Documentation update

__init__.py

@@ -15,12 +15,15 @@ socket_protocol (Socket Protocol)
 
 **Submodules:**
 
-* :class:`socket_protocol.struct_json_protocol`
 * :class:`socket_protocol.pure_json_protocol`
+* :class:`socket_protocol.struct_json_protocol`
 
 **Unittest:**
 
-        See also the :download:`unittest <../../socket_protocol/_testresults_/unittest.pdf>` documentation.
+        See also the :download:`unittest <../pylibs/socket_protocol/_testresults_/unittest.pdf>` documentation.
+
+**Module Documentation:**
+
 """
 __DEPENDENCIES__ = ['stringtools']
 
@@ -43,14 +46,14 @@ except ImportError:
 logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
 
 
-__DESCRIPTION__ = """The Module {\\tt %s} is designed to pack and unpack data for serial transportation.
+__DESCRIPTION__ = """The Module {\\tt %s} is designed for point to point communication for client-server issues.
 For more Information read the sphinx documentation.""" % __name__.replace('_', '\_')
 """The Module Description"""
 __INTERPRETER__ = (2, 3)
 """The Tested Interpreter-Versions"""
 
 
-class callback_storage(dict):
+class _callback_storage(dict):
     DEFAULT_CHANNEL_NAME = 'all_others'
 
     def __init__(self, channel_name):
@@ -95,6 +98,19 @@ class callback_storage(dict):
 
 
 class data_storage(dict):
+    """
+    :param status: The message status.
+    :type status: int
+    :param service_id: The Service-ID.
+    :type service_id: int
+    :param data_id: The Data-ID.
+    :type data_id: int
+    :param data: The transfered data.
+    :type data: any
+
+    This is a storage object for socket_protocol messages.
+    """
+
     KEY_STATUS = 'status'
     KEY_SERVICE_ID = 'service_id'
     KEY_DATA_ID = 'data_id'
@@ -104,69 +120,108 @@ class data_storage(dict):
         dict.__init__(self, *args, **kwargs)
 
     def get_status(self, default=None):
+        """
+        :param default: The default value, if no data is available.
+
+        This Method returns the message status.
+        """
         return self.get(self.KEY_STATUS, default)
 
     def get_service_id(self, default=None):
+        """
+        :param default: The default value, if no data is available.
+
+        This Method returns the message Service-ID.
+        """
         return self.get(self.KEY_SERVICE_ID, default)
 
     def get_data_id(self, default=None):
+        """
+        :param default: The default value, if no data is available.
+
+        This Method returns the message Data-ID.
+        """
         return self.get(self.KEY_DATA_ID, default)
 
     def get_data(self, default=None):
+        """
+        :param default: The default value, if no data is available.
+
+        This Method returns the message data.
+        """
         return self.get(self.KEY_DATA, default)
 
 
-class struct_json_protocol(object):
+class pure_json_protocol(object):
     """
-    :param comm_instance: a communication instance supportin at least these functions: :func:`register_callback`, :func:`register_disconnect_callback`, :func:`send`.
+    :param comm_instance: A communication instance.
     :type comm_instance: instance
-    :param secret: A secret (e.g. created by ``binascii.hexlify(os.urandom(24))``).
+    :param secret: An optinal secret (e.g. created by ``binascii.hexlify(os.urandom(24))``).
     :type secret: str
+    :param auto_auth: An optional parameter (True) to enable automatic authentification, otherwise you need to do it manually, if needed.
+    :type auto_auth: bool
+    :param channel_name: An optional parameter to set a channel name for logging of the communication.
+    :type channel_name: str
 
-    This communication protocol supports to transfer a Service-ID, Data-ID and Data. The transmitted data is shorter than :class:`pure_json_protocol`.
+    .. hint:: This `class` supports to transfer a Service-ID, Data-ID and Data.
 
-    .. note::
-        This class is here for compatibility reasons. Usage of :class:`pure_json_protocol` is recommended.
+        * The Service-ID is designed to identify the type of the communication (e.g. READ_REQUEST, WRITE_REQUEST, READ_RESPONSE, WRITE_RESPONSE, ...)
+        * The Data-ID is designed to identify the requests / responses using the same Service_ID.
 
-    **Example:**
+    .. note:: The :class:`comm_instance` needs to have at least the following interface:
 
-    Server:
+        * A Method :func:`comm_instance.init_channel_name` to set the channel name if needed.
+        * A Constant :const:`comm_instance.IS_CLIENT` to identify that the :class:`comm_instance` is a client (True) or a server (False).
+        * A Method :func:`comm_instance.is_connected` to identify if the instance is connected (True) or not (False).
+        * A Method :func:`comm_instance.reconnect` to initiate a reconnect.
+        * A Method :func:`comm_instance.register_callback` to register a data available callback.
+        * A Method :func:`comm_instance.register_connect_callback` to register a connect callback.
+        * A Method :func:`comm_instance.register_disconnect_callback` to register a disconnect callback.
+        * A Method :func:`comm_instance.send` to send data via the :class:`comm_instance`.
 
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__struct_json_protocol_server.py
+    .. note::  The parameter :const:`auto_auth` is only relevant, if a secret is given and the :class:`comm_instance` is a client. The authentification is initiated directly after the connection is established.
 
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__struct_json_protocol_server.log
+    .. note::  The :const:`channel_name`-exchange will be initiated by the client directly after the the connection is established.
 
-
-    Client:
-
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__struct_json_protocol_client.py
-
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__struct_json_protocol_client.log
+        * If a channel_name is given at both communication sides and they are different, the client name is taken over and the server will log a warning message.
     """
     DEFAULT_CHANNEL_NAME = 'all_others'
 
     SID_AUTH_SEED_REQUEST = 1
+    """SID for requesting a seed for authentification"""
     SID_AUTH_KEY_REQUEST = 2
+    """SID for requesting a key for the given seed"""
     SID_AUTH_KEY_CHECK_REQUEST = 3
+    """SID for request for checking a key"""
     SID_AUTH_KEY_CHECK_RESPONSE = 4
+    """SID for the authentification response"""
     SID_CHANNEL_NAME_REQUEST = 5
+    """SID for requesting a channel name exchange"""
     SID_CHANNEL_NAME_RESPONSE = 6
+    """SID for the channel name response"""
     SID_READ_REQUEST = 10
+    """SID for a read data request"""
     SID_READ_RESPONSE = 11
+    """SID for read data response"""
     SID_WRITE_REQUEST = 20
+    """SID for a write data request"""
     SID_WRITE_RESPONSE = 21
+    """SID for a write data response"""
     SID_EXECUTE_REQUEST = 30
+    """SID for a execute request"""
     SID_EXECUTE_RESPONSE = 31
+    """SID for a execute response"""
 
-    SID_RESPONSE_DICT = {SID_AUTH_SEED_REQUEST: SID_AUTH_KEY_REQUEST,
+    SID__RESPONSE_DICT = {SID_AUTH_SEED_REQUEST: SID_AUTH_KEY_REQUEST,
                           SID_AUTH_KEY_REQUEST: SID_AUTH_KEY_CHECK_REQUEST,
                           SID_AUTH_KEY_CHECK_REQUEST: SID_AUTH_KEY_CHECK_RESPONSE,
                           SID_CHANNEL_NAME_REQUEST: SID_CHANNEL_NAME_RESPONSE,
                           SID_READ_REQUEST: SID_READ_RESPONSE,
                           SID_WRITE_REQUEST: SID_WRITE_RESPONSE,
                           SID_EXECUTE_REQUEST: SID_EXECUTE_RESPONSE}
+    """Dictionary to get the SID for the response by the key which is the SID for the request"""
 
-    SID_AUTH_LIST = [
+    SID__NO_AUTH_LIST = [
         SID_AUTH_SEED_REQUEST,
         SID_AUTH_KEY_REQUEST,
         SID_AUTH_KEY_CHECK_REQUEST,
@@ -174,37 +229,51 @@ class struct_json_protocol(object):
         SID_CHANNEL_NAME_REQUEST,
         SID_CHANNEL_NAME_RESPONSE
     ]
+    """List of SIDs without need of an authentification"""
 
     STATUS_OKAY = 0
+    """Status for 'okay'"""
     STATUS_BUFFERING_UNHANDLED_REQUEST = 1
+    """Status for 'unhandled request'"""
     STATUS_AUTH_REQUIRED = 2
+    """Status for 'authentification is required'"""
     STATUS_SERVICE_OR_DATA_UNKNOWN = 3
+    """Status for 'service or data unknown'"""
     STATUS_CHECKSUM_ERROR = 4
+    """Status for 'checksum error'"""
     STATUS_OPERATION_NOT_PERMITTED = 5
-    STATUS_NAMES = {STATUS_OKAY: 'Okay',
+    """Status for 'operation not permitted'"""
+    STATUS__NAMES = {STATUS_OKAY: 'Okay',
                      STATUS_BUFFERING_UNHANDLED_REQUEST: 'Request has no callback. Data buffered.',
                      STATUS_AUTH_REQUIRED: 'Authentification required',
                      STATUS_SERVICE_OR_DATA_UNKNOWN: 'Service or Data unknown',
                      STATUS_CHECKSUM_ERROR: 'Checksum Error',
                      STATUS_OPERATION_NOT_PERMITTED: 'Operation not permitted'}
+    """Status names for previous defined states"""
 
     AUTH_STATE_UNKNOWN_CLIENT = 0
+    """Authentification Status for 'Unknown Client'"""
     AUTH_STATE_SEED_REQUESTED = 1
+    """Authentification Status for 'Seed was requested'"""
     AUTH_STATE_SEED_TRANSFERRED = 2
+    """Authentification Status for 'Seed has been sent'"""
     AUTH_STATE_KEY_TRANSFERRED = 3
+    """Authentification Status for 'Key has been sent'"""
     AUTH_STATE_TRUSTED_CLIENT = 4
-    AUTH_STATUS_NAMES = {AUTH_STATE_UNKNOWN_CLIENT: 'Unknown Client',
+    """Authentification Status for 'Trusted Connection'"""
+    AUTH_STATE__NAMES = {AUTH_STATE_UNKNOWN_CLIENT: 'Unknown Client',
                          AUTH_STATE_SEED_REQUESTED: 'Seed was requested',
                          AUTH_STATE_SEED_TRANSFERRED: 'Seed has been sent',
                          AUTH_STATE_KEY_TRANSFERRED: 'Key has been sent',
-                         AUTH_STATE_TRUSTED_CLIENT: 'Trusted Client'}
+                         AUTH_STATE_TRUSTED_CLIENT: 'Trusted Connection'}
+    """Authentification Status names for previous defined authentification states"""
 
     def __init__(self, comm_instance, secret=None, auto_auth=False, channel_name=None):
         self.__comm_inst__ = comm_instance
         self.__secret__ = secret
         self.__auto_auth__ = auto_auth
         #
-        self.__callbacks__ = callback_storage(channel_name)
+        self.__callbacks__ = _callback_storage(channel_name)
         self.__init_channel_name__(channel_name)
         #
         self.__clean_receive_buffer__()
@@ -220,13 +289,76 @@ class struct_json_protocol(object):
         self.__comm_inst__.register_connect_callback(self.__connection_established__)
         self.__comm_inst__.register_disconnect_callback(self.__authentification_state_reset__)
 
-    def __init_channel_name__(self, channel_name):
-        self.__comm_inst__.init_channel_name(channel_name)
-        self.__callbacks__.init_channel_name(channel_name)
-        if channel_name is None:
-            self.logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__ + '.' + self.DEFAULT_CHANNEL_NAME)
+    def __analyse_frame__(self, frame):
+        if sys.version_info >= (3, 0):
+            return data_storage(json.loads(frame[:-4].decode('utf-8')))
         else:
-            self.logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__ + '.' + channel_name)
+            return data_storage(json.loads(frame[:-4]))
+
+    def __authentificate_check_key__(self, msg):
+        key = msg.get_data()
+        if key == self.__authentificate_salt_and_hash__(self.__seed__):
+            self.__authentification_state__ = self.AUTH_STATE_TRUSTED_CLIENT
+            self.logger.info("%s Got correct key, sending positive authentification feedback", self.__log_prefix__())
+            return self.STATUS_OKAY, True
+        else:
+            self.__authentification_state__ = self.AUTH_STATE_UNKNOWN_CLIENT
+            self.logger.info("%s Got incorrect key, sending negative authentification feedback", self.__log_prefix__())
+            return self.STATUS_OKAY, False
+
+    def __authentificate_create_key__(self, msg):
+        self.logger.info("%s Got seed, sending key for authentification", self.__log_prefix__())
+        self.__authentification_state__ = self.AUTH_STATE_KEY_TRANSFERRED
+        seed = msg.get_data()
+        key = self.__authentificate_salt_and_hash__(seed)
+        return self.STATUS_OKAY, key
+
+    def __authentificate_create_seed__(self, msg):
+        self.logger.info("%s Got seed request, sending seed for authentification", self.__log_prefix__())
+        self.__authentification_state__ = self.AUTH_STATE_SEED_TRANSFERRED
+        if sys.version_info >= (3, 0):
+            self.__seed__ = binascii.hexlify(os.urandom(32)).decode('utf-8')
+        else:
+            self.__seed__ = binascii.hexlify(os.urandom(32))
+        return self.STATUS_OKAY, self.__seed__
+
+    def __authentificate_process_feedback__(self, msg):
+        feedback = msg.get_data()
+        if feedback:
+            self.__authentification_state__ = self.AUTH_STATE_TRUSTED_CLIENT
+            self.logger.info("%s Got positive authentification feedback", self.__log_prefix__())
+        else:
+            self.__authentification_state__ = self.AUTH_STATE_UNKNOWN_CLIENT
+            self.logger.warning("%s Got negative authentification feedback", self.__log_prefix__())
+        return self.STATUS_OKAY, None
+
+    def __authentificate_salt_and_hash__(self, seed):
+        if sys.version_info >= (3, 0):
+            return hashlib.sha512(bytes(seed, 'utf-8') + self.__secret__).hexdigest()
+        else:
+            return hashlib.sha512(seed.encode('utf-8') + self.__secret__.encode('utf-8')).hexdigest()
+
+    def __authentification_state_reset__(self):
+        self.logger.info("%s Resetting authentification state to AUTH_STATE_UNKNOWN_CLIENT", self.__log_prefix__())
+        self.__authentification_state__ = self.AUTH_STATE_UNKNOWN_CLIENT
+
+    def __buffer_received_data__(self, msg):
+        if not msg.get_service_id() in self.__msg_buffer__:
+            self.__msg_buffer__[msg.get_service_id()] = {}
+        if not msg.get_data_id() in self.__msg_buffer__[msg.get_service_id()]:
+            self.__msg_buffer__[msg.get_service_id()][msg.get_data_id()] = []
+        self.__msg_buffer__[msg.get_service_id()][msg.get_data_id()].append(msg)
+        self.logger.debug("%s Message data is stored in buffer and is now ready to be retrieved by receive method", self.__log_prefix__())
+
+    def __build_frame__(self, service_id, data_id, data, status=STATUS_OKAY):
+        data_frame = json.dumps(self.__mk_msg__(status, service_id, data_id, data))
+        if sys.version_info >= (3, 0):
+            data_frame = bytes(data_frame, 'utf-8')
+        checksum = self.__calc_chksum__(data_frame)
+        return data_frame + checksum
+
+    def __calc_chksum__(self, raw_data):
+        return struct.pack('>I', binascii.crc32(raw_data) & 0xffffffff)
 
