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Package common :: Package xmpp :: Module client_nb :: Class NonBlockingClient
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Class NonBlockingClient

source code

Client class is XMPP connection mountpoint. Objects for authentication, network communication, roster, xml parsing ... are plugged to client object. Client implements the abstract behavior - mostly negotioation and callbacks handling, whereas underlying modules take care of feature-specific logic
Instance Methods [hide private]
 
__init__(self, domain, idlequeue, caller=None)
Caches connection data		 source code
 
disconnect(self, message='')
Called on disconnection - disconnect callback is picked based on state of the client.		 source code
 
connect(self, on_connect, on_connect_failure, hostname=None, port=5222, on_proxy_failure=None, proxy=None, secure_tuple=('plain', None, None))
Open XMPP connection (open XML streams in both directions)		 source code
 
_resolve_hostname(self, hostname, port, on_success)
Wrapper for getaddinfo call		 source code
 
_try_next_ip(self, err_message=None)
Iterate over IP addresses tries to connect to it		 source code
 
incoming_stream_version(self)
Get version of xml stream		 source code
 
_xmpp_connect(self, socket_type=None)
Start XMPP connecting process - open the XML stream.		 source code
 
_xmpp_connect_machine(self, mode=None, data=None)
Finite automaton taking care of stream opening and features tag handling.		 source code
 
_on_stream_start(self)
Called after XMPP stream is opened.		 source code
 
_tls_negotiation_handler(self, con=None, tag=None)
Take care of TLS negotioation with <starttls>		 source code
 
_on_connect(self)
Preceed call of on_connect callback		 source code
 
raise_event(self, event_type, data)
Raise event to connection instance.		 source code
 
auth(self, user, password, resource='', sasl=True, on_auth=None)
Authenticate connnection and bind resource.		 source code
 
_on_old_auth(self, res)
Callback used by NON-SASL auth.		 source code
 
_on_sasl_auth(self, res)
Used internally.		 source code
 
_on_doc_attrs(self)
Plug authentication objects and start auth		 source code
 
_on_start_sasl(self, data=None)
Callback used by SASL, called on each auth step		 source code
 
_on_auth_bind(self, data) source code
 
initRoster(self, version='')
Plug in the roster		 source code
 
getRoster(self, on_ready=None, force=False)
Return the Roster instance, previously plugging it in and requesting roster from server if needed		 source code
 
sendPresence(self, jid=None, typ=None, requestRoster=0)
Send some specific presence state.		 source code
 
RegisterDisconnectHandler(self, handler)
Register handler that will be called on disconnect		 source code
 
UnregisterDisconnectHandler(self, handler)
Unregister handler that is called on disconnect		 source code
 
DisconnectHandler(self)
Default disconnect handler.		 source code
 
get_connect_type(self)
Return connection state.		 source code
 
get_peerhost(self)
Gets the ip address of the account, from which is made connection to the server (e.g.		 source code
Method Details [hide private]

__init__(self, domain, idlequeue, caller=None)
(Constructor)

source code 
Caches connection data
Parameters:
  • domain - domain - for to: attribute (from account info)
  • idlequeue - processing idlequeue
  • caller - calling object - it has to implement methods _event_dispatcher which is called from dispatcher instance

disconnect(self, message='')

source code 
Called on disconnection - disconnect callback is picked based on state of the client.

connect(self, on_connect, on_connect_failure, hostname=None, port=5222, on_proxy_failure=None, proxy=None, secure_tuple=('plain', None, None))

source code 
Open XMPP connection (open XML streams in both directions)
Parameters:
  • on_connect - called after stream is successfully opened
  • on_connect_failure - called when error occures during connection
  • hostname - hostname of XMPP server from SRV request
  • port - port number of XMPP server
  • on_proxy_failure - called if error occurres during TCP connection to proxy server or during proxy connecting process
  • proxy - dictionary with proxy data. It should contain at least values for keys 'host' and 'port' - connection details for proxy serve and optionally keys 'user' and 'pass' as proxy credentials
  • secure_tuple - tuple of (desired connection type, cacerts, mycerts) connection type can be 'ssl' - TLS established after TCP connection, 'tls' - TLS established after negotiation with starttls, or 'plain'. cacerts, mycerts - see tls_nb.NonBlockingTLS constructor for more details

_resolve_hostname(self, hostname, port, on_success)

source code 

Wrapper for getaddinfo call

FIXME: getaddinfo blocks

_try_next_ip(self, err_message=None)

source code 
Iterate over IP addresses tries to connect to it

incoming_stream_version(self)

source code 
Get version of xml stream

_xmpp_connect(self, socket_type=None)

source code 
Start XMPP connecting process - open the XML stream. Is called after TCP connection is established or after switch to TLS when successfully negotiated with <starttls>.

_xmpp_connect_machine(self, mode=None, data=None)

source code 
Finite automaton taking care of stream opening and features tag handling. Calls _on_stream_start when stream is started, and disconnect() on failure.

_on_stream_start(self)

source code 
Called after XMPP stream is opened. TLS negotiation may follow if supported and desired.

_tls_negotiation_handler(self, con=None, tag=None)

source code 
Take care of TLS negotioation with <starttls>

_on_connect(self)

source code 
Preceed call of on_connect callback

raise_event(self, event_type, data)

source code 
Raise event to connection instance. DATA_SENT and DATA_RECIVED events are used in XML console to show XMPP traffic

auth(self, user, password, resource='', sasl=True, on_auth=None)

source code 
Authenticate connnection and bind resource. If resource is not provided random one or library name used
Parameters:
  • user - XMPP username
  • password - XMPP password
  • resource - resource that shall be used for auth/connecting
  • sasl - Boolean indicating if SASL shall be used. (default: True)
  • on_auth - Callback, called after auth. On auth failure, argument is None.

_on_old_auth(self, res)

source code 
Callback used by NON-SASL auth. On auth failure, res is None

_on_sasl_auth(self, res)

source code 
Used internally. On auth failure, res is None

_on_doc_attrs(self)

source code 
Plug authentication objects and start auth

_on_start_sasl(self, data=None)

source code 
Callback used by SASL, called on each auth step

_on_auth_bind(self, data)

source code 

initRoster(self, version='')

source code 
Plug in the roster

getRoster(self, on_ready=None, force=False)

source code 
Return the Roster instance, previously plugging it in and requesting roster from server if needed

sendPresence(self, jid=None, typ=None, requestRoster=0)

source code 
Send some specific presence state. Can also request roster from server if according agrument is set

RegisterDisconnectHandler(self, handler)

source code 
Register handler that will be called on disconnect

UnregisterDisconnectHandler(self, handler)

source code 
Unregister handler that is called on disconnect

DisconnectHandler(self)

source code 
Default disconnect handler. Just raises an IOError. If you choosed to use this class in your production client, override this method or at least unregister it.

get_connect_type(self)

source code 
Return connection state. F.e.: None / 'tls' / 'plain+non_sasl'

get_peerhost(self)

source code 

Gets the ip address of the account, from which is made connection to the server (e.g. IP and port of gajim's socket)

We will create listening socket on the same ip


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