Mercurial > hg
annotate mercurial/chgserver.py @ 43077:687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Done with
python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py')
black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**')
# skip-blame mass-reformatting only
Differential Revision: https://phab.mercurial-scm.org/D6972
author | Augie Fackler <augie@google.com> |
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date | Sun, 06 Oct 2019 09:48:39 -0400 |
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1 # chgserver.py - command server extension for cHg |
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2 # |
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3 # Copyright 2011 Yuya Nishihara <yuya@tcha.org> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 """command server extension for cHg |
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9 |
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10 'S' channel (read/write) |
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11 propagate ui.system() request to client |
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12 |
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13 'attachio' command |
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14 attach client's stdio passed by sendmsg() |
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15 |
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16 'chdir' command |
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17 change current directory |
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18 |
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19 'setenv' command |
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20 replace os.environ completely |
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21 |
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22 'setumask' command (DEPRECATED) |
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23 'setumask2' command |
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25 | |
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26 'validate' command |
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27 reload the config and check if the server is up to date |
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28 |
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30 ------ | |
31 | |
32 :: | |
33 | |
34 [chgserver] | |
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35 # how long (in seconds) should an idle chg server exit |
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36 idletimeout = 3600 |
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37 |
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38 # whether to skip config or env change checks |
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39 skiphash = False |
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40 """ |
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41 |
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42 from __future__ import absolute_import |
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43 |
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44 import hashlib |
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45 import inspect |
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46 import os |
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47 import re |
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48 import socket |
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49 import stat |
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50 import struct |
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51 import time |
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52 |
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53 from .i18n import _ |
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54 |
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55 from . import ( |
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56 commandserver, |
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57 encoding, |
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58 error, |
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59 extensions, |
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60 node, |
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61 pycompat, |
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62 util, |
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63 ) |
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64 |
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65 from .utils import ( |
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66 procutil, |
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67 stringutil, |
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68 ) |
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69 |
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70 |
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71 def _hashlist(items): |
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72 """return sha1 hexdigest for a list""" |
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73 return node.hex(hashlib.sha1(stringutil.pprint(items)).digest()) |
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74 |
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75 |
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76 # sensitive config sections affecting confighash |
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77 _configsections = [ |
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78 b'alias', # affects global state commands.table |
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79 b'eol', # uses setconfig('eol', ...) |
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80 b'extdiff', # uisetup will register new commands |
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81 b'extensions', |
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82 ] |
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83 |
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84 _configsectionitems = [ |
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85 (b'commands', b'show.aliasprefix'), # show.py reads it in extsetup |
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86 ] |
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87 |
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88 # sensitive environment variables affecting confighash |
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89 _envre = re.compile( |
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90 br'''\A(?: |
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91 CHGHG |
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92 |HG(?:DEMANDIMPORT|EMITWARNINGS|MODULEPOLICY|PROF|RCPATH)? |
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93 |HG(?:ENCODING|PLAIN).* |
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94 |LANG(?:UAGE)? |
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95 |LC_.* |
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96 |LD_.* |
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97 |PATH |
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98 |PYTHON.* |
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99 |TERM(?:INFO)? |
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100 |TZ |
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101 )\Z''', |
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102 re.X, |
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103 ) |
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104 |
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105 |
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106 def _confighash(ui): |
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107 """return a quick hash for detecting config/env changes |
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108 |
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109 confighash is the hash of sensitive config items and environment variables. |
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110 |
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111 for chgserver, it is designed that once confighash changes, the server is |
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112 not qualified to serve its client and should redirect the client to a new |
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113 server. different from mtimehash, confighash change will not mark the |
