Mercurial > hg
annotate mercurial/keepalive.py @ 49542:8251f7cc787d stable
keepalive: ensure `close_all()` actually closes all cached connections
While debugging why LFS blob downloads are getting corrupted with workers, I
noticed that prior to spinning up the workers, the ConnectionManager has 2
connections to the server and calling `KeepAliveHandler.close_all()` left one
behind. The reason is the value component of `self._cm.get_all().items()` is a
list, and `self._cm.remove()` modifies said list while the caller is iterating
over it. Now `get_all()` is a deep copy of both the dict and lists in all
cases.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Tue, 18 Oct 2022 11:54:58 -0400 |
parents | 48f1b314056b |
children | 76fbb1b6692a |
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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 |
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86 import collections |
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87 import hashlib |
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88 import socket |
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89 import sys |
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90 import threading |
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91 |
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92 from .i18n import _ |
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93 from .pycompat import getattr |
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94 from .node import hex |
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95 from . import ( |
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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 procutil |
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101 |
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102 httplib = util.httplib |
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103 urlerr = util.urlerr |
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104 urlreq = util.urlreq |
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105 |
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106 DEBUG = None |
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107 |
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108 |
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109 class ConnectionManager: |
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110 """ |
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111 The connection manager must be able to: |
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112 * keep track of all existing |
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113 """ |
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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 = collections.defaultdict(list) # host -> [connection] |
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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 self._hostmap[host].append(connection) |
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125 self._connmap[connection] = host |
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126 self._readymap[connection] = ready |
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127 finally: |
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128 self._lock.release() |
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129 |
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130 def remove(self, connection): |
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131 self._lock.acquire() |
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132 try: |
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133 try: |
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134 host = self._connmap[connection] |
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135 except KeyError: |
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136 pass |
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137 else: |
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138 del self._connmap[connection] |
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139 del self._readymap[connection] |
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140 self._hostmap[host].remove(connection) |
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141 if not self._hostmap[host]: |
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142 del self._hostmap[host] |
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143 finally: |
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144 self._lock.release() |
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145 |
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146 def set_ready(self, connection, ready): |
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147 try: |
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148 self._readymap[connection] = ready |
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149 except KeyError: |
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150 pass |
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151 |
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152 def get_ready_conn(self, host): |
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153 conn = None |
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154 self._lock.acquire() |
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155 try: |
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156 for c in self._hostmap[host]: |
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157 if self._readymap[c]: |
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158 self._readymap[c] = False |
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159 conn = c |
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160 break |
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161 finally: |
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162 self._lock.release() |
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163 return conn |
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164 |
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165 def get_all(self, host=None): |
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166 if host: |
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167 return list(self._hostmap[host]) |
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168 else: |
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169 return dict( |
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170 {h: list(conns) for (h, conns) in self._hostmap.items()} |
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171 ) |
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172 |
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173 |
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174 class KeepAliveHandler: |
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175 def __init__(self, timeout=None): |
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176 self._cm = ConnectionManager() |
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177 self._timeout = timeout |
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178 self.requestscount = 0 |
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179 self.sentbytescount = 0 |
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180 |
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181 #### Connection Management |
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182 def open_connections(self): |
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183 """return a list of connected hosts and the number of connections |
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184 to each. [('foo.com:80', 2), ('bar.org', 1)]""" |
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185 return [(host, len(li)) for (host, li) in self._cm.get_all().items()] |
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186 |
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187 def close_connection(self, host): |
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188 """close connection(s) to <host> |
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189 host is the host:port spec, as in 'www.cnn.com:8080' as passed in. |
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190 no error occurs if there is no connection to that host.""" |
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191 for h in self._cm.get_all(host): |
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192 self._cm.remove(h) |
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193 h.close() |
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194 |
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195 def close_all(self): |
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196 """close all open connections""" |
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197 for host, conns in self._cm.get_all().items(): |
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198 for h in conns: |
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199 self._cm.remove(h) |
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200 h.close() |
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201 |
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202 def _request_closed(self, request, host, connection): |
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203 """tells us that this request is now closed and that the |
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204 connection is ready for another request""" |
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205 self._cm.set_ready(connection, True) |
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206 |
