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comparison roundup/scripts/roundup_server.py @ 2848:e8cb25c30ac9

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added multiprocess mode "debug" - run single process... ...and don't cache tracker instances or compiled templates; preload all trackers unless in "debug" mode (thanks donfu)
author Alexander Smishlajev <a1s@users.sourceforge.net>
date Tue, 02 Nov 2004 09:07:08 +0000
parents 46ad912ddd2b
children 37e6ebd5ba29
comparison
equal deleted inserted replaced
2847:fddbbeb581bc 2848:e8cb25c30ac9
15 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 15 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
16 # 16 #
17 17
18 """Command-line script that runs a server over roundup.cgi.client. 18 """Command-line script that runs a server over roundup.cgi.client.
19 19
20 $Id: roundup_server.py,v 1.71 2004-10-30 08:43:06 a1s Exp $ 20 $Id: roundup_server.py,v 1.72 2004-11-02 09:07:08 a1s Exp $
21 """ 21 """
22 __docformat__ = 'restructuredtext' 22 __docformat__ = 'restructuredtext'
23 23
24 import errno, cgi, getopt, os, socket, sys, traceback, urllib 24 import errno, cgi, getopt, os, socket, sys, traceback, urllib
25 import ConfigParser, BaseHTTPServer, SocketServer, StringIO 25 import ConfigParser, BaseHTTPServer, SocketServer, StringIO
50 '''.strip())) 50 '''.strip()))
51 51
52 DEFAULT_PORT = 8080 52 DEFAULT_PORT = 8080
53 53
54 # See what types of multiprocess server are available 54 # See what types of multiprocess server are available
55 MULTIPROCESS_TYPES = ["none"] 55 # Note: the order is important. Preferred multiprocess type
56 # is the last element of this list.
57 # "debug" means "none" + no tracker/template cache
58 MULTIPROCESS_TYPES = ["debug", "none"]
56 try: 59 try:
57 import thread 60 import thread
58 except ImportError: 61 except ImportError:
59 pass 62 pass
60 else: 63 else:
63 MULTIPROCESS_TYPES.append("fork") 66 MULTIPROCESS_TYPES.append("fork")
64 DEFAULT_MULTIPROCESS = MULTIPROCESS_TYPES[-1] 67 DEFAULT_MULTIPROCESS = MULTIPROCESS_TYPES[-1]
65 68
66 class RoundupRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler): 69 class RoundupRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
67 TRACKER_HOMES = {} 70 TRACKER_HOMES = {}
71 TRACKERS = None
68 LOG_IPADDRESS = 1 72 LOG_IPADDRESS = 1
73
74 def get_tracker(self, name):
75 """Return a tracker instance for given tracker name"""
76 # Note: try/except KeyError works faster that has_key() check
77 # if the key is usually found in the dictionary
78 #
79 # Return cached tracker instance if we have a tracker cache
80 if self.TRACKERS:
81 try:
82 return self.TRACKERS[name]
83 except KeyError:
84 pass
85 # No cached tracker. Look for home path.
86 try:
87 tracker_home = self.TRACKER_HOMES[name]
88 except KeyError:
89 raise client.NotFound
90 # open the instance
91 tracker = roundup.instance.open(tracker_home)
92 # and cache it if we have a tracker cache
93 if self.TRACKERS:
94 self.TRACKERS[name] = tracker
95 return tracker
69 96
70 def run_cgi(self): 97 def run_cgi(self):
71 """ Execute the CGI command. Wrap an innner call in an error 98 """ Execute the CGI command. Wrap an innner call in an error
72 handler so all errors can be caught. 99 handler so all errors can be caught.
73 """ 100 """
156 self.send_header('Location', url) 183 self.send_header('Location', url)
157 self.end_headers() 184 self.end_headers()
158 self.wfile.write('Moved Permanently') 185 self.wfile.write('Moved Permanently')
159 return 186 return
160 187
161 if self.TRACKER_HOMES.has_key(tracker_name):
162 tracker_home = self.TRACKER_HOMES[tracker_name]
163 tracker = roundup.instance.open(tracker_home)
164 else:
165 raise client.NotFound
166
167 # figure out what the rest of the path is 188 # figure out what the rest of the path is
168 if len(l_path) > 2: 189 if len(l_path) > 2:
169 rest = '/'.join(l_path[2:]) 190 rest = '/'.join(l_path[2:])
170 else: 191 else:
171 rest = '/' 192 rest = '/'
191 env['SCRIPT_NAME'] = '' 212 env['SCRIPT_NAME'] = ''
192 env['SERVER_NAME'] = self.server.server_name 213 env['SERVER_NAME'] = self.server.server_name
193 env['SERVER_PORT'] = str(self.server.server_port) 214 env['SERVER_PORT'] = str(self.server.server_port)
194 env['HTTP_HOST'] = self.headers['host'] 215 env['HTTP_HOST'] = self.headers['host']
195 216
196 # do the roundup thang 217 # do the roundup thing
218 tracker = self.get_tracker(tracker_name)
197 tracker.Client(tracker, self, env).main() 219 tracker.Client(tracker, self, env).main()
198 220
199 def address_string(self): 221 def address_string(self):
200 if self.LOG_IPADDRESS: 222 if self.LOG_IPADDRESS:
201 return self.client_address[0] 223 return self.client_address[0]
374 if self["LOGFILE"]: 396 if self["LOGFILE"]:
375 # appending, unbuffered 397 # appending, unbuffered
376 sys.stdout = sys.stderr = open(self["LOGFILE"], 'a', 0) 398 sys.stdout = sys.stderr = open(self["LOGFILE"], 'a', 0)
377 # we don't want the cgi module interpreting the command-line args ;) 399 # we don't want the cgi module interpreting the command-line args ;)
378 sys.argv = sys.argv[:1] 400 sys.argv = sys.argv[:1]
401 # preload all trackers unless we are in "debug" mode
402 tracker_homes = self.trackers()
403 if self["MULTIPROCESS"] == "debug":
404 trackers = None
405 else:
406 trackers = dict([(name, roundup.instance.open(home))
407 for (name, home) in tracker_homes])
379 # build customized request handler class 408 # build customized request handler class
380 class RequestHandler(RoundupRequestHandler): 409 class RequestHandler(RoundupRequestHandler):
381 LOG_IPADDRESS = not self["LOG_HOSTNAMES"] 410 LOG_IPADDRESS = not self["LOG_HOSTNAMES"]
382 TRACKER_HOMES = dict(self.trackers()) 411 TRACKER_HOMES = dict(tracker_homes)
412 TRACKERS = trackers
383 # obtain request server class 413 # obtain request server class
384 if self["MULTIPROCESS"] not in MULTIPROCESS_TYPES: 414 if self["MULTIPROCESS"] not in MULTIPROCESS_TYPES:
385 print _("Multiprocess mode \"%s\" is not available, " 415 print _("Multiprocess mode \"%s\" is not available, "
386 "switching to single-process") % self["MULTIPROCESS"] 416 "switching to single-process") % self["MULTIPROCESS"]
387 self["MULTIPROCESS"] = "none" 417 self["MULTIPROCESS"] = "none"
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