     @property
     def __channel_name__(self):
@@ -234,24 +366,12 @@ class struct_json_protocol(object):
         if cn != self.DEFAULT_CHANNEL_NAME:
             return cn
 
-    def __log_prefix__(self):
-        return ' SP client:' if self.__comm_inst__.IS_CLIENT else ' SP server:'
-
-    def connected(self):
-        return self.__comm_inst__.is_connected()
-
-    def connection_established(self):
-        return self.connected() and (self.__secret__ is None or self.check_authentification_state())
-
-    def reconnect(self):
-        return self.__comm_inst__.reconnect()
-
-    def __connection_established__(self):
-        self.__clean_receive_buffer__()
-        if not self.__comm_inst__.IS_CLIENT:
-            self.send(self.SID_CHANNEL_NAME_REQUEST, 0, self.__channel_name__)
-        if self.__auto_auth__ and self.__comm_inst__.IS_CLIENT and self.__secret__ is not None:
-            self.authentificate()
+    def __channel_name_response__(self, msg):
+        data = msg.get_data()
+        if self.__channel_name__ is None and data is not None:
+            self.__init_channel_name__(data)
+            self.logger.info('%s channel name is now %s', self.__log_prefix__(), repr(self.__channel_name__))
+        return self.STATUS_OKAY, None
 
     def __channel_name_request__(self, msg):
         data = msg.get_data()
@@ -266,49 +386,12 @@ class struct_json_protocol(object):
                 self.logger.info('%s channel name is now %s', self.__log_prefix__(), repr(self.__channel_name__))
             return self.STATUS_OKAY, None
 
-    def __channel_name_response__(self, msg):
-        data = msg.get_data()
-        if self.__channel_name__ is None and data is not None:
-            self.__init_channel_name__(data)
-            self.logger.info('%s channel name is now %s', self.__log_prefix__(), repr(self.__channel_name__))
-        return self.STATUS_OKAY, None
-
-    def __authentification_state_reset__(self):
-        self.logger.info("%s Resetting authentification state to AUTH_STATE_UNKNOWN_CLIENT", self.__log_prefix__())
-        self.__authentification_state__ = self.AUTH_STATE_UNKNOWN_CLIENT
-
-    def __analyse_frame__(self, frame):
-        status, service_id, data_id = struct.unpack('>III', frame[0:12])
-        if sys.version_info >= (3, 0):
-            data = json.loads(frame[12:-1].decode('utf-8'))
-        else:
-            data = json.loads(frame[12:-1])
-        return self.__mk_msg__(status, service_id, data_id, data)
-
-    def __build_frame__(self, service_id, data_id, data, status=STATUS_OKAY):
-        frame = struct.pack('>III', status, service_id, data_id)
-        if sys.version_info >= (3, 0):
-            frame += bytes(json.dumps(data), 'utf-8')
-            frame += self.__calc_chksum__(frame)
-        else:
-            frame += json.dumps(data)
-            frame += self.__calc_chksum__(frame)
-        return frame
-
-    def __calc_chksum__(self, raw_data):
-        chksum = 0
-        for b in raw_data:
-            if sys.version_info >= (3, 0):
-                chksum ^= b
-            else:
-                chksum ^= ord(b)
-        if sys.version_info >= (3, 0):
-            return bytes([chksum])
-        else:
-            return chr(chksum)
-
     def __check_frame_checksum__(self, frame):
-        return self.__calc_chksum__(frame[:-1]) == frame[-1:]
+        return self.__calc_chksum__(frame[:-4]) == frame[-4:]
+
+    def __clean_receive_buffer__(self):
+        self.logger.debug("%s Cleaning up receive-buffer", self.__log_prefix__())
+        self.__msg_buffer__ = {}
 
     def __data_available_callback__(self, comm_inst):
         frame = comm_inst.receive()
@@ -325,14 +408,14 @@ class struct_json_protocol(object):
                 repr(msg.get_data())
             )
             callback, args, kwargs = self.__callbacks__.get(msg.get_service_id(), msg.get_data_id())
-            if msg.get_service_id() in self.SID_RESPONSE_DICT.keys():
+            if msg.get_service_id() in self.SID__RESPONSE_DICT.keys():
                 #
                 # REQUEST RECEIVED
                 #
-                if self.__secret__ is not None and not self.check_authentification_state() and msg.get_service_id() not in self.SID_AUTH_LIST:
+                if self.__secret__ is not None and not self.check_authentification_state() and msg.get_service_id() not in self.SID__NO_AUTH_LIST:
                     status = self.STATUS_AUTH_REQUIRED
                     data = None
-                    self.logger.warning("%s Received message needs authentification: %s. Sending negative response.", self.__log_prefix__(), self.AUTH_STATUS_NAMES.get(self.__authentification_state__, 'Unknown authentification status!'))
+                    self.logger.warning("%s Received message needs authentification: %s. Sending negative response.", self.__log_prefix__(), self.AUTH_STATE__NAMES.get(self.__authentification_state__, 'Unknown authentification status!'))
                 elif callback is None:
                     self.logger.warning("%s Received message with no registered callback. Sending negative response.", self.__log_prefix__())
                     status = self.STATUS_BUFFERING_UNHANDLED_REQUEST
@@ -343,13 +426,13 @@ class struct_json_protocol(object):
                         status, data = callback(msg, *args, **kwargs)
                     except TypeError:
                         raise TypeError('Check return value of callback function {callback_name} for service_id  {service_id} and data_id {data_id}'.format(callback_name=callback.__name__, service_id=repr(msg.get_service_id()), data_id=repr(msg.get_data_id())))
-                self.send(self.SID_RESPONSE_DICT[msg.get_service_id()], msg.get_data_id(), data, status=status)
+                self.send(self.SID__RESPONSE_DICT[msg.get_service_id()], msg.get_data_id(), data, status=status)
             else:
                 #
                 # RESPONSE RECEIVED
                 #
                 if msg.get_status() not in [self.STATUS_OKAY]:
-                    self.logger.warning("%s Received message has a peculiar status: %s", self.__log_prefix__(), self.STATUS_NAMES.get(msg.get_status(), 'Unknown status response!'))
+                    self.logger.warning("%s Received message has a peculiar status: %s", self.__log_prefix__(), self.STATUS__NAMES.get(msg.get_status(), 'Unknown status response!'))
                 if callback is None:
                     status = self.STATUS_OKAY
                     data = None
@@ -361,83 +444,27 @@ class struct_json_protocol(object):
                     except TypeError:
                         raise TypeError('Check return value of callback function {callback_name} for service_id  {service_id} and data_id {data_id}'.format(callback_name=callback.__name__, service_id=repr(msg.get_service_id()), data_id=repr(msg.get_data_id())))
 
-    def __buffer_received_data__(self, msg):
-        if not msg.get_service_id() in self.__msg_buffer__:
-            self.__msg_buffer__[msg.get_service_id()] = {}
-        if not msg.get_data_id() in self.__msg_buffer__[msg.get_service_id()]:
-            self.__msg_buffer__[msg.get_service_id()][msg.get_data_id()] = []
-        self.__msg_buffer__[msg.get_service_id()][msg.get_data_id()].append(msg)
-        self.logger.debug("%s Message data is stored in buffer and is now ready to be retrieved by receive method", self.__log_prefix__())
+    def __connection_established__(self):
+        self.__clean_receive_buffer__()
+        if not self.__comm_inst__.IS_CLIENT:
+            self.send(self.SID_CHANNEL_NAME_REQUEST, 0, self.__channel_name__)
+        if self.__auto_auth__ and self.__comm_inst__.IS_CLIENT and self.__secret__ is not None:
+            self.authentificate()
 
-    def __clean_receive_buffer__(self):
-        self.logger.debug("%s Cleaning up receive-buffer", self.__log_prefix__())
-        self.__msg_buffer__ = {}
+    def __init_channel_name__(self, channel_name):
+        self.__comm_inst__.init_channel_name(channel_name)
+        self.__callbacks__.init_channel_name(channel_name)
+        if channel_name is None:
+            self.logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__ + '.' + self.DEFAULT_CHANNEL_NAME)
+        else:
+            self.logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__ + '.' + channel_name)
 
-    def receive(self, service_id, data_id, timeout=1):
-        data = None
-        cnt = 0
-        while data is None and cnt < timeout * 10:
-            try:
-                data = self.__msg_buffer__.get(service_id, {}).get(data_id, []).pop(0)
-            except IndexError:
-                data = None
-            cnt += 1
-            time.sleep(0.1)
-        if data is None and cnt >= timeout * 10:
-            self.logger.warning('%s TIMEOUT (%ss): Requested data (service_id: %s; data_id: %s) not in buffer.', self.__log_prefix__(), repr(timeout), repr(service_id), repr(data_id))
-        return data
+    def __log_prefix__(self):
+        return ' SP client:' if self.__comm_inst__.IS_CLIENT else ' SP server:'
 
     def __mk_msg__(self, status, service_id, data_id, data):
         return data_storage({data_storage.KEY_DATA_ID: data_id, data_storage.KEY_SERVICE_ID: service_id, data_storage.KEY_STATUS: status, data_storage.KEY_DATA: data})
 
-    def send(self, service_id, data_id, data, status=STATUS_OKAY, timeout=2, log_lvl=logging.INFO):
-        """
-        :param service_id: The Service-ID for the message. See class definitions starting with ``SERVICE_``.
-        :type service_id: int
-        :param data_id: The Data-ID for the message.
-        :type data_id: int
-        :param data: The data to be transfered. The data needs to be json compatible.
-        :type data: str
-        :param status: The Status for the message. All requests should have ``STATUS_OKAY``.
-        :type status: int
-        :param timeout: The timeout for sending data (e.g. time to establish new connection).
-        :type timeout: float
-        :param rx_log_lvl: The log level to log outgoing TX-data
-        :type rx_log_lvl: int
-        :return: True if data had been sent, otherwise False.
-        :rtype: bool
-
-        This methods sends out a message with the given content.
-        """
-        self.logger.log(log_lvl, '%s TX -> status: %d, service_id: %d, data_id: %d, data: "%s"', self.__log_prefix__(), status, service_id, data_id, repr(data))
-        return self.__comm_inst__.send(self.__build_frame__(service_id, data_id, data, status), timeout=timeout, log_lvl=logging.DEBUG)
-
-    def register_callback(self, service_id, data_id, callback, *args, **kwargs):
-        """
-        :param service_id: The Service-ID for the message. See class definitions starting with ``SID_``.
-        :type service_id: int
-        :param data_id: The Data-ID for the message.
-        :type data_id: int
-        :returns: True, if registration was successfull; False, if registration failed (e.g. existance of a callback for this configuration)
-        :rtype: bool
-
-        This method registers a callback for the given parameters. Givin ``None`` means, that all Service-IDs or all Data-IDs are used.
-        If a message hitting these parameters has been received, the callback will be executed.
-
-        .. note:: The :func:`callback` is priorised in the following order:
-
-            * Callbacks with defined Service-ID and Data-ID.
-            * Callbacks with a defined Data-ID.
-            * Callbacks with a defined Service-ID.
-            * Unspecific Callbacks
-
-        .. note:: The :func:`callback` is executed with these arguments:
-
-            :param msg: A :class:`dict` containing all message information.
-            :returns: status (see class definition starting with ``STATUS_``), response_data (JSON compatible object)
-        """
-        self.__callbacks__.add(service_id, data_id, callback, *args, **kwargs)
-
     def authentificate(self, timeout=2):
         """
         :param timeout: The timeout for the authentification (requesting seed, sending key and getting authentification_feedback).
@@ -472,92 +499,145 @@ class struct_json_protocol(object):
         """
         return self.__authentification_state__ == self.AUTH_STATE_TRUSTED_CLIENT
 
-    def __authentificate_salt_and_hash__(self, seed):
-        if sys.version_info >= (3, 0):
-            return hashlib.sha512(bytes(seed, 'utf-8') + self.__secret__).hexdigest()
-        else:
-            return hashlib.sha512(seed.encode('utf-8') + self.__secret__.encode('utf-8')).hexdigest()
-
-    def __authentificate_create_seed__(self, msg):
-        self.logger.info("%s Got seed request, sending seed for authentification", self.__log_prefix__())
-        self.__authentification_state__ = self.AUTH_STATE_SEED_TRANSFERRED
-        if sys.version_info >= (3, 0):
-            self.__seed__ = binascii.hexlify(os.urandom(32)).decode('utf-8')
-        else:
-            self.__seed__ = binascii.hexlify(os.urandom(32))
-        return self.STATUS_OKAY, self.__seed__
-
-    def __authentificate_create_key__(self, msg):
-        self.logger.info("%s Got seed, sending key for authentification", self.__log_prefix__())
-        self.__authentification_state__ = self.AUTH_STATE_KEY_TRANSFERRED
-        seed = msg.get_data()
-        key = self.__authentificate_salt_and_hash__(seed)
-        return self.STATUS_OKAY, key
-
-    def __authentificate_check_key__(self, msg):
-        key = msg.get_data()
-        if key == self.__authentificate_salt_and_hash__(self.__seed__):
-            self.__authentification_state__ = self.AUTH_STATE_TRUSTED_CLIENT
-            self.logger.info("%s Got correct key, sending positive authentification feedback", self.__log_prefix__())
-            return self.STATUS_OKAY, True
-        else:
-            self.__authentification_state__ = self.AUTH_STATE_UNKNOWN_CLIENT
-            self.logger.info("%s Got incorrect key, sending negative authentification feedback", self.__log_prefix__())
-            return self.STATUS_OKAY, False
-
-    def __authentificate_process_feedback__(self, msg):
-        feedback = msg.get_data()
-        if feedback:
-            self.__authentification_state__ = self.AUTH_STATE_TRUSTED_CLIENT
-            self.logger.info("%s Got positive authentification feedback", self.__log_prefix__())
-        else:
-            self.__authentification_state__ = self.AUTH_STATE_UNKNOWN_CLIENT
-            self.logger.warning("%s Got negative authentification feedback", self.__log_prefix__())
-        return self.STATUS_OKAY, None
-
-
-class pure_json_protocol(struct_json_protocol):
+    def connection_established(self):
         """
-    :param comm_instance: a communication instance supportin at least these functions: :func:`register_callback`, :func:`register_disconnect_callback`, :func:`send`.
-    :type comm_instance: instance
-    :param secret: A secret (e.g. created by ``binascii.hexlify(os.urandom(24))``).
-    :type secret: str
+        :return: True, if the connection is established (incl. authentification, if a secret has been given)
+        :rtype: bool
+        """
+        return self.is_connected() and (self.__secret__ is None or self.check_authentification_state())
 
-    This communication protocol supports to transfer a Service-ID, Data-ID and Data.
+    def is_connected(self):
+        """
+        :return: True if the :class:`comm_instance` is connected, otherwise False..
+        :rtype: bool
 
-    **Example:**
+        This methods returns the return value of :func:`comm_instance.is_connected`.
+        """
+        return self.__comm_inst__.is_connected()
 
