Mercurial > hg
annotate hgext/inotify/server.py @ 8791:23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
---|---|
date | Sat, 13 Jun 2009 18:41:28 +0200 |
parents | 9aca76502280 |
children | 3e23b1d20837 |
rev | line source |
---|---|
6239 | 1 # server.py - inotify status server |
2 # | |
3 # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> | |
4 # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> | |
5 # | |
8225
46293a0c7e9f
updated license to be explicit about GPL version 2
Martin Geisler <mg@lazybytes.net>
parents:
8209
diff
changeset
|
6 # This software may be used and distributed according to the terms of the |
46293a0c7e9f
updated license to be explicit about GPL version 2
Martin Geisler <mg@lazybytes.net>
parents:
8209
diff
changeset
|
7 # GNU General Public License version 2, incorporated herein by reference. |
6239 | 8 |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
9 from mercurial.i18n import _ |
7420
b4ac1e2cd38c
inotify: remove unused imports (thanks pyflakes)
Brendan Cully <brendan@kublai.com>
parents:
7351
diff
changeset
|
10 from mercurial import osutil, util |
6239 | 11 import common |
6997
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
12 import errno, os, select, socket, stat, struct, sys, tempfile, time |
6239 | 13 |
14 try: | |
6994
bf727bab38b9
Use relative imports in inotify.server.
Brendan Cully <brendan@kublai.com>
parents:
6287
diff
changeset
|
15 import linux as inotify |
bf727bab38b9
Use relative imports in inotify.server.
Brendan Cully <brendan@kublai.com>
parents:
6287
diff
changeset
|
16 from linux import watcher |
6239 | 17 except ImportError: |
18 raise | |
19 | |
20 class AlreadyStartedException(Exception): pass | |
21 | |
22 def join(a, b): | |
23 if a: | |
24 if a[-1] == '/': | |
25 return a + b | |
26 return a + '/' + b | |
27 return b | |
28 | |
8787
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
29 def split(path): |
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
30 c = path.rfind('/') |
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
31 if c == -1: |
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
32 return '', path |
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
33 return path[:c], path[c+1:] |
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
34 |
6239 | 35 walk_ignored_errors = (errno.ENOENT, errno.ENAMETOOLONG) |
36 | |
37 def walkrepodirs(repo): | |
38 '''Iterate over all subdirectories of this repo. | |
39 Exclude the .hg directory, any nested repos, and ignored dirs.''' | |
40 rootslash = repo.root + os.sep | |
8322
3c6c21eb3416
inotify: inotify.server.walkrepodirs() simplify walking
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8321
diff
changeset
|
41 |
6239 | 42 def walkit(dirname, top): |
8321
ec985dcfd7da
inotify: inotify.server.walkrepodirs() simplify
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8320
diff
changeset
|
43 fullpath = rootslash + dirname |
6239 | 44 try: |
8321
ec985dcfd7da
inotify: inotify.server.walkrepodirs() simplify
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8320
diff
changeset
|
45 for name, kind in osutil.listdir(fullpath): |
6239 | 46 if kind == stat.S_IFDIR: |
47 if name == '.hg': | |
8323
589a82fb02a2
inotify: inotify.server.walk*() cleanup
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8322
diff
changeset
|
48 if not top: |
589a82fb02a2
inotify: inotify.server.walk*() cleanup
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8322
diff
changeset
|
49 return |
6239 | 50 else: |
51 d = join(dirname, name) | |
52 if repo.dirstate._ignore(d): | |
53 continue | |
8322
3c6c21eb3416
inotify: inotify.server.walkrepodirs() simplify walking
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8321
diff
changeset
|
54 for subdir in walkit(d, False): |
3c6c21eb3416
inotify: inotify.server.walkrepodirs() simplify walking
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8321
diff
changeset
|
55 yield subdir |
6239 | 56 except OSError, err: |
57 if err.errno not in walk_ignored_errors: | |
58 raise | |
8324
b923d599c309
inotify: inotify.server.walk*() remove unnecessary var
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8323
diff
changeset
|
59 yield fullpath |
8322
3c6c21eb3416
inotify: inotify.server.walkrepodirs() simplify walking
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8321
diff
changeset
|
60 |
3c6c21eb3416
inotify: inotify.server.walkrepodirs() simplify walking
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8321
diff
changeset
|
61 return walkit('', True) |
6239 | 62 |
63 def walk(repo, root): | |
64 '''Like os.walk, but only yields regular files.''' | |
65 | |
66 # This function is critical to performance during startup. | |
67 | |
68 rootslash = repo.root + os.sep | |
69 | |
70 def walkit(root, reporoot): | |
71 files, dirs = [], [] | |
72 | |
73 try: | |
74 fullpath = rootslash + root | |
75 for name, kind in osutil.listdir(fullpath): | |
76 if kind == stat.S_IFDIR: | |
77 if name == '.hg': | |
8325
f2559645643a
inotify: inotify.server.walk() simplify control flow
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8324
diff
changeset
|
78 if not reporoot: |
8323
589a82fb02a2
inotify: inotify.server.walk*() cleanup
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8322
diff
changeset
|
79 return |
8325
f2559645643a
inotify: inotify.server.walk() simplify control flow
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8324
diff
changeset
|
80 else: |
f2559645643a
inotify: inotify.server.walk() simplify control flow
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8324
diff
changeset
|
81 dirs.append(name) |
8381
f52fcc864df4
inotify: server.walk(): use yield instead of for
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8336
diff
changeset
|
82 path = join(root, name) |
f52fcc864df4
inotify: server.walk(): use yield instead of for
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8336
diff
changeset
|
83 if repo.dirstate._ignore(path): |
f52fcc864df4
inotify: server.walk(): use yield instead of for
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8336
diff
changeset
|
84 continue |
f52fcc864df4
inotify: server.walk(): use yield instead of for
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8336
diff
changeset
|
85 for result in walkit(path, False): |
f52fcc864df4
inotify: server.walk(): use yield instead of for
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8336
