annotate hgext/inotify/server.py @ 7220:60826e071ce2

inotify: avoid passing potentially stale stat to update
author Matt Mackall <mpm@selenic.com>
date Wed, 22 Oct 2008 19:40:32 -0500
parents 4033195d455b
children 810ca383da9c
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rev   line source
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1 # server.py - inotify status server
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2 #
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3 # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com>
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4 # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com>
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5 #
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6 # This software may be used and distributed according to the terms
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7 # of the GNU General Public License, incorporated herein by reference.
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8
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12163fb21fce i18n: mark strings for translation in inotify extension
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9 from mercurial.i18n import _
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10 from mercurial import osutil, ui, util
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11 import common
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12 import errno, os, select, socket, stat, struct, sys, tempfile, time
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13
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14 try:
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15 import linux as inotify
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16 from linux import watcher
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17 except ImportError:
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18 print >> sys.stderr, '*** native support is required for this extension'
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19 raise
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20
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21 class AlreadyStartedException(Exception): pass
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22
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23 def join(a, b):
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24 if a:
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25 if a[-1] == '/':
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26 return a + b
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27 return a + '/' + b
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28 return b
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29
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30 walk_ignored_errors = (errno.ENOENT, errno.ENAMETOOLONG)
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31
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32 def walkrepodirs(repo):
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33 '''Iterate over all subdirectories of this repo.
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34 Exclude the .hg directory, any nested repos, and ignored dirs.'''
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35 rootslash = repo.root + os.sep
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36 def walkit(dirname, top):
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37 hginside = False
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38 try:
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39 for name, kind in osutil.listdir(rootslash + dirname):
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40 if kind == stat.S_IFDIR:
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41 if name == '.hg':
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42 hginside = True
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43 if not top: break
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44 else:
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45 d = join(dirname, name)
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46 if repo.dirstate._ignore(d):
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47 continue
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48 for subdir, hginsub in walkit(d, False):
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49 if not hginsub:
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50 yield subdir, False
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51 except OSError, err:
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52 if err.errno not in walk_ignored_errors:
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53 raise
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54 yield rootslash + dirname, hginside
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55 for dirname, hginside in walkit('', True):
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56 yield dirname
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57
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58 def walk(repo, root):
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59 '''Like os.walk, but only yields regular files.'''
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60
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61 # This function is critical to performance during startup.
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62
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63 reporoot = root == ''
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64 rootslash = repo.root + os.sep
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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 hginside = False
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69
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70 try:
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71 fullpath = rootslash + root
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72 for name, kind in osutil.listdir(fullpath):
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73 if kind == stat.S_IFDIR:
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74 if name == '.hg':
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75 hginside = True
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76 if reporoot:
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77 continue
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78 else:
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79 break
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80 dirs.append(name)
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81 elif kind in (stat.S_IFREG, stat.S_IFLNK):
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82 path = join(root, name)
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83 files.append((name, kind))
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84
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85 yield hginside, fullpath, dirs, files
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86
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87 for subdir in dirs:
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88 path = join(root, subdir)
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89 if repo.dirstate._ignore(path):
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90 continue
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91 for result in walkit(path, False):
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92 if not result[0]:
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93 yield result
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94 except OSError, err:
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95 if err.errno not in walk_ignored_errors:
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96 raise
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97 for result in walkit(root, reporoot):
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98 yield result[1:]
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99
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100 def _explain_watch_limit(ui, repo, count):
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101 path = '/proc/sys/fs/inotify/max_user_watches'
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102 try:
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103 limit = int(file(path).read())
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104 except IOError, err:
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105 if err.errno != errno.ENOENT:
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106 raise
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107 raise util.Abort(_('this system does not seem to '
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108 'support inotify'))
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109 ui.warn(_('*** the current per-user limit on the number '
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110 'of inotify watches is %s\n') % limit)
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111 ui.warn(_('*** this limit is too low to watch every '
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112 'directory in this repository\n'))
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113 ui.warn(_('*** counting directories: '))
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114 ndirs = len(list(walkrepodirs(repo)))
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115 ui.warn(_('found %d\n') % ndirs)
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116 newlimit = min(limit, 1024)
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117 while newlimit < ((limit + ndirs) * 1.1):
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118 newlimit *= 2
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119 ui.warn(_('*** to raise the limit from %d to %d (run as root):\n') %
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120 (limit, newlimit))
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121 ui.warn(_('*** echo %d > %s\n') % (newlimit, path))
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122 raise util.Abort(_('cannot watch %s until inotify watch limit is raised')
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123 % repo.root)
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124
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125 class Watcher(object):
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126 poll_events = select.POLLIN
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127 statuskeys = 'almr!?'
