The branch, release/0.4.0.x has been updated via f305e1f4d7f9465d52990a1938e4323cccc7bf86 (commit) from 76ef55a968c001b62890acb37bad29cf203fe0bd (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: debian/changelog | 1 + x2go/backends/control/_stdout.py | 16 ++++++++++++++-- x2go/cache.py | 11 +++++++++++ x2go/client.py | 25 ++++++++++++------------- x2go/registry.py | 32 +++++++++++++++++--------------- x2go/session.py | 10 ++++++---- 6 files changed, 61 insertions(+), 34 deletions(-) The diff of changes is: diff --git a/debian/changelog b/debian/changelog index d20d79d..3776aa4 100644 --- a/debian/changelog +++ b/debian/changelog @@ -3,6 +3,7 @@ python-x2go (0.0.36-0~nwt1) lucid maverick testing unstable; urgency=low * fixed non-starting sshfs issue * made XServer VcXsrv known to Python X2go (relevant for Windows) * catching forward tunnel setup failure by session and client hook method + * improved handling of network failures (i.e. when triggering disconnect events) -- Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Thu, 20 Jan 2011 23:00:00 +0100 diff --git a/x2go/backends/control/_stdout.py b/x2go/backends/control/_stdout.py index dd9af27..370b9ff 100644 --- a/x2go/backends/control/_stdout.py +++ b/x2go/backends/control/_stdout.py @@ -139,6 +139,8 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient): utils.touch_file(self.known_hosts) self.load_host_keys(self.known_hosts) + self.session_died = False + def __del__(self): self.disconnect() @@ -182,10 +184,13 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient): _retval = self.exec_command(_rewrite_password(cmd, user=self.get_transport().get_username(), password=self._session_password), **kwargs) self.locked = False except AttributeError: + self.session_died = True raise x2go_exceptions.X2goControlSessionException('the X2go control session has died unexpectedly') except EOFError: + self.session_died = True raise x2go_exceptions.X2goControlSessionException('the X2go control session has died unexpectedly') except gevent.timeout.Timeout: + self.session_died = True raise x2go_exceptions.X2goControlSessionException('the X2go control session command timed out') finally: self.locked = False @@ -392,6 +397,8 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient): ssh_transport._x2go_session_marker = True self._session_password = password + if self.get_transport(): + self.session_died = False return (self.get_transport() is not None) def dissociate(self, terminal_session): @@ -414,7 +421,8 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient): t_names = self.associated_terminals.keys() for t_obj in self.associated_terminals.values(): try: - t_obj.suspend() + if not self.session_died: + t_obj.suspend() except x2go_exceptions.X2goTerminalSessionException: pass except x2go_exceptions.X2goControlSessionException: @@ -436,10 +444,14 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient): try: if self.get_transport() is not None: + still_active = self.get_transport().is_active() self.get_transport().close() + return still_active + return False except AttributeError: # if the Paramiko _transport object has not yet been initialized, ignore it - pass + # but state that this method call did not close the SSH client, but was already closed + return False def is_alive(self): if self._x2go_exec_command('echo', loglevel=log.loglevel_DEBUG): diff --git a/x2go/cache.py b/x2go/cache.py index 2a41b8c..57dc8b7 100644 --- a/x2go/cache.py +++ b/x2go/cache.py @@ -60,8 +60,19 @@ class X2goListSessionsCache(object): self.client_instance = client_instance + def delete(self, profile_name): + """\ + STILL UNDOCUMENTED + + """ + try: del self.x2go_listsessions_cache[profile_name] + except KeyError: pass + def check_cache(self): + """\ + STILL UNDOCUMENTED + """ for profile_name in self.x2go_listsessions_cache.keys(): if profile_name not in self.client_instance.client_connected_profiles(return_profile_names=True): del self.x2go_listsessions_cache[profile_name] diff --git a/x2go/client.py b/x2go/client.py index d5b2078..855187d 100644 --- a/x2go/client.py +++ b/x2go/client.py @@ -1192,8 +1192,8 @@ class X2goClient(object): return self.session_registry(session_uuid).is_alive() except x2go_exceptions.X2goControlSessionException: profile_name = self.get_session_profile_name(session_uuid) - self.HOOK_on_control_session_death(profile_name) - self.disconnect_profile(profile_name) + if self.disconnect_profile(profile_name): + self.HOOK_on_control_session_death(profile_name) return False __server_is_alive = server_is_alive @@ -1494,10 +1494,12 @@ class X2goClient(object): @param profile_name: the X2go session profile name @type profile_name: C{str} """ + _retval = False for s in self.session_registry.registered_sessions_of_profile_name(profile_name, return_objects=True): - s.disconnect() + _retval = s.disconnect() | _retval if self.use_listsessions_cache: - self.