def testGetUniqIdUniq(self):
"""Test case for nxsession.gen_uniq_id to ensure ID is unique"""
first = nxsession.gen_uniq_id()
time.sleep(1)
second = nxsession.gen_uniq_id()
self.assertNotEqual(first, second)
def testGetUniqIdUniq(self):
"""Test case for nxsession.gen_uniq_id to ensure ID is unique"""
first = nxsession.gen_uniq_id()
time.sleep(1)
second = nxsession.gen_uniq_id()
self.assertNotEqual(first, second)
def testConstructorCookieIsUniqId(self):
old_id = nxsession.gen_uniq_id()
time.sleep(1)
# Make sure the id from the generator is now different
self.assertNotEqual(old_id, nxsession.gen_uniq_id())
o = nxsession.nxsession('')
self.failUnless('cookie' in o.params)
self.assertNotEqual(old_id, o.params['cookie'])
def testConstructorCookieIsUniqId(self):
old_id = nxsession.gen_uniq_id()
time.sleep(1)
# Make sure the id from the generator is now different
self.assertNotEqual(old_id, nxsession.gen_uniq_id())
o = nxsession.nxsession('')
self.failUnless('cookie' in o.params)
self.assertNotEqual(old_id, o.params['cookie'])
def testConstructorAcceptsCookie(self):
"""Test a cookie paramete is read from vars"""
cookie = nxsession.gen_uniq_id()
time.sleep(1)
# Make sure the id from the generator is now different
self.assertNotEqual(cookie, nxsession.gen_uniq_id())
o = nxsession.nxsession('cookie=%s' % cookie)
self.failUnless('cookie' in o.params)
self.assertEqual(cookie, o.params['cookie'])
def testConstructorAcceptsCookie(self):
"""Test a cookie paramete is read from vars"""
cookie = nxsession.gen_uniq_id()
time.sleep(1)
# Make sure the id from the generator is now different
self.assertNotEqual(cookie, nxsession.gen_uniq_id())
o = nxsession.nxsession('cookie=%s' % cookie)
self.failUnless('cookie' in o.params)
self.assertEqual(cookie, o.params['cookie'])
def __init__(self, id, args):
"""node_session constructor
Args:
args: The id of the session, followed by all the other
parameters the client requested
"""
self.id = id
self.args = args
self.display = self._gen_disp_num()
self.hostname = socket.getfqdn()
self.full_id = "%s-%s-%s" % (self.hostname, self.display, self.id)
self.cookie = nxsession.gen_uniq_id()
self.dir = os.path.join('/tmp/nx', 'S-%s' % self.full_id)
# FIXME(diamond): needs error checking, maybe different mode
os.makedirs(self.dir, 0755)
self.opts_file_path = os.path.join(self.dir, 'options')
self.args_file_path = os.path.join(self.dir, 'args')
self.application = self.args.get('application')
self.user = pwd.getpwuid(os.getuid())[0]
self.name = self.args.get('session',
"%s:%s" % (self.hostname, self.display))
self.keyboard = self.args.get('keyboard', 'pc105/gb')
self.geometry = self.args.get('geometry', '640x480')
self.client = self.args.get('client', 'unknown')
self.link = self.args.get('link', 'isdn')
self.fullscreen = self.args.get('fullscreen', '0')
# DEBUG, FIXME(diamond): all of these
self.type = self.args.get('type', 'unix-default')
self.options = '-----PSA' # FIXME(diamond): see note in self.info()
self.depth = 24
self.resolution = "640x480"
# FIXME(diamond): Not ipv6 compatible
self.proxyip = socket.gethostbyname(self.hostname)
self.ssl = 1
# End DEBUG/FIXME(diamond)
if self.type == 'unix-application':
assert (self.application)
self.mode = '-R' # Run nxagent in rootless mode
else:
self.mode = '-D' # Run nxagent in desktop mode
# We need to write the type without the 'unix-' prefix for nxagent.
if self.type.startswith('unix-'):
self.shorttype = self.type.split('-', 1)[1]
else:
self.shorttype = self.type
self._write_args()
self._write_opts()
def __init__(self, id, args):
"""node_session constructor
Args:
args: The id of the session, followed by all the other
parameters the client requested
"""
self.id = id
self.args = args
self.display = self._gen_disp_num()
self.hostname = socket.getfqdn()
self.full_id = "%s-%s-%s" % (self.hostname, self.display, self.id)
self.cookie = nxsession.gen_uniq_id()
self.dir = os.path.join('/tmp/nx', 'S-%s' % self.full_id)
#FIXME(diamond): needs error checking, maybe different mode
os.makedirs(self.dir, 0755)
self.opts_file_path = os.path.join(self.dir, 'options')
self.args_file_path = os.path.join(self.dir, 'args')
self.application = self.args.get('application')
self.user = pwd.getpwuid(os.getuid())[0]
self.name = self.args.get('session', "%s:%s" % (self.hostname, self.display))
self.keyboard = self.args.get('keyboard', 'pc105/gb')
self.geometry = self.args.get('geometry', '640x480')
self.client = self.args.get('client', 'unknown')
self.link = self.args.get('link', 'isdn')
self.fullscreen = self.args.get('fullscreen', '0')
#DEBUG, FIXME(diamond): all of these
self.type = self.args.get('type', 'unix-default')
self.options = '-----PSA' #FIXME(diamond): see note in self.info()
self.depth = 24
self.resolution = "640x480"
#FIXME(diamond): Not ipv6 compatible
self.proxyip = socket.gethostbyname(self.hostname)
self.ssl = 1
#End DEBUG/FIXME(diamond)
if self.type == 'unix-application':
assert(self.application)
self.mode = '-R' # Run nxagent in rootless mode
else:
self.mode = '-D' # Run nxagent in desktop mode
# We need to write the type without the 'unix-' prefix for nxagent.
if self.type.startswith('unix-'):
self.shorttype = self.type.split('-', 1)[1]
else:
self.shorttype = self.type
self._write_args()
self._write_opts()
def _nx_startsession_handler(self, command):
"""Handle the startsession NX command.
'startsession' seems to request a new session be started.
It requires parameters be specified. The following parameters have
been seen.
'--link="lan"'
'--backingstore="1"'
'--encryption="1"'
'--cache="16M"'
'--images="64M"'
'--shmem="1"'
'--shpix="1"'
'--strict="0"'
'--composite="1"'
'--media="0"'
'--session="localtest"'
'--type="unix-gnome"'
'--geometry="3840x1150"'
'--client="linux"'
'--keyboard="pc102/gb"'
'--screeninfo="3840x1150x24+render"'
Experiments with this command by directly invoked nxserver have not
worked, as it refuses to create a session saying the unencrypted sessions
are not supported. This is independent of whether the --encryption option
has been set, so probably is related to the fact the nxserver has not
been launched by sshd.
Args:
command: The NX command and arguments invoked
Returns:
None
"""
# Basic checking of the right status
if self.status < self.STATUS_LOGGEDIN:
self.prompt(
554, 'Error: the command \'%s\' cannot '
'be called before login' % command[0])
return
# Make sure the state is consistent
assert (hasattr(self, 'username'))
# Ask for parameters if none have been given
if len(command) > 1:
parameters = command[1:]
else:
self.prompt(106, 'Parameters: ', override_newline=False)
response = self.input.readline()
self.write('') # Do newline after parameters.
parameters = response.split()
# Check the parameters fit with the expected syntax
for param in parameters:
key, val = self._parse_param(param)
# FIXME(diamond): DO something with the params.
# FIXME(diamond): Start the session.
if not hasattr(self, 'nxnode_commfd'):
nxlog.log(nxlog.LOG_ERR, 'Nxserver does not have an nxnode yet.')
return
# Send the command to the connected nxnode running
# FIXME(diamond): Convert the arguments to the form expected by nxnode.
sess_id = nxsession.gen_uniq_id()
self.write('startsession %s %s' % (sess_id, " ".join(parameters)),
fd=self.nxnode_wfile)
if self.daemonize():
# Two threads return here, one connected to the client, one connected to
# nxnode.
self.running = False
return
start_waiting = time.time()
wait_time = 30 #FIXME(diamond): make configurable
while True:
if time.time() - start_waiting > wait_time:
nxlog.log(
nxlog.LOG_ERR, "Session %s has not appeared in session db "
"within %d seconds\n" % (sess_id, wait_time))
sys.exit(1)
#FIXME(diamond): raise proper error
sessions = nxsession.db_find_sessions(id=sess_id)
if len(sessions) == 1:
sess = sessions[0]
nxlog.log(
nxlog.LOG_DEBUG,
"Session %s has appeared in session db\n" %
sess.params['full_id'])
break
elif len(sessions) > 1:
nxlog.log(
nxlog.LOG_DEBUG, "Multiple sessions matching %d have been "
"found in the session db: %r\n" % sess_id)
#FIXME(diamond): raise proper error
break
else:
time.sleep(1)
self.__print_sess_info(sess)
start_waiting = time.time()
wait_time = 30 #FIXME(diamond): make configurable
while True:
if time.time() - start_waiting > wait_time:
nxlog.log(
nxlog.LOG_ERR,
"Session %s has not achieved running status "
"within %d seconds\n" % (sess_id, wait_time))
sys.exit(1)
#FIXME(diamond): raise proper error
sess.reload()
if sess.params['state'] == 'starting':
break
elif sess.params['state'] in ['terminating', 'terminated']:
nxlog.log(
nxlog.LOG_ERR, "Session %(full_id)s has status "
"'%(state)s', exiting." % sess.params)
self.prompt(
500, "Error: Session %(full_id)s has status '%(state)s'." %
sess.params)
self.prompt(999, "Bye.")
self.running = False
return
#FIXME(diamond): raise proper error
else:
time.sleep(1)
self.prompt(710, 'Session status: %s' % sess.params['state'])
#FIXME(diamond): use configurable offset
self.port = int(sess.params['display']) + 4000
def testGetUniqId(self):
"""Test case for nxsession.gen_uniq_id function"""
self.failUnless(nxsession.gen_uniq_id())
def _nx_startsession_handler(self, command):
"""Handle the startsession NX command.