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128
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129 def __init__(self, ui, repo, master):
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130 self.ui = ui
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131 self.repo = repo
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132 self.wprefix = self.repo.wjoin('')
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133 self.timeout = None
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134 self.master = master
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135 self.mask = (
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136 inotify.IN_ATTRIB |
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137 inotify.IN_CREATE |
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138 inotify.IN_DELETE |
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139 inotify.IN_DELETE_SELF |
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140 inotify.IN_MODIFY |
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141 inotify.IN_MOVED_FROM |
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142 inotify.IN_MOVED_TO |
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143 inotify.IN_MOVE_SELF |
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144 inotify.IN_ONLYDIR |
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145 inotify.IN_UNMOUNT |
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146 0)
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147 try:
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148 self.watcher = watcher.Watcher()
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149 except OSError, err:
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150 raise util.Abort(_('inotify service not available: %s') %
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151 err.strerror)
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152 self.threshold = watcher.Threshold(self.watcher)
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153 self.registered = True
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154 self.fileno = self.watcher.fileno
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155
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156 self.repo.dirstate.__class__.inotifyserver = True
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157
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Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
158 self.tree = {}
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
159 self.statcache = {}
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
160 self.statustrees = dict([(s, {}) for s in self.statuskeys])
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
161
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
162 self.watches = 0
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
163 self.last_event = None
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
164
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
165 self.eventq = {}
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
166 self.deferred = 0
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
167
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
168 self.ds_info = self.dirstate_info()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
169 self.scan()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
170
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
171 def event_time(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
172 last = self.last_event
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
173 now = time.time()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
174 self.last_event = now
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
175
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
176 if last is None:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
177 return 'start'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
178 delta = now - last
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
179 if delta < 5:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
180 return '+%.3f' % delta
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
181 if delta < 50:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
182 return '+%.2f' % delta
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
183 return '+%.1f' % delta
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
184
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
185 def dirstate_info(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
186 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
187 st = os.lstat(self.repo.join('dirstate'))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
188 return st.st_mtime, st.st_ino
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
189 except OSError, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
190 if err.errno != errno.ENOENT:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
191 raise
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
192 return 0, 0
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
193
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
194 def add_watch(self, path, mask):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
195 if not path:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
196 return
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
197 if self.watcher.path(path) is None:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
198 if self.ui.debugflag:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
199 self.ui.note(_('watching %r\n') % path[len(self.wprefix):])
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
200 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
201 self.watcher.add(path, mask)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
202 self.watches += 1
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
203 except OSError, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
204 if err.errno in (errno.ENOENT, errno.ENOTDIR):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
205 return
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
206 if err.errno != errno.ENOSPC:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
207 raise
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
208 _explain_watch_limit(self.ui, self.repo, self.watches)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
209
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
210 def setup(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
211 self.ui.note(_('watching directories under %r\n') % self.repo.root)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
212 self.add_watch(self.repo.path, inotify.IN_DELETE)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
213 self.check_dirstate()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
214
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
215 def wpath(self, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
216 path = evt.fullpath
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
217 if path == self.repo.root:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
218 return ''
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
219 if path.startswith(self.wprefix):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
220 return path[len(self.wprefix):]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
221 raise 'wtf? ' + path
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
222
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
223 def dir(self, tree, path):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
224 if path:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
225 for name in path.split('/'):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
226 tree.setdefault(name, {})
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
227 tree = tree[name]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
228 return tree
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
229
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
230 def lookup(self, path, tree):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
231 if path:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
232 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
233 for name in path.split('/'):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
234 tree = tree[name]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
235 except KeyError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
236 return 'x'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
237 except TypeError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
238 return 'd'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
239 return tree
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
240
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
241 def split(self, path):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
242 c = path.rfind('/')
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
243 if c == -1:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
244 return '', path
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
245 return path[:c], path[c+1:]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
246
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
247 def filestatus(self, fn, st):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
248 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
249 type_, mode, size, time = self.repo.dirstate._map[fn][:4]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
250 except KeyError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
251 type_ = '?'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
252 if type_ == 'n':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
253 if not st:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
254 return '!'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
255 st_mode, st_size, st_mtime = st
7082
be81b4788115 inotify: fix confusion on files in lookup state
Matt Mackall <mpm@selenic.com>
parents: 6998
diff changeset
256 if size == -1:
be81b4788115 inotify: fix confusion on files in lookup state
Matt Mackall <mpm@selenic.com>
parents: 6998
diff changeset
257 return 'l'
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
258 if size and (size != st_size or (mode ^ st_mode) & 0100):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
259 return 'm'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
260 if time != int(st_mtime):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
261 return 'l'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
262 return 'n'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
263 if type_ in 'ma' and not st:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
264 return '!'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
265 if type_ == '?' and self.repo.dirstate._ignore(fn):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
266 return 'i'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
267 return type_
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
268
7086
4033195d455b inotify: avoid status getting out of sync
Matt Mackall <mpm@selenic.com>
parents: 7085
diff changeset
269 def updatestatus(self, wfn, st=None, status=None):
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
270 if st:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
271 status = self.filestatus(wfn, st)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
272 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
273 self.statcache.pop(wfn, None)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
274 root, fn = self.split(wfn)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
275 d = self.dir(self.tree, root)
7086
4033195d455b inotify: avoid status getting out of sync
Matt Mackall <mpm@selenic.com>
parents: 7085
diff changeset
276 oldstatus = d.get(fn)
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
277 isdir = False
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
278 if oldstatus:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
279 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
280 if not status:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
281 if oldstatus in 'almn':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
282 status = '!'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
283 elif oldstatus == 'r':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
284 status = 'r'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
285 except TypeError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
286 # oldstatus may be a dict left behind by a deleted
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
287 # directory
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
288 isdir = True
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
289 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
290 if oldstatus in self.statuskeys and oldstatus != status:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
291 del self.dir(self.statustrees[oldstatus], root)[fn]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
292 if self.ui.debugflag and oldstatus != status:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
293 if isdir:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
294 self.ui.note(_('status: %r dir(%d) -> %s\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
295 (wfn, len(oldstatus), status))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
296 else:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
297 self.ui.note(_('status: %r %s -> %s\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
298 (wfn, oldstatus, status))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
299 if not isdir:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
300 if status and status != 'i':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
301 d[fn] = status
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
302 if status in self.statuskeys:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
303 dd = self.dir(self.statustrees[status], root)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
304 if oldstatus != status or fn not in dd:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
305 dd[fn] = status
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
306 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
307 d.pop(fn, None)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
308
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
309 def check_deleted(self, key):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
310 # Files that had been deleted but were present in the dirstate
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
311 # may have vanished from the dirstate; we must clean them up.
