Open a path, returning a handle to read/write and the length of the string matched.
(&self,
path: &str)
| 55 | /// Open a path, returning a handle to read/write and the |
| 56 | /// length of the string matched. |
| 57 | pub fn open(&self, |
| 58 | path: &str) -> Option<(Arc<RwLock<Rendezvous>>, usize)> { |
| 59 | let mounts = self.0.read(); |
| 60 | let mut found: Option<(usize, usize)> = None; |
| 61 | for (i, mount_path) in mounts.iter().enumerate() { |
| 62 | if path.starts_with(&mount_path.0) { |
| 63 | let len = mount_path.0.len(); |
| 64 | if path.len() > len { |
| 65 | // The path should be a subdirectory |
| 66 | // - the next character in path should be "/" |
| 67 | // Note: str.len() is bytes, not characters |
| 68 | if path.as_bytes()[len] != b'/' { |
| 69 | // Not this path |
| 70 | continue; |
| 71 | } |
| 72 | } |
| 73 | // Choose the longest match |
| 74 | if let Some((_, maxlen)) = found { |
| 75 | if len > maxlen { |
| 76 | found = Some((i, len)); |
| 77 | } |
| 78 | } else { |
| 79 | found = Some((i, len)); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | if let Some((ind, match_len)) = found { |
| 84 | return Some((mounts[ind].1.clone(), match_len)); |
| 85 | } |
| 86 | None |
| 87 | } |
| 88 | |
| 89 | /// Return a list of mount points as a JSON string |
| 90 | pub fn to_json(&self) -> String { |