Exemple #1
0
    def dataReceived(self, data):
        self.buffer += data
        self.totalData += len(data)

        parseBuffer = DataBuffer(self.buffer)
        while parseBuffer.lenLeft() > 0:
            packetType = ord(parseBuffer.read(1))

            #logging.debug("packet 0x%x" % (packetType,))
            try:
                format = PACKET_FORMATS[packetType]
            except KeyError:
                logging.error("invalid packet type - 0x%x %r %r" %
                              (packetType, len(self.buffer), self.buffer))
                logging.error("last 0x%x" % (self.lastPacket, ))
                #self.transport.loseConnection()
                return

            try:
                #format = PACKET_FORMATS[PACKET_NEW]
                parts = list(format.decode(parseBuffer) or [])
            except IncompleteDataError:
                break
                #pass
            self.buffer = parseBuffer.peek()

            #interesting benchmark stuffs
            #self.packetCounts[packetType] += 1
            #self.counter += 1
            #if self.counter % 1000 == 0:
            #    d = time.time()-self.lastCountTime
            #    logging.debug("1000 in %r - %r packets/s - %r kB/s" % (d, 1000/d, self.totalData/1000/d))
            #    logging.debug(repr(self.packetCounts.most_common(5)))
            #    self.lastCountTime = time.time()
            #    self.totalData = 0
            #    self.packetCounts.clear()

            self.lastPacket = packetType

            for handler in self.packetHandlers[packetType]:
                try:
                    ret = handler(parts)
                    #logging.info(parts)
                    if ret == False:
                        return
                except Exception as ex:
                    logging.error("Exception in handling packet 0x%02x:" %
                                  (packetType, ))
                    logging.exception(ex)
Exemple #2
0
 def dataReceived(self, data):
     self.buffer += data
     self.totalData += len(data)
     
     parseBuffer = DataBuffer(self.buffer)
     while parseBuffer.lenLeft() > 0:
         packetType = ord(parseBuffer.read(1))
         
         #logging.debug("packet 0x%x" % (packetType,))
         try:
             format = PACKET_FORMATS[packetType]
         except KeyError:
             logging.error("invalid packet type - 0x%x %r %r" % (packetType,
                 len(self.buffer), self.buffer))
             logging.error("last 0x%x" % (self.lastPacket,))
             #self.transport.loseConnection()
             return
         
         try:
             #format = PACKET_FORMATS[PACKET_NEW]
             parts = list(format.decode(parseBuffer) or [])
         except IncompleteDataError:
             break
             #pass
         self.buffer = parseBuffer.peek()
         
         
         #interesting benchmark stuffs
         #self.packetCounts[packetType] += 1
         #self.counter += 1
         #if self.counter % 1000 == 0:
         #    d = time.time()-self.lastCountTime
         #    logging.debug("1000 in %r - %r packets/s - %r kB/s" % (d, 1000/d, self.totalData/1000/d))
         #    logging.debug(repr(self.packetCounts.most_common(5)))
         #    self.lastCountTime = time.time()
         #    self.totalData = 0
         #    self.packetCounts.clear()
         
         self.lastPacket = packetType
         
         for handler in self.packetHandlers[packetType]:
             try:
                 ret = handler(parts)
                 #logging.info(parts)
                 if ret == False:
                     return
             except Exception as ex:
                 logging.error("Exception in handling packet 0x%02x:" % (packetType,))
                 logging.exception(ex)
class BaseConnection(object):
	def __init__(self):
		self.__buffer = DataBuffer()

	def dump_buffer(self):
		self.__buffer.dump()

	def command(self, text, timeout = 1.0, wait_response = True):
		data = (text + "\n").encode("utf-8")
		self._write(data)
		if wait_response and text.endswith("?"):
			return self.readline(timeout = timeout)
		else:
			time.sleep(0.2)

	def readline(self, codec = "utf-8", timeout = 1.0):
		return self.__buffer.getline(codec = codec, timeout = timeout)

	def get(self, length, timeout = 1.0):
		return self.__buffer.get(length, timeout = timeout)

	def get_tmc_data(self, timeout = 5.0):
		header = self.__buffer.get(2)
		assert(header[0] == ord("#"))
		digit_count = int(chr(header[1]))
		data_length = self.__buffer.get(digit_count)
		data_length = int(data_length.decode("ascii"))
		data = self.__buffer.get(data_length, timeout = timeout)

