-#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-
-# Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+# Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
#
# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
-# version 2.1 of the License.
+# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
-def searchFreePort(args={}, save_config=1):
- """
- Search free port for SALOME session.
- Returns first found free port number.
- """
- import sys, os, re, shutil
- print "Searching for a free port for naming service:",
-
- # :NOTE: Under windows:
- # netstat options -l and -t are unavailable
- # grep command is unavailable
-
- from subprocess import Popen, PIPE
- (stdout, stderr) = Popen(['netstat','-an'], stdout=PIPE).communicate()
- import StringIO
- buf = StringIO.StringIO(stdout)
- ports = buf.readlines()
+import os
+import sys
+def __setup_config(nsport, args, save_config):
#
- def portIsUsed(port, data):
- regObj = re.compile( ".*tcp.*:([0-9]+).*:.*listen", re.IGNORECASE );
- for item in data:
- try:
- p = int(regObj.match(item).group(1))
- if p == port: return True
- pass
- except:
+ from salome_utils import generateFileName, getHostName
+ hostname = getHostName()
+ #
+ omniorbUserPath = os.getenv("OMNIORB_USER_PATH")
+ kwargs={}
+ if omniorbUserPath is not None:
+ kwargs["with_username"]=True
+ #
+ from ORBConfigFile import writeORBConfigFile
+ omniorb_config, giopsize = writeORBConfigFile(omniorbUserPath, hostname, nsport, kwargs)
+ args['port'] = os.environ['NSPORT']
+ #
+ if save_config:
+ last_running_config = generateFileName(omniorbUserPath, prefix="omniORB",
+ suffix="last",
+ extension="cfg",
+ hidden=True,
+ **kwargs)
+ os.environ['LAST_RUNNING_CONFIG'] = last_running_config
+ try:
+ if sys.platform == "win32":
+ import shutil
+ shutil.copyfile(omniorb_config, last_running_config)
+ else:
+ try:
+ if os.access(last_running_config, os.F_OK):
+ os.remove(last_running_config)
+ except OSError:
+ pass
+ os.symlink(omniorb_config, last_running_config)
pass
pass
- return False
+ except Exception:
+ pass
#
- NSPORT=2810
- limit=NSPORT+100
+#
+
+def searchFreePort_withPortManager(queue, args={}, save_config=1, use_port=None):
+ from PortManager import getPort
+ port = getPort(use_port)
+
+ if use_port:
+ print("Check if port can be used: %d" % use_port, end=' ')
+ if port == use_port and port != -1:
+ print("- OK")
+ __setup_config(use_port, args, save_config)
+ queue.put([os.environ['OMNIORB_CONFIG'],
+ os.environ['NSPORT'],
+ os.environ['NSHOST']])
+ return
+ else:
+ print("- KO: port is busy")
+ pass
#
+ print("Searching for a free port for naming service:", end=' ')
+ if port == -1: # try again
+ port = getPort(use_port)
- while 1:
- if not portIsUsed(NSPORT, ports):
- print "%s - OK"%(NSPORT)
- #
- from salome_utils import generateFileName, getHostName
- hostname = getHostName()
- #
- home = os.getenv("HOME")
- appli = os.getenv("APPLI")
- kwargs={}
- if appli is not None:
- home = os.path.join(os.path.realpath(home), appli,"USERS")
- kwargs["with_username"]=True
- #
- from ORBConfigFile import writeORBConfigFile
- omniorb_config, giopsize = writeORBConfigFile(home, hostname, NSPORT, kwargs)
+ if port != -1:
+ print("%s - OK"%(port))
+ __setup_config(port, args, save_config)
+ else:
+ print("Unable to obtain port")
- args['port'] = os.environ['NSPORT']
- #
- if save_config:
- last_running_config = generateFileName(home, prefix="omniORB",
- suffix="last",
- extension="cfg",
- hidden=True,
- **kwargs)
- os.environ['LAST_RUNNING_CONFIG'] = last_running_config
- try:
- if sys.platform == "win32":
- import shutil
- shutil.copyfile(omniorb_config, last_running_config)
- else:
- try:
- if os.access(last_running_config, os.F_OK):
- os.remove(last_running_config)
- except OSError:
- pass
- os.symlink(omniorb_config, last_running_config)
- pass
- pass
- except:
- pass
- #
- break
- print "%s"%(NSPORT),
- if NSPORT == limit:
- msg = "\n"
- msg += "Can't find a free port to launch omniNames\n"
- msg += "Try to kill the running servers and then launch SALOME again.\n"
- raise RuntimeError, msg
- NSPORT=NSPORT+1
- pass
- return
+ queue.put([os.environ['OMNIORB_CONFIG'],
+ os.environ['NSPORT'],
+ os.environ['NSHOST']])
+#
+
+def __savePortToFile(args):
+ # Save Naming service port name into
+ # the file args["ns_port_log_file"]
+ if 'ns_port_log_file' in args:
+ omniorbUserPath = os.getenv("OMNIORB_USER_PATH")
+ file_name = os.path.join(omniorbUserPath, args["ns_port_log_file"])
+ with open(file_name, "w") as f:
+ f.write(os.environ['NSPORT'])
+#
+
+def searchFreePort(args={}, save_config=1, use_port=None):
+ """
+ Search free port for SALOME session.
+ Returns first found free port number.
+ """
+ try:
+ import PortManager # mandatory
+ from multiprocessing import Process, Queue
+ queue = Queue()
+ p = Process(target = searchFreePort_withPortManager, args=(queue, args, save_config, use_port,))
+ p.start()
+ info = queue.get()
+
+ os.environ['OMNIORB_CONFIG'] = info[0]
+ os.environ['NSPORT'] = info[1]
+ args['port'] = os.environ['NSPORT']
+ os.environ['NSHOST'] = info[2]
+ __savePortToFile(args)
+
+ p.join() # this blocks until the process terminates
+ except ImportError:
+ raise Exception('PortManager module not found')
+#
