direct/test-framework/python/yaffs_browser.py

   1 #!/usr/bin/python
   2 ##
   3 ## YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
   4 ##
   5 # Copyright (C) 2002-2018 Aleph One Ltd.
   6 ##
   7 ## Created by Timothy Manning <timothy@yaffs.net>
   8 ##
   9 ## This program is free software; you can redistribute it and/or modify
  10 ## it under the terms of the GNU General Public License version 2 as
  11 ## published by the Free Software Foundation.
  12 ##
  13
  14 import Tkinter as tk
  15 from yaffsfs import *
  16 #import examples
  17 import ctypes
  18 from operator import itemgetter
  19
  20 yaffs_start_up()
  21 yaffs_mount("/yaffs2/")
  22 root_window =tk.Tk()
  23 root_window.title("YAFFS Browser")
  24 mount_list_text_variable=tk.StringVar()
  25
  26 mount_list_text_variable.set("/yaffs2/")
  27 current_directory_dict={}
  28 open_windows_list=[]
  29
  30 class editor():
  31     yaffs_handle=0
  32     file_editor_root =0
  33     save_button=[]
  34     file_contents=0
  35     file_path=0
  36     isLink=0
  37     def save_file(self):
  38         if  self.isLink==True:
  39             target_path=self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
  40             target_path=target_path[0:len(target_path)-1]
  41             new_path=self.file_path
  42             print "creating a symlink \n target:##", target_path, "##"
  43             target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
  44             if target_file_exists>=0:
  45                 ##file exists,create symlink
  46                 print "target file exist, creating symlink"
  47                 yaffs_unlink(new_path)
  48                 output=yaffs_symlink(target_path, new_path)
  49                 print "yaffs symlink output=", output
  50                 self.file_editor_root.destroy()
  51             else :
  52                 ##file does not exist
  53                 print "target file does not exist, cannot create symlink"
  54         else :
  55             #global current_directory_dict
  56             print "saving the file"
  57             print self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
  58             yaffs_lseek(self.yaffs_handle, 0, 0)
  59             data_to_be_written=self.file_editor_text.get("1.0", tk.END)
  60             print "data to be saved", data_to_be_written
  61             length_of_file=len(data_to_be_written)
  62             print "length of data to be written",length_of_file
  63             output=yaffs_write(self.yaffs_handle,data_to_be_written , length_of_file)
  64             print "output", output
  65             yaffs_ftruncate(self.yaffs_handle, length_of_file)
  66             yaffs_close(self.yaffs_handle)
  67             self.yaffs_handle = yaffs_open(self.file_path,66,0666)
  68         load_dir()
  69
  70     def __init__(self, isLink=0):
  71         global current_directory_dict
  72         x=name_list_box.curselection()
  73         self.id=int(x[0])
  74         self.file_editor_root =tk.Toplevel()
  75         self.save_button=tk.Button(self.file_editor_root, text="save", command=self.save_file)
  76         self.save_button.pack(fill=tk.BOTH)
  77
  78         self.file_path=current_directory_dict[self.id]["path"]
  79         print "file path", self.file_path
  80         self.file_editor_root.title(current_directory_dict[self.id]["path"])
  81         self.file_editor_text=tk.Text(self.file_editor_root)
  82         self.yaffs_handle = yaffs_open(current_directory_dict[self.id]["path"],66,0666)
  83         length_of_file=yaffs_lseek(self.yaffs_handle, 0, 2) ##seeks to the end of the file
  84         yaffs_lseek(self.yaffs_handle, 0, 0)## returns the handle to the front of th file
  85         print "length of file to be opened:", length_of_file
  86         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"
  87             print "opening symlink"
  88             self.file_contents=ctypes.create_string_buffer(1000)
  89             yaffs_readlink(self.file_path,self.file_contents,1000)
  90             self.isLink=True
  91         else:
  92             print"opening file"
  93             self.file_contents=ctypes.create_string_buffer(length_of_file)
  94             yaffs_read(self.yaffs_handle,self.file_contents,length_of_file)
  95             print "file contents", self.file_contents.raw
  96         self.file_editor_text.insert(tk.END, self.file_contents.raw)
  97         self.file_editor_text.pack(fill=tk.BOTH)
  98         ##self.file_editor_text.bind("<Control-s>", self.save_file)
  99         ##doesn't work because it can't pass "self"
 100
 101 def load_dir():
 102     global current_directory_dict
 103     print "loading a new directory*******************************************************************"
