Mercurial > hg
annotate mercurial/keepalive.py @ 40033:5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
We also bubble the byte count up to the HTTPConnection instance and its
parent opener at read time. Unlike sending, there isn't a clear
"end of response" signal we can intercept to defer updating the
accounting.
Differential Revision: https://phab.mercurial-scm.org/D4857
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 01 Oct 2018 12:30:32 -0700 |
parents | dc82ad1b7f77 |
children | 6509fcec830c |
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1 # This library is free software; you can redistribute it and/or |
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2 # modify it under the terms of the GNU Lesser General Public |
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3 # License as published by the Free Software Foundation; either |
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4 # version 2.1 of the License, or (at your option) any later version. |
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5 # |
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6 # This library is distributed in the hope that it will be useful, |
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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9 # Lesser General Public License for more details. |
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10 # |
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11 # You should have received a copy of the GNU Lesser General Public |
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12 # License along with this library; if not, see |
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13 # <http://www.gnu.org/licenses/>. |
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14 |
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15 # This file is part of urlgrabber, a high-level cross-protocol url-grabber |
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16 # Copyright 2002-2004 Michael D. Stenner, Ryan Tomayko |
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17 |
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18 # Modified by Benoit Boissinot: |
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19 # - fix for digest auth (inspired from urllib2.py @ Python v2.4) |
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20 # Modified by Dirkjan Ochtman: |
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21 # - import md5 function from a local util module |
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22 # Modified by Augie Fackler: |
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23 # - add safesend method and use it to prevent broken pipe errors |
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24 # on large POST requests |
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25 |
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26 """An HTTP handler for urllib2 that supports HTTP 1.1 and keepalive. |
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27 |
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28 >>> import urllib2 |
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29 >>> from keepalive import HTTPHandler |
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30 >>> keepalive_handler = HTTPHandler() |
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31 >>> opener = urlreq.buildopener(keepalive_handler) |
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32 >>> urlreq.installopener(opener) |
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33 >>> |
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34 >>> fo = urlreq.urlopen('http://www.python.org') |
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35 |
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36 If a connection to a given host is requested, and all of the existing |
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37 connections are still in use, another connection will be opened. If |
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38 the handler tries to use an existing connection but it fails in some |
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39 way, it will be closed and removed from the pool. |
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40 |
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41 To remove the handler, simply re-run build_opener with no arguments, and |
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42 install that opener. |
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43 |
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44 You can explicitly close connections by using the close_connection() |
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45 method of the returned file-like object (described below) or you can |
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46 use the handler methods: |
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47 |
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48 close_connection(host) |
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49 close_all() |
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50 open_connections() |
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51 |
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52 NOTE: using the close_connection and close_all methods of the handler |
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53 should be done with care when using multiple threads. |
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54 * there is nothing that prevents another thread from creating new |
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55 connections immediately after connections are closed |
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56 * no checks are done to prevent in-use connections from being closed |
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57 |
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58 >>> keepalive_handler.close_all() |
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59 |
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60 EXTRA ATTRIBUTES AND METHODS |
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61 |
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62 Upon a status of 200, the object returned has a few additional |
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63 attributes and methods, which should not be used if you want to |
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64 remain consistent with the normal urllib2-returned objects: |
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65 |
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66 close_connection() - close the connection to the host |
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67 readlines() - you know, readlines() |
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68 status - the return status (i.e. 404) |
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69 reason - english translation of status (i.e. 'File not found') |
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70 |
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71 If you want the best of both worlds, use this inside an |
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72 AttributeError-catching try: |
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73 |
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74 >>> try: status = fo.status |
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75 >>> except AttributeError: status = None |
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76 |
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77 Unfortunately, these are ONLY there if status == 200, so it's not |
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78 easy to distinguish between non-200 responses. The reason is that |
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79 urllib2 tries to do clever things with error codes 301, 302, 401, |
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80 and 407, and it wraps the object upon return. |
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81 """ |
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82 |
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83 # $Id: keepalive.py,v 1.14 2006/04/04 21:00:32 mstenner Exp $ |
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84 |
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85 from __future__ import absolute_import, print_function |
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86 |
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87 import errno |
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88 import hashlib |
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89 import socket |
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90 import sys |
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91 import threading |
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92 |
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93 from .i18n import _ |
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94 from . import ( |
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95 node, |
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96 pycompat, |
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97 urllibcompat, |
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98 util, |
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99 ) |
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100 from .utils import ( |
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101 procutil, |
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102 ) |
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103 |
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104 httplib = util.httplib |
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105 urlerr = util.urlerr |
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106 urlreq = util.urlreq |
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107 |
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108 DEBUG = None |
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109 |
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110 class ConnectionManager(object): |
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111 """ |
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112 The connection manager must be able to: |
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113 * keep track of all existing |
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114 """ |
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115 def __init__(self): |
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116 self._lock = threading.Lock() |
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117 self._hostmap = {} # map hosts to a list of connections |
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118 self._connmap = {} # map connections to host |
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119 self._readymap = {} # map connection to ready state |
