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@@ -1,869 +1,429 b'' | |||||
1 | # server.py - inotify status server |
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1 | # linuxserver.py - inotify status server for linux | |
2 | # |
|
2 | # | |
3 | # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> |
|
3 | # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> | |
4 | # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> |
|
4 | # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> | |
5 | # |
|
5 | # | |
6 | # This software may be used and distributed according to the terms of the |
|
6 | # This software may be used and distributed according to the terms of the | |
7 | # GNU General Public License version 2, incorporated herein by reference. |
|
7 | # GNU General Public License version 2, incorporated herein by reference. | |
8 |
|
8 | |||
9 | from mercurial.i18n import _ |
|
9 | from mercurial.i18n import _ | |
10 |
from mercurial import |
|
10 | from mercurial import osutil, util | |
11 | import common |
|
11 | import common | |
12 | import errno, os, select, socket, stat, struct, sys, tempfile, time |
|
12 | import server | |
|
13 | import errno, os, select, stat, sys, time | |||
13 |
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14 | |||
14 | try: |
|
15 | try: | |
15 | import linux as inotify |
|
16 | import linux as inotify | |
16 | from linux import watcher |
|
17 | from linux import watcher | |
17 | except ImportError: |
|
18 | except ImportError: | |
18 | raise |
|
19 | raise | |
19 |
|
20 | |||
20 | class AlreadyStartedException(Exception): pass |
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21 |
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22 | def join(a, b): |
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23 | if a: |
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24 | if a[-1] == '/': |
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25 | return a + b |
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26 | return a + '/' + b |
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27 | return b |
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28 |
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29 | def split(path): |
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30 | c = path.rfind('/') |
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31 | if c == -1: |
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32 | return '', path |
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33 | return path[:c], path[c+1:] |
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34 |
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35 | walk_ignored_errors = (errno.ENOENT, errno.ENAMETOOLONG) |
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36 |
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37 | def walkrepodirs(dirstate, absroot): |
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21 | def walkrepodirs(dirstate, absroot): | |
38 | '''Iterate over all subdirectories of this repo. |
|
22 | '''Iterate over all subdirectories of this repo. | |
39 | Exclude the .hg directory, any nested repos, and ignored dirs.''' |
|
23 | Exclude the .hg directory, any nested repos, and ignored dirs.''' | |
40 | def walkit(dirname, top): |
|
24 | def walkit(dirname, top): | |
41 | fullpath = join(absroot, dirname) |
|
25 | fullpath = server.join(absroot, dirname) | |
42 | try: |
|
26 | try: | |
43 | for name, kind in osutil.listdir(fullpath): |
|
27 | for name, kind in osutil.listdir(fullpath): | |
44 | if kind == stat.S_IFDIR: |
|
28 | if kind == stat.S_IFDIR: | |
45 | if name == '.hg': |
|
29 | if name == '.hg': | |
46 | if not top: |
|
30 | if not top: | |
47 | return |
|
31 | return | |
48 | else: |
|
32 | else: | |
49 | d = join(dirname, name) |
|
33 | d = server.join(dirname, name) | |
50 | if dirstate._ignore(d): |
|
34 | if dirstate._ignore(d): | |
51 | continue |
|
35 | continue | |
52 | for subdir in walkit(d, False): |
|
36 | for subdir in walkit(d, False): | |
53 | yield subdir |
|
37 | yield subdir | |
54 | except OSError, err: |
|
38 | except OSError, err: | |
55 | if err.errno not in walk_ignored_errors: |
|
39 | if err.errno not in server.walk_ignored_errors: | |
56 | raise |
|
40 | raise | |
57 | yield fullpath |
|
41 | yield fullpath | |
58 |
|
42 | |||
59 | return walkit('', True) |
|
43 | return walkit('', True) | |
60 |
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44 | |||
61 | def walk(dirstate, absroot, root): |
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62 | '''Like os.walk, but only yields regular files.''' |
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63 |
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64 | # This function is critical to performance during startup. |
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65 |
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66 | def walkit(root, reporoot): |
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67 | files, dirs = [], [] |
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68 |
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69 | try: |
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70 | fullpath = join(absroot, root) |
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71 | for name, kind in osutil.listdir(fullpath): |
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72 | if kind == stat.S_IFDIR: |
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73 | if name == '.hg': |
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74 | if not reporoot: |
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75 | return |
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76 | else: |
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77 | dirs.append(name) |
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78 | path = join(root, name) |
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79 | if dirstate._ignore(path): |
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80 | continue |
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81 | for result in walkit(path, False): |
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82 | yield result |
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|||
83 | elif kind in (stat.S_IFREG, stat.S_IFLNK): |
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84 | files.append(name) |
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85 | yield fullpath, dirs, files |
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86 |
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87 | except OSError, err: |
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88 | if err.errno == errno.ENOTDIR: |
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89 | # fullpath was a directory, but has since been replaced |
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90 | # by a file. |
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91 | yield fullpath, dirs, files |
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92 | elif err.errno not in walk_ignored_errors: |
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93 | raise |
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94 |
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95 | return walkit(root, root == '') |
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96 |
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97 | def _explain_watch_limit(ui, dirstate, rootabs): |
|
45 | def _explain_watch_limit(ui, dirstate, rootabs): | |
98 | path = '/proc/sys/fs/inotify/max_user_watches' |
|
46 | path = '/proc/sys/fs/inotify/max_user_watches' | |
99 | try: |
|
47 | try: | |
100 | limit = int(file(path).read()) |
|
48 | limit = int(file(path).read()) | |
101 | except IOError, err: |
|
49 | except IOError, err: | |
102 | if err.errno != errno.ENOENT: |
|
50 | if err.errno != errno.ENOENT: | |
103 | raise |
|
51 | raise | |
104 | raise util.Abort(_('this system does not seem to ' |
|
52 | raise util.Abort(_('this system does not seem to ' | |
105 | 'support inotify')) |
|
53 | 'support inotify')) | |
106 | ui.warn(_('*** the current per-user limit on the number ' |
|
54 | ui.warn(_('*** the current per-user limit on the number ' | |
107 | 'of inotify watches is %s\n') % limit) |
|
55 | 'of inotify watches is %s\n') % limit) | |
108 | ui.warn(_('*** this limit is too low to watch every ' |
|
56 | ui.warn(_('*** this limit is too low to watch every ' | |
109 | 'directory in this repository\n')) |
|
57 | 'directory in this repository\n')) | |
110 | ui.warn(_('*** counting directories: ')) |
|
58 | ui.warn(_('*** counting directories: ')) | |
111 | ndirs = len(list(walkrepodirs(dirstate, rootabs))) |
|
59 | ndirs = len(list(walkrepodirs(dirstate, rootabs))) | |
112 | ui.warn(_('found %d\n') % ndirs) |
|
60 | ui.warn(_('found %d\n') % ndirs) | |
113 | newlimit = min(limit, 1024) |
|
61 | newlimit = min(limit, 1024) | |
114 | while newlimit < ((limit + ndirs) * 1.1): |
|
62 | while newlimit < ((limit + ndirs) * 1.1): | |
115 | newlimit *= 2 |
|
63 | newlimit *= 2 | |
116 | ui.warn(_('*** to raise the limit from %d to %d (run as root):\n') % |
|
64 | ui.warn(_('*** to raise the limit from %d to %d (run as root):\n') % | |
117 | (limit, newlimit)) |
|
65 | (limit, newlimit)) | |
118 | ui.warn(_('*** echo %d > %s\n') % (newlimit, path)) |
|
66 | ui.warn(_('*** echo %d > %s\n') % (newlimit, path)) | |
119 | raise util.Abort(_('cannot watch %s until inotify watch limit is raised') |
|
67 | raise util.Abort(_('cannot watch %s until inotify watch limit is raised') | |
120 | % rootabs) |
|
68 | % rootabs) | |
121 |
|
69 | |||
122 | class pollable(object): |
|
70 | class pollable(object): | |
123 | """ |
|
71 | """ | |
124 | Interface to support polling. |
|
72 | Interface to support polling. | |
125 | The file descriptor returned by fileno() is registered to a polling |
|
73 | The file descriptor returned by fileno() is registered to a polling | |
126 | object. |
|
74 | object. | |
127 | Usage: |
|
75 | Usage: | |
128 | Every tick, check if an event has happened since the last tick: |
|
76 | Every tick, check if an event has happened since the last tick: | |
129 | * If yes, call handle_events |
|
77 | * If yes, call handle_events | |
130 | * If no, call handle_timeout |
|
78 | * If no, call handle_timeout | |
131 | """ |
|
79 | """ | |
132 | poll_events = select.POLLIN |
|
80 | poll_events = select.POLLIN | |
133 | instances = {} |
|
81 | instances = {} | |
134 | poll = select.poll() |
|
82 | poll = select.poll() | |
135 |
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83 | |||
136 | def fileno(self): |
|
84 | def fileno(self): | |
137 | raise NotImplementedError |
|
85 | raise NotImplementedError | |
138 |
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86 | |||
139 | def handle_events(self, events): |
|
87 | def handle_events(self, events): | |
140 | raise NotImplementedError |
|
88 | raise NotImplementedError | |
141 |
|
89 | |||
142 | def handle_timeout(self): |
|
90 | def handle_timeout(self): | |
143 | raise NotImplementedError |
|
91 | raise NotImplementedError | |
144 |
|
92 | |||
145 | def shutdown(self): |
|
93 | def shutdown(self): | |
146 | raise NotImplementedError |
|
94 | raise NotImplementedError | |
147 |
|
95 | |||
148 | def register(self, timeout): |
|
96 | def register(self, timeout): | |
149 | fd = self.fileno() |
|
97 | fd = self.fileno() | |
150 |
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98 | |||
151 | pollable.poll.register(fd, pollable.poll_events) |
|
99 | pollable.poll.register(fd, pollable.poll_events) | |
152 | pollable.instances[fd] = self |
|
100 | pollable.instances[fd] = self | |
153 |
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101 | |||
154 | self.registered = True |
|
102 | self.registered = True | |
155 | self.timeout = timeout |
|
103 | self.timeout = timeout | |
156 |
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104 | |||
157 | def unregister(self): |
|
105 | def unregister(self): | |
158 | pollable.poll.unregister(self) |
|
106 | pollable.poll.unregister(self) | |
159 | self.registered = False |
|
107 | self.registered = False | |
160 |
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108 | |||
161 | @classmethod |
|
109 | @classmethod | |
162 | def run(cls): |
|
110 | def run(cls): | |
163 | while True: |
|
111 | while True: | |
164 | timeout = None |
|
112 | timeout = None | |
165 | timeobj = None |
|
113 | timeobj = None | |
166 | for obj in cls.instances.itervalues(): |
|
114 | for obj in cls.instances.itervalues(): | |
167 | if obj.timeout is not None and (timeout is None or obj.timeout < timeout): |
|
115 | if obj.timeout is not None and (timeout is None or obj.timeout < timeout): | |
168 | timeout, timeobj = obj.timeout, obj |
|
116 | timeout, timeobj = obj.timeout, obj | |
169 | try: |
|
117 | try: | |
170 | events = cls.poll.poll(timeout) |
|
118 | events = cls.poll.poll(timeout) | |
171 | except select.error, err: |
|
119 | except select.error, err: | |
172 | if err[0] == errno.EINTR: |
|
120 | if err[0] == errno.EINTR: | |
173 | continue |
|
121 | continue | |
174 | raise |
|
122 | raise | |
175 | if events: |
|
123 | if events: | |
176 | by_fd = {} |
|
124 | by_fd = {} | |
177 | for fd, event in events: |
|
125 | for fd, event in events: | |
178 | by_fd.setdefault(fd, []).append(event) |
|
126 | by_fd.setdefault(fd, []).append(event) | |
179 |
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127 | |||
180 | for fd, events in by_fd.iteritems(): |
|
128 | for fd, events in by_fd.iteritems(): | |
181 | cls.instances[fd].handle_pollevents(events) |
|
129 | cls.instances[fd].handle_pollevents(events) | |
182 |
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130 | |||
183 | elif timeobj: |
|
131 | elif timeobj: | |
184 | timeobj.handle_timeout() |
|
132 | timeobj.handle_timeout() | |
185 |
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133 | |||
186 | def eventaction(code): |
|
134 | def eventaction(code): | |
187 | """ |
|
135 | """ | |
188 | Decorator to help handle events in repowatcher |
|
136 | Decorator to help handle events in repowatcher | |
189 | """ |
|
137 | """ | |
190 | def decorator(f): |
|
138 | def decorator(f): | |
191 | def wrapper(self, wpath): |
|
139 | def wrapper(self, wpath): | |
192 | if code == 'm' and wpath in self.lastevent and \ |
|
140 | if code == 'm' and wpath in self.lastevent and \ | |
193 | self.lastevent[wpath] in 'cm': |
|
141 | self.lastevent[wpath] in 'cm': | |
194 | return |
|
142 | return | |
195 | self.lastevent[wpath] = code |
|
143 | self.lastevent[wpath] = code | |
196 | self.timeout = 250 |
|
144 | self.timeout = 250 | |
197 |
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145 | |||
198 | f(self, wpath) |
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146 | f(self, wpath) | |
199 |
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147 | |||
200 | wrapper.func_name = f.func_name |
|
148 | wrapper.func_name = f.func_name | |
201 | return wrapper |
|
149 | return wrapper | |
202 | return decorator |
|
150 | return decorator | |
203 |
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151 | |||
204 | class directory(object): |
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152 | class repowatcher(server.repowatcher, pollable): | |
205 | """ |
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206 | Representing a directory |
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207 |
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208 | * path is the relative path from repo root to this directory |
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209 | * files is a dict listing the files in this directory |
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210 | - keys are file names |
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211 | - values are file status |
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212 | * dirs is a dict listing the subdirectories |
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213 | - key are subdirectories names |
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214 | - values are directory objects |
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215 | """ |
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216 | def __init__(self, relpath=''): |
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217 | self.path = relpath |
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218 | self.files = {} |
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219 | self.dirs = {} |
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220 |
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221 | def dir(self, relpath): |
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222 | """ |
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223 | Returns the directory contained at the relative path relpath. |
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224 | Creates the intermediate directories if necessary. |
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225 | """ |
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226 | if not relpath: |
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227 | return self |
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228 | l = relpath.split('/') |
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229 | ret = self |
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230 | while l: |
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231 | next = l.pop(0) |
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232 | try: |
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233 | ret = ret.dirs[next] |
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234 | except KeyError: |
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235 | d = directory(join(ret.path, next)) |
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236 | ret.dirs[next] = d |
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237 | ret = d |
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238 | return ret |
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239 |
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240 | def walk(self, states, visited=None): |
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241 | """ |
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242 | yield (filename, status) pairs for items in the trees |
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243 | that have status in states. |
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244 | filenames are relative to the repo root |
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245 | """ |
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246 | for file, st in self.files.iteritems(): |
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247 | if st in states: |
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248 | yield join(self.path, file), st |
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249 | for dir in self.dirs.itervalues(): |
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250 | if visited is not None: |
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251 | visited.add(dir.path) |
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252 | for e in dir.walk(states): |
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253 | yield e |
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254 |
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255 | def lookup(self, states, path, visited): |
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256 | """ |
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257 | yield root-relative filenames that match path, and whose |
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258 | status are in states: |
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259 | * if path is a file, yield path |
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260 | * if path is a directory, yield directory files |
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261 | * if path is not tracked, yield nothing |
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262 | """ |
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263 | if path[-1] == '/': |
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264 | path = path[:-1] |
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265 |
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266 | paths = path.split('/') |
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267 |
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268 | # we need to check separately for last node |
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269 | last = paths.pop() |
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270 |
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271 | tree = self |
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272 | try: |
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273 | for dir in paths: |
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274 | tree = tree.dirs[dir] |
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275 | except KeyError: |
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276 | # path is not tracked |
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277 | visited.add(tree.path) |
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278 | return |
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279 |
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280 | try: |
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281 | # if path is a directory, walk it |
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282 | target = tree.dirs[last] |
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283 | visited.add(target.path) |
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284 | for file, st in target.walk(states, visited): |
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285 | yield file |
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286 | except KeyError: |
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287 | try: |
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288 | if tree.files[last] in states: |
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289 | # path is a file |
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290 | visited.add(tree.path) |
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291 | yield path |
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292 | except KeyError: |
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293 | # path is not tracked |
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294 | pass |
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295 |
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296 | class repowatcher(pollable): |
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297 | """ |
|
153 | """ | |
298 | Watches inotify events |
|
154 | Watches inotify events | |
299 | """ |
|
155 | """ | |
300 | statuskeys = 'almr!?' |
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301 | mask = ( |
|
156 | mask = ( | |
302 | inotify.IN_ATTRIB | |
|
157 | inotify.IN_ATTRIB | | |
303 | inotify.IN_CREATE | |
|
158 | inotify.IN_CREATE | | |
304 | inotify.IN_DELETE | |
|
159 | inotify.IN_DELETE | | |
305 | inotify.IN_DELETE_SELF | |
|
160 | inotify.IN_DELETE_SELF | | |
306 | inotify.IN_MODIFY | |
|
161 | inotify.IN_MODIFY | | |
307 | inotify.IN_MOVED_FROM | |
|
162 | inotify.IN_MOVED_FROM | | |
308 | inotify.IN_MOVED_TO | |
|
163 | inotify.IN_MOVED_TO | | |
309 | inotify.IN_MOVE_SELF | |
|
164 | inotify.IN_MOVE_SELF | | |
310 | inotify.IN_ONLYDIR | |
|
165 | inotify.IN_ONLYDIR | | |
311 | inotify.IN_UNMOUNT | |
|
166 | inotify.IN_UNMOUNT | | |
312 | 0) |
|
167 | 0) | |
313 |
|
168 | |||
314 | def __init__(self, ui, dirstate, root): |
|
169 | def __init__(self, ui, dirstate, root): | |
315 | self.ui = ui |
|
170 | server.repowatcher.__init__(self, ui, dirstate, root) | |
316 | self.dirstate = dirstate |
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317 |
|
171 | |||
318 | self.wprefix = join(root, '') |
|
172 | self.lastevent = {} | |
319 | self.prefixlen = len(self.wprefix) |
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|||
320 | try: |
|
173 | try: | |
321 | self.watcher = watcher.watcher() |
|
174 | self.watcher = watcher.watcher() | |
322 | except OSError, err: |
|
175 | except OSError, err: | |
323 | raise util.Abort(_('inotify service not available: %s') % |
|
176 | raise util.Abort(_('inotify service not available: %s') % | |
324 | err.strerror) |
|