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207 def _remove_connection(self, host, connection, close=0): |
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208 if close: |
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209 connection.close() |
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210 self._cm.remove(connection) |
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211 |
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212 #### Transaction Execution |
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213 def http_open(self, req): |
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214 return self.do_open(HTTPConnection, req) |
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215 |
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216 def do_open(self, http_class, req): |
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217 host = urllibcompat.gethost(req) |
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218 if not host: |
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219 raise urlerr.urlerror(b'no host given') |
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220 |
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221 try: |
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222 h = self._cm.get_ready_conn(host) |
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223 while h: |
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224 r = self._reuse_connection(h, req, host) |
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225 |
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226 # if this response is non-None, then it worked and we're |
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227 # done. Break out, skipping the else block. |
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228 if r: |
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229 break |
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230 |
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231 # connection is bad - possibly closed by server |
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232 # discard it and ask for the next free connection |
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233 h.close() |
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234 self._cm.remove(h) |
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235 h = self._cm.get_ready_conn(host) |
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236 else: |
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237 # no (working) free connections were found. Create a new one. |
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238 h = http_class(host, timeout=self._timeout) |
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239 if DEBUG: |
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240 DEBUG.info( |
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241 b"creating new connection to %s (%d)", host, id(h) |
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242 ) |
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243 self._cm.add(host, h, False) |
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244 self._start_transaction(h, req) |
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245 r = h.getresponse() |
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246 # The string form of BadStatusLine is the status line. Add some context |
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247 # to make the error message slightly more useful. |
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248 except httplib.BadStatusLine as err: |
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249 raise urlerr.urlerror( |
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250 _(b'bad HTTP status line: %s') % pycompat.sysbytes(err.line) |
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251 ) |
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252 except (socket.error, httplib.HTTPException) as err: |
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253 raise urlerr.urlerror(err) |
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254 |
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255 # If not a persistent connection, don't try to reuse it. Look |
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256 # for this using getattr() since vcr doesn't define this |
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257 # attribute, and in that case always close the connection. |
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258 if getattr(r, 'will_close', True): |
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259 self._cm.remove(h) |
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260 |
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261 if DEBUG: |
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262 DEBUG.info(b"STATUS: %s, %s", r.status, r.reason) |
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263 r._handler = self |
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264 r._host = host |
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265 r._url = req.get_full_url() |
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266 r._connection = h |
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267 r.code = r.status |
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268 r.headers = r.msg |
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269 r.msg = r.reason |
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270 |
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271 return r |
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272 |
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273 def _reuse_connection(self, h, req, host): |
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274 """start the transaction with a re-used connection |
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275 return a response object (r) upon success or None on failure. |
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276 This DOES not close or remove bad connections in cases where |
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277 it returns. However, if an unexpected exception occurs, it |
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278 will close and remove the connection before re-raising. |
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279 """ |
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280 try: |
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281 self._start_transaction(h, req) |
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282 r = h.getresponse() |
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283 # note: just because we got something back doesn't mean it |
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284 # worked. We'll check the version below, too. |
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285 except (socket.error, httplib.HTTPException): |
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286 r = None |
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287 except: # re-raises |
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288 # adding this block just in case we've missed |
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289 # something we will still raise the exception, but |
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290 # lets try and close the connection and remove it |
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291 # first. We previously got into a nasty loop |
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292 # where an exception was uncaught, and so the |
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293 # connection stayed open. On the next try, the |
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294 # same exception was raised, etc. The trade-off is |
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295 # that it's now possible this call will raise |
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296 # a DIFFERENT exception |
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297 if DEBUG: |
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298 DEBUG.error( |
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299 b"unexpected exception - closing connection to %s (%d)", |
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300 host, |
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301 id(h), |
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302 ) |
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303 self._cm.remove(h) |
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304 h.close() |
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305 raise |
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306 |
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307 if r is None or r.version == 9: |
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308 # httplib falls back to assuming HTTP 0.9 if it gets a |
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309 # bad header back. This is most likely to happen if |
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310 # the socket has been closed by the server since we |
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311 # last used the connection. |
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312 if DEBUG: |
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313 DEBUG.info( |
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314 b"failed to re-use connection to %s (%d)", host, id(h) |
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315 ) |
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316 r = None |
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317 else: |