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120 |
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121 def add(self, host, connection, ready): |
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122 self._lock.acquire() |
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123 try: |
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124 if host not in self._hostmap: |
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125 self._hostmap[host] = [] |
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126 self._hostmap[host].append(connection) |
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127 self._connmap[connection] = host |
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128 self._readymap[connection] = ready |
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129 finally: |
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130 self._lock.release() |
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131 |
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132 def remove(self, connection): |
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133 self._lock.acquire() |
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134 try: |
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135 try: |
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136 host = self._connmap[connection] |
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137 except KeyError: |
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138 pass |
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139 else: |
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140 del self._connmap[connection] |
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141 del self._readymap[connection] |
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142 self._hostmap[host].remove(connection) |
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143 if not self._hostmap[host]: |
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144 del self._hostmap[host] |
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145 finally: |
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146 self._lock.release() |
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147 |
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148 def set_ready(self, connection, ready): |
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149 try: |
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150 self._readymap[connection] = ready |
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151 except KeyError: |
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152 pass |
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153 |
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154 def get_ready_conn(self, host): |
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155 conn = None |
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156 self._lock.acquire() |
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157 try: |
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158 if host in self._hostmap: |
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159 for c in self._hostmap[host]: |
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160 if self._readymap[c]: |
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161 self._readymap[c] = 0 |
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162 conn = c |
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163 break |
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164 finally: |
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165 self._lock.release() |
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166 return conn |
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167 |
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168 def get_all(self, host=None): |
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169 if host: |
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170 return list(self._hostmap.get(host, [])) |
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171 else: |
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172 return dict(self._hostmap) |
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173 |
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174 class KeepAliveHandler(object): |
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175 def __init__(self): |
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176 self._cm = ConnectionManager() |
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177 self.requestscount = 0 |
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178 self.sentbytescount = 0 |
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179 |
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180 #### Connection Management |
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181 def open_connections(self): |
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182 """return a list of connected hosts and the number of connections |
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183 to each. [('foo.com:80', 2), ('bar.org', 1)]""" |
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184 return [(host, len(li)) for (host, li) in self._cm.get_all().items()] |
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185 |
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186 def close_connection(self, host): |
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187 """close connection(s) to <host> |
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188 host is the host:port spec, as in 'www.cnn.com:8080' as passed in. |
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189 no error occurs if there is no connection to that host.""" |
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190 for h in self._cm.get_all(host): |
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191 self._cm.remove(h) |
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192 h.close() |
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193 |
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194 def close_all(self): |
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195 """close all open connections""" |
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196 for host, conns in self._cm.get_all().iteritems(): |
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197 for h in conns: |
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198 self._cm.remove(h) |
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199 h.close() |
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200 |
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201 def _request_closed(self, request, host, connection): |
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202 """tells us that this request is now closed and that the |
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203 connection is ready for another request""" |
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204 self._cm.set_ready(connection, 1) |
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205 |
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206 def _remove_connection(self, host, connection, close=0): |
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207 if close: |
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208 connection.close() |
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209 self._cm.remove(connection) |
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210 |
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211 #### Transaction Execution |
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212 def http_open(self, req): |
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213 return self.do_open(HTTPConnection, req) |
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214 |
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215 def do_open(self, http_class, req): |
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216 host = urllibcompat.gethost(req) |
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217 if not host: |
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218 raise urlerr.urlerror('no host given') |
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219 |
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220 try: |
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221 h = self._cm.get_ready_conn(host) |
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222 while h: |
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223 r = self._reuse_connection(h, req, host) |
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224 |
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225 # if this response is non-None, then it worked and we're |
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226 # done. Break out, skipping the else block. |
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227 if r: |
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228 break |
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229 |
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230 # connection is bad - possibly closed by server |
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231 # discard it and ask for the next free connection |
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232 h.close() |
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233 self._cm.remove(h) |
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234 h = self._cm.get_ready_conn(host) |
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235 else: |
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236 # no (working) free connections were found. Create a new one. |
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237 h = http_class(host) |
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238 if DEBUG: |
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239 DEBUG.info("creating new connection to %s (%d)", |
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240 host, id(h)) |
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241 self._cm.add(host, h, 0) |
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242 self._start_transaction(h, req) |
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243 r = h.getresponse() |
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244 # The string form of BadStatusLine is the status line. Add some context |
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245 # to make the error message slightly more useful. |
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246 except httplib.BadStatusLine as err: |
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247 raise urlerr.urlerror( |
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248 _('bad HTTP status line: %s') % pycompat.sysbytes(err.line)) |
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249 except (socket.error, httplib.HTTPException) as err: |
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250 raise urlerr.urlerror(err) |
