def cp_recursive(source, dest):
new_file_name = dest.split("/")[-1]#get just the new file's name
#check if the source file is a directory
if(not os.path.isdir(source)):
#not a directory, just make sure the path exists, then copy the file into the virtual FS
path_str = check_path_exists(dest)
copy_file(source, path_str, new_file_name)
else:
#if it IS a dir we need to do a little more work.
path_str = check_path_exists(dest)#add the path up to the directory
lind_fs_calls.chdir_syscall(path_str)#chdir to the end of that new path
mode = stat.S_IMODE(os.stat(source).st_mode)
#print "in cp " + source + "/" + new_file_name + "..." + str(mode) + "..." + str(S_IRWXU)
try:
lind_fs_calls.chdir_syscall(new_file_name)#chdir to that new directory
except lind_fs_calls.SyscallError:
lind_fs_calls.mkdir_syscall(new_file_name, mode)#make a directory for the new directory
lind_fs_calls.chdir_syscall(new_file_name)#chdir to that new directory
#then we loop through each of the subfiles of the directory, and recursively call the cp function
#keeping track of both the native file location as well as the virtual file location!
for c in os.listdir(source):
cp_recursive(source + "/" + c, dest + "/" + c)
def check_path_exists(path):
path_list = path.split("/")[0:-1]#get each directory in the path, excluding the new file's name
lind_fs_calls.chdir_syscall("/")#start at root
path_str = "/"#this string will hold the whole path of the destination file (excluding the filename itself)
#loop through each dir in the path
for p in path_list:
if(p == ""):
continue
path_str += (p + "/")#concat the dir to the full path string
#try to chdir (if it fails, means the directory doesnt exist)
try:
lind_fs_calls.chdir_syscall(p)
#if (when) the exception is caught, create a new dir and chdir to it
except lind_fs_calls.SyscallError as e:
mode = stat.S_IMODE(os.stat(path_str + p).st_mode)
#print "in check: " + path + p + "..." + str(mode) + "..." + str(S_IRWXU)
lind_fs_calls.mkdir_syscall(p, mode)
lind_fs_calls.chdir_syscall(p)
return path_str
#start off with an empty list
cp_cmd.args = []
#try to parse the args
try:
cp_cmd.args = parser.parse_args(input_list)
except SystemExit, e:
pass
else:
#the args were parsed correctly, call the actual cp function
cp_recursive(cp_cmd.args.source, cp_cmd.args.dest);
#it is very likely that the current working directory will be changed, so go back to where the user was before the cp
try:
lind_fs_calls.chdir_syscall(cur_dir)
except lind_fs_calls.SyscallError, e:
print "In cp_cmd. Could not cd. Error: %s" % e
#this function is just for debugging. Copies a file (NON directory) back to disk so we can diff
def cpout_cmd(source, dest):
try:
lindfd = lind_fs_calls.open_syscall(source, O_RDWR, 0)
except lind_fs_calls.SyscallError, e:
print "Couldnt open local file. Error: %s" %e
return -1
try:
