def _cp_dir_into_lind(fullfilename, rootpath='.', createmissingdirs=True):
# check for the file.
posixfn = os.path.join(rootpath, fullfilename)
if not os.path.exists(posixfn):
raise IOError("Cannot locate dire on POSIX FS: '" + posixfn + "'")
if os.path.isfile(posixfn):
raise IOError("POSIX FS path is not a directory: '" + posixfn + "'")
# now, we should check / make intermediate dirs if needed...
# we will walk through the components of the dir and look for them...
# this removes '.', '///', and similar.
# BUG: On Windows, this converts '/' -> '\'. I don't think lind FS handles
# '\'...
normalizedlindfn = os.path.normpath(fullfilename)
# go through the directories and check if they are there, possibly creating
# needed ones...
currentdir = ''
# NOT os.path.split! I want each dir!!!
for thisdir in normalizedlindfn.split('/'):
currentdir += thisdir + '/'
try:
# check if this is a directory that exists
if IS_DIR(lind_test_server.stat_syscall(currentdir)[2]):
# all is well
continue
# otherwise, it exists, but isn't a dir...
raise IOError("LIND FS path exists and isn't a dir: '" +
currentdir + "'")
except lind_test_server.SyscallError, e:
# must be missing dir or else let the caller see this!
if e[1] != "ENOENT":
raise
# okay, do I create it?
if not createmissingdirs:
raise IOError(
"LIND FS path does not exist but should not be created: '"
+ currentdir + "'")
# otherwise, make it ...
lind_test_server.mkdir_syscall(currentdir, S_IRWXA)
# and copy over the perms, etc.
_mirror_stat_data(os.path.join(rootpath, currentdir), currentdir)
def _cp_dir_into_lind(fullfilename, rootpath='.', createmissingdirs=True):
# check for the file.
posixfn = os.path.join(rootpath, fullfilename)
if not os.path.exists(posixfn):
raise IOError("Cannot locate dire on POSIX FS: '" + posixfn + "'")
if os.path.isfile(posixfn):
raise IOError("POSIX FS path is not a directory: '" + posixfn + "'")
# now, we should check / make intermediate dirs if needed...
# we will walk through the components of the dir and look for them...
# this removes '.', '///', and similar.
# BUG: On Windows, this converts '/' -> '\'. I don't think lind FS handles
# '\'...
normalizedlindfn = os.path.normpath(fullfilename)
# go through the directories and check if they are there, possibly creating
# needed ones...
currentdir = ''
# NOT os.path.split! I want each dir!!!
for thisdir in normalizedlindfn.split('/'):
currentdir += thisdir + '/'
try:
# check if this is a directory that exists
if IS_DIR(lind_test_server.stat_syscall(currentdir)[2]):
# all is well
continue
# otherwise, it exists, but isn't a dir...
raise IOError("LIND FS path exists and isn't a dir: '" + currentdir + "'")
except lind_test_server.SyscallError, e:
# must be missing dir or else let the caller see this!
if e[1] != "ENOENT":
raise
# okay, do I create it?
if not createmissingdirs:
raise IOError("LIND FS path does not exist but should not be created: '" + currentdir + "'")
# otherwise, make it ...
lind_test_server.mkdir_syscall(currentdir,S_IRWXA)
# and copy over the perms, etc.
_mirror_stat_data(os.path.join(rootpath, currentdir), currentdir)
import lind_test_server
from lind_fs_constants import *
# Let's add a few files, etc. to the system and see if it works...
lind_test_server._blank_fs_init()
myfd = lind_test_server.open_syscall('/foo', O_CREAT | O_EXCL | O_WRONLY,
S_IRWXA)
stat_result = lind_test_server.stat_syscall('/foo')
# ensure the mode is a regular file with all bits on.
assert (stat_result[2] == S_IRWXA | S_IFREG)
# create a file with no perms...
myfd2 = lind_test_server.open_syscall('/foo2', O_CREAT | O_EXCL | O_WRONLY, 0)
stat_result2 = lind_test_server.stat_syscall('/foo2')
# ensure the mode is a regular file with all bits off.
assert (stat_result2[2] == S_IFREG)
stat_result = lind_test_server.stat_syscall('.')
