annotate MoinMoin/server/standalone.py @ 15:5a2a8201bb6f

make moin friendlier to proxies, thanks to ASF imported from: moin--main--1.5--patch-16
author Thomas Waldmann <tw@waldmann-edv.de>
date Fri, 23 Sep 2005 20:02:07 +0000
parents 77665d8e2254
children 2202f548cbb0
rev   line source
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1 # -*- coding: iso-8859-1 -*-
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2 """
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3 MoinMoin - Stand-alone HTTP Server
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4
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5 This is a simple, fast and very easy to install server. Its
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6 recommended for personal wikis or public wikis with little load.
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7
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8 It is not well tested in public wikis with heavy load. In these case
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9 you might want to use twisted, fast cgi or mod python, or if you
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10 can't use those, cgi.
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11
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12 Minimal usage:
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13
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14 from MoinMoin.server.standalone import StandaloneConfig, run
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15
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16 class Config(StandaloneConfig):
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17 docs = '/usr/share/moin/wiki/htdocs'
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18 user = 'www-data'
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19 group = 'www-data'
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20
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21 run(Config)
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22
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23 See more options in StandaloneConfig class.
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24
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25 For security, the server will not run as root. If you try to run it
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26 as root, it will run as the user and group in the config. If you run
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27 it as a normal user, it will run with your regular user and group.
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28
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29 Significant contributions to this module by R. Church <rc@ghostbitch.org>
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30
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31 @copyright: 2001-2004 MoinMoin:JürgenHermann
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32 @copyright: 2005 MoinMoin:AlexanderSchremmer
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33 @copyright: 2005 MoinMoin:NirSoffer
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34 @license: GNU GPL, see COPYING for details.
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35 """
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36
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37 # Imports
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38 import os, sys, time, urllib, socket, errno, shutil
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39 import BaseHTTPServer, SimpleHTTPServer, SocketServer
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40
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41 # MoinMoin imports
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42 from MoinMoin import version
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43 from MoinMoin.server import Config, switchUID
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44 from MoinMoin.request import RequestStandAlone
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45 from MoinMoin.util.datetime import formathttpdate
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46
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47 # Server globals
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48 httpd = None
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49 config = None
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50
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51
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52 class SimpleServer(BaseHTTPServer.HTTPServer):
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53 """ Simplest server, serving one request after another
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54
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55 This server is good for personal wiki, or when lowest memory
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56 footprint is needed.
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57 """
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58 use_threads = False
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59
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60 def __init__(self, config):
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61 self.htdocs = config.docs
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62 self.request_queue_size = config.requestQueueSize
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63 self._abort = 0
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64 address = (config.interface, config.port)
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65 BaseHTTPServer.HTTPServer.__init__(self, address, MoinRequestHandler)
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66
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67 def server_activate(self):
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68 BaseHTTPServer.HTTPServer.server_activate(self)
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69 sys.stderr.write("Serving on %s:%d\n" % self.server_address)
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70
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71 def serve_forever(self):
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72 """Handle one request at a time until we die """
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73 while not self._abort:
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74 self.handle_request()
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75
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76 def die(self):
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77 """Abort this server instance's serving loop """
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78 # Close hotshot profiler
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79 if config.hotshotProfile:
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80 config.hotshotProfile.close()
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81
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82 # Set abort flag, then make request to wake the server
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83 self._abort = 1
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84 try:
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85 import httplib
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86 req = httplib.HTTP('%s:%d' % self.server_address)
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87 req.connect()
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88 req.putrequest('DIE', '/')
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89 req.endheaders()
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90 del req
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91 except socket.error, err:
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92 # Ignore certain errors
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93 if err.args[0] not in [errno.EADDRNOTAVAIL,]:
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94 raise
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95
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96
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97 class ThreadingServer(SimpleServer):
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98 """ Serve each request in a new thread
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99
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100 This server is used since release 1.3 and seems to work nice with
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101 little load.
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102
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103 From release 1.3.5 there is a thread limit, that should help to
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104 limit the load on the server.
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105 """
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106 use_threads = True
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107
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108 def __init__(self, config):
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109 self.thread_limit = config.threadLimit
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110 from threading import Condition
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111 self.lock = Condition()
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112 SimpleServer.__init__(self, config)
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113
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114 def process_request(self, request, client_address):
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115 """ Start a new thread to process the request
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116
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117 If the thread limit has been reached, wait on the lock. The
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118 next thread will notify when finished.
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119 """
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120 from threading import Thread, activeCount
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121 self.lock.acquire()
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122 try:
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123 if activeCount() > self.thread_limit:
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124 self.lock.wait()
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125 if self._abort:
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126 return
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127 t = Thread(target=self.process_request_thread,
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128 args=(request, client_address))
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129 t.start()
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130 finally:
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131 self.lock.release()
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132
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133 def process_request_thread(self, request, client_address):
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134 """ Called for each request on a new thread
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135
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136 Notify the main thread on the end of each request.