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
312 nuke = []
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
313 for wfn, ignore in self.walk(key, self.statustrees[key]):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
314 if wfn not in self.repo.dirstate:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
315 nuke.append(wfn)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
316 for wfn in nuke:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
317 root, fn = self.split(wfn)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
318 del self.dir(self.statustrees[key], root)[fn]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
319 del self.dir(self.tree, root)[fn]
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
320
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
321 def scan(self, topdir=''):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
322 self.handle_timeout()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
323 ds = self.repo.dirstate._map.copy()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
324 self.add_watch(join(self.repo.root, topdir), self.mask)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
325 for root, dirs, entries in walk(self.repo, topdir):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
326 for d in dirs:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
327 self.add_watch(join(root, d), self.mask)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
328 wroot = root[len(self.wprefix):]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
329 d = self.dir(self.tree, wroot)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
330 for fn, kind in entries:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
331 wfn = join(wroot, fn)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
332 self.updatestatus(wfn, self.getstat(wfn))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
333 ds.pop(wfn, None)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
334 wtopdir = topdir
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
335 if wtopdir and wtopdir[-1] != '/':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
336 wtopdir += '/'
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
337 for wfn, state in ds.iteritems():
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
338 if not wfn.startswith(wtopdir):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
339 continue
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
340 status = state[0]
7220
60826e071ce2 inotify: avoid passing potentially stale stat to update
Matt Mackall <mpm@selenic.com>
parents: 7086
diff changeset
341 st = self.stat(wfn)
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
342 if status == 'r' and not st:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
343 self.updatestatus(wfn, st, status=status)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
344 else:
7086
4033195d455b inotify: avoid status getting out of sync
Matt Mackall <mpm@selenic.com>
parents: 7085
diff changeset
345 self.updatestatus(wfn, st)
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
346 self.check_deleted('!')
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
347 self.check_deleted('r')
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
348
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
349 def check_dirstate(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
350 ds_info = self.dirstate_info()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
351 if ds_info == self.ds_info:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
352 return
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
353 self.ds_info = ds_info
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
354 if not self.ui.debugflag:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
355 self.last_event = None
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
356 self.ui.note(_('%s dirstate reload\n') % self.event_time())
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
357 self.repo.dirstate.invalidate()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
358 self.scan()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
359 self.ui.note(_('%s end dirstate reload\n') % self.event_time())
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
360
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
361 def walk(self, states, tree, prefix=''):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
362 # This is the "inner loop" when talking to the client.
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
363
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
364 for name, val in tree.iteritems():
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
365 path = join(prefix, name)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
366 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
367 if val in states:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
368 yield path, val
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
369 except TypeError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
370 for p in self.walk(states, val, path):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
371 yield p
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
372
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
373 def update_hgignore(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
374 # An update of the ignore file can potentially change the
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
375 # states of all unknown and ignored files.
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
376
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
377 # XXX If the user has other ignore files outside the repo, or
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
378 # changes their list of ignore files at run time, we'll
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
379 # potentially never see changes to them. We could get the
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
380 # client to report to us what ignore data they're using.
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
381 # But it's easier to do nothing than to open that can of
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
382 # worms.
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
383
7085
1fcc282e2c43 inotify: fixup rebuilding ignore
Matt Mackall <mpm@selenic.com>
parents: 7082
diff changeset
384 if '_ignore' in self.repo.dirstate.__dict__:
1fcc282e2c43 inotify: fixup rebuilding ignore
Matt Mackall <mpm@selenic.com>
parents: 7082
diff changeset
385 delattr(self.repo.dirstate, '_ignore')
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
386 self.ui.note(_('rescanning due to .hgignore change\n'))
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
387 self.scan()
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
388
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
389 def getstat(self, wpath):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
390 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
391 return self.statcache[wpath]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
392 except KeyError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
393 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
394 return self.stat(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
395 except OSError, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
396 if err.errno != errno.ENOENT:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
397 raise
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
398
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
399 def stat(self, wpath):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
400 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
401 st = os.lstat(join(self.wprefix, wpath))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
402 ret = st.st_mode, st.st_size, st.st_mtime
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
403 self.statcache[wpath] = ret
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
404 return ret
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
405 except OSError, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
406 self.statcache.pop(wpath, None)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
