47 uint32_t FileNode::getLastWrittenValue(const std::string& nodeName) {  in getLastWrittenValue()  argument
48     int fd = getFileHandler(nodeName);  in getLastWrittenValue()
53 std::optional<std::string> FileNode::readString(const std::string& nodeName) {  in readString()  argument
54     std::string fullPath = mNodePath + nodeName;  in readString()
64 bool FileNode::WriteUint32(const std::string& nodeName, uint32_t value) {  in WriteUint32()  argument
65     int fd = getFileHandler(nodeName);  in WriteUint32()
71                   mNodePath.c_str(), nodeName.c_str(), ret, errno);  in WriteUint32()
75         ALOGE("Write to invalid file node %s%s", mNodePath.c_str(), nodeName.c_str());  in WriteUint32()
82 int FileNode::getFileHandler(const std::string& nodeName) {  in getFileHandler()  argument
83     if (mFds.count(nodeName) > 0) {  in getFileHandler()
84         return mFds[nodeName];  in getFileHandler()
86     std::string fullPath = mNodePath + nodeName;  in getFileHandler()
92     mFds[nodeName] = fd;  in getFileHandler()