-    Server:
+    def receive(self, service_id, data_id, timeout=1):
+        """
+        :param service_id: The Service-ID for the message. See class definitions starting with ``SID_``.
+        :type service_id: int
+        :param data_id: The Data-ID for the message.
+        :type data_id: int
+        :param timeout: The timeout for receiving.
+        :type timeout: float
+        :returns: The received data storage object or None, if no data was received.
+        :rtype: data_storage
+        """
+        data = None
+        cnt = 0
+        while data is None and cnt < timeout * 10:
+            try:
+                data = self.__msg_buffer__.get(service_id, {}).get(data_id, []).pop(0)
+            except IndexError:
+                data = None
+            cnt += 1
+            time.sleep(0.1)
+        if data is None and cnt >= timeout * 10:
+            self.logger.warning('%s TIMEOUT (%ss): Requested data (service_id: %s; data_id: %s) not in buffer.', self.__log_prefix__(), repr(timeout), repr(service_id), repr(data_id))
+        return data
 
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__pure_json_protocol_server.py
+    def reconnect(self):
+        """
+        This methods initiates a reconnect by calling :func:`comm_instance.reconnect`.
+        """
+        return self.__comm_inst__.reconnect()
 
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__pure_json_protocol_server.log
+    def register_callback(self, service_id, data_id, callback, *args, **kwargs):
+        """
+        :param service_id: The Service-ID for the message. See class definitions starting with ``SID_``.
+        :type service_id: int
+        :param data_id: The Data-ID for the message.
+        :type data_id: int
+        :returns: True, if registration was successfull; False, if registration failed (e.g. existance of a callback for this configuration)
+        :rtype: bool
+
+        This method registers a callback for the given parameters. Givin ``None`` means, that all Service-IDs or all Data-IDs are used.
+        If a message hitting these parameters has been received, the callback will be executed.
+
+        .. note:: The :func:`callback` is priorised in the following order:
+
+            * Callbacks with defined Service-ID and Data-ID.
+            * Callbacks with a defined Data-ID.
+            * Callbacks with a defined Service-ID.
+            * Unspecific Callbacks
+
+        .. note:: The :func:`callback` is executed with these arguments:
+
+            :param msg: A :class:`data_storage` object containing all message information.
+            :returns: (:const:`status`, :const:`response_data`)
+
+            * :const:`status`: A status as defined as a constant of this class :const:`STA_*` to be used as status for the response.
+            * :const:`response_data`: A JSON iterable object to be used as data for the response.
+
+        .. note:: Only callbacks defined in :const:`pure_json_protocol.SID__RESPONSE_DICT` will send a response, using a Service-ID given in the dict and the same Data-ID to the client.
+        """
+        self.__callbacks__.add(service_id, data_id, callback, *args, **kwargs)
+
+    def send(self, service_id, data_id, data, status=STATUS_OKAY, timeout=2, log_lvl=logging.INFO):
+        """
+        :param service_id: The Service-ID for the message. See class definitions starting with ``SERVICE_``.
+        :type service_id: int
+        :param data_id: The Data-ID for the message.
+        :type data_id: int
+        :param data: The data to be transfered. The data needs to be json compatible.
+        :type data: str
+        :param status: The Status for the message. All requests should have ``STATUS_OKAY``.
+        :type status: int
+        :param timeout: The timeout for sending data (e.g. time to establish new connection).
+        :type timeout: float
+        :param rx_log_lvl: The log level to log outgoing TX-data
+        :type rx_log_lvl: int
+        :return: True if data had been sent, otherwise False.
+        :rtype: bool
+
+        This methods sends out a message with the given content.
+        """
+        self.logger.log(log_lvl, '%s TX -> status: %d, service_id: %d, data_id: %d, data: "%s"', self.__log_prefix__(), status, service_id, data_id, repr(data))
+        return self.__comm_inst__.send(self.__build_frame__(service_id, data_id, data, status), timeout=timeout, log_lvl=logging.DEBUG)
 
 
-    Client:
+class struct_json_protocol(pure_json_protocol):
+    """
+    This Class has the same functionality like :class:`pure_json_protocol`. The message length is less than for :class:`pure_json_protocol`, but the functionality and compatibility is reduced.
 
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__pure_json_protocol_client.py
-
-    .. literalinclude:: ../../socket_protocol/_examples_/socket_protocol__pure_json_protocol_client.log
+    .. note::
+        This class is depreceated and here for compatibility reasons (to support old clients or servers). Usage of :class:`pure_json_protocol` is recommended.
     """
     def __init__(self, *args, **kwargs):
-        struct_json_protocol.__init__(self, *args, **kwargs)
-
-    def __build_frame__(self, service_id, data_id, data, status=struct_json_protocol.STATUS_OKAY):
-        data_frame = json.dumps(self.__mk_msg__(status, service_id, data_id, data))
-        if sys.version_info >= (3, 0):
-            data_frame = bytes(data_frame, 'utf-8')
-        checksum = self.__calc_chksum__(data_frame)
-        return data_frame + checksum
+        pure_json_protocol.__init__(self, *args, **kwargs)
 
     def __analyse_frame__(self, frame):
+        status, service_id, data_id = struct.unpack('>III', frame[0:12])
         if sys.version_info >= (3, 0):
-            return data_storage(json.loads(frame[:-4].decode('utf-8')))
+            data = json.loads(frame[12:-1].decode('utf-8'))
         else:
-            return data_storage(json.loads(frame[:-4]))
+            data = json.loads(frame[12:-1])
+        return self.__mk_msg__(status, service_id, data_id, data)
+
+    def __build_frame__(self, service_id, data_id, data, status=pure_json_protocol.STATUS_OKAY):
+        frame = struct.pack('>III', status, service_id, data_id)
+        if sys.version_info >= (3, 0):
+            frame += bytes(json.dumps(data), 'utf-8')
+            frame += self.__calc_chksum__(frame)
+        else:
+            frame += json.dumps(data)
+            frame += self.__calc_chksum__(frame)
+        return frame
 
     def __calc_chksum__(self, raw_data):
-        return struct.pack('>I', binascii.crc32(raw_data) & 0xffffffff)
+        chksum = 0
+        for b in raw_data:
+            if sys.version_info >= (3, 0):
+                chksum ^= b
+            else:
+                chksum ^= ord(b)
+        if sys.version_info >= (3, 0):
+            return bytes([chksum])
+        else:
+            return chr(chksum)
 
     def __check_frame_checksum__(self, frame):
-        return self.__calc_chksum__(frame[:-4]) == frame[-4:]
+        return self.__calc_chksum__(frame[:-1]) == frame[-1:]

_docs_/.buildinfo

@@ -0,0 +1,4 @@
+# Sphinx build info version 1
+# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
+config: 84bc88da236ad2fe1e0ad2143091c944
+tags: 645f666f9bcd5a90fca523b33c5a78b7

_docs_/_sources/index.rst.txt

@@ -0,0 +1,23 @@
+.. socket_protocol documentation master file, created by
+   sphinx-quickstart on Fri Jan  1 19:56:01 2021.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to socket_protocol's documentation!
+===========================================
+
+.. automodule:: socket_protocol
+   :members:
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`

_docs_/_static/basic.css

@@ -0,0 +1,676 @@
+/*
+ * basic.css
+ * ~~~~~~~~~
+ *
+ * Sphinx stylesheet -- basic theme.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/* -- main layout ----------------------------------------------------------- */
+
+div.clearer {
+    clear: both;
+}
+
+/* -- relbar ---------------------------------------------------------------- */
+
+div.related {
+    width: 100%;
+    font-size: 90%;
+}
+
+div.related h3 {
+    display: none;
+}
+
+div.related ul {
+    margin: 0;
+    padding: 0 0 0 10px;
+    list-style: none;
+}
+
+div.related li {
+    display: inline;
+}
+
+div.related li.right {
+    float: right;
+    margin-right: 5px;
+}
+
+/* -- sidebar --------------------------------------------------------------- */
+
+div.sphinxsidebarwrapper {
+    padding: 10px 5px 0 10px;
+}
+
+div.sphinxsidebar {
+    float: left;
+    width: 230px;
+    margin-left: -100%;
+    font-size: 90%;
+    word-wrap: break-word;
+    overflow-wrap : break-word;
+}
+
+div.sphinxsidebar ul {
+    list-style: none;
+}
+
+div.sphinxsidebar ul ul,
+div.sphinxsidebar ul.want-points {
+    margin-left: 20px;
+    list-style: square;
+}
+
+div.sphinxsidebar ul ul {
+    margin-top: 0;
+    margin-bottom: 0;
+}
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+div.sphinxsidebar form {
+    margin-top: 10px;
+}
+
+div.sphinxsidebar input {
+    border: 1px solid #98dbcc;
+    font-family: sans-serif;
+    font-size: 1em;
+}
+
+div.sphinxsidebar #searchbox form.search {
+    overflow: hidden;
+}
+
+div.sphinxsidebar #searchbox input[type="text"] {
+    float: left;
+    width: 80%;
+    padding: 0.25em;
+    box-sizing: border-box;
+}
+
+div.sphinxsidebar #searchbox input[type="submit"] {
+    float: left;
+    width: 20%;
+    border-left: none;
+    padding: 0.25em;
+    box-sizing: border-box;
+}
+
+
+img {
+    border: 0;
+    max-width: 100%;
+}
+
+/* -- search page ----------------------------------------------------------- */
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+ul.search {
+    margin: 10px 0 0 20px;
+    padding: 0;
+}
+
+ul.search li {
+    padding: 5px 0 5px 20px;
+    background-image: url(file.png);
+    background-repeat: no-repeat;
+    background-position: 0 7px;
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+ul.search li a {
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+    margin: 2px 0 0 30px;
+    text-align: left;
+}
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+    font-weight: bold;
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+
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
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+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
+/* -- general index --------------------------------------------------------- */
+
+table.indextable {
+    width: 100%;
+}
+
+table.indextable td {
+    text-align: left;
+    vertical-align: top;
+}
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+    padding: 0.4em;
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+
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+    border-top: 1px solid #ddd;
+    border-bottom: 1px solid #ddd;
+    margin: 1em 0 1em 0;
+    padding: 0.4em;
+}
+
+/* -- domain module index --------------------------------------------------- */
+
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+    padding: 2px;
+    border-collapse: collapse;
+}
+
+/* -- general body styles --------------------------------------------------- */
+
+div.body {
+    min-width: 450px;
+    max-width: 800px;
+}
+
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+    -ms-hyphens: auto;
+    -webkit-hyphens: auto;
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+}
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+    width: 40%;
+    float: right;
+}
+
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+    font-weight: bold;
+}
+
+/* -- topics ---------------------------------------------------------------- */
+
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+    padding: 7px 7px 0 7px;
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+}
+
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+    font-weight: bold;
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+}
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+
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+    margin-top: 10px;
+    margin-bottom: 10px;
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+    text-align: center;
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+    margin-left: 1px;
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+
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+
+.footnote:target  {
+    background-color: #ffa;
+}
+
+.line-block {
+    display: block;
+    margin-top: 1em;
+    margin-bottom: 1em;
+}
+
+.line-block .line-block {
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 1.5em;
+}
+
+.guilabel, .menuselection {
+    font-family: sans-serif;
+}
+
+.accelerator {
+    text-decoration: underline;
+}
+
+.classifier {
+    font-style: oblique;
+}
+
+abbr, acronym {
+    border-bottom: dotted 1px;
+    cursor: help;
+}
+
+/* -- code displays --------------------------------------------------------- */
+
+pre {
+    overflow: auto;
+    overflow-y: hidden;  /* fixes display issues on Chrome browsers */
+}
+
+span.pre {
+    -moz-hyphens: none;
+    -ms-hyphens: none;
+    -webkit-hyphens: none;
+    hyphens: none;
+}
+
+td.linenos pre {
+    padding: 5px 0px;
+    border: 0;
+    background-color: transparent;
+    color: #aaa;
+}
+
+table.highlighttable {
+    margin-left: 0.5em;
+}
+
+table.highlighttable td {
+    padding: 0 0.5em 0 0.5em;
+}
+
+div.code-block-caption {
+    padding: 2px 5px;
+    font-size: small;
+}
+
+div.code-block-caption code {
+    background-color: transparent;
+}
+
+div.code-block-caption + div > div.highlight > pre {
+    margin-top: 0;
+}
+
+div.code-block-caption span.caption-number {
+    padding: 0.1em 0.3em;
+    font-style: italic;
+}
+
+div.code-block-caption span.caption-text {
+}
+
+div.literal-block-wrapper {
+    padding: 1em 1em 0;
+}
+
+div.literal-block-wrapper div.highlight {
+    margin: 0;
+}
+
+code.descname {
+    background-color: transparent;
+    font-weight: bold;
+    font-size: 1.2em;
+}
+
+code.descclassname {
+    background-color: transparent;
+}
+
+code.xref, a code {
+    background-color: transparent;
+    font-weight: bold;
+}
+
+h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
+    background-color: transparent;
+}
+
+.viewcode-link {
+    float: right;
+}
+
+.viewcode-back {
+    float: right;
+    font-family: sans-serif;
+}
+
+div.viewcode-block:target {
+    margin: -1px -10px;
+    padding: 0 10px;
+}
+
+/* -- math display ---------------------------------------------------------- */
+
+img.math {
+    vertical-align: middle;
+}
+
+div.body div.math p {
+    text-align: center;
+}
+
+span.eqno {
+    float: right;
+}
+
+span.eqno a.headerlink {
+    position: relative;
+    left: 0px;
+    z-index: 1;
+}
+
+div.math:hover a.headerlink {
+    visibility: visible;
+}
+
+/* -- printout stylesheet --------------------------------------------------- */
+
+@media print {
+    div.document,
+    div.documentwrapper,
+    div.bodywrapper {
+        margin: 0 !important;
+        width: 100%;
+    }
+
+    div.sphinxsidebar,
+    div.related,
+    div.footer,
+    #top-link {
+        display: none;
+    }
+}