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318 if DEBUG: |
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319 DEBUG.info(b"re-using connection to %s (%d)", host, id(h)) |
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320 |
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321 return r |
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322 |
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323 def _start_transaction(self, h, req): |
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324 oldbytescount = getattr(h, 'sentbytescount', 0) |
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325 |
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326 # What follows mostly reimplements HTTPConnection.request() |
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327 # except it adds self.parent.addheaders in the mix and sends headers |
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328 # in a deterministic order (to make testing easier). |
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329 headers = util.sortdict(self.parent.addheaders) |
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330 headers.update(sorted(req.headers.items())) |
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331 headers.update(sorted(req.unredirected_hdrs.items())) |
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332 headers = util.sortdict((n.lower(), v) for n, v in headers.items()) |
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333 skipheaders = {} |
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334 for n in ('host', 'accept-encoding'): |
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335 if n in headers: |
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336 skipheaders['skip_' + n.replace('-', '_')] = 1 |
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337 try: |
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338 if urllibcompat.hasdata(req): |
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339 data = urllibcompat.getdata(req) |
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340 h.putrequest( |
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341 req.get_method(), |
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342 urllibcompat.getselector(req), |
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343 **skipheaders |
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344 ) |
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345 if 'content-type' not in headers: |
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346 h.putheader( |
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347 'Content-type', 'application/x-www-form-urlencoded' |
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348 ) |
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349 if 'content-length' not in headers: |
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350 h.putheader('Content-length', '%d' % len(data)) |
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351 else: |
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352 h.putrequest( |
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353 req.get_method(), |
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354 urllibcompat.getselector(req), |
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355 **skipheaders |
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356 ) |
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357 except socket.error as err: |
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pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
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|
358 raise urlerr.urlerror(err) |
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655c435efe92
keepalive: fix 4f13ed6ee544, reintroduce unredirected_hdrs
Patrick Mezard <pmezard@gmail.com>
parents:
8146
diff
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359 for k, v in headers.items(): |
8146
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parents:
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|
360 h.putheader(k, v) |
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361 h.endheaders() |
34466
1232f7fa00c3
cleanup: use urllibcompat for renamed methods on urllib request objects
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parents:
34435
diff
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|
362 if urllibcompat.hasdata(req): |
8146
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|
363 h.send(data) |
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diff
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|
364 |
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diff
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|
365 # This will fail to record events in case of I/O failure. That's OK. |
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|
366 self.requestscount += 1 |
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keepalive: use getattr to avoid AttributeErrors when vcr is in use
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parents:
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367 self.sentbytescount += getattr(h, 'sentbytescount', 0) - oldbytescount |
40032
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|
368 |
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parents:
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|
369 try: |
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parents:
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|
370 self.parent.requestscount += 1 |
40379
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keepalive: use getattr to avoid AttributeErrors when vcr is in use
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parents:
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|
371 self.parent.sentbytescount += ( |
43076
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|
372 getattr(h, 'sentbytescount', 0) - oldbytescount |
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|
373 ) |
40032
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|
374 except AttributeError: |
dc82ad1b7f77
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parents:
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diff
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|
375 pass |
dc82ad1b7f77
keepalive: track request count and bytes sent
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40031
diff
changeset
|
376 |
43076
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parents:
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changeset
|
377 |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
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diff
changeset
|
378 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
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|
379 pass |
6f1fcbc58efa
httprepo: use separate handlers for HTTP and HTTPS
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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diff
changeset
|
380 |
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|
381 |
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diff
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|
382 class HTTPResponse(httplib.HTTPResponse): |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
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383 # we need to subclass HTTPResponse in order to |
37297
97eedbd5a56c
keepalive: implement readinto()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
384 # 1) add readline(), readlines(), and readinto() methods |
2435
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http client: support persistent connections.
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parents:
diff
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|
385 # 2) add close_connection() methods |
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parents:
diff
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386 # 3) add info() and geturl() methods |
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parents:
diff
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|
387 |
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diff
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|
388 # 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
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389 # buffer. example: readline must read a buffer and then spit back |
ff2bac730b99
http client: support persistent connections.
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diff
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|
390 # one line at a time. The only real alternative is to read one |
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diff
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391 # BYTE at a time (ick). Once something has been read, it can't be |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
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392 # 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
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|
393 # so if you THEN do a normal read, you must first take stuff from |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
394 # the buffer. |
ff2bac730b99
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parents:
diff
changeset
|
395 |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17251
diff
changeset
|
396 # 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
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|
397 # although read() never adds to the buffer. |
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http client: support persistent connections.