177 | err.strerror) | |
325 | self.threshold = watcher.threshold(self.watcher) |
|
178 | self.threshold = watcher.threshold(self.watcher) | |
326 | self.fileno = self.watcher.fileno |
|
179 | self.fileno = self.watcher.fileno | |
327 |
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328 | self.tree = directory() |
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329 | self.statcache = {} |
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330 | self.statustrees = dict([(s, directory()) for s in self.statuskeys]) |
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331 |
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332 | self.last_event = None |
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333 |
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||||
334 | self.lastevent = {} |
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335 |
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336 | self.register(timeout=None) |
|
180 | self.register(timeout=None) | |
337 |
|
181 | |||
338 | self.ds_info = self.dirstate_info() |
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|||
339 | self.handle_timeout() |
|
182 | self.handle_timeout() | |
340 | self.scan() |
|
183 | self.scan() | |
341 |
|
184 | |||
342 | def event_time(self): |
|
185 | def event_time(self): | |
343 | last = self.last_event |
|
186 | last = self.last_event | |
344 | now = time.time() |
|
187 | now = time.time() | |
345 | self.last_event = now |
|
188 | self.last_event = now | |
346 |
|
189 | |||
347 | if last is None: |
|
190 | if last is None: | |
348 | return 'start' |
|
191 | return 'start' | |
349 | delta = now - last |
|
192 | delta = now - last | |
350 | if delta < 5: |
|
193 | if delta < 5: | |
351 | return '+%.3f' % delta |
|
194 | return '+%.3f' % delta | |
352 | if delta < 50: |
|
195 | if delta < 50: | |
353 | return '+%.2f' % delta |
|
196 | return '+%.2f' % delta | |
354 | return '+%.1f' % delta |
|
197 | return '+%.1f' % delta | |
355 |
|
198 | |||
356 | def dirstate_info(self): |
|
|||
357 | try: |
|
|||
358 | st = os.lstat(self.wprefix + '.hg/dirstate') |
|
|||
359 | return st.st_mtime, st.st_ino |
|
|||
360 | except OSError, err: |
|
|||
361 | if err.errno != errno.ENOENT: |
|
|||
362 | raise |
|
|||
363 | return 0, 0 |
|
|||
364 |
|
||||
365 | def add_watch(self, path, mask): |
|
199 | def add_watch(self, path, mask): | |
366 | if not path: |
|
200 | if not path: | |
367 | return |
|
201 | return | |
368 | if self.watcher.path(path) is None: |
|
202 | if self.watcher.path(path) is None: | |
369 | if self.ui.debugflag: |
|
203 | if self.ui.debugflag: | |
370 | self.ui.note(_('watching %r\n') % path[self.prefixlen:]) |
|
204 | self.ui.note(_('watching %r\n') % path[self.prefixlen:]) | |
371 | try: |
|
205 | try: | |
372 | self.watcher.add(path, mask) |
|
206 | self.watcher.add(path, mask) | |
373 | except OSError, err: |
|
207 | except OSError, err: | |
374 | if err.errno in (errno.ENOENT, errno.ENOTDIR): |
|
208 | if err.errno in (errno.ENOENT, errno.ENOTDIR): | |
375 | return |
|
209 | return | |
376 | if err.errno != errno.ENOSPC: |
|
210 | if err.errno != errno.ENOSPC: | |
377 | raise |
|
211 | raise | |
378 | _explain_watch_limit(self.ui, self.dirstate, self.wprefix) |
|
212 | _explain_watch_limit(self.ui, self.dirstate, self.wprefix) | |
379 |
|
213 | |||
380 | def setup(self): |
|
214 | def setup(self): | |
381 | self.ui.note(_('watching directories under %r\n') % self.wprefix) |
|
215 | self.ui.note(_('watching directories under %r\n') % self.wprefix) | |
382 | self.add_watch(self.wprefix + '.hg', inotify.IN_DELETE) |
|
216 | self.add_watch(self.wprefix + '.hg', inotify.IN_DELETE) | |
383 | self.check_dirstate() |
|
217 | self.check_dirstate() | |
384 |
|
218 | |||
385 | def filestatus(self, fn, st): |
|
|||
386 | try: |
|
|||
387 | type_, mode, size, time = self.dirstate._map[fn][:4] |
|
|||
388 | except KeyError: |
|
|||
389 | type_ = '?' |
|
|||
390 | if type_ == 'n': |
|
|||
391 | st_mode, st_size, st_mtime = st |
|
|||
392 | if size == -1: |
|
|||
393 | return 'l' |
|
|||
394 | if size and (size != st_size or (mode ^ st_mode) & 0100): |
|
|||
395 | return 'm' |
|
|||
396 | if time != int(st_mtime): |
|
|||
397 | return 'l' |
|
|||
398 | return 'n' |
|
|||
399 | if type_ == '?' and self.dirstate._ignore(fn): |
|
|||
400 | return 'i' |
|
|||
401 | return type_ |
|
|||
402 |
|
||||
403 | def updatefile(self, wfn, osstat): |
|
|||
404 | ''' |
|
|||
405 | update the file entry of an existing file. |
|
|||
406 |
|
||||
407 | osstat: (mode, size, time) tuple, as returned by os.lstat(wfn) |
|
|||
408 | ''' |
|
|||
409 |
|
||||
410 | self._updatestatus(wfn, self.filestatus(wfn, osstat)) |
|
|||
411 |
|
||||
412 | def deletefile(self, wfn, oldstatus): |
|
|||
413 | ''' |
|
|||
414 | update the entry of a file which has been deleted. |
|
|||
415 |
|
||||
416 | oldstatus: char in statuskeys, status of the file before deletion |
|
|||
417 | ''' |
|
|||
418 | if oldstatus == 'r': |
|
|||
419 | newstatus = 'r' |
|
|||
420 | elif oldstatus in 'almn': |
|
|||
421 | newstatus = '!' |
|
|||
422 | else: |
|
|||
423 | newstatus = None |
|
|||
424 |
|
||||
425 | self.statcache.pop(wfn, None) |
|
|||
426 | self._updatestatus(wfn, newstatus) |
|
|||
427 |
|
||||
428 | def _updatestatus(self, wfn, newstatus): |
|
|||
429 | ''' |
|
|||
430 | Update the stored status of a file. |
|
|||
431 |
|
||||
432 | newstatus: - char in (statuskeys + 'ni'), new status to apply. |
|
|||
433 | - or None, to stop tracking wfn |
|
|||
434 | ''' |
|
|||
435 | root, fn = split(wfn) |
|
|||
436 | d = self.tree.dir(root) |
|
|||
437 |
|
||||
438 | oldstatus = d.files.get(fn) |
|
|||
439 | # oldstatus can be either: |
|
|||
440 | # - None : fn is new |
|
|||
441 | # - a char in statuskeys: fn is a (tracked) file |
|
|||
442 |
|
||||
443 | if self.ui.debugflag and oldstatus != newstatus: |
|
|||
444 | self.ui.note(_('status: %r %s -> %s\n') % |
|
|||
445 | (wfn, oldstatus, newstatus)) |
|
|||
446 |
|
||||
447 | if oldstatus and oldstatus in self.statuskeys \ |
|
|||
448 | and oldstatus != newstatus: |
|
|||
449 | del self.statustrees[oldstatus].dir(root).files[fn] |
|
|||
450 |
|
||||
451 | if newstatus in (None, 'i'): |
|
|||
452 | d.files.pop(fn, None) |
|
|||
453 | elif oldstatus != newstatus: |
|
|||
454 | d.files[fn] = newstatus |
|
|||
455 | if newstatus != 'n': |
|
|||
456 | self.statustrees[newstatus].dir(root).files[fn] = newstatus |
|
|||
457 |
|
||||
458 |
|
||||
459 | def check_deleted(self, key): |
|
|||
460 | # Files that had been deleted but were present in the dirstate |
|
|||
461 | # may have vanished from the dirstate; we must clean them up. |
|
|||
462 | nuke = [] |
|
|||
463 | for wfn, ignore in self.statustrees[key].walk(key): |
|
|||
464 | if wfn not in self.dirstate: |
|
|||
465 | nuke.append(wfn) |
|
|||
466 | for wfn in nuke: |
|
|||
467 | root, fn = split(wfn) |
|
|||
468 | del self.statustrees[key].dir(root).files[fn] |
|
|||
469 | del self.tree.dir(root).files[fn] |
|
|||
470 |
|
||||
471 | def scan(self, topdir=''): |
|
219 | def scan(self, topdir=''): | |
472 | ds = self.dirstate._map.copy() |
|
220 | ds = self.dirstate._map.copy() | |
473 | self.add_watch(join(self.wprefix, topdir), self.mask) |
|
221 | self.add_watch(server.join(self.wprefix, topdir), self.mask) | |
474 |
for root, dirs, files in walk(self.dirstate, self.wprefix, |
|
222 | for root, dirs, files in server.walk(self.dirstate, self.wprefix, | |
|
223 | topdir): | |||
475 | for d in dirs: |
|
224 | for d in dirs: | |
476 | self.add_watch(join(root, d), self.mask) |
|
225 | self.add_watch(server.join(root, d), self.mask) | |
477 | wroot = root[self.prefixlen:] |
|
226 | wroot = root[self.prefixlen:] | |
478 | for fn in files: |
|
227 | for fn in files: | |
479 | wfn = join(wroot, fn) |
|
228 | wfn = server.join(wroot, fn) | |
480 | self.updatefile(wfn, self.getstat(wfn)) |
|
229 | self.updatefile(wfn, self.getstat(wfn)) | |
481 | ds.pop(wfn, None) |
|
230 | ds.pop(wfn, None) | |
482 | wtopdir = topdir |
|
231 | wtopdir = topdir | |
483 | if wtopdir and wtopdir[-1] != '/': |
|
232 | if wtopdir and wtopdir[-1] != '/': | |
484 | wtopdir += '/' |
|
233 | wtopdir += '/' | |
485 | for wfn, state in ds.iteritems(): |
|
234 | for wfn, state in ds.iteritems(): | |
486 | if not wfn.startswith(wtopdir): |
|
235 | if not wfn.startswith(wtopdir): | |
487 | continue |
|
236 | continue | |
488 | try: |
|
237 | try: | |
489 | st = self.stat(wfn) |
|
238 | st = self.stat(wfn) | |
490 | except OSError: |
|
239 | except OSError: | |
491 | status = state[0] |
|
240 | status = state[0] | |
492 | self.deletefile(wfn, status) |
|
241 | self.deletefile(wfn, status) | |
493 | else: |
|
242 | else: | |
494 | self.updatefile(wfn, st) |
|
243 | self.updatefile(wfn, st) | |
495 | self.check_deleted('!') |
|
244 | self.check_deleted('!') | |
496 | self.check_deleted('r') |
|
245 | self.check_deleted('r') | |
497 |
|
246 | |||
498 | def check_dirstate(self): |
|
|||
499 | ds_info = self.dirstate_info() |
|
|||
500 | if ds_info == self.ds_info: |
|
|||
501 | return |
|
|||
502 | self.ds_info = ds_info |
|
|||
503 | if not self.ui.debugflag: |
|
|||
504 | self.last_event = None |
|
|||
505 | self.ui.note(_('%s dirstate reload\n') % self.event_time()) |
|
|||
506 | self.dirstate.invalidate() |
|
|||
507 | self.handle_timeout() |
|
|||
508 | self.scan() |
|
|||
509 | self.ui.note(_('%s end dirstate reload\n') % self.event_time()) |
|
|||
510 |
|
||||
511 | def update_hgignore(self): |
|
|||
512 | # An update of the ignore file can potentially change the |
|
|||
513 | # states of all unknown and ignored files. |
|
|||
514 |
|
||||
515 | # XXX If the user has other ignore files outside the repo, or |
|
|||
516 | # changes their list of ignore files at run time, we'll |
|
|||
517 | # potentially never see changes to them. We could get the |
|
|||
518 | # client to report to us what ignore data they're using. |
|
|||
519 | # But it's easier to do nothing than to open that can of |
|
|||
520 | # worms. |
|
|||
521 |
|
||||
522 | if '_ignore' in self.dirstate.__dict__: |
|
|||
523 | delattr(self.dirstate, '_ignore') |
|
|||
524 | self.ui.note(_('rescanning due to .hgignore change\n')) |
|
|||
525 | self.handle_timeout() |
|
|||
526 | self.scan() |
|
|||
527 |
|
||||
528 | def getstat(self, wpath): |
|
|||
529 | try: |
|
|||
530 | return self.statcache[wpath] |
|
|||
531 | except KeyError: |
|
|||
532 | try: |
|
|||
533 | return self.stat(wpath) |
|
|||
534 | except OSError, err: |
|
|||
535 | if err.errno != errno.ENOENT: |
|
|||
536 | raise |
|
|||
537 |
|
||||
538 | def stat(self, wpath): |
|
|||
539 | try: |
|
|||
540 | st = os.lstat(join(self.wprefix, wpath)) |
|
|||
541 | ret = st.st_mode, st.st_size, st.st_mtime |
|
|||
542 | self.statcache[wpath] = ret |
|
|||
543 | return ret |
|
|||
544 | except OSError: |
|
|||
545 | self.statcache.pop(wpath, None) |
|
|||
546 | raise |
|
|||
547 |
|
||||
548 | @eventaction('c') |
|
247 | @eventaction('c') | |
549 | def created(self, wpath): |
|
248 | def created(self, wpath): | |
550 | if wpath == '.hgignore': |
|
249 | if wpath == '.hgignore': | |
551 | self.update_hgignore() |
|
250 | self.update_hgignore() | |
552 | try: |
|
251 | try: | |
553 | st = self.stat(wpath) |
|
252 | st = self.stat(wpath) | |
554 | if stat.S_ISREG(st[0]): |
|
253 | if stat.S_ISREG(st[0]): | |
555 | self.updatefile(wpath, st) |
|
254 | self.updatefile(wpath, st) | |
556 | except OSError: |
|
255 | except OSError: | |
557 | pass |
|
256 | pass | |
558 |
|
257 | |||
559 | @eventaction('m') |
|
258 | @eventaction('m') | |
560 | def modified(self, wpath): |
|
259 | def modified(self, wpath): | |
561 | if wpath == '.hgignore': |
|
260 | if wpath == '.hgignore': | |
562 | self.update_hgignore() |
|
261 | self.update_hgignore() | |
563 | try: |
|
262 | try: | |
564 | st = self.stat(wpath) |
|
263 | st = self.stat(wpath) | |
565 | if stat.S_ISREG(st[0]): |
|
264 | if stat.S_ISREG(st[0]): | |
566 | if self.dirstate[wpath] in 'lmn': |
|
265 | if self.dirstate[wpath] in 'lmn': | |
567 | self.updatefile(wpath, st) |
|
266 | self.updatefile(wpath, st) | |
568 | except OSError: |
|
267 | except OSError: | |
569 | pass |
|
268 | pass | |
570 |
|
269 | |||
571 | @eventaction('d') |
|
270 | @eventaction('d') | |