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137 """
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138 try:
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139 self.finish_request(request, client_address)
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140 except:
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141 self.handle_error(request, client_address)
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142 self.close_request(request)
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143 self.lock.acquire()
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144 try:
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145 # Main thread might be waiting
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146 self.lock.notify()
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147 finally:
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148 self.lock.release()
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149
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150
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151 class ThreadPoolServer(SimpleServer):
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152 """ Threading server using a pool of threads
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153
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154 This is a new experimental server, using a pool of threads instead
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155 of creating new thread for each request. This is similar to Apache
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156 worker mpm, with a simpler constant thread pool.
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157
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158 This server is 5 times faster than ThreadingServer for static
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159 files, and about the same for wiki pages.
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160
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161 TODO: sometimes the server won't exit on Conrol-C, and continue to
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162 run with few threads (you can kill it with kill -9). Same problem
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163 exist with the twisted server. When the problem is finally solved,
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164 remove the commented debug prints.
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165 """
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166 use_threads = True
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167
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168 def __init__(self, config):
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169 self.queue = []
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170 # The size of the queue need more testing
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171 self.queueSize = config.threadLimit * 2
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172 self.poolSize = config.threadLimit
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173 from threading import Condition
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174 self.lock = Condition()
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175 SimpleServer.__init__(self, config)
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176
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177 def serve_forever(self):
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178 """ Create a thread pool then invoke base class method """
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179 from threading import Thread
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180 for i in range(self.poolSize):
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181 t = Thread(target=self.serve_forever_thread)
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182 t.start()
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183 SimpleServer.serve_forever(self)
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184
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185 def process_request(self, request, client_address):
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186 """ Called for each request
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187
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188 Insert the request into the queue. If the queue is full, wait
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189 until one of the request threads pop a request. During the wait,
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190 new connections might be dropped.
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191 """
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192 self.lock.acquire()
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193 try:
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194 if len(self.queue) >= self.queueSize:
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195 self.lock.wait()
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196 if self._abort:
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197 return
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198 self.queue.insert(0, (request, client_address))
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199 self.lock.notify()
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200 finally:
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201 self.lock.release()
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202
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203 def serve_forever_thread(self):
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204 """ The main loop of request threads
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205
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206 Pop a request from the queue and process it.
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207 """
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208 while not self._abort:
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209 request, client_address = self.pop_request()
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210 try:
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211 self.finish_request(request, client_address)
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212 except:
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213 self.handle_error(request, client_address)
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214 self.close_request(request)
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215 # sys.stderr.write('thread exiting...\n')
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216
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217 def pop_request(self):
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218 """ Pop a request from the queue
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219
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220 If the queue is empty, wait for notification. If the queue was
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221 full, notify the main thread which may be waiting.
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222 """
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223 self.lock.acquire()
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224 try:
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225 while not self._abort:
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226 try:
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227 item = self.queue.pop()
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228 if len(self.queue) == self.queueSize - 1:
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229 # Queue was full - main thread might be waiting
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230 self.lock.notify()
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231 return item
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232 except IndexError:
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233 self.lock.wait()
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234 finally:
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235 self.lock.release()
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236 # sys.stderr.write('thread exiting...\n')
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237 sys.exit()
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238
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239 def die(self):
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240 """ Wake all threads then invoke base class die
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241
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242 Threads should exist when _abort is True.
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243 """
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244 self._abort = True
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245 self.wake_all_threads()
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246 time.sleep(0.1)
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247 SimpleServer.die(self)
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248
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249 def wake_all_threads(self):
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250 self.lock.acquire()
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parents:
diff changeset
251 try:
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parents:
diff changeset
252 # sys.stderr.write('waking up all threads...\n')
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parents:
diff changeset
253 self.lock.notifyAll()
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parents:
diff changeset
254 finally:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
255 self.lock.release()
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
256
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
257
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parents:
diff changeset
258 class ForkingServer(SocketServer.ForkingMixIn, SimpleServer):
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259 """ Serve each request in a new process
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parents:
diff changeset
260
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diff changeset
261 This is new untested server, first tests show rather pathetic cgi
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parents:
diff changeset
262 like performance. No data is cached between requests.