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251 |
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252 # If not a persistent connection, don't try to reuse it. Look |
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253 # for this using getattr() since vcr doesn't define this |
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254 # attribute, and in that case always close the connection. |
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255 if getattr(r, r'will_close', True): |
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256 self._cm.remove(h) |
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257 |
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258 if DEBUG: |
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259 DEBUG.info("STATUS: %s, %s", r.status, r.reason) |
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260 r._handler = self |
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261 r._host = host |
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262 r._url = req.get_full_url() |
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263 r._connection = h |
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264 r.code = r.status |
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265 r.headers = r.msg |
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266 r.msg = r.reason |
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267 |
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268 return r |
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269 |
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270 def _reuse_connection(self, h, req, host): |
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271 """start the transaction with a re-used connection |
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272 return a response object (r) upon success or None on failure. |
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273 This DOES not close or remove bad connections in cases where |
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274 it returns. However, if an unexpected exception occurs, it |
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275 will close and remove the connection before re-raising. |
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276 """ |
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277 try: |
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278 self._start_transaction(h, req) |
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279 r = h.getresponse() |
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280 # note: just because we got something back doesn't mean it |
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281 # worked. We'll check the version below, too. |
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282 except (socket.error, httplib.HTTPException): |
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283 r = None |
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284 except: # re-raises |
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285 # adding this block just in case we've missed |
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286 # something we will still raise the exception, but |
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287 # lets try and close the connection and remove it |
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288 # first. We previously got into a nasty loop |
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289 # where an exception was uncaught, and so the |
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290 # connection stayed open. On the next try, the |
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291 # same exception was raised, etc. The trade-off is |
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292 # that it's now possible this call will raise |
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293 # a DIFFERENT exception |
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294 if DEBUG: |
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295 DEBUG.error("unexpected exception - closing " |
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296 "connection to %s (%d)", host, id(h)) |
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297 self._cm.remove(h) |
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298 h.close() |
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299 raise |
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300 |
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301 if r is None or r.version == 9: |
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302 # httplib falls back to assuming HTTP 0.9 if it gets a |
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303 # bad header back. This is most likely to happen if |
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304 # the socket has been closed by the server since we |
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305 # last used the connection. |
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306 if DEBUG: |
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307 DEBUG.info("failed to re-use connection to %s (%d)", |
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308 host, id(h)) |
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309 r = None |
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310 else: |
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311 if DEBUG: |
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312 DEBUG.info("re-using connection to %s (%d)", host, id(h)) |
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313 |
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314 return r |
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315 |
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316 def _start_transaction(self, h, req): |
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317 oldbytescount = h.sentbytescount |
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318 |
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319 # What follows mostly reimplements HTTPConnection.request() |
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320 # except it adds self.parent.addheaders in the mix and sends headers |
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321 # in a deterministic order (to make testing easier). |
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322 headers = util.sortdict(self.parent.addheaders) |
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323 headers.update(sorted(req.headers.items())) |
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324 headers.update(sorted(req.unredirected_hdrs.items())) |
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325 headers = util.sortdict((n.lower(), v) for n, v in headers.items()) |
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326 skipheaders = {} |
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327 for n in (r'host', r'accept-encoding'): |
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328 if n in headers: |
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329 skipheaders[r'skip_' + n.replace(r'-', r'_')] = 1 |
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330 try: |
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331 if urllibcompat.hasdata(req): |
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332 data = urllibcompat.getdata(req) |
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333 h.putrequest( |
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334 req.get_method(), urllibcompat.getselector(req), |
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335 **skipheaders) |
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336 if r'content-type' not in headers: |
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337 h.putheader(r'Content-type', |
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338 r'application/x-www-form-urlencoded') |
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339 if r'content-length' not in headers: |
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340 h.putheader(r'Content-length', r'%d' % len(data)) |
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341 else: |
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342 h.putrequest( |
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343 req.get_method(), urllibcompat.getselector(req), |
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344 **skipheaders) |
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345 except socket.error as err: |
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346 raise urlerr.urlerror(err) |
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347 for k, v in headers.items(): |
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348 h.putheader(k, v) |
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349 h.endheaders() |
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350 if urllibcompat.hasdata(req): |
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351 h.send(data) |
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352 |
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353 # This will fail to record events in case of I/O failure. That's OK. |
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354 self.requestscount += 1 |
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355 self.sentbytescount += h.sentbytescount - oldbytescount |
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356 |
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357 try: |
dc82ad1b7f77
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parents:
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|
358 self.parent.requestscount += 1 |
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diff
changeset
|
359 self.parent.sentbytescount += h.sentbytescount - oldbytescount |
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diff
changeset
|
360 except AttributeError: |
dc82ad1b7f77
keepalive: track request count and bytes sent
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parents:
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diff
changeset
|
361 pass |
dc82ad1b7f77
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parents:
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diff
changeset
|
362 |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
363 class HTTPHandler(KeepAliveHandler, urlreq.httphandler): |
5983
6f1fcbc58efa
httprepo: use separate handlers for HTTP and HTTPS
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4026
diff
changeset
|
364 pass |
6f1fcbc58efa
httprepo: use separate handlers for HTTP and HTTPS
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4026
diff
changeset
|
365 |
2435
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parents:
diff
changeset
|
366 class HTTPResponse(httplib.HTTPResponse): |
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http client: support persistent connections.