572 | def deleted(self, wpath): |
|
271 | def deleted(self, wpath): | |
573 | if wpath == '.hgignore': |
|
272 | if wpath == '.hgignore': | |
574 | self.update_hgignore() |
|
273 | self.update_hgignore() | |
575 | elif wpath.startswith('.hg/'): |
|
274 | elif wpath.startswith('.hg/'): | |
576 | if wpath == '.hg/wlock': |
|
275 | if wpath == '.hg/wlock': | |
577 | self.check_dirstate() |
|
276 | self.check_dirstate() | |
578 | return |
|
277 | return | |
579 |
|
278 | |||
580 | self.deletefile(wpath, self.dirstate[wpath]) |
|
279 | self.deletefile(wpath, self.dirstate[wpath]) | |
581 |
|
280 | |||
582 | def process_create(self, wpath, evt): |
|
281 | def process_create(self, wpath, evt): | |
583 | if self.ui.debugflag: |
|
282 | if self.ui.debugflag: | |
584 | self.ui.note(_('%s event: created %s\n') % |
|
283 | self.ui.note(_('%s event: created %s\n') % | |
585 | (self.event_time(), wpath)) |
|
284 | (self.event_time(), wpath)) | |
586 |
|
285 | |||
587 | if evt.mask & inotify.IN_ISDIR: |
|
286 | if evt.mask & inotify.IN_ISDIR: | |
588 | self.scan(wpath) |
|
287 | self.scan(wpath) | |
589 | else: |
|
288 | else: | |
590 | self.created(wpath) |
|
289 | self.created(wpath) | |
591 |
|
290 | |||
592 | def process_delete(self, wpath, evt): |
|
291 | def process_delete(self, wpath, evt): | |
593 | if self.ui.debugflag: |
|
292 | if self.ui.debugflag: | |
594 | self.ui.note(_('%s event: deleted %s\n') % |
|
293 | self.ui.note(_('%s event: deleted %s\n') % | |
595 | (self.event_time(), wpath)) |
|
294 | (self.event_time(), wpath)) | |
596 |
|
295 | |||
597 | if evt.mask & inotify.IN_ISDIR: |
|
296 | if evt.mask & inotify.IN_ISDIR: | |
598 | tree = self.tree.dir(wpath) |
|
297 | tree = self.tree.dir(wpath) | |
599 | todelete = [wfn for wfn, ignore in tree.walk('?')] |
|
298 | todelete = [wfn for wfn, ignore in tree.walk('?')] | |
600 | for fn in todelete: |
|
299 | for fn in todelete: | |
601 | self.deletefile(fn, '?') |
|
300 | self.deletefile(fn, '?') | |
602 | self.scan(wpath) |
|
301 | self.scan(wpath) | |
603 | else: |
|
302 | else: | |
604 | self.deleted(wpath) |
|
303 | self.deleted(wpath) | |
605 |
|
304 | |||
606 | def process_modify(self, wpath, evt): |
|
305 | def process_modify(self, wpath, evt): | |
607 | if self.ui.debugflag: |
|
306 | if self.ui.debugflag: | |
608 | self.ui.note(_('%s event: modified %s\n') % |
|
307 | self.ui.note(_('%s event: modified %s\n') % | |
609 | (self.event_time(), wpath)) |
|
308 | (self.event_time(), wpath)) | |
610 |
|
309 | |||
611 | if not (evt.mask & inotify.IN_ISDIR): |
|
310 | if not (evt.mask & inotify.IN_ISDIR): | |
612 | self.modified(wpath) |
|
311 | self.modified(wpath) | |
613 |
|
312 | |||
614 | def process_unmount(self, evt): |
|
313 | def process_unmount(self, evt): | |
615 | self.ui.warn(_('filesystem containing %s was unmounted\n') % |
|
314 | self.ui.warn(_('filesystem containing %s was unmounted\n') % | |
616 | evt.fullpath) |
|
315 | evt.fullpath) | |
617 | sys.exit(0) |
|
316 | sys.exit(0) | |
618 |
|
317 | |||
619 | def handle_pollevents(self, events): |
|
318 | def handle_pollevents(self, events): | |
620 | if self.ui.debugflag: |
|
319 | if self.ui.debugflag: | |
621 | self.ui.note(_('%s readable: %d bytes\n') % |
|
320 | self.ui.note(_('%s readable: %d bytes\n') % | |
622 | (self.event_time(), self.threshold.readable())) |
|
321 | (self.event_time(), self.threshold.readable())) | |
623 | if not self.threshold(): |
|
322 | if not self.threshold(): | |
624 | if self.registered: |
|
323 | if self.registered: | |
625 | if self.ui.debugflag: |
|
324 | if self.ui.debugflag: | |
626 | self.ui.note(_('%s below threshold - unhooking\n') % |
|
325 | self.ui.note(_('%s below threshold - unhooking\n') % | |
627 | (self.event_time())) |
|
326 | (self.event_time())) | |
628 | self.unregister() |
|
327 | self.unregister() | |
629 | self.timeout = 250 |
|
328 | self.timeout = 250 | |
630 | else: |
|
329 | else: | |
631 | self.read_events() |
|
330 | self.read_events() | |
632 |
|
331 | |||
633 | def read_events(self, bufsize=None): |
|
332 | def read_events(self, bufsize=None): | |
634 | events = self.watcher.read(bufsize) |
|
333 | events = self.watcher.read(bufsize) | |
635 | if self.ui.debugflag: |
|
334 | if self.ui.debugflag: | |
636 | self.ui.note(_('%s reading %d events\n') % |
|
335 | self.ui.note(_('%s reading %d events\n') % | |
637 | (self.event_time(), len(events))) |
|
336 | (self.event_time(), len(events))) | |
638 | for evt in events: |
|
337 | for evt in events: | |
639 | assert evt.fullpath.startswith(self.wprefix) |
|
338 | assert evt.fullpath.startswith(self.wprefix) | |
640 | wpath = evt.fullpath[self.prefixlen:] |
|
339 | wpath = evt.fullpath[self.prefixlen:] | |
641 |
|
340 | |||
642 | # paths have been normalized, wpath never ends with a '/' |
|
341 | # paths have been normalized, wpath never ends with a '/' | |
643 |
|
342 | |||
644 | if wpath.startswith('.hg/') and evt.mask & inotify.IN_ISDIR: |
|
343 | if wpath.startswith('.hg/') and evt.mask & inotify.IN_ISDIR: | |
645 | # ignore subdirectories of .hg/ (merge, patches...) |
|
344 | # ignore subdirectories of .hg/ (merge, patches...) | |
646 | continue |
|
345 | continue | |
647 |
|
346 | |||
648 | if evt.mask & inotify.IN_UNMOUNT: |
|
347 | if evt.mask & inotify.IN_UNMOUNT: | |
649 | self.process_unmount(wpath, evt) |
|
348 | self.process_unmount(wpath, evt) | |
650 | elif evt.mask & (inotify.IN_MODIFY | inotify.IN_ATTRIB): |
|
349 | elif evt.mask & (inotify.IN_MODIFY | inotify.IN_ATTRIB): | |
651 | self.process_modify(wpath, evt) |
|
350 | self.process_modify(wpath, evt) | |
652 | elif evt.mask & (inotify.IN_DELETE | inotify.IN_DELETE_SELF | |
|
351 | elif evt.mask & (inotify.IN_DELETE | inotify.IN_DELETE_SELF | | |
653 | inotify.IN_MOVED_FROM): |
|
352 | inotify.IN_MOVED_FROM): | |
654 | self.process_delete(wpath, evt) |
|
353 | self.process_delete(wpath, evt) | |
655 | elif evt.mask & (inotify.IN_CREATE | inotify.IN_MOVED_TO): |
|
354 | elif evt.mask & (inotify.IN_CREATE | inotify.IN_MOVED_TO): | |
656 | self.process_create(wpath, evt) |
|
355 | self.process_create(wpath, evt) | |
657 |
|
356 | |||
658 | self.lastevent.clear() |
|
357 | self.lastevent.clear() | |
659 |
|
358 | |||
660 | def handle_timeout(self): |
|
359 | def handle_timeout(self): | |
661 | if not self.registered: |
|
360 | if not self.registered: | |
662 | if self.ui.debugflag: |
|
361 | if self.ui.debugflag: | |
663 | self.ui.note(_('%s hooking back up with %d bytes readable\n') % |
|
362 | self.ui.note(_('%s hooking back up with %d bytes readable\n') % | |
664 | (self.event_time(), self.threshold.readable())) |
|
363 | (self.event_time(), self.threshold.readable())) | |
665 | self.read_events(0) |
|
364 | self.read_events(0) | |
666 | self.register(timeout=None) |
|
365 | self.register(timeout=None) | |
667 |
|
366 | |||
668 | self.timeout = None |
|
367 | self.timeout = None | |
669 |
|
368 | |||
670 | def shutdown(self): |
|
369 | def shutdown(self): | |
671 | self.watcher.close() |
|
370 | self.watcher.close() | |
672 |
|
371 | |||
673 | def debug(self): |
|
372 | def debug(self): | |
674 | """ |
|
373 | """ | |
675 | Returns a sorted list of relatives paths currently watched, |
|
374 | Returns a sorted list of relatives paths currently watched, | |
676 | for debugging purposes. |
|
375 | for debugging purposes. | |
677 | """ |
|
376 | """ | |
678 | return sorted(tuple[0][self.prefixlen:] for tuple in self.watcher) |
|
377 | return sorted(tuple[0][self.prefixlen:] for tuple in self.watcher) | |
679 |
|
378 | |||
680 | class server(pollable): |
|
379 | class socketlistener(server.socketlistener, pollable): | |
681 | """ |
|
380 | """ | |
682 | Listens for client queries on unix socket inotify.sock |
|
381 | Listens for client queries on unix socket inotify.sock | |
683 | """ |
|
382 | """ | |
684 | def __init__(self, ui, root, repowatcher, timeout): |
|
383 | def __init__(self, ui, root, repowatcher, timeout): | |
685 | self.ui = ui |
|
384 | server.socketlistener.__init__(self, ui, root, repowatcher, timeout) | |
686 | self.repowatcher = repowatcher |
|
|||
687 | self.sock = socket.socket(socket.AF_UNIX) |
|
|||
688 | self.sockpath = join(root, '.hg/inotify.sock') |
|
|||
689 | self.realsockpath = None |
|
|||
690 | try: |
|
|||
691 | self.sock.bind(self.sockpath) |
|
|||
692 | except socket.error, err: |
|
|||
693 | if err[0] == errno.EADDRINUSE: |
|
|||
694 | raise AlreadyStartedException( _('cannot start: socket is ' |
|
|||
695 | 'already bound')) |
|
|||
696 | if err[0] == "AF_UNIX path too long": |
|
|||
697 | if os.path.islink(self.sockpath) and \ |
|
|||
698 | not os.path.exists(self.sockpath): |
|
|||
699 | raise util.Abort('inotify-server: cannot start: ' |
|
|||
700 | '.hg/inotify.sock is a broken symlink') |
|
|||
701 | tempdir = tempfile.mkdtemp(prefix="hg-inotify-") |
|
|||
702 | self.realsockpath = os.path.join(tempdir, "inotify.sock") |
|
|||
703 | try: |
|
|||
704 | self.sock.bind(self.realsockpath) |
|
|||
705 | os.symlink(self.realsockpath, self.sockpath) |
|
|||
706 | except (OSError, socket.error), inst: |
|
|||
707 | try: |
|
|||
708 | os.unlink(self.realsockpath) |
|
|||
709 | except: |
|
|||
710 | pass |
|
|||
711 | os.rmdir(tempdir) |
|
|||
712 | if inst.errno == errno.EEXIST: |
|
|||
713 | raise AlreadyStartedException(_('cannot start: tried ' |
|
|||
714 | 'linking .hg/inotify.sock to a temporary socket but' |
|
|||
715 | ' .hg/inotify.sock already exists')) |
|
|||
716 | raise |
|
|||
717 | else: |
|
|||
718 | raise |
|
|||
719 | self.sock.listen(5) |
|
|||
720 | self.fileno = self.sock.fileno |
|
|||
721 | self.register(timeout=timeout) |
|
385 | self.register(timeout=timeout) | |
722 |
|
386 | |||
723 | def handle_timeout(self): |
|
387 | def handle_timeout(self): | |
724 | pass |
|
388 | pass | |
725 |
|
389 | |||
726 | def answer_stat_query(self, cs): |
|
|||
727 | names = cs.read().split('\0') |
|
|||
728 |
|
||||
729 | states = names.pop() |
|
|||
730 |
|
||||
731 | self.ui.note(_('answering query for %r\n') % states) |
|
|||
732 |
|
||||
733 | if self.repowatcher.timeout: |
|
|||
734 | # We got a query while a rescan is pending. Make sure we |
|
|||
735 | # rescan before responding, or we could give back a wrong |
|
|||
736 | # answer. |
|
|||
737 | self.repowatcher.handle_timeout() |
|
|||
738 |
|
||||
739 | visited = set() |
|
|||
740 | if not names: |
|
|||
741 | def genresult(states, tree): |
|
|||
742 | for fn, state in tree.walk(states): |
|
|||
743 | yield fn |
|
|||
744 | else: |
|
|||
745 | def genresult(states, tree): |
|
|||
746 | for fn in names: |
|
|||
747 | for f in tree.lookup(states, fn, visited): |
|
|||
748 | yield f |
|
|||
749 |
|
||||
750 | return ['\0'.join(r) for r in [ |
|
|||
751 | genresult('l', self.repowatcher.statustrees['l']), |
|
|||
752 | genresult('m', self.repowatcher.statustrees['m']), |
|
|||
753 | genresult('a', self.repowatcher.statustrees['a']), |
|
|||
754 | genresult('r', self.repowatcher.statustrees['r']), |
|
|||
755 | genresult('!', self.repowatcher.statustrees['!']), |
|
|||
756 | '?' in states |
|
|||
757 | and genresult('?', self.repowatcher.statustrees['?']) |
|
|||
758 | or [], |
|
|||
759 | [], |
|
|||
760 | 'c' in states and genresult('n', self.repowatcher.tree) or [], |
|
|||
761 | visited |
|
|||
762 | ]] |
|
|||
763 |
|
||||
764 | def answer_dbug_query(self): |
|
|||
765 | return ['\0'.join(self.repowatcher.debug())] |
|
|||
766 |
|
||||
767 | def handle_pollevents(self, events): |
|
390 | def handle_pollevents(self, events): | |
768 | for e in events: |
|
391 | for e in events: | |
769 |
self. |
|
392 | self.accept_connection() | |
770 |
|
||||
771 | def handle_pollevent(self): |
|
|||
772 | sock, addr = self.sock.accept() |
|
|||
773 |
|
||||
774 | cs = common.recvcs(sock) |
|
|||
775 | version = ord(cs.read(1)) |
|
|||
776 |
|
||||
777 | if version != common.version: |
|
|||
778 | self.ui.warn(_('received query from incompatible client ' |
|
|||
779 | 'version %d\n') % version) |
|
|||
780 | try: |
|
|||
781 | # try to send back our version to the client |
|
|||
782 | # this way, the client too is informed of the mismatch |
|
|||
783 | sock.sendall(chr(common.version)) |
|
|||
784 | except: |
|
|||
785 | pass |
|
|||
786 | return |
|
|||
787 |
|
||||
788 | type = cs.read(4) |
|
|||
789 |
|
||||
790 | if type == 'STAT': |
|
|||
791 | results = self.answer_stat_query(cs) |
|
|||
792 | elif type == 'DBUG': |
|
|||
793 | results = self.answer_dbug_query() |
|
|||
794 | else: |
|
|||
795 | self.ui.warn(_('unrecognized query type: %s\n') % type) |
|
|||
796 | return |
|
|||
797 |
|
||||
798 | try: |
|
|||
799 | try: |
|
|||
800 | v = chr(common.version) |
|
|||
801 |
|
||||
802 | sock.sendall(v + type + struct.pack(common.resphdrfmts[type], |
|
|||
803 | *map(len, results))) |
|
|||
804 | sock.sendall(''.join(results)) |
|
|||
805 | finally: |
|
|||
806 | sock.shutdown(socket.SHUT_WR) |
|
|||
807 | except socket.error, err: |
|
|||
808 | if err[0] != errno.EPIPE: |
|
|||
809 | raise |
|
|||
810 |
|
393 | |||
811 | def shutdown(self): |
|
394 | def shutdown(self): | |
812 | self.sock.close() |
|
395 | self.sock.close() | |
813 | try: |
|
396 | try: | |
814 | os.unlink(self.sockpath) |
|
397 | os.unlink(self.sockpath) | |
815 | if self.realsockpath: |
|
398 | if self.realsockpath: | |
816 | os.unlink(self.realsockpath) |
|
399 | os.unlink(self.realsockpath) | |
817 | os.rmdir(os.path.dirname(self.realsockpath)) |
|
400 | os.rmdir(os.path.dirname(self.realsockpath)) | |
818 | except OSError, err: |
|
401 | except OSError, err: | |
819 | if err.errno != errno.ENOENT: |
|
402 | if err.errno != errno.ENOENT: | |
820 | raise |
|
403 | raise | |
821 |
|
404 | |||
|
405 | def answer_stat_query(self, cs): | |||
|
406 | if self.repowatcher.timeout: | |||
|
407 | # We got a query while a rescan is pending. Make sure we | |||
|
408 | # rescan before responding, or we could give back a wrong | |||
|
409 | # answer. | |||
|
410 | self.repowatcher.handle_timeout() | |||
|
411 | return server.socketlistener.answer_stat_query(self, cs) | |||
|
412 | ||||
822 | class master(object): |
|
413 | class master(object): | |
823 | def __init__(self, ui, dirstate, root, timeout=None): |
|
414 | def __init__(self, ui, dirstate, root, timeout=None): | |
824 | self.ui = ui |
|
415 | self.ui = ui | |
825 | self.repowatcher = repowatcher(ui, dirstate, root) |
|
416 | self.repowatcher = repowatcher(ui, dirstate, root) | |
826 |
self.s |
|
417 | self.socketlistener = socketlistener(ui, root, self.repowatcher, | |
|
418 | timeout) | |||
827 |
|
419 | |||
828 | def shutdown(self): |
|
420 | def shutdown(self): | |
829 | for obj in pollable.instances.itervalues(): |
|
421 | for obj in pollable.instances.itervalues(): | |
830 | obj.shutdown() |
|
422 | obj.shutdown() | |
831 |
|
423 | |||
832 | def run(self): |
|
424 | def run(self): | |
833 | self.repowatcher.setup() |
|
425 | self.repowatcher.setup() | |
834 | self.ui.note(_('finished setup\n')) |
|
426 | self.ui.note(_('finished setup\n')) | |
835 | if os.getenv('TIME_STARTUP'): |
|
427 | if os.getenv('TIME_STARTUP'): | |
836 | sys.exit(0) |
|
428 | sys.exit(0) | |
837 | pollable.run() |
|
429 | pollable.run() | |
838 |
|
||||
839 | def start(ui, dirstate, root, opts): |
|
|||
840 | timeout = opts.get('timeout') |
|
|||
841 | if timeout: |
|
|||
842 | timeout = float(timeout) * 1e3 |
|
|||
843 |
|
||||
844 | class service(object): |
|
|||
845 | def init(self): |
|
|||
846 | try: |
|
|||
847 | self.master = master(ui, dirstate, root, timeout) |
|
|||
848 | except AlreadyStartedException, inst: |
|
|||
849 | raise util.Abort("inotify-server: %s" % inst) |
|
|||
850 |
|
||||
851 | def run(self): |
|
|||
852 | try: |
|
|||
853 | self.master.run() |
|
|||
854 | finally: |
|
|||
855 | self.master.shutdown() |
|
|||
856 |
|
||||
857 | if 'inserve' not in sys.argv: |
|
|||
858 | runargs = [sys.argv[0], 'inserve', '-R', root] |
|
|||
859 | else: |
|
|||
860 | runargs = sys.argv[:] |
|
|||
861 |
|
||||
862 | pidfile = ui.config('inotify', 'pidfile') |
|
|||
863 | if opts['daemon'] and pidfile is not None and 'pid-file' not in runargs: |
|
|||
864 | runargs.append("--pid-file=%s" % pidfile) |
|
|||
865 |
|
||||
866 | service = service() |
|
|||
867 | logfile = ui.config('inotify', 'log') |
|
|||
868 | cmdutil.service(opts, initfn=service.init, runfn=service.run, |
|
|||
869 | logfile=logfile, runargs=runargs) |
|
@@ -1,869 +1,486 b'' | |||||
1 | # server.py - inotify status server |
|
1 | # server.py - common entry point for inotify status server | |
2 | # |
|
2 | # | |
3 | # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> |
|
3 | # Copyright 2009 Nicolas Dumazet <nicdumz@gmail.com> | |
4 | # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> |
|
|||
5 | # |
|
4 | # | |
6 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
7 | # GNU General Public License version 2, incorporated herein by reference. |
|
6 | # GNU General Public License version 2, incorporated herein by reference. | |
8 |
|
7 | |||
9 | from mercurial.i18n import _ |
|
8 | from mercurial.i18n import _ | |
10 | from mercurial import cmdutil, osutil, util |
|
9 | from mercurial import cmdutil, osutil, util | |
11 | import common |
|
10 | import common | |
12 | import errno, os, select, socket, stat, struct, sys, tempfile, time |
|
|||
13 |
|
11 | |||
14 | try: |
|
12 | import errno | |
15 | import linux as inotify |
|
13 | import os | |
16 | from linux import watcher |
|
14 | import socket | |
17 | except ImportError: |
|
15 | import stat | |
18 | raise |
|
16 | import struct | |
|
17 | import sys | |||
|
18 | import tempfile | |||
19 |
|
19 | |||
20 | class AlreadyStartedException(Exception): pass |
|
20 | class AlreadyStartedException(Exception): pass | |
21 |
|
21 | |||
22 | def join(a, b): |
|
22 | def join(a, b): | |
23 | if a: |
|
23 | if a: | |
24 | if a[-1] == '/': |
|
24 | if a[-1] == '/': | |
25 | return a + b |
|
25 | return a + b | |
26 | return a + '/' + b |
|
26 | return a + '/' + b | |
27 | return b |
|
27 | return b | |
28 |
|
28 | |||
29 | def split(path): |
|
29 | def split(path): | |
30 | c = path.rfind('/') |
|
30 | c = path.rfind('/') | |
31 | if c == -1: |
|
31 | if c == -1: | |
32 | return '', path |
|
32 | return '', path | |
33 | return path[:c], path[c+1:] |
|
33 | return path[:c], path[c+1:] | |
34 |
|
34 | |||
35 | walk_ignored_errors = (errno.ENOENT, errno.ENAMETOOLONG) |
|
35 | walk_ignored_errors = (errno.ENOENT, errno.ENAMETOOLONG) | |
36 |
|
36 | |||
37 | def walkrepodirs(dirstate, absroot): |
|
|||
38 | '''Iterate over all subdirectories of this repo. |
|
|||
39 | Exclude the .hg directory, any nested repos, and ignored dirs.''' |
|
|||
40 | def walkit(dirname, top): |
|
|||
41 | fullpath = join(absroot, dirname) |
|
|||
42 | try: |
|
|||
43 | for name, kind in osutil.listdir(fullpath): |
|
|||
44 | if kind == stat.S_IFDIR: |
|
|||
45 | if name == '.hg': |
|
|||
46 | if not top: |
|
|||
47 | return |
|
|||
48 | else: |
|
|||
49 | d = join(dirname, name) |
|
|||
50 | if dirstate._ignore(d): |
|
|||
51 | continue |
|
|||
52 | for subdir in walkit(d, False): |
|
|||
53 | yield subdir |
|
|||
54 | except OSError, err: |
|
|||
55 | if err.errno not in walk_ignored_errors: |
|
|||
56 | raise |
|
|||
57 | yield fullpath |
|
|||
58 |
|
||||
59 | return walkit('', True) |
|
|||
60 |
|
||||
61 | def walk(dirstate, absroot, root): |
|
37 | def walk(dirstate, absroot, root): | |
62 | '''Like os.walk, but only yields regular files.''' |
|
38 | '''Like os.walk, but only yields regular files.''' | |
63 |
|
39 | |||
64 | # This function is critical to performance during startup. |
|
40 | # This function is critical to performance during startup. | |
65 |
|
41 | |||
66 | def walkit(root, reporoot): |
|
42 | def walkit(root, reporoot): | |
67 | files, dirs = [], [] |
|
43 | files, dirs = [], [] | |
68 |
|
44 | |||
69 | try: |
|
45 | try: | |
70 | fullpath = join(absroot, root) |
|
46 | fullpath = join(absroot, root) | |
71 | for name, kind in osutil.listdir(fullpath): |
|
47 | for name, kind in osutil.listdir(fullpath): | |
72 | if kind == stat.S_IFDIR: |
|
48 | if kind == stat.S_IFDIR: | |
73 | if name == '.hg': |
|
49 | if name == '.hg': | |
74 | if not reporoot: |
|
50 | if not reporoot: | |
75 | return |
|
51 | return | |
76 | else: |
|
52 | else: | |
77 | dirs.append(name) |
|
53 | dirs.append(name) | |
78 | path = join(root, name) |
|
54 | path = join(root, name) | |
79 | if dirstate._ignore(path): |
|
55 | if dirstate._ignore(path): | |
80 | continue |
|
56 | continue | |
81 | for result in walkit(path, False): |
|
57 | for result in walkit(path, False): | |
82 | yield result |
|
58 | yield result | |
83 | elif kind in (stat.S_IFREG, stat.S_IFLNK): |
|
59 | elif kind in (stat.S_IFREG, stat.S_IFLNK): | |
84 | files.append(name) |
|
60 | files.append(name) | |
85 | yield fullpath, dirs, files |
|
61 | yield fullpath, dirs, files | |
86 |
|
62 | |||
87 | except OSError, err: |
|
63 | except OSError, err: | |
88 | if err.errno == errno.ENOTDIR: |
|
64 | if err.errno == errno.ENOTDIR: | |
89 | # fullpath was a directory, but has since been replaced |
|
65 | # fullpath was a directory, but has since been replaced | |
90 | # by a file. |
|
66 | # by a file. | |
91 | yield fullpath, dirs, files |
|
67 | yield fullpath, dirs, files | |
92 | elif err.errno not in walk_ignored_errors: |
|
68 | elif err.errno not in walk_ignored_errors: | |
93 | raise |
|
69 | raise | |
94 |
|
70 | |||
95 | return walkit(root, root == '') |
|
71 | return walkit(root, root == '') | |
96 |
|
72 | |||
97 | def _explain_watch_limit(ui, dirstate, rootabs): |
|
|||
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(dirstate, rootabs))) |
|
|||
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 | % rootabs) |
|
|||
121 |
|
||||
122 | class pollable(object): |
|
|||
123 | """ |
|
|||
124 | Interface to support polling. |
|
|||
125 | The file descriptor returned by fileno() is registered to a polling |
|
|||
126 | object. |
|
|||
127 | Usage: |
|
|||
128 | Every tick, check if an event has happened since the last tick: |
|
|||
129 | * If yes, call handle_events |
|
|||
130 | * If no, call handle_timeout |
|
|||
131 | """ |
|
|||
132 | poll_events = select.POLLIN |
|
|||
133 | instances = {} |
|
|||
134 | poll = select.poll() |
|
|||
135 |
|
||||
136 | def fileno(self): |
|
|||
137 | raise NotImplementedError |
|
|||
138 |
|
||||
139 | def handle_events(self, events): |
|
|||
140 | raise NotImplementedError |
|
|||
141 |
|
||||
142 | def handle_timeout(self): |
|
|||
143 | raise NotImplementedError |
|
|||
144 |
|
||||
145 | def shutdown(self): |
|
|||
146 | raise NotImplementedError |
|
|||
147 |
|
||||
148 | def register(self, timeout): |
|
|||
149 | fd = self.fileno() |
|
|||
150 |
|
||||
151 | pollable.poll.register(fd, pollable.poll_events) |
|
|||
152 | pollable.instances[fd] = self |
|
|||
153 |
|
||||
154 | self.registered = True |
|
|||
155 | self.timeout = timeout |
|
|||
156 |
|
||||
157 | def unregister(self): |
|
|||
158 | pollable.poll.unregister(self) |
|
|||
159 | self.registered = False |
|
|||
160 |
|
||||
161 | @classmethod |
|
|||
162 | def run(cls): |
|
|||
163 | while True: |
|
|||
164 | timeout = None |
|
|||
165 | timeobj = None |
|
|||
166 | for obj in cls.instances.itervalues(): |
|
|||
167 | if obj.timeout is not None and (timeout is None or obj.timeout < timeout): |
|
|||
168 | timeout, timeobj = obj.timeout, obj |
|
|||
169 | try: |
|
|||
170 | events = cls.poll.poll(timeout) |
|
|||
171 | except select.error, err: |
|
|||
172 | if err[0] == errno.EINTR: |
|
|||
173 | continue |
|
|||
174 | raise |
|
|||
175 | if events: |
|
|||
176 | by_fd = {} |
|
|||
177 | for fd, event in events: |
|
|||
178 | by_fd.setdefault(fd, []).append(event) |
|
|||
179 |
|
||||
180 | for fd, events in by_fd.iteritems(): |
|
|||
181 | cls.instances[fd].handle_pollevents(events) |
|
|||
182 |
|
||||
183 | elif timeobj: |
|
|||
184 | timeobj.handle_timeout() |
|
|||
185 |
|
||||
186 | def eventaction(code): |
|
|||
187 | """ |
|
|||
188 | Decorator to help handle events in repowatcher |
|
|||
189 | """ |
|
|||
190 | def decorator(f): |
|
|||
191 | def wrapper(self, wpath): |
|
|||
192 | if code == 'm' and wpath in self.lastevent and \ |
|
|||
193 | self.lastevent[wpath] in 'cm': |
|
|||
194 | return |
|
|||
195 | self.lastevent[wpath] = code |
|
|||
196 | self.timeout = 250 |
|
|||
197 |
|
||||
198 | f(self, wpath) |
|
|||
199 |
|
||||
200 | wrapper.func_name = f.func_name |
|
|||
201 | return wrapper |
|
|||
202 | return decorator |
|
|||
203 |
|
||||