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parents:
diff
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|
398 # Both readline and readlines have been stolen with almost no |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
399 # modification from socket.py |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
400 |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
401 def __init__(self, sock, debuglevel=0, strict=0, method=None): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
402 httplib.HTTPResponse.__init__( |
48895
62baa61efe8f
keepalive: remove Python 2 support code
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48875
diff
changeset
|
403 self, sock, debuglevel=debuglevel, method=method |
43076
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formatting: blacken the codebase
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parents:
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diff
changeset
|
404 ) |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
405 self.fileno = sock.fileno |
ff2bac730b99
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parents:
diff
changeset
|
406 self.code = None |
40033
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
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parents:
40032
diff
changeset
|
407 self.receivedbytescount = 0 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
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|
408 self._rbuf = b'' |
2435
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http client: support persistent connections.
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parents:
diff
changeset
|
409 self._rbufsize = 8096 |
43076
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parents:
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diff
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|
410 self._handler = None # inserted by the handler later |
2372284d9457
formatting: blacken the codebase
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parents:
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diff
changeset
|
411 self._host = None # (same) |
2372284d9457
formatting: blacken the codebase
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parents:
41441
diff
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|
412 self._url = None # (same) |
2372284d9457
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parents:
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|
413 self._connection = None # (same) |
2435
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parents:
diff
changeset
|
414 |
ff2bac730b99
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parents:
diff
changeset
|
415 _raw_read = httplib.HTTPResponse.read |
37587
192b7ad06932
keepalive: rewrite readinto() to not use read()
Augie Fackler <augie@google.com>
parents:
37297
diff
changeset
|
416 _raw_readinto = getattr(httplib.HTTPResponse, 'readinto', None) |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
417 |
41441
44d752efdbce
keepalive: implement _close_conn() so closes are known
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41409
diff
changeset
|
418 # Python 2.7 has a single close() which closes the socket handle. |
44d752efdbce
keepalive: implement _close_conn() so closes are known
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41409
diff
changeset
|
419 # This method was effectively renamed to _close_conn() in Python 3. But |
44d752efdbce
keepalive: implement _close_conn() so closes are known
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41409
diff
changeset
|
420 # there is also a close(). _close_conn() is called by methods like |
44d752efdbce
keepalive: implement _close_conn() so closes are known
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41409
diff
changeset
|
421 # read(). |
44d752efdbce
keepalive: implement _close_conn() so closes are known
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41409
diff
changeset
|
422 |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
423 def close(self): |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
424 if self.fp: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
425 self.fp.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
426 self.fp = None |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
427 if self._handler: |
43076
2372284d9457
formatting: blacken the codebase
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parents:
41441
diff
changeset
|
428 self._handler._request_closed( |
2372284d9457
formatting: blacken the codebase
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parents:
41441
diff
changeset
|
429 self, self._host, self._connection |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
430 ) |
2435
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
431 |
41441
44d752efdbce
keepalive: implement _close_conn() so closes are known
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parents:
41409
diff
changeset
|
432 def _close_conn(self): |
44d752efdbce
keepalive: implement _close_conn() so closes are known
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parents:
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diff
changeset
|
433 self.close() |
44d752efdbce
keepalive: implement _close_conn() so closes are known
Gregory Szorc <gregory.szorc@gmail.com>
parents:
41409
diff
changeset
|
434 |
2435
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http client: support persistent connections.
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parents:
diff
changeset
|
435 def close_connection(self): |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
436 self._handler._remove_connection(self._host, self._connection, close=1) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
437 self.close() |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
438 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
439 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
|
440 return self.headers |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
441 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
442 def geturl(self): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
443 return self._url |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
444 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
445 def read(self, amt=None): |
ff2bac730b99
http client: support persistent connections.