__update_cache_all_profiles() + self.listsessions_cache.delete(profile_name) + return _retval __disconnect_profile = disconnect_profile def update_sessionregistry_status_by_profile_name(self, profile_name, session_list=None): @@ -1515,9 +1517,8 @@ class X2goClient(object): try: self.session_registry.update_status(profile_name=profile_name, session_list=session_list) except x2go_exceptions.X2goControlSessionException: - self.disconnect_profile(profile_name) - self.HOOK_on_control_session_death(profile_name) - return False + if self.disconnect_profile(profile_name): + self.HOOK_on_control_session_death(profile_name) __update_sessionregistry_status_by_profile_name = update_sessionregistry_status_by_profile_name @@ -1550,9 +1551,8 @@ class X2goClient(object): try: self.listsessions_cache.update(profile_name) except x2go_exceptions.X2goControlSessionException: - self.disconnect_profile(profile_name) - self.HOOK_on_control_session_death(profile_name) - return False + if self.disconnect_profile(profile_name): + self.HOOK_on_control_session_death(profile_name) __update_cache_by_profile_name = update_cache_by_profile_name def update_cache_by_session_uuid(self, session_uuid): @@ -1589,9 +1589,8 @@ class X2goClient(object): try: self.session_registry.register_available_server_sessions(profile_name, session_list=session_list) except x2go_exceptions.X2goControlSessionException: - self.disconnect_profile(profile_name) - self.HOOK_on_control_session_death(profile_name) - return False + if self.disconnect_profile(profile_name): + self.HOOK_on_control_session_death(profile_name) __register_available_server_sessions_by_profile_name = register_available_server_sessions_by_profile_name def register_available_server_sessions_by_session_uuid(self, session_uuid): diff --git a/x2go/registry.py b/x2go/registry.py index cb3a343..7a17017 100644 --- a/x2go/registry.py +++ b/x2go/registry.py @@ -179,23 +179,25 @@ class X2goSessionRegistry(object): elif _last_status['running'] == False and _current_status['running'] == True: # session has started - if self(_session_uuid).has_terminal_session(): - if _last_status['suspended']: - # from a suspended state - self.client_instance.HOOK_on_session_has_resumed_by_me(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) + if _last_status['connected']: + if self(_session_uuid).has_terminal_session(): + if _last_status['suspended']: + # from a suspended state + self.client_instance.HOOK_on_session_has_resumed_by_me(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) + else: + # as a new session + self.client_instance.HOOK_on_session_has_started_by_me(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) else: - # as a new session - self.client_instance.HOOK_on_session_has_started_by_me(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) + if _last_status['suspended']: + # from a suspended state + self.client_instance.HOOK_on_session_has_resumed_by_other(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) + else: + # as a new session + self.client_instance.HOOK_on_session_has_started_by_other(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) else: - if not _last_status['connected']: - # from a suspended state - self.client_instance.HOOK_on_found_session_running_after_connect(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) - elif _last_status['suspended']: - # from a suspended state - self.client_instance.HOOK_on_session_has_resumed_by_other(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) - else: - # as a new session - self.client_instance.HOOK_on_session_has_started_by_other(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) + # from a suspended state + self.client_instance.HOOK_on_found_session_running_after_connect(session_uuid=_session_uuid, profile_name=_profile_name, session_name=_session_name) + elif _last_status['suspended'] == False and _current_status['suspended'] == True: # session has been suspended self(_session_uuid).session_cleanup() diff --git a/x2go/session.py b/x2go/session.py index 158fc6a..4978727 100644 --- a/x2go/session.py +++ b/x2go/session.py @@ -520,11 +520,11 @@ class X2goSession(object): STILL UNDOCUMENTED """ - self.control_session.disconnect() self.connected = False self.running = None self.suspended = None self.terminated = None + return self.control_session.disconnect() __disconnect = disconnect def set_print_action(self, print_action, **kwargs): @@ -564,9 +564,11 @@ class X2goSession(object): STILL UNDOCUMENTED """ - if not self.is_alive(): - self._X2goSession__disconnect() - return self.control_session.list_sessions(raw=raw) + try: + return self.control_session.list_sessions(raw=raw) + except x2go_exceptions.X2goControlSessionException: + self._X2goSession_disconnect() + return None __list_sessions = list_sessions def update_status(self, session_list=None): hooks/post-receive -- python-x2go.git (Python X2Go Client API) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "python-x2go.git" (Python X2Go Client API).