_docs_/_static/css/badge_only.css

@@ -0,0 +1 @@
+.fa:before{-webkit-font-smoothing:antialiased}.clearfix{*zoom:1}.clearfix:after,.clearfix:before{display:table;content:""}.clearfix:after{clear:both}@font-face{font-family:FontAwesome;font-style:normal;font-weight:400;src:url(fonts/fontawesome-webfont.eot?674f50d287a8c48dc19ba404d20fe713?#iefix) format("embedded-opentype"),url(fonts/fontawesome-webfont.woff2?af7ae505a9eed503f8b8e6982036873e) format("woff2"),url(fonts/fontawesome-webfont.woff?fee66e712a8a08eef5805a46892932ad) format("woff"),url(fonts/fontawesome-webfont.ttf?b06871f281fee6b241d60582ae9369b9) format("truetype"),url(fonts/fontawesome-webfont.svg?912ec66d7572ff821749319396470bde#FontAwesome) format("svg")}.fa:before{font-family:FontAwesome;font-style:normal;font-weight:400;line-height:1}.fa:before,a .fa{text-decoration:inherit}.fa:before,a .fa,li .fa{display:inline-block}li .fa-large:before{width:1.875em}ul.fas{list-style-type:none;margin-left:2em;text-indent:-.8em}ul.fas li .fa{width:.8em}ul.fas li .fa-large:before{vertical-align:baseline}.fa-book:before,.icon-book:before{content:"\f02d"}.fa-caret-down:before,.icon-caret-down:before{content:"\f0d7"}.fa-caret-up:before,.icon-caret-up:before{content:"\f0d8"}.fa-caret-left:before,.icon-caret-left:before{content:"\f0d9"}.fa-caret-right:before,.icon-caret-right:before{content:"\f0da"}.rst-versions{position:fixed;bottom:0;left:0;width:300px;color:#fcfcfc;background:#1f1d1d;font-family:Lato,proxima-nova,Helvetica Neue,Arial,sans-serif;z-index:400}.rst-versions a{color:#2980b9;text-decoration:none}.rst-versions .rst-badge-small{display:none}.rst-versions .rst-current-version{padding:12px;background-color:#272525;display:block;text-align:right;font-size:90%;cursor:pointer;color:#27ae60}.rst-versions .rst-current-version:after{clear:both;content:"";display:block}.rst-versions .rst-current-version .fa{color:#fcfcfc}.rst-versions .rst-current-version .fa-book,.rst-versions .rst-current-version .icon-book{float:left}.rst-versions .rst-current-version.rst-out-of-date{background-color:#e74c3c;color:#fff}.rst-versions .rst-current-version.rst-active-old-version{background-color:#f1c40f;color:#000}.rst-versions.shift-up{height:auto;max-height:100%;overflow-y:scroll}.rst-versions.shift-up .rst-other-versions{display:block}.rst-versions .rst-other-versions{font-size:90%;padding:12px;color:grey;display:none}.rst-versions .rst-other-versions hr{display:block;height:1px;border:0;margin:20px 0;padding:0;border-top:1px solid #413d3d}.rst-versions .rst-other-versions dd{display:inline-block;margin:0}.rst-versions .rst-other-versions dd a{display:inline-block;padding:6px;color:#fcfcfc}.rst-versions.rst-badge{width:auto;bottom:20px;right:20px;left:auto;border:none;max-width:300px;max-height:90%}.rst-versions.rst-badge .fa-book,.rst-versions.rst-badge .icon-book{float:none;line-height:30px}.rst-versions.rst-badge.shift-up .rst-current-version{text-align:right}.rst-versions.rst-badge.shift-up .rst-current-version .fa-book,.rst-versions.rst-badge.shift-up .rst-current-version .icon-book{float:left}.rst-versions.rst-badge>.rst-current-version{width:auto;height:30px;line-height:30px;padding:0 6px;display:block;text-align:center}@media screen and (max-width:768px){.rst-versions{width:85%;display:none}.rst-versions.shift{display:block}}

_docs_/_static/doctools.js

@@ -0,0 +1,315 @@
+/*
+ * doctools.js
+ * ~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for all documentation.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/**
+ * select a different prefix for underscore
+ */
+$u = _.noConflict();
+
+/**
+ * make the code below compatible with browsers without
+ * an installed firebug like debugger
+if (!window.console || !console.firebug) {
+  var names = ["log", "debug", "info", "warn", "error", "assert", "dir",
+    "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace",
+    "profile", "profileEnd"];
+  window.console = {};
+  for (var i = 0; i < names.length; ++i)
+    window.console[names[i]] = function() {};
+}
+ */
+
+/**
+ * small helper function to urldecode strings
+ */
+jQuery.urldecode = function(x) {
+  return decodeURIComponent(x).replace(/\+/g, ' ');
+};
+
+/**
+ * small helper function to urlencode strings
+ */
+jQuery.urlencode = encodeURIComponent;
+
+/**
+ * This function returns the parsed url parameters of the
+ * current request. Multiple values per key are supported,
+ * it will always return arrays of strings for the value parts.
+ */
+jQuery.getQueryParameters = function(s) {
+  if (typeof s === 'undefined')
+    s = document.location.search;
+  var parts = s.substr(s.indexOf('?') + 1).split('&');
+  var result = {};
+  for (var i = 0; i < parts.length; i++) {
+    var tmp = parts[i].split('=', 2);
+    var key = jQuery.urldecode(tmp[0]);
+    var value = jQuery.urldecode(tmp[1]);
+    if (key in result)
+      result[key].push(value);
+    else
+      result[key] = [value];
+  }
+  return result;
+};
+
+/**
+ * highlight a given string on a jquery object by wrapping it in
+ * span elements with the given class name.
+ */
+jQuery.fn.highlightText = function(text, className) {
+  function highlight(node, addItems) {
+    if (node.nodeType === 3) {
+      var val = node.nodeValue;
+      var pos = val.toLowerCase().indexOf(text);
+      if (pos >= 0 &&
+          !jQuery(node.parentNode).hasClass(className) &&
+          !jQuery(node.parentNode).hasClass("nohighlight")) {
+        var span;
+        var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg");
+        if (isInSVG) {
+          span = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
+        } else {
+          span = document.createElement("span");
+          span.className = className;
+        }
+        span.appendChild(document.createTextNode(val.substr(pos, text.length)));
+        node.parentNode.insertBefore(span, node.parentNode.insertBefore(
+          document.createTextNode(val.substr(pos + text.length)),
+          node.nextSibling));
+        node.nodeValue = val.substr(0, pos);
+        if (isInSVG) {
+          var bbox = span.getBBox();
+          var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
+       	  rect.x.baseVal.value = bbox.x;
+          rect.y.baseVal.value = bbox.y;
+          rect.width.baseVal.value = bbox.width;
+          rect.height.baseVal.value = bbox.height;
+          rect.setAttribute('class', className);
+          var parentOfText = node.parentNode.parentNode;
+          addItems.push({
+              "parent": node.parentNode,
+              "target": rect});
+        }
+      }
+    }
+    else if (!jQuery(node).is("button, select, textarea")) {
+      jQuery.each(node.childNodes, function() {
+        highlight(this, addItems);
+      });
+    }
+  }
+  var addItems = [];
+  var result = this.each(function() {
+    highlight(this, addItems);
+  });
+  for (var i = 0; i < addItems.length; ++i) {
+    jQuery(addItems[i].parent).before(addItems[i].target);
+  }
+  return result;
+};
+
+/*
+ * backward compatibility for jQuery.browser
+ * This will be supported until firefox bug is fixed.
+ */
+if (!jQuery.browser) {
+  jQuery.uaMatch = function(ua) {
+    ua = ua.toLowerCase();
+
+    var match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
+      /(webkit)[ \/]([\w.]+)/.exec(ua) ||
+      /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
+      /(msie) ([\w.]+)/.exec(ua) ||
+      ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
+      [];
+
+    return {
+      browser: match[ 1 ] || "",
+      version: match[ 2 ] || "0"
+    };
+  };
+  jQuery.browser = {};
+  jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true;
+}
+
+/**
+ * Small JavaScript module for the documentation.
+ */
+var Documentation = {
+
+  init : function() {
+    this.fixFirefoxAnchorBug();
+    this.highlightSearchWords();
+    this.initIndexTable();
+    if (DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) {
+      this.initOnKeyListeners();
+    }
+  },
+
+  /**
+   * i18n support
+   */
+  TRANSLATIONS : {},
+  PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; },
+  LOCALE : 'unknown',
+
+  // gettext and ngettext don't access this so that the functions
+  // can safely bound to a different name (_ = Documentation.gettext)
+  gettext : function(string) {
+    var translated = Documentation.TRANSLATIONS[string];
+    if (typeof translated === 'undefined')
+      return string;
+    return (typeof translated === 'string') ? translated : translated[0];
+  },
+
+  ngettext : function(singular, plural, n) {
+    var translated = Documentation.TRANSLATIONS[singular];
+    if (typeof translated === 'undefined')
+      return (n == 1) ? singular : plural;
+    return translated[Documentation.PLURALEXPR(n)];
+  },
+
+  addTranslations : function(catalog) {
+    for (var key in catalog.messages)
+      this.TRANSLATIONS[key] = catalog.messages[key];
+    this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')');
+    this.LOCALE = catalog.locale;
+  },
+
+  /**
+   * add context elements like header anchor links
+   */
+  addContextElements : function() {
+    $('div[id] > :header:first').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this headline')).
+      appendTo(this);
+    });
+    $('dt[id]').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this definition')).
+      appendTo(this);
+    });
+  },
+
+  /**
+   * workaround a firefox stupidity
+   * see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075
+   */
+  fixFirefoxAnchorBug : function() {
+    if (document.location.hash && $.browser.mozilla)
+      window.setTimeout(function() {
+        document.location.href += '';
+      }, 10);
+  },
+
+  /**
+   * highlight the search words provided in the url in the text
+   */
+  highlightSearchWords : function() {
+    var params = $.getQueryParameters();
+    var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : [];
+    if (terms.length) {
+      var body = $('div.body');
+      if (!body.length) {
+        body = $('body');
+      }
+      window.setTimeout(function() {
+        $.each(terms, function() {
+          body.highlightText(this.toLowerCase(), 'highlighted');
+        });
+      }, 10);
+      $('<p class="highlight-link"><a href="javascript:Documentation.' +
+        'hideSearchWords()">' + _('Hide Search Matches') + '</a></p>')
+          .appendTo($('#searchbox'));
+    }
+  },
+
+  /**
+   * init the domain index toggle buttons
+   */
+  initIndexTable : function() {
+    var togglers = $('img.toggler').click(function() {
+      var src = $(this).attr('src');
+      var idnum = $(this).attr('id').substr(7);
+      $('tr.cg-' + idnum).toggle();
+      if (src.substr(-9) === 'minus.png')
+        $(this).attr('src', src.substr(0, src.length-9) + 'plus.png');
+      else
+        $(this).attr('src', src.substr(0, src.length-8) + 'minus.png');
+    }).css('display', '');
+    if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) {
+        togglers.click();
+    }
+  },
+
+  /**
+   * helper function to hide the search marks again
+   */
+  hideSearchWords : function() {
+    $('#searchbox .highlight-link').fadeOut(300);
+    $('span.highlighted').removeClass('highlighted');
+  },
+
+  /**
+   * make the url absolute
+   */
+  makeURL : function(relativeURL) {
+    return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL;
+  },
+
+  /**
+   * get the current relative url
+   */
+  getCurrentURL : function() {
+    var path = document.location.pathname;
+    var parts = path.split(/\//);
+    $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() {
+      if (this === '..')
+        parts.pop();
+    });
+    var url = parts.join('/');
+    return path.substring(url.lastIndexOf('/') + 1, path.length - 1);
+  },
+
+  initOnKeyListeners: function() {
+    $(document).keyup(function(event) {
+      var activeElementType = document.activeElement.tagName;
+      // don't navigate when in search box or textarea
+      if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT') {
+        switch (event.keyCode) {
+          case 37: // left
+            var prevHref = $('link[rel="prev"]').prop('href');
+            if (prevHref) {
+              window.location.href = prevHref;
+              return false;
+            }
+          case 39: // right
+            var nextHref = $('link[rel="next"]').prop('href');
+            if (nextHref) {
+              window.location.href = nextHref;
+              return false;
+            }
+        }
+      }
+    });
+  }
+};
+
+// quick alias for translations
+_ = Documentation.gettext;
+
+$(document).ready(function() {
+  Documentation.init();
+});

_docs_/_static/documentation_options.js

@@ -0,0 +1,10 @@
+var DOCUMENTATION_OPTIONS = {
+    URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
+    VERSION: '',
+    LANGUAGE: 'None',
+    COLLAPSE_INDEX: false,
+    FILE_SUFFIX: '.html',
+    HAS_SOURCE: true,
+    SOURCELINK_SUFFIX: '.txt',
+    NAVIGATION_WITH_KEYS: false,
+};

_docs_/_static/js/badge_only.js

@@ -0,0 +1 @@
+!function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=4)}({4:function(e,t,r){}});

_docs_/_static/js/html5shiv-printshiv.min.js

@@ -0,0 +1,4 @@
+/**
+* @preserve HTML5 Shiv 3.7.3-pre | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+!function(a,b){function c(a,b){var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=y.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=y.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),y.elements=c+" "+a,j(b)}function f(a){var b=x[a[v]];return b||(b={},w++,a[v]=w,x[w]=b),b}function g(a,c,d){if(c||(c=b),q)return c.createElement(a);d||(d=f(c));var e;return e=d.cache[a]?d.cache[a].cloneNode():u.test(a)?(d.cache[a]=d.createElem(a)).cloneNode():d.createElem(a),!e.canHaveChildren||t.test(a)||e.tagUrn?e:d.frag.appendChild(e)}function h(a,c){if(a||(a=b),q)return a.createDocumentFragment();c=c||f(a);for(var e=c.frag.cloneNode(),g=0,h=d(),i=h.length;i>g;g++)e.createElement(h[g]);return e}function i(a,b){b.cache||(b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){return y.shivMethods?g(c,a,b):b.createElem(c)},a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+d().join().replace(/[\w\-:]+/g,function(a){return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'})+");return n}")(y,b.frag)}function j(a){a||(a=b);var d=f(a);return!y.shivCSS||p||d.hasCSS||(d.hasCSS=!!c(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}")),q||i(a,d),a}function k(a){for(var b,c=a.getElementsByTagName("*"),e=c.length,f=RegExp("^(?:"+d().join("|")+")$","i"),g=[];e--;)b=c[e],f.test(b.nodeName)&&g.push(b.applyElement(l(b)));return g}function l(a){for(var b,c=a.attributes,d=c.length,e=a.ownerDocument.createElement(A+":"+a.nodeName);d--;)b=c[d],b.specified&&e.setAttribute(b.nodeName,b.nodeValue);return e.style.cssText=a.style.cssText,e}function m(a){for(var b,c=a.split("{"),e=c.length,f=RegExp("(^|[\\s,>+~])("+d().join("|")+")(?=[[\\s,>+~#.:]|$)","gi"),g="$1"+A+"\\:$2";e--;)b=c[e]=c[e].split("}"),b[b.length-1]=b[b.length-1].replace(f,g),c[e]=b.join("}");return c.join("{")}function n(a){for(var b=a.length;b--;)a[b].removeNode()}function o(a){function b(){clearTimeout(g._removeSheetTimer),d&&d.removeNode(!0),d=null}var d,e,g=f(a),h=a.namespaces,i=a.parentWindow;return!B||a.printShived?a:("undefined"==typeof h[A]&&h.add(A),i.attachEvent("onbeforeprint",function(){b();for(var f,g,h,i=a.styleSheets,j=[],l=i.length,n=Array(l);l--;)n[l]=i[l];for(;h=n.pop();)if(!h.disabled&&z.test(h.media)){try{f=h.imports,g=f.length}catch(o){g=0}for(l=0;g>l;l++)n.push(f[l]);try{j.push(h.cssText)}catch(o){}}j=m(j.reverse().join("")),e=k(a),d=c(a,j)}),i.attachEvent("onafterprint",function(){n(e),clearTimeout(g._removeSheetTimer),g._removeSheetTimer=setTimeout(b,500)}),a.printShived=!0,a)}var p,q,r="3.7.3",s=a.html5||{},t=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,u=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,v="_html5shiv",w=0,x={};!function(){try{var a=b.createElement("a");a.innerHTML="<xyz></xyz>",p="hidden"in a,q=1==a.childNodes.length||function(){b.createElement("a");var a=b.createDocumentFragment();return"undefined"==typeof a.cloneNode||"undefined"==typeof a.createDocumentFragment||"undefined"==typeof a.createElement}()}catch(c){p=!0,q=!0}}();var y={elements:s.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video",version:r,shivCSS:s.shivCSS!==!1,supportsUnknownElements:q,shivMethods:s.shivMethods!==!1,type:"default",shivDocument:j,createElement:g,createDocumentFragment:h,addElements:e};a.html5=y,j(b);var z=/^$|\b(?:all|print)\b/,A="html5shiv",B=!q&&function(){var c=b.documentElement;return!("undefined"==typeof b.namespaces||"undefined"==typeof b.parentWindow||"undefined"==typeof c.applyElement||"undefined"==typeof c.removeNode||"undefined"==typeof a.attachEvent)}();y.type+=" print",y.shivPrint=o,o(b),"object"==typeof module&&module.exports&&(module.exports=y)}("undefined"!=typeof window?window:this,document);