import lind_test_server as server
from lind_fs_constants import *
# This will load the filesystem and the special character files
# It checks if the metadata is already present, if so it will
# load up the metadata.
server.load_fs()
server.stat_syscall("/dev")
# Check If the special files have been created...
assert (server.stat_syscall("/dev/null")[6] == (1, 3))
assert (server.stat_syscall("/dev/random")[6] == (1, 8))
assert (server.stat_syscall("/dev/urandom")[6] == (1, 9))
def getattr(self, path):
log("getattr", path)
try:
stats = lind.stat_syscall(path)
except lind.SyscallError, e:
return -errno[e[1]]
import lind_test_server
from lind_fs_constants import *
# Let's add a few files, etc. to the system and see if it works...
lind_test_server._blank_fs_init()
myfd = lind_test_server.open_syscall('/foo',O_CREAT | O_EXCL | O_WRONLY,S_IRWXA)
# write should succeed
assert(lind_test_server.write_syscall(myfd,'hi') == 2)
stat_result = lind_test_server.stat_syscall('/foo')
# ensure the file has size 2
assert(stat_result[7] == 2)
# ensure the link count is 1
assert(stat_result[3] == 1)
# create a file with no perms...
lind_test_server.link_syscall('/foo','/foo2')
stat_result = lind_test_server.stat_syscall('/foo')
stat_result2 = lind_test_server.stat_syscall('/foo2')
# ensure they are the same now...
assert(stat_result2 == stat_result)
# and that the link count is 2
import lind_test_server
from lind_fs_constants import *
# Let's add a few directories to the system and see if it works...
lind_test_server._blank_fs_init()
lind_test_server.mkdir_syscall('/bar',S_IRWXA)
stat_result = lind_test_server.stat_syscall('/bar')
# ensure the mode is a dir with all bits on.
assert(stat_result[2] == S_IRWXA | S_IFDIR)
# create a dir with no perms...
lind_test_server.mkdir_syscall('/bar2',0)
stat_result = lind_test_server.stat_syscall('/bar2')
# ensure the mode is a dir with all bits on.
assert(stat_result[2] == S_IFDIR)
def cp_into_lind(fullfilename, rootpath='.', createmissingdirs=True):
"""
<Purpose>
Copies a file from POSIX into the Lind FS. It takes the abs path to
the file ('/etc/passwd') and looks for it in the POSIX FS off of the
root path. For example, rootpath = '/foo' -> '/foo/etc/passwd'.
If the file exists, it is overwritten...
<Arguments>
fullfilename: The location the file should live in the Lind FS.
This must be an absolute path (from the root).
rootpath: The directory in the POSIX fs to start looking for that file.
Note: it must be in the directory structure specified by fullfilename
createmissingdirs: Should missing dirs in the path be created?
<Exceptions>
IOError: If the file does not exist, the directory can't be created
(for example, if there is a file of the same name), or
createmissingdirs is False, but the path is invalid.
<Side Effects>
The obvious file IO operations
<Returns>
None
"""
# check for the file.
posixfn = os.path.join(rootpath,fullfilename)
if not os.path.exists(posixfn):
raise IOError("Cannot locate file on POSIX FS: '"+posixfn+"'")
if not os.path.isfile(posixfn):
raise IOError("POSIX FS path is not a file: '"+posixfn+"'")