407 raise
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
408
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
409 def created(self, wpath):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
410 if wpath == '.hgignore':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
411 self.update_hgignore()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
412 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
413 st = self.stat(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
414 if stat.S_ISREG(st[0]):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
415 self.updatestatus(wpath, st)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
416 except OSError, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
417 pass
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
418
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
419 def modified(self, wpath):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
420 if wpath == '.hgignore':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
421 self.update_hgignore()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
422 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
423 st = self.stat(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
424 if stat.S_ISREG(st[0]):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
425 if self.repo.dirstate[wpath] in 'lmn':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
426 self.updatestatus(wpath, st)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
427 except OSError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
428 pass
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
429
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
430 def deleted(self, wpath):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
431 if wpath == '.hgignore':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
432 self.update_hgignore()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
433 elif wpath.startswith('.hg/'):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
434 if wpath == '.hg/wlock':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
435 self.check_dirstate()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
436 return
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
437
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
438 self.updatestatus(wpath, None)
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
439
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
440 def schedule_work(self, wpath, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
441 self.eventq.setdefault(wpath, [])
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
442 prev = self.eventq[wpath]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
443 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
444 if prev and evt == 'm' and prev[-1] in 'cm':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
445 return
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
446 self.eventq[wpath].append(evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
447 finally:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
448 self.deferred += 1
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
449 self.timeout = 250
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
450
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
451 def deferred_event(self, wpath, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
452 if evt == 'c':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
453 self.created(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
454 elif evt == 'm':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
455 self.modified(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
456 elif evt == 'd':
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
457 self.deleted(wpath)
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
458
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
459 def process_create(self, wpath, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
460 if self.ui.debugflag:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
461 self.ui.note(_('%s event: created %s\n') %
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
462 (self.event_time(), wpath))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
463
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
464 if evt.mask & inotify.IN_ISDIR:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
465 self.scan(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
466 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
467 self.schedule_work(wpath, 'c')
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
468
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
469 def process_delete(self, wpath, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
470 if self.ui.debugflag:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
471 self.ui.note(_('%s event: deleted %s\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
472 (self.event_time(), wpath))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
473
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
474 if evt.mask & inotify.IN_ISDIR:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
475 self.scan(wpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
476 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
477 self.schedule_work(wpath, 'd')
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
478
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
479 def process_modify(self, wpath, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
480 if self.ui.debugflag:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
481 self.ui.note(_('%s event: modified %s\n') %
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
482 (self.event_time(), wpath))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
483
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
484 if not (evt.mask & inotify.IN_ISDIR):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
485 self.schedule_work(wpath, 'm')
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
486
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
487 def process_unmount(self, evt):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
488 self.ui.warn(_('filesystem containing %s was unmounted\n') %
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
489 evt.fullpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
490 sys.exit(0)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
491
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
492 def handle_event(self, fd, event):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
493 if self.ui.debugflag:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
494 self.ui.note(_('%s readable: %d bytes\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
495 (self.event_time(), self.threshold.readable()))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
496 if not self.threshold():
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
497 if self.registered:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
498 if self.ui.debugflag:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
499 self.ui.note(_('%s below threshold - unhooking\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
500 (self.event_time()))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
501 self.master.poll.unregister(fd)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
502 self.registered = False
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
503 self.timeout = 250
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
504 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
505 self.read_events()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
506
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
507 def read_events(self, bufsize=None):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
508 events = self.watcher.read(bufsize)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
509 if self.ui.debugflag:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
510 self.ui.note(_('%s reading %d events\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
511 (self.event_time(), len(events)))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
512 for evt in events:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
