ajout de directory.rs

src/filesys/filehdr.rs

@@ -1,4 +1,3 @@
-use crate::simulator::disk;
 use crate::{simulator::disk::SECTOR_SIZE, utility::bitmap::BitMap};
 pub const MAX_HEADER_SECTORS: i32 = 32;
 pub const DATAS_IN_FIRST_SECTOR: i32 = (SECTOR_SIZE - 5 * 8) /8; 
@@ -8,6 +7,11 @@ pub const MAX_FILE_LENGTH: i32 = ((MAX_DATA_SECTORS) * SECTOR_SIZE);
 
 use crate::DrvDisk;
 use crate::Disk;
+use crate::OpenFile;
+
+use std::mem;
+
+use super::openfile::OpenFile;
 
 pub struct FileHdr {
     is_dir: i32,
@@ -20,18 +24,19 @@ pub struct FileHdr {
 
 impl FileHdr { 
 
-    //Juste histoire d'avoir un constructeur, temporaire
-    pub fn new() -> FileHdr {
-        FileHdr{
-            is_dir : 0,
-            num_bytes : 0,
-            num_sectors : 0,
-            data_sectors : Vec::new(),
-            num_header_sectors : 0,
-            header_sectors : [0 ; MAX_HEADER_SECTORS as usize]
+
+    pub fn init_file_hdr() -> FileHdr {
+        FileHdr { 
+            is_dir: 0, 
+            num_bytes: 0, 
+            num_sectors: 0, 
+            data_sectors: Vec::new(), 
+            num_header_sectors: 0, 
+            header_sectors: [0;MAX_HEADER_SECTORS as usize],
         }
     }
 
+
     pub fn allocate(&mut self, mut free_map: BitMap, file_size: i32) -> bool {
         self.num_bytes = file_size;
         if file_size > MAX_FILE_LENGTH {
@@ -96,7 +101,14 @@ impl FileHdr {
         }
     }
 
-    //TODO: fetchFrom WriteBack
+    pub fn fetch_from(&self, file: OpenFile) {
+        file.read_at(self.table,self.table_size * mem::size_of::<DirectoryEntry>() as i32);
+    }
+
+    pub fn write_back(&self, file: OpenFile) {
+        file.write_at(self.table,self.table_size * mem::size_of::<DirectoryEntry>() as i32);
+    }
+
 
 
     pub fn byte_to_sector(&self,offset: i32) -> i32 {