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")
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")
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
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