204 | class directory(object): |
|
73 | class directory(object): | |
205 | """ |
|
74 | """ | |
206 | Representing a directory |
|
75 | Representing a directory | |
207 |
|
76 | |||
208 | * path is the relative path from repo root to this directory |
|
77 | * path is the relative path from repo root to this directory | |
209 | * files is a dict listing the files in this directory |
|
78 | * files is a dict listing the files in this directory | |
210 | - keys are file names |
|
79 | - keys are file names | |
211 | - values are file status |
|
80 | - values are file status | |
212 | * dirs is a dict listing the subdirectories |
|
81 | * dirs is a dict listing the subdirectories | |
213 | - key are subdirectories names |
|
82 | - key are subdirectories names | |
214 | - values are directory objects |
|
83 | - values are directory objects | |
215 | """ |
|
84 | """ | |
216 | def __init__(self, relpath=''): |
|
85 | def __init__(self, relpath=''): | |
217 | self.path = relpath |
|
86 | self.path = relpath | |
218 | self.files = {} |
|
87 | self.files = {} | |
219 | self.dirs = {} |
|
88 | self.dirs = {} | |
220 |
|
89 | |||
221 | def dir(self, relpath): |
|
90 | def dir(self, relpath): | |
222 | """ |
|
91 | """ | |
223 | Returns the directory contained at the relative path relpath. |
|
92 | Returns the directory contained at the relative path relpath. | |
224 | Creates the intermediate directories if necessary. |
|
93 | Creates the intermediate directories if necessary. | |
225 | """ |
|
94 | """ | |
226 | if not relpath: |
|
95 | if not relpath: | |
227 | return self |
|
96 | return self | |
228 | l = relpath.split('/') |
|
97 | l = relpath.split('/') | |
229 | ret = self |
|
98 | ret = self | |
230 | while l: |
|
99 | while l: | |
231 | next = l.pop(0) |
|
100 | next = l.pop(0) | |
232 | try: |
|
101 | try: | |
233 | ret = ret.dirs[next] |
|
102 | ret = ret.dirs[next] | |
234 | except KeyError: |
|
103 | except KeyError: | |
235 | d = directory(join(ret.path, next)) |
|
104 | d = directory(join(ret.path, next)) | |
236 | ret.dirs[next] = d |
|
105 | ret.dirs[next] = d | |
237 | ret = d |
|
106 | ret = d | |
238 | return ret |
|
107 | return ret | |
239 |
|
108 | |||
240 | def walk(self, states, visited=None): |
|
109 | def walk(self, states, visited=None): | |
241 | """ |
|
110 | """ | |
242 | yield (filename, status) pairs for items in the trees |
|
111 | yield (filename, status) pairs for items in the trees | |
243 | that have status in states. |
|
112 | that have status in states. | |
244 | filenames are relative to the repo root |
|
113 | filenames are relative to the repo root | |
245 | """ |
|
114 | """ | |
246 | for file, st in self.files.iteritems(): |
|
115 | for file, st in self.files.iteritems(): | |
247 | if st in states: |
|
116 | if st in states: | |
248 | yield join(self.path, file), st |
|
117 | yield join(self.path, file), st | |
249 | for dir in self.dirs.itervalues(): |
|
118 | for dir in self.dirs.itervalues(): | |
250 | if visited is not None: |
|
119 | if visited is not None: | |
251 | visited.add(dir.path) |
|
120 | visited.add(dir.path) | |
252 | for e in dir.walk(states): |
|
121 | for e in dir.walk(states): | |
253 | yield e |
|
122 | yield e | |
254 |
|
123 | |||
255 | def lookup(self, states, path, visited): |
|
124 | def lookup(self, states, path, visited): | |
256 | """ |
|
125 | """ | |
257 | yield root-relative filenames that match path, and whose |
|
126 | yield root-relative filenames that match path, and whose | |
258 | status are in states: |
|
127 | status are in states: | |
259 | * if path is a file, yield path |
|
128 | * if path is a file, yield path | |
260 | * if path is a directory, yield directory files |
|
129 | * if path is a directory, yield directory files | |
261 | * if path is not tracked, yield nothing |
|
130 | * if path is not tracked, yield nothing | |
262 | """ |
|
131 | """ | |
263 | if path[-1] == '/': |
|
132 | if path[-1] == '/': | |
264 | path = path[:-1] |
|
133 | path = path[:-1] | |
265 |
|
134 | |||
266 | paths = path.split('/') |
|
135 | paths = path.split('/') | |
267 |
|
136 | |||
268 | # we need to check separately for last node |
|
137 | # we need to check separately for last node | |
269 | last = paths.pop() |
|
138 | last = paths.pop() | |
270 |
|
139 | |||
271 | tree = self |
|
140 | tree = self | |
272 | try: |
|
141 | try: | |
273 | for dir in paths: |
|
142 | for dir in paths: | |
274 | tree = tree.dirs[dir] |
|
143 | tree = tree.dirs[dir] | |
275 | except KeyError: |
|
144 | except KeyError: | |
276 | # path is not tracked |
|
145 | # path is not tracked | |
277 | visited.add(tree.path) |
|
146 | visited.add(tree.path) | |
278 | return |
|
147 | return | |
279 |
|
148 | |||
280 | try: |
|
149 | try: | |
281 | # if path is a directory, walk it |
|
150 | # if path is a directory, walk it | |
282 | target = tree.dirs[last] |
|
151 | target = tree.dirs[last] | |
283 | visited.add(target.path) |
|
152 | visited.add(target.path) | |
284 | for file, st in target.walk(states, visited): |
|
153 | for file, st in target.walk(states, visited): | |
285 | yield file |
|
154 | yield file | |
286 | except KeyError: |
|
155 | except KeyError: | |
287 | try: |
|
156 | try: | |
288 | if tree.files[last] in states: |
|
157 | if tree.files[last] in states: | |
289 | # path is a file |
|
158 | # path is a file | |
290 | visited.add(tree.path) |
|
159 | visited.add(tree.path) | |
291 | yield path |
|
160 | yield path | |
292 | except KeyError: |
|
161 | except KeyError: | |
293 | # path is not tracked |
|
162 | # path is not tracked | |
294 | pass |
|
163 | pass | |
295 |
|
164 | |||
296 |
class repowatcher( |
|
165 | class repowatcher(object): | |
297 | """ |
|
166 | """ | |
298 | Watches inotify events |
|
167 | Watches inotify events | |
299 | """ |
|
168 | """ | |
300 | statuskeys = 'almr!?' |
|
169 | statuskeys = 'almr!?' | |
301 | mask = ( |
|
|||
302 | inotify.IN_ATTRIB | |
|
|||
303 | inotify.IN_CREATE | |
|
|||
304 | inotify.IN_DELETE | |
|
|||
305 | inotify.IN_DELETE_SELF | |
|
|||
306 | inotify.IN_MODIFY | |
|
|||
307 | inotify.IN_MOVED_FROM | |
|
|||
308 | inotify.IN_MOVED_TO | |
|
|||
309 | inotify.IN_MOVE_SELF | |
|
|||
310 | inotify.IN_ONLYDIR | |
|
|||
311 | inotify.IN_UNMOUNT | |
|
|||
312 | 0) |
|
|||
313 |
|
170 | |||
314 | def __init__(self, ui, dirstate, root): |
|
171 | def __init__(self, ui, dirstate, root): | |
315 | self.ui = ui |
|
172 | self.ui = ui | |
316 | self.dirstate = dirstate |
|
173 | self.dirstate = dirstate | |
317 |
|
174 | |||
318 | self.wprefix = join(root, '') |
|
175 | self.wprefix = join(root, '') | |
319 | self.prefixlen = len(self.wprefix) |
|
176 | self.prefixlen = len(self.wprefix) | |
320 | try: |
|
|||
321 | self.watcher = watcher.watcher() |
|
|||
322 | except OSError, err: |
|
|||
323 | raise util.Abort(_('inotify service not available: %s') % |
|
|||
324 | err.strerror) |
|
|||
325 | self.threshold = watcher.threshold(self.watcher) |
|
|||
326 | self.fileno = self.watcher.fileno |
|
|||
327 |
|
177 | |||
328 | self.tree = directory() |
|
178 | self.tree = directory() | |
329 | self.statcache = {} |
|
179 | self.statcache = {} | |
330 | self.statustrees = dict([(s, directory()) for s in self.statuskeys]) |
|
180 | self.statustrees = dict([(s, directory()) for s in self.statuskeys]) | |
331 |
|
181 | |||
|
182 | self.ds_info = self.dirstate_info() | |||
|
183 | ||||
332 | self.last_event = None |
|
184 | self.last_event = None | |
333 |
|
185 | |||
334 | self.lastevent = {} |
|
|||
335 |
|
186 | |||
336 | self.register(timeout=None) |
|
187 | def handle_timeout(self): | |
337 |
|
188 | pass | ||
338 | self.ds_info = self.dirstate_info() |
|
|||
339 | self.handle_timeout() |
|
|||
340 | self.scan() |
|
|||
341 |
|
||||
342 | def event_time(self): |
|
|||
343 | last = self.last_event |
|
|||
344 | now = time.time() |
|
|||
345 | self.last_event = now |
|
|||
346 |
|
||||
347 | if last is None: |
|
|||
348 | return 'start' |
|
|||
349 | delta = now - last |
|
|||
350 | if delta < 5: |
|
|||
351 | return '+%.3f' % delta |
|
|||
352 | if delta < 50: |
|
|||
353 | return '+%.2f' % delta |
|
|||
354 | return '+%.1f' % delta |
|
|||
355 |
|
189 | |||
356 | def dirstate_info(self): |
|
190 | def dirstate_info(self): | |
357 | try: |
|
191 | try: | |
358 | st = os.lstat(self.wprefix + '.hg/dirstate') |
|
192 | st = os.lstat(self.wprefix + '.hg/dirstate') | |
359 | return st.st_mtime, st.st_ino |
|
193 | return st.st_mtime, st.st_ino | |
360 | except OSError, err: |
|
194 | except OSError, err: | |
361 | if err.errno != errno.ENOENT: |
|
195 | if err.errno != errno.ENOENT: | |
362 | raise |
|
196 | raise | |
363 | return 0, 0 |
|
197 | return 0, 0 | |
364 |
|
198 | |||
365 | def add_watch(self, path, mask): |
|
|||
366 | if not path: |
|
|||
367 | return |
|
|||
368 | if self.watcher.path(path) is None: |
|
|||
369 | if self.ui.debugflag: |
|
|||
370 | self.ui.note(_('watching %r\n') % path[self.prefixlen:]) |
|
|||
371 | try: |
|
|||
372 | self.watcher.add(path, mask) |
|
|||
373 | except OSError, err: |
|
|||
374 | if err.errno in (errno.ENOENT, errno.ENOTDIR): |
|
|||
375 | return |
|
|||
376 | if err.errno != errno.ENOSPC: |
|
|||
377 | raise |
|
|||
378 | _explain_watch_limit(self.ui, self.dirstate, self.wprefix) |
|
|||
379 |
|
||||
380 | def setup(self): |
|
|||
381 | self.ui.note(_('watching directories under %r\n') % self.wprefix) |
|
|||
382 | self.add_watch(self.wprefix + '.hg', inotify.IN_DELETE) |
|
|||
383 | self.check_dirstate() |
|
|||
384 |
|
||||
385 | def filestatus(self, fn, st): |
|
199 | def filestatus(self, fn, st): | |
386 | try: |
|
200 | try: | |
387 | type_, mode, size, time = self.dirstate._map[fn][:4] |
|
201 | type_, mode, size, time = self.dirstate._map[fn][:4] | |
388 | except KeyError: |
|
202 | except KeyError: | |
389 | type_ = '?' |
|
203 | type_ = '?' | |
390 | if type_ == 'n': |
|
204 | if type_ == 'n': | |
391 | st_mode, st_size, st_mtime = st |
|
205 | st_mode, st_size, st_mtime = st | |
392 | if size == -1: |
|
206 | if size == -1: | |
393 | return 'l' |
|
207 | return 'l' | |
394 | if size and (size != st_size or (mode ^ st_mode) & 0100): |
|
208 | if size and (size != st_size or (mode ^ st_mode) & 0100): | |
395 | return 'm' |
|
209 | return 'm' | |
396 | if time != int(st_mtime): |
|
210 | if time != int(st_mtime): | |
397 | return 'l' |
|
211 | return 'l' | |
398 | return 'n' |
|
212 | return 'n' | |
399 | if type_ == '?' and self.dirstate._ignore(fn): |
|
213 | if type_ == '?' and self.dirstate._ignore(fn): | |
400 | return 'i' |
|
214 | return 'i' | |
401 | return type_ |
|
215 | return type_ | |
402 |
|
216 | |||
403 | def updatefile(self, wfn, osstat): |
|
217 | def updatefile(self, wfn, osstat): | |
404 | ''' |
|
218 | ''' | |
405 | update the file entry of an existing file. |
|
219 | update the file entry of an existing file. | |
406 |
|
220 | |||
407 | osstat: (mode, size, time) tuple, as returned by os.lstat(wfn) |
|
221 | osstat: (mode, size, time) tuple, as returned by os.lstat(wfn) | |
408 | ''' |
|
222 | ''' | |
409 |
|
223 | |||
410 | self._updatestatus(wfn, self.filestatus(wfn, osstat)) |
|
224 | self._updatestatus(wfn, self.filestatus(wfn, osstat)) | |
411 |
|
225 | |||
412 | def deletefile(self, wfn, oldstatus): |
|
226 | def deletefile(self, wfn, oldstatus): | |
413 | ''' |
|
227 | ''' | |
414 | update the entry of a file which has been deleted. |
|
228 | update the entry of a file which has been deleted. | |
415 |
|
229 | |||
416 | oldstatus: char in statuskeys, status of the file before deletion |
|
230 | oldstatus: char in statuskeys, status of the file before deletion | |
417 | ''' |
|
231 | ''' | |
418 | if oldstatus == 'r': |
|
232 | if oldstatus == 'r': | |
419 | newstatus = 'r' |
|
233 | newstatus = 'r' | |
420 | elif oldstatus in 'almn': |
|
234 | elif oldstatus in 'almn': | |
421 | newstatus = '!' |
|
235 | newstatus = '!' | |
422 | else: |
|
236 | else: | |
423 | newstatus = None |
|
237 | newstatus = None | |
424 |
|
238 | |||
425 | self.statcache.pop(wfn, None) |
|
239 | self.statcache.pop(wfn, None) | |
426 | self._updatestatus(wfn, newstatus) |
|
240 | self._updatestatus(wfn, newstatus) | |
427 |
|
241 | |||
428 | def _updatestatus(self, wfn, newstatus): |
|
242 | def _updatestatus(self, wfn, newstatus): | |
