The language of MMKV
Objective-C & Swift
The version of MMKV
1.2.14
The platform of MMKV
iOS
The installation of MMKV
Cocoapods
What's the issue?
I am building an iOS Keyboard Extension. The keyboard does not require OpenAccess, meaning the app extension does not have write capabilities. Initialization of MMKV is failing because it opens the file with read & write. Is it possible to configure a read-only mode?
[I] <MMKV.cpp:207::initializeMMKV> root dir: /var/mobile/Containers/Data/PluginKitPlugin/348876A7-DA00-425D-A17A-927902D2B39C/Documents/mmkv
[I] <libMMKV.mm:115::+[MMKV initializeMMKV:groupDir:logLevel:]>
groupDir:
/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv
[D] <libMMKV.mm:721::+[MMKV mmapKeyWithMMapID:rootPath:]> mmapKey: 893c7e6db2d602f7ff1df4cf29ac1b50
[I] <MMKV.cpp:234::mmkvWithID> prepare to load default.mmkv (id 893c7e6db2d602f7ff1df4cf29ac1b50) from rootPath /private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv
[E] <MemoryFile.cpp:94::open> fail to open [/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv], 1(Operation not permitted)
[E] <MemoryFile.cpp:94::open> fail to open [/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv], 1(Operation not permitted)
[E] <MemoryFile.cpp:208::reloadFromFile> fail to open:/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv, Undefined error: 0
[E] <MemoryFile.cpp:94::open> fail to open [/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv.crc], 1(Operation not permitted)
[E] <MemoryFile.cpp:94::open> fail to open [/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv.crc], 1(Operation not permitted)
[E] <MemoryFile.cpp:208::reloadFromFile> fail to open:/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv.crc, Undefined error: 0
[E] <MemoryFile.cpp:94::open> fail to open [/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv], 1(Operation not permitted)
[E] <MemoryFile.cpp:208::reloadFromFile> fail to open:/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv, Undefined error: 0
[E] <MMKV_IO.cpp:74::loadFromFile> file [/private/var/mobile/Containers/Shared/AppGroup/307129F1-4DB2-4AC3-B519-4D29E8FA9F3C/mmkv/default.mmkv] not valid
I've "fixed" this by changing MemoryFile.cpp:94 from
m_fd = ::open(m_path.c_str(), OpenFlag2NativeFlag(m_flag), S_IRWXU);
to
m_fd = ::open(m_path.c_str(), O_RDONLY);
and MemoryFile.cpp:188 from
m_ptr = (char *) ::mmap(m_ptr, m_size, PROT_READ | PROT_WRITE, MAP_SHARED, m_diskFile.m_fd, 0);
to
m_ptr = (char *) ::mmap(m_ptr, m_size, PROT_READ, MAP_SHARED, m_diskFile.m_fd, 0);
The language of MMKV
Objective-C & Swift
The version of MMKV
1.2.14
The platform of MMKV
iOS
The installation of MMKV
Cocoapods
What's the issue?
I am building an iOS Keyboard Extension. The keyboard does not require OpenAccess, meaning the app extension does not have write capabilities. Initialization of MMKV is failing because it opens the file with read & write. Is it possible to configure a read-only mode?
I've "fixed" this by changing
MemoryFile.cpp:94fromto
m_fd = ::open(m_path.c_str(), O_RDONLY);and
MemoryFile.cpp:188fromto