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Code Issues Projects Releases Wiki Activity

Lock databases during backup export.

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This commit is contained in:
Matthew Chen 2018-01-04 18:17:53 -05:00
parent b77382f99c
commit cb4b44b8f4
1 changed files with 16 additions and 10 deletions
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26
Signal/src/util/OWSBackup.m
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@ -188,16 +188,22 @@ NS_ASSUME_NONNULL_BEGIN
backupDirPath:backupDirPath]) {
return;
}
if (![self copyDirectory:OWSFileSystem.appDocumentDirectoryPath
dstDirName:@"appDocumentDirectoryPath"
backupDirPath:backupDirPath]) {
return;
}
if (![self copyDirectory:OWSFileSystem.appSharedDataDirectoryPath
dstDirName:@"appSharedDataDirectoryPath"
backupDirPath:backupDirPath]) {
return;
}
// Use a read/write transaction to acquire a file lock on the database files.
//
// TODO: If we use multiple database files, lock them too.
[TSStorageManager.sharedManager.newDatabaseConnection
readWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
if (![self copyDirectory:OWSFileSystem.appDocumentDirectoryPath
dstDirName:@"appDocumentDirectoryPath"
backupDirPath:backupDirPath]) {
return;
}
if (![self copyDirectory:OWSFileSystem.appSharedDataDirectoryPath
dstDirName:@"appSharedDataDirectoryPath"
backupDirPath:backupDirPath]) {
return;
}
}];
if (![self zipDirectory:backupDirPath dstFilePath:backupZipPath]) {
return;
}