2 # -*- coding: iso-8859-1 -*-
3 # Copyright (C) 2007-2017 CEA/DEN, EDF R&D, OPEN CASCADE
5 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
6 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
8 # This library is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU Lesser General Public
10 # License as published by the Free Software Foundation; either
11 # version 2.1 of the License, or (at your option) any later version.
13 # This library is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 # Lesser General Public License for more details.
18 # You should have received a copy of the GNU Lesser General Public
19 # License along with this library; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
28 import cPickle as pickle #@UnusedImport
30 import pickle #@Reimport
32 __PORT_MIN_NUMBER = 2810
33 __PORT_MAX_NUMBER = 2910
37 logger = logging.getLogger(__name__)
38 # logger.setLevel(logging.DEBUG)
39 logger.setLevel(logging.INFO)
40 ch = logging.StreamHandler()
41 ch.setLevel(logging.DEBUG)
42 formatter = logging.Formatter("%(levelname)s:%(threadName)s:%(message)s")
43 ch.setFormatter(formatter)
47 logger = createLogger()
49 #------------------------------------
51 def __acquire_lock(lock):
52 logger.debug("ACQUIRE LOCK")
53 if sys.platform == "win32":
55 # lock 1 byte: file is supposed to be zero-byte long
56 msvcrt.locking(lock.fileno(), msvcrt.LK_LOCK, 1)
59 fcntl.flock(lock, fcntl.LOCK_EX)
60 logger.debug("LOCK ACQUIRED")
62 def __release_lock(lock):
63 logger.debug("RELEASE LOCK")
64 if sys.platform == "win32":
66 msvcrt.locking(lock.fileno(), msvcrt.LK_UNLCK, 1)
69 fcntl.flock(lock, fcntl.LOCK_UN)
70 logger.debug("LOCK RELEASED")
72 #------------------------------------
74 def _getConfigurationFilename():
75 omniorbUserPath = os.getenv("OMNIORB_USER_PATH")
77 from salome_utils import generateFileName
78 portmanager_config = generateFileName(omniorbUserPath,
84 temp = tempfile.NamedTemporaryFile()
85 lock_file = os.path.join(os.path.dirname(temp.name), ".salome_PortManager.lock")
88 return (portmanager_config, lock_file)
91 def __isPortUsed(port, config):
93 for ports in config.values():
95 return (port in busy_ports) or __isNetworkConnectionActiveOnPort(port)
98 def __isNetworkConnectionActiveOnPort(port):
99 # :NOTE: Under windows:
100 # netstat options -l and -t are unavailable
101 # grep command is unavailable
102 if sys.platform == "win32":
103 cmd = ['netstat','-a','-n','-p tcp']
105 cmd = ['netstat','-ant']
110 from subprocess import Popen, PIPE, STDOUT
111 p = Popen(cmd, stdout=PIPE, stderr=STDOUT)
112 out, err = p.communicate()
114 print "Error when trying to access active network connections."
117 traceback.print_exc()
121 buf = StringIO.StringIO(out)
122 ports = buf.readlines()
123 # search for TCP - LISTEN connections
125 regObj = re.compile( ".*tcp.*:([0-9]+).*:.*listen", re.IGNORECASE );
128 p = int(regObj.match(item).group(1))
129 if p == port: return True
135 def getPort(preferedPort=None):
136 logger.debug("GET PORT")
138 config_file, lock_file = _getConfigurationFilename()
139 oldmask = os.umask(0)
140 with open(lock_file, 'w') as lock:
146 logger.debug("read configuration file")
148 with open(config_file, 'r') as f:
149 config = pickle.load(f)
151 logger.info("Problem loading PortManager file: %s"%config_file)
152 # In this case config dictionary is reset
154 logger.debug("load config: %s"%str(config))
155 appli_path = os.getenv("ABSOLUTE_APPLI_PATH", "unknown")
159 config[appli_path] = []
163 if not port or __isPortUsed(port, config):
164 port = __PORT_MIN_NUMBER
165 while __isPortUsed(port, config):
166 if port == __PORT_MAX_NUMBER:
168 msg += "Can't find a free port to launch omniNames\n"
169 msg += "Try to kill the running servers and then launch SALOME again.\n"
170 raise RuntimeError, msg
171 logger.debug("Port %s seems to be busy"%str(port))
173 logger.debug("found free port: %s"%str(port))
174 config[appli_path].append(port)
177 logger.debug("write config: %s"%str(config))
179 with open(config_file, 'w') as f:
180 pickle.dump(config, f)
189 logger.debug("get port: %s"%str(port))
193 def releasePort(port):
195 logger.debug("RELEASE PORT (%s)"%port)
197 config_file, lock_file = _getConfigurationFilename()
198 oldmask = os.umask(0)
199 with open(lock_file, 'w') as lock:
205 logger.debug("read configuration file")
207 with open(config_file, 'r') as f:
208 config = pickle.load(f)
209 except IOError: # empty file
212 logger.debug("load config: %s"%str(config))
213 appli_path = os.getenv("ABSOLUTE_APPLI_PATH", "unknown")
217 config[appli_path] = []
219 # remove port from list
220 ports_info = config[appli_path]
221 config[appli_path] = [x for x in ports_info if x != port]
224 logger.debug("write config: %s"%str(config))
226 with open(config_file, 'w') as f:
227 pickle.dump(config, f)
234 logger.debug("released port port: %s"%str(port))
240 config_file, lock_file = _getConfigurationFilename()
241 oldmask = os.umask(0)
242 with open(lock_file, 'w') as lock:
248 logger.debug("read configuration file")
250 with open(config_file, 'r') as f:
251 config = pickle.load(f)
252 except IOError: # empty file
255 logger.debug("load config: %s"%str(config))
256 appli_path = os.getenv("ABSOLUTE_APPLI_PATH", "unknown")
260 config[appli_path] = []
262 # Scan all possible ports to determine which ones are owned by other applications
263 ports_info = { 'this': [], 'other': [] }
264 my_busy_ports = config[appli_path]
265 for port in range(__PORT_MIN_NUMBER, __PORT_MAX_NUMBER):
266 if __isPortUsed(port, config):
267 logger.debug("Port %s seems to be busy"%str(port))
268 if port in my_busy_ports:
269 ports_info["this"].append(port)
271 ports_info["other"].append(port)
273 logger.debug("all busy_ports: %s"%str(ports_info))
275 sorted_ports = { 'this': sorted(ports_info['this']),
276 'other': sorted(ports_info['other']) }