2 files changed, 76 insertions, 1 deletions

diff --git a/src/data.rs b/src/data.rs
index f652a13..6976352 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -14,3 +14,29 @@ pub fn get_data1() -> SimpleFsData {
         1, vec!(("hello".to_string(),
                  SimpleFsData::File(2, "Hello, World!".to_string()))))
 }
+
+pub fn traverse_fs<F>(file: SimpleFsData, f: &mut F)
+    where F: FnMut(& SimpleFsData) {
+    f(&file);
+    match file {
+        SimpleFsData::Directory(_, children) => for (_, file) in children {
+           traverse_fs(file, f);
+        },
+        _ => (),
+    }
+}
+
+#[test]
+fn traverse() {
+    let mut result = String::new();
+    {
+        let mut f = |ref file: &SimpleFsData| {
+            match *file {
+                &SimpleFsData::File(_, ref s) => result += &s,
+                _ => (),
+            };
+        };
+        traverse_fs(get_data1(), &mut f);
+    }
+    assert_eq!("Hello, World!", result);
+}
diff --git a/src/main.rs b/src/main.rs
index 9ad2982..1fc8e53 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,17 +1,66 @@
 extern crate fuse;
 extern crate libc;
 extern crate rafs;
+extern crate time;
 
 use rafs::data::get_data1;
 use rafs::data::SimpleFsData;
-use fuse::{Filesystem, Request, ReplyEntry, ReplyAttr, ReplyDirectory, ReplyData};
+use fuse::{Filesystem, Request, ReplyEntry, ReplyAttr, ReplyDirectory, ReplyData, FileAttr, FileType};
 use libc::ENOENT;
 use std::ffi::OsStr;
+use time::Timespec;
 
 struct MemFs {
     data: SimpleFsData,
 }
 
+const CREATE_TIME: Timespec = Timespec { sec: 1494802762, nsec: 0 };
+
+fn getAttr(file: SimpleFsData) -> FileAttr {
+    fn fileAttr(ino: u64, len: usize) -> FileAttr {
+        FileAttr {
+            ino: ino,
+            size: len as u64,
+            blocks: 1,
+            atime: CREATE_TIME,
+            mtime: CREATE_TIME,
+            ctime: CREATE_TIME,
+            crtime: CREATE_TIME,
+            kind: FileType::RegularFile,
+            perm: 0o755,
+            nlink: 1,
+            uid: 501,
+            gid: 20,
+            rdev: 0,
+            flags: 0,
+        }
+    }
+
+    fn dirAttr(ino: u64, children: usize) -> FileAttr {
+        FileAttr {
+            ino: ino,
+            size: 0,
+            blocks: 1,
+            atime: CREATE_TIME,
+            mtime: CREATE_TIME,
+            ctime: CREATE_TIME,
+            crtime: CREATE_TIME,
+            kind: FileType::Directory,
+            perm: 0o755,
+            nlink: children as u32,
+            uid: 501,
+            gid: 20,
+            rdev: 0,
+            flags: 0,
+        }
+    }
+
+    match file {
+        SimpleFsData::File(ino, name) => fileAttr(ino, name.len()),
+        SimpleFsData::Directory(ino, children) => dirAttr(ino, children.len()),
+    }
+}
+
 impl Filesystem for MemFs {
     fn lookup(&mut self, _req: &Request, _parent: u64, _name: &OsStr,
               reply: ReplyEntry) {