def connect_build(self, nyamuk, keepalive, clean_session, retain = 0, dup = 0, version = 3):
"""Build packet for CONNECT command."""
will = 0; will_topic = None
byte = 0
client_id = utf8encode(nyamuk.client_id)
username = utf8encode(nyamuk.username) if nyamuk.username is not None else None
password = utf8encode(nyamuk.password) if nyamuk.password is not None else None
#payload len
payload_len = 2 + len(client_id)
if nyamuk.will is not None:
will = 1
will_topic = utf8encode(nyamuk.will.topic)
payload_len = payload_len + 2 + len(will_topic) + 2 + nyamuk.will.payloadlen
if username is not None:
payload_len = payload_len + 2 + len(username)
if password != None:
payload_len = payload_len + 2 + len(password)
self.command = NC.CMD_CONNECT
self.remaining_length = 12 + payload_len
rc = self.alloc()
if rc != NC.ERR_SUCCESS:
return rc
#var header
self.write_string(getattr(NC, 'PROTOCOL_NAME_{0}'.format(version)))
self.write_byte( getattr(NC, 'PROTOCOL_VERSION_{0}'.format(version)))
byte = (clean_session & 0x1) << 1
if will:
byte = byte | ((nyamuk.will.retain & 0x1) << 5) | ((nyamuk.will.qos & 0x3) << 3) | ((will & 0x1) << 2)
if nyamuk.username is not None:
byte = byte | 0x1 << 7
if nyamuk.password is not None:
byte = byte | 0x1 << 6
self.write_byte(byte)
self.write_uint16(keepalive)
#payload
self.write_string(client_id)
if will:
self.write_string(will_topic)
self.write_string(nyamuk.will.payload)
if username is not None:
self.write_string(username)
if password is not None:
self.write_string(password)
nyamuk.keep_alive = keepalive
return NC.ERR_SUCCESS
def send_publish(self, mid, topic, payload, qos, retain, dup):
"""Send PUBLISH."""
self.logger.debug("Send PUBLISH")
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
#NOTE: payload may be any kind of data
# yet if it is a unicode string we utf8-encode it as convenience
return self._do_send_publish(mid, utf8encode(topic), utf8encode(payload), qos, retain, dup)
def send_publish(self, mid, topic, payload, qos, retain, dup):
"""Send PUBLISH."""
self.logger.debug("Send PUBLISH")
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
#NOTE: payload may be any kind of data
# yet if it is a unicode string we utf8-encode it as convenience
return self._do_send_publish(mid, utf8encode(topic),
utf8encode(payload), qos, retain, dup)
def unsubscribe(self, topic):
"""Unsubscribe to some topic."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("UNSUBSCRIBE: %s", topic)
return self.send_unsubscribe(False, [utf8encode(topic)])
def subscribe(self, topic, qos):
"""Subscribe to some topic."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("SUBSCRIBE: %s", topic)
return self.send_subscribe(False, [(utf8encode(topic), qos)])
def setURL(self, URL=None):
LogEvent(INFO, self.session.jabberID, "setURL %s" % URL)
try:
self.bos.setURL(utils.utf8encode(URL))
except AttributeError:
#self.alertUser(lang.get("sessionnotactive", config.jid)
pass
def unsubscribe_multi(self, topics):
"""Unsubscribe to some topics."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("UNSUBSCRIBE: %s", ', '.join(topics))
return self.send_unsubscribe(False, [utf8encode(topic) for topic in topics])
def subscribe_multi(self, topics):
"""Subscribe to some topics."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("SUBSCRIBE: %s", ', '.join([t for (t,q) in topics]))
return self.send_subscribe(False, [(utf8encode(topic), qos) for (topic, qos) in topics])
def unsubscribe(self, topic):
"""Unsubscribe to some topic."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("UNSUBSCRIBE: %s", topic)
return self.send_unsubscribe(False, [utf8encode(topic)])
def connect(self, version = 3, clean_session = 1, will = None):
"""Connect to server."""
