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dpavlin |
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#!/usr/bin/env python |
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#@+leo-ver=4 |
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#@+node:@file xmp.py |
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#@@first |
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# |
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# Copyright (C) 2001 Jeff Epler <jepler@unpythonic.dhs.org> |
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# |
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# This program can be distributed under the terms of the GNU GPL. |
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# See the file COPYING. |
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# |
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#@+others |
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#@+node:imports |
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from fuse import Fuse |
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import os |
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from errno import * |
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from stat import * |
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import thread |
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#@-node:imports |
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#@+node:class Xmp |
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class Xmp(Fuse): |
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#@ @+others |
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#@+node:__init__ |
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def __init__(self, *args, **kw): |
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Fuse.__init__(self, *args, **kw) |
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if 0: |
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print "xmp.py:Xmp:mountpoint: %s" % repr(self.mountpoint) |
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print "xmp.py:Xmp:unnamed mount options: %s" % self.optlist |
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print "xmp.py:Xmp:named mount options: %s" % self.optdict |
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# do stuff to set up your filesystem here, if you want |
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#thread.start_new_thread(self.mythread, ()) |
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pass |
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#@-node:__init__ |
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#@+node:mythread |
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def mythread(self): |
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""" |
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The beauty of the FUSE python implementation is that with the python interp |
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running in foreground, you can have threads |
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""" |
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print "mythread: started" |
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#while 1: |
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# time.sleep(120) |
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# print "mythread: ticking" |
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#@-node:mythread |
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#@+node:attribs |
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flags = 1 |
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#@-node:attribs |
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#@+node:getattr |
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def getattr(self, path): |
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return os.lstat(path) |
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#@-node:getattr |
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#@+node:readlink |
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def readlink(self, path): |
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return os.readlink(path) |
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#@-node:readlink |
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#@+node:getdir |
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def getdir(self, path): |
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return map(lambda x: (x,0), os.listdir(path)) |
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#@-node:getdir |
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#@+node:unlink |
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def unlink(self, path): |
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return os.unlink(path) |
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#@-node:unlink |
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#@+node:rmdir |
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def rmdir(self, path): |
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return os.rmdir(path) |
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#@-node:rmdir |
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#@+node:symlink |
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def symlink(self, path, path1): |
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return os.symlink(path, path1) |
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#@-node:symlink |
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#@+node:rename |
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def rename(self, path, path1): |
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return os.rename(path, path1) |
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#@-node:rename |
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#@+node:link |
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def link(self, path, path1): |
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return os.link(path, path1) |
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#@-node:link |
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#@+node:chmod |
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def chmod(self, path, mode): |
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return os.chmod(path, mode) |
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#@-node:chmod |
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#@+node:chown |
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def chown(self, path, user, group): |
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return os.chown(path, user, group) |
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#@-node:chown |
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#@+node:truncate |
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def truncate(self, path, size): |
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f = open(path, "w+") |
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return f.truncate(size) |
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#@-node:truncate |
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#@+node:mknod |
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def mknod(self, path, mode, dev): |
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""" Python has no os.mknod, so we can only do some things """ |
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if S_ISREG(mode): |
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open(path, "w") |
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else: |
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return -EINVAL |
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#@-node:mknod |
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#@+node:mkdir |
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def mkdir(self, path, mode): |
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return os.mkdir(path, mode) |
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#@-node:mkdir |
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#@+node:utime |
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def utime(self, path, times): |
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return os.utime(path, times) |
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#@-node:utime |
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#@+node:open |
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def open(self, path, flags): |
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#print "xmp.py:Xmp:open: %s" % path |
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os.close(os.open(path, flags)) |
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return 0 |
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#@-node:open |
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#@+node:read |
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def read(self, path, len, offset): |
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#print "xmp.py:Xmp:read: %s" % path |
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f = open(path, "r") |
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f.seek(offset) |
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return f.read(len) |
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#@-node:read |
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#@+node:write |
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def write(self, path, buf, off): |
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#print "xmp.py:Xmp:write: %s" % path |
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f = open(path, "r+") |
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f.seek(off) |
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f.write(buf) |
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return len(buf) |
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#@-node:write |
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#@+node:release |
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def release(self, path, flags): |
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print "xmp.py:Xmp:release: %s %s" % (path, flags) |
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return 0 |
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#@-node:release |
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#@+node:statfs |
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def statfs(self): |
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""" |
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Should return a tuple with the following 6 elements: |
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- blocksize - size of file blocks, in bytes |
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- totalblocks - total number of blocks in the filesystem |
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- freeblocks - number of free blocks |
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- totalfiles - total number of file inodes |
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- freefiles - nunber of free file inodes |
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Feel free to set any of the above values to 0, which tells |
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the kernel that the info is not available. |
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""" |
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print "xmp.py:Xmp:statfs: returning fictitious values" |
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blocks_size = 1024 |
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blocks = 100000 |
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blocks_free = 25000 |
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files = 100000 |
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files_free = 60000 |
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namelen = 80 |
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return (blocks_size, blocks, blocks_free, files, files_free, namelen) |
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#@-node:statfs |
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#@+node:fsync |
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def fsync(self, path, isfsyncfile): |
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print "xmp.py:Xmp:fsync: path=%s, isfsyncfile=%s" % (path, isfsyncfile) |
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return 0 |
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#@-node:fsync |
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#@-others |
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#@-node:class Xmp |
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#@+node:mainline |
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if __name__ == '__main__': |
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server = Xmp() |
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server.flags = 0 |
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server.multithreaded = 1; |
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server.main() |
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#@-node:mainline |
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#@-others |
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#@-node:@file xmp.py |
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#@-leo |
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