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114 server outdated and exit since the user can have different configs at the |
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115 same time. |
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116 """ |
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117 sectionitems = [] |
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118 for section in _configsections: |
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119 sectionitems.append(ui.configitems(section)) |
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120 for section, item in _configsectionitems: |
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121 sectionitems.append(ui.config(section, item)) |
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122 sectionhash = _hashlist(sectionitems) |
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123 # If $CHGHG is set, the change to $HG should not trigger a new chg server |
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124 if b'CHGHG' in encoding.environ: |
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125 ignored = {b'HG'} |
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126 else: |
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127 ignored = set() |
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128 envitems = [ |
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129 (k, v) |
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130 for k, v in encoding.environ.iteritems() |
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131 if _envre.match(k) and k not in ignored |
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132 ] |
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133 envhash = _hashlist(sorted(envitems)) |
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134 return sectionhash[:6] + envhash[:6] |
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135 |
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136 |
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137 def _getmtimepaths(ui): |
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138 """get a list of paths that should be checked to detect change |
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139 |
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140 The list will include: |
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141 - extensions (will not cover all files for complex extensions) |
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142 - mercurial/__version__.py |
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143 - python binary |
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144 """ |
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145 modules = [m for n, m in extensions.extensions(ui)] |
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146 try: |
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147 from . import __version__ |
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148 |
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149 modules.append(__version__) |
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150 except ImportError: |
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151 pass |
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152 files = [] |
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153 if pycompat.sysexecutable: |
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154 files.append(pycompat.sysexecutable) |
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155 for m in modules: |
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156 try: |
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157 files.append(pycompat.fsencode(inspect.getabsfile(m))) |
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158 except TypeError: |
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159 pass |
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160 return sorted(set(files)) |
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161 |
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162 |
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163 def _mtimehash(paths): |
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164 """return a quick hash for detecting file changes |
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165 |
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166 mtimehash calls stat on given paths and calculate a hash based on size and |
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167 mtime of each file. mtimehash does not read file content because reading is |
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168 expensive. therefore it's not 100% reliable for detecting content changes. |
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169 it's possible to return different hashes for same file contents. |
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170 it's also possible to return a same hash for different file contents for |
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171 some carefully crafted situation. |
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172 |
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173 for chgserver, it is designed that once mtimehash changes, the server is |
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174 considered outdated immediately and should no longer provide service. |
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175 |
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176 mtimehash is not included in confighash because we only know the paths of |
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177 extensions after importing them (there is imp.find_module but that faces |
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178 race conditions). We need to calculate confighash without importing. |
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179 """ |
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180 |
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181 def trystat(path): |
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182 try: |
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183 st = os.stat(path) |
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184 return (st[stat.ST_MTIME], st.st_size) |
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185 except OSError: |
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186 # could be ENOENT, EPERM etc. not fatal in any case |
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187 pass |
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188 |
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189 return _hashlist(pycompat.maplist(trystat, paths))[:12] |
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190 |
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191 |
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192 class hashstate(object): |
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193 """a structure storing confighash, mtimehash, paths used for mtimehash""" |
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194 |
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195 def __init__(self, confighash, mtimehash, mtimepaths): |
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196 self.confighash = confighash |
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197 self.mtimehash = mtimehash |
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198 self.mtimepaths = mtimepaths |
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199 |
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200 @staticmethod |
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201 def fromui(ui, mtimepaths=None): |
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202 if mtimepaths is None: |
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203 mtimepaths = _getmtimepaths(ui) |
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204 confighash = _confighash(ui) |
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205 mtimehash = _mtimehash(mtimepaths) |
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206 ui.log( |
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207 b'cmdserver', |
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208 b'confighash = %s mtimehash = %s\n', |
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209 confighash, |
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210 mtimehash, |
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211 ) |
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212 return hashstate(confighash, mtimehash, mtimepaths) |