429 | ''' |
|
243 | ''' | |
430 | Update the stored status of a file. |
|
244 | Update the stored status of a file. | |
431 |
|
245 | |||
432 | newstatus: - char in (statuskeys + 'ni'), new status to apply. |
|
246 | newstatus: - char in (statuskeys + 'ni'), new status to apply. | |
433 | - or None, to stop tracking wfn |
|
247 | - or None, to stop tracking wfn | |
434 | ''' |
|
248 | ''' | |
435 | root, fn = split(wfn) |
|
249 | root, fn = split(wfn) | |
436 | d = self.tree.dir(root) |
|
250 | d = self.tree.dir(root) | |
437 |
|
251 | |||
438 | oldstatus = d.files.get(fn) |
|
252 | oldstatus = d.files.get(fn) | |
439 | # oldstatus can be either: |
|
253 | # oldstatus can be either: | |
440 | # - None : fn is new |
|
254 | # - None : fn is new | |
441 | # - a char in statuskeys: fn is a (tracked) file |
|
255 | # - a char in statuskeys: fn is a (tracked) file | |
442 |
|
256 | |||
443 | if self.ui.debugflag and oldstatus != newstatus: |
|
257 | if self.ui.debugflag and oldstatus != newstatus: | |
444 | self.ui.note(_('status: %r %s -> %s\n') % |
|
258 | self.ui.note(_('status: %r %s -> %s\n') % | |
445 | (wfn, oldstatus, newstatus)) |
|
259 | (wfn, oldstatus, newstatus)) | |
446 |
|
260 | |||
447 | if oldstatus and oldstatus in self.statuskeys \ |
|
261 | if oldstatus and oldstatus in self.statuskeys \ | |
448 | and oldstatus != newstatus: |
|
262 | and oldstatus != newstatus: | |
449 | del self.statustrees[oldstatus].dir(root).files[fn] |
|
263 | del self.statustrees[oldstatus].dir(root).files[fn] | |
450 |
|
264 | |||
451 | if newstatus in (None, 'i'): |
|
265 | if newstatus in (None, 'i'): | |
452 | d.files.pop(fn, None) |
|
266 | d.files.pop(fn, None) | |
453 | elif oldstatus != newstatus: |
|
267 | elif oldstatus != newstatus: | |
454 | d.files[fn] = newstatus |
|
268 | d.files[fn] = newstatus | |
455 | if newstatus != 'n': |
|
269 | if newstatus != 'n': | |
456 | self.statustrees[newstatus].dir(root).files[fn] = newstatus |
|
270 | self.statustrees[newstatus].dir(root).files[fn] = newstatus | |
457 |
|
271 | |||
458 |
|
||||
459 | def check_deleted(self, key): |
|
272 | def check_deleted(self, key): | |
460 | # Files that had been deleted but were present in the dirstate |
|
273 | # Files that had been deleted but were present in the dirstate | |
461 | # may have vanished from the dirstate; we must clean them up. |
|
274 | # may have vanished from the dirstate; we must clean them up. | |
462 | nuke = [] |
|
275 | nuke = [] | |
463 | for wfn, ignore in self.statustrees[key].walk(key): |
|
276 | for wfn, ignore in self.statustrees[key].walk(key): | |
464 | if wfn not in self.dirstate: |
|
277 | if wfn not in self.dirstate: | |
465 | nuke.append(wfn) |
|
278 | nuke.append(wfn) | |
466 | for wfn in nuke: |
|
279 | for wfn in nuke: | |
467 | root, fn = split(wfn) |
|
280 | root, fn = split(wfn) | |
468 | del self.statustrees[key].dir(root).files[fn] |
|
281 | del self.statustrees[key].dir(root).files[fn] | |
469 | del self.tree.dir(root).files[fn] |
|
282 | del self.tree.dir(root).files[fn] | |
470 |
|
283 | |||
471 | def scan(self, topdir=''): |
|
|||
472 | ds = self.dirstate._map.copy() |
|
|||
473 | self.add_watch(join(self.wprefix, topdir), self.mask) |
|
|||
474 | for root, dirs, files in walk(self.dirstate, self.wprefix, topdir): |
|
|||
475 | for d in dirs: |
|
|||
476 | self.add_watch(join(root, d), self.mask) |
|
|||
477 | wroot = root[self.prefixlen:] |
|
|||
478 | for fn in files: |
|
|||
479 | wfn = join(wroot, fn) |
|
|||
480 | self.updatefile(wfn, self.getstat(wfn)) |
|
|||
481 | ds.pop(wfn, None) |
|
|||
482 | wtopdir = topdir |
|
|||
483 | if wtopdir and wtopdir[-1] != '/': |
|
|||
484 | wtopdir += '/' |
|
|||
485 | for wfn, state in ds.iteritems(): |
|
|||
486 | if not wfn.startswith(wtopdir): |
|
|||
487 | continue |
|
|||
488 | try: |
|
|||
489 | st = self.stat(wfn) |
|
|||
490 | except OSError: |
|
|||
491 | status = state[0] |
|
|||
492 | self.deletefile(wfn, status) |
|
|||
493 | else: |
|
|||
494 | self.updatefile(wfn, st) |
|
|||
495 | self.check_deleted('!') |
|
|||
496 | self.check_deleted('r') |
|
|||
497 |
|
||||
498 | def check_dirstate(self): |
|
284 | def check_dirstate(self): | |
499 | ds_info = self.dirstate_info() |
|
285 | ds_info = self.dirstate_info() | |
500 | if ds_info == self.ds_info: |
|
286 | if ds_info == self.ds_info: | |
501 | return |
|
287 | return | |
502 | self.ds_info = ds_info |
|
288 | self.ds_info = ds_info | |
503 | if not self.ui.debugflag: |
|
289 | if not self.ui.debugflag: | |
504 | self.last_event = None |
|
290 | self.last_event = None | |
505 | self.ui.note(_('%s dirstate reload\n') % self.event_time()) |
|
|||
506 | self.dirstate.invalidate() |
|
291 | self.dirstate.invalidate() | |
507 | self.handle_timeout() |
|
292 | self.handle_timeout() | |
508 | self.scan() |
|
293 | self.scan() | |
509 | self.ui.note(_('%s end dirstate reload\n') % self.event_time()) |
|
|||
510 |
|
294 | |||
511 | def update_hgignore(self): |
|
295 | def update_hgignore(self): | |
512 | # An update of the ignore file can potentially change the |
|
296 | # An update of the ignore file can potentially change the | |
513 | # states of all unknown and ignored files. |
|
297 | # states of all unknown and ignored files. | |
514 |
|
298 | |||
515 | # XXX If the user has other ignore files outside the repo, or |
|
299 | # XXX If the user has other ignore files outside the repo, or | |
516 | # changes their list of ignore files at run time, we'll |
|
300 | # changes their list of ignore files at run time, we'll | |
517 | # potentially never see changes to them. We could get the |
|
301 | # potentially never see changes to them. We could get the | |
518 | # client to report to us what ignore data they're using. |
|
302 | # client to report to us what ignore data they're using. | |
519 | # But it's easier to do nothing than to open that can of |
|
303 | # But it's easier to do nothing than to open that can of | |
520 | # worms. |
|
304 | # worms. | |
521 |
|
305 | |||
522 | if '_ignore' in self.dirstate.__dict__: |
|
306 | if '_ignore' in self.dirstate.__dict__: | |
523 | delattr(self.dirstate, '_ignore') |
|
307 | delattr(self.dirstate, '_ignore') | |
524 | self.ui.note(_('rescanning due to .hgignore change\n')) |
|
308 | self.ui.note(_('rescanning due to .hgignore change\n')) | |
525 | self.handle_timeout() |
|
309 | self.handle_timeout() | |
526 | self.scan() |
|
310 | self.scan() | |
527 |
|
311 | |||
528 | def getstat(self, wpath): |
|
312 | def getstat(self, wpath): | |
529 | try: |
|
313 | try: | |
530 | return self.statcache[wpath] |
|
314 | return self.statcache[wpath] | |
531 | except KeyError: |
|
315 | except KeyError: | |
532 | try: |
|
316 | try: | |
533 | return self.stat(wpath) |
|
317 | return self.stat(wpath) | |
534 | except OSError, err: |
|
318 | except OSError, err: | |
535 | if err.errno != errno.ENOENT: |
|
319 | if err.errno != errno.ENOENT: | |
536 | raise |
|
320 | raise | |
537 |
|
321 | |||
538 | def stat(self, wpath): |
|
322 | def stat(self, wpath): | |
539 | try: |
|
323 | try: | |
540 | st = os.lstat(join(self.wprefix, wpath)) |
|
324 | st = os.lstat(join(self.wprefix, wpath)) | |
541 | ret = st.st_mode, st.st_size, st.st_mtime |
|
325 | ret = st.st_mode, st.st_size, st.st_mtime | |
542 | self.statcache[wpath] = ret |
|
326 | self.statcache[wpath] = ret | |
543 | return ret |
|
327 | return ret | |
544 | except OSError: |
|
328 | except OSError: | |
545 | self.statcache.pop(wpath, None) |
|
329 | self.statcache.pop(wpath, None) | |
546 | raise |
|
330 | raise | |
547 |
|
331 | |||
548 | @eventaction('c') |
|
332 | class socketlistener(object): | |
549 | def created(self, wpath): |
|
|||
550 | if wpath == '.hgignore': |
|
|||
551 | self.update_hgignore() |
|
|||
552 | try: |
|
|||
553 | st = self.stat(wpath) |
|
|||
554 | if stat.S_ISREG(st[0]): |
|
|||
555 | self.updatefile(wpath, st) |
|
|||
556 | except OSError: |
|
|||
557 | pass |
|
|||
558 |
|
||||
559 | @eventaction('m') |
|
|||
560 | def modified(self, wpath): |
|
|||
561 | if wpath == '.hgignore': |
|
|||
562 | self.update_hgignore() |
|
|||
563 | try: |
|
|||
564 | st = self.stat(wpath) |
|
|||
565 | if stat.S_ISREG(st[0]): |
|
|||
566 | if self.dirstate[wpath] in 'lmn': |
|
|||
567 | self.updatefile(wpath, st) |
|
|||
568 | except OSError: |
|
|||
569 | pass |
|
|||
570 |
|
||||
571 | @eventaction('d') |
|
|||
572 | def deleted(self, wpath): |
|
|||
573 | if wpath == '.hgignore': |
|
|||
574 | self.update_hgignore() |
|
|||
575 | elif wpath.startswith('.hg/'): |
|
|||
576 | if wpath == '.hg/wlock': |
|
|||
577 | self.check_dirstate() |
|
|||
578 | return |
|
|||
579 |
|
||||
580 | self.deletefile(wpath, self.dirstate[wpath]) |
|
|||
581 |
|
||||
582 | def process_create(self, wpath, evt): |
|
|||
583 | if self.ui.debugflag: |
|
|||
584 | self.ui.note(_('%s event: created %s\n') % |
|
|||
585 | (self.event_time(), wpath)) |
|
|||
586 |
|
||||
587 | if evt.mask & inotify.IN_ISDIR: |
|
|||
588 | self.scan(wpath) |
|
|||
589 | else: |
|
|||
590 | self.created(wpath) |
|
|||
591 |
|
||||
592 | def process_delete(self, wpath, evt): |
|
|||
593 | if self.ui.debugflag: |
|
|||
594 | self.ui.note(_('%s event: deleted %s\n') % |
|
|||
595 | (self.event_time(), wpath)) |
|
|||
596 |
|
||||
597 | if evt.mask & inotify.IN_ISDIR: |
|
|||
598 | tree = self.tree.dir(wpath) |
|
|||
599 | todelete = [wfn for wfn, ignore in tree.walk('?')] |
|
|||
600 | for fn in todelete: |
|
|||
601 | self.deletefile(fn, '?') |
|
|||
602 | self.scan(wpath) |
|
|||
603 | else: |
|
|||
604 | self.deleted(wpath) |
|
|||
605 |
|
||||
606 | def process_modify(self, wpath, evt): |
|
|||
607 | if self.ui.debugflag: |
|
|||
608 | self.ui.note(_('%s event: modified %s\n') % |
|
|||
609 | (self.event_time(), wpath)) |
|
|||
610 |
|
||||
611 | if not (evt.mask & inotify.IN_ISDIR): |
|
|||
612 | self.modified(wpath) |
|
|||
613 |
|
||||
614 | def process_unmount(self, evt): |
|
|||
615 | self.ui.warn(_('filesystem containing %s was unmounted\n') % |
|
|||
616 | evt.fullpath) |
|
|||
617 | sys.exit(0) |
|
|||
618 |
|
||||
619 | def handle_pollevents(self, events): |
|
|||
620 | if self.ui.debugflag: |
|
|||
621 | self.ui.note(_('%s readable: %d bytes\n') % |
|
|||
622 | (self.event_time(), self.threshold.readable())) |
|
|||
623 | if not self.threshold(): |
|
|||
624 | if self.registered: |
|
|||
625 | if self.ui.debugflag: |
|
|||
626 | self.ui.note(_('%s below threshold - unhooking\n') % |
|
|||
627 | (self.event_time())) |
|
|||
628 | self.unregister() |
|
|||
629 | self.timeout = 250 |
|
|||
630 | else: |
|
|||
631 | self.read_events() |
|
|||
632 |
|
||||
633 | def read_events(self, bufsize=None): |
|
|||
634 | events = self.watcher.read(bufsize) |
|
|||
635 | if self.ui.debugflag: |
|
|||
636 | self.ui.note(_('%s reading %d events\n') % |
|
|||
637 | (self.event_time(), len(events))) |
|
|||
638 | for evt in events: |
|
|||
639 | assert evt.fullpath.startswith(self.wprefix) |
|
|||
640 | wpath = evt.fullpath[self.prefixlen:] |
|
|||
641 |
|
||||
642 | # paths have been normalized, wpath never ends with a '/' |
|
|||
643 |
|
||||
644 | if wpath.startswith('.hg/') and evt.mask & inotify.IN_ISDIR: |
|
|||
645 | # ignore subdirectories of .hg/ (merge, patches...) |
|
|||
646 | continue |
|
|||
647 |
|
||||
648 | if evt.mask & inotify.IN_UNMOUNT: |
|
|||
649 | self.process_unmount(wpath, evt) |
|
|||
650 | elif evt.mask & (inotify.IN_MODIFY | inotify.IN_ATTRIB): |
|
|||
651 | self.process_modify(wpath, evt) |
|
|||
652 | elif evt.mask & (inotify.IN_DELETE | inotify.IN_DELETE_SELF | |
|
|||
653 | inotify.IN_MOVED_FROM): |
|
|||
654 | self.process_delete(wpath, evt) |
|
|||
655 | elif evt.mask & (inotify.IN_CREATE | inotify.IN_MOVED_TO): |
|
|||
656 | self.process_create(wpath, evt) |
|
|||
657 |
|
||||
658 | self.lastevent.clear() |
|
|||
659 |
|
||||
660 | def handle_timeout(self): |
|
|||
661 | if not self.registered: |
|
|||
662 | if self.ui.debugflag: |
|
|||
663 | self.ui.note(_('%s hooking back up with %d bytes readable\n') % |
|
|||
664 | (self.event_time(), self.threshold.readable())) |
|
|||
665 | self.read_events(0) |
|
|||
666 | self.register(timeout=None) |
|
|||
667 |
|
||||
668 | self.timeout = None |
|
|||
669 |
|
||||
670 | def shutdown(self): |
|
|||
