freifunk-franken
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monitoring
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add stable importer and crawler

This commit is contained in:
Dominik Heidler 2015-09-03 00:13:52 +02:00
parent 328b74a48d
commit 699c00d6a7
8 changed files with 1399 additions and 896 deletions
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1
.gitignore vendored Normal file
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__pycache__

124
db/crawl.py Executable file
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#!/usr/bin/python
import lxml.etree
import requests
import time
import subprocess
import gzip
from queue import Queue
from threading import Thread
from pymongo import MongoClient
client = MongoClient()
db = client.freifunk
CONFIG = {
"crawl_netif": "br-mesh",
"mac_netif": "br-mesh",
"vpn_netif": "fffVPN",
"crawl_outgoing_netif": "wlan0",
"num_crawler_threads": 10
}
crawl_hood = "nuernberg"
def crawl(router):
print("Crawling »%(hostname)s«" % router)
crawl_ip = next(netif["ipv6_fe80_addr"] for netif in router["netifs"] if netif["name"] == CONFIG["crawl_netif"])
try:
node_data = subprocess.check_output(["curl", "-s", "--max-time", "5", "http://[%s%%%s]/node.data" % (
crawl_ip,
CONFIG["crawl_outgoing_netif"]
)])
try:
node_data = gzip.decompress(node_data)
except:
pass
assert "<TITLE>404" not in str(node_data).upper()
tree = lxml.etree.fromstring(node_data)
print(" --> " + tree.xpath("/data/system_data/hostname/text()")[0])
router_update = {
"status": tree.xpath("/data/system_data/status/text()")[0],
"has_wan_uplink": len(tree.xpath("/data/interface_data/fffVPN")) > 0,
"hostname": tree.xpath("/data/system_data/hostname/text()")[0],
"neighbours": [], # list of mongoDB ids (or mac if no corresponding id found)
"netifs": [],
}
for netif in tree.xpath("/data/interface_data/*"):
interface = {
"name": netif.xpath("name/text()")[0],
"mtu": int(netif.xpath("mtu/text()")[0]),
"mac": netif.xpath("mac_addr/text()")[0].lower(),
}
if len(netif.xpath("ipv6_link_local_addr/text()")) > 0:
interface["ipv6_fe80_addr"] = netif.xpath("ipv6_link_local_addr/text()")[0].lower().split("/")[0]
if len(netif.xpath("ipv4_addr/text()")) > 0:
interface["ipv4_addr"] = netif.xpath("ipv4_addr/text()")[0]
router_update["netifs"].append(interface)
for originator in tree.xpath("/data/batman_adv_originators/*"):
o_mac = originator.xpath("originator/text()")[0]
o_nexthop = originator.xpath("nexthop/text()")[0]
# mac is the mac of the neighbour w2/5mesh if
# (which might also be called wlan0-1)
o_link_quality = originator.xpath("link_quality/text()")[0]
o_out_if = originator.xpath("outgoing_interface/text()")[0]
if o_mac.upper() == o_nexthop.upper():
# skip vpn server
if o_out_if == CONFIG["vpn_netif"]:
continue
neighbour = {
"mac": o_mac.lower(),
"quality": int(o_link_quality),
"net_if": o_out_if,
}
try:
neighbour_router = db.routers.find_one({"netifs.mac": neighbour["mac"]})
neighbour["_id"] = neighbour_router["_id"]
assert "coordinates" in neighbour_router["position"]
assert neighbour_router["position"]["coordinates"][0] != 0
assert neighbour_router["position"]["coordinates"][1] != 0
if "comment" in neighbour_router["position"]:
del neighbour_router["position"]["comment"]
neighbour["position"] = neighbour_router["position"]
except:
pass
router_update["neighbours"].append(neighbour)
db.routers.update_one({"_id": router["_id"]}, {"$set": router_update})
#from pprint import pprint
#pprint(router)
except subprocess.CalledProcessError:
db.routers.update_one({"_id": router["_id"]}, {"$set": {"status": "offline"}})
print(" --> OFFLINE")
except AssertionError:
db.routers.update_one({"_id": router["_id"]}, {"$set": {"status": "unknown"}})
print(" --> UNKNOWN")
q = Queue()
keep_working = True
def worker():
while keep_working:
router = q.get()
crawl(router)
q.task_done()
for i in range(CONFIG["num_crawler_threads"]):
t = Thread(target=worker)
t.daemon = True
t.start()
for router in db.routers.find({"netifs.name": CONFIG["crawl_netif"], "hood": crawl_hood}):
q.put(router)
# block until queue is empty
q.join()
# stop workers
keep_working = False

