1 |
dpavlin |
4 |
#!/usr/bin/env python |
2 |
|
|
#@+leo-ver=4 |
3 |
|
|
#@+node:@file xmp.py |
4 |
|
|
#@@first |
5 |
|
|
# |
6 |
|
|
# Copyright (C) 2001 Jeff Epler <jepler@unpythonic.dhs.org> |
7 |
|
|
# |
8 |
|
|
# This program can be distributed under the terms of the GNU GPL. |
9 |
|
|
# See the file COPYING. |
10 |
|
|
# |
11 |
|
|
|
12 |
|
|
#@+others |
13 |
|
|
#@+node:imports |
14 |
|
|
|
15 |
|
|
from fuse import Fuse |
16 |
|
|
import os |
17 |
|
|
from errno import * |
18 |
|
|
from stat import * |
19 |
|
|
|
20 |
|
|
import thread |
21 |
|
|
#@-node:imports |
22 |
|
|
#@+node:class Xmp |
23 |
|
|
class Xmp(Fuse): |
24 |
|
|
|
25 |
|
|
#@ @+others |
26 |
|
|
#@+node:__init__ |
27 |
|
|
def __init__(self, *args, **kw): |
28 |
|
|
|
29 |
|
|
Fuse.__init__(self, *args, **kw) |
30 |
|
|
|
31 |
|
|
if 0: |
32 |
|
|
print "xmp.py:Xmp:mountpoint: %s" % repr(self.mountpoint) |
33 |
|
|
print "xmp.py:Xmp:unnamed mount options: %s" % self.optlist |
34 |
|
|
print "xmp.py:Xmp:named mount options: %s" % self.optdict |
35 |
|
|
|
36 |
|
|
# do stuff to set up your filesystem here, if you want |
37 |
|
|
#thread.start_new_thread(self.mythread, ()) |
38 |
|
|
pass |
39 |
|
|
#@-node:__init__ |
40 |
|
|
#@+node:mythread |
41 |
|
|
def mythread(self): |
42 |
|
|
|
43 |
|
|
""" |
44 |
|
|
The beauty of the FUSE python implementation is that with the python interp |
45 |
|
|
running in foreground, you can have threads |
46 |
|
|
""" |
47 |
|
|
print "mythread: started" |
48 |
|
|
#while 1: |
49 |
|
|
# time.sleep(120) |
50 |
|
|
# print "mythread: ticking" |
51 |
|
|
|
52 |
|
|
#@-node:mythread |
53 |
|
|
#@+node:attribs |
54 |
|
|
flags = 1 |
55 |
|
|
|
56 |
|
|
#@-node:attribs |
57 |
|
|
#@+node:getattr |
58 |
|
|
def getattr(self, path): |
59 |
|
|
return os.lstat(path) |
60 |
|
|
#@-node:getattr |
61 |
|
|
#@+node:readlink |
62 |
|
|
def readlink(self, path): |
63 |
|
|
return os.readlink(path) |
64 |
|
|
#@-node:readlink |
65 |
|
|
#@+node:getdir |
66 |
|
|
def getdir(self, path): |
67 |
|
|
return map(lambda x: (x,0), os.listdir(path)) |
68 |
|
|
#@-node:getdir |
69 |
|
|
#@+node:unlink |
70 |
|
|
def unlink(self, path): |
71 |
|
|
return os.unlink(path) |
72 |
|
|
#@-node:unlink |
73 |
|
|
#@+node:rmdir |
74 |
|
|
def rmdir(self, path): |
75 |
|
|
return os.rmdir(path) |
76 |
|
|
#@-node:rmdir |
77 |
|
|
#@+node:symlink |
78 |
|
|
def symlink(self, path, path1): |
79 |
|
|
return os.symlink(path, path1) |
80 |
|
|
#@-node:symlink |
81 |
|
|
#@+node:rename |
82 |
|
|
def rename(self, path, path1): |
83 |
|
|
return os.rename(path, path1) |
84 |
|
|
#@-node:rename |
85 |
|
|
#@+node:link |
86 |
|
|
def link(self, path, path1): |
87 |
|
|
return os.link(path, path1) |
88 |
|
|
#@-node:link |
89 |
|
|
#@+node:chmod |
90 |
|
|
def chmod(self, path, mode): |
91 |
|
|
return os.chmod(path, mode) |
92 |
|
|
#@-node:chmod |
93 |
|
|
#@+node:chown |
94 |
|
|
def chown(self, path, user, group): |
95 |
|
|
return os.chown(path, user, group) |
96 |
|
|
#@-node:chown |
97 |
|
|
#@+node:truncate |
98 |
|
|
def truncate(self, path, size): |