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parents:
diff
changeset
|
446 # 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
|
447 # 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
|
448 if self._rbuf and amt is not None: |
2435
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parents:
diff
changeset
|
449 L = len(self._rbuf) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
450 if amt > L: |
ff2bac730b99
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
451 amt -= L |
ff2bac730b99
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parents:
diff
changeset
|
452 else: |
ff2bac730b99
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parents:
diff
changeset
|
453 s = self._rbuf[:amt] |
ff2bac730b99
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parents:
diff
changeset
|
454 self._rbuf = self._rbuf[amt:] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
455 return s |
39816
1cf1680b0554
keepalive: be more careful about self._rbuf when calling super impls
Augie Fackler <augie@google.com>
parents:
39649
diff
changeset
|
456 # 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
|
457 # 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
|
458 # 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
|
459 s = self._rbuf |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
460 self._rbuf = b'' |
40033
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
461 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
|
462 |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
463 self.receivedbytescount += len(data) |
40426
588f1e9a4d16
http: work around custom http client classes that refuse extra attrs
Augie Fackler <augie@google.com>
parents:
40379
diff
changeset
|
464 try: |
588f1e9a4d16
http: work around custom http client classes that refuse extra attrs
Augie Fackler <augie@google.com>
parents:
40379
diff
changeset
|
465 self._connection.receivedbytescount += len(data) |
588f1e9a4d16
http: work around custom http client classes that refuse extra attrs
Augie Fackler <augie@google.com>
parents:
40379
diff
changeset
|
466 except AttributeError: |
588f1e9a4d16
http: work around custom http client classes that refuse extra attrs
Augie Fackler <augie@google.com>
parents:
40379
diff
changeset
|
467 pass |
40033
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
468 try: |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
469 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
|
470 except AttributeError: |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
471 pass |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
472 |
5e5b06087ec5
keepalive: track number of bytes received from an HTTP response
Gregory Szorc <gregory.szorc@gmail.com>
parents:
40032
diff
changeset
|
473 s += data |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
474 return s |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
475 |
7781
a45206455d85
keepalive: borrow code from newer httplib to patch ValueError (issue1088)
Matt Mackall <mpm@selenic.com>
parents:
7622
diff
changeset
|
476 # stolen from Python SVN #68532 to fix issue1088 |
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477 def _read_chunked(self, amt): |
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478 chunk_left = self.chunk_left |
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479 parts = [] |
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480 |
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481 while True: |
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482 if chunk_left is None: |
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483 line = self.fp.readline() |
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484 i = line.find(b';') |
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485 if i >= 0: |
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486 line = line[:i] # strip chunk-extensions |
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487 try: |
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488 chunk_left = int(line, 16) |
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489 except ValueError: |
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490 # close the connection as protocol synchronization is |
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491 # probably lost |
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492 self.close() |
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493 raise httplib.IncompleteRead(b''.join(parts)) |
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494 if chunk_left == 0: |
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495 break |
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496 if amt is None: |
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497 parts.append(self._safe_read(chunk_left)) |
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498 elif amt < chunk_left: |
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499 parts.append(self._safe_read(amt)) |
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500 self.chunk_left = chunk_left - amt |
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501 return b''.join(parts) |
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502 elif amt == chunk_left: |
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503 parts.append(self._safe_read(amt)) |
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504 self._safe_read(2) # toss the CRLF at the end of the chunk |
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505 self.chunk_left = None |
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506 return b''.join(parts) |
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507 else: |
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508 parts.append(self._safe_read(chunk_left)) |
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509 amt -= chunk_left |
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510 |
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511 # we read the whole chunk, get another |
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512 self._safe_read(2) # toss the CRLF at the end of the chunk |
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513 chunk_left = None |
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514 |
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515 # read and discard trailer up to the CRLF terminator |
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516 ### note: we shouldn't have any trailers! |
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517 while True: |
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518 line = self.fp.readline() |
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519 if not line: |
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520 # a vanishingly small number of sites EOF without |
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521 # sending the trailer |
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522 break |
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523 if line == b'\r\n': |
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524 break |
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525 |
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526 # we read everything; close the "file" |
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527 self.close() |
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528 |
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529 return b''.join(parts) |
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530 |
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diff
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|
531 def readline(self): |
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532 # Fast path for a line is already available in read buffer. |
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533 i = self._rbuf.find(b'\n') |
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534 if i >= 0: |
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535 i += 1 |
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536 line = self._rbuf[:i] |
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537 self._rbuf = self._rbuf[i:] |
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538 return line |
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539 |
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|
540 # No newline in local buffer. Read until we find one. |
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parents:
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diff
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|
541 # readinto read via readinto will already return _rbuf |
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|
542 if self._raw_readinto is None: |
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|
543 chunks = [self._rbuf] |
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diff
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544 else: |
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keepalive: Do not append _rbuf if _raw_readinto exists (issue6356)