diff
changeset
|
86 yield result |
6239 | 87 elif kind in (stat.S_IFREG, stat.S_IFLNK): |
8334
0695288e8c37
inotify: inotify.server.walk() filetype is never used, do not yield it
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8325
diff
changeset
|
88 files.append(name) |
8324
b923d599c309
inotify: inotify.server.walk*() remove unnecessary var
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8323
diff
changeset
|
89 yield fullpath, dirs, files |
6239 | 90 |
91 except OSError, err: | |
92 if err.errno not in walk_ignored_errors: | |
93 raise | |
8320
a1305c1c8d8e
inotify: inotify.server.walk() simplify algorithm
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8319
diff
changeset
|
94 |
a1305c1c8d8e
inotify: inotify.server.walk() simplify algorithm
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8319
diff
changeset
|
95 return walkit(root, root == '') |
6239 | 96 |
8786
55af9be4efac
inotify: remove unused variables
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8610
diff
changeset
|
97 def _explain_watch_limit(ui, repo): |
6239 | 98 path = '/proc/sys/fs/inotify/max_user_watches' |
99 try: | |
100 limit = int(file(path).read()) | |
101 except IOError, err: | |
102 if err.errno != errno.ENOENT: | |
103 raise | |
104 raise util.Abort(_('this system does not seem to ' | |
105 'support inotify')) | |
106 ui.warn(_('*** the current per-user limit on the number ' | |
107 'of inotify watches is %s\n') % limit) | |
108 ui.warn(_('*** this limit is too low to watch every ' | |
109 'directory in this repository\n')) | |
110 ui.warn(_('*** counting directories: ')) | |
111 ndirs = len(list(walkrepodirs(repo))) | |
112 ui.warn(_('found %d\n') % ndirs) | |
113 newlimit = min(limit, 1024) | |
114 while newlimit < ((limit + ndirs) * 1.1): | |
115 newlimit *= 2 | |
116 ui.warn(_('*** to raise the limit from %d to %d (run as root):\n') % | |
117 (limit, newlimit)) | |
118 ui.warn(_('*** echo %d > %s\n') % (newlimit, path)) | |
119 raise util.Abort(_('cannot watch %s until inotify watch limit is raised') | |
120 % repo.root) | |
121 | |
8610
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
122 class pollable(object): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
123 """ |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
124 Interface to support polling. |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
125 The file descriptor returned by fileno() is registered to a polling |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
126 object. |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
127 Usage: |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
128 Every tick, check if an event has happened since the last tick: |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
129 * If yes, call handle_events |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
130 * If no, call handle_timeout |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
131 """ |
6239 | 132 poll_events = select.POLLIN |
8610
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
133 def fileno(self): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
134 raise NotImplementedError |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
135 |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
136 def handle_events(self, events): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
137 raise NotImplementedError |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
138 |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
139 def handle_timeout(self): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
140 raise NotImplementedError |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
141 |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
142 def shutdown(self): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
143 raise NotImplementedError |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
144 |
8791
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
145 def eventaction(code): |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
146 """ |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
147 Decorator to help handle events in repowatcher |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
148 """ |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
149 def decorator(f): |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
150 def wrapper(self, wpath): |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
151 if code == 'm' and wpath in self.lastevent and \ |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
152 self.lastevent[wpath] in 'cm': |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
153 return |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
154 self.lastevent[wpath] = code |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
155 self.timeout = 250 |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
156 |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
157 f(self, wpath) |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
158 |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
159 wrapper.func_name = f.func_name |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
160 return wrapper |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
161 return decorator |
23730a475363
inotify.server: the decorator eventaction() shouldn't be a method of repowatcher
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8787
diff
changeset
|
162 |
8610
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
163 class repowatcher(pollable): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
164 """ |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
165 Watches inotify events |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
166 """ |
6239 | 167 statuskeys = 'almr!?' |
8383
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
168 mask = ( |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
169 inotify.IN_ATTRIB | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
170 inotify.IN_CREATE | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
171 inotify.IN_DELETE | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
172 inotify.IN_DELETE_SELF | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
173 inotify.IN_MODIFY | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
174 inotify.IN_MOVED_FROM | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
175 inotify.IN_MOVED_TO | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