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213 |
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214 |
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215 def _newchgui(srcui, csystem, attachio): |
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216 class chgui(srcui.__class__): |
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217 def __init__(self, src=None): |
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218 super(chgui, self).__init__(src) |
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219 if src: |
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220 self._csystem = getattr(src, '_csystem', csystem) |
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221 else: |
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222 self._csystem = csystem |
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223 |
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224 def _runsystem(self, cmd, environ, cwd, out): |
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225 # fallback to the original system method if |
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226 # a. the output stream is not stdout (e.g. stderr, cStringIO), |
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227 # b. or stdout is redirected by protectfinout(), |
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228 # because the chg client is not aware of these situations and |
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229 # will behave differently (i.e. write to stdout). |
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230 if ( |
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231 out is not self.fout |
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232 or not util.safehasattr(self.fout, b'fileno') |
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233 or self.fout.fileno() != procutil.stdout.fileno() |
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234 or self._finoutredirected |
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235 ): |
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236 return procutil.system(cmd, environ=environ, cwd=cwd, out=out) |
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237 self.flush() |
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238 return self._csystem(cmd, procutil.shellenviron(environ), cwd) |
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239 |
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240 def _runpager(self, cmd, env=None): |
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241 self._csystem( |
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242 cmd, |
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243 procutil.shellenviron(env), |
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244 type=b'pager', |
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245 cmdtable={b'attachio': attachio}, |
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246 ) |
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247 return True |
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248 |
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249 return chgui(srcui) |
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250 |
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251 |
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252 def _loadnewui(srcui, args, cdebug): |
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253 from . import dispatch # avoid cycle |
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254 |
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255 newui = srcui.__class__.load() |
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256 for a in [b'fin', b'fout', b'ferr', b'environ']: |
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257 setattr(newui, a, getattr(srcui, a)) |
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258 if util.safehasattr(srcui, b'_csystem'): |
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259 newui._csystem = srcui._csystem |
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260 |
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261 # command line args |
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262 options = dispatch._earlyparseopts(newui, args) |
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263 dispatch._parseconfig(newui, options[b'config']) |
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264 |
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265 # stolen from tortoisehg.util.copydynamicconfig() |
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266 for section, name, value in srcui.walkconfig(): |
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267 source = srcui.configsource(section, name) |
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268 if b':' in source or source == b'--config' or source.startswith(b'$'): |
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269 # path:line or command line, or environ |
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270 continue |
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271 newui.setconfig(section, name, value, source) |
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272 |
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273 # load wd and repo config, copied from dispatch.py |
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274 cwd = options[b'cwd'] |
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275 cwd = cwd and os.path.realpath(cwd) or None |
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276 rpath = options[b'repository'] |
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277 path, newlui = dispatch._getlocal(newui, rpath, wd=cwd) |
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278 |
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279 extensions.populateui(newui) |
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280 commandserver.setuplogging(newui, fp=cdebug) |
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281 if newui is not newlui: |
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282 extensions.populateui(newlui) |
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283 commandserver.setuplogging(newlui, fp=cdebug) |
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284 |
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285 return (newui, newlui) |
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286 |
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287 |
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288 class channeledsystem(object): |
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289 """Propagate ui.system() request in the following format: |
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290 |
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291 payload length (unsigned int), |
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292 type, '\0', |
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293 cmd, '\0', |
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294 cwd, '\0', |
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295 envkey, '=', val, '\0', |
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296 ... |
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297 envkey, '=', val |
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298 |
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299 if type == 'system', waits for: |
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300 |
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301 exitcode length (unsigned int), |
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302 exitcode (int) |
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303 |
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304 if type == 'pager', repetitively waits for a command name ending with '\n' |
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305 and executes it defined by cmdtable, or exits the loop if the command name |
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306 is empty. |
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307 """ |
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308 |
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309 def __init__(self, in_, out, channel): |
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310 self.in_ = in_ |
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311 self.out = out |
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312 self.channel = channel |