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parents:
diff changeset
263
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
264 The mixin has its own process limit.
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parents:
diff changeset
265 """
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diff changeset
266 max_children = 10
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
267
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
268
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diff changeset
269 class MoinRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
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parents:
diff changeset
270
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parents:
diff changeset
271 bufferSize = 8 * 1024 # used to server static files
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parents:
diff changeset
272 staticExpire = 7 * 24 * 3600 # 1 week
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parents:
diff changeset
273
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diff changeset
274 def __init__(self, request, client_address, server):
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diff changeset
275 self.server_version = "MoinMoin %s %s" % (version.revision,
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parents:
diff changeset
276 server.__class__.__name__)
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diff changeset
277 self.expires = 0
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parents:
diff changeset
278 SimpleHTTPServer.SimpleHTTPRequestHandler.__init__(self, request,
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
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parents:
diff changeset
279 client_address, server)
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parents:
diff changeset
280
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diff changeset
281 # -------------------------------------------------------------------
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diff changeset
282 # do_METHOD dispatchers - called for each request
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parents:
diff changeset
283
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parents:
diff changeset
284 def do_DIE(self):
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parents:
diff changeset
285 if self.server._abort:
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diff changeset
286 self.log_error("Shutting down")
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parents:
diff changeset
287
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diff changeset
288 def do_POST(self):
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diff changeset
289 self.serve_moin()
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parents:
diff changeset
290
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diff changeset
291 def do_GET(self):
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292 """ Handle GET requests
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
293
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Thomas Waldmann <tw-public@gmx.de>
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diff changeset
294 Separate between wiki pages and css and image url by similar
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parents:
diff changeset
295 system as cgi and twisted, the '/wiki/' url prefix.
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parents:
diff changeset
296
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diff changeset
297 TODO: should use request.cfg.url_prefix - and not a constant but
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parents:
diff changeset
298 request is not available at this time. Should be fixed by
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parents:
diff changeset
299 loading config earlier.
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
300 """
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
301 if self.path.startswith('/wiki/'):
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
302 self.path = self.path[5:]
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
303 self.serve_static_file()
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
304 elif self.path in ['/favicon.ico', '/robots.txt']:
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
305 self.serve_static_file()
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
306 else:
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
307 self.serve_moin()
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parents:
diff changeset
308
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
309 # -------------------------------------------------------------------
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parents:
diff changeset
310 # Serve methods
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
311
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
312 def serve_static_file(self):
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
313 """ Serve files from the htdocs directory """
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
314 # 1 week expiry for static files
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
315 self.expires = self.staticExpire
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
316 path = self.path.split("?", 1)
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
317 if len(path) > 1:
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
318 self.path = path[0]
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
319 # XXXXXX params
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
320
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
321 try:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
322 SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
323 except socket.error, err:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
324 # Ignore certain errors
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
325 if err.args[0] not in [errno.EPIPE, errno.ECONNABORTED]:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
326 raise
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
327
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
328 def serve_moin(self):
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
329 """ Serve a request using moin """
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
330 # don't make an Expires header for wiki pages
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
331 self.expires = 0
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
332
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
333 try:
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
334 req = RequestStandAlone(self, properties=config.properties)
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
335 req.run()
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
336 except socket.error, err:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
337 # Ignore certain errors
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
338 if err.args[0] not in [errno.EPIPE, errno.ECONNABORTED]:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
339 raise
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
340
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
341 def translate_path(self, uri):
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
342 """ Translate a /-separated PATH to the local filename syntax.
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
343
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
344 Components that mean special things to the local file system
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
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parents:
diff changeset
345 (e.g. drive or directory names) are ignored.
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
346 """
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
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parents:
diff changeset
347 file = urllib.unquote(uri)
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
348 file.replace('\\', '/')
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
349 words = file.split('/')
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
350 words = filter(None, words)
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
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parents:
diff changeset
351
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
352 path = self.server.htdocs
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
353 bad_uri = 0
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
354 for word in words:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
355 drive, word = os.path.splitdrive(word)
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
356 if drive:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
357 bad_uri = 1
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
358 head, word = os.path.split(word)
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
359 if word in (os.curdir, os.pardir):
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
360 bad_uri = 1
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
361 continue
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
362 path = os.path.join(path, word)
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
363
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
364 if bad_uri:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
365 self.log_error("Detected bad request URI '%s', translated to '%s'"
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
366 % (uri, path,))
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
367 return path
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
368
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
369 def end_headers(self):
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Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
370 """overload the default end_headers, inserting expires header"""
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
371 if self.expires:
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
372 now = time.time()
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
373 expires = now + self.expires
15
5a2a8201bb6f make moin friendlier to proxies, thanks to ASF
Thomas Waldmann <tw@waldmann-edv.de>
parents: 0
diff changeset
374 self.send_header('Expires', formathttpdate(expires))
0
77665d8e2254 tag of nonpublic@localhost--archive/moin--enterprise--1.5--base-0
Thomas Waldmann <tw-public@gmx.de>
parents:
diff changeset
375 SimpleHTTPServer.SimpleHTTPRequestHandler.end_headers(self)
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376
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377 def copyfile(self, source, outputfile):
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378 """Copy all data between two file objects.