85
db/hoods.py Normal file
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#!/usr/bin/python
from math import sin, cos, sqrt, atan2, radians
from pymongo import MongoClient
client = MongoClient()
db = client.freifunk
CONFIG = {"default_hood_id": 1}
"""
db.hoods.insert_many([
{
"keyxchange_id": 1,
"name": "transition",
"net": "10.50.16.0/20"
},
{
"keyxchange_id": 2,
"name": "fuerth",
"net": "10.50.32.0/21",
"position": {"lat": 49.478330, "lng": 10.990270}
},
{
"keyxchange_id": 3,
"name": "nuernberg",
"net": "10.50.40.0/21",
"position": {"lat": 49.448856, "lng": 11.082108}
},
{
"keyxchange_id": 4,
"name": "ansbach",
"net": "10.50.48.0/21",
"position": {"lat": 49.300833, "lng": 10.571667}
},
{
"keyxchange_id": 5,
"name": "haßberge",
"net": "10.50.56.0/21",
"position": {"lat": 50.093555, "lng": 10.568013}
},
{
"keyxchange_id": 6,
"name": "erlangen",
"net": "10.50.64.0/21",
"position": {"lat": 49.600598, "lng": 11.001922}
},
{
"keyxchange_id": 6,
"name": "wuerzburg",
"net": "10.50.72.0/21",
"position": {"lat": 49.796880, "lng": 9.934890}
}])
"""
def km_distance(pos1, pos2):
lng1 = radians(pos1["lng"])
lat1 = radians(pos1["lat"])
lng2 = radians(pos2["coordinates"][0])
lat2 = radians(pos2["coordinates"][1])
dlng = lng2 - lng1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlng / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
# approximate radius of earth in km
R = 6373.0
distance = R * c
return distance
def hood_by_pos(pos):
current_hood_dist = 99999999
current_hood = db.hoods.find({"keyxchange_id": CONFIG["default_hood_id"]})
for hood in db.hoods.find({"position": {"$exists": True}}):
distance = km_distance(hood["position"], pos)
if distance <= current_hood_dist:
current_hood_dist = distance
current_hood = hood
return current_hood

