Mercurial > p > roundup > code

comparison roundup/cgi/client.py @ 3760:b8f52d030f1a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ignore common network errors, like "Connection reset by peer" catch socket errors when sending http headers.
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Wed, 15 Nov 2006 06:27:15 +0000
parents a2d22d0de0bc
children aef19fff38dd
comparison
equal deleted inserted replaced
3759:3a4cce7e77fb 3760:b8f52d030f1a
1 # $Id: client.py,v 1.228 2006-11-09 00:36:21 richard Exp $ 1 # $Id: client.py,v 1.229 2006-11-15 06:27:15 a1s Exp $
2 2
3 """WWW request handler (also used in the stand-alone server). 3 """WWW request handler (also used in the stand-alone server).
4 """ 4 """
5 __docformat__ = 'restructuredtext' 5 __docformat__ = 'restructuredtext'
6 6
106 FV_ERROR_MESSAGE = re.compile(r'[@:]error_message') 106 FV_ERROR_MESSAGE = re.compile(r'[@:]error_message')
107 107
108 # Note: index page stuff doesn't appear here: 108 # Note: index page stuff doesn't appear here:
109 # columns, sort, sortdir, filter, group, groupdir, search_text, 109 # columns, sort, sortdir, filter, group, groupdir, search_text,
110 # pagesize, startwith 110 # pagesize, startwith
111
112 # list of network error codes that shouldn't be reported to tracker admin
113 # (error descriptions from FreeBSD intro(2))
114 IGNORE_NET_ERRORS = (
115 # A write on a pipe, socket or FIFO for which there is
116 # no process to read the data.
117 errno.EPIPE,
118 # A connection was forcibly closed by a peer.
119 # This normally results from a loss of the connection
120 # on the remote socket due to a timeout or a reboot.
121 errno.ECONNRESET,
122 # Software caused connection abort. A connection abort
123 # was caused internal to your host machine.
124 errno.ECONNABORTED,
125 # A connect or send request failed because the connected party
126 # did not properly respond after a period of time.
127 errno.ETIMEDOUT,
128 )
111 129
112 def __init__(self, instance, request, env, form=None, translator=None): 130 def __init__(self, instance, request, env, form=None, translator=None):
113 # re-seed the random number generator 131 # re-seed the random number generator
114 random.seed() 132 random.seed()
115 self.start = time.time() 133 self.start = time.time()
817 break 835 break
818 else: 836 else:
819 raise ValueError, 'No such action "%s"'%action_name 837 raise ValueError, 'No such action "%s"'%action_name
820 return action_klass 838 return action_klass
821 839
840 def _socket_op(self, call, *args, **kwargs):
841 """Execute socket-related operation, catch common network errors
842
843 Parameters:
844 call: a callable to execute
845 args, kwargs: call arguments
846
847 """
848 try:
849 call(*args, **kwargs)
850 except socket.error, err:
851 if err.errno not in self.IGNORE_NET_ERRORS:
852 raise
853
822 def write(self, content): 854 def write(self, content):
823 if not self.headers_done: 855 if not self.headers_done:
824 self.header() 856 self.header()
825 if self.env['REQUEST_METHOD'] != 'HEAD': 857 if self.env['REQUEST_METHOD'] != 'HEAD':
826 try: 858 self._socket_op(self.request.wfile.write, content)
827 self.request.wfile.write(content)
828 except socket.error, error:
829 # the end-user has gone away
830 if error.errno != errno.EPIPE:
831 raise
832 859
833 def write_html(self, content): 860 def write_html(self, content):
834 if not self.headers_done: 861 if not self.headers_done:
835 # at this point, we are sure about Content-Type 862 # at this point, we are sure about Content-Type
836 self.additional_headers['Content-Type'] = \ 863 self.additional_headers['Content-Type'] = \
845 # recode output 872 # recode output
846 content = content.decode(self.STORAGE_CHARSET, 'replace') 873 content = content.decode(self.STORAGE_CHARSET, 'replace')
847 content = content.encode(self.charset, 'xmlcharrefreplace') 874 content = content.encode(self.charset, 'xmlcharrefreplace')
848 875
849 # and write 876 # and write
850 try: 877 self._socket_op(self.request.wfile.write, content)
851 self.request.wfile.write(content)
852 except socket.error, error:
853 # the end-user has gone away
854 if error.errno != errno.EPIPE:
855 raise
856 878
857 def setHeader(self, header, value): 879 def setHeader(self, header, value):
858 '''Override a header to be returned to the user's browser. 880 '''Override a header to be returned to the user's browser.
859 ''' 881 '''
860 self.additional_headers[header] = value 882 self.additional_headers[header] = value
879 cookie = "%s=%s; Path=%s;"%(name, value, path) 901 cookie = "%s=%s; Path=%s;"%(name, value, path)
880 if expire is not None: 902 if expire is not None:
881 cookie += " expires=%s;"%Cookie._getdate(expire) 903 cookie += " expires=%s;"%Cookie._getdate(expire)
882 headers.append(('Set-Cookie', cookie)) 904 headers.append(('Set-Cookie', cookie))
883 905
884 self.request.start_response(headers, response) 906 self._socket_op(self.request.start_response, headers, response)
885 907
886 self.headers_done = 1 908 self.headers_done = 1
887 if self.debug: 909 if self.debug:
888 self.headers_sent = headers 910 self.headers_sent = headers
889 911
Roundup Issue Tracker: http://roundup-tracker.org/