# now, we should check / make intermediate dirs if needed...
# we will walk through the components of the dir and look for them...
# this removes '.', '///', and similar.
# BUG: On Windows, this converts '/' -> '\'. I don't think lind FS handles
# '\'...
normalizedlindfn = os.path.normpath(fullfilename)
normalizedlinddirname = os.path.dirname(normalizedlindfn)
# go through the directories and check if they are there, possibly creating
# needed ones...
currentdir = ''
# NOT os.path.split! I want each dir!!!
for thisdir in normalizedlinddirname.split('/'):
currentdir +=thisdir + '/'
try:
# check if this is a directory that exists
if IS_DIR(lind_test_server.stat_syscall(currentdir)[2]):
# all is well
continue
# otherwise, it exists, but isn't a dir...
raise IOError("LIND FS path exists and isn't a dir: '"+currentdir+"'")
except lind_test_server.SyscallError, e:
# must be missing dir or else let the caller see this!
if e[1] != "ENOENT":
raise
# okay, do I create it?
if not createmissingdirs:
raise IOError("LIND FS path does not exist but should not be created: '"+currentdir+"'")
# otherwise, make it ...
lind_test_server.mkdir_syscall(currentdir,S_IRWXA)
# and copy over the perms, etc.
_mirror_stat_data(os.path.join(rootpath,currentdir),currentdir)
import lind_test_server
from lind_fs_constants import *
# Let's add a few directories to the system and see if it works...
lind_test_server._blank_fs_init()
lind_test_server.mkdir_syscall('/bar', S_IRWXA)
stat_result = lind_test_server.stat_syscall('/bar')
# ensure the mode is a dir with all bits on.
assert (stat_result[2] == S_IRWXA | S_IFDIR)
# create a dir with no perms...
lind_test_server.mkdir_syscall('/bar2', 0)
stat_result = lind_test_server.stat_syscall('/bar2')
# ensure the mode is a dir with all bits on.
assert (stat_result[2] == S_IFDIR)
import lind_test_server
from lind_fs_constants import *
# Let's add a few directories to the system and see if it works...
lind_test_server._blank_fs_init()
lind_test_server.mkdir_syscall('/bar',S_IRWXA)
lind_test_server.mkdir_syscall('/bar/baz',S_IRWXA)
lind_test_server.mkdir_syscall('/bar/baz/yaargh',0)
stat_result = lind_test_server.stat_syscall('/bar/baz')
# ensure the mode is a dir with all bits on.
assert(stat_result[2] == S_IRWXA | S_IFDIR)
stat_result = lind_test_server.stat_syscall('/bar/baz/yaargh')
# ensure the mode is a dir with all bits on.
assert(stat_result[2] == S_IFDIR)
import lind_test_server as server
from lind_fs_constants import *
# This will load the filesystem and the special character files
# It checks if the metadata is already present, if so it will
# load up the metadata.
server.load_fs()
server.stat_syscall("/dev")
# Check If the special files have been created...
assert(server.stat_syscall("/dev/null")[6] == (1, 3))
assert(server.stat_syscall("/dev/random")[6] == (1, 8))
assert(server.stat_syscall("/dev/urandom")[6] == (1, 9))
import lind_test_server
from lind_fs_constants import *
# Let's add a few directories to the system and see if it works...
lind_test_server._blank_fs_init()
lind_test_server.mkdir_syscall('/bar', S_IRWXA)
lind_test_server.mkdir_syscall('/bar/baz', S_IRWXA)
lind_test_server.mkdir_syscall('/bar/baz/yaargh', 0)
stat_result = lind_test_server.stat_syscall('/bar/baz')
# ensure the mode is a dir with all bits on.
assert (stat_result[2] == S_IRWXA | S_IFDIR)
stat_result = lind_test_server.stat_syscall('/bar/baz/yaargh')
# ensure the mode is a dir with all bits on.
assert (stat_result[2] == S_IFDIR)
import lind_test_server
from lind_fs_constants import *
lind_test_server._blank_fs_init()
# / should exist.
lind_test_server.access_syscall("/", F_OK)
# / should be read / executable by other
lind_test_server.access_syscall("/", X_OK | R_OK)
stat_result = lind_test_server.stat_syscall("/")
# ensure there are 2 hard links to the root of an empty fs
assert stat_result[3] == 2
# ensure there is no associated size
assert stat_result[7] == 0
def getattr(self, path):
log("getattr", path)
try:
stats = lind.stat_syscall(path)
except lind.SyscallError, e:
return -errno[e[1]]
def _cp_file_into_lind(fullfilename, rootpath='.', createmissingdirs=True):
"""
<Purpose>
Copies a file from POSIX into the Lind FS. It takes the abs path to
the file ('/etc/passwd') and looks for it in the POSIX FS off of the
root path. For example, rootpath = '/foo' -> '/foo/etc/passwd'.