513 wpath = self.wpath(evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
514 if evt.mask & inotify.IN_UNMOUNT:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
515 self.process_unmount(wpath, evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
516 elif evt.mask & (inotify.IN_MODIFY | inotify.IN_ATTRIB):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
517 self.process_modify(wpath, evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
518 elif evt.mask & (inotify.IN_DELETE | inotify.IN_DELETE_SELF |
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
519 inotify.IN_MOVED_FROM):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
520 self.process_delete(wpath, evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
521 elif evt.mask & (inotify.IN_CREATE | inotify.IN_MOVED_TO):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
522 self.process_create(wpath, evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
523
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
524 def handle_timeout(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
525 if not self.registered:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
526 if self.ui.debugflag:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
527 self.ui.note(_('%s hooking back up with %d bytes readable\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
528 (self.event_time(), self.threshold.readable()))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
529 self.read_events(0)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
530 self.master.poll.register(self, select.POLLIN)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
531 self.registered = True
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
532
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
533 if self.eventq:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
534 if self.ui.debugflag:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
535 self.ui.note(_('%s processing %d deferred events as %d\n') %
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
536 (self.event_time(), self.deferred,
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
537 len(self.eventq)))
6762
f67d1468ac50 util: add sort helper
Matt Mackall <mpm@selenic.com>
parents: 6287
diff changeset
538 for wpath, evts in util.sort(self.eventq.items()):
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
539 for evt in evts:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
540 self.deferred_event(wpath, evt)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
541 self.eventq.clear()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
542 self.deferred = 0
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
543 self.timeout = None
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
544
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
545 def shutdown(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
546 self.watcher.close()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
547
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
548 class Server(object):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
549 poll_events = select.POLLIN
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
550
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
551 def __init__(self, ui, repo, watcher, timeout):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
552 self.ui = ui
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
553 self.repo = repo
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
554 self.watcher = watcher
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
555 self.timeout = timeout
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
556 self.sock = socket.socket(socket.AF_UNIX)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
557 self.sockpath = self.repo.join('inotify.sock')
6997
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
558 self.realsockpath = None
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
559 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
560 self.sock.bind(self.sockpath)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
561 except socket.error, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
562 if err[0] == errno.EADDRINUSE:
6997
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
563 raise AlreadyStartedException(_('could not start server: %s')
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
564 % err[1])
6997
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
565 if err[0] == "AF_UNIX path too long":
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
566 tempdir = tempfile.mkdtemp(prefix="hg-inotify-")
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
567 self.realsockpath = os.path.join(tempdir, "inotify.sock")
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
568 try:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
569 self.sock.bind(self.realsockpath)
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
570 os.symlink(self.realsockpath, self.sockpath)
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
571 except (OSError, socket.error), inst:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
572 try:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
573 os.unlink(self.realsockpath)
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
574 except:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
575 pass
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
576 os.rmdir(tempdir)
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
577 if inst.errno == errno.EEXIST:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
578 raise AlreadyStartedException(_('could not start server: %s')
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
579 % inst.strerror)
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
580 raise
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
581 else:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
582 raise
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
583 self.sock.listen(5)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
584 self.fileno = self.sock.fileno
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
585
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
586 def handle_timeout(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
587 pass
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
588
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
589 def handle_event(self, fd, event):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
590 sock, addr = self.sock.accept()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
591
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
592 cs = common.recvcs(sock)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
593 version = ord(cs.read(1))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
594
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
595 sock.sendall(chr(common.version))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
596
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
597 if version != common.version:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
598 self.ui.warn(_('received query from incompatible client '
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
599 'version %d\n') % version)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
600 return
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
601
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
602 names = cs.read().split('\0')
6287
c86207d41512 Spacing cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents: 6239
diff changeset
603
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
604 states = names.pop()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
605
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
606 self.ui.note(_('answering query for %r\n') % states)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
607
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
608 if self.watcher.timeout:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
609 # We got a query while a rescan is pending. Make sure we
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
610 # rescan before responding, or we could give back a wrong
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
611 # answer.