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313 |
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314 def __call__(self, cmd, environ, cwd=None, type=b'system', cmdtable=None): |
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315 args = [type, procutil.quotecommand(cmd), os.path.abspath(cwd or b'.')] |
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316 args.extend(b'%s=%s' % (k, v) for k, v in environ.iteritems()) |
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317 data = b'\0'.join(args) |
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318 self.out.write(struct.pack(b'>cI', self.channel, len(data))) |
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319 self.out.write(data) |
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320 self.out.flush() |
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321 |
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322 if type == b'system': |
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323 length = self.in_.read(4) |
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324 (length,) = struct.unpack(b'>I', length) |
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325 if length != 4: |
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326 raise error.Abort(_(b'invalid response')) |
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327 (rc,) = struct.unpack(b'>i', self.in_.read(4)) |
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328 return rc |
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329 elif type == b'pager': |
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330 while True: |
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331 cmd = self.in_.readline()[:-1] |
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332 if not cmd: |
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333 break |
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334 if cmdtable and cmd in cmdtable: |
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335 cmdtable[cmd]() |
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336 else: |
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337 raise error.Abort(_(b'unexpected command: %s') % cmd) |
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338 else: |
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339 raise error.ProgrammingError(b'invalid S channel type: %s' % type) |
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340 |
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341 |
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342 _iochannels = [ |
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343 # server.ch, ui.fp, mode |
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344 (b'cin', b'fin', r'rb'), |
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345 (b'cout', b'fout', r'wb'), |
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346 (b'cerr', b'ferr', r'wb'), |
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347 ] |
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348 |
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349 |
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350 class chgcmdserver(commandserver.server): |
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351 def __init__( |
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352 self, ui, repo, fin, fout, sock, prereposetups, hashstate, baseaddress |
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353 ): |
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354 super(chgcmdserver, self).__init__( |
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355 _newchgui(ui, channeledsystem(fin, fout, b'S'), self.attachio), |
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356 repo, |
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357 fin, |
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358 fout, |
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359 prereposetups, |
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360 ) |
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361 self.clientsock = sock |
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362 self._ioattached = False |
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363 self._oldios = [] # original (self.ch, ui.fp, fd) before "attachio" |
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364 self.hashstate = hashstate |
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365 self.baseaddress = baseaddress |
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366 if hashstate is not None: |
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367 self.capabilities = self.capabilities.copy() |
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368 self.capabilities[b'validate'] = chgcmdserver.validate |
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369 |
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370 def cleanup(self): |
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371 super(chgcmdserver, self).cleanup() |
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372 # dispatch._runcatch() does not flush outputs if exception is not |
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373 # handled by dispatch._dispatch() |
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374 self.ui.flush() |
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375 self._restoreio() |
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376 self._ioattached = False |
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377 |
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378 def attachio(self): |
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379 """Attach to client's stdio passed via unix domain socket; all |
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380 channels except cresult will no longer be used |
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381 """ |
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382 # tell client to sendmsg() with 1-byte payload, which makes it |
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383 # distinctive from "attachio\n" command consumed by client.read() |
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384 self.clientsock.sendall(struct.pack(b'>cI', b'I', 1)) |
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385 clientfds = util.recvfds(self.clientsock.fileno()) |
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386 self.ui.log(b'chgserver', b'received fds: %r\n', clientfds) |
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387 |
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388 ui = self.ui |
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389 ui.flush() |
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390 self._saveio() |
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391 for fd, (cn, fn, mode) in zip(clientfds, _iochannels): |
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392 assert fd > 0 |
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393 fp = getattr(ui, fn) |
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394 os.dup2(fd, fp.fileno()) |
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395 os.close(fd) |
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396 if self._ioattached: |
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397 continue |
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398 # reset buffering mode when client is first attached. as we want |
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399 # to see output immediately on pager, the mode stays unchanged |
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400 # when client re-attached. ferr is unchanged because it should |
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401 # be unbuffered no matter if it is a tty or not. |
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402 if fn == b'ferr': |
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403 newfp = fp |
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404 else: |
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405 # make it line buffered explicitly because the default is |
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406 # decided on first write(), where fout could be a pager. |
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407 if fp.isatty(): |
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408 bufsize = 1 # line buffered |
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409 else: |
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410 bufsize = -1 # system default |