 104     ##deleate current items in text box
 105     name_list_box.delete(0, tk.END)
 106     current_directory_dict=yaffs_ls(mount_list_text_variable.get())
 107     print "new directory", current_directory_dict
 108
 109
 110
 111     ##copy directory into file box
 112     for x in range(0,len(current_directory_dict)):
 113         permissions_string=""
 114         if current_directory_dict[x]["permissions"] & yaffs_S_IREAD:
 115             permissions_string ='r'
 116         else :
 117             permissions_string ='-'
 118         if current_directory_dict[x]["permissions"] & yaffs_S_IWRITE:
 119             permissions_string+='w'
 120         else :
 121             permissions_string+='-'
 122         name_list_box.insert(x,(current_directory_dict[x]["inodes"]+"  "+permissions_string+"  "+ current_directory_dict[x]["type"]+"  "+ current_directory_dict[x]["size"]+"  "+ current_directory_dict[x]["path"]+"  "+current_directory_dict[x]["extra_data"]))
 123     name_list_box.grid(column=0, row=1)
 124     return current_directory_dict
 125
 126 def remount_yaffs():
 127     ##this isn't working. somethihg need to be changed in the config of the simulator to release the handle of the emfile
 128     print "remounting yaffs"
 129     print"unmounting yaffs:", yaffs_unmount("yaffs2/")
 130     print "mounting yaffs", yaffs_mount("/yaffs2/")
 131     load_dir()
 132
 133 def load_file(link=0):
 134     global open_windows_list
 135     open_windows_list.append(editor(link))
 136
 137 def load_command(self=0):
 138     global current_directory_dictls
 139
 140     print "you loaded a file/dir/link"
 141     x=name_list_box.curselection()
 142     x=int(x[0])
 143     print "cursor selection", x
 144     print "dict", current_directory_dict
 145
 146     print "file inode is:", current_directory_dict[x]["inodes"]
 147
 148
 149     print "file path is:", current_directory_dict[x]["path"]
 150     if current_directory_dict[x]["type"]=="dir":
 151         ##open dir
 152         print "open directory"
 153         mount_list_text_variable.set(current_directory_dict[x]["path"])
 154         print mount_list_text_variable.get()
 155         print "old directory dict", current_directory_dict
 156         #current_directory_dict=load_dir()
 157         load_dir()
 158
 159         print "new directory dict passed back"
 160
 161     elif current_directory_dict[x]["type"]=="file" :
 162         ##open file
 163         print "open file"
 164         load_file()
 165     elif current_directory_dict[x]["type"]=="link":
 166         print "loading a symlink"
 167         load_file(1)
 168     ##mount_list_text_variable.set(mount_list_text_variable.get()+str(list[0][0]))
 169
 170 def back_a_directory(self=0):
 171     x=len(mount_list_text_variable.get())
 172     string=mount_list_text_variable.get()
 173     slashes_id=[]
 174     #print "length of path", x
 175     #print "string been sorted:",  string
 176     for i in range(0, x):
 177         if string[i]=='/':
 178             slashes_id.append(i)
 179             #print "slash found at:", i
 180
 181     print slashes_id
 182     ##slashes_id.sort() not needed because the list is already in acending order
 183     ##print "sorted",slashes_id
 184
 185     string=string[0: slashes_id[len(slashes_id)-2]+1]
 186     print string
 187     mount_list_text_variable.set(string)
 188     load_dir()
 189
 190
 191
 192
 193
 194
 195 def yaffs_ls(dname):
 196     ls_dict=[]
 197
 198     if dname[-1] != "/": dname = dname + "/"
 199     dc = yaffs_opendir(dname)
 200     if dc != 0 :
 201         sep = yaffs_readdir(dc)
 202         while bool(sep):
 203
 204             se = sep.contents
 205             fullname = dname + se.d_name
 206             st = yaffs_stat_struct()
 207             result = yaffs_lstat(fullname,byref(st))
 208             #perms = st.st_mode & 0777
 209             perms = st.st_mode
 210             ftype = st.st_mode & yaffs_S_IFMT
 211             isFile = True if ftype == yaffs_S_IFREG else False
 212             isDir  = True if ftype == yaffs_S_IFDIR else False
 213             isSymlink= True if ftype == yaffs_S_IFLNK else False
 214
 215             if isFile :
 216                 ls_dict.append ({"type" :"file",  "inodes" :  str(se.d_ino),   "permissions" : perms,  "size": str(st.st_size), "path":  fullname,"extra_data":""})
 217                 print "file st.st_mode:", st.st_mode
 218
 219             elif isDir :
 220                 print "dir st.st_mode:", st.st_mode
 221
 222                 ls_dict.append({"type":"dir", "inodes" :str(se.d_ino), "permissions":perms,"size":"0",   "path": fullname+"/", "extra_data":""})
 223             elif isSymlink:
 224                 print "symlink st.st_mode:", st.st_mode
