[scorpio]: Dictionary Readonly fuse.sys. promote work. unstable.

scorpio/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-fuse-backend-rs = "0.12.0"
+fuse-backend-rs = { version = "0.12.0"}
 fuser = "0.14.0"
 libc = "0.2.155"
 log = "0.4.22"

scorpio/src/dicfuse/fuse.rs

@@ -0,0 +1,57 @@
+use std::time::Duration;
+
+use libc::stat64;
+use fuse_backend_rs::{abi::fuse_abi::Attr, api::filesystem::Entry};
+const BLOCK_SIZE: u32 = 512;
+fn default_stat64(inode:u64) -> stat64 {
+    let t = Attr{
+        ino: inode,                       // Default inode number
+        size: 0,                      // Default file size
+        blocks: 0,                    // Default number of blocks
+        atime: 0,                     // Default last access time
+        mtime: 0,                     // Default last modification time
+        ctime: 0,                     // Default last status change time
+        atimensec: 0,                 // Default nanoseconds of last access time
+        mtimensec: 0,                 // Default nanoseconds of last modification time
+        ctimensec: 0,                 // Default nanoseconds of last status change time
+        mode: 0o444,                  // Default file mode (r--r--r--)
+        nlink: 1,                     // Default number of hard links
+        uid: 1000,                    // Default user ID
+        gid: 1000,                    // Default group ID
+        rdev: 0,                      // Default device ID
+        blksize: BLOCK_SIZE,          // Default block size
+        flags: 0,                     // Default flags
+    };
+    t.into()
+}
+#[allow(unused)]
+pub fn default_entry(inode:u64) -> Entry {
+    Entry{
+        inode,
+        generation: 0,
+        attr:  default_stat64(inode),
+        attr_flags: 0,
+        attr_timeout: Duration::from_secs(u64::MAX),
+        entry_timeout: Duration::from_secs(u64::MAX),
+    } // Return a default Entry instance
+}
+// pub struct stat64 {
+//     pub st_dev: ::dev_t,          // Device ID of the device containing the file
+//     pub st_ino: ::ino64_t,        // Inode number of the file
+//     pub st_nlink: ::nlink_t,      // Number of hard links to the file
+//     pub st_mode: ::mode_t,        // File type and mode (permissions)
+//     pub st_uid: ::uid_t,          // User ID of the file's owner
+//     pub st_gid: ::gid_t,          // Group ID of the file's owner
+//     __pad0: ::c_int,              // Padding for alignment (not used)
+//     pub st_rdev: ::dev_t,         // Device ID (if the file is a special file)
+//     pub st_size: ::off_t,         // Total size of the file in bytes
+//     pub st_blksize: ::blksize_t,  // Block size for filesystem I/O
+//     pub st_blocks: ::blkcnt64_t,  // Number of blocks allocated for the file
+//     pub st_atime: ::time_t,       // Time of last access
+//     pub st_atime_nsec: i64,       // Nanoseconds of last access time
+//     pub st_mtime: ::time_t,       // Time of last modification
+//     pub st_mtime_nsec: i64,       // Nanoseconds of last modification time
+//     pub st_ctime: ::time_t,       // Time of last status change
+//     pub st_ctime_nsec: i64,       // Nanoseconds of last status change time
+//     __reserved: [i64; 3],         // Reserved for future use (not used)
+// }