_docs_/_static/js/html5shiv.min.js

@@ -0,0 +1,4 @@
+/**
+* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
+*/
+!function(a,b){function c(a,b){var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=t.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=t.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),t.elements=c+" "+a,j(b)}function f(a){var b=s[a[q]];return b||(b={},r++,a[q]=r,s[r]=b),b}function g(a,c,d){if(c||(c=b),l)return c.createElement(a);d||(d=f(c));var e;return e=d.cache[a]?d.cache[a].cloneNode():p.test(a)?(d.cache[a]=d.createElem(a)).cloneNode():d.createElem(a),!e.canHaveChildren||o.test(a)||e.tagUrn?e:d.frag.appendChild(e)}function h(a,c){if(a||(a=b),l)return a.createDocumentFragment();c=c||f(a);for(var e=c.frag.cloneNode(),g=0,h=d(),i=h.length;i>g;g++)e.createElement(h[g]);return e}function i(a,b){b.cache||(b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){return t.shivMethods?g(c,a,b):b.createElem(c)},a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+d().join().replace(/[\w\-:]+/g,function(a){return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'})+");return n}")(t,b.frag)}function j(a){a||(a=b);var d=f(a);return!t.shivCSS||k||d.hasCSS||(d.hasCSS=!!c(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}")),l||i(a,d),a}var k,l,m="3.7.3-pre",n=a.html5||{},o=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,p=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,q="_html5shiv",r=0,s={};!function(){try{var a=b.createElement("a");a.innerHTML="<xyz></xyz>",k="hidden"in a,l=1==a.childNodes.length||function(){b.createElement("a");var a=b.createDocumentFragment();return"undefined"==typeof a.cloneNode||"undefined"==typeof a.createDocumentFragment||"undefined"==typeof a.createElement}()}catch(c){k=!0,l=!0}}();var t={elements:n.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video",version:m,shivCSS:n.shivCSS!==!1,supportsUnknownElements:l,shivMethods:n.shivMethods!==!1,type:"default",shivDocument:j,createElement:g,createDocumentFragment:h,addElements:e};a.html5=t,j(b),"object"==typeof module&&module.exports&&(module.exports=t)}("undefined"!=typeof window?window:this,document);

_docs_/_static/js/theme.js

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+!function(n){var e={};function t(i){if(e[i])return e[i].exports;var o=e[i]={i:i,l:!1,exports:{}};return n[i].call(o.exports,o,o.exports,t),o.l=!0,o.exports}t.m=n,t.c=e,t.d=function(n,e,i){t.o(n,e)||Object.defineProperty(n,e,{enumerable:!0,get:i})},t.r=function(n){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(n,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(n,"__esModule",{value:!0})},t.t=function(n,e){if(1&e&&(n=t(n)),8&e)return n;if(4&e&&"object"==typeof n&&n&&n.__esModule)return n;var i=Object.create(null);if(t.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:n}),2&e&&"string"!=typeof n)for(var o in n)t.d(i,o,function(e){return n[e]}.bind(null,o));return i},t.n=function(n){var e=n&&n.__esModule?function(){return n.default}:function(){return n};return t.d(e,"a",e),e},t.o=function(n,e){return Object.prototype.hasOwnProperty.call(n,e)},t.p="",t(t.s=0)}([function(n,e,t){t(1),n.exports=t(3)},function(n,e,t){(function(){var e="undefined"!=typeof window?window.jQuery:t(2);n.exports.ThemeNav={navBar:null,win:null,winScroll:!1,winResize:!1,linkScroll:!1,winPosition:0,winHeight:null,docHeight:null,isRunning:!1,enable:function(n){var t=this;void 0===n&&(n=!0),t.isRunning||(t.isRunning=!0,e((function(e){t.init(e),t.reset(),t.win.on("hashchange",t.reset),n&&t.win.on("scroll",(function(){t.linkScroll||t.winScroll||(t.winScroll=!0,requestAnimationFrame((function(){t.onScroll()})))})),t.win.on("resize",(function(){t.winResize||(t.winResize=!0,requestAnimationFrame((function(){t.onResize()})))})),t.onResize()})))},enableSticky:function(){this.enable(!0)},init:function(n){n(document);var e=this;this.navBar=n("div.wy-side-scroll:first"),this.win=n(window),n(document).on("click","[data-toggle='wy-nav-top']",(function(){n("[data-toggle='wy-nav-shift']").toggleClass("shift"),n("[data-toggle='rst-versions']").toggleClass("shift")})).on("click",".wy-menu-vertical .current ul li a",(function(){var t=n(this);n("[data-toggle='wy-nav-shift']").removeClass("shift"),n("[data-toggle='rst-versions']").toggleClass("shift"),e.toggleCurrent(t),e.hashChange()})).on("click","[data-toggle='rst-current-version']",(function(){n("[data-toggle='rst-versions']").toggleClass("shift-up")})),n("table.docutils:not(.field-list,.footnote,.citation)").wrap("<div class='wy-table-responsive'></div>"),n("table.docutils.footnote").wrap("<div class='wy-table-responsive footnote'></div>"),n("table.docutils.citation").wrap("<div class='wy-table-responsive citation'></div>"),n(".wy-menu-vertical ul").not(".simple").siblings("a").each((function(){var t=n(this);expand=n('<span class="toctree-expand"></span>'),expand.on("click",(function(n){return e.toggleCurrent(t),n.stopPropagation(),!1})),t.prepend(expand)}))},reset:function(){var n=encodeURI(window.location.hash)||"#";try{var e=$(".wy-menu-vertical"),t=e.find('[href="'+n+'"]');if(0===t.length){var i=$('.document [id="'+n.substring(1)+'"]').closest("div.section");0===(t=e.find('[href="#'+i.attr("id")+'"]')).length&&(t=e.find('[href="#"]'))}t.length>0&&($(".wy-menu-vertical .current").removeClass("current"),t.addClass("current"),t.closest("li.toctree-l1").addClass("current"),t.closest("li.toctree-l1").parent().addClass("current"),t.closest("li.toctree-l1").addClass("current"),t.closest("li.toctree-l2").addClass("current"),t.closest("li.toctree-l3").addClass("current"),t.closest("li.toctree-l4").addClass("current"),t.closest("li.toctree-l5").addClass("current"),t[0].scrollIntoView())}catch(n){console.log("Error expanding nav for anchor",n)}},onScroll:function(){this.winScroll=!1;var n=this.win.scrollTop(),e=n+this.winHeight,t=this.navBar.scrollTop()+(n-this.winPosition);n<0||e>this.docHeight||(this.navBar.scrollTop(t),this.winPosition=n)},onResize:function(){this.winResize=!1,this.winHeight=this.win.height(),this.docHeight=$(document).height()},hashChange:function(){this.linkScroll=!0,this.win.one("hashchange",(function(){this.linkScroll=!1}))},toggleCurrent:function(n){var e=n.closest("li");e.siblings("li.current").removeClass("current"),e.siblings().find("li.current").removeClass("current"),e.find("> ul li.current").removeClass("current"),e.toggleClass("current")}},"undefined"!=typeof window&&(window.SphinxRtdTheme={Navigation:n.exports.ThemeNav,StickyNav:n.exports.ThemeNav}),function(){for(var n=0,e=["ms","moz","webkit","o"],t=0;t<e.length&&!window.requestAnimationFrame;++t)window.requestAnimationFrame=window[e[t]+"RequestAnimationFrame"],window.cancelAnimationFrame=window[e[t]+"CancelAnimationFrame"]||window[e[t]+"CancelRequestAnimationFrame"];window.requestAnimationFrame||(window.requestAnimationFrame=function(e,t){var i=(new Date).getTime(),o=Math.max(0,16-(i-n)),r=window.setTimeout((function(){e(i+o)}),o);return n=i+o,r}),window.cancelAnimationFrame||(window.cancelAnimationFrame=function(n){clearTimeout(n)})}()}).call(window)},function(n,e){n.exports=jQuery},function(n,e,t){}]);

_docs_/_static/language_data.js

@@ -0,0 +1,297 @@
+/*
+ * language_data.js
+ * ~~~~~~~~~~~~~~~~
+ *
+ * This script contains the language-specific data used by searchtools.js,
+ * namely the list of stopwords, stemmer, scorer and splitter.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
+
+
+/* Non-minified version JS is _stemmer.js if file is provided */ 
+/**
+ * Porter Stemmer
+ */
+var Stemmer = function() {
+
+  var step2list = {
+    ational: 'ate',
+    tional: 'tion',
+    enci: 'ence',
+    anci: 'ance',
+    izer: 'ize',
+    bli: 'ble',
+    alli: 'al',
+    entli: 'ent',
+    eli: 'e',
+    ousli: 'ous',
+    ization: 'ize',
+    ation: 'ate',
+    ator: 'ate',
+    alism: 'al',
+    iveness: 'ive',
+    fulness: 'ful',
+    ousness: 'ous',
+    aliti: 'al',
+    iviti: 'ive',
+    biliti: 'ble',
+    logi: 'log'
+  };
+
+  var step3list = {
+    icate: 'ic',
+    ative: '',
+    alize: 'al',
+    iciti: 'ic',
+    ical: 'ic',
+    ful: '',
+    ness: ''
+  };
+
+  var c = "[^aeiou]";          // consonant
+  var v = "[aeiouy]";          // vowel
+  var C = c + "[^aeiouy]*";    // consonant sequence
+  var V = v + "[aeiou]*";      // vowel sequence
+
+  var mgr0 = "^(" + C + ")?" + V + C;                      // [C]VC... is m>0
+  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$";    // [C]VC[V] is m=1
+  var mgr1 = "^(" + C + ")?" + V + C + V + C;              // [C]VCVC... is m>1
+  var s_v   = "^(" + C + ")?" + v;                         // vowel in stem
+
+  this.stemWord = function (w) {
+    var stem;
+    var suffix;
+    var firstch;
+    var origword = w;
+
+    if (w.length < 3)
+      return w;
+
+    var re;
+    var re2;
+    var re3;
+    var re4;
+
+    firstch = w.substr(0,1);
+    if (firstch == "y")
+      w = firstch.toUpperCase() + w.substr(1);
+
+    // Step 1a
+    re = /^(.+?)(ss|i)es$/;
+    re2 = /^(.+?)([^s])s$/;
+
+    if (re.test(w))
+      w = w.replace(re,"$1$2");
+    else if (re2.test(w))
+      w = w.replace(re2,"$1$2");
+
+    // Step 1b
+    re = /^(.+?)eed$/;
+    re2 = /^(.+?)(ed|ing)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      re = new RegExp(mgr0);
+      if (re.test(fp[1])) {
+        re = /.$/;
+        w = w.replace(re,"");
+      }
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1];
+      re2 = new RegExp(s_v);
+      if (re2.test(stem)) {
+        w = stem;
+        re2 = /(at|bl|iz)$/;
+        re3 = new RegExp("([^aeiouylsz])\\1$");
+        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+        if (re2.test(w))
+          w = w + "e";
+        else if (re3.test(w)) {
+          re = /.$/;
+          w = w.replace(re,"");
+        }
+        else if (re4.test(w))
+          w = w + "e";
+      }
+    }
+
+    // Step 1c
+    re = /^(.+?)y$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(s_v);
+      if (re.test(stem))
+        w = stem + "i";
+    }
+
+    // Step 2
+    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step2list[suffix];
+    }
+
+    // Step 3
+    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step3list[suffix];
+    }
+
+    // Step 4
+    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
+    re2 = /^(.+?)(s|t)(ion)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      if (re.test(stem))
+        w = stem;
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1] + fp[2];
+      re2 = new RegExp(mgr1);
+      if (re2.test(stem))
+        w = stem;
+    }
+
+    // Step 5
+    re = /^(.+?)e$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      re2 = new RegExp(meq1);
+      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
+        w = stem;
+    }
+    re = /ll$/;
+    re2 = new RegExp(mgr1);
+    if (re.test(w) && re2.test(w)) {
+      re = /.$/;
+      w = w.replace(re,"");
+    }
+
+    // and turn initial Y back to y
+    if (firstch == "y")
+      w = firstch.toLowerCase() + w.substr(1);
+    return w;
+  }
+}
+
+
+
+
+
+var splitChars = (function() {
+    var result = {};
+    var singles = [96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648,
+         1748, 1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702,
+         2706, 2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971,
+         2973, 3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345,
+         3369, 3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761,
+         3781, 3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823,
+         4881, 5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125,
+         8133, 8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695,
+         11703, 11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587,
+         43696, 43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141];
+    var i, j, start, end;
+    for (i = 0; i < singles.length; i++) {
+        result[singles[i]] = true;
+    }
+    var ranges = [[0, 47], [58, 64], [91, 94], [123, 169], [171, 177], [182, 184], [706, 709],
+         [722, 735], [741, 747], [751, 879], [888, 889], [894, 901], [1154, 1161],
+         [1318, 1328], [1367, 1368], [1370, 1376], [1416, 1487], [1515, 1519], [1523, 1568],
+         [1611, 1631], [1642, 1645], [1750, 1764], [1767, 1773], [1789, 1790], [1792, 1807],
+         [1840, 1868], [1958, 1968], [1970, 1983], [2027, 2035], [2038, 2041], [2043, 2047],
+         [2070, 2073], [2075, 2083], [2085, 2087], [2089, 2307], [2362, 2364], [2366, 2383],
+         [2385, 2391], [2402, 2405], [2419, 2424], [2432, 2436], [2445, 2446], [2449, 2450],
+         [2483, 2485], [2490, 2492], [2494, 2509], [2511, 2523], [2530, 2533], [2546, 2547],
+         [2554, 2564], [2571, 2574], [2577, 2578], [2618, 2648], [2655, 2661], [2672, 2673],
+         [2677, 2692], [2746, 2748], [2750, 2767], [2769, 2783], [2786, 2789], [2800, 2820],
+         [2829, 2830], [2833, 2834], [2874, 2876], [2878, 2907], [2914, 2917], [2930, 2946],
+         [2955, 2957], [2966, 2968], [2976, 2978], [2981, 2983], [2987, 2989], [3002, 3023],
+         [3025, 3045], [3059, 3076], [3130, 3132], [3134, 3159], [3162, 3167], [3170, 3173],
+         [3184, 3191], [3199, 3204], [3258, 3260], [3262, 3293], [3298, 3301], [3312, 3332],
+         [3386, 3388], [3390, 3423], [3426, 3429], [3446, 3449], [3456, 3460], [3479, 3481],
+         [3518, 3519], [3527, 3584], [3636, 3647], [3655, 3663], [3674, 3712], [3717, 3718],
+         [3723, 3724], [3726, 3731], [3752, 3753], [3764, 3772], [3774, 3775], [3783, 3791],
+         [3802, 3803], [3806, 3839], [3841, 3871], [3892, 3903], [3949, 3975], [3980, 4095],
+         [4139, 4158], [4170, 4175], [4182, 4185], [4190, 4192], [4194, 4196], [4199, 4205],
+         [4209, 4212], [4226, 4237], [4250, 4255], [4294, 4303], [4349, 4351], [4686, 4687],
+         [4702, 4703], [4750, 4751], [4790, 4791], [4806, 4807], [4886, 4887], [4955, 4968],
+         [4989, 4991], [5008, 5023], [5109, 5120], [5741, 5742], [5787, 5791], [5867, 5869],
+         [5873, 5887], [5906, 5919], [5938, 5951], [5970, 5983], [6001, 6015], [6068, 6102],
+         [6104, 6107], [6109, 6111], [6122, 6127], [6138, 6159], [6170, 6175], [6264, 6271],
+         [6315, 6319], [6390, 6399], [6429, 6469], [6510, 6511], [6517, 6527], [6572, 6592],
+         [6600, 6607], [6619, 6655], [6679, 6687], [6741, 6783], [6794, 6799], [6810, 6822],
+         [6824, 6916], [6964, 6980], [6988, 6991], [7002, 7042], [7073, 7085], [7098, 7167],
+         [7204, 7231], [7242, 7244], [7294, 7400], [7410, 7423], [7616, 7679], [7958, 7959],
+         [7966, 7967], [8006, 8007], [8014, 8015], [8062, 8063], [8127, 8129], [8141, 8143],
+         [8148, 8149], [8156, 8159], [8173, 8177], [8189, 8303], [8306, 8307], [8314, 8318],
+         [8330, 8335], [8341, 8449], [8451, 8454], [8456, 8457], [8470, 8472], [8478, 8483],
+         [8506, 8507], [8512, 8516], [8522, 8525], [8586, 9311], [9372, 9449], [9472, 10101],
+         [10132, 11263], [11493, 11498], [11503, 11516], [11518, 11519], [11558, 11567],
+         [11622, 11630], [11632, 11647], [11671, 11679], [11743, 11822], [11824, 12292],
+         [12296, 12320], [12330, 12336], [12342, 12343], [12349, 12352], [12439, 12444],
+         [12544, 12548], [12590, 12592], [12687, 12689], [12694, 12703], [12728, 12783],
+         [12800, 12831], [12842, 12880], [12896, 12927], [12938, 12976], [12992, 13311],
+         [19894, 19967], [40908, 40959], [42125, 42191], [42238, 42239], [42509, 42511],
+         [42540, 42559], [42592, 42593], [42607, 42622], [42648, 42655], [42736, 42774],
+         [42784, 42785], [42889, 42890], [42893, 43002], [43043, 43055], [43062, 43071],
+         [43124, 43137], [43188, 43215], [43226, 43249], [43256, 43258], [43260, 43263],
+         [43302, 43311], [43335, 43359], [43389, 43395], [43443, 43470], [43482, 43519],
+         [43561, 43583], [43596, 43599], [43610, 43615], [43639, 43641], [43643, 43647],
+         [43698, 43700], [43703, 43704], [43710, 43711], [43715, 43738], [43742, 43967],
+         [44003, 44015], [44026, 44031], [55204, 55215], [55239, 55242], [55292, 55295],
+         [57344, 63743], [64046, 64047], [64110, 64111], [64218, 64255], [64263, 64274],
+         [64280, 64284], [64434, 64466], [64830, 64847], [64912, 64913], [64968, 65007],
+         [65020, 65135], [65277, 65295], [65306, 65312], [65339, 65344], [65371, 65381],
+         [65471, 65473], [65480, 65481], [65488, 65489], [65496, 65497]];
+    for (i = 0; i < ranges.length; i++) {
+        start = ranges[i][0];
+        end = ranges[i][1];
+        for (j = start; j <= end; j++) {
+            result[j] = true;
+        }
+    }
+    return result;
+})();
+
+function splitQuery(query) {
+    var result = [];
+    var start = -1;
+    for (var i = 0; i < query.length; i++) {
+        if (splitChars[query.charCodeAt(i)]) {
+            if (start !== -1) {
+                result.push(query.slice(start, i));
+                start = -1;
+            }
+        } else if (start === -1) {
+            start = i;
+        }
+    }
+    if (start !== -1) {
+        result.push(query.slice(start));
+    }
+    return result;
+}
+
+