99 |
|
|
f = open(path, "w+") |
100 |
|
|
return f.truncate(size) |
101 |
|
|
#@-node:truncate |
102 |
|
|
#@+node:mknod |
103 |
|
|
def mknod(self, path, mode, dev): |
104 |
|
|
""" Python has no os.mknod, so we can only do some things """ |
105 |
|
|
if S_ISREG(mode): |
106 |
|
|
open(path, "w") |
107 |
|
|
else: |
108 |
|
|
return -EINVAL |
109 |
|
|
#@-node:mknod |
110 |
|
|
#@+node:mkdir |
111 |
|
|
def mkdir(self, path, mode): |
112 |
|
|
return os.mkdir(path, mode) |
113 |
|
|
#@-node:mkdir |
114 |
|
|
#@+node:utime |
115 |
|
|
def utime(self, path, times): |
116 |
|
|
return os.utime(path, times) |
117 |
|
|
#@-node:utime |
118 |
|
|
#@+node:open |
119 |
|
|
def open(self, path, flags): |
120 |
|
|
#print "xmp.py:Xmp:open: %s" % path |
121 |
|
|
os.close(os.open(path, flags)) |
122 |
|
|
return 0 |
123 |
|
|
|
124 |
|
|
#@-node:open |
125 |
|
|
#@+node:read |
126 |
|
|
def read(self, path, len, offset): |
127 |
|
|
#print "xmp.py:Xmp:read: %s" % path |
128 |
|
|
f = open(path, "r") |
129 |
|
|
f.seek(offset) |
130 |
|
|
return f.read(len) |
131 |
|
|
|
132 |
|
|
#@-node:read |
133 |
|
|
#@+node:write |
134 |
|
|
def write(self, path, buf, off): |
135 |
|
|
#print "xmp.py:Xmp:write: %s" % path |
136 |
|
|
f = open(path, "r+") |
137 |
|
|
f.seek(off) |
138 |
|
|
f.write(buf) |
139 |
|
|
return len(buf) |
140 |
|
|
|
141 |
|
|
#@-node:write |
142 |
|
|
#@+node:release |
143 |
|
|
def release(self, path, flags): |
144 |
|
|
print "xmp.py:Xmp:release: %s %s" % (path, flags) |
145 |
|
|
return 0 |
146 |
|
|
#@-node:release |
147 |
|
|
#@+node:statfs |
148 |
|
|
def statfs(self): |
149 |
|
|
""" |
150 |
|
|
Should return a tuple with the following 6 elements: |
151 |
|
|
- blocksize - size of file blocks, in bytes |
152 |
|
|
- totalblocks - total number of blocks in the filesystem |
153 |
|
|
- freeblocks - number of free blocks |
154 |
|
|
- totalfiles - total number of file inodes |
155 |
|
|
- freefiles - nunber of free file inodes |
156 |
|
|
|
157 |
|
|
Feel free to set any of the above values to 0, which tells |
158 |
|
|
the kernel that the info is not available. |
159 |
|
|
""" |
160 |
|
|
print "xmp.py:Xmp:statfs: returning fictitious values" |
161 |
|
|
blocks_size = 1024 |
162 |
|
|
blocks = 100000 |
163 |
|
|
blocks_free = 25000 |
164 |
|
|
files = 100000 |
165 |
|
|
files_free = 60000 |
166 |
|
|
namelen = 80 |
167 |
|
|
return (blocks_size, blocks, blocks_free, files, files_free, namelen) |
168 |
|
|
#@-node:statfs |
169 |
|
|
#@+node:fsync |
170 |
|
|
def fsync(self, path, isfsyncfile): |
171 |
|
|
print "xmp.py:Xmp:fsync: path=%s, isfsyncfile=%s" % (path, isfsyncfile) |
172 |
|
|
return 0 |
173 |
|
|
|
174 |
|
|
#@-node:fsync |
175 |
|
|
#@-others |
176 |
|
|
#@-node:class Xmp |
177 |
|
|
#@+node:mainline |
178 |
|
|
|
179 |
|
|
if __name__ == '__main__': |
180 |
|
|
|
181 |
|
|
server = Xmp() |
182 |
|
|
server.flags = 0 |
183 |
|
|
server.multithreaded = 1; |
184 |
|
|
server.main() |
185 |
|
|
#@-node:mainline |
186 |
|
|
#@-others |
187 |
|
|
#@-node:@file xmp.py |
188 |
|
|
#@-leo |