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
612 self.watcher.handle_timeout()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
613
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
614 if not names:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
615 def genresult(states, tree):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
616 for fn, state in self.watcher.walk(states, tree):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
617 yield fn
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
618 else:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
619 def genresult(states, tree):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
620 for fn in names:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
621 l = self.watcher.lookup(fn, tree)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
622 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
623 if l in states:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
624 yield fn
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
625 except TypeError:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
626 for f, s in self.watcher.walk(states, l, fn):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
627 yield f
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
628
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
629 results = ['\0'.join(r) for r in [
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
630 genresult('l', self.watcher.statustrees['l']),
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
631 genresult('m', self.watcher.statustrees['m']),
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
632 genresult('a', self.watcher.statustrees['a']),
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
633 genresult('r', self.watcher.statustrees['r']),
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
634 genresult('!', self.watcher.statustrees['!']),
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
635 '?' in states and genresult('?', self.watcher.statustrees['?']) or [],
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
636 [],
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
637 'c' in states and genresult('n', self.watcher.tree) or [],
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
638 ]]
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
639
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
640 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
641 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
642 sock.sendall(struct.pack(common.resphdrfmt,
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
643 *map(len, results)))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
644 sock.sendall(''.join(results))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
645 finally:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
646 sock.shutdown(socket.SHUT_WR)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
647 except socket.error, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
648 if err[0] != errno.EPIPE:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
649 raise
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
650
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
651 def shutdown(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
652 self.sock.close()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
653 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
654 os.unlink(self.sockpath)
6997
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
655 if self.realsockpath:
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
656 os.unlink(self.realsockpath)
9c4e488f105e inotify: workaround ENAMETOOLONG by using symlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6994
diff changeset
657 os.rmdir(os.path.dirname(self.realsockpath))
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
658 except OSError, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
659 if err.errno != errno.ENOENT:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
660 raise
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
661
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
662 class Master(object):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
663 def __init__(self, ui, repo, timeout=None):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
664 self.ui = ui
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
665 self.repo = repo
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
666 self.poll = select.poll()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
667 self.watcher = Watcher(ui, repo, self)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
668 self.server = Server(ui, repo, self.watcher, timeout)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
669 self.table = {}
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
670 for obj in (self.watcher, self.server):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
671 fd = obj.fileno()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
672 self.table[fd] = obj
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
673 self.poll.register(fd, obj.poll_events)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
674
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
675 def register(self, fd, mask):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
676 self.poll.register(fd, mask)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
677
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
678 def shutdown(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
679 for obj in self.table.itervalues():
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
680 obj.shutdown()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
681
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
682 def run(self):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
683 self.watcher.setup()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
684 self.ui.note(_('finished setup\n'))
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
685 if os.getenv('TIME_STARTUP'):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
686 sys.exit(0)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
687 while True:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
688 timeout = None
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
689 timeobj = None
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
690 for obj in self.table.itervalues():
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
691 if obj.timeout is not None and (timeout is None or obj.timeout < timeout):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
692 timeout, timeobj = obj.timeout, obj
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
693 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
694 if self.ui.debugflag:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
695 if timeout is None:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
696 self.ui.note(_('polling: no timeout\n'))
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
697 else:
6961
12163fb21fce i18n: mark strings for translation in inotify extension
Martin Geisler <mg@daimi.au.dk>
parents: 6909
diff changeset
698 self.ui.note(_('polling: %sms timeout\n') % timeout)
6239
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
699 events = self.poll.poll(timeout)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
700 except select.error, err:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
701 if err[0] == errno.EINTR:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
702 continue
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
703 raise
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
704 if events:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
705 for fd, event in events:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
706 self.table[fd].handle_event(fd, event)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
707 elif timeobj:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
708 timeobj.handle_timeout()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
709
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
710 def start(ui, repo):
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
711 m = Master(ui, repo)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
712 sys.stdout.flush()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
713 sys.stderr.flush()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
714
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
715 pid = os.fork()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
716 if pid:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
717 return pid
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
718
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
719 os.setsid()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
720
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
721 fd = os.open('/dev/null', os.O_RDONLY)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
722 os.dup2(fd, 0)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
723 if fd > 0:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
724 os.close(fd)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
725
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
726 fd = os.open(ui.config('inotify', 'log', '/dev/null'),
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
727 os.O_RDWR | os.O_CREAT | os.O_TRUNC)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
728 os.dup2(fd, 1)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
729 os.dup2(fd, 2)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
730 if fd > 2:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
731 os.close(fd)
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
732
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
733 try:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
734 m.run()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
735 finally:
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
736 m.shutdown()
39cfcef4f463 Add inotify extension
Bryan O'Sullivan <bos@serpentine.com>
parents:
diff changeset
737 os._exit(0)