176 inotify.IN_MOVE_SELF | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
177 inotify.IN_ONLYDIR | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
178 inotify.IN_UNMOUNT | |
dcfdcb51ac5c
inotify: make mask a class variable since it's instance-independant
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8382
diff
changeset
|
179 0) |
6239 | 180 |
181 def __init__(self, ui, repo, master): | |
182 self.ui = ui | |
183 self.repo = repo | |
184 self.wprefix = self.repo.wjoin('') | |
185 self.timeout = None | |
186 self.master = master | |
187 try: | |
8385
1536501ade62
inotify: Coding Style: name classes in lowercase.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8384
diff
changeset
|
188 self.watcher = watcher.watcher() |
6239 | 189 except OSError, err: |
190 raise util.Abort(_('inotify service not available: %s') % | |
191 err.strerror) | |
8385
1536501ade62
inotify: Coding Style: name classes in lowercase.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8384
diff
changeset
|
192 self.threshold = watcher.threshold(self.watcher) |
6239 | 193 self.registered = True |
194 self.fileno = self.watcher.fileno | |
195 | |
196 self.tree = {} | |
197 self.statcache = {} | |
198 self.statustrees = dict([(s, {}) for s in self.statuskeys]) | |
199 | |
200 self.watches = 0 | |
201 self.last_event = None | |
202 | |
8605
ed2d9bdbfad2
inotify: do not defer inotify events processing
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8604
diff
changeset
|
203 self.lastevent = {} |
6239 | 204 |
205 self.ds_info = self.dirstate_info() | |
8604
578f2a0049cd
inotify: do not recurse in handle_timeout(): call it explicitely, not in scan()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8600
diff
changeset
|
206 self.handle_timeout() |
6239 | 207 self.scan() |
208 | |
209 def event_time(self): | |
210 last = self.last_event | |
211 now = time.time() | |
212 self.last_event = now | |
213 | |
214 if last is None: | |
215 return 'start' | |
216 delta = now - last | |
217 if delta < 5: | |
218 return '+%.3f' % delta | |
219 if delta < 50: | |
220 return '+%.2f' % delta | |
221 return '+%.1f' % delta | |
222 | |
223 def dirstate_info(self): | |
224 try: | |
225 st = os.lstat(self.repo.join('dirstate')) | |
226 return st.st_mtime, st.st_ino | |
227 except OSError, err: | |
228 if err.errno != errno.ENOENT: | |
229 raise | |
230 return 0, 0 | |
231 | |
232 def add_watch(self, path, mask): | |
233 if not path: | |
234 return | |
235 if self.watcher.path(path) is None: | |
236 if self.ui.debugflag: | |
237 self.ui.note(_('watching %r\n') % path[len(self.wprefix):]) | |
238 try: | |
239 self.watcher.add(path, mask) | |
240 self.watches += 1 | |
241 except OSError, err: | |
242 if err.errno in (errno.ENOENT, errno.ENOTDIR): | |
243 return | |
244 if err.errno != errno.ENOSPC: | |
245 raise | |
8786
55af9be4efac
inotify: remove unused variables
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8610
diff
changeset
|
246 _explain_watch_limit(self.ui, self.repo) |
6239 | 247 |
248 def setup(self): | |
249 self.ui.note(_('watching directories under %r\n') % self.repo.root) | |
250 self.add_watch(self.repo.path, inotify.IN_DELETE) | |
251 self.check_dirstate() | |
252 | |
253 def wpath(self, evt): | |
254 path = evt.fullpath | |
255 if path == self.repo.root: | |
256 return '' | |
257 if path.startswith(self.wprefix): | |
258 return path[len(self.wprefix):] | |
259 raise 'wtf? ' + path | |
260 | |
261 def dir(self, tree, path): | |
262 if path: | |
263 for name in path.split('/'): | |
8384
483d9b2103da
inotify: dic.setdefault(k, d) ; v = dic[k] --> v = dic.setdefault(k, d)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8383
diff
changeset
|
264 tree = tree.setdefault(name, {}) |
6239 | 265 return tree |
266 | |
267 def lookup(self, path, tree): | |
268 if path: | |
269 try: | |
270 for name in path.split('/'): | |
271 tree = tree[name] | |
272 except KeyError: | |
7351
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
273 return 'x' |
6239 | 274 except TypeError: |
7351
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
275 return 'd' |
6239 | 276 return tree |
277 | |
278 def filestatus(self, fn, st): | |
279 try: | |
280 type_, mode, size, time = self.repo.dirstate._map[fn][:4] | |
281 except KeyError: | |
282 type_ = '?' | |
283 if type_ == 'n': | |
284 st_mode, st_size, st_mtime = st | |
7082
be81b4788115
inotify: fix confusion on files in lookup state
Matt Mackall <mpm@selenic.com>
parents:
6998
diff
changeset
|
285 if size == -1: |
be81b4788115
inotify: fix confusion on files in lookup state
Matt Mackall <mpm@selenic.com>
parents:
6998
diff
changeset
|
286 return 'l' |
6239 | 287 if size and (size != st_size or (mode ^ st_mode) & 0100): |
288 return 'm' | |
289 if time != int(st_mtime): | |
290 return 'l' | |
291 return 'n' | |
292 if type_ == '?' and self.repo.dirstate._ignore(fn): | |
293 return 'i' | |
294 return type_ | |
295 | |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
296 def updatefile(self, wfn, osstat): |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
297 ''' |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
298 update the file entry of an existing file. |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
299 |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
300 osstat: (mode, size, time) tuple, as returned by os.lstat(wfn) |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
301 ''' |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
302 |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
303 self._updatestatus(wfn, self.filestatus(wfn, osstat)) |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
304 |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
305 def deletefile(self, wfn, oldstatus): |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
306 ''' |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
307 update the entry of a file which has been deleted. |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
308 |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
309 oldstatus: char in statuskeys, status of the file before deletion |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
310 ''' |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
311 if oldstatus == 'r': |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
312 newstatus = 'r' |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