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411 newfp = os.fdopen(fp.fileno(), mode, bufsize) |
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412 setattr(ui, fn, newfp) |
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413 setattr(self, cn, newfp) |
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414 |
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415 self._ioattached = True |
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416 self.cresult.write(struct.pack(b'>i', len(clientfds))) |
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417 |
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418 def _saveio(self): |
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419 if self._oldios: |
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420 return |
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421 ui = self.ui |
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422 for cn, fn, _mode in _iochannels: |
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423 ch = getattr(self, cn) |
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424 fp = getattr(ui, fn) |
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425 fd = os.dup(fp.fileno()) |
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426 self._oldios.append((ch, fp, fd)) |
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427 |
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428 def _restoreio(self): |
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429 ui = self.ui |
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430 for (ch, fp, fd), (cn, fn, _mode) in zip(self._oldios, _iochannels): |
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431 newfp = getattr(ui, fn) |
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432 # close newfp while it's associated with client; otherwise it |
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433 # would be closed when newfp is deleted |
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434 if newfp is not fp: |
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435 newfp.close() |
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436 # restore original fd: fp is open again |
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437 os.dup2(fd, fp.fileno()) |
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438 os.close(fd) |
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439 setattr(self, cn, ch) |
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440 setattr(ui, fn, fp) |
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441 del self._oldios[:] |
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442 |
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443 def validate(self): |
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444 """Reload the config and check if the server is up to date |
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445 |
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446 Read a list of '\0' separated arguments. |
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447 Write a non-empty list of '\0' separated instruction strings or '\0' |
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448 if the list is empty. |
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449 An instruction string could be either: |
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450 - "unlink $path", the client should unlink the path to stop the |
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451 outdated server. |
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452 - "redirect $path", the client should attempt to connect to $path |
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453 first. If it does not work, start a new server. It implies |
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454 "reconnect". |
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455 - "exit $n", the client should exit directly with code n. |
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456 This may happen if we cannot parse the config. |
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457 - "reconnect", the client should close the connection and |
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458 reconnect. |
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459 If neither "reconnect" nor "redirect" is included in the instruction |
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460 list, the client can continue with this server after completing all |
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461 the instructions. |
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462 """ |
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463 from . import dispatch # avoid cycle |
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464 |
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465 args = self._readlist() |
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466 try: |
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467 self.ui, lui = _loadnewui(self.ui, args, self.cdebug) |
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468 except error.ParseError as inst: |
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469 dispatch._formatparse(self.ui.warn, inst) |
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470 self.ui.flush() |
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471 self.cresult.write(b'exit 255') |
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472 return |
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473 except error.Abort as inst: |
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474 self.ui.error(_(b"abort: %s\n") % inst) |
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475 if inst.hint: |
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476 self.ui.error(_(b"(%s)\n") % inst.hint) |
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477 self.ui.flush() |
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478 self.cresult.write(b'exit 255') |
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479 return |
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480 newhash = hashstate.fromui(lui, self.hashstate.mtimepaths) |
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481 insts = [] |
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482 if newhash.mtimehash != self.hashstate.mtimehash: |
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483 addr = _hashaddress(self.baseaddress, self.hashstate.confighash) |
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484 insts.append(b'unlink %s' % addr) |
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485 # mtimehash is empty if one or more extensions fail to load. |
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486 # to be compatible with hg, still serve the client this time. |
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487 if self.hashstate.mtimehash: |
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488 insts.append(b'reconnect') |
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489 if newhash.confighash != self.hashstate.confighash: |
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490 addr = _hashaddress(self.baseaddress, newhash.confighash) |
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491 insts.append(b'redirect %s' % addr) |
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492 self.ui.log(b'chgserver', b'validate: %s\n', stringutil.pprint(insts)) |
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493 self.cresult.write(b'\0'.join(insts) or b'\0') |
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494 |
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495 def chdir(self): |
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496 """Change current directory |
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497 |
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498 Note that the behavior of --cwd option is bit different from this. |
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499 It does not affect --config parameter. |
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500 """ |
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501 path = self._readstr() |
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502 if not path: |
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503 return |
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504 self.ui.log(b'chgserver', b'chdir to %r\n', path) |
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505 os.chdir(path) |
