Disk manager updated

disk_manager_utility.c

@@ -1,42 +1,35 @@
-#include "lsfs_disk_controller.h"
+#include <sys/stat.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include "lsfs_disk_controller.h"
+
 
 static int disk_is_loaded = 0;
 static char loaded_disk_name[256];
 static char input_buffer[256];
 
-#if 0
-typedef struct sector_data
-{
-    char data[SECTOR_SIZE];
-} sector_data;
-
-int dmu_print_file(lsfs_file_id fileID) {
+int dmu_print_file(char *path) {
     printf("\n|-----------------Meta Information For File-----------------|\n");
-    mif* mif_data = calloc(1, SECTOR_SIZE); 
-    read_data_from_disk(fileID, mif_data);
-    printf("File ID: %lu\n", fileID);
-    printf("Filename: %s\n", mif_data->filename);
-    printf("Owner id: %d\n", mif_data->owner_id);
-    printf("Tags (id):");    
-    for (int i = 0; i < MAX_TAGS_IN_TAG_TABLE; ++i)
-    {
-        if(mif_data->tags[i] == 0) {
-            break;
-        }
-        printf("%lu\n", mif_data->tags[i]);    
+    
+    lsfs_file *file = calloc(1, sizeof(lsfs_file)); 
+    lsfs_disk_getattr(file, path);
 
-    }
-    printf("Control_bits: %d\n", mif_data->control_bits);
-    printf("Creation date: %lu\n", mif_data->creation_date);    
-    printf("Last modified: %lu\n", mif_data->last_modification_data);    
-    printf("Last accessed: %lu\n", mif_data->last_access_date);
+
+    printf("File ID: %lu\n", file->file_id);
+    printf("Filename: %s\n", file->filename);
+    printf("File size: %s\n", file->size);
+    printf("Entry kind: %d", file->entry_kind);
+    printf("Index in directory table: %d", file->table_entry_pointer);
+    printf("Sector index on disk: %lu\n", file->table_entry_sector_index);
     printf("\nData pointers:\n");
-    printf("%lu\n", mif_data->one_level_pointer_data[0]);
-    printf("%lu\n", mif_data->one_level_pointer_data[1]);
-    printf("%lu\n", mif_data->one_level_pointer_data[2]);    
-
+    for (int i = 0; i < NUM_DATA_POINTERS; ++i)
+    {
+        printf("%lu\n", file->data_pointer[i]);
+    }
+    /*
     printf("\n|-------------------------File Data-------------------------|\n");
     char* file_data = calloc(MAX_NUM_ONE_LEVEL_DATA, SECTOR_SIZE);
     int size_of_data = 0; 
@@ -55,9 +48,17 @@ int dmu_print_file(lsfs_file_id fileID) {
         size_of_data -= SECTOR_SIZE;
     }
     printf("\n|---------------------End File Data-------------------------|\n");
+    */
     return 1;
 }
 
+#if 0
+typedef struct sector_data
+{
+    char data[SECTOR_SIZE];
+} sector_data;
+
+
 int dmu_install_SingOS(char* disk_name) {
     disk = fopen ( disk_name , "r+b" );
     p_control.fsci = malloc(sizeof(FSCI));
@@ -145,6 +146,11 @@ int dmu_install_bootloader(char* disk_name) {
     return 1; 
 }
 
+int dmu_install_vbr(char* disk_name) {
+    lsfs_disk_install_vbr(disk_name);
+    return 1; 
+}
+
 int dmu_print_mtt(char *path) {
     Directory_Table *directory_table;
     if (strcmp(path, "/") != 0) 
@@ -217,16 +223,28 @@ int main (int argc, char *argv[])
             dmu_load_file_system(loaded_disk_name);
         }
         else if(strcmp(chose, "i") == 0) {
-            printf("\nLoad disk\nEnter filename:\n");
+            printf("\nInstall Bootloader\nEnter filename:\n");
             scanf("%s", input_buffer);
             dmu_install_bootloader(input_buffer);
         }
+        else if(strcmp(chose, "v") == 0) {
+            printf("\nInstall VBR\nEnter filename:\n");
+            scanf("%s", input_buffer);
+            dmu_install_vbr(input_buffer);
+        }
         else if(strcmp(chose, "1") == 0) {
             // Print Directory:
             printf("Enter Directory:\n");  
             scanf("%s", input_buffer);
             dmu_print_mtt(input_buffer);
         }
+        else if(strcmp(chose, "3") == 0) {
+            // Print File
+            printf("Enter path:\n");
+            scanf("%s", input_buffer);
+            
+            dmu_print_file( input_buffer );
+        }
         else if(strcmp(chose, "5") == 0) {
             printf("Enter Directory:\n");  
             scanf("%s", input_buffer);
@@ -244,13 +262,6 @@ int main (int argc, char *argv[])
             
             dmu_print_tag_table( (lsfs_tag_id) atoi(input_buffer) );
         }
-        else if(strcmp(chose, "3") == 0) {
-            // Print Master Tag Table
-            printf("File ID:\n");
-            scanf("%s", input_buffer);
-            
-            dmu_print_file( (lsfs_file_id) atoi(input_buffer) );
-        }
         else if(strcmp(chose, "4") == 0) {
             // Print Master Tag Table
             printf("Enter Tag name:\n");

lsfs_disk_controller.h

@@ -609,6 +609,21 @@ int lsfs_disk_install_bootloader(char *bootloader_name)
     return 0;
 }
 
+int lsfs_disk_install_vbr(char *vbr_path)
+{
+    struct stat st;
+    stat(vbr_path, &st);
+    FILE *vbr = fopen ( vbr_path , "r+b" );
+    void *vbr_buffer = calloc(1, (SPACE_VBR_RECORD * SECTOR_SIZE));
+    
+
+    fseek(vbr, 0, SEEK_SET);
+    fread(vbr_buffer, 1, st.st_size, vbr);
+
+    write_data_to_disk((p_control.fsci.this_partition_offset_on_disk - SPACE_VBR_RECORD), SPACE_VBR_RECORD, vbr); // Write this to the first sector of the disk. 
+    return 0;
+}
+
 
 int lsfs_disk_load_disk() {
     // Find the partition talbe: