Improve pre-migration testing tools.

Signal/src/AppDelegate.m

@@ -785,16 +785,16 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
 
     self.isEnvironmentSetup = YES;
 
-#ifdef DEBUG
-    // A bug in orphan cleanup could be disastrous so let's only
-    // run it in DEBUG builds for a few releases.
-    //
-    // TODO: Release to production once we have analytics.
-    // TODO: Orphan cleanup is somewhat expensive - not least in doing a bunch
-    //       of disk access.  We might want to only run it "once per version"
-    //       or something like that in production.
-    [OWSOrphanedDataCleaner auditAndCleanupAsync:nil];
-#endif
+    //#ifdef DEBUG
+    //    // A bug in orphan cleanup could be disastrous so let's only
+    //    // run it in DEBUG builds for a few releases.
+    //    //
+    //    // TODO: Release to production once we have analytics.
+    //    // TODO: Orphan cleanup is somewhat expensive - not least in doing a bunch
+    //    //       of disk access.  We might want to only run it "once per version"
+    //    //       or something like that in production.
+    //    [OWSOrphanedDataCleaner auditAndCleanupAsync:nil];
+    //#endif
 
     [OWSProfileManager.sharedManager fetchLocalUsersProfile];
     [[OWSReadReceiptManager sharedManager] prepareCachedValues];

Signal/src/ViewControllers/DebugUI/DebugUIMessages.m

@@ -128,6 +128,10 @@ NS_ASSUME_NONNULL_BEGIN
                         actionBlock:^{
                             [DebugUIMessages sendFakeMessages:100 * 1000 thread:thread];
                         }],
+        [OWSTableItem itemWithTitle:@"Create 100k fake text messages"
+                        actionBlock:^{
+                            [DebugUIMessages sendFakeMessages:100 * 1000 thread:thread isTextOnly:YES];
+                        }],
         [OWSTableItem itemWithTitle:@"Create 1 fake unread messages"
                         actionBlock:^{
                             [DebugUIMessages createFakeUnreadMessages:1 thread:thread];
@@ -983,27 +987,42 @@ NS_ASSUME_NONNULL_BEGIN
 
 + (void)sendFakeMessages:(NSUInteger)counter thread:(TSThread *)thread
 {
+    [self sendFakeMessages:counter thread:thread isTextOnly:NO];
+}
+
++ (void)sendFakeMessages:(NSUInteger)counter thread:(TSThread *)thread isTextOnly:(BOOL)isTextOnly
+{
+    const NSUInteger kMaxBatchSize = 2500;
+    if (counter < kMaxBatchSize) {
+        [TSStorageManager.dbReadWriteConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
+            [self sendFakeMessages:counter thread:thread isTextOnly:isTextOnly transaction:transaction];
+        }];
+    } else {
+        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
             NSUInteger remainder = counter;
             while (remainder > 0) {
-        NSUInteger batchSize = MIN((NSUInteger)2500, remainder);
+                NSUInteger batchSize = MIN(kMaxBatchSize, remainder);
                 [TSStorageManager.dbReadWriteConnection
                     readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
-                [self sendFakeMessages:counter thread:thread transaction:transaction];
+                        [self sendFakeMessages:batchSize thread:thread isTextOnly:isTextOnly transaction:transaction];
                     }];
                 remainder -= batchSize;
                 DDLogInfo(@"%@ sendFakeMessages %zd / %zd", self.logTag, counter - remainder, counter);
             }
+        });
+    }
 }
 
 + (void)sendFakeMessages:(NSUInteger)counter
                   thread:(TSThread *)thread
+              isTextOnly:(BOOL)isTextOnly
              transaction:(YapDatabaseReadWriteTransaction *)transaction
 {
     DDLogInfo(@"%@ sendFakeMessages: %zd", self.logTag, counter);
 
     for (NSUInteger i = 0; i < counter; i++) {
         NSString *randomText = [self randomText];
-        switch (arc4random_uniform(4)) {
+        switch (arc4random_uniform(isTextOnly ? 2 : 4)) {
             case 0: {
                 TSIncomingMessage *message =
                     [[TSIncomingMessage alloc] initWithTimestamp:[NSDate ows_millisecondTimeStamp]
@@ -1038,6 +1057,7 @@ NS_ASSUME_NONNULL_BEGIN
                                                             relay:@""
                                                    sourceFilename:@"test.mp3"
                                                    attachmentType:TSAttachmentTypeDefault];
+                pointer.state = TSAttachmentPointerStateFailed;
                 [pointer saveWithTransaction:transaction];
                 TSIncomingMessage *message =
                     [[TSIncomingMessage alloc] initWithTimestamp:[NSDate ows_millisecondTimeStamp]
@@ -1280,7 +1300,7 @@ NS_ASSUME_NONNULL_BEGIN
         },
         ^(YapDatabaseReadWriteTransaction *transaction) {
             NSUInteger messageCount = (NSUInteger)(1 + arc4random_uniform(4));
-            [self sendFakeMessages:messageCount thread:thread transaction:transaction];
+            [self sendFakeMessages:messageCount thread:thread isTextOnly:NO transaction:transaction];
         },
         ^(YapDatabaseReadWriteTransaction *transaction) {
             NSUInteger messageCount = (NSUInteger)(1 + arc4random_uniform(4));

SignalServiceKit/src/Storage/TSStorageManager.m

@@ -141,6 +141,10 @@ void runAsyncRegistrationsForStorage(OWSStorage *storage)
 
 + (void)protectFiles
 {
+    DDLogInfo(@"%@ Database file size: %@", self.logTag, [OWSFileSystem fileSizeOfPath:self.legacyDatabaseFilePath]);
+    DDLogInfo(@"%@ \t SHM file size: %@", self.logTag, [OWSFileSystem fileSizeOfPath:self.legacyDatabaseFilePath_SHM]);
+    DDLogInfo(@"%@ \t WAL file size: %@", self.logTag, [OWSFileSystem fileSizeOfPath:self.legacyDatabaseFilePath_WAL]);
+
     // The old database location was in the Document directory,
     // so protect the database files individually.
     [OWSFileSystem protectFileOrFolderAtPath:self.legacyDatabaseFilePath];

SignalServiceKit/src/Util/OWSFileSystem.h

@@ -35,6 +35,8 @@ NS_ASSUME_NONNULL_BEGIN
 // Returns nil on failure.
 + (nullable NSString *)writeDataToTemporaryFile:(NSData *)data fileExtension:(NSString *_Nullable)fileExtension;
 
++ (nullable NSNumber *)fileSizeOfPath:(NSString *)filePath;
+
 @end
 
 NS_ASSUME_NONNULL_END

SignalServiceKit/src/Util/OWSFileSystem.m

@@ -200,6 +200,20 @@ NS_ASSUME_NONNULL_BEGIN
     return tempFilePath;
 }
 
++ (nullable NSNumber *)fileSizeOfPath:(NSString *)filePath
+{
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSError *_Nullable error;
+    unsigned long long fileSize =
+        [[fileManager attributesOfItemAtPath:filePath error:&error][NSFileSize] unsignedLongLongValue];
+    if (error) {
+        DDLogError(@"%@ Couldn't fetch file size[%@]: %@", self.logTag, filePath, error);
+        return nil;
+    } else {
+        return @(fileSize);
+    }
+}
+
 @end
 
 NS_ASSUME_NONNULL_END