 225                 file_contents=ctypes.create_string_buffer(30)
 226                 yaffs_readlink(fullname,file_contents,30)
 227                 string=repr(file_contents.value)
 228                 print "len of str", len(string)
 229 #                string.lstrip()
 230
 231                 print "string", string, "###"
 232
 233                 ls_dict.append ({"type" :"link",  "inodes" :  str(se.d_ino),   "permissions" : perms,  "size": str(st.st_size), "path":  fullname, "extra_data":"> "+string})
 234
 235             else :
 236                 print "unknown st.st_mode:", st.st_mode
 237                 ls_dict.append({ "type":"Other", "inodes":str(se.d_ino),  "permissions":perms, "size":"0",   "path": fullname,"extra_data":""})
 238             sep = yaffs_readdir(dc)
 239         yaffs_closedir(dc)
 240         return sorted(ls_dict,key=itemgetter("path"))
 241     else:
 242         print "Could not open directory"
 243         return -1
 244
 245
 246 ##toolbar
 247 toolbar_frame=tk.Frame(root_window)
 248 button_open=tk.Button(toolbar_frame, command=load_command, text="load")
 249 button_open.grid(column=0, row=0)
 250 button_back=tk.Button(toolbar_frame, command=back_a_directory, text="back")
 251 button_back.grid(column=1, row=0)
 252 toolbar_frame.grid(row=0, column=0,  columnspan=3)
 253
 254 def delete_selected(selected_dir=0):
 255     if selected_dir==0:
 256         print"using current_directory_dict"
 257         global current_directory_dict
 258         x=name_list_box.curselection()
 259         x=int(x[0])
 260         print current_directory_dict[x]["type"]
 261         if current_directory_dict[x]["type"]=="file":
 262             path=current_directory_dict[x]["path"]
 263             path =path
 264             output=yaffs_unlink(path)
 265             print "unlinking output:", output
 266         elif current_directory_dict[x]["type"]=="dir":
 267             path=current_directory_dict[x]["path"]
 268             inside_dir=yaffs_ls(path)
 269             print "files and folder inside dir", inside_dir
 270             print "len of dir", len(inside_dir)
 271             if inside_dir!=[]: ##if the dir is not empty
 272                 ## remove stuff in dir
 273                 for i in range(0,len(inside_dir)):
 274                     print "calling self*****"
 275                     delete_selected(inside_dir[i])
 276
 277             path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
 278             print "removing:", path
 279             output=yaffs_rmdir(path)
 280             print "rmdir output:", output
 281     else :
 282         print "using passed dir"
 283         print "dir passed", selected_dir
 284         current_directory_dict =selected_dir
 285
 286         print "after copying", current_directory_dict
 287         print current_directory_dict["type"]
 288         if current_directory_dict["type"]=="file":
 289             path=current_directory_dict["path"]
 290             path =path
 291             output=yaffs_unlink(path)
 292             print "unlinking output:", output
 293         elif current_directory_dict["type"]=="dir":
 294             path=current_directory_dict["path"]
 295             inside_dir=yaffs_ls(path)
 296             print "files and folder inside dir", inside_dir
 297             print "len of dir", len(inside_dir)
 298             if inside_dir!=[]: ##if the dir is not empty
 299                 ## remove stuff in dir
 300                 for i in range(0,len(inside_dir)):
 301                     print "calling self*****"
 302                     delete_selected(inside_dir[i])
 303
 304             path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
 305             print "removing:", path
 306             output=yaffs_rmdir(path)
 307             print "rmdir output:", output
 308
 309     load_dir()
 310
 311
 312
 313 class new_file():
 314     path_entry_box=0
 315     new_file_window=0
 316     def open_the_file(self):
 317         global mount_list_text_variable
 318         print "trying to create", mount_list_text_variable.get()+self.path_entry_box.get()
 319         yaffs_handle=yaffs_open(self.path_entry_box.get(),66,0666)
 320         yaffs_close(yaffs_handle)
 321         self.new_file_window.destroy()
 322         load_dir()
 323
 324     def cancel(self):
 325         ##del self
 326         self.new_file_window.destroy()
 327     def __init__(self):
 328         global mount_list_text_variable
 329         self.new_file_window =tk.Toplevel(takefocus=True)
 330         path_frame=tk.Frame(self.new_file_window)
 331         path_label=tk.Label(path_frame, text="file path")
 332         path_label.pack(side=tk.LEFT)
 333         text=tk.StringVar()
 334         text.set(mount_list_text_variable.get())