313 elif oldstatus in 'almn': |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
314 newstatus = '!' |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
315 else: |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
316 newstatus = None |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
317 |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
318 self.statcache.pop(wfn, None) |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
319 self._updatestatus(wfn, newstatus) |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
320 |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
321 def _updatestatus(self, wfn, newstatus): |
8382
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
322 ''' |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
323 Update the stored status of a file or directory. |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
324 |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
325 newstatus: - char in (statuskeys + 'ni'), new status to apply. |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
326 - or None, to stop tracking wfn |
8382
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
327 ''' |
8787
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
328 root, fn = split(wfn) |
6239 | 329 d = self.dir(self.tree, root) |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
330 |
7351
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
331 oldstatus = d.get(fn) |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
332 # oldstatus can be either: |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
333 # - None : fn is new |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
334 # - a char in statuskeys: fn is a (tracked) file |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
335 # - a dict: fn is a directory |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
336 isdir = isinstance(oldstatus, dict) |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
337 |
8382
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
338 if self.ui.debugflag and oldstatus != newstatus: |
6239 | 339 if isdir: |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
340 self.ui.note(_('status: %r dir(%d) -> %s\n') % |
8382
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
341 (wfn, len(oldstatus), newstatus)) |
6239 | 342 else: |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
343 self.ui.note(_('status: %r %s -> %s\n') % |
8382
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
344 (wfn, oldstatus, newstatus)) |
6239 | 345 if not isdir: |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
346 if oldstatus and oldstatus in self.statuskeys \ |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
347 and oldstatus != newstatus: |
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
348 del self.dir(self.statustrees[oldstatus], root)[fn] |
8382
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
349 if newstatus and newstatus != 'i': |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
350 d[fn] = newstatus |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
351 if newstatus in self.statuskeys: |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
352 dd = self.dir(self.statustrees[newstatus], root) |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
353 if oldstatus != newstatus or fn not in dd: |
6f44b1adc948
inotify: RepoWatcher.updatestatus: document & use meaningful parameter names
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8381
diff
changeset
|
354 dd[fn] = newstatus |
6239 | 355 else: |
356 d.pop(fn, None) | |
7892
67e59a9886d5
Fixing issue1542, adding a relevant test
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
7451
diff
changeset
|
357 |
6239 | 358 |
359 def check_deleted(self, key): | |
360 # Files that had been deleted but were present in the dirstate | |
361 # may have vanished from the dirstate; we must clean them up. | |
362 nuke = [] | |
363 for wfn, ignore in self.walk(key, self.statustrees[key]): | |
364 if wfn not in self.repo.dirstate: | |
365 nuke.append(wfn) | |
366 for wfn in nuke: | |
8787
9aca76502280
inotify: server: move split() out of server
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8786
diff
changeset
|
367 root, fn = split(wfn) |
6239 | 368 del self.dir(self.statustrees[key], root)[fn] |
369 del self.dir(self.tree, root)[fn] | |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
370 |
6239 | 371 def scan(self, topdir=''): |
372 ds = self.repo.dirstate._map.copy() | |
373 self.add_watch(join(self.repo.root, topdir), self.mask) | |
8334
0695288e8c37
inotify: inotify.server.walk() filetype is never used, do not yield it
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8325
diff
changeset
|
374 for root, dirs, files in walk(self.repo, topdir): |
6239 | 375 for d in dirs: |
376 self.add_watch(join(root, d), self.mask) | |
377 wroot = root[len(self.wprefix):] | |
8334
0695288e8c37
inotify: inotify.server.walk() filetype is never used, do not yield it
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8325
diff
changeset
|
378 for fn in files: |
6239 | 379 wfn = join(wroot, fn) |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
380 self.updatefile(wfn, self.getstat(wfn)) |
6239 | 381 ds.pop(wfn, None) |
382 wtopdir = topdir | |
383 if wtopdir and wtopdir[-1] != '/': | |
384 wtopdir += '/' | |
385 for wfn, state in ds.iteritems(): | |
386 if not wfn.startswith(wtopdir): | |
387 continue | |
7302
972737252d05
inotify: server raising an error when removing a file (issue1371)
Gerard Korsten <soonkia77@gmail.com>
parents:
7280
diff
changeset
|
388 try: |
972737252d05
inotify: server raising an error when removing a file (issue1371)
Gerard Korsten <soonkia77@gmail.com>
parents:
7280
diff
changeset
|
389 st = self.stat(wfn) |
972737252d05
inotify: server raising an error when removing a file (issue1371)
Gerard Korsten <soonkia77@gmail.com>
parents:
7280
diff
changeset
|
390 except OSError: |
972737252d05
inotify: server raising an error when removing a file (issue1371)
Gerard Korsten <soonkia77@gmail.com>
parents:
7280
diff
changeset
|
391 status = state[0] |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
392 self.deletefile(wfn, status) |
6239 | 393 else: |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
394 self.updatefile(wfn, st) |
6239 | 395 self.check_deleted('!') |
396 self.check_deleted('r') | |
397 | |
398 def check_dirstate(self): | |
399 ds_info = self.dirstate_info() | |