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diff
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|
367 # we need to subclass HTTPResponse in order to |
37297
97eedbd5a56c
keepalive: implement readinto()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
368 # 1) add readline(), readlines(), and readinto() methods |
2435
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parents:
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|
369 # 2) add close_connection() methods |
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parents:
diff
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|
370 # 3) add info() and geturl() methods |
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http client: support persistent connections.
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parents:
diff
changeset
|
371 |
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parents:
diff
changeset
|
372 # in order to add readline(), read must be modified to deal with a |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
373 # buffer. example: readline must read a buffer and then spit back |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
374 # one line at a time. The only real alternative is to read one |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
375 # BYTE at a time (ick). Once something has been read, it can't be |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
376 # put back (ok, maybe it can, but that's even uglier than this), |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
377 # so if you THEN do a normal read, you must first take stuff from |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
378 # the buffer. |
ff2bac730b99
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parents:
diff
changeset
|
379 |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17251
diff
changeset
|
380 # the read method wraps the original to accommodate buffering, |
2435
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http client: support persistent connections.
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parents:
diff
changeset
|
381 # although read() never adds to the buffer. |
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http client: support persistent connections.
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parents:
diff
changeset
|
382 # Both readline and readlines have been stolen with almost no |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
383 # modification from socket.py |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
384 |
2435
ff2bac730b99
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parents:
diff
changeset
|
385 |
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parents:
diff
changeset
|
386 def __init__(self, sock, debuglevel=0, strict=0, method=None): |
34427
a454123f5d94
keepalive: python 3 portability tweaks
Augie Fackler <augie@google.com>
parents:
34331
diff
changeset
|
387 extrakw = {} |
a454123f5d94
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Augie Fackler <augie@google.com>
parents:
34331
diff
changeset
|
388 if not pycompat.ispy3: |
35364
03112a2c9c83
py3: handle keyword arguments correctly in keepalive.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34466
diff
changeset
|
389 extrakw[r'strict'] = True |
03112a2c9c83
py3: handle keyword arguments correctly in keepalive.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34466
diff
changeset
|
390 extrakw[r'buffering'] = True |
32667
2806c7bbcb5e
keepalive: pass the correct arguments to HTTPResponse
Kyle Lippincott <spectral@google.com>
parents:
31999
diff
changeset
|
391 httplib.HTTPResponse.__init__(self, sock, debuglevel=debuglevel, |
34427
a454123f5d94
keepalive: python 3 portability tweaks
Augie Fackler <augie@google.com>
parents:
34331
diff
changeset
|
392 method=method, **extrakw) |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
393 self.fileno = sock.fileno |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
394 self.code = None |
40033
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
395 self.receivedbytescount = 0 |
2435
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http client: support persistent connections.