82
db/import_from_netmon.py Executable file
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#!/usr/bin/python
import lxml.etree
import requests
import hoods
from pymongo import MongoClient
client = MongoClient()
db = client.freifunk
CONFIG = {
"crawl_netif": "br-mesh",
"mac_netif": "br-mesh",
"vpn_netif": "fffVPN"
}
# create db indexes
db.routers.create_index([("position", "2dsphere")])
tree = lxml.etree.fromstring(requests.get("https://netmon.freifunk-franken.de/api/rest/routerlist", params={"limit": 1000}).content)
for r in tree.xpath("/netmon_response/routerlist/router"):
user_netmon_id = int(r.xpath("user_id/text()")[0])
user = db.users.find_one({"netmon_id": user_netmon_id})
if user:
user_id = user["_id"]
else:
user_id = db.users.insert({
"netmon_id": user_netmon_id,
"nickname": r.xpath("user/nickname/text()")[0]
})
router = {
"netmon_id": int(r.xpath("router_id/text()")[0]),
"hostname": r.xpath("hostname/text()")[0],
"user": user_id
}
try:
lng = float(r.xpath("longitude/text()")[0])
lat = float(r.xpath("latitude/text()")[0])
assert lng != 0
assert lat != 0
#router["position"]["lng"] = lng
#router["position"]["lat"] = lat
#router["loc"] = { "type": "Point", "coordinates": [ -73.88, 40.78 ], "comment": "foobar" }
router["position"] = {
"type": "Point",
"coordinates": [lng, lat]
}
# define hood
router["hood"] = hoods.hood_by_pos(router["position"])["name"]
# try to get comment
router["position"]["comment"] = r.xpath("location/text()")[0]
except (IndexError, AssertionError):
pass
try:
router["description"] = r.xpath("description/text()")[0]
except IndexError:
pass
if db.routers.find_one({"netmon_id": router["netmon_id"]}):
print("Updating »%(hostname)s«" % router)
db.routers.update_one({"netmon_id": router["netmon_id"]}, {"$set": router})
else:
print("Importing »%(hostname)s«" % router)
# crawl HTML page for CONFIG["crawl_netif"] ip for 1st direct router crawl
page = requests.get("https://netmon.freifunk-franken.de/router.php", params={"router_id": router["netmon_id"]}).text
if CONFIG["crawl_netif"] in page:
netif_ip = "fe80%s" % page.split("<b>%s</b>" % CONFIG["crawl_netif"])[1].split("fe80")[1].split("/")[0]
router["netifs"] = [{
"name": CONFIG["crawl_netif"],
"ipv6_fe80_addr": netif_ip
}]
db.routers.insert_one(router)

326
map/csv/links.csv
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@ -1,86 +1,248 @@
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1628
map/csv/routers.csv
View File

File diff suppressed because it is too large Load Diff

30
map/mkcsv.py
View File

@ -8,34 +8,22 @@ routers = db.routers
with open("csv/routers.csv", "w") as csv:
csv.write("lng,lat,status\n")
for router in routers.find({
"position.lat": {"$exists": True},
"position.lng": {"$exists": True}}):
for router in routers.find({"position.coordinates": {"$exists": True}}):
csv.write("%f,%f,%s\n" % (
router["position"]["lng"],
router["position"]["lat"],
router["position"]["coordinates"][0],
router["position"]["coordinates"][1],
router.get("status", "unknown")
))
with open("csv/links.csv", "w") as csv:
csv.write("WKT,quality\n")
for router in routers.find({
"position.lat": {"$exists": True},
"position.lng": {"$exists": True},
"neighbours": {"$exists": True}}):
for router in routers.find({"position.coordinates": {"$exists": True}, "neighbours": {"$exists": True}}):
for neighbour in router["neighbours"]:
if not "_id" in neighbour:
continue
neighbour_router = routers.find_one({
"_id": neighbour["_id"],
"position.lat": {"$exists": True},
"position.lng": {"$exists": True}
})
if neighbour_router:
if "position" in neighbour:
csv.write("\"LINESTRING (%f %f,%f %f)\",%i\n" % (
router["position"]["lng"],
router["position"]["lat"],
neighbour_router["position"]["lng"],
neighbour_router["position"]["lat"],
router["position"]["coordinates"][0],
router["position"]["coordinates"][1],
neighbour["position"]["coordinates"][0],
neighbour["position"]["coordinates"][1],
neighbour["quality"]
))

19
map/static/map.html
View File

@ -14,4 +14,23 @@ var routers = new L.TileLayer('http://localhost:8001/{z}/{x}/{y}.png', {maxNativ
layersControl = new L.Control.Layers({}, {"links": links, "routers": routers});
map.addControl(layersControl);
//var marker = L.marker([49.47502, 10.99253]).addTo(map);
map.on('click', function(e) {
console.log(e.latlng);
console.log(map.getZoom());
// height = width of world in px
size_of_world_in_px = map.options.crs.scale(map.getZoom());
deg_lng_per_pix = 360 / size_of_world_in_px;
deg_lat_per_pix = 180 / size_of_world_in_px;
/*
db.routers.create_index([("location", "2dsphere")])
49,11
50,12
-> difference 1,1
-> in pix at zoom level 0 1.4,0.7
-> pythagoras -> distance in px
*/
});
</script>