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diff
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|
545 chunks = [] |
30688
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546 i = -1 |
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547 readsize = self._rbufsize |
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|
548 while True: |
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|
549 new = self._raw_read(readsize) |
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diff
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|
550 if not new: |
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diff
changeset
|
551 break |
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|
552 |
40033
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diff
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553 self.receivedbytescount += len(new) |
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keepalive: track number of bytes received from an HTTP response
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parents:
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diff
changeset
|
554 self._connection.receivedbytescount += len(new) |
5e5b06087ec5
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parents:
40032
diff
changeset
|
555 try: |
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keepalive: track number of bytes received from an HTTP response
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diff
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|
556 self._handler.parent.receivedbytescount += len(new) |
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keepalive: track number of bytes received from an HTTP response
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557 except AttributeError: |
5e5b06087ec5
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|
558 pass |
5e5b06087ec5
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Gregory Szorc <gregory.szorc@gmail.com>
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40032
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|
559 |
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changeset
|
560 chunks.append(new) |
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|
561 i = new.find(b'\n') |
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diff
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562 if i >= 0: |
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keepalive: rewrite readline()
Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
563 break |
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564 |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
565 # We either have exhausted the stream or have a newline in chunks[-1]. |
dc5b594f41e9
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diff
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|
566 |
dc5b594f41e9
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parents:
30687
diff
changeset
|
567 # EOF |
dc5b594f41e9
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parents:
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diff
changeset
|
568 if i == -1: |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
569 self._rbuf = b'' |
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Augie Fackler <augie@google.com>
parents:
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|
570 return b''.join(chunks) |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
571 |
dc5b594f41e9
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
572 i += 1 |
dc5b594f41e9
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Gregory Szorc <gregory.szorc@gmail.com>
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|
573 self._rbuf = chunks[-1][i:] |
dc5b594f41e9
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diff
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|
574 chunks[-1] = chunks[-1][:i] |
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parents:
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diff
changeset
|
575 return b''.join(chunks) |
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
576 |
19872
681f7b9213a4
check-code: check for spaces around = for named parameters
Mads Kiilerich <madski@unity3d.com>
parents:
17700
diff
changeset
|
577 def readlines(self, sizehint=0): |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
578 total = 0 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
579 list = [] |
14494
1ffeeb91c55d
check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents:
10394
diff
changeset
|
580 while True: |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
581 line = self.readline() |
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many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
582 if not line: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
583 break |
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ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
584 list.append(line) |
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
585 total += len(line) |
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
586 if sizehint and total >= sizehint: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
587 break |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
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diff
changeset
|
588 return list |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
589 |
37297
97eedbd5a56c
keepalive: implement readinto()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
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|
590 def readinto(self, dest): |
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591 if self._raw_readinto is None: |
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592 res = self.read(len(dest)) |
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593 if not res: |
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594 return 0 |
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595 dest[0 : len(res)] = res |
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596 return len(res) |
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597 total = len(dest) |
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598 have = len(self._rbuf) |
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599 if have >= total: |
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600 dest[0:total] = self._rbuf[:total] |
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601 self._rbuf = self._rbuf[total:] |
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602 return total |
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603 mv = memoryview(dest) |
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604 got = self._raw_readinto(mv[have:total]) |
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605 |
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606 self.receivedbytescount += got |
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607 self._connection.receivedbytescount += got |
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608 try: |
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609 self._handler.receivedbytescount += got |
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610 except AttributeError: |
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611 pass |
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612 |
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613 dest[0:have] = self._rbuf |
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614 got += len(self._rbuf) |
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615 self._rbuf = b'' |
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616 return got |
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617 |
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618 |
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619 def safesend(self, str): |
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620 """Send `str' to the server. |
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621 |
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622 Shamelessly ripped off from httplib to patch a bad behavior. |
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623 """ |
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624 # _broken_pipe_resp is an attribute we set in this function |
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625 # if the socket is closed while we're sending data but |
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626 # the server sent us a response before hanging up. |
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627 # In that case, we want to pretend to send the rest of the |
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628 # outgoing data, and then let the user use getresponse() |
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629 # (which we wrap) to get this last response before |
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630 # opening a new socket. |
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631 if getattr(self, '_broken_pipe_resp', None) is not None: |
