apache.commons.io.FilenameUtils
 import org.commcare.android.logging.ReportingUtils
 import org.javarosa.core.services.Logger
 
@@ -12,6 +13,7 @@ object CCPerfMonitoring {
     const val TRACE_APP_SYNC_DURATION = "app_sync_duration"
     const val TRACE_CASE_SEARCH_TIME = "case_search_time"
     const val TRACE_FORM_LOADING_TIME = "form_loading_time"
+    const val TRACE_FILE_ENCRYPTION_TIME = "file_encryption_time"
 
     // Attributes
     const val ATTR_NUM_CASES_LOADED = "number_of_cases_loaded"
@@ -22,6 +24,8 @@ object CCPerfMonitoring {
     const val ATTR_SYNC_TYPE = "sync_type"
     const val ATTR_FORM_NAME = "form_name"
     const val ATTR_FORM_XMLNS = "form_xmlns"
+    const val ATTR_FILE_SIZE_BYTES = "file_size_bytes"
+    const val ATTR_FILE_TYPE = "file_type"
 
     fun startTracing(traceName: String): Trace? {
         try {
@@ -46,4 +50,16 @@ object CCPerfMonitoring {
             Logger.exception("Error stopping perf trace: ${trace.name}", exception)
         }
     }
+
+    fun stopFileEncryptionTracing(trace: Trace, fileSizeBytes: Long, fileName: String) {
+        try {
+            val attrs: MutableMap<String, String> = HashMap()
+            attrs[ATTR_FILE_SIZE_BYTES] = fileSizeBytes.toString()
+            attrs[ATTR_FILE_TYPE] = FilenameUtils.getExtension(fileName)
+            stopTracing(trace, attrs)
+        } catch (e: java.lang.Exception) {
+            Logger.exception("Failed to stop tracing: ${trace.name}", e)
+        }
+    }
+
 }

app/src/org/commcare/models/database/HybridFileBackedSqlStorage.java

@@ -3,7 +3,10 @@
 import android.content.ContentValues;
 import android.database.Cursor;
 
+import com.google.firebase.perf.metrics.Trace;
+
 import org.commcare.CommCareApplication;
+import org.commcare.google.services.analytics.CCPerfMonitoring;
 import org.commcare.interfaces.AppFilePathBuilder;
 import org.commcare.models.encryption.EncryptionIO;
 import org.commcare.modern.database.DatabaseHelper;
@@ -328,6 +331,8 @@ protected byte[] generateKeyAndAdd(ContentValues contentValues) {
 
     private void writeStreamToFile(ByteArrayOutputStream bos, String filename,
                                    byte[] key) throws IOException {
+        Trace trace = CCPerfMonitoring.INSTANCE.startTracing(CCPerfMonitoring.TRACE_FILE_ENCRYPTION_TIME);
+
         DataOutputStream fileOutputStream = null;
         try {
             fileOutputStream = getOutputFileStream(filename, key);
@@ -340,6 +345,7 @@ private void writeStreamToFile(ByteArrayOutputStream bos, String filename,
                     e.printStackTrace();
                 }
             }
+            CCPerfMonitoring.INSTANCE.stopFileEncryptionTracing(trace, bos.size(), filename);
         }
     }
 

app/src/org/commcare/models/encryption/EncryptionIO.java

@@ -1,5 +1,8 @@
 package org.commcare.models.encryption;
 
+import com.google.firebase.perf.metrics.Trace;
+
+import org.commcare.google.services.analytics.CCPerfMonitoring;
 import org.commcare.util.LogTypes;
 import org.javarosa.core.io.StreamsUtil;
 import org.javarosa.core.services.Logger;
@@ -10,6 +13,7 @@
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.security.InvalidKeyException;
@@ -28,13 +32,17 @@
  */
 public class EncryptionIO {
 
-    public static void encryptFile(String sourceFilePath, String destPath, SecretKeySpec symetricKey) throws FileNotFoundException,
-            StreamsUtil.InputIOException, StreamsUtil.OutputIOException {
+    public static void encryptFile(String sourceFilePath, String destPath, SecretKeySpec symetricKey) throws IOException {
+        Trace trace = CCPerfMonitoring.INSTANCE.startTracing(CCPerfMonitoring.TRACE_FILE_ENCRYPTION_TIME);
+
         OutputStream os;
         FileInputStream is;
         os = createFileOutputStream(destPath, symetricKey);
         is = new FileInputStream(sourceFilePath);
+        int fileSize = is.available();
         StreamsUtil.writeFromInputToOutputNew(is, os);
+
+        CCPerfMonitoring.INSTANCE.stopFileEncryptionTracing(trace, fileSize, sourceFilePath);
     }
 
     public static OutputStream createFileOutputStream(String filename,

app/src/org/commcare/tasks/SaveToDiskTask.java

@@ -1,11 +1,14 @@
 package org.commcare.tasks;
 
+import com.google.firebase.perf.metrics.Trace;
+
 import org.commcare.CommCareApplication;
 import org.commcare.activities.FormEntryActivity;
 import org.commcare.activities.components.ImageCaptureProcessing;
 import org.commcare.android.database.app.models.FormDefRecord;
 import org.commcare.android.database.user.models.FormRecord;
 import org.commcare.android.logging.ForceCloseLogger;
+import org.commcare.google.services.analytics.CCPerfMonitoring;
 import org.commcare.interfaces.FormSavedListener;
 import org.commcare.logging.XPathErrorLogger;
 import org.commcare.models.database.SqlStorage;
@@ -36,6 +39,8 @@
 
 import javax.crypto.spec.SecretKeySpec;
 
+import static org.commcare.utils.FileUtil.XML_EXTENSION;
+
 /**
  * @author Carl Hartung (carlhartung@gmail.com)
  * @author Yaw Anokwa (yanokwa@gmail.com)
@@ -257,11 +262,14 @@ private void exportData(boolean markCompleted)
     }
 
     private void writeXmlToStream(ByteArrayPayload payload, OutputStream output) throws IOException {
+        Trace trace = CCPerfMonitoring.INSTANCE.startTracing(CCPerfMonitoring.TRACE_FILE_ENCRYPTION_TIME);
+
         try {
             InputStream is = payload.getPayloadStream();
             StreamsUtil.writeFromInputToOutput(is, output);
         } finally {
             output.close();
+            CCPerfMonitoring.INSTANCE.stopFileEncryptionTracing(trace, payload.getLength(), XML_EXTENSION);
         }
     }
 

app/src/org/commcare/utils/FileUtil.java

@@ -67,6 +67,7 @@ public class FileUtil {
     private static final int WARNING_SIZE = 3000;
 
     private static final String LOG_TOKEN = "cc-file-util";
+    public static final String XML_EXTENSION = "xml";
 
     private static final String[] EXIF_TAGS = {
             ExifInterface.TAG_GPS_LATITUDE,