#!/usr/bin/python
+##
+## YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+##
+## Copyright (C) 2002-2010 Aleph One Ltd.
+## for Toby Churchill Ltd and Brightstar Engineering
+##
+## Created by Timothy Manning <timothy@yaffs.net>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License version 2 as
+## published by the Free Software Foundation.
+##
+
import Tkinter as tk
from yaffsfs import *
#import examples
import ctypes
-yaffs_StartUp()
-yaffs_mount("yaffs2/")
+yaffs_start_up()
+yaffs_mount("/yaffs2/")
root_window =tk.Tk()
root_window.title("YAFFS Browser")
mount_list_text_variable=tk.StringVar()
-mount_list_text_variable.set("yaffs2/")
+mount_list_text_variable.set("/yaffs2/")
current_directory_dict={}
open_windows_list=[]
save_button=[]
file_contents=0
file_path=0
+ isLink=0
def save_file(self):
- #global current_directory_dict
- print "saving the file"
- print self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
- yaffs_lseek(self.yaffs_handle, 0, 0)
- data_to_be_written=self.file_editor_text.get("1.0", tk.END)
- print "data to be saved", data_to_be_written
- length_of_file=len(data_to_be_written)
- print "length of data to be written",length_of_file
- output=yaffs_write(self.yaffs_handle,data_to_be_written , length_of_file)
- print "output", output
- yaffs_ftruncate(self.yaffs_handle, length_of_file)
- yaffs_close(self.yaffs_handle)
-
- self.yaffs_handle = yaffs_open(self.file_path,66,0666)
+ if self.isLink==True:
+ target_path=self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
+ target_path=target_path[0:len(target_path)-1]
+ new_path=self.file_path
+ print "creating a symlink \n target:##", target_path, "##"
+ target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
+ if target_file_exists>=0:
+ ##file exists,create symlink
+ print "target file exist, creating symlink"
+ yaffs_unlink(new_path)
+ output=yaffs_symlink(target_path, new_path)
+ print "yaffs symlink output=", output
+ self.file_editor_root.destroy()
+ else :
+ ##file does not exist
+ print "target file does not exist, cannot create symlink"
+ else :
+ #global current_directory_dict
+ print "saving the file"
+ print self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
+ yaffs_lseek(self.yaffs_handle, 0, 0)
+ data_to_be_written=self.file_editor_text.get("1.0", tk.END)
+ print "data to be saved", data_to_be_written
+ length_of_file=len(data_to_be_written)
+ print "length of data to be written",length_of_file
+ output=yaffs_write(self.yaffs_handle,data_to_be_written , length_of_file)
+ print "output", output
+ yaffs_ftruncate(self.yaffs_handle, length_of_file)
+ yaffs_close(self.yaffs_handle)
+ self.yaffs_handle = yaffs_open(self.file_path,66,0666)
load_dir()
- def __init__(self):
+ def __init__(self, isLink=0):
global current_directory_dict
x=name_list_box.curselection()
self.id=int(x[0])
self.file_editor_root =tk.Toplevel()
self.save_button=tk.Button(self.file_editor_root, text="save", command=self.save_file)
- self.save_button.pack()
+ self.save_button.pack(fill=tk.BOTH)
self.file_path=current_directory_dict[self.id]["path"]
print "file path", self.file_path
self.yaffs_handle = yaffs_open(current_directory_dict[self.id]["path"],66,0666)
length_of_file=yaffs_lseek(self.yaffs_handle, 0, 2) ##seeks to the end of the file
yaffs_lseek(self.yaffs_handle, 0, 0)## returns the handle to the front of th file
- self.file_contents=ctypes.create_string_buffer(length_of_file)
- yaffs_read(self.yaffs_handle,self.file_contents,length_of_file)
- print "file contents", self.file_contents.raw
+ print "length of file to be opened:", length_of_file
+ if isLink==True and False ==True : ##this alows the symlink to be edited and is no longer used. to renable it delete "and False ==True"
+ print "opening symlink"
+ self.file_contents=ctypes.create_string_buffer(1000)
+ yaffs_readlink(self.file_path,self.file_contents,1000)
+ self.isLink=True
+ else:
+ print"opening file"
+ self.file_contents=ctypes.create_string_buffer(length_of_file)
+ yaffs_read(self.yaffs_handle,self.file_contents,length_of_file)