If the file exists, it is overwritten...
<Arguments>
fullfilename: The location the file should live in the Lind FS.
This must be an absolute path (from the root).
rootpath: The directory in the POSIX fs to start looking for that file.
Note: it must be in the directory structure specified by fullfilename
createmissingdirs: Should missing dirs in the path be created?
<Exceptions>
IOError: If the file does not exist, the directory can't be created
(for example, if there is a file of the same name), or
createmissingdirs is False, but the path is invalid.
<Side Effects>
The obvious file IO operations
<Returns>
None
"""
# check for the file.
posixfn = os.path.join(rootpath, fullfilename)
if not os.path.exists(posixfn):
raise IOError("Cannot locate file on POSIX FS: '" + posixfn + "'")
if not os.path.isfile(posixfn):
raise IOError("POSIX FS path is not a file: '" + posixfn + "'")
# now, we should check / make intermediate dirs if needed...
# we will walk through the components of the dir and look for them...
# this removes '.', '///', and similar.
# BUG: On Windows, this converts '/' -> '\'. I don't think lind FS handles
# '\'...
normalizedlindfn = os.path.normpath(fullfilename)
normalizedlinddirname = os.path.dirname(normalizedlindfn)
# go through the directories and check if they are there, possibly creating
# needed ones...
currentdir = ''
# NOT os.path.split! I want each dir!!!
for thisdir in normalizedlinddirname.split('/'):
currentdir += thisdir + '/'
try:
# check if this is a directory that exists
if IS_DIR(lind_test_server.stat_syscall(currentdir)[2]):
# all is well
continue
# otherwise, it exists, but isn't a dir...
raise IOError("LIND FS path exists and isn't a dir: '" + currentdir + "'")
except lind_test_server.SyscallError, e:
# must be missing dir or else let the caller see this!
if e[1] != "ENOENT":
raise
# okay, do I create it?
if not createmissingdirs:
raise IOError("LIND FS path does not exist but should not be created: '" + currentdir + "'")
# otherwise, make it ...
lind_test_server.mkdir_syscall(currentdir, S_IRWXA)
# and copy over the perms, etc.
_mirror_stat_data(os.path.join(rootpath, currentdir), currentdir)
if not os.path.isfile(posixfn): print posixfn+" is not regular file, skipping" return try: host_statinfo = os.stat(posixfn) except OSError, e: print e return else: host_time = host_statinfo.st_mtime host_size = host_statinfo.st_size try: lind_statinfo = lind_test_server.stat_syscall(fullfilename) except lind_test_server.SyscallError, e: print e else: lind_exists = True lind_time = lind_statinfo[12] lind_isfile = IS_REG(lind_statinfo[2]) lind_size = lind_statinfo[7] #always false because lind uses fake time if host_time<=lind_time: print "lind file is newer than host file, skipping" return if lind_exists and not lind_isfile: print fullfilename+" on lind file system is not a regular file, skipping"
import lind_test_server
from lind_fs_constants import *
# Let's add a few files, etc. to the system and see if it works...
lind_test_server._blank_fs_init()
filefd = lind_test_server.open_syscall('/foo',O_CREAT | O_EXCL | O_WRONLY,\
S_IRWXA)
assert lind_test_server.stat_syscall('/foo')[2] == S_IRWXA | S_IFREG, \
"Failed to have full access to all users."
lind_test_server.chmod_syscall('/foo', S_IRUSR | S_IRGRP)
assert lind_test_server.stat_syscall('/foo')[2] == S_IRUSR | S_IRGRP | S_IFREG\
, "Failed to set Read access to user and group."
lind_test_server.chmod_syscall('/foo', S_IRWXA)
assert lind_test_server.stat_syscall('/foo')[2] == S_IRWXA | S_IFREG, \
"Failed to set back full access to all users."
lind_test_server.close_syscall(filefd)