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parents:
diff
changeset
|
396 self._rbuf = '' |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
397 self._rbufsize = 8096 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
398 self._handler = None # inserted by the handler later |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
399 self._host = None # (same) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
400 self._url = None # (same) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
401 self._connection = None # (same) |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
402 |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
403 _raw_read = httplib.HTTPResponse.read |
37587
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
404 _raw_readinto = getattr(httplib.HTTPResponse, 'readinto', None) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
405 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
406 def close(self): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
407 if self.fp: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
408 self.fp.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
409 self.fp = None |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
410 if self._handler: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
411 self._handler._request_closed(self, self._host, |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
412 self._connection) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
413 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
414 def close_connection(self): |
ff2bac730b99
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parents:
diff
changeset
|
415 self._handler._remove_connection(self._host, self._connection, close=1) |
ff2bac730b99
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parents:
diff
changeset
|
416 self.close() |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
417 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
418 def info(self): |
2444
5eb02f9ed804
Update keepalive.py to current CVS version of urlgrabber.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2435
diff
changeset
|
419 return self.headers |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
420 |
ff2bac730b99
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parents:
diff
changeset
|
421 def geturl(self): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
422 return self._url |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
423 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
424 def read(self, amt=None): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
425 # the _rbuf test is only in this first if for speed. It's not |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
426 # logically necessary |
34331
531332502568
style: always use `x is not None` instead of `not x is None`
Alex Gaynor <agaynor@mozilla.com>
parents:
34308
diff
changeset
|
427 if self._rbuf and amt is not None: |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
428 L = len(self._rbuf) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
429 if amt > L: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
430 amt -= L |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
431 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
432 s = self._rbuf[:amt] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
433 self._rbuf = self._rbuf[amt:] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
434 return s |
39816
1cf1680b0554
keepalive: be more careful about self._rbuf when calling super impls
Augie Fackler <augie@google.com>
parents:
39649
diff
changeset
|
435 # Careful! http.client.HTTPResponse.read() on Python 3 is |
1cf1680b0554
keepalive: be more careful about self._rbuf when calling super impls
Augie Fackler <augie@google.com>
parents:
39649
diff
changeset
|
436 # implemented using readinto(), which can duplicate self._rbuf |
1cf1680b0554
keepalive: be more careful about self._rbuf when calling super impls
Augie Fackler <augie@google.com>
parents:
39649
diff
changeset
|
437 # if it's not empty. |
1cf1680b0554
keepalive: be more careful about self._rbuf when calling super impls
Augie Fackler <augie@google.com>
parents:
39649
diff
changeset
|
438 s = self._rbuf |
2435
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http client: support persistent connections.
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parents:
diff
changeset
|
439 self._rbuf = '' |
40033
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
440 data = self._raw_read(amt) |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
441 |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
442 self.receivedbytescount += len(data) |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
443 self._connection.receivedbytescount += len(data) |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
444 try: |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
445 self._handler.parent.receivedbytescount += len(data) |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
446 except AttributeError: |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
447 pass |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
448 |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
449 s += data |
2435
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
450 return s |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
451 |
7781
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
452 # stolen from Python SVN #68532 to fix issue1088 |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
453 def _read_chunked(self, amt): |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
454 chunk_left = self.chunk_left |
30686
8352c42a0a0d
keepalive: don't concatenate strings when reading chunked transfer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30487
diff
changeset
|
455 parts = [] |
7781
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
456 |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
457 while True: |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
458 if chunk_left is None: |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
459 line = self.fp.readline() |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
460 i = line.find(';') |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
461 if i >= 0: |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
462 line = line[:i] # strip chunk-extensions |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
463 try: |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
464 chunk_left = int(line, 16) |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
465 except ValueError: |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17251
diff
changeset
|
466 # close the connection as protocol synchronization is |
7781
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
467 # probably lost |
a45206455d85
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Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
468 self.close() |
30686
8352c42a0a0d
keepalive: don't concatenate strings when reading chunked transfer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30487
diff
changeset
|
469 raise httplib.IncompleteRead(''.join(parts)) |
7781
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
470 if chunk_left == 0: |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
471 break |
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
472 if amt is None: |
30686
8352c42a0a0d
keepalive: don't concatenate strings when reading chunked transfer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30487
diff
changeset
|
473 parts.append(self._safe_read(chunk_left)) |
7781
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
474 elif amt < chunk_left: |
30686
8352c42a0a0d
keepalive: don't concatenate strings when reading chunked transfer
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parents:
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|
475 parts.append(self._safe_read(amt)) |
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476 self.chunk_left = chunk_left - amt |
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|
477 return ''.join(parts) |
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|
478 elif amt == chunk_left: |
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|
479 parts.append(self._safe_read(amt)) |
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480 self._safe_read(2) # toss the CRLF at the end of the chunk |
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481 self.chunk_left = None |
30686
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|
482 return ''.join(parts) |
7781
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diff
changeset
|
483 else: |
30686
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diff
changeset
|
484 parts.append(self._safe_read(chunk_left)) |
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|
485 amt -= chunk_left |
a45206455d85
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diff
changeset
|
486 |
a45206455d85
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diff
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|
487 # we read the whole chunk, get another |
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488 self._safe_read(2) # toss the CRLF at the end of the chunk |
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489 chunk_left = None |
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|
490 |
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diff
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|
491 # read and discard trailer up to the CRLF terminator |