_docs_/_static/pygments.css

@@ -0,0 +1,69 @@
+.highlight .hll { background-color: #ffffcc }
+.highlight  { background: #f8f8f8; }
+.highlight .c { color: #408080; font-style: italic } /* Comment */
+.highlight .err { border: 1px solid #FF0000 } /* Error */
+.highlight .k { color: #008000; font-weight: bold } /* Keyword */
+.highlight .o { color: #666666 } /* Operator */
+.highlight .ch { color: #408080; font-style: italic } /* Comment.Hashbang */
+.highlight .cm { color: #408080; font-style: italic } /* Comment.Multiline */
+.highlight .cp { color: #BC7A00 } /* Comment.Preproc */
+.highlight .cpf { color: #408080; font-style: italic } /* Comment.PreprocFile */
+.highlight .c1 { color: #408080; font-style: italic } /* Comment.Single */
+.highlight .cs { color: #408080; font-style: italic } /* Comment.Special */
+.highlight .gd { color: #A00000 } /* Generic.Deleted */
+.highlight .ge { font-style: italic } /* Generic.Emph */
+.highlight .gr { color: #FF0000 } /* Generic.Error */
+.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
+.highlight .gi { color: #00A000 } /* Generic.Inserted */
+.highlight .go { color: #888888 } /* Generic.Output */
+.highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
+.highlight .gs { font-weight: bold } /* Generic.Strong */
+.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
+.highlight .gt { color: #0044DD } /* Generic.Traceback */
+.highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
+.highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
+.highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
+.highlight .kp { color: #008000 } /* Keyword.Pseudo */
+.highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
+.highlight .kt { color: #B00040 } /* Keyword.Type */
+.highlight .m { color: #666666 } /* Literal.Number */
+.highlight .s { color: #BA2121 } /* Literal.String */
+.highlight .na { color: #7D9029 } /* Name.Attribute */
+.highlight .nb { color: #008000 } /* Name.Builtin */
+.highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */
+.highlight .no { color: #880000 } /* Name.Constant */
+.highlight .nd { color: #AA22FF } /* Name.Decorator */
+.highlight .ni { color: #999999; font-weight: bold } /* Name.Entity */
+.highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */
+.highlight .nf { color: #0000FF } /* Name.Function */
+.highlight .nl { color: #A0A000 } /* Name.Label */
+.highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */
+.highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */
+.highlight .nv { color: #19177C } /* Name.Variable */
+.highlight .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */
+.highlight .w { color: #bbbbbb } /* Text.Whitespace */
+.highlight .mb { color: #666666 } /* Literal.Number.Bin */
+.highlight .mf { color: #666666 } /* Literal.Number.Float */
+.highlight .mh { color: #666666 } /* Literal.Number.Hex */
+.highlight .mi { color: #666666 } /* Literal.Number.Integer */
+.highlight .mo { color: #666666 } /* Literal.Number.Oct */
+.highlight .sa { color: #BA2121 } /* Literal.String.Affix */
+.highlight .sb { color: #BA2121 } /* Literal.String.Backtick */
+.highlight .sc { color: #BA2121 } /* Literal.String.Char */
+.highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */
+.highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
+.highlight .s2 { color: #BA2121 } /* Literal.String.Double */
+.highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */
+.highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */
+.highlight .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */
+.highlight .sx { color: #008000 } /* Literal.String.Other */
+.highlight .sr { color: #BB6688 } /* Literal.String.Regex */
+.highlight .s1 { color: #BA2121 } /* Literal.String.Single */
+.highlight .ss { color: #19177C } /* Literal.String.Symbol */
+.highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */
+.highlight .fm { color: #0000FF } /* Name.Function.Magic */
+.highlight .vc { color: #19177C } /* Name.Variable.Class */
+.highlight .vg { color: #19177C } /* Name.Variable.Global */
+.highlight .vi { color: #19177C } /* Name.Variable.Instance */
+.highlight .vm { color: #19177C } /* Name.Variable.Magic */
+.highlight .il { color: #666666 } /* Literal.Number.Integer.Long */

_docs_/_static/searchtools.js

@@ -0,0 +1,481 @@
+/*
+ * searchtools.js
+ * ~~~~~~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for the full-text search.
+ *
+ * :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+if (!Scorer) {
+  /**
+   * Simple result scoring code.
+   */
+  var Scorer = {
+    // Implement the following function to further tweak the score for each result
+    // The function takes a result array [filename, title, anchor, descr, score]
+    // and returns the new score.
+    /*
+    score: function(result) {
+      return result[4];
+    },
+    */
+
+    // query matches the full name of an object
+    objNameMatch: 11,
+    // or matches in the last dotted part of the object name
+    objPartialMatch: 6,
+    // Additive scores depending on the priority of the object
+    objPrio: {0:  15,   // used to be importantResults
+              1:  5,   // used to be objectResults
+              2: -5},  // used to be unimportantResults
+    //  Used when the priority is not in the mapping.
+    objPrioDefault: 0,
+
+    // query found in title
+    title: 15,
+    // query found in terms
+    term: 5
+  };
+}
+
+if (!splitQuery) {
+  function splitQuery(query) {
+    return query.split(/\s+/);
+  }
+}
+
+/**
+ * Search Module
+ */
+var Search = {
+
+  _index : null,
+  _queued_query : null,
+  _pulse_status : -1,
+
+  init : function() {
+      var params = $.getQueryParameters();
+      if (params.q) {
+          var query = params.q[0];
+          $('input[name="q"]')[0].value = query;
+          this.performSearch(query);
+      }
+  },
+
+  loadIndex : function(url) {
+    $.ajax({type: "GET", url: url, data: null,
+            dataType: "script", cache: true,
+            complete: function(jqxhr, textstatus) {
+              if (textstatus != "success") {
+                document.getElementById("searchindexloader").src = url;
+              }
+            }});
+  },
+
+  setIndex : function(index) {
+    var q;
+    this._index = index;
+    if ((q = this._queued_query) !== null) {
+      this._queued_query = null;
+      Search.query(q);
+    }
+  },
+
+  hasIndex : function() {
+      return this._index !== null;
+  },
+
+  deferQuery : function(query) {
+      this._queued_query = query;
+  },
+
+  stopPulse : function() {
+      this._pulse_status = 0;
+  },
+
+  startPulse : function() {
+    if (this._pulse_status >= 0)
+        return;
+    function pulse() {
+      var i;
+      Search._pulse_status = (Search._pulse_status + 1) % 4;
+      var dotString = '';
+      for (i = 0; i < Search._pulse_status; i++)
+        dotString += '.';
+      Search.dots.text(dotString);
+      if (Search._pulse_status > -1)
+        window.setTimeout(pulse, 500);
+    }
+    pulse();
+  },
+
+  /**
+   * perform a search for something (or wait until index is loaded)
+   */
+  performSearch : function(query) {
+    // create the required interface elements
+    this.out = $('#search-results');
+    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
+    this.dots = $('<span></span>').appendTo(this.title);
+    this.status = $('<p style="display: none"></p>').appendTo(this.out);
+    this.output = $('<ul class="search"/>').appendTo(this.out);
+
+    $('#search-progress').text(_('Preparing search...'));
+    this.startPulse();
+
+    // index already loaded, the browser was quick!
+    if (this.hasIndex())
+      this.query(query);
+    else
+      this.deferQuery(query);
+  },
+
+  /**
+   * execute search (requires search index to be loaded)
+   */
+  query : function(query) {
+    var i;
+
+    // stem the searchterms and add them to the correct list
+    var stemmer = new Stemmer();
+    var searchterms = [];
+    var excluded = [];
+    var hlterms = [];
+    var tmp = splitQuery(query);
+    var objectterms = [];
+    for (i = 0; i < tmp.length; i++) {
+      if (tmp[i] !== "") {
+          objectterms.push(tmp[i].toLowerCase());
+      }
+
+      if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) ||
+          tmp[i] === "") {
+        // skip this "word"
+        continue;
+      }
+      // stem the word
+      var word = stemmer.stemWord(tmp[i].toLowerCase());
+      // prevent stemmer from cutting word smaller than two chars
+      if(word.length < 3 && tmp[i].length >= 3) {
+        word = tmp[i];
+      }
+      var toAppend;
+      // select the correct list
+      if (word[0] == '-') {
+        toAppend = excluded;
+        word = word.substr(1);
+      }
+      else {
+        toAppend = searchterms;
+        hlterms.push(tmp[i].toLowerCase());
+      }
+      // only add if not already in the list
+      if (!$u.contains(toAppend, word))
+        toAppend.push(word);
+    }
+    var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
+
+    // console.debug('SEARCH: searching for:');
+    // console.info('required: ', searchterms);
+    // console.info('excluded: ', excluded);
+
+    // prepare search
+    var terms = this._index.terms;
+    var titleterms = this._index.titleterms;
+
+    // array of [filename, title, anchor, descr, score]
+    var results = [];
+    $('#search-progress').empty();
+
+    // lookup as object
+    for (i = 0; i < objectterms.length; i++) {
+      var others = [].concat(objectterms.slice(0, i),
+                             objectterms.slice(i+1, objectterms.length));
+      results = results.concat(this.performObjectSearch(objectterms[i], others));
+    }
+
+    // lookup as search terms in fulltext
+    results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
+
+    // let the scorer override scores with a custom scoring function
+    if (Scorer.score) {
+      for (i = 0; i < results.length; i++)
+        results[i][4] = Scorer.score(results[i]);
+    }
+
+    // now sort the results by score (in opposite order of appearance, since the
+    // display function below uses pop() to retrieve items) and then
+    // alphabetically
+    results.sort(function(a, b) {
+      var left = a[4];
+      var right = b[4];
+      if (left > right) {
+        return 1;
+      } else if (left < right) {
+        return -1;
+      } else {
+        // same score: sort alphabetically
+        left = a[1].toLowerCase();
+        right = b[1].toLowerCase();
+        return (left > right) ? -1 : ((left < right) ? 1 : 0);
+      }
+    });
+
+    // for debugging
+    //Search.lastresults = results.slice();  // a copy
+    //console.info('search results:', Search.lastresults);
+
+    // print the results
+    var resultCount = results.length;
+    function displayNextItem() {
+      // results left, load the summary and display it
+      if (results.length) {
+        var item = results.pop();
+        var listItem = $('<li style="display:none"></li>');
+        if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') {
+          // dirhtml builder
+          var dirname = item[0] + '/';
+          if (dirname.match(/\/index\/$/)) {
+            dirname = dirname.substring(0, dirname.length-6);
+          } else if (dirname == 'index/') {
+            dirname = '';
+          }
+          listItem.append($('<a/>').attr('href',
+            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
+            highlightstring + item[2]).html(item[1]));
+        } else {
+          // normal html builders
+          listItem.append($('<a/>').attr('href',
+            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
+            highlightstring + item[2]).html(item[1]));
+        }
+        if (item[3]) {
+          listItem.append($('<span> (' + item[3] + ')</span>'));
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
+          var suffix = DOCUMENTATION_OPTIONS.SOURCELINK_SUFFIX;
+          if (suffix === undefined) {
+            suffix = '.txt';
+          }
+          $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[5] + (item[5].slice(-suffix.length) === suffix ? '' : suffix),
+                  dataType: "text",
+                  complete: function(jqxhr, textstatus) {
+                    var data = jqxhr.responseText;
+                    if (data !== '' && data !== undefined) {
+                      listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
+                    }
+                    Search.output.append(listItem);
+                    listItem.slideDown(5, function() {
+                      displayNextItem();
+                    });
+                  }});
+        } else {
+          // no source available, just display title
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        }
+      }
+      // search finished, update title and status message
+      else {
+        Search.stopPulse();
+        Search.title.text(_('Search Results'));
+        if (!resultCount)
+          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
+        else
+            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
+        Search.status.fadeIn(500);
+      }
+    }
+    displayNextItem();
+  },
+
+  /**
+   * search for object names
+   */
+  performObjectSearch : function(object, otherterms) {
+    var filenames = this._index.filenames;
+    var docnames = this._index.docnames;
+    var objects = this._index.objects;
+    var objnames = this._index.objnames;
+    var titles = this._index.titles;
+
+    var i;
+    var results = [];
+
+    for (var prefix in objects) {
+      for (var name in objects[prefix]) {
+        var fullname = (prefix ? prefix + '.' : '') + name;
+        if (fullname.toLowerCase().indexOf(object) > -1) {
+          var score = 0;
+          var parts = fullname.split('.');
+          // check for different match types: exact matches of full name or
+          // "last name" (i.e. last dotted part)
+          if (fullname == object || parts[parts.length - 1] == object) {
+            score += Scorer.objNameMatch;
+          // matches in last name
+          } else if (parts[parts.length - 1].indexOf(object) > -1) {
+            score += Scorer.objPartialMatch;
+          }
+          var match = objects[prefix][name];
+          var objname = objnames[match[1]][2];
+          var title = titles[match[0]];
+          // If more than one term searched for, we require other words to be
+          // found in the name/title/description
+          if (otherterms.length > 0) {
+            var haystack = (prefix + ' ' + name + ' ' +
+                            objname + ' ' + title).toLowerCase();
+            var allfound = true;
+            for (i = 0; i < otherterms.length; i++) {
+              if (haystack.indexOf(otherterms[i]) == -1) {
+                allfound = false;
+                break;
+              }
+            }
+            if (!allfound) {
+              continue;
+            }
+          }
+          var descr = objname + _(', in ') + title;
+
+          var anchor = match[3];
+          if (anchor === '')
+            anchor = fullname;
+          else if (anchor == '-')
+            anchor = objnames[match[1]][1] + '-' + fullname;
+          // add custom score for some objects according to scorer
+          if (Scorer.objPrio.hasOwnProperty(match[2])) {
+            score += Scorer.objPrio[match[2]];
+          } else {
+            score += Scorer.objPrioDefault;
+          }
+          results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]);
+        }
+      }
+    }
+
+    return results;
+  },
+
+  /**
+   * search for full-text terms in the index
+   */
+  performTermsSearch : function(searchterms, excluded, terms, titleterms) {
+    var docnames = this._index.docnames;
+    var filenames = this._index.filenames;
+    var titles = this._index.titles;
+
+    var i, j, file;
+    var fileMap = {};
+    var scoreMap = {};
+    var results = [];
+
+    // perform the search on the required terms
+    for (i = 0; i < searchterms.length; i++) {
+      var word = searchterms[i];
+      var files = [];
+      var _o = [
+        {files: terms[word], score: Scorer.term},
+        {files: titleterms[word], score: Scorer.title}
+      ];
+
+      // no match but word was a required one
+      if ($u.every(_o, function(o){return o.files === undefined;})) {
+        break;
+      }
+      // found search word in contents
+      $u.each(_o, function(o) {
+        var _files = o.files;
+        if (_files === undefined)
+          return
+
+        if (_files.length === undefined)
+          _files = [_files];
+        files = files.concat(_files);
+
+        // set score for the word in each file to Scorer.term
+        for (j = 0; j < _files.length; j++) {
+          file = _files[j];
+          if (!(file in scoreMap))
+            scoreMap[file] = {}
+          scoreMap[file][word] = o.score;
+        }
+      });
+
+      // create the mapping
+      for (j = 0; j < files.length; j++) {
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+            $u.contains(titleterms[excluded[i]] || [], file)) {
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+        // select one (max) score for the file.
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+        results.push([docnames[file], titles[file], '', null, score, filenames[file]]);
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+   * search summary for a given text. keywords is a list
+   * of stemmed words, hlwords is the list of normal, unstemmed
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+      if (i > -1)
+        start = i;
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+    var excerpt = ((start > 0) ? '...' : '') +
+      $.trim(text.substr(start, 240)) +
+      ((start + 240 - text.length) ? '...' : '');
+    var rv = $('<div class="context"></div>').text(excerpt);
+    $.each(hlwords, function() {
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+$(document).ready(function() {
+  Search.init();
+});