671 | self.watcher.close() |
|
|||
672 |
|
||||
673 | def debug(self): |
|
|||
674 | """ |
|
|||
675 | Returns a sorted list of relatives paths currently watched, |
|
|||
676 | for debugging purposes. |
|
|||
677 | """ |
|
|||
678 | return sorted(tuple[0][self.prefixlen:] for tuple in self.watcher) |
|
|||
679 |
|
||||
680 | class server(pollable): |
|
|||
681 | """ |
|
333 | """ | |
682 | Listens for client queries on unix socket inotify.sock |
|
334 | Listens for client queries on unix socket inotify.sock | |
683 | """ |
|
335 | """ | |
684 | def __init__(self, ui, root, repowatcher, timeout): |
|
336 | def __init__(self, ui, root, repowatcher, timeout): | |
685 | self.ui = ui |
|
337 | self.ui = ui | |
686 | self.repowatcher = repowatcher |
|
338 | self.repowatcher = repowatcher | |
687 | self.sock = socket.socket(socket.AF_UNIX) |
|
339 | self.sock = socket.socket(socket.AF_UNIX) | |
688 | self.sockpath = join(root, '.hg/inotify.sock') |
|
340 | self.sockpath = join(root, '.hg/inotify.sock') | |
689 | self.realsockpath = None |
|
341 | self.realsockpath = None | |
690 | try: |
|
342 | try: | |
691 | self.sock.bind(self.sockpath) |
|
343 | self.sock.bind(self.sockpath) | |
692 | except socket.error, err: |
|
344 | except socket.error, err: | |
693 | if err[0] == errno.EADDRINUSE: |
|
345 | if err[0] == errno.EADDRINUSE: | |
694 | raise AlreadyStartedException( _('cannot start: socket is ' |
|
346 | raise AlreadyStartedException( _('cannot start: socket is ' | |
695 | 'already bound')) |
|
347 | 'already bound')) | |
696 | if err[0] == "AF_UNIX path too long": |
|
348 | if err[0] == "AF_UNIX path too long": | |
697 | if os.path.islink(self.sockpath) and \ |
|
349 | if os.path.islink(self.sockpath) and \ | |
698 | not os.path.exists(self.sockpath): |
|
350 | not os.path.exists(self.sockpath): | |
699 | raise util.Abort('inotify-server: cannot start: ' |
|
351 | raise util.Abort('inotify-server: cannot start: ' | |
700 | '.hg/inotify.sock is a broken symlink') |
|
352 | '.hg/inotify.sock is a broken symlink') | |
701 | tempdir = tempfile.mkdtemp(prefix="hg-inotify-") |
|
353 | tempdir = tempfile.mkdtemp(prefix="hg-inotify-") | |
702 | self.realsockpath = os.path.join(tempdir, "inotify.sock") |
|
354 | self.realsockpath = os.path.join(tempdir, "inotify.sock") | |
703 | try: |
|
355 | try: | |
704 | self.sock.bind(self.realsockpath) |
|
356 | self.sock.bind(self.realsockpath) | |
705 | os.symlink(self.realsockpath, self.sockpath) |
|
357 | os.symlink(self.realsockpath, self.sockpath) | |
706 | except (OSError, socket.error), inst: |
|
358 | except (OSError, socket.error), inst: | |
707 | try: |
|
359 | try: | |
708 | os.unlink(self.realsockpath) |
|
360 | os.unlink(self.realsockpath) | |
709 | except: |
|
361 | except: | |
710 | pass |
|
362 | pass | |
711 | os.rmdir(tempdir) |
|
363 | os.rmdir(tempdir) | |
712 | if inst.errno == errno.EEXIST: |
|
364 | if inst.errno == errno.EEXIST: | |
713 | raise AlreadyStartedException(_('cannot start: tried ' |
|
365 | raise AlreadyStartedException(_('cannot start: tried ' | |
714 | 'linking .hg/inotify.sock to a temporary socket but' |
|
366 | 'linking .hg/inotify.sock to a temporary socket but' | |
715 | ' .hg/inotify.sock already exists')) |
|
367 | ' .hg/inotify.sock already exists')) | |
716 | raise |
|
368 | raise | |
717 | else: |
|
369 | else: | |
718 | raise |
|
370 | raise | |
719 | self.sock.listen(5) |
|
371 | self.sock.listen(5) | |
720 | self.fileno = self.sock.fileno |
|
372 | self.fileno = self.sock.fileno | |
721 | self.register(timeout=timeout) |
|
|||
722 |
|
||||
723 | def handle_timeout(self): |
|
|||
724 | pass |
|
|||
725 |
|
373 | |||
726 | def answer_stat_query(self, cs): |
|
374 | def answer_stat_query(self, cs): | |
727 | names = cs.read().split('\0') |
|
375 | names = cs.read().split('\0') | |
728 |
|
376 | |||
729 | states = names.pop() |
|
377 | states = names.pop() | |
730 |
|
378 | |||
731 | self.ui.note(_('answering query for %r\n') % states) |
|
379 | self.ui.note(_('answering query for %r\n') % states) | |
732 |
|
380 | |||
733 | if self.repowatcher.timeout: |
|
|||
734 | # We got a query while a rescan is pending. Make sure we |
|
|||
735 | # rescan before responding, or we could give back a wrong |
|
|||
736 | # answer. |
|
|||
737 | self.repowatcher.handle_timeout() |
|
|||
738 |
|
||||
739 | visited = set() |
|
381 | visited = set() | |
740 | if not names: |
|
382 | if not names: | |
741 | def genresult(states, tree): |
|
383 | def genresult(states, tree): | |
742 | for fn, state in tree.walk(states): |
|
384 | for fn, state in tree.walk(states): | |
743 | yield fn |
|
385 | yield fn | |
744 | else: |
|
386 | else: | |
745 | def genresult(states, tree): |
|
387 | def genresult(states, tree): | |
746 | for fn in names: |
|
388 | for fn in names: | |
747 | for f in tree.lookup(states, fn, visited): |
|
389 | for f in tree.lookup(states, fn, visited): | |
748 | yield f |
|
390 | yield f | |
749 |
|
391 | |||
750 | return ['\0'.join(r) for r in [ |
|
392 | return ['\0'.join(r) for r in [ | |
751 | genresult('l', self.repowatcher.statustrees['l']), |
|
393 | genresult('l', self.repowatcher.statustrees['l']), | |
752 | genresult('m', self.repowatcher.statustrees['m']), |
|
394 | genresult('m', self.repowatcher.statustrees['m']), | |
753 | genresult('a', self.repowatcher.statustrees['a']), |
|
395 | genresult('a', self.repowatcher.statustrees['a']), | |
754 | genresult('r', self.repowatcher.statustrees['r']), |
|
396 | genresult('r', self.repowatcher.statustrees['r']), | |
755 | genresult('!', self.repowatcher.statustrees['!']), |
|
397 | genresult('!', self.repowatcher.statustrees['!']), | |
756 | '?' in states |
|
398 | '?' in states | |
757 | and genresult('?', self.repowatcher.statustrees['?']) |
|
399 | and genresult('?', self.repowatcher.statustrees['?']) | |
758 | or [], |
|
400 | or [], | |
759 | [], |
|
401 | [], | |
760 | 'c' in states and genresult('n', self.repowatcher.tree) or [], |
|
402 | 'c' in states and genresult('n', self.repowatcher.tree) or [], | |
761 | visited |
|
403 | visited | |
762 | ]] |
|
404 | ]] | |
763 |
|
405 | |||
764 | def answer_dbug_query(self): |
|
406 | def answer_dbug_query(self): | |
765 | return ['\0'.join(self.repowatcher.debug())] |
|
407 | return ['\0'.join(self.repowatcher.debug())] | |
766 |
|
408 | |||
767 | def handle_pollevents(self, events): |
|
409 | def accept_connection(self): | |
768 | for e in events: |
|
|||
769 | self.handle_pollevent() |
|
|||
770 |
|
||||
771 | def handle_pollevent(self): |
|
|||
772 | sock, addr = self.sock.accept() |
|
410 | sock, addr = self.sock.accept() | |
773 |
|
411 | |||
774 | cs = common.recvcs(sock) |
|
412 | cs = common.recvcs(sock) | |
775 | version = ord(cs.read(1)) |
|
413 | version = ord(cs.read(1)) | |
776 |
|
414 | |||
777 | if version != common.version: |
|
415 | if version != common.version: | |
778 | self.ui.warn(_('received query from incompatible client ' |
|
416 | self.ui.warn(_('received query from incompatible client ' | |
779 | 'version %d\n') % version) |
|
417 | 'version %d\n') % version) | |
780 | try: |
|
418 | try: | |
781 | # try to send back our version to the client |
|
419 | # try to send back our version to the client | |
782 | # this way, the client too is informed of the mismatch |
|
420 | # this way, the client too is informed of the mismatch | |
783 | sock.sendall(chr(common.version)) |
|
421 | sock.sendall(chr(common.version)) | |
784 | except: |
|
422 | except: | |
785 | pass |
|
423 | pass | |
786 | return |
|
424 | return | |
787 |
|
425 | |||
788 | type = cs.read(4) |
|
426 | type = cs.read(4) | |
789 |
|
427 | |||
790 | if type == 'STAT': |
|
428 | if type == 'STAT': | |
791 | results = self.answer_stat_query(cs) |
|
429 | results = self.answer_stat_query(cs) | |
792 | elif type == 'DBUG': |
|
430 | elif type == 'DBUG': | |
793 | results = self.answer_dbug_query() |
|
431 | results = self.answer_dbug_query() | |
794 | else: |
|
432 | else: | |
795 | self.ui.warn(_('unrecognized query type: %s\n') % type) |
|
433 | self.ui.warn(_('unrecognized query type: %s\n') % type) | |
796 | return |
|
434 | return | |
797 |
|
435 | |||
798 | try: |
|
436 | try: | |
799 | try: |
|
437 | try: | |
800 | v = chr(common.version) |
|
438 | v = chr(common.version) | |
801 |
|
439 | |||
802 | sock.sendall(v + type + struct.pack(common.resphdrfmts[type], |
|
440 | sock.sendall(v + type + struct.pack(common.resphdrfmts[type], | |
803 | *map(len, results))) |
|
441 | *map(len, results))) | |
804 | sock.sendall(''.join(results)) |
|
442 | sock.sendall(''.join(results)) | |
805 | finally: |
|
443 | finally: | |
806 | sock.shutdown(socket.SHUT_WR) |
|
444 | sock.shutdown(socket.SHUT_WR) | |
807 | except socket.error, err: |
|
445 | except socket.error, err: | |
808 | if err[0] != errno.EPIPE: |
|
446 | if err[0] != errno.EPIPE: | |
809 | raise |
|
447 | raise | |
810 |
|
448 | |||
811 | def shutdown(self): |
|
449 | if sys.platform == 'linux2': | |
812 | self.sock.close() |
|
450 | import linuxserver as _server | |
813 | try: |
|
451 | else: | |
814 | os.unlink(self.sockpath) |
|
452 | raise ImportError | |
815 | if self.realsockpath: |
|
|||
816 | os.unlink(self.realsockpath) |
|
|||
817 | os.rmdir(os.path.dirname(self.realsockpath)) |
|
|||
818 | except OSError, err: |
|
|||
819 | if err.errno != errno.ENOENT: |
|
|||
820 | raise |
|
|||
821 |
|
453 | |||
822 | class master(object): |
|
454 | master = _server.master | |
823 | def __init__(self, ui, dirstate, root, timeout=None): |
|
|||
824 | self.ui = ui |
|
|||
825 | self.repowatcher = repowatcher(ui, dirstate, root) |
|
|||
826 | self.server = server(ui, root, self.repowatcher, timeout) |
|
|||
827 |
|
||||
828 | def shutdown(self): |
|
|||
829 | for obj in pollable.instances.itervalues(): |
|
|||
830 | obj.shutdown() |
|
|||
831 |
|
||||
832 | def run(self): |
|
|||
833 | self.repowatcher.setup() |
|
|||
834 | self.ui.note(_('finished setup\n')) |
|
|||
835 | if os.getenv('TIME_STARTUP'): |
|
|||
836 | sys.exit(0) |
|
|||
837 | pollable.run() |
|
|||
838 |
|
455 | |||
839 | def start(ui, dirstate, root, opts): |
|
456 | def start(ui, dirstate, root, opts): | |
840 | timeout = opts.get('timeout') |
|
457 | timeout = opts.get('timeout') | |
841 | if timeout: |
|
458 | if timeout: | |
842 | timeout = float(timeout) * 1e3 |
|
459 | timeout = float(timeout) * 1e3 | |
843 |
|
460 | |||
844 | class service(object): |
|
461 | class service(object): | |
845 | def init(self): |
|
462 | def init(self): | |
846 | try: |
|
463 | try: | |
847 | self.master = master(ui, dirstate, root, timeout) |
|
464 | self.master = master(ui, dirstate, root, timeout) | |
848 | except AlreadyStartedException, inst: |
|
465 | except AlreadyStartedException, inst: | |
849 | raise util.Abort("inotify-server: %s" % inst) |
|
466 | raise util.Abort("inotify-server: %s" % inst) | |
850 |
|
467 | |||
851 | def run(self): |
|
468 | def run(self): | |
852 | try: |
|
469 | try: | |
853 | self.master.run() |
|
470 | self.master.run() | |
854 | finally: |
|
471 | finally: | |
855 | self.master.shutdown() |
|
472 | self.master.shutdown() | |
856 |
|
473 | |||
857 | if 'inserve' not in sys.argv: |
|
474 | if 'inserve' not in sys.argv: | |
858 | runargs = [sys.argv[0], 'inserve', '-R', root] |
|
475 | runargs = [sys.argv[0], 'inserve', '-R', root] | |
859 | else: |
|
476 | else: | |
860 | runargs = sys.argv[:] |
|
477 | runargs = sys.argv[:] | |
861 |
|
478 | |||
862 | pidfile = ui.config('inotify', 'pidfile') |
|
479 | pidfile = ui.config('inotify', 'pidfile') | |
863 | if opts['daemon'] and pidfile is not None and 'pid-file' not in runargs: |
|
480 | if opts['daemon'] and pidfile is not None and 'pid-file' not in runargs: | |
864 | runargs.append("--pid-file=%s" % pidfile) |
|
481 | runargs.append("--pid-file=%s" % pidfile) | |
865 |
|
482 | |||
866 | service = service() |
|
483 | service = service() | |
867 | logfile = ui.config('inotify', 'log') |
|
484 | logfile = ui.config('inotify', 'log') | |
868 | cmdutil.service(opts, initfn=service.init, runfn=service.run, |
|
485 | cmdutil.service(opts, initfn=service.init, runfn=service.run, | |
869 | logfile=logfile, runargs=runargs) |
|
486 | logfile=logfile, runargs=runargs) |
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