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379
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380 Modify the base class method to change the buffer size. Test
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381 show that for the typical static files we serve, 8K buffer is
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382 faster than the default 16K buffer.
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383 """
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384 shutil.copyfileobj(source, outputfile, length=self.bufferSize)
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385
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386
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387 def memoryProfileDecorator(func, profile):
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388 """ Return a profiled function """
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389 def profiledFunction(*args, **kw):
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390 profile.addRequest()
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391 return func(*args, **kw)
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392 return profiledFunction
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393
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394
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395 def hotshotProfileDecorator(func, profile):
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396 """ Return a profiled function """
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397 profile.moin_requests_done = 0
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398 def profiledFunction(*args, **kw):
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399 profile.moin_requests_done += 1
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400 if profile.moin_requests_done == 1:
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401 # Don't profile first request, its not interesting
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402 return func(*args, **kw)
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403 return profile.runcall(func, *args, **kw)
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404
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405 return profiledFunction
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406
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407
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408 def quit(signo, stackframe):
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409 """ Signal handler for aborting signals """
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410 global httpd
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411 print "\nThanks for using MoinMoin!"
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412 if httpd:
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413 httpd.die()
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414
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415
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416 def registerSignalHandlers(func):
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417 """ Register signal handlers on platforms that support it """
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418 try:
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419 import signal
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420 signal.signal(signal.SIGABRT, func)
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421 signal.signal(signal.SIGINT, func)
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422 signal.signal(signal.SIGTERM, func)
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423 except ImportError:
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424 pass
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425
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426
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427 def makeServer(config):
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428 """ Create a new server, based on the the platform capabilities
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429
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430 Try to create the server class specified in the config. If threads
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431 are not available, fallback to ForkingServer. If fork is not
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432 available, fallback to a SimpleServer.
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433 """
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434 serverClass = globals()[config.serverClass]
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435 if serverClass.use_threads:
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436 try:
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437 import threading
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438 except ImportError:
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439 serverClass = ForkingServer
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440 if serverClass is ForkingServer and not hasattr(os, "fork"):
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441 serverClass = SimpleServer
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442 if serverClass.__name__ != config.serverClass:
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443 sys.stderr.write('%s is not available on this platform, falling back '
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444 'to %s\n' % (config.serverClass,
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445 serverClass.__name__))
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446
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447 from MoinMoin import config as _config
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448 _config.use_threads = serverClass.use_threads
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449 return serverClass(config)
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450
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451 # ------------------------------------------------------------------------
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452 # Public interface
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453
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454 class StandaloneConfig(Config):
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455 """ Standalone server default config """
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456
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457 name = 'moin'
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458 properties = {}
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459 docs = '/usr/share/moin/htdocs'
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460 user = 'www-data'
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461 group = 'www-data'
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462 port = 8000
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463 interface = 'localhost'
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464 logPath = None
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465
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466 # Advanced options
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467 serverClass = 'ThreadPoolServer'
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468 threadLimit = 10
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469 # The size of the listen backlog. Twisted uses a default of 50.
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470 # Tests on Mac OS X show many failed request with backlog of 5 or 10.
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471 requestQueueSize = 50
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472
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473 # Development options
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474 memoryProfile = None
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475 hotshotProfile = None
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diff changeset
476
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diff changeset
477
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478 def run(configClass):
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479 """ Create and run a moin server
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480
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481 See StandaloneConfig for available options
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482
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483 @param configClass: config class
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484 """
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485 # Run only once!
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diff changeset
486 global httpd, config
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487 if httpd is not None:
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488 raise RuntimeError("You can run only one server per process!")
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diff changeset
489
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490 config = configClass()
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diff changeset
491
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492 # Install hotshot profiled serve_moin method. To compare with other
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493 # servers, we profile the part that create and run the request.
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494 if config.hotshotProfile:
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495 import hotshot
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496 config.hotshotProfile = hotshot.Profile(config.hotshotProfile)
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497 MoinRequestHandler.serve_moin = hotshotProfileDecorator(
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498 MoinRequestHandler.serve_moin, config.hotshotProfile)
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diff changeset
499
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500 # Install a memory profiled serve_moin method
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diff changeset
501 if config.memoryProfile:
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502 config.memoryProfile.sample()
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503 MoinRequestHandler.serve_moin = memoryProfileDecorator(
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504 MoinRequestHandler.serve_moin, config.memoryProfile)
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505
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506 if config.logPath:
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507 sys.stderr = file(config.logPath, 'at')
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508 registerSignalHandlers(quit)
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509 httpd = makeServer(config)
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510
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511 # Run as a safe user (posix only)
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512 if os.name == 'posix' and os.getuid() == 0:
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513 switchUID(config.uid, config.gid)
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514
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515 httpd.serve_forever()
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516