def get_nearest_router(self, ip):
isp = self.get_isp(ip)
ip_lat, ip_long = self.get_ip_coordinate(ip)
argmin_router = isp * self.end_router_per_isp
min_distance = coord_distance(ip_lat, ip_long,
*self.router_coordinates[argmin_router])
for r in xrange(isp * self.end_router_per_isp + 1,
(isp + 1) * self.end_router_per_isp):
val = coord_distance(ip_lat, ip_long, *self.router_coordinates[r])
if val < min_distance:
argmin_router = r
min_distance = val
return argmin_router
def get_coords():
lat = request.args.get('lat', None)
lon = request.args.get('lon', None)
if lat is None or lon is None:
return "Parameters not provided", 403
lat, lon = map(float, (lat, lon))
consider_accidents = sorted(data, key=_sort_accidents_dist(lat, lon))
result = []
for count, accident in enumerate(consider_accidents):
dist = coord_distance(lat, lon,
accident['location']['latitude'],
accident['location']['longitude'])
if dist > HEATMAP_RADIUS and count > HEATMAP_MIN_ACCIDENTS:
break
result.append({
'l': accident['location']['latitude'],
'L': accident['location']['longitude'],
'D': accident['damageRating']
})
result_actual = {'accidents': result}
print "sent ", str(len(result)), "accidents"
return json.dumps(result_actual)
def print_stats(self,ip1,ip2):
ip1_lat,ip1_long = self.get_ip_coordinate(ip1)
ip2_lat,ip2_long = self.get_ip_coordinate(ip2)
ip_distance = coord_distance(ip1_lat,ip1_long,ip2_lat,ip2_long)
print "ips %f,%f to %f,%f : %f m" % (ip1_lat,ip1_long,ip2_lat,ip2_long,ip_distance)
r1 = self.get_nearest_router(ip1)
r2 = self.get_nearest_router(ip2)
r1_lat,r1_long = self.router_coordinates[r1]
r2_lat,r2_long = self.router_coordinates[r2]
r_distance = coord_distance(r1_lat,r1_long,r2_lat,r2_long)
print "routers %f,%f to %f,%f : %f m" % (r1_lat,r1_long,r2_lat,r2_long,r_distance)
print "%f , %f , %f" % (self.get_ip_router_latency(ip1,r1),self.get_router_router_latency(r1,r2),self.get_ip_router_latency(ip2,r2))
def get_nearest_router(self,ip):
isp = self.get_isp(ip)
ip_lat,ip_long = self.get_ip_coordinate(ip)
argmin_router = isp * self.end_router_per_isp
min_distance = coord_distance(
ip_lat,ip_long,
*self.router_coordinates[argmin_router]
)
for r in xrange(isp * self.end_router_per_isp +1,(isp+1) * self.end_router_per_isp):
val = coord_distance(
ip_lat,ip_long,
*self.router_coordinates[r]
)
if val < min_distance:
argmin_router = r
min_distance = val
return argmin_router
def print_stats(self, ip1, ip2):
ip1_lat, ip1_long = self.get_ip_coordinate(ip1)
ip2_lat, ip2_long = self.get_ip_coordinate(ip2)
ip_distance = coord_distance(ip1_lat, ip1_long, ip2_lat, ip2_long)
print "ips %f,%f to %f,%f : %f m" % (ip1_lat, ip1_long, ip2_lat,
ip2_long, ip_distance)
r1 = self.get_nearest_router(ip1)
r2 = self.get_nearest_router(ip2)
r1_lat, r1_long = self.router_coordinates[r1]
r2_lat, r2_long = self.router_coordinates[r2]
r_distance = coord_distance(r1_lat, r1_long, r2_lat, r2_long)
print "routers %f,%f to %f,%f : %f m" % (r1_lat, r1_long, r2_lat,
r2_long, r_distance)
print "%f , %f , %f" % (self.get_ip_router_latency(
ip1, r1), self.get_router_router_latency(
r1, r2), self.get_ip_router_latency(ip2, r2))
def core_analyse():
lat = request.args.get('lat', None)
lon = request.args.get('lon', None)
if lat is None or lon is None:
return "Parameters not provided", 403
lat, lon = map(float, (lat, lon))
# get all near accidents within PRONE_AREA_DISTANCE_ACCIDENTS_CHECK distance
near_accidents = consider_accidents = sorted(data, key=_sort_accidents_dist(lat, lon))
score = 0.0
for count, accident in enumerate(near_accidents):
dist = coord_distance(lat, lon, **accident['location'])
if dist > PRONE_AREA_DISTANCE_ACCIDENTS_CHECK:
break
score += accident['damageRating']
print str(score) + " with %d accidents" % count
in_accident_prone_area = score > PRONE_AREA_THRESHOLD
return json.dumps({'in_accident_prone_area': in_accident_prone_area})
def nearest_accident():
lat = request.args.get('lat', None)
lon = request.args.get('lon', None)
if lat is None or lon is None:
return "Parameters not provided", 403
lat, lon = map(float, (lat, lon))
nearest_accident = None
nearest_distance = float("inf")
for accident in data:
dist = coord_distance(lat, lon, **accident['location'])
if dist < nearest_distance:
nearest_accident = accident
nearest_distance = dist
nearest_accident = dict(nearest_accident) # copy the accident
nearest_accident['latitude'] = nearest_accident['location']['latitude']
nearest_accident['longitude'] = nearest_accident['location']['longitude']
return json.dumps(nearest_accident)
def get_noisy_distance(self, ip1, ip2):
ip1_lat, ip1_long = self.get_noisy_coordinate(ip1)
ip2_lat, ip2_long = self.get_noisy_coordinate(ip2)
return coord_distance(ip1_lat, ip1_long, ip2_lat, ip2_long)
def get_ip_router_latency(self, ip, router):
l1, lg1 = self.get_ip_coordinate(ip)
l2, lg2 = self.router_coordinates[router]
return coord_distance(l1, lg1, l2, lg2) / self.peer_router_speed
def get_router_router_latency(self, r1, r2):
l1, lg1 = self.router_coordinates[r1]
l2, lg2 = self.router_coordinates[r2]
return coord_distance(l1, lg1, l2, lg2) / self.router_router_speed
def get_noisy_distance(self,ip1,ip2):
ip1_lat,ip1_long = self.get_noisy_coordinate(ip1)
ip2_lat,ip2_long = self.get_noisy_coordinate(ip2)
return coord_distance(ip1_lat,ip1_long,ip2_lat,ip2_long)
def get_ip_router_latency(self,ip,router):
l1,lg1 = self.get_ip_coordinate(ip)
l2,lg2 = self.router_coordinates[router]
return coord_distance(l1,lg1,l2,lg2)/self.peer_router_speed
def get_router_router_latency(self,r1,r2):
l1,lg1 = self.router_coordinates[r1]
l2,lg2 = self.router_coordinates[r2]
return coord_distance(l1,lg1,l2,lg2)/self.router_router_speed
