本文整理匯總了Python中multiprocessing.connection.Connection.poll方法的典型用法代碼示例。如果您正苦於以下問題：Python Connection.poll方法的具體用法？Python Connection.poll怎麽用？Python Connection.poll使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類multiprocessing.connection.Connection的用法示例。
在下文中一共展示了Connection.poll方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: device_send
# 需要導入模塊: from multiprocessing.connection import Connection [as 別名]
# 或者: from multiprocessing.connection.Connection import poll [as 別名]
def device_send(cls, ctrl_connection: Connection, send_config: SendConfig, dev_parameters: OrderedDict):
if not cls.init_device(ctrl_connection, is_tx=True, parameters=dev_parameters):
ctrl_connection.send("failed to start tx mode")
return False
if cls.ASYNCHRONOUS:
ret = cls.enter_async_send_mode(send_config.get_data_to_send)
else:
ret = cls.prepare_sync_send(ctrl_connection)
if ret != 0:
ctrl_connection.send("failed to start tx mode")
return False
exit_requested = False
buffer_size = cls.CONTINUOUS_TX_CHUNK_SIZE if send_config.continuous else cls.SYNC_TX_CHUNK_SIZE
if not cls.ASYNCHRONOUS and buffer_size == 0:
logger.warning("Send buffer size is zero!")
ctrl_connection.send("successfully started tx mode")
while not exit_requested and not send_config.sending_is_finished():
if cls.ASYNCHRONOUS:
try:
time.sleep(0.5)
except KeyboardInterrupt:
pass
else:
cls.send_sync(send_config.get_data_to_send(buffer_size))
while ctrl_connection.poll():
result = cls.process_command(ctrl_connection.recv(), ctrl_connection, is_tx=True)
if result == cls.Command.STOP.name:
exit_requested = True
break
if not cls.ASYNCHRONOUS:
# Some Sync send calls (e.g. USRP) are not blocking, so we wait a bit here to ensure
# that the send buffer on the SDR is cleared
time.sleep(0.75)
if exit_requested:
logger.debug("{}: exit requested. Stopping sending".format(cls.__class__.__name__))
if send_config.sending_is_finished():
logger.debug("{}: sending is finished.".format(cls.__class__.__name__))
cls.shutdown_device(ctrl_connection, is_tx=True)
ctrl_connection.close()示例2: device_receive
# 需要導入模塊: from multiprocessing.connection import Connection [as 別名]
# 或者: from multiprocessing.connection.Connection import poll [as 別名]
def device_receive(cls, data_connection: Connection, ctrl_connection: Connection, dev_parameters: OrderedDict):
if not cls.init_device(ctrl_connection, is_tx=False, parameters=dev_parameters):
ctrl_connection.send("failed to start rx mode")
return False
try:
cls.adapt_num_read_samples_to_sample_rate(dev_parameters[cls.Command.SET_SAMPLE_RATE.name])
except NotImplementedError:
# Many SDRs like HackRF or AirSpy do not need to calculate SYNC_RX_CHUNK_SIZE
# as default values are either fine or given by the hardware
pass
if cls.ASYNCHRONOUS:
ret = cls.enter_async_receive_mode(data_connection, ctrl_connection)
else:
ret = cls.prepare_sync_receive(ctrl_connection)
if ret != 0:
ctrl_connection.send("failed to start rx mode")
return False
exit_requested = False
ctrl_connection.send("successfully started rx mode")
while not exit_requested:
if cls.ASYNCHRONOUS:
try:
time.sleep(0.25)
except KeyboardInterrupt:
pass
else:
cls.receive_sync(data_connection)
while ctrl_connection.poll():
result = cls.process_command(ctrl_connection.recv(), ctrl_connection, is_tx=False)
if result == cls.Command.STOP.name:
exit_requested = True
break
cls.shutdown_device(ctrl_connection, is_tx=False)
data_connection.close()
ctrl_connection.close()