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506 |
28159 | 507 def setumask(self): |
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508 """Change umask (DEPRECATED)""" |
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509 # BUG: this does not follow the message frame structure, but kept for |
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510 # backward compatibility with old chg clients for some time |
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511 self._setumask(self._read(4)) |
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512 |
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513 def setumask2(self): |
28159 | 514 """Change umask""" |
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515 data = self._readstr() |
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516 if len(data) != 4: |
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517 raise ValueError(b'invalid mask length in setumask2 request') |
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518 self._setumask(data) |
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519 |
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520 def _setumask(self, data): |
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521 mask = struct.unpack(b'>I', data)[0] |
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522 self.ui.log(b'chgserver', b'setumask %r\n', mask) |
28159 | 523 os.umask(mask) |
524 | |
30644 | 525 def runcommand(self): |
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526 # pager may be attached within the runcommand session, which should |
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527 # be detached at the end of the session. otherwise the pager wouldn't |
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528 # receive EOF. |
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529 globaloldios = self._oldios |
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530 self._oldios = [] |
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531 try: |
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532 return super(chgcmdserver, self).runcommand() |
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533 finally: |
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534 self._restoreio() |
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535 self._oldios = globaloldios |
30644 | 536 |
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537 def setenv(self): |
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538 """Clear and update os.environ |
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539 |
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540 Note that not all variables can make an effect on the running process. |
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541 """ |
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542 l = self._readlist() |
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543 try: |
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544 newenv = dict(s.split(b'=', 1) for s in l) |
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545 except ValueError: |
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546 raise ValueError(b'unexpected value in setenv request') |
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547 self.ui.log(b'chgserver', b'setenv: %r\n', sorted(newenv.keys())) |
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548 encoding.environ.clear() |
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549 encoding.environ.update(newenv) |
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550 |
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551 capabilities = commandserver.server.capabilities.copy() |
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552 capabilities.update( |
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553 { |
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554 b'attachio': attachio, |
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555 b'chdir': chdir, |
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556 b'runcommand': runcommand, |
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557 b'setenv': setenv, |
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558 b'setumask': setumask, |
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559 b'setumask2': setumask2, |
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560 } |
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561 ) |
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562 |
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563 if util.safehasattr(procutil, b'setprocname'): |
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564 |
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565 def setprocname(self): |
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566 """Change process title""" |
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567 name = self._readstr() |
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568 self.ui.log(b'chgserver', b'setprocname: %r\n', name) |
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569 procutil.setprocname(name) |
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570 |
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571 capabilities[b'setprocname'] = setprocname |
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572 |
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573 |
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574 def _tempaddress(address): |
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575 return b'%s.%d.tmp' % (address, os.getpid()) |
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576 |
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577 |
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578 def _hashaddress(address, hashstr): |
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579 # if the basename of address contains '.', use only the left part. this |
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580 # makes it possible for the client to pass 'server.tmp$PID' and follow by |
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581 # an atomic rename to avoid locking when spawning new servers. |
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582 dirname, basename = os.path.split(address) |
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583 basename = basename.split(b'.', 1)[0] |
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584 return b'%s-%s' % (os.path.join(dirname, basename), hashstr) |
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585 |
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586 |
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587 class chgunixservicehandler(object): |
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588 """Set of operations for chg services""" |
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589 |
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590 pollinterval = 1 # [sec] |
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591 |
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592 def __init__(self, ui): |
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593 self.ui = ui |
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594 self._idletimeout = ui.configint(b'chgserver', b'idletimeout') |
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595 self._lastactive = time.time() |
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596 |
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597 def bindsocket(self, sock, address): |
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598 self._inithashstate(address) |
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599 self._checkextensions() |
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600 self._bind(sock) |
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601 self._createsymlink() |
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602 # no "listening at" message should be printed to simulate hg behavior |
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603 |
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604 def _inithashstate(self, address): |
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605 self._baseaddress = address |
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606 if self.ui.configbool(b'chgserver', b'skiphash'): |
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607 self._hashstate = None |
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608 self._realaddress = address |
