def generate_real_stream(port, n_messages=None, interval=0.01):
from bsread.sender import Sender
generator = Sender(port=port)
for channel in simulated_channels:
generator.add_channel(**channel)
generator.generate_stream(n_messages=n_messages, interval=interval)
def createStream():
s = TestData()
generator = Sender()
for par in pars:
generator.add_channel(par, partial(s.getPar, parameter=par))
generator.generate_stream()
# image.append(line)
image.append([1.0, 2.0, 3.0, 4.0])
return image
if __name__ == "__main__":
generator = Sender()
generator.add_channel('ABC', lambda x: x, metadata={'type': 'int32'})
generator.add_channel('ABC_BIG',
lambda x: struct.pack('>i', x),
metadata={
'type': 'int32',
'encoding': 'big'
})
generator.add_channel('ABCD', lambda x: x * 10.0)
generator.add_channel('ABCDF', lambda x: x * 100.0)
generator.add_channel('XYZ', lambda x: x * 200.0)
generator.add_channel('XYZW',
lambda x: 'hello',
metadata={'type': 'string'})
generator.add_channel('WWW',
lambda x: [1.0, 2.0, 3.0, 4.0],
metadata={
'type': 'float64',
'shape': [4]
})
generator.add_channel('WAVE', waveform, metadata={'shape': [30]})
generator.add_channel('IMAGE', image, metadata={'shape': [4, 2]})
generator.generate_stream()
def main():
parser = argparse.ArgumentParser()
device_name = os.getenv("DEVICE_NAME", "test_device")
parser.add_argument('--device_name',
type=str,
default=device_name,
help='Simulated device name')
source_file = os.getenv("SOURCE_FILE", "sources.json")
parser.add_argument('--source_file',
type=str,
default=source_file,
help='Simulation sources file')
port = os.getenv("PORT", 9999)
parser.add_argument('--port',
type=int,
default=port,
help='Simulation sources file')
args = parser.parse_args()
device_name = args.device_name
source_file = args.source_file
port = args.port
_logger.info("Starting generator for device %s on port %s." %
(device_name, port))
with open(source_file, 'r') as input_file:
sources = json.load(input_file)
if device_name not in sources:
raise ValueError("device_name=%s not found in sources file." %
device_name)
try:
channels_metadata = sources[device_name]
sender = Sender(port=port)
for channel in channels_metadata:
_logger.info("Adding channel %s with type %s and shape %s.." %
(channel["name"], channel["type"], channel["shape"]))
sender.add_channel(name=channel["name"],
function=get_generator_function(
channel["type"], channel["shape"]),
metadata={
"type": channel["type"],
"shape": channel["shape"]
})
sender.generate_stream()
except KeyboardInterrupt:
_logger.info('Generator %s interupted (SIGINT)', device_name)
except Exception as e:
_logger.exception('Generator %s stopped', device_name)