400 if ds_info == self.ds_info: | |
401 return | |
402 self.ds_info = ds_info | |
403 if not self.ui.debugflag: | |
404 self.last_event = None | |
405 self.ui.note(_('%s dirstate reload\n') % self.event_time()) | |
406 self.repo.dirstate.invalidate() | |
8604
578f2a0049cd
inotify: do not recurse in handle_timeout(): call it explicitely, not in scan()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8600
diff
changeset
|
407 self.handle_timeout() |
6239 | 408 self.scan() |
409 self.ui.note(_('%s end dirstate reload\n') % self.event_time()) | |
410 | |
411 def walk(self, states, tree, prefix=''): | |
412 # This is the "inner loop" when talking to the client. | |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
413 |
6239 | 414 for name, val in tree.iteritems(): |
415 path = join(prefix, name) | |
7351
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
416 try: |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
417 if val in states: |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
418 yield path, val |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
419 except TypeError: |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
420 for p in self.walk(states, val, path): |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
421 yield p |
6239 | 422 |
423 def update_hgignore(self): | |
424 # An update of the ignore file can potentially change the | |
425 # states of all unknown and ignored files. | |
426 | |
427 # XXX If the user has other ignore files outside the repo, or | |
428 # changes their list of ignore files at run time, we'll | |
429 # potentially never see changes to them. We could get the | |
430 # client to report to us what ignore data they're using. | |
431 # But it's easier to do nothing than to open that can of | |
432 # worms. | |
433 | |
7085
1fcc282e2c43
inotify: fixup rebuilding ignore
Matt Mackall <mpm@selenic.com>
parents:
7082
diff
changeset
|
434 if '_ignore' in self.repo.dirstate.__dict__: |
1fcc282e2c43
inotify: fixup rebuilding ignore
Matt Mackall <mpm@selenic.com>
parents:
7082
diff
changeset
|
435 delattr(self.repo.dirstate, '_ignore') |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
436 self.ui.note(_('rescanning due to .hgignore change\n')) |
8604
578f2a0049cd
inotify: do not recurse in handle_timeout(): call it explicitely, not in scan()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8600
diff
changeset
|
437 self.handle_timeout() |
6239 | 438 self.scan() |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
439 |
6239 | 440 def getstat(self, wpath): |
441 try: | |
442 return self.statcache[wpath] | |
443 except KeyError: | |
444 try: | |
445 return self.stat(wpath) | |
446 except OSError, err: | |
447 if err.errno != errno.ENOENT: | |
448 raise | |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
449 |
6239 | 450 def stat(self, wpath): |
451 try: | |
452 st = os.lstat(join(self.wprefix, wpath)) | |
453 ret = st.st_mode, st.st_size, st.st_mtime | |
454 self.statcache[wpath] = ret | |
455 return ret | |
7280
810ca383da9c
remove unused variables
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7220
diff
changeset
|
456 except OSError: |
6239 | 457 self.statcache.pop(wpath, None) |
458 raise | |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
459 |
8606
1c5752dabf76
inotify: use a decorator instead of dispatching calls
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8605
diff
changeset
|
460 @eventaction('c') |
6239 | 461 def created(self, wpath): |
462 if wpath == '.hgignore': | |
463 self.update_hgignore() | |
464 try: | |
465 st = self.stat(wpath) | |
466 if stat.S_ISREG(st[0]): | |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
467 self.updatefile(wpath, st) |
7280
810ca383da9c
remove unused variables
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7220
diff
changeset
|
468 except OSError: |
6239 | 469 pass |
470 | |
8606
1c5752dabf76
inotify: use a decorator instead of dispatching calls
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8605
diff
changeset
|
471 @eventaction('m') |
6239 | 472 def modified(self, wpath): |
473 if wpath == '.hgignore': | |
474 self.update_hgignore() | |
475 try: | |
476 st = self.stat(wpath) | |
477 if stat.S_ISREG(st[0]): | |
478 if self.repo.dirstate[wpath] in 'lmn': | |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
479 self.updatefile(wpath, st) |
6239 | 480 except OSError: |
481 pass | |
482 | |
8606
1c5752dabf76
inotify: use a decorator instead of dispatching calls
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8605
diff
changeset
|
483 @eventaction('d') |
6239 | 484 def deleted(self, wpath): |
485 if wpath == '.hgignore': | |
486 self.update_hgignore() | |
487 elif wpath.startswith('.hg/'): | |
488 if wpath == '.hg/wlock': | |
489 self.check_dirstate() | |
490 return | |
491 | |
8599
1f706b1b62f3
inotify: server: refactor updatestatus()
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8557
diff
changeset
|
492 self.deletefile(wpath, self.repo.dirstate[wpath]) |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
493 |
6239 | 494 def process_create(self, wpath, evt): |
495 if self.ui.debugflag: | |
496 self.ui.note(_('%s event: created %s\n') % | |
497 (self.event_time(), wpath)) | |
498 | |
499 if evt.mask & inotify.IN_ISDIR: | |
500 self.scan(wpath) | |
501 else: | |
8606
1c5752dabf76
inotify: use a decorator instead of dispatching calls
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8605
diff
changeset
|
502 self.created(wpath) |
6239 | 503 |
504 def process_delete(self, wpath, evt): | |
505 if self.ui.debugflag: | |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
506 self.ui.note(_('%s event: deleted %s\n') % |
6239 | 507 (self.event_time(), wpath)) |
508 | |
509 if evt.mask & inotify.IN_ISDIR: | |
8600
d46cdfcecaf1
inotify: proper fix for issue1542 (partially reverting 67e59a9886d5)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8599
diff
changeset
|
510 tree = self.dir(self.tree, wpath).copy() |
d46cdfcecaf1
inotify: proper fix for issue1542 (partially reverting 67e59a9886d5)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8599
diff
changeset
|
511 for wfn, ignore in self.walk('?', tree): |
d46cdfcecaf1
inotify: proper fix for issue1542 (partially reverting 67e59a9886d5)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8599
diff
changeset
|
512 self.deletefile(join(wpath, wfn), '?') |
6239 | 513 self.scan(wpath) |