'startsession' seems to request a new session be started.
It requires parameters be specified. The following parameters have
been seen.
'--link="lan"'
'--backingstore="1"'
'--encryption="1"'
'--cache="16M"'
'--images="64M"'
'--shmem="1"'
'--shpix="1"'
'--strict="0"'
'--composite="1"'
'--media="0"'
'--session="localtest"'
'--type="unix-gnome"'
'--geometry="3840x1150"'
'--client="linux"'
'--keyboard="pc102/gb"'
'--screeninfo="3840x1150x24+render"'
Experiments with this command by directly invoked nxserver have not
worked, as it refuses to create a session saying the unencrypted sessions
are not supported. This is independent of whether the --encryption option
has been set, so probably is related to the fact the nxserver has not
been launched by sshd.
Args:
command: The NX command and arguments invoked
Returns:
None
"""
# Basic checking of the right status
if self.status < self.STATUS_LOGGEDIN:
self.prompt(554, 'Error: the command \'%s\' cannot '
'be called before login' % command[0])
return
# Make sure the state is consistent
assert(hasattr(self, 'username'))
# Ask for parameters if none have been given
if len(command) > 1:
parameters = command[1:]
else:
self.prompt(106, 'Parameters: ', override_newline=False)
response = self.input.readline()
self.write('') # Do newline after parameters.
parameters = response.split()
# Check the parameters fit with the expected syntax
for param in parameters:
key,val = self._parse_param(param)
# FIXME(diamond): DO something with the params.
# FIXME(diamond): Start the session.
if not hasattr(self, 'nxnode_commfd'):
nxlog.log(nxlog.LOG_ERR, 'Nxserver does not have an nxnode yet.')
return
# Send the command to the connected nxnode running
# FIXME(diamond): Convert the arguments to the form expected by nxnode.
sess_id = nxsession.gen_uniq_id()
self.write('startsession %s %s' %
(sess_id, " ".join(parameters)), fd=self.nxnode_wfile)
if self.daemonize():
# Two threads return here, one connected to the client, one connected to
# nxnode.
self.running = False
return
start_waiting = time.time()
wait_time = 30 #FIXME(diamond): make configurable
while True:
if time.time() - start_waiting > wait_time:
nxlog.log(nxlog.LOG_ERR, "Session %s has not appeared in session db "
"within %d seconds\n" % (sess_id, wait_time))
sys.exit(1)
#FIXME(diamond): raise proper error
sessions = nxsession.db_find_sessions(id=sess_id)
if len(sessions) == 1:
sess = sessions[0]
nxlog.log(nxlog.LOG_DEBUG, "Session %s has appeared in session db\n" %
sess.params['full_id'])
break
elif len(sessions) > 1:
nxlog.log(nxlog.LOG_DEBUG, "Multiple sessions matching %d have been "
"found in the session db: %r\n" % sess_id)
#FIXME(diamond): raise proper error
break
else:
time.sleep(1)
self.__print_sess_info(sess)
start_waiting = time.time()
wait_time = 30 #FIXME(diamond): make configurable
while True:
if time.time() - start_waiting > wait_time:
nxlog.log(nxlog.LOG_ERR, "Session %s has not achieved running status "
"within %d seconds\n" % (sess_id, wait_time))
sys.exit(1)
#FIXME(diamond): raise proper error
sess.reload()
if sess.params['state'] == 'starting':
break
elif sess.params['state'] in ['terminating', 'terminated']:
nxlog.log(nxlog.LOG_ERR, "Session %(full_id)s has status "
"'%(state)s', exiting." % sess.params)
self.prompt(500, "Error: Session %(full_id)s has status '%(state)s'." %
sess.params)
self.prompt(999, "Bye.")
self.running = False
return
#FIXME(diamond): raise proper error
else:
time.sleep(1)
self.prompt(710, 'Session status: %s' % sess.params['state'])
#FIXME(diamond): use configurable offset
self.port = int(sess.params['display']) + 4000
def testGetUniqId(self):
"""Test case for nxsession.gen_uniq_id function"""
self.failUnless(nxsession.gen_uniq_id())