+ print "file contents", self.file_contents.raw
self.file_editor_text.insert(tk.END, self.file_contents.raw)
- self.file_editor_text.pack()
+ self.file_editor_text.pack(fill=tk.BOTH)
##self.file_editor_text.bind("<Control-s>", self.save_file)
##doesn't work because it can't pass "self"
def load_dir():
global current_directory_dict
print "loading a new directory*******************************************************************"
+ ##deleate current items in text box
name_list_box.delete(0, tk.END)
current_directory_dict=yaffs_ls(mount_list_text_variable.get())
print "new directory", current_directory_dict
##copy directory into file box
for x in range(0,len(current_directory_dict)):
- name_list_box.insert(x,(current_directory_dict[x]["inodes"]+" "+ current_directory_dict[x]["type"]+" "+ current_directory_dict[x]["size"]+" "+ current_directory_dict[x]["path"]))
+ name_list_box.insert(x,(current_directory_dict[x]["inodes"]+" "+ current_directory_dict[x]["type"]+" "+ current_directory_dict[x]["size"]+" "+ current_directory_dict[x]["path"]+" "+current_directory_dict[x]["extra_data"]))
name_list_box.grid(column=0, row=1)
return current_directory_dict
-
-def load_file():
+
+def remount_yaffs():
+ ##this isn't working. somethihg need to be changed in the config of the simulator to release the handle of the emfile
+ print "remounting yaffs"
+ print"unmounting yaffs:", yaffs_unmount("yaffs2/")
+ print "mounting yaffs", yaffs_mount("/yaffs2/")
+ load_dir()
+
+def load_file(link=0):
global open_windows_list
- open_windows_list.append(editor())
+ open_windows_list.append(editor(link))
def load_command(self=0):
- global current_directory_dict
- print "you loaded a file/dir"
+ global current_directory_dictls
+
+ print "you loaded a file/dir/link"
x=name_list_box.curselection()
x=int(x[0])
print "cursor selection", x
##open file
print "open file"
load_file()
-
-
+ elif current_directory_dict[x]["type"]=="link":
+ print "loading a symlink"
+ load_file(1)
##mount_list_text_variable.set(mount_list_text_variable.get()+str(list[0][0]))
def back_a_directory(self=0):
-
+
def yaffs_ls(dname):
ls_dict=[]
se = sep.contents
fullname = dname + se.d_name
st = yaffs_stat_struct()
- result = yaffs_stat(fullname,byref(st))
+ result = yaffs_lstat(fullname,byref(st))
perms = st.st_mode & 0777
- isFile = True if st.st_mode & 0x8000 else False
- isDir = True if st.st_mode & 0x4000 else False
+ ftype = st.st_mode & yaffs_S_IFMT
+ isFile = True if ftype == yaffs_S_IFREG else False
+ isDir = True if ftype == yaffs_S_IFDIR else False
+ isSymlink= True if ftype == yaffs_S_IFLNK else False
if isFile :
- ls_dict.append ({"type" :"file", "inodes" : str(se.d_ino), "permissions" : str(hex(perms)), "size": str(st.st_size), "path": fullname})
+ ls_dict.append ({"type" :"file", "inodes" : str(se.d_ino), "permissions" : str(hex(perms)), "size": str(st.st_size), "path": fullname,"extra_data":""})
+ print "file st.st_mode:", st.st_mode
+
elif isDir :
- ls_dict.append({"type":"dir", "inodes" :str(se.d_ino), "permissions":str( hex(perms)),"size":"0", "path": fullname+"/"})
+ print "dir st.st_mode:", st.st_mode
+
+ ls_dict.append({"type":"dir", "inodes" :str(se.d_ino), "permissions":str( hex(perms)),"size":"0", "path": fullname+"/", "extra_data":""})
+ elif isSymlink:
+ print "symlink st.st_mode:", st.st_mode
+ file_contents=ctypes.create_string_buffer(30)
+ yaffs_readlink(fullname,file_contents,30)
+ string=repr(file_contents.value)
+ print "len of str", len(string)
+# string.lstrip()
+
+ print "string", string, "###"
+
+ ls_dict.append ({"type" :"link", "inodes" : str(se.d_ino), "permissions" : str(hex(perms)), "size": str(st.st_size), "path": fullname, "extra_data":"> "+string})
-# else :
-# ls_dict.append( "Other ("+hex(st.st_mode)+") "+se.d_ino, hex(perms)+ fullname)
+ else :
+ print "unknown st.st_mode:", st.st_mode
+ ls_dict.append({ "type":"Other", "inodes":str(se.d_ino), "permissions":str( hex(perms)), "size":"0", "path": fullname,"extra_data":""})
sep = yaffs_readdir(dc)
yaffs_closedir(dc)
return ls_dict
button_back.grid(column=1, row=0)