8600
d46cdfcecaf1
inotify: proper fix for issue1542 (partially reverting 67e59a9886d5)
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8599
diff
changeset
|
514 else: |
8606
1c5752dabf76
inotify: use a decorator instead of dispatching calls
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8605
diff
changeset
|
515 self.deleted(wpath) |
6239 | 516 |
517 def process_modify(self, wpath, evt): | |
518 if self.ui.debugflag: | |
519 self.ui.note(_('%s event: modified %s\n') % | |
520 (self.event_time(), wpath)) | |
521 | |
522 if not (evt.mask & inotify.IN_ISDIR): | |
8606
1c5752dabf76
inotify: use a decorator instead of dispatching calls
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8605
diff
changeset
|
523 self.modified(wpath) |
6239 | 524 |
525 def process_unmount(self, evt): | |
526 self.ui.warn(_('filesystem containing %s was unmounted\n') % | |
527 evt.fullpath) | |
528 sys.exit(0) | |
529 | |
8609
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
530 def handle_pollevents(self, events): |
6239 | 531 if self.ui.debugflag: |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
532 self.ui.note(_('%s readable: %d bytes\n') % |
6239 | 533 (self.event_time(), self.threshold.readable())) |
534 if not self.threshold(): | |
535 if self.registered: | |
536 if self.ui.debugflag: | |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
537 self.ui.note(_('%s below threshold - unhooking\n') % |
6239 | 538 (self.event_time())) |
8607
e17eba98c789
inotify: handle_event: do not use event and fd parameters.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8606
diff
changeset
|
539 self.master.poll.unregister(self.fileno()) |
6239 | 540 self.registered = False |
541 self.timeout = 250 | |
542 else: | |
543 self.read_events() | |
544 | |
545 def read_events(self, bufsize=None): | |
546 events = self.watcher.read(bufsize) | |
547 if self.ui.debugflag: | |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
548 self.ui.note(_('%s reading %d events\n') % |
6239 | 549 (self.event_time(), len(events))) |
550 for evt in events: | |
551 wpath = self.wpath(evt) | |
552 if evt.mask & inotify.IN_UNMOUNT: | |
553 self.process_unmount(wpath, evt) | |
554 elif evt.mask & (inotify.IN_MODIFY | inotify.IN_ATTRIB): | |
555 self.process_modify(wpath, evt) | |
556 elif evt.mask & (inotify.IN_DELETE | inotify.IN_DELETE_SELF | | |
557 inotify.IN_MOVED_FROM): | |
558 self.process_delete(wpath, evt) | |
559 elif evt.mask & (inotify.IN_CREATE | inotify.IN_MOVED_TO): | |
560 self.process_create(wpath, evt) | |
561 | |
8605
ed2d9bdbfad2
inotify: do not defer inotify events processing
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8604
diff
changeset
|
562 self.lastevent.clear() |
ed2d9bdbfad2
inotify: do not defer inotify events processing
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8604
diff
changeset
|
563 |
6239 | 564 def handle_timeout(self): |
565 if not self.registered: | |
566 if self.ui.debugflag: | |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
567 self.ui.note(_('%s hooking back up with %d bytes readable\n') % |
6239 | 568 (self.event_time(), self.threshold.readable())) |
569 self.read_events(0) | |
8610
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
570 self.master.poll.register(self, self.poll_events) |
6239 | 571 self.registered = True |
572 | |
573 self.timeout = None | |
574 | |
575 def shutdown(self): | |
576 self.watcher.close() | |
577 | |
8555
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
578 def debug(self): |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
579 """ |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
580 Returns a sorted list of relatives paths currently watched, |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
581 for debugging purposes. |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
582 """ |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
583 return sorted(tuple[0][len(self.wprefix):] for tuple in self.watcher) |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
584 |
8610
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
585 class server(pollable): |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
586 """ |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
587 Listens for client queries on unix socket inotify.sock |
8ef1f63e554c
inotify: server: use a common 'pollable' interface for server & repowatcher
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8609
diff
changeset
|
588 """ |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
589 def __init__(self, ui, repo, repowatcher, timeout): |
6239 | 590 self.ui = ui |
591 self.repo = repo | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
592 self.repowatcher = repowatcher |
6239 | 593 self.timeout = timeout |
594 self.sock = socket.socket(socket.AF_UNIX) | |
595 self.sockpath = self.repo.join('inotify.sock') | |
6997
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
596 self.realsockpath = None |
6239 | 597 try: |
598 self.sock.bind(self.sockpath) | |
599 except socket.error, err: | |
600 if err[0] == errno.EADDRINUSE: | |
6997
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
601 raise AlreadyStartedException(_('could not start server: %s') |
6239 | 602 % err[1]) |
6997
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
603 if err[0] == "AF_UNIX path too long": |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
604 tempdir = tempfile.mkdtemp(prefix="hg-inotify-") |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
605 self.realsockpath = os.path.join(tempdir, "inotify.sock") |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
606 try: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
607 self.sock.bind(self.realsockpath) |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
608 os.symlink(self.realsockpath, self.sockpath) |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
609 except (OSError, socket.error), inst: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
610 try: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
611 os.unlink(self.realsockpath) |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
612 except: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
613 pass |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
614 os.rmdir(tempdir) |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
615 if inst.errno == errno.EEXIST: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
