32 lines
1.1 KiB
Python
32 lines
1.1 KiB
Python
import slam.SlamController_pb2_grpc as grpc
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import slam.SlamController_pb2 as proto
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import slam.slam_streamer as slam
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from multiprocessing import Process
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class SlamServicer(grpc.SlamControlServicer):
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slam_thread = None
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def __init__(self):
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print('Servicer initialised')
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self.slam = slam.SlamStreamer()
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def start_map_streaming(self, request, context):
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print('Received Map Start Streaming Request')
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if self.slam_thread is None:
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print('initialising slam_thread')
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# Don't bother creating and starting slam more than once.
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self.slam.port = request.port
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self.slam.map_pixels = request.map_size_pixels
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self.slam.map_meters = request.map_size_meters
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self.slam_thread = Process(target=self.slam.start)
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self.slam_thread.start()
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return proto.Empty()
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def stop_streaming(self, request, context):
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if self.slam_thread is not None:
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self.slam.stop_scanning()
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self.slam_thread.join()
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self.slam = None
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return proto.Empty()
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