yaffs Added more tests to direct/timothy_tests/quick_tests
[yaffs2.git] / direct / python / yaffs_browser.py
index d0faaff..effe5a3 100755 (executable)
@@ -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 <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=[]
 
@@ -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("<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
@@ -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("<Double-Button-1>", 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)