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492 ### note: we shouldn't have any trailers! |
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|
493 while True: |
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494 line = self.fp.readline() |
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495 if not line: |
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496 # a vanishingly small number of sites EOF without |
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497 # sending the trailer |
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498 break |
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499 if line == '\r\n': |
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500 break |
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|
501 |
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502 # we read everything; close the "file" |
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503 self.close() |
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|
504 |
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505 return ''.join(parts) |
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506 |
30687
5d06f6b73a57
keepalive: remove limit argument from readline()
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parents:
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diff
changeset
|
507 def readline(self): |
30688
dc5b594f41e9
keepalive: rewrite readline()
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508 # Fast path for a line is already available in read buffer. |
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509 i = self._rbuf.find('\n') |
30688
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510 if i >= 0: |
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|
511 i += 1 |
dc5b594f41e9
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diff
changeset
|
512 line = self._rbuf[:i] |
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keepalive: rewrite readline()
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diff
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|
513 self._rbuf = self._rbuf[i:] |
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diff
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|
514 return line |
dc5b594f41e9
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parents:
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diff
changeset
|
515 |
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parents:
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diff
changeset
|
516 # No newline in local buffer. Read until we find one. |
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diff
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|
517 chunks = [self._rbuf] |
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diff
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|
518 i = -1 |
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keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
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|
519 readsize = self._rbufsize |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
520 while True: |
dc5b594f41e9
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Gregory Szorc <gregory.szorc@gmail.com>
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|
521 new = self._raw_read(readsize) |
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|
522 if not new: |
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many, many trivial check-code fixups
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|
523 break |
30688
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diff
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|
524 |
40033
5e5b06087ec5
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|
525 self.receivedbytescount += len(new) |
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parents:
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diff
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|
526 self._connection.receivedbytescount += len(new) |
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|
527 try: |
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|
528 self._handler.parent.receivedbytescount += len(new) |
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|
529 except AttributeError: |
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parents:
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diff
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|
530 pass |
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parents:
40032
diff
changeset
|
531 |
30688
dc5b594f41e9
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parents:
30687
diff
changeset
|
532 chunks.append(new) |
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parents:
diff
changeset
|
533 i = new.find('\n') |
10282
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many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
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|
534 if i >= 0: |
30688
dc5b594f41e9
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parents:
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diff
changeset
|
535 break |
dc5b594f41e9
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diff
changeset
|
536 |
dc5b594f41e9
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parents:
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diff
changeset
|
537 # We either have exhausted the stream or have a newline in chunks[-1]. |
dc5b594f41e9
keepalive: rewrite readline()
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parents:
30687
diff
changeset
|
538 |
dc5b594f41e9
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30687
diff
changeset
|
539 # EOF |
dc5b594f41e9
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30687
diff
changeset
|
540 if i == -1: |
dc5b594f41e9
keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30687
diff
changeset
|
541 self._rbuf = '' |
dc5b594f41e9
keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
542 return ''.join(chunks) |
dc5b594f41e9
keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30687
diff
changeset
|
543 |
dc5b594f41e9
keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
544 i += 1 |
dc5b594f41e9
keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
545 self._rbuf = chunks[-1][i:] |
dc5b594f41e9
keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30687
diff
changeset
|
546 chunks[-1] = chunks[-1][:i] |
dc5b594f41e9
keepalive: rewrite readline()
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parents:
30687
diff
changeset
|
547 return ''.join(chunks) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
548 |
19872
681f7b9213a4
check-code: check for spaces around = for named parameters
Mads Kiilerich <madski@unity3d.com>
parents:
17700
diff
changeset
|
549 def readlines(self, sizehint=0): |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
550 total = 0 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
551 list = [] |
14494
1ffeeb91c55d
check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents:
10394
diff
changeset
|
552 while True: |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
553 line = self.readline() |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
554 if not line: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
555 break |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
556 list.append(line) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
557 total += len(line) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
558 if sizehint and total >= sizehint: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
559 break |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
560 return list |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
561 |
37297
97eedbd5a56c
keepalive: implement readinto()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
562 def readinto(self, dest): |
37587
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
563 if self._raw_readinto is None: |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
564 res = self.read(len(dest)) |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
565 if not res: |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
566 return 0 |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
567 dest[0:len(res)] = res |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
568 return len(res) |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
569 total = len(dest) |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
570 have = len(self._rbuf) |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
571 if have >= total: |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
572 dest[0:total] = self._rbuf[:total] |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
573 self._rbuf = self._rbuf[total:] |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
574 return total |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
575 mv = memoryview(dest) |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
576 got = self._raw_readinto(mv[have:total]) |
40033
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
577 |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
578 self.receivedbytescount += got |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
579 self._connection.receivedbytescount += got |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
580 try: |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
581 self._handler.receivedbytescount += got |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
582 except AttributeError: |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
583 pass |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
584 |
37587