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632 return |
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633 |
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634 if self.sock is None: |
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635 if self.auto_open: |
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636 self.connect() |
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637 else: |
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638 raise httplib.NotConnected |
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639 |
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640 # send the data to the server. if we get a broken pipe, then close |
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641 # the socket. we want to reconnect when somebody tries to send again. |
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642 # |
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643 # NOTE: we DO propagate the error, though, because we cannot simply |
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644 # ignore the error... the caller will know if they can retry. |
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645 if self.debuglevel > 0: |
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646 print(b"send:", repr(str)) |
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647 try: |
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648 blocksize = 8192 |
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649 read = getattr(str, 'read', None) |
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650 if read is not None: |
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651 if self.debuglevel > 0: |
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652 print(b"sending a read()able") |
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653 data = read(blocksize) |
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654 while data: |
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655 self.sock.sendall(data) |
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656 self.sentbytescount += len(data) |
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657 data = read(blocksize) |
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658 else: |
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659 self.sock.sendall(str) |
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660 self.sentbytescount += len(str) |
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661 except BrokenPipeError: |
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662 if self._HTTPConnection__state == httplib._CS_REQ_SENT: |
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663 self._broken_pipe_resp = None |
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664 self._broken_pipe_resp = self.getresponse() |
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665 reraise = False |
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666 else: |
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667 reraise = True |
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668 self.close() |
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669 if reraise: |
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670 raise |
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671 |
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672 |
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673 def wrapgetresponse(cls): |
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674 """Wraps getresponse in cls with a broken-pipe sane version.""" |
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675 |
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676 def safegetresponse(self): |
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677 # In safesend() we might set the _broken_pipe_resp |
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678 # attribute, in which case the socket has already |
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679 # been closed and we just need to give them the response |
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680 # back. Otherwise, we use the normal response path. |
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681 r = getattr(self, '_broken_pipe_resp', None) |
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682 if r is not None: |
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683 return r |
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684 return cls.getresponse(self) |
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685 |
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686 safegetresponse.__doc__ = cls.getresponse.__doc__ |
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687 return safegetresponse |
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688 |
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689 |
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690 class HTTPConnection(httplib.HTTPConnection): |
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691 # url.httpsconnection inherits from this. So when adding/removing |
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692 # attributes, be sure to audit httpsconnection() for unintended |
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693 # consequences. |
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694 |
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695 # use the modified response class |
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696 response_class = HTTPResponse |
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697 send = safesend |
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698 getresponse = wrapgetresponse(httplib.HTTPConnection) |
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699 |
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700 def __init__(self, *args, **kwargs): |
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701 httplib.HTTPConnection.__init__(self, *args, **kwargs) |
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702 self.sentbytescount = 0 |
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703 self.receivedbytescount = 0 |
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|
704 |
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705 |
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706 ######################################################################### |
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707 ##### TEST FUNCTIONS |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
708 ######################################################################### |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
709 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
710 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
711 def continuity(url): |
29341
0d83ad967bf8
cleanup: replace uses of util.(md5|sha1|sha256|sha512) with hashlib.\1
Augie Fackler <raf@durin42.com>
parents:
28883
diff
changeset
|
712 md5 = hashlib.md5 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
713 format = b'%25s: %s' |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
714 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
715 # first fetch the file with the normal http handler |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
716 opener = urlreq.buildopener() |
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
717 urlreq.installopener(opener) |
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
718 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
719 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
720 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
721 m = md5(foo) |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
722 print(format % (b'normal urllib', hex(m.digest()))) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
723 |
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 |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
728 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
729 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
730 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
731 m = md5(foo) |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
732 print(format % (b'keepalive read', hex(m.digest()))) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
733 |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
734 fo = urlreq.urlopen(url) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
735 foo = b'' |
14494
1ffeeb91c55d
check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents:
10394
diff
changeset
|
736 while True: |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
737 f = fo.readline() |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
738 if f: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
739 foo = foo + f |
34435
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34427
diff
changeset
|
740 else: |
5326e4ef1dab
style: never put multiple statements on one line
Alex Gaynor <agaynor@mozilla.com>
parents:
34427
diff
changeset
|