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+          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
+           <div itemprop="articleBody">
+            
+
+<h1 id="index">Index</h1>
+
+<div class="genindex-jumpbox">
+ <a href="#A"><strong>A</strong></a>
+ | <a href="#C"><strong>C</strong></a>
+ | <a href="#D"><strong>D</strong></a>
+ | <a href="#G"><strong>G</strong></a>
+ | <a href="#I"><strong>I</strong></a>
+ | <a href="#P"><strong>P</strong></a>
+ | <a href="#R"><strong>R</strong></a>
+ | <a href="#S"><strong>S</strong></a>
+ 
+</div>
+<h2 id="A">A</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.AUTH_STATE__NAMES">AUTH_STATE__NAMES (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.AUTH_STATE_KEY_TRANSFERRED">AUTH_STATE_KEY_TRANSFERRED (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.AUTH_STATE_SEED_REQUESTED">AUTH_STATE_SEED_REQUESTED (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.AUTH_STATE_SEED_TRANSFERRED">AUTH_STATE_SEED_TRANSFERRED (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.AUTH_STATE_TRUSTED_CLIENT">AUTH_STATE_TRUSTED_CLIENT (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.AUTH_STATE_UNKNOWN_CLIENT">AUTH_STATE_UNKNOWN_CLIENT (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.authentificate">authentificate() (socket_protocol.pure_json_protocol method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="C">C</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.check_authentification_state">check_authentification_state() (socket_protocol.pure_json_protocol method)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.connection_established">connection_established() (socket_protocol.pure_json_protocol method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="D">D</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.data_storage">data_storage (class in socket_protocol)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="G">G</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.data_storage.get_data">get_data() (socket_protocol.data_storage method)</a>
+</li>
+      <li><a href="index.html#socket_protocol.data_storage.get_data_id">get_data_id() (socket_protocol.data_storage method)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.data_storage.get_service_id">get_service_id() (socket_protocol.data_storage method)</a>
+</li>
+      <li><a href="index.html#socket_protocol.data_storage.get_status">get_status() (socket_protocol.data_storage method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="I">I</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.is_connected">is_connected() (socket_protocol.pure_json_protocol method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="P">P</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol">pure_json_protocol (class in socket_protocol)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="R">R</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.receive">receive() (socket_protocol.pure_json_protocol method)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.reconnect">reconnect() (socket_protocol.pure_json_protocol method)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.register_callback">register_callback() (socket_protocol.pure_json_protocol method)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="S">S</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.send">send() (socket_protocol.pure_json_protocol method)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID__NO_AUTH_LIST">SID__NO_AUTH_LIST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID__RESPONSE_DICT">SID__RESPONSE_DICT (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_AUTH_KEY_CHECK_REQUEST">SID_AUTH_KEY_CHECK_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_AUTH_KEY_CHECK_RESPONSE">SID_AUTH_KEY_CHECK_RESPONSE (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_AUTH_KEY_REQUEST">SID_AUTH_KEY_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_AUTH_SEED_REQUEST">SID_AUTH_SEED_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_CHANNEL_NAME_REQUEST">SID_CHANNEL_NAME_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_CHANNEL_NAME_RESPONSE">SID_CHANNEL_NAME_RESPONSE (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_EXECUTE_REQUEST">SID_EXECUTE_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_EXECUTE_RESPONSE">SID_EXECUTE_RESPONSE (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_READ_REQUEST">SID_READ_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_READ_RESPONSE">SID_READ_RESPONSE (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_WRITE_REQUEST">SID_WRITE_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.SID_WRITE_RESPONSE">SID_WRITE_RESPONSE (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#module-socket_protocol">socket_protocol (module)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS__NAMES">STATUS__NAMES (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS_AUTH_REQUIRED">STATUS_AUTH_REQUIRED (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS_BUFFERING_UNHANDLED_REQUEST">STATUS_BUFFERING_UNHANDLED_REQUEST (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS_CHECKSUM_ERROR">STATUS_CHECKSUM_ERROR (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS_OKAY">STATUS_OKAY (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS_OPERATION_NOT_PERMITTED">STATUS_OPERATION_NOT_PERMITTED (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.pure_json_protocol.STATUS_SERVICE_OR_DATA_UNKNOWN">STATUS_SERVICE_OR_DATA_UNKNOWN (socket_protocol.pure_json_protocol attribute)</a>
+</li>
+      <li><a href="index.html#socket_protocol.struct_json_protocol">struct_json_protocol (class in socket_protocol)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+
+
+           </div>
+           
+          </div>
+          <footer>
+  
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+
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+    <p>
+        
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+
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+  <meta charset="utf-8">
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+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+  <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
+    <input type="text" name="q" placeholder="Search docs" />
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+              <div class="local-toc"><ul>
+<li><a class="reference internal" href="#">Welcome to socket_protocol’s documentation!</a><ul>
+<li><a class="reference internal" href="#socket-protocol-socket-protocol">socket_protocol (Socket Protocol)</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#indices-and-tables">Indices and tables</a></li>
+</ul>
+</div>
+            
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+          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
+           <div itemprop="articleBody">
+            
+  <div class="section" id="module-socket_protocol">
+<span id="welcome-to-socket-protocol-s-documentation"></span><h1>Welcome to socket_protocol’s documentation!<a class="headerlink" href="#module-socket_protocol" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="socket-protocol-socket-protocol">
+<h2>socket_protocol (Socket Protocol)<a class="headerlink" href="#socket-protocol-socket-protocol" title="Permalink to this headline">¶</a></h2>
+<p><strong>Author:</strong></p>
+<ul class="simple">
+<li>Dirk Alders &lt;<a class="reference external" href="mailto:sudo-dirk&#37;&#52;&#48;mount-mockery&#46;de">sudo-dirk<span>&#64;</span>mount-mockery<span>&#46;</span>de</a>&gt;</li>
+</ul>
+<p><strong>Description:</strong></p>
+<blockquote>
+<div>This Module supports point to point communication for client-server issues.</div></blockquote>
+<p><strong>Submodules:</strong></p>
+<ul class="simple">
+<li><a class="reference internal" href="#socket_protocol.pure_json_protocol" title="socket_protocol.pure_json_protocol"><code class="xref py py-class docutils literal notranslate"><span class="pre">socket_protocol.pure_json_protocol</span></code></a></li>
+<li><a class="reference internal" href="#socket_protocol.struct_json_protocol" title="socket_protocol.struct_json_protocol"><code class="xref py py-class docutils literal notranslate"><span class="pre">socket_protocol.struct_json_protocol</span></code></a></li>
+</ul>
+<p><strong>Unittest:</strong></p>
+<blockquote>
+<div>See also the <a class="reference download internal" download="" href="_downloads/f482679fb1771f4d05403bb87fd0cc34/unittest.pdf"><code class="xref download docutils literal notranslate"><span class="pre">unittest</span></code></a> documentation.</div></blockquote>
+<p><strong>Module Documentation:</strong></p>
+<dl class="class">
+<dt id="socket_protocol.data_storage">
+<em class="property">class </em><code class="descclassname">socket_protocol.</code><code class="descname">data_storage</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.data_storage" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>status</strong> (<em>int</em>) – The message status.</li>
+<li><strong>service_id</strong> (<em>int</em>) – The Service-ID.</li>
+<li><strong>data_id</strong> (<em>int</em>) – The Data-ID.</li>
+<li><strong>data</strong> (<em>any</em>) – The transfered data.</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This is a storage object for socket_protocol messages.</p>
+<dl class="method">
+<dt id="socket_protocol.data_storage.get_data">
+<code class="descname">get_data</code><span class="sig-paren">(</span><em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.data_storage.get_data" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>default</strong> – The default value, if no data is available.</td>
+</tr>
+</tbody>
+</table>
+<p>This Method returns the message data.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.data_storage.get_data_id">
+<code class="descname">get_data_id</code><span class="sig-paren">(</span><em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.data_storage.get_data_id" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>default</strong> – The default value, if no data is available.</td>
+</tr>
+</tbody>
+</table>
+<p>This Method returns the message Data-ID.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.data_storage.get_service_id">
+<code class="descname">get_service_id</code><span class="sig-paren">(</span><em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.data_storage.get_service_id" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>default</strong> – The default value, if no data is available.</td>
+</tr>
+</tbody>
+</table>
+<p>This Method returns the message Service-ID.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.data_storage.get_status">
+<code class="descname">get_status</code><span class="sig-paren">(</span><em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.data_storage.get_status" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>default</strong> – The default value, if no data is available.</td>
+</tr>
+</tbody>
+</table>
+<p>This Method returns the message status.</p>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="socket_protocol.pure_json_protocol">
+<em class="property">class </em><code class="descclassname">socket_protocol.</code><code class="descname">pure_json_protocol</code><span class="sig-paren">(</span><em>comm_instance</em>, <em>secret=None</em>, <em>auto_auth=False</em>, <em>channel_name=None</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>comm_instance</strong> (<em>instance</em>) – A communication instance.</li>
+<li><strong>secret</strong> (<em>str</em>) – An optinal secret (e.g. created by <code class="docutils literal notranslate"><span class="pre">binascii.hexlify(os.urandom(24))</span></code>).</li>
+<li><strong>auto_auth</strong> (<em>bool</em>) – An optional parameter (True) to enable automatic authentification, otherwise you need to do it manually, if needed.</li>
+<li><strong>channel_name</strong> (<em>str</em>) – An optional parameter to set a channel name for logging of the communication.</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+<div class="admonition hint">
+<p class="first admonition-title">Hint</p>
+<p>This <cite>class</cite> supports to transfer a Service-ID, Data-ID and Data.</p>
+<ul class="last simple">
+<li>The Service-ID is designed to identify the type of the communication (e.g. READ_REQUEST, WRITE_REQUEST, READ_RESPONSE, WRITE_RESPONSE, …)</li>
+<li>The Data-ID is designed to identify the requests / responses using the same Service_ID.</li>
+</ul>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>The <code class="xref py py-class docutils literal notranslate"><span class="pre">comm_instance</span></code> needs to have at least the following interface:</p>
+<ul class="last simple">
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.init_channel_name()</span></code> to set the channel name if needed.</li>
+<li>A Constant <code class="xref py py-const docutils literal notranslate"><span class="pre">comm_instance.IS_CLIENT</span></code> to identify that the <code class="xref py py-class docutils literal notranslate"><span class="pre">comm_instance</span></code> is a client (True) or a server (False).</li>
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.is_connected()</span></code> to identify if the instance is connected (True) or not (False).</li>
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.reconnect()</span></code> to initiate a reconnect.</li>
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.register_callback()</span></code> to register a data available callback.</li>
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.register_connect_callback()</span></code> to register a connect callback.</li>
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.register_disconnect_callback()</span></code> to register a disconnect callback.</li>
+<li>A Method <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.send()</span></code> to send data via the <code class="xref py py-class docutils literal notranslate"><span class="pre">comm_instance</span></code>.</li>
+</ul>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">The parameter <code class="xref py py-const docutils literal notranslate"><span class="pre">auto_auth</span></code> is only relevant, if a secret is given and the <code class="xref py py-class docutils literal notranslate"><span class="pre">comm_instance</span></code> is a client. The authentification is initiated directly after the connection is established.</p>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>The <code class="xref py py-const docutils literal notranslate"><span class="pre">channel_name</span></code>-exchange will be initiated by the client directly after the the connection is established.</p>
+<ul class="last simple">
+<li>If a channel_name is given at both communication sides and they are different, the client name is taken over and the server will log a warning message.</li>
+</ul>
+</div>
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.AUTH_STATE_KEY_TRANSFERRED">
+<code class="descname">AUTH_STATE_KEY_TRANSFERRED</code><em class="property"> = 3</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.AUTH_STATE_KEY_TRANSFERRED" title="Permalink to this definition">¶</a></dt>
+<dd><p>Authentification Status for ‘Key has been sent’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.AUTH_STATE_SEED_REQUESTED">
+<code class="descname">AUTH_STATE_SEED_REQUESTED</code><em class="property"> = 1</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.AUTH_STATE_SEED_REQUESTED" title="Permalink to this definition">¶</a></dt>
+<dd><p>Authentification Status for ‘Seed was requested’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.AUTH_STATE_SEED_TRANSFERRED">
+<code class="descname">AUTH_STATE_SEED_TRANSFERRED</code><em class="property"> = 2</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.AUTH_STATE_SEED_TRANSFERRED" title="Permalink to this definition">¶</a></dt>
+<dd><p>Authentification Status for ‘Seed has been sent’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.AUTH_STATE_TRUSTED_CLIENT">
+<code class="descname">AUTH_STATE_TRUSTED_CLIENT</code><em class="property"> = 4</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.AUTH_STATE_TRUSTED_CLIENT" title="Permalink to this definition">¶</a></dt>
+<dd><p>Authentification Status for ‘Trusted Connection’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.AUTH_STATE_UNKNOWN_CLIENT">
+<code class="descname">AUTH_STATE_UNKNOWN_CLIENT</code><em class="property"> = 0</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.AUTH_STATE_UNKNOWN_CLIENT" title="Permalink to this definition">¶</a></dt>
+<dd><p>Authentification Status for ‘Unknown Client’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.AUTH_STATE__NAMES">
+<code class="descname">AUTH_STATE__NAMES</code><em class="property"> = {0: 'Unknown Client', 1: 'Seed was requested', 2: 'Seed has been sent', 3: 'Key has been sent', 4: 'Trusted Connection'}</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.AUTH_STATE__NAMES" title="Permalink to this definition">¶</a></dt>