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609 return |
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610 self._hashstate = hashstate.fromui(self.ui) |
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611 self._realaddress = _hashaddress(address, self._hashstate.confighash) |
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612 |
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613 def _checkextensions(self): |
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614 if not self._hashstate: |
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615 return |
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616 if extensions.notloaded(): |
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617 # one or more extensions failed to load. mtimehash becomes |
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618 # meaningless because we do not know the paths of those extensions. |
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619 # set mtimehash to an illegal hash value to invalidate the server. |
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620 self._hashstate.mtimehash = b'' |
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621 |
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622 def _bind(self, sock): |
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623 # use a unique temp address so we can stat the file and do ownership |
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624 # check later |
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625 tempaddress = _tempaddress(self._realaddress) |
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626 util.bindunixsocket(sock, tempaddress) |
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627 self._socketstat = os.stat(tempaddress) |
32236
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commandserver: move "listen" responsibility from service to handler
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628 sock.listen(socket.SOMAXCONN) |
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629 # rename will replace the old socket file if exists atomically. the |
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630 # old server will detect ownership change and exit. |
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631 util.rename(tempaddress, self._realaddress) |
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632 |
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633 def _createsymlink(self): |
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634 if self._baseaddress == self._realaddress: |
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635 return |
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636 tempaddress = _tempaddress(self._baseaddress) |
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637 os.symlink(os.path.basename(self._realaddress), tempaddress) |
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638 util.rename(tempaddress, self._baseaddress) |
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639 |
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640 def _issocketowner(self): |
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641 try: |
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642 st = os.stat(self._realaddress) |
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643 return ( |
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644 st.st_ino == self._socketstat.st_ino |
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645 and st[stat.ST_MTIME] == self._socketstat[stat.ST_MTIME] |
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646 ) |
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647 except OSError: |
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648 return False |
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649 |
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650 def unlinksocket(self, address): |
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651 if not self._issocketowner(): |
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652 return |
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653 # it is possible to have a race condition here that we may |
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654 # remove another server's socket file. but that's okay |
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655 # since that server will detect and exit automatically and |
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656 # the client will start a new server on demand. |
31545 | 657 util.tryunlink(self._realaddress) |
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658 |
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659 def shouldexit(self): |
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660 if not self._issocketowner(): |
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661 self.ui.log( |
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662 b'chgserver', b'%s is not owned, exiting.\n', self._realaddress |
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663 ) |
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664 return True |
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665 if time.time() - self._lastactive > self._idletimeout: |
40828
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|
666 self.ui.log(b'chgserver', b'being idle too long. exiting.\n') |
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667 return True |
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668 return False |
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669 |
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670 def newconnection(self): |
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671 self._lastactive = time.time() |
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|
672 |
40875
e7110f44ee2d
commandserver: pass around option to hook repo instance creation
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|
673 def createcmdserver(self, repo, conn, fin, fout, prereposetups): |
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674 return chgcmdserver( |
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675 self.ui, |
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676 repo, |
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677 fin, |
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678 fout, |
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679 conn, |
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680 prereposetups, |
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681 self._hashstate, |
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682 self._baseaddress, |
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683 ) |
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684 |
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|
685 |
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|
686 def chgunixservice(ui, repo, opts): |
33860
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|
687 # CHGINTERNALMARK is set by chg client. It is an indication of things are |
3cfc9070245f
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688 # started by chg so other code can do things accordingly, like disabling |
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|
689 # demandimport or detecting chg client started by chg client. When executed |
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690 # here, CHGINTERNALMARK is no longer useful and hence dropped to make |
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691 # environ cleaner. |
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692 if b'CHGINTERNALMARK' in encoding.environ: |
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|
693 del encoding.environ[b'CHGINTERNALMARK'] |
30511
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|
694 |
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|
695 if repo: |
30332
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spelling: fixes of non-dictionary words
Mads Kiilerich <madski@unity3d.com>
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29841
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changeset
|
696 # one chgserver can serve multiple repos. drop repo information |
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|
697 ui.setconfig(b'bundle', b'mainreporoot', b'', b'repo') |
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698 h = chgunixservicehandler(ui) |
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|
699 return commandserver.unixforkingservice(ui, repo=None, opts=opts, handler=h) |