 335         print "############################",mount_list_text_variable.get()
 336         self.path_entry_box= tk.Entry(path_frame, textvariable=text)
 337         self.path_entry_box.pack(side=tk.RIGHT)
 338         path_frame.pack()
 339         button_frame=tk.Frame(self.new_file_window)
 340         create_button=tk.Button(button_frame, text="Create", command=self.open_the_file)
 341         create_button.pack(side=tk.LEFT)
 342         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 343         cancel_button.pack(side=tk.RIGHT)
 344         button_frame.pack()
 345
 346 class new_folder():
 347     path_entry_box=0
 348     new_folder_window=0
 349     def create_the_folder(self):
 350         global mount_list_text_variable
 351         print "trying to create", mount_list_text_variable.get()+self.path_entry_box.get()
 352         yaffs_mkdir(self.path_entry_box.get(),0666)
 353         self.new_folder_window.destroy()
 354
 355         load_dir()
 356
 357     def cancel(self):
 358         ##del self
 359         self.new_folder_window.destroy()
 360     def __init__(self):
 361         global mount_list_text_variable
 362         self.new_folder_window =tk.Toplevel(takefocus=True)
 363         path_frame=tk.Frame(self.new_folder_window)
 364         path_label=tk.Label(path_frame, text="directory path")
 365         path_label.pack(side=tk.LEFT)
 366         text=tk.StringVar()
 367         text.set(mount_list_text_variable.get())
 368         print "############################",mount_list_text_variable.get()
 369         self.path_entry_box= tk.Entry(path_frame, textvariable=text)
 370         self.path_entry_box.pack(side=tk.RIGHT)
 371         path_frame.pack()
 372         button_frame=tk.Frame(self.new_folder_window)
 373         create_button=tk.Button(button_frame, text="Create", command=self.create_the_folder)
 374         create_button.pack(side=tk.LEFT)
 375         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 376         cancel_button.pack(side=tk.RIGHT)
 377         button_frame.pack()
 378
 379
 380 class new_symlink():
 381     path_entry_box=0
 382     target_text=0
 383     new_text=0
 384     new_file_window=0
 385     def create_the_symlink(self):
 386         global mount_list_text_variable
 387         ##check the symlink's target is a file.
 388         target_path=self.target_text.get()
 389         new_path=self.new_text.get()
 390         print "creating a symlink \n target:", target_path
 391         target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
 392         if target_file_exists>=0:
 393             ##file exists,create symlink
 394             print "target file exist, creating symlink"
 395             yaffs_symlink(target_path, new_path)
 396             self.new_file_window.destroy()
 397         else :
 398             ##file does not exist
 399             print "target file does not exist, cannot create symlink"
 400         load_dir()
 401
 402     def cancel(self):
 403         ##del self
 404         self.new_file_window.destroy()
 405     def __init__(self):
 406         global mount_list_text_variable
 407         self.new_file_window =tk.Toplevel(takefocus=True)
 408         target_frame=tk.Frame(self.new_file_window)
 409         target_label=tk.Label(target_frame, text="target")
 410         target_label.pack(side=tk.LEFT)
 411         self.target_text=tk.StringVar()
 412         self.target_text.set(mount_list_text_variable.get())
 413         #print "############################",mount_list_text_variable.get()
 414         self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
 415         self.target_entry_box.pack(side=tk.RIGHT)
 416         target_frame.pack()
 417
 418         new_frame=tk.Frame(self.new_file_window)
 419         new_label=tk.Label(new_frame, text="file path")
 420         new_label.pack(side=tk.LEFT)
 421         self.new_text=tk.StringVar()
 422         self.new_text.set(mount_list_text_variable.get())
 423         #print "############################",mount_list_text_variable.get()
 424         self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
 425         self.new_entry_box.pack(side=tk.RIGHT)
 426         new_frame.pack()
 427
 428         button_frame=tk.Frame(self.new_file_window)
 429         create_button=tk.Button(button_frame, text="Create", command=self.create_the_symlink)
 430         create_button.pack(side=tk.LEFT)
 431         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 432         cancel_button.pack(side=tk.RIGHT)
 433         button_frame.pack()
 434
 435
 436
 437 class new_hardlink():
 438     path_entry_box=0
 439     target_text=0
 440     new_text=0
 441     new_file_window=0
 442     def create_the_hardlink(self):
 443         global mount_list_text_variable
 444         ##check the symlink's target is a file.