		# Yes, that's pretty stupid. But it sends a newline after binary,
		# length-delimited data.
		newline = self.__buffer.get(1)
		assert(newline[0] == 10)

		return data

	def _put(self, data):
#		print("<-", data)
		self.__buffer.put(data)

	def _write(self, data):
		print("->", data)
		self._raw_write(data)

	def _raw_write(self, data):
		raise Exception(NotImplemented)
Exemple #4
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 def test_stream(self):
     buf = DataBuffer()
     buf2 = DataBuffer()
     buf3 = DataBuffer()
     stream = DataStream()
     stream.buffer_stream.put(buf)
     stream.buffer_stream.put(buf2)
     stream.buffer_stream.put(buf3)
     stream.stream()
     assert(stream.result_stream.get() == buf)
     assert(stream.result_stream.empty() == False)
     stream.result_stream.task_done()
     assert(stream.result_stream.get() == buf2)
     assert(stream.result_stream.empty() == False)
     stream.result_stream.task_done()
     assert(stream.result_stream.get() == buf3)
     assert(stream.result_stream.empty() == True)
     stream.result_stream.task_done()
     assert(stream.result_stream.empty() == True)
 def process(self):
     counter=0
     while counter < self.stream_size and self.translation_finished == False:
         Translator.process(self)
         reader = self.wb.get_sheet_by_name(self.sheet_name)
         skipfirst = 0
         for row in reader.rows:
             if skipfirst != 0:
                 buf = DataBuffer()
                 start_element = row[0].value
                 
                 #If the row is not empty, populate and push the data buffer
                 if start_element != '' and start_element is not None:
                     for col in row:
                         if col.value != '' and col.value is not None:
                             buf.append(col.value)
                         if self.type == 0:
                             buf.type = self.current_sheet+1
                         else:
                             but.type = self.current_sheet+6
                     buf.next_status()
                     self.output_queue.put(buf)
                 #If the row is empty, flip the section finished flag
                 else:
                     self.section_finished = True
                 counter+=1
             skipfirst+=1
         self.last_read+=self.stream_size
         self.section_finished = True
Exemple #6
0
    def dataReceived(self, data):
        self.buffer += data

        parseBuffer = DataBuffer(self.buffer)
        while parseBuffer.lenLeft() > 0:
            packetType = ord(parseBuffer.read(1))

            #logging.debug("packet 0x%x" % (packetType,))
            try:
                format = PACKET_FORMATS[packetType]
            except KeyError:
                logging.error("invalid packet type - 0x%x %r %r" %
                              (packetType, len(self.buffer), self.buffer))

                self.transport.loseConnection()
                return

            try:
                parts = list(format.decode(parseBuffer) or [])
            except IncompleteDataError:
                break
            self.buffer = parseBuffer.peek()

            self.counter += 1

            #TODO: send the keepalive at some set interval
            if self.counter % 300 == 0:
                self.sendPacked(PACKET_KEEPALIVE)

            for handler in self.packetHandlers[packetType]:
                try:
                    ret = handler(parts)
                    if ret == False:
                        return
                except Exception as ex:
                    log.err(ex)
Exemple #7
0
 def dataReceived(self, data):
     self.buffer += data
     
     parseBuffer = DataBuffer(self.buffer)
     while parseBuffer.lenLeft() > 0:
         packetType = ord(parseBuffer.read(1))
         