+<dd><p>Authentification Status names for previous defined authentification states</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_AUTH_KEY_CHECK_REQUEST">
+<code class="descname">SID_AUTH_KEY_CHECK_REQUEST</code><em class="property"> = 3</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_AUTH_KEY_CHECK_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for request for checking a key</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_AUTH_KEY_CHECK_RESPONSE">
+<code class="descname">SID_AUTH_KEY_CHECK_RESPONSE</code><em class="property"> = 4</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_AUTH_KEY_CHECK_RESPONSE" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for the authentification response</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_AUTH_KEY_REQUEST">
+<code class="descname">SID_AUTH_KEY_REQUEST</code><em class="property"> = 2</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_AUTH_KEY_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for requesting a key for the given seed</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_AUTH_SEED_REQUEST">
+<code class="descname">SID_AUTH_SEED_REQUEST</code><em class="property"> = 1</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_AUTH_SEED_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for requesting a seed for authentification</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_CHANNEL_NAME_REQUEST">
+<code class="descname">SID_CHANNEL_NAME_REQUEST</code><em class="property"> = 5</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_CHANNEL_NAME_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for requesting a channel name exchange</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_CHANNEL_NAME_RESPONSE">
+<code class="descname">SID_CHANNEL_NAME_RESPONSE</code><em class="property"> = 6</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_CHANNEL_NAME_RESPONSE" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for the channel name response</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_EXECUTE_REQUEST">
+<code class="descname">SID_EXECUTE_REQUEST</code><em class="property"> = 30</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_EXECUTE_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for a execute request</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_EXECUTE_RESPONSE">
+<code class="descname">SID_EXECUTE_RESPONSE</code><em class="property"> = 31</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_EXECUTE_RESPONSE" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for a execute response</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_READ_REQUEST">
+<code class="descname">SID_READ_REQUEST</code><em class="property"> = 10</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_READ_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for a read data request</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_READ_RESPONSE">
+<code class="descname">SID_READ_RESPONSE</code><em class="property"> = 11</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_READ_RESPONSE" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for read data response</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_WRITE_REQUEST">
+<code class="descname">SID_WRITE_REQUEST</code><em class="property"> = 20</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_WRITE_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for a write data request</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID_WRITE_RESPONSE">
+<code class="descname">SID_WRITE_RESPONSE</code><em class="property"> = 21</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID_WRITE_RESPONSE" title="Permalink to this definition">¶</a></dt>
+<dd><p>SID for a write data response</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID__NO_AUTH_LIST">
+<code class="descname">SID__NO_AUTH_LIST</code><em class="property"> = [1, 2, 3, 4, 5, 6]</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID__NO_AUTH_LIST" title="Permalink to this definition">¶</a></dt>
+<dd><p>List of SIDs without need of an authentification</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.SID__RESPONSE_DICT">
+<code class="descname">SID__RESPONSE_DICT</code><em class="property"> = {1: 2, 2: 3, 3: 4, 5: 6, 10: 11, 20: 21, 30: 31}</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.SID__RESPONSE_DICT" title="Permalink to this definition">¶</a></dt>
+<dd><p>Dictionary to get the SID for the response by the key which is the SID for the request</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS_AUTH_REQUIRED">
+<code class="descname">STATUS_AUTH_REQUIRED</code><em class="property"> = 2</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS_AUTH_REQUIRED" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status for ‘authentification is required’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS_BUFFERING_UNHANDLED_REQUEST">
+<code class="descname">STATUS_BUFFERING_UNHANDLED_REQUEST</code><em class="property"> = 1</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS_BUFFERING_UNHANDLED_REQUEST" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status for ‘unhandled request’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS_CHECKSUM_ERROR">
+<code class="descname">STATUS_CHECKSUM_ERROR</code><em class="property"> = 4</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS_CHECKSUM_ERROR" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status for ‘checksum error’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS_OKAY">
+<code class="descname">STATUS_OKAY</code><em class="property"> = 0</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS_OKAY" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status for ‘okay’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS_OPERATION_NOT_PERMITTED">
+<code class="descname">STATUS_OPERATION_NOT_PERMITTED</code><em class="property"> = 5</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS_OPERATION_NOT_PERMITTED" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status for ‘operation not permitted’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS_SERVICE_OR_DATA_UNKNOWN">
+<code class="descname">STATUS_SERVICE_OR_DATA_UNKNOWN</code><em class="property"> = 3</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS_SERVICE_OR_DATA_UNKNOWN" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status for ‘service or data unknown’</p>
+</dd></dl>
+
+<dl class="attribute">
+<dt id="socket_protocol.pure_json_protocol.STATUS__NAMES">
+<code class="descname">STATUS__NAMES</code><em class="property"> = {0: 'Okay', 1: 'Request has no callback. Data buffered.', 2: 'Authentification required', 3: 'Service or Data unknown', 4: 'Checksum Error', 5: 'Operation not permitted'}</em><a class="headerlink" href="#socket_protocol.pure_json_protocol.STATUS__NAMES" title="Permalink to this definition">¶</a></dt>
+<dd><p>Status names for previous defined states</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.authentificate">
+<code class="descname">authentificate</code><span class="sig-paren">(</span><em>timeout=2</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.authentificate" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>timeout</strong> (<em>float</em>) – The timeout for the authentification (requesting seed, sending key and getting authentification_feedback).</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">True, if authentification was successfull; False, if not.</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
+</tr>
+</tbody>
+</table>
+<p>This method authetificates the client at the server.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">An authentification will only processed, if a secret had been given on initialisation.</p>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Client and Server needs to use the same secret.</p>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.check_authentification_state">
+<code class="descname">check_authentification_state</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.check_authentification_state" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">True, if authentification state is okay, otherwise False</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.connection_established">
+<code class="descname">connection_established</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.connection_established" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">True, if the connection is established (incl. authentification, if a secret has been given)</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.is_connected">
+<code class="descname">is_connected</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.is_connected" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">True if the <code class="xref py py-class docutils literal notranslate"><span class="pre">comm_instance</span></code> is connected, otherwise False..</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">bool</td>
+</tr>
+</tbody>
+</table>
+<p>This methods returns the return value of <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.is_connected()</span></code>.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.receive">
+<code class="descname">receive</code><span class="sig-paren">(</span><em>service_id</em>, <em>data_id</em>, <em>timeout=1</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.receive" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>service_id</strong> (<em>int</em>) – The Service-ID for the message. See class definitions starting with <code class="docutils literal notranslate"><span class="pre">SID_</span></code>.</li>
+<li><strong>data_id</strong> (<em>int</em>) – The Data-ID for the message.</li>
+<li><strong>timeout</strong> (<em>float</em>) – The timeout for receiving.</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The received data storage object or None, if no data was received.</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last"><a class="reference internal" href="#socket_protocol.data_storage" title="socket_protocol.data_storage">data_storage</a></p>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.reconnect">
+<code class="descname">reconnect</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.reconnect" title="Permalink to this definition">¶</a></dt>
+<dd><p>This methods initiates a reconnect by calling <code class="xref py py-func docutils literal notranslate"><span class="pre">comm_instance.reconnect()</span></code>.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.register_callback">
+<code class="descname">register_callback</code><span class="sig-paren">(</span><em>service_id</em>, <em>data_id</em>, <em>callback</em>, <em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.register_callback" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>service_id</strong> (<em>int</em>) – The Service-ID for the message. See class definitions starting with <code class="docutils literal notranslate"><span class="pre">SID_</span></code>.</li>
+<li><strong>data_id</strong> (<em>int</em>) – The Data-ID for the message.</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">True, if registration was successfull; False, if registration failed (e.g. existance of a callback for this configuration)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This method registers a callback for the given parameters. Givin <code class="docutils literal notranslate"><span class="pre">None</span></code> means, that all Service-IDs or all Data-IDs are used.
+If a message hitting these parameters has been received, the callback will be executed.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>The <code class="xref py py-func docutils literal notranslate"><span class="pre">callback()</span></code> is priorised in the following order:</p>
+<ul class="last simple">
+<li>Callbacks with defined Service-ID and Data-ID.</li>
+<li>Callbacks with a defined Data-ID.</li>
+<li>Callbacks with a defined Service-ID.</li>
+<li>Unspecific Callbacks</li>
+</ul>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>The <code class="xref py py-func docutils literal notranslate"><span class="pre">callback()</span></code> is executed with these arguments:</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">param msg:</th><td class="field-body">A <a class="reference internal" href="#socket_protocol.data_storage" title="socket_protocol.data_storage"><code class="xref py py-class docutils literal notranslate"><span class="pre">data_storage</span></code></a> object containing all message information.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">returns:</th><td class="field-body">(<code class="xref py py-const docutils literal notranslate"><span class="pre">status</span></code>, <code class="xref py py-const docutils literal notranslate"><span class="pre">response_data</span></code>)</td>
+</tr>
+</tbody>
+</table>
+<ul class="last simple">
+<li><code class="xref py py-const docutils literal notranslate"><span class="pre">status</span></code>: A status as defined as a constant of this class <code class="xref py py-const docutils literal notranslate"><span class="pre">STA_*</span></code> to be used as status for the response.</li>
+<li><code class="xref py py-const docutils literal notranslate"><span class="pre">response_data</span></code>: A JSON iterable object to be used as data for the response.</li>
+</ul>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Only callbacks defined in <a class="reference internal" href="#socket_protocol.pure_json_protocol.SID__RESPONSE_DICT" title="socket_protocol.pure_json_protocol.SID__RESPONSE_DICT"><code class="xref py py-const docutils literal notranslate"><span class="pre">pure_json_protocol.SID__RESPONSE_DICT</span></code></a> will send a response, using a Service-ID given in the dict and the same Data-ID to the client.</p>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="socket_protocol.pure_json_protocol.send">
+<code class="descname">send</code><span class="sig-paren">(</span><em>service_id</em>, <em>data_id</em>, <em>data</em>, <em>status=0</em>, <em>timeout=2</em>, <em>log_lvl=20</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.pure_json_protocol.send" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>service_id</strong> (<em>int</em>) – The Service-ID for the message. See class definitions starting with <code class="docutils literal notranslate"><span class="pre">SERVICE_</span></code>.</li>
+<li><strong>data_id</strong> (<em>int</em>) – The Data-ID for the message.</li>
+<li><strong>data</strong> (<em>str</em>) – The data to be transfered. The data needs to be json compatible.</li>
+<li><strong>status</strong> (<em>int</em>) – The Status for the message. All requests should have <code class="docutils literal notranslate"><span class="pre">STATUS_OKAY</span></code>.</li>
+<li><strong>timeout</strong> (<em>float</em>) – The timeout for sending data (e.g. time to establish new connection).</li>
+<li><strong>rx_log_lvl</strong> (<em>int</em>) – The log level to log outgoing TX-data</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">True if data had been sent, otherwise False.</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This methods sends out a message with the given content.</p>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="socket_protocol.struct_json_protocol">
+<em class="property">class </em><code class="descclassname">socket_protocol.</code><code class="descname">struct_json_protocol</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#socket_protocol.struct_json_protocol" title="Permalink to this definition">¶</a></dt>
+<dd><p>This Class has the same functionality like <a class="reference internal" href="#socket_protocol.pure_json_protocol" title="socket_protocol.pure_json_protocol"><code class="xref py py-class docutils literal notranslate"><span class="pre">pure_json_protocol</span></code></a>. The message length is less than for <a class="reference internal" href="#socket_protocol.pure_json_protocol" title="socket_protocol.pure_json_protocol"><code class="xref py py-class docutils literal notranslate"><span class="pre">pure_json_protocol</span></code></a>, but the functionality and compatibility is reduced.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">This class is depreceated and here for compatibility reasons (to support old clients or servers). Usage of <a class="reference internal" href="#socket_protocol.pure_json_protocol" title="socket_protocol.pure_json_protocol"><code class="xref py py-class docutils literal notranslate"><span class="pre">pure_json_protocol</span></code></a> is recommended.</p>
+</div>
+</dd></dl>
+
+</div>
+<div class="toctree-wrapper compound">
+</div>
+</div>
+<div class="section" id="indices-and-tables">
+<h1>Indices and tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline">¶</a></h1>
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