2 # -*- coding: iso-8859-1 -*-
3 # Copyright (C) 2007-2016 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
34 logger = logging.getLogger(__name__)
35 # logger.setLevel(logging.DEBUG)
36 logger.setLevel(logging.INFO)
37 ch = logging.StreamHandler()
38 ch.setLevel(logging.DEBUG)
39 formatter = logging.Formatter("%(levelname)s:%(threadName)s:%(message)s")
40 ch.setFormatter(formatter)
44 logger = createLogger()
46 #------------------------------------
48 def __acquire_lock(lock):
49 if sys.platform == "win32":
51 # lock 1 byte: file is supposed to be zero-byte long
52 msvcrt.locking(lock.fileno(), msvcrt.LK_LOCK, 1)
55 fcntl.flock(lock, fcntl.LOCK_EX)
57 def __release_lock(lock):
58 if sys.platform == "win32":
60 msvcrt.locking(lock.fileno(), msvcrt.LK_UNLCK, 1)
63 fcntl.flock(lock, fcntl.LOCK_UN)
65 #------------------------------------
67 def _getConfigurationFilename():
68 omniorbUserPath = os.getenv("OMNIORB_USER_PATH")
70 from salome_utils import generateFileName
71 portmanager_config = generateFileName(omniorbUserPath,
77 temp = tempfile.NamedTemporaryFile()
78 lock_file = os.path.join(os.path.dirname(temp.name), ".omniORB_PortManager.lock")
81 return (portmanager_config, lock_file)
84 def __isPortUsed(port, busy_ports):
85 return (port in busy_ports) or __isNetworkConnectionActiveOnPort(port)
88 def __isNetworkConnectionActiveOnPort(port):
89 # :NOTE: Under windows:
90 # netstat options -l and -t are unavailable
91 # grep command is unavailable
92 if sys.platform == "win32":
93 cmd = ['netstat','-a','-n','-p tcp']
95 cmd = ['netstat','-ant']
100 from subprocess import Popen, PIPE, STDOUT
101 p = Popen(cmd, stdout=PIPE, stderr=STDOUT)
102 out, err = p.communicate()
104 print "Error when trying to access active network connections."
107 traceback.print_exc()
111 buf = StringIO.StringIO(out)
112 ports = buf.readlines()
113 # search for TCP - LISTEN connections
115 regObj = re.compile( ".*tcp.*:([0-9]+).*:.*listen", re.IGNORECASE );
118 p = int(regObj.match(item).group(1))
119 if p == port: return True
125 def getPort(preferedPort=None):
126 logger.debug("GET PORT")
128 config_file, lock_file = _getConfigurationFilename()
129 oldmask = os.umask(0)
130 with open(lock_file, 'w') as lock:
135 config = {'busy_ports':[]}
136 logger.debug("read configuration file")
138 with open(config_file, 'r') as f:
139 config = pickle.load(f)
141 logger.info("Problem loading PortManager file: %s"%config_file)
142 # In this case config dictionary is reset
144 logger.debug("load busy_ports: %s"%str(config["busy_ports"]))
147 busy_ports = config["busy_ports"]
149 if not port or __isPortUsed(port, busy_ports):
151 while __isPortUsed(port, busy_ports):
154 msg += "Can't find a free port to launch omniNames\n"
155 msg += "Try to kill the running servers and then launch SALOME again.\n"
156 raise RuntimeError, msg
157 logger.debug("Port %s seems to be busy"%str(port))
158 if not port in config["busy_ports"]:
159 config["busy_ports"].append(port)
161 logger.debug("found free port: %s"%str(port))
162 config["busy_ports"].append(port)
165 logger.debug("write busy_ports: %s"%str(config["busy_ports"]))
167 with open(config_file, 'w') as f:
168 pickle.dump(config, f)
177 logger.debug("get port: %s"%str(port))
181 def releasePort(port):
183 logger.debug("RELEASE PORT (%s)"%port)
185 config_file, lock_file = _getConfigurationFilename()
186 oldmask = os.umask(0)
187 with open(lock_file, 'w') as lock:
192 config = {'busy_ports':[]}
193 logger.debug("read configuration file")
195 with open(config_file, 'r') as f:
196 config = pickle.load(f)
197 except IOError: # empty file
200 logger.debug("load busy_ports: %s"%str(config["busy_ports"]))
202 # remove port from list
203 busy_ports = config["busy_ports"]
205 if port in busy_ports:
206 busy_ports.remove(port)
207 config["busy_ports"] = busy_ports
210 logger.debug("write busy_ports: %s"%str(config["busy_ports"]))
212 with open(config_file, 'w') as f:
213 pickle.dump(config, f)
220 logger.debug("released port port: %s"%str(port))
227 config_file, lock_file = _getConfigurationFilename()
228 oldmask = os.umask(0)
229 with open(lock_file, 'w') as lock:
234 config = {'busy_ports':[]}
235 logger.debug("read configuration file")
237 with open(config_file, 'r') as f:
238 config = pickle.load(f)
239 except IOError: # empty file
242 logger.debug("load busy_ports: %s"%str(config["busy_ports"]))
244 busy_ports = config["busy_ports"]