741 break |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
742 fo.close() |
22505
232d437af120
keepalive: fix how md5 is used
Mike Hommey <mh@glandium.org>
parents:
19872
diff
changeset
|
743 m = md5(foo) |
46113
59fa3890d40a
node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents:
45942
diff
changeset
|
744 print(format % (b'keepalive readline', hex(m.digest()))) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
745 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
746 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
747 def comp(N, url): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
748 print(b' making %i connections to:\n %s' % (N, url)) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
749 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
750 procutil.stdout.write(b' first using the normal urllib handlers') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
751 # first use normal opener |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
752 opener = urlreq.buildopener() |
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
753 urlreq.installopener(opener) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
754 t1 = fetch(N, url) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
755 print(b' TIME: %.3f s' % t1) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
756 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
757 procutil.stdout.write(b' now using the keepalive handler ') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
758 # 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
|
759 opener = urlreq.buildopener(HTTPHandler()) |
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
760 urlreq.installopener(opener) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
761 t2 = fetch(N, url) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
762 print(b' TIME: %.3f s' % t2) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
763 print(b' improvement factor: %.2f' % (t1 / t2)) |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
764 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
765 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
766 def fetch(N, url, delay=0): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
767 import time |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
768 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
769 lens = [] |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
770 starttime = time.time() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
771 for i in range(N): |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
772 if delay and i > 0: |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
773 time.sleep(delay) |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28278
diff
changeset
|
774 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
775 foo = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
776 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
777 lens.append(len(foo)) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
778 diff = time.time() - starttime |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
779 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
780 j = 0 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
781 for i in lens[1:]: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
782 j = j + 1 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
783 if not i == lens[0]: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
784 print(b"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
|
785 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
786 return diff |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
787 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
788 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
789 def test_timeout(url): |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
790 global DEBUG |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
791 dbbackup = DEBUG |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
792 |
48946
642e31cb55f0
py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents:
48924
diff
changeset
|
793 class FakeLogger: |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
9726
diff
changeset
|
794 def debug(self, msg, *args): |
27616
0765d8423fbc
keepalive: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27507
diff
changeset
|
795 print(msg % args) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
796 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
797 info = warning = error = debug |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
798 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
799 DEBUG = FakeLogger() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
800 print(b" 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
|
801 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
802 data1 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
803 fo.close() |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
|
804 |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
805 i = 20 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
806 print(b" 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
|
807 while i > 0: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
808 procutil.stdout.write(b'\r %2i' % i) |
37119
d4a2e0d5d042
procutil: bulk-replace util.std* to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36295
diff
changeset
|
809 procutil.stdout.flush() |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
810 time.sleep(1) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
811 i -= 1 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
812 procutil.stderr.write(b'\r') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
813 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
814 print(b" 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
|
815 fo = urlreq.urlopen(url) |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
816 data2 = fo.read() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
817 fo.close() |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
818 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
819 if data1 == data2: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
820 print(b' data are identical') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
821 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
822 print(b' ERROR: DATA DIFFER') |
2435
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
823 |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
824 DEBUG = dbbackup |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
825 |
2600
c4325f0a9b91
clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2444
diff
changeset
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826 |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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827 def test(url, N=10): |
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687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
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828 print(b"performing continuity test (making sure stuff isn't corrupted)") |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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829 continuity(url) |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
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830 print(b'') |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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831 print(b"performing speed comparison") |
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
832 comp(N, url) |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
833 print(b'') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
834 print(b"performing dropped-connection check") |
2435
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
835 test_timeout(url) |
2600
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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changeset
|
836 |
43076
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Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
837 |
2435
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
838 if __name__ == '__main__': |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
839 import time |
43076
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Augie Fackler <augie@google.com>
parents:
41441
diff
changeset
|
840 |
2435
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
841 try: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
842 N = int(sys.argv[1]) |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
843 url = sys.argv[2] |
16688
cfb6682961b8
cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents:
16687
diff
changeset
|
844 except (IndexError, ValueError): |
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
845 print(b"%s <integer> <url>" % sys.argv[0]) |
2435
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http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
846 else: |
ff2bac730b99
http client: support persistent connections.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
847 test(url, N) |