self.clean_session = clean_session
self.will = None
if will is not None:
self.will = NyamukMsg(
topic = will['topic'],
# unicode text needs to be utf8 encoded to be sent on the wire
# str or bytearray are kept as it is
payload = utf8encode(will.get('message','')),
qos = will.get('qos', 0),
retain = will.get('retain', False)
)
#CONNECT packet
pkt = MqttPkt()
pkt.connect_build(self, self.keep_alive, clean_session, version = version)
#create socket
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
if self.ssl:
opts = {
'do_handshake_on_connect': True,
'ssl_version': ssl.PROTOCOL_TLSv1
}
opts.update(self.ssl_opts)
#print opts, self.port
try:
self.sock = ssl.wrap_socket(self.sock, **opts)
except Exception, e:
self.logger.error("failed to initiate SSL connection: {0}".format(e))
return NC.ERR_UNKNOWN
def subscribe(self, topic, qos):
"""Subscribe to some topic."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("SUBSCRIBE: %s", topic)
return self.send_subscribe(False, [(utf8encode(topic), qos)])
def setURL(self, URL=None):
LogEvent(INFO, self.session.jabberID, "setURL %s" % URL)
try:
self.bos.setURL(utils.utf8encode(URL))
except AttributeError:
#self.alertUser(lang.get("sessionnotactive", config.jid)
pass
def subscribe_multi(self, topics):
"""Subscribe to some topics."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("SUBSCRIBE: %s", ', '.join([t for (t, q) in topics]))
return self.send_subscribe(False, [(utf8encode(topic), qos)
for (topic, qos) in topics])
def setBack(self, backMessage=None):
LogEvent(INFO, self.session.jabberID)
try:
self.bos.awayResponses = {}
self.bos.setBack(utils.utf8encode(backMessage))
except AttributeError:
#self.alertUser(lang.get("sessionnotactive", config.jid))
pass
def setBack(self, backMessage=None):
LogEvent(INFO, self.session.jabberID)
try:
self.bos.awayResponses = {}
self.bos.setBack(utils.utf8encode(backMessage))
except AttributeError:
#self.alertUser(lang.get("sessionnotactive", config.jid))
pass
def unsubscribe_multi(self, topics):
"""Unsubscribe to some topics."""
if self.sock == NC.INVALID_SOCKET:
return NC.ERR_NO_CONN
self.logger.info("UNSUBSCRIBE: %s", ', '.join(topics))
return self.send_unsubscribe(False,
[utf8encode(topic) for topic in topics])
def connect(self, version=3, clean_session=1, will=None):
"""Connect to server."""
self.clean_session = clean_session
self.will = None
if will is not None:
self.will = NyamukMsg(
topic=will['topic'],
# unicode text needs to be utf8 encoded to be sent on the wire
# str or bytearray are kept as it is
payload=utf8encode(will.get('message', '')),
qos=will.get('qos', 0),
retain=will.get('retain', False))
#CONNECT packet
pkt = MqttPkt()
pkt.connect_build(self,
self.keep_alive,
clean_session,
version=version)
#create socket
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
if self.ssl:
opts = {
'do_handshake_on_connect': True,
'ssl_version': ssl.PROTOCOL_TLSv1
}
opts.update(self.ssl_opts)
#print opts, self.port
try:
self.sock = ssl.wrap_socket(self.sock, **opts)
except Exception, e:
self.logger.error(
"failed to initiate SSL connection: {0}".format(e))
return NC.ERR_UNKNOWN
def connect_build(self,
nyamuk,
keepalive,
clean_session,
retain=0,
dup=0,
version=3):
"""Build packet for CONNECT command."""
will = 0
will_topic = None
byte = 0
client_id = utf8encode(nyamuk.client_id)
username = utf8encode(
nyamuk.username) if nyamuk.username is not None else None
password = utf8encode(
nyamuk.password) if nyamuk.password is not None else None
#payload len
payload_len = 2 + len(client_id)
if nyamuk.will is not None:
will = 1
will_topic = utf8encode(nyamuk.will.topic)
payload_len = payload_len + 2 + len(
will_topic) + 2 + nyamuk.will.payloadlen
if username is not None:
payload_len = payload_len + 2 + len(username)
if password != None:
payload_len = payload_len + 2 + len(password)
self.command = NC.CMD_CONNECT
self.remaining_length = 12 + payload_len
rc = self.alloc()
if rc != NC.ERR_SUCCESS:
return rc
#var header
self.write_string(getattr(NC, 'PROTOCOL_NAME_{0}'.format(version)))
self.write_byte(getattr(NC, 'PROTOCOL_VERSION_{0}'.format(version)))
byte = (clean_session & 0x1) << 1
if will:
byte = byte | ((nyamuk.will.retain & 0x1) << 5) | (
(nyamuk.will.qos & 0x3) << 3) | ((will & 0x1) << 2)
if nyamuk.username is not None:
byte = byte | 0x1 << 7
if nyamuk.password is not None:
byte = byte | 0x1 << 6
self.write_byte(byte)
self.write_uint16(keepalive)
#payload
self.write_string(client_id)
if will:
self.write_string(will_topic)
self.write_string(nyamuk.will.payload)
if username is not None:
self.write_string(username)
if password is not None:
self.write_string(password)
nyamuk.keep_alive = keepalive
return NC.ERR_SUCCESS