616 raise AlreadyStartedException(_('could not start server: %s') |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
617 % inst.strerror) |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
618 raise |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
619 else: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
620 raise |
6239 | 621 self.sock.listen(5) |
622 self.fileno = self.sock.fileno | |
623 | |
624 def handle_timeout(self): | |
625 pass | |
626 | |
8554
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
627 def answer_stat_query(self, cs): |
6239 | 628 names = cs.read().split('\0') |
6287
c86207d41512
Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
6239
diff
changeset
|
629 |
6239 | 630 states = names.pop() |
631 | |
632 self.ui.note(_('answering query for %r\n') % states) | |
633 | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
634 if self.repowatcher.timeout: |
6239 | 635 # We got a query while a rescan is pending. Make sure we |
636 # rescan before responding, or we could give back a wrong | |
637 # answer. | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
638 self.repowatcher.handle_timeout() |
6239 | 639 |
640 if not names: | |
641 def genresult(states, tree): | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
642 for fn, state in self.repowatcher.walk(states, tree): |
6239 | 643 yield fn |
644 else: | |
645 def genresult(states, tree): | |
646 for fn in names: | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
647 l = self.repowatcher.lookup(fn, tree) |
7351
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
648 try: |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
649 if l in states: |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
650 yield fn |
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
651 except TypeError: |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
652 for f, s in self.repowatcher.walk(states, l, fn): |
7351
5ab0abf27dd9
Backed out changeset c5dbe86b0fee (issue1375)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
7350
diff
changeset
|
653 yield f |
6239 | 654 |
8554
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
655 return ['\0'.join(r) for r in [ |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
656 genresult('l', self.repowatcher.statustrees['l']), |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
657 genresult('m', self.repowatcher.statustrees['m']), |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
658 genresult('a', self.repowatcher.statustrees['a']), |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
659 genresult('r', self.repowatcher.statustrees['r']), |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
660 genresult('!', self.repowatcher.statustrees['!']), |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
661 '?' in states |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
662 and genresult('?', self.repowatcher.statustrees['?']) |
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
663 or [], |
6239 | 664 [], |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
665 'c' in states and genresult('n', self.repowatcher.tree) or [], |
6239 | 666 ]] |
667 | |
8555
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
668 def answer_dbug_query(self): |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
669 return ['\0'.join(self.repowatcher.debug())] |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
670 |
8609
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
671 def handle_pollevents(self, events): |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
672 for e in events: |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
673 self.handle_pollevent() |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
674 |
8608
228db070bfc4
inotify: rename handle_event to handle_pollevent to avoid confusion
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8607
diff
changeset
|
675 def handle_pollevent(self): |
8554
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
676 sock, addr = self.sock.accept() |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
677 |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
678 cs = common.recvcs(sock) |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
679 version = ord(cs.read(1)) |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
680 |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
681 if version != common.version: |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
682 self.ui.warn(_('received query from incompatible client ' |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
683 'version %d\n') % version) |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
684 return |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
685 |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
686 type = cs.read(4) |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
687 |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
688 if type == 'STAT': |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
689 results = self.answer_stat_query(cs) |
8555
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
690 elif type == 'DBUG': |
3e09bc5fee12
inotify: introduce debuginotify, which lists which paths are under watch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8554
diff
changeset
|
691 results = self.answer_dbug_query() |
8554
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
692 else: |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
693 self.ui.warn(_('unrecognized query type: %s\n') % type) |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
694 return |
47d7347484f5
inotify: put STAT-specific query answer generation part in its own method
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8553
diff
changeset
|
695 |
6239 | 696 try: |
697 try: | |
8386
4aad982111b6
inotify: Abstract the layer format and sizes to a inotify.common dictionary
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8385
diff
changeset
|
698 v = chr(common.version) |
4aad982111b6
inotify: Abstract the layer format and sizes to a inotify.common dictionary
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8385
diff
changeset
|
699 |
8553
e387ecd7a6ed
inotify: change protocol so that different query types can be supported.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8386
diff
changeset
|
700 sock.sendall(v + type + struct.pack(common.resphdrfmts[type], |
e387ecd7a6ed