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
585 dest[0:have] = self._rbuf |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
586 got += len(self._rbuf) |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
587 self._rbuf = '' |
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
588 return got |
37297
97eedbd5a56c
keepalive: implement readinto()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
589 |
9726
430e59ff3437
keepalive: handle broken pipes gracefully during large POSTs
Augie Fackler <durin42@gmail.com>
parents:
8296
diff
changeset
|
590 def safesend(self, str): |
430e59ff3437
keepalive: handle broken pipes gracefully during large POSTs
Augie Fackler <durin42@gmail.com>
parents:
8296
diff
changeset
|
591 """Send `str' to the server. |
430e59ff3437
keepalive: handle broken pipes gracefully during large POSTs
Augie Fackler <durin42@gmail.com>
parents:
8296
diff
changeset
|
592 |
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593 Shamelessly ripped off from httplib to patch a bad behavior. |
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594 """ |
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595 # _broken_pipe_resp is an attribute we set in this function |
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596 # if the socket is closed while we're sending data but |
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597 # the server sent us a response before hanging up. |
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598 # In that case, we want to pretend to send the rest of the |
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599 # outgoing data, and then let the user use getresponse() |
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600 # (which we wrap) to get this last response before |
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601 # opening a new socket. |
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602 if getattr(self, '_broken_pipe_resp', None) is not None: |
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603 return |
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604 |
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605 if self.sock is None: |
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606 if self.auto_open: |
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607 self.connect() |
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608 else: |
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609 raise httplib.NotConnected |
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610 |
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611 # send the data to the server. if we get a broken pipe, then close |
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612 # the socket. we want to reconnect when somebody tries to send again. |
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613 # |
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614 # NOTE: we DO propagate the error, though, because we cannot simply |
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615 # ignore the error... the caller will know if they can retry. |
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616 if self.debuglevel > 0: |
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617 print("send:", repr(str)) |
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618 try: |
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619 blocksize = 8192 |
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620 read = getattr(str, 'read', None) |
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621 if read is not None: |
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622 if self.debuglevel > 0: |
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623 print("sending a read()able") |
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624 data = read(blocksize) |
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625 while data: |
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626 self.sock.sendall(data) |
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627 self.sentbytescount += len(data) |
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628 data = read(blocksize) |
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629 else: |
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630 self.sock.sendall(str) |
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631 self.sentbytescount += len(str) |
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632 except socket.error as v: |
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633 reraise = True |
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634 if v[0] == errno.EPIPE: # Broken pipe |
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635 if self._HTTPConnection__state == httplib._CS_REQ_SENT: |
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636 self._broken_pipe_resp = None |
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637 self._broken_pipe_resp = self.getresponse() |
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638 reraise = False |
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639 self.close() |
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640 if reraise: |
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641 raise |
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642 |
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643 def wrapgetresponse(cls): |
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644 """Wraps getresponse in cls with a broken-pipe sane version. |
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645 """ |
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646 def safegetresponse(self): |
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647 # In safesend() we might set the _broken_pipe_resp |
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648 # attribute, in which case the socket has already |
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649 # been closed and we just need to give them the response |
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650 # back. Otherwise, we use the normal response path. |
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651 r = getattr(self, '_broken_pipe_resp', None) |
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652 if r is not None: |
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653 return r |
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654 return cls.getresponse(self) |
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655 safegetresponse.__doc__ = cls.getresponse.__doc__ |
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656 return safegetresponse |
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657 |
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658 class HTTPConnection(httplib.HTTPConnection): |
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659 # url.httpsconnection inherits from this. So when adding/removing |
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660 # attributes, be sure to audit httpsconnection() for unintended |
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661 # consequences. |
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662 |
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663 # use the modified response class |
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664 response_class = HTTPResponse |
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665 send = safesend |
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666 getresponse = wrapgetresponse(httplib.HTTPConnection) |
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667 |
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668 def __init__(self, *args, **kwargs): |
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669 httplib.HTTPConnection.__init__(self, *args, **kwargs) |
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670 self.sentbytescount = 0 |
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671 self.receivedbytescount = 0 |
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672 |
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673 ######################################################################### |
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674 ##### TEST FUNCTIONS |
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675 ######################################################################### |
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676 |
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677 |
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678 def continuity(url): |
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679 md5 = hashlib.md5 |
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680 format = '%25s: %s' |
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681 |
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682 # first fetch the file with the normal http handler |
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683 opener = urlreq.buildopener() |
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684 urlreq.installopener(opener) |
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685 fo = urlreq.urlopen(url) |
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686 foo = fo.read() |
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687 fo.close() |
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688 m = md5(foo) |
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689 print(format % ('normal urllib', node.hex(m.digest()))) |
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690 |
