def simulate_ricefield_site(site_id, n_nodes = 100, site_alias = None): site = Site.query.filter_by(id = site_id).first() if not site: if n_nodes and site_alias: site = Site.create(alias = site_alias) for n in xrange(n_nodes): NodeSeeder.seed_ricefield_node(n_readings = 0, site = site) else: print 'No site with the supplied site_id was found. In this case you must supply values for both n_nodes and site_alias. Returning None' return def run_simulation(site): total_sensors = sum([len(node.sensors) for node in site.nodes]) wait = 3600.0 / total_sensors node_ids = map(lambda node: node.id, site.nodes) shuffle(node_ids) print 'Simulating site %s with nodes %s'%(site.id, node_ids) while True: for node_id in node_ids: node = Node.query.filter_by(id = node_id).first() for sensor in node.sensors: r = Reading.create(sensor = sensor, value = random() * 100, timestamp = datetime.now()) print 'Created reading %s at site %s, node %s'%(r, site.id, node.id) time.sleep(wait) run_simulation(site)
def simulate_ricefield_site(site_id, n_nodes=100, site_alias=None):
site = Site.query.filter_by(id=site_id).first()
if not site:
if n_nodes and site_alias:
site = Site.create(alias=site_alias)
for n in xrange(n_nodes):
NodeSeeder.seed_ricefield_node(n_readings=0, site=site)
else:
print 'No site with the supplied site_id was found. In this case you must supply values for both n_nodes and site_alias. Returning None'
return
def run_simulation(site):
total_sensors = sum([len(node.sensors) for node in site.nodes])
wait = 3600.0 / total_sensors
node_ids = map(lambda node: node.id, site.nodes)
shuffle(node_ids)
print 'Simulating site %s with nodes %s' % (site.id, node_ids)
while True:
for node_id in node_ids:
node = Node.query.filter_by(id=node_id).first()
for sensor in node.sensors:
r = Reading.create(sensor=sensor,
value=random() * 100,
timestamp=datetime.now())
print 'Created reading %s at site %s, node %s' % (
r, site.id, node.id)
time.sleep(wait)
run_simulation(site)
def seed_ricefield_site(site_alias=None,
n_nodes=1,
n_readings=5,
**kwargs):
if not site_alias:
site_alias = 'site_%s' % uuid.uuid4().hex
site = Site.create(alias=site_alias)
nodes = [
NodeSeeder.seed_ricefield_node(n_readings=n_readings,
site=site,
**kwargs) for i in range(n_nodes)
]
return site
def seed_ricefield_site(site_alias = None, n_nodes = 1, n_readings = 5, **kwargs): if not site_alias: site_alias = 'site_%s'%uuid.uuid4().hex site = Site.create(alias = site_alias) nodes = [NodeSeeder.seed_ricefield_node(n_readings = n_readings, site = site, **kwargs) for i in range(n_nodes)] return site
