Exemplo n.º 1
0
 def _sample_data_loop(self, sample_interval):
     while not self.sampling_gl_quit.wait(timeout=sample_interval):
         try:
             if self.agent_plugin:
                 sample = self.agent_plugin.acquire_samples()
                 if sample:
                     #log.info("Sample %s", sample)
                     packet = DataPacketBuilder.build_packet_from_samples(sample,
                                 resource_id=self.resource_id, stream_name=self.stream_name)
                     self.stream_pub.publish(packet)
         except Exception as ex:
             log.exception("Error in sampling greenlet")
Exemplo n.º 2
0
 def _sample_data_loop(self, sample_interval):
     while not self.sampling_gl_quit.wait(timeout=sample_interval):
         try:
             if self.agent_plugin:
                 sample = self.agent_plugin.acquire_samples()
                 if sample:
                     #log.info("Sample %s", sample)
                     packet = DataPacketBuilder.build_packet_from_samples(
                         sample,
                         resource_id=self.resource_id,
                         stream_name=self.stream_name)
                     self.stream_pub.publish(packet)
         except Exception as ex:
             log.exception("Error in sampling greenlet")
Exemplo n.º 3
0
    def _get_data_packet(self, index, num_rows=1):
        """ Return a data packet with number of samples.
        The index indicates the offset from the starting timestamp, 10 sec per sample."""
        base_ts = 1000000000
        index_ts = base_ts + 10 * index

        # Core samples as provided by agent.acquire_samples
        sample_list = []
        for i in xrange(num_rows):
            ts = index_ts + i * 10
            sample = [NTP4Time(ts).to_ntp64(),
                      float(index + i),
                      random.random()*100]

            sample_list.append(sample)

        sample_desc = dict(cols=["time", "var1", "random1"],
                           data=sample_list)

        packet = DataPacketBuilder.build_packet_from_samples(sample_desc,
                                                             resource_id="ds_id", stream_name="basic_streams")

        return packet
Exemplo n.º 4
0
    def _get_data_packet(self, index, num_rows=1):
        """ Return a data packet with number of samples.
        The index indicates the offset from the starting timestamp, 10 sec per sample."""
        base_ts = 1000000000
        index_ts = base_ts + 10 * index

        # Core samples as provided by agent.acquire_samples
        sample_list = []
        for i in xrange(num_rows):
            ts = index_ts + i * 10
            sample = [
                NTP4Time(ts).to_ntp64(),
                float(index + i),
                random.random() * 100
            ]

            sample_list.append(sample)

        sample_desc = dict(cols=["time", "var1", "random1"], data=sample_list)

        packet = DataPacketBuilder.build_packet_from_samples(
            sample_desc, resource_id="ds_id", stream_name="basic_streams")

        return packet