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691 # now install the keepalive handler and try again |
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692 opener = urlreq.buildopener(HTTPHandler()) |
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693 urlreq.installopener(opener) |
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694 |
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695 fo = urlreq.urlopen(url) |
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696 foo = fo.read() |
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697 fo.close() |
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698 m = md5(foo) |
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699 print(format % ('keepalive read', node.hex(m.digest()))) |
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700 |
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701 fo = urlreq.urlopen(url) |
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702 foo = '' |
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703 while True: |
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704 f = fo.readline() |
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705 if f: |
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706 foo = foo + f |
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707 else: |
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708 break |
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709 fo.close() |
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keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
710 m = md5(foo) |
35582
72b91f905065
py3: use node.hex(h.digest()) instead of h.hexdigest()
Pulkit Goyal <7895pulkit@gmail.com>
parents:
35364
diff
changeset
|
711 print(format % ('keepalive readline', node.hex(m.digest()))) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
712 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
713 def comp(N, url): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
714 print(' making %i connections to:\n %s' % (N, url)) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
715 |
37119
d4a2e0d5d042
procutil: bulk-replace util.std* to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36295
diff
changeset
|
716 procutil.stdout.write(' first using the normal urllib handlers') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
717 # first use normal opener |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
718 opener = urlreq.buildopener() |
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
719 urlreq.installopener(opener) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
720 t1 = fetch(N, url) |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
721 print(' TIME: %.3f s' % t1) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
722 |
37119
d4a2e0d5d042
procutil: bulk-replace util.std* to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36295
diff
changeset
|
723 procutil.stdout.write(' now using the keepalive handler ') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
724 # now install the keepalive handler and try again |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
725 opener = urlreq.buildopener(HTTPHandler()) |
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
726 urlreq.installopener(opener) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
727 t2 = fetch(N, url) |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
728 print(' TIME: %.3f s' % t2) |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
729 print(' improvement factor: %.2f' % (t1 / t2)) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
730 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
731 def fetch(N, url, delay=0): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
732 import time |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
733 lens = [] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
734 starttime = time.time() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
735 for i in range(N): |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
736 if delay and i > 0: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
737 time.sleep(delay) |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
738 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
739 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
740 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
741 lens.append(len(foo)) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
742 diff = time.time() - starttime |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
743 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
744 j = 0 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
745 for i in lens[1:]: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
746 j = j + 1 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
747 if not i == lens[0]: |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
748 print("WARNING: inconsistent length on read %i: %i" % (j, i)) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
749 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
750 return diff |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
751 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
752 def test_timeout(url): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
753 global DEBUG |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
754 dbbackup = DEBUG |
14764
a7d5816087a9
classes: fix class style problems found by b071cd58af50
Thomas Arendsen Hein <thomas@intevation.de>
parents:
14494
diff
changeset
|
755 class FakeLogger(object): |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
756 def debug(self, msg, *args): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
757 print(msg % args) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
758 info = warning = error = debug |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
759 DEBUG = FakeLogger() |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
760 print(" fetching the file to establish a connection") |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
761 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
762 data1 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
763 fo.close() |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
764 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
765 i = 20 |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
766 print(" waiting %i seconds for the server to close the connection" % i) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
767 while i > 0: |
37119
d4a2e0d5d042
procutil: bulk-replace util.std* to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36295
diff
changeset
|
768 procutil.stdout.write('\r %2i' % i) |
d4a2e0d5d042
procutil: bulk-replace util.std* to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36295
diff
changeset
|
769 procutil.stdout.flush() |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
770 time.sleep(1) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
771 i -= 1 |
37119
d4a2e0d5d042
procutil: bulk-replace util.std* to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36295
diff
changeset
|
772 procutil.stderr.write('\r') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
773 |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
774 print(" fetching the file a second time") |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
775 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
776 data2 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
777 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
778 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
779 if data1 == data2: |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
780 print(' data are identical') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
781 else: |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
782 print(' ERROR: DATA DIFFER') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
783 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
784 DEBUG = dbbackup |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
785 |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
786 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
787 def test(url, N=10): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
788 print("performing continuity test (making sure stuff isn't corrupted)") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
789 continuity(url) |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
790 print('') |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
791 print("performing speed comparison") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
792 comp(N, url) |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
793 print('') |
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
794 print("performing dropped-connection check") |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
795 test_timeout(url) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
796 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
797 if __name__ == '__main__': |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
798 import time |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
799 try: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
800 N = int(sys.argv[1]) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
801 url = sys.argv[2] |
16688
cfb6682961b8
cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents:
16687
diff
changeset
|
802 except (IndexError, ValueError): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
803 print("%s <integer> <url>" % sys.argv[0]) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
804 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
805 test(url, N) |