inotify: change protocol so that different query types can be supported.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8386
diff
changeset
|
701 *map(len, results))) |
6239 | 702 sock.sendall(''.join(results)) |
703 finally: | |
704 sock.shutdown(socket.SHUT_WR) | |
705 except socket.error, err: | |
706 if err[0] != errno.EPIPE: | |
707 raise | |
708 | |
709 def shutdown(self): | |
710 self.sock.close() | |
711 try: | |
712 os.unlink(self.sockpath) | |
6997
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
713 if self.realsockpath: |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
714 os.unlink(self.realsockpath) |
9c4e488f105e
inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
6994
diff
changeset
|
715 os.rmdir(os.path.dirname(self.realsockpath)) |
6239 | 716 except OSError, err: |
717 if err.errno != errno.ENOENT: | |
718 raise | |
719 | |
8385
1536501ade62
inotify: Coding Style: name classes in lowercase.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8384
diff
changeset
|
720 class master(object): |
6239 | 721 def __init__(self, ui, repo, timeout=None): |
722 self.ui = ui | |
723 self.repo = repo | |
724 self.poll = select.poll() | |
8385
1536501ade62
inotify: Coding Style: name classes in lowercase.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8384
diff
changeset
|
725 self.repowatcher = repowatcher(ui, repo, self) |
1536501ade62
inotify: Coding Style: name classes in lowercase.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8384
diff
changeset
|
726 self.server = server(ui, repo, self.repowatcher, timeout) |
6239 | 727 self.table = {} |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
728 for obj in (self.repowatcher, self.server): |
6239 | 729 fd = obj.fileno() |
730 self.table[fd] = obj | |
731 self.poll.register(fd, obj.poll_events) | |
732 | |
733 def register(self, fd, mask): | |
734 self.poll.register(fd, mask) | |
735 | |
736 def shutdown(self): | |
737 for obj in self.table.itervalues(): | |
738 obj.shutdown() | |
739 | |
740 def run(self): | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
741 self.repowatcher.setup() |
6239 | 742 self.ui.note(_('finished setup\n')) |
743 if os.getenv('TIME_STARTUP'): | |
744 sys.exit(0) | |
745 while True: | |
746 timeout = None | |
747 timeobj = None | |
748 for obj in self.table.itervalues(): | |
749 if obj.timeout is not None and (timeout is None or obj.timeout < timeout): | |
750 timeout, timeobj = obj.timeout, obj | |
751 try: | |
752 if self.ui.debugflag: | |
753 if timeout is None: | |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
754 self.ui.note(_('polling: no timeout\n')) |
6239 | 755 else: |
6961
12163fb21fce
i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents:
6909
diff
changeset
|
756 self.ui.note(_('polling: %sms timeout\n') % timeout) |
6239 | 757 events = self.poll.poll(timeout) |
758 except select.error, err: | |
759 if err[0] == errno.EINTR: | |
760 continue | |
761 raise | |
762 if events: | |
8609
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
763 by_fd = {} |
6239 | 764 for fd, event in events: |
8609
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
765 by_fd.setdefault(fd, []).append(event) |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
766 |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
767 for fd, events in by_fd.iteritems(): |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
768 self.table[fd].handle_pollevents(events) |
aeaa0bd9dc24
inotify: process all inotify events in one batch
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8608
diff
changeset
|
769 |
6239 | 770 elif timeobj: |
771 timeobj.handle_timeout() | |
772 | |
773 def start(ui, repo): | |
7451
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
774 def closefds(ignore): |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
775 # (from python bug #1177468) |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
776 # close all inherited file descriptors |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
777 # Python 2.4.1 and later use /dev/urandom to seed the random module's RNG |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
778 # a file descriptor is kept internally as os._urandomfd (created on demand |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
779 # the first time os.urandom() is called), and should not be closed |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
780 try: |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
781 os.urandom(4) |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
782 urandom_fd = getattr(os, '_urandomfd', None) |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
783 except AttributeError: |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
784 urandom_fd = None |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
785 ignore.append(urandom_fd) |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
786 for fd in range(3, 256): |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
787 if fd in ignore: |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
788 continue |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
789 try: |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
790 os.close(fd) |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
791 except OSError: |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
792 pass |
fca9947652ce
inotify: close most file descriptors when autostarting
Brendan Cully <brendan@kublai.com>
parents:
7420
diff
changeset
|
793 |
8385
1536501ade62
inotify: Coding Style: name classes in lowercase.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8384
diff
changeset
|
794 m = master(ui, repo) |
6239 | 795 sys.stdout.flush() |
796 sys.stderr.flush() | |
797 | |
798 pid = os.fork() | |
799 if pid: | |
800 return pid | |
801 | |
8335
713ec3f9c9de
inotify: Clarify the use of "watcher" name.
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8334
diff
changeset
|
802 closefds([m.server.fileno(), m.repowatcher.fileno()]) |
6239 | 803 os.setsid() |
804 | |
805 fd = os.open('/dev/null', os.O_RDONLY) | |
806 os.dup2(fd, 0) | |
807 if fd > 0: | |
808 os.close(fd) | |
809 | |
810 fd = os.open(ui.config('inotify', 'log', '/dev/null'), | |
811 os.O_RDWR | os.O_CREAT | os.O_TRUNC) | |
812 os.dup2(fd, 1) | |
813 os.dup2(fd, 2) | |
814 if fd > 2: | |
815 os.close(fd) | |
816 | |
817 try: | |
818 m.run() | |
819 finally: | |
820 m.shutdown() | |
821 os._exit(0) |