X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fpython%2Fyaffs_browser.py;h=effe5a3fd14033652748b8051451ba4ed20b98af;hp=d0faaffb9a6e803972d736901bd0717864ab85bf;hb=41a39f326b4b732a36310275c0f4489c07117679;hpb=b07263adb5c642fcb911125a77b9e7f4bb8af64c diff --git a/direct/python/yaffs_browser.py b/direct/python/yaffs_browser.py index d0faaff..effe5a3 100755 --- a/direct/python/yaffs_browser.py +++ b/direct/python/yaffs_browser.py @@ -1,16 +1,29 @@ #!/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 +## +## 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=[] @@ -20,30 +33,47 @@ class editor(): 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 @@ -52,33 +82,50 @@ class editor(): 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("", 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 @@ -103,8 +150,9 @@ def load_command(self=0): ##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): @@ -131,7 +179,7 @@ def back_a_directory(self=0): - + def yaffs_ls(dname): ls_dict=[] @@ -144,18 +192,36 @@ def yaffs_ls(dname): 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 @@ -172,6 +238,63 @@ button_back=tk.Button(toolbar_frame, command=back_a_directory, text="back") 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(): @@ -241,6 +364,117 @@ class new_folder(): 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 @@ -254,9 +488,9 @@ mount_list_frame.grid(row=1, column=0, columnspan=2) 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("", load_command) @@ -264,8 +498,10 @@ browser_menu_bar=tk.Menu(root_window) 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) @@ -274,7 +510,11 @@ browser_edit_menu=tk.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)