toolbar_frame.grid(row=0, column=0, columnspan=3)
+def delete_selected(selected_dir=0):
+ if selected_dir==0:
+ print"using current_directory_dict"
+ global current_directory_dict
+ x=name_list_box.curselection()
+ x=int(x[0])
+ print current_directory_dict[x]["type"]
+ if current_directory_dict[x]["type"]=="file":
+ path=current_directory_dict[x]["path"]
+ path =path
+ output=yaffs_unlink(path)
+ print "unlinking output:", output
+ elif current_directory_dict[x]["type"]=="dir":
+ path=current_directory_dict[x]["path"]
+ inside_dir=yaffs_ls(path)
+ print "files and folder inside dir", inside_dir
+ print "len of dir", len(inside_dir)
+ if inside_dir!=[]: ##if the dir is not empty
+ ## remove stuff in dir
+ for i in range(0,len(inside_dir)):
+ print "calling self*****"
+ delete_selected(inside_dir[i])
+
+ path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
+ print "removing:", path
+ output=yaffs_rmdir(path)
+ print "rmdir output:", output
+ else :
+ print "using passed dir"
+ print "dir passed", selected_dir
+ current_directory_dict =selected_dir
+
+ print "after copying", current_directory_dict
+ print current_directory_dict["type"]
+ if current_directory_dict["type"]=="file":
+ path=current_directory_dict["path"]
+ path =path
+ output=yaffs_unlink(path)
+ print "unlinking output:", output
+ elif current_directory_dict["type"]=="dir":
+ path=current_directory_dict["path"]
+ inside_dir=yaffs_ls(path)
+ print "files and folder inside dir", inside_dir
+ print "len of dir", len(inside_dir)
+ if inside_dir!=[]: ##if the dir is not empty
+ ## remove stuff in dir
+ for i in range(0,len(inside_dir)):
+ print "calling self*****"
+ delete_selected(inside_dir[i])
+
+ path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
+ print "removing:", path
+ output=yaffs_rmdir(path)
+ print "rmdir output:", output
+
+ load_dir()
+
class new_file():
button_frame.pack()
+class new_symlink():
+ path_entry_box=0
+ target_text=0
+ new_text=0
+ new_file_window=0
+ def create_the_symlink(self):
+ global mount_list_text_variable
+ ##check the symlink's target is a file.
+ target_path=self.target_text.get()
+ new_path=self.new_text.get()
+ print "creating a symlink \n target:", target_path
+ target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
+ if target_file_exists>=0:
+ ##file exists,create symlink
+ print "target file exist, creating symlink"
+ yaffs_symlink(target_path, new_path)
+ self.new_file_window.destroy()
+ else :
+ ##file does not exist
+ print "target file does not exist, cannot create symlink"
+ load_dir()
+
+ def cancel(self):
+ ##del self
+ self.new_file_window.destroy()
+ def __init__(self):
+ global mount_list_text_variable
+ self.new_file_window =tk.Toplevel(takefocus=True)
+ target_frame=tk.Frame(self.new_file_window)
+ target_label=tk.Label(target_frame, text="target")
+ target_label.pack(side=tk.LEFT)
+ self.target_text=tk.StringVar()
+ self.target_text.set(mount_list_text_variable.get())
+ #print "############################",mount_list_text_variable.get()
+ self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
+ self.target_entry_box.pack(side=tk.RIGHT)
+ target_frame.pack()
+
+ new_frame=tk.Frame(self.new_file_window)
+ new_label=tk.Label(new_frame, text="file path")
+ new_label.pack(side=tk.LEFT)
+ self.new_text=tk.StringVar()
+ self.new_text.set(mount_list_text_variable.get())
+ #print "############################",mount_list_text_variable.get()
+ self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
+ self.new_entry_box.pack(side=tk.RIGHT)
+ new_frame.pack()
+
+ button_frame=tk.Frame(self.new_file_window)
+ create_button=tk.Button(button_frame, text="Create", command=self.create_the_symlink)
+ create_button.pack(side=tk.LEFT)
+ cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
+ cancel_button.pack(side=tk.RIGHT)
+ button_frame.pack()
+
+
+
+class new_hardlink():
+ path_entry_box=0
+ target_text=0
+ new_text=0
+ new_file_window=0
+ def create_the_hardlink(self):
+ global mount_list_text_variable
+ ##check the symlink's target is a file.