 445         target_path=self.target_text.get()
 446         new_path=self.new_text.get()
 447         print "creating a hardlink \n target:", target_path
 448         target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
 449         if target_file_exists>=0:
 450             ##file exists,create symlink
 451             print "target file exist, creating hardlink"
 452             yaffs_link(target_path, new_path)
 453             self.new_file_window.destroy()
 454         else :
 455             ##file does not exist
 456             print "target file does not exist, cannot create hardlink"
 457         load_dir()
 458
 459     def cancel(self):
 460         ##del self
 461         self.new_file_window.destroy()
 462     def __init__(self):
 463         global mount_list_text_variable
 464         self.new_file_window =tk.Toplevel(takefocus=True)
 465         target_frame=tk.Frame(self.new_file_window)
 466         target_label=tk.Label(target_frame, text="target")
 467         target_label.pack(side=tk.LEFT)
 468         self.target_text=tk.StringVar()
 469         self.target_text.set(mount_list_text_variable.get())
 470         #print "############################",mount_list_text_variable.get()
 471         self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
 472         self.target_entry_box.pack(side=tk.RIGHT)
 473         target_frame.pack()
 474
 475         new_frame=tk.Frame(self.new_file_window)
 476         new_label=tk.Label(new_frame, text="file path")
 477         new_label.pack(side=tk.LEFT)
 478         self.new_text=tk.StringVar()
 479         self.new_text.set(mount_list_text_variable.get())
 480         #print "############################",mount_list_text_variable.get()
 481         self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
 482         self.new_entry_box.pack(side=tk.RIGHT)
 483         new_frame.pack()
 484
 485         button_frame=tk.Frame(self.new_file_window)
 486         create_button=tk.Button(button_frame, text="Create", command=self.create_the_hardlink)
 487         create_button.pack(side=tk.LEFT)
 488         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 489         cancel_button.pack(side=tk.RIGHT)
 490         button_frame.pack()
 491
 492
 493 ##mount list entry box init
 494 mount_list_frame=tk.Frame(root_window)
 495 mount_list_label=tk.Label(mount_list_frame, text="mount list")
 496 mount_list_label.pack(side=tk.RIGHT)
 497
 498 mount_list_entry_box= tk.Entry(mount_list_frame,textvariable=mount_list_text_variable)
 499 mount_list_entry_box.pack(side=tk.RIGHT)
 500 mount_list_frame.grid(row=1, column=0, columnspan=2)
 501
 502
 503 list_frame=tk.Frame(root_window)
 504 name_list_box=tk.Listbox(list_frame,exportselection=0, height=30, width=80)
 505 load_dir()
 506 list_frame.grid(sticky=tk.W+tk.E+tk.N+tk.S)
 507
 508 name_list_box.bind("<Double-Button-1>", load_command)
 509
 510 browser_menu_bar=tk.Menu(root_window)
 511 browser_file_menu=tk.Menu(browser_menu_bar)
 512
 513 browser_file_menu.add_command(label="Reload", command=load_dir)
 514 browser_file_menu.add_command(label="Remount yaffs", command=remount_yaffs)
 515
 516 #browser_file_menu.add_command(label="Open")
 517 #browser_file_menu.add_command(label="Save")
 518 browser_menu_bar.add_cascade(label="File", menu=browser_file_menu)
 519 root_window.config(menu=browser_menu_bar)
 520
 521
 522 browser_edit_menu=tk.Menu(browser_menu_bar)
 523
 524 browser_edit_menu.add_command(label="New File", command=new_file)
 525 browser_edit_menu.add_command(label="New Folder", command=new_folder)
 526 browser_edit_menu.add_command(label="New Symlink", command=new_symlink)
 527 browser_edit_menu.add_command(label="New Hardlink", command=new_hardlink)
 528
 529
 530 browser_edit_menu.add_command(label="delete selected", command=delete_selected)
 531 browser_menu_bar.add_cascade(label="Edit", menu=browser_edit_menu)
 532
 533
 534
 535
 536
 537
 538 root_window.mainloop()
 539
 540 print"unmounting yaffs:", yaffs_unmount("yaffs2/")
 541
 542