         #logging.debug("packet 0x%x" % (packetType,))
         try:
             format = PACKET_FORMATS[packetType]
         except KeyError:
             logging.error("invalid packet type - 0x%x %r %r" % (packetType,
                 len(self.buffer), self.buffer))
             
             self.transport.loseConnection()
             return
         
         try:
             parts = list(format.decode(parseBuffer) or [])
         except IncompleteDataError:
             break
         self.buffer = parseBuffer.peek()
         
         self.counter += 1
         
         #TODO: send the keepalive at some set interval
         if self.counter % 300 == 0:
             self.sendPacked(PACKET_KEEPALIVE)
         
         for handler in self.packetHandlers[packetType]:
             try:
                 ret = handler(parts)
                 if ret == False:
                     return
             except Exception as ex:
                 log.err(ex)
 def process(self):
     self.con = lite.connect(self.input_file)
     with self.con:
         cur = self.con.cursor()
         cur.execute("SELECT * FROM {} LIMIT ? OFFSET ?".format(self.table_name), (self.stream_size, self.last_read))
         rows = cur.fetchall()
         self.last_read+=len(rows)
         if len(rows) < self.stream_size:
             self.section_finished = True
         if rows is not None and len(rows) != 0:
             for row in rows:
                 buf = DataBuffer()
                 for col in row:
                     buf.append(col)
                 if self.type == 0:
                     buf.type = self.current_table+1
                 else:
                     buf.type = self.current_table+1
                 buf.next_status()
                 self.output_queue.put(buf)
         Translator.process(self)
 def process(self):
     print('CSVTranslator Process Called')
     with open(self.input_file, 'rb') as csvfile:
         self.reader = csv.reader(csvfile, delimiter=',', quotechar='|')
         #Counter to reset on next section
         k=0
         
         #Process Counter
         j=0
         
         #Last Read
         i=self.last_read
         
         
         for row in self.reader:
             
             if j - i < self.stream_size and j >= i:
                 #Check for the type of the data buffer
                 if row[0] != self.current_type:
                     self.next_section()
                     self.current_type = row[0]
                     print('Current Type set to %s' % (self.current_type))
                     k=0
                 else:
                     k+=1
                     
                     #Create the data buffer
                     buf = DataBuffer()
                     print('Data buffer initialized')
                     skipfirst = 0
                     for col in row:
                         if skipfirst != 0:
                             buf.append(col)
                             print('%s appended to data buffer' % (col))
                         skipfirst+=1
                     buf.type = self.current_type
                     #The buffer has been translated
                     buf.next_status()
                     print('Buffer type set to %s' % (self.current_type))
                     self.output_queue.put(buf)
                     print('Buffer written to queue')
             j+=1
         self.last_read+=self.stream_size
         print('Last read set to %s' % (self.last_read))
	def __init__(self):
		self.__buffer = DataBuffer()
Exemple #11
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 def test_buffer(self):
     buf = DataBuffer()
     
     #Append
     buf.append(1)
     assert(buf.data[0] == 1)
     
     buf.append(2)
     assert(buf.data[0] == 1)
     assert(buf.data[1] == 2)
     
     buf.append(3)
     
     #Remove
     buf.remove(1)
     assert(buf.data[0] == 2)
     
     #Clear
     buf.clear()
     assert(buf.length() == 0)
     
     #Next Status
     assert(buf.status == 0)
     buf.next_status()
     assert(buf.status == 1)
     buf.next_status()
     assert(buf.status == 2)
     buf.next_status()
     assert(buf.status == 3)
     buf.next_status()
     assert(buf.status == 3)
     
     #Add Error
     buf.add_error('Test')
     assert(buf.error[0] == 'Test')
     buf.add_error('Test2')
     assert(buf.error[0] == 'Test')
     assert(buf.error[1] == 'Test2')
     
     #Clear Erros
     buf.clear_error()
     assert(len(buf.error) == 0)