+ target_path=self.target_text.get()
+ new_path=self.new_text.get()
+ print "creating a hardlink \n target:", target_path
+ target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
+ if target_file_exists>=0:
+ ##file exists,create symlink
+ print "target file exist, creating hardlink"
+ yaffs_link(target_path, new_path)
+ self.new_file_window.destroy()
+ else :
+ ##file does not exist
+ print "target file does not exist, cannot create hardlink"
+ load_dir()
+
+ def cancel(self):
+ ##del self
+ self.new_file_window.destroy()
+ def __init__(self):
+ global mount_list_text_variable
+ self.new_file_window =tk.Toplevel(takefocus=True)
+ target_frame=tk.Frame(self.new_file_window)
+ target_label=tk.Label(target_frame, text="target")
+ target_label.pack(side=tk.LEFT)
+ self.target_text=tk.StringVar()
+ self.target_text.set(mount_list_text_variable.get())
+ #print "############################",mount_list_text_variable.get()
+ self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
+ self.target_entry_box.pack(side=tk.RIGHT)
+ target_frame.pack()
+
+ new_frame=tk.Frame(self.new_file_window)
+ new_label=tk.Label(new_frame, text="file path")
+ new_label.pack(side=tk.LEFT)
+ self.new_text=tk.StringVar()
+ self.new_text.set(mount_list_text_variable.get())
+ #print "############################",mount_list_text_variable.get()
+ self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
+ self.new_entry_box.pack(side=tk.RIGHT)
+ new_frame.pack()
+
+ button_frame=tk.Frame(self.new_file_window)
+ create_button=tk.Button(button_frame, text="Create", command=self.create_the_hardlink)
+ create_button.pack(side=tk.LEFT)
+ cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
+ cancel_button.pack(side=tk.RIGHT)
+ button_frame.pack()
##mount list entry box init
list_frame=tk.Frame(root_window)
-name_list_box=tk.Listbox(list_frame,exportselection=0, height=30, width=50)
+name_list_box=tk.Listbox(list_frame,exportselection=0, height=30, width=80)
load_dir()
-list_frame.grid()
+list_frame.grid(sticky=tk.W+tk.E+tk.N+tk.S)
name_list_box.bind("<Double-Button-1>", load_command)
browser_file_menu=tk.Menu(browser_menu_bar)
browser_file_menu.add_command(label="Reload", command=load_dir)
-browser_file_menu.add_command(label="Open")
-browser_file_menu.add_command(label="Save")
+browser_file_menu.add_command(label="Remount yaffs", command=remount_yaffs)
+
+#browser_file_menu.add_command(label="Open")
+#browser_file_menu.add_command(label="Save")
browser_menu_bar.add_cascade(label="File", menu=browser_file_menu)
root_window.config(menu=browser_menu_bar)
browser_edit_menu.add_command(label="New File", command=new_file)
browser_edit_menu.add_command(label="New Folder", command=new_folder)
-browser_edit_menu.add_command(label="Rename File")
+browser_edit_menu.add_command(label="New Symlink", command=new_symlink)
+browser_edit_menu.add_command(label="New Hardlink", command=new_hardlink)
+
+
+browser_edit_menu.add_command(label="delete selected", command=delete_selected)
browser_menu_bar.add_cascade(label="Edit", menu=browser_edit_menu)