Began rewrite with more modular design
Jan-Philipp Litza
parent
54402ce089
commit
f5e3705eec
37
alfred.py
37
alfred.py
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@ -1,37 +0,0 @@
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#!/usr/bin/env python3
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import subprocess
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import json
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class alfred:
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def __init__(self,request_data_type = 158):
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self.request_data_type = request_data_type
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def aliases(self):
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output = subprocess.check_output(["alfred-json","-r",str(self.request_data_type),"-f","json"])
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alfred_data = json.loads(output.decode("utf-8"))
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alias = {}
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for mac,node in alfred_data.items():
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node_alias = {}
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for key in node:
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node_alias[key] = node[key]
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try:
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node_alias['geo'] = [node['location']['latitude'], node['location']['longitude']]
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except (TypeError, KeyError):
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pass
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try:
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node_alias['id'] = node['network']['mac']
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except KeyError:
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pass
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if 'hostname' in node:
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node_alias['name'] = node['hostname']
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if len(node_alias):
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alias[mac] = node_alias
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return alias
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if __name__ == "__main__":
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ad = alfred()
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al = ad.aliases()
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print(al)
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86
batman.py
86
batman.py
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@ -1,86 +0,0 @@
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#!/usr/bin/env python3
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import subprocess
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import json
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import re
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class batman:
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""" Bindings for B.A.T.M.A.N. advanced batctl tool
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"""
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def __init__(self, mesh_interface = "bat0"):
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self.mesh_interface = mesh_interface
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def vis_data(self,batadv_vis=False):
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vds = self.vis_data_batctl_legacy()
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if batadv_vis:
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vds += self.vis_data_batadv_vis()
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return vds
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def vis_data_helper(self,lines):
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vd = []
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for line in lines:
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try:
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utf8_line = line.decode("utf-8")
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vd.append(json.loads(utf8_line))
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except e:
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pass
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return vd
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def vis_data_batctl_legacy(self):
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""" Parse "batctl -m <mesh_interface> vd json -n" into an array of dictionaries.
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"""
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output = subprocess.check_output(["batctl","-m",self.mesh_interface,"vd","json","-n"])
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lines = output.splitlines()
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vds = self.vis_data_helper(lines)
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for vd in vds:
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vd['legacy'] = True
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return vds
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def vis_data_batadv_vis(self):
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""" Parse "batadv-vis -i <mesh_interface> -f json" into an array of dictionaries.
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"""
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output = subprocess.check_output(["batadv-vis","-i",self.mesh_interface,"-f","json"])
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lines = output.splitlines()
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return self.vis_data_helper(lines)
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def gateway_list(self):
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""" Parse "batctl -m <mesh_interface> gwl -n" into an array of dictionaries.
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"""
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output = subprocess.check_output(["batctl","-m",self.mesh_interface,"gwl","-n"])
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output_utf8 = output.decode("utf-8")
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# TODO Parse information
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lines = output_utf8.splitlines()
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own_mac = re.match(r"^.*MainIF/MAC: [^/]+/([0-9a-f:]+).*$",lines[0]).group(1)
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# Remove header line
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del lines[0]
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# Fill gateway list
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gw = []
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gw_mode = self.gateway_mode()
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if gw_mode['mode'] == 'server':
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gw.append({'mac': own_mac, 'bandwidth': gw_mode['bandwidth']})
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for line in lines:
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gw_line = line.split()
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if (gw_line[0] == 'No'):
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continue
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# When in client gateway mode maybe gw_line[0] is not the right.
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gw.append({'mac':gw_line[0], 'bandwidth': gw_line[-1]})
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return gw
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def gateway_mode(self):
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""" Parse "batctl -m <mesh_interface> gw"
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"""
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output = subprocess.check_output(["batctl","-m",self.mesh_interface,"gw"])
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elements = output.decode("utf-8").split()
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mode = elements[0]
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if mode == "server":
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return {'mode': 'server', 'bandwidth': elements[3]}
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else:
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return {'mode': mode}
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if __name__ == "__main__":
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bc = batman()
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vd = bc.vis_data()
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gw = bc.gateway_list()
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for x in vd:
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print(x)
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print(gw)
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print(bc.gateway_mode())
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13
hostid.py
13
hostid.py
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@ -1,13 +0,0 @@
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import re
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from functools import reduce
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def mac_to_hostid(mac):
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int_mac = list(map(lambda x: int(x, 16), mac.split(":")))
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int_mac[0] ^= 2
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bytes = map(lambda x: "%02x" % x, int_mac[0:3] + [0xff, 0xfe] + int_mac[3:])
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return reduce(lambda a, i:
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[a[0] + ("" if i == 0 else ":") + a[1] + a[2]] + a[3:],
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range(0, 4),
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[""] + list(bytes)
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)
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@ -0,0 +1,18 @@
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import subprocess
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import json
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class Input:
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def __init__(self,request_data_type = 158):
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self.request_data_type = request_data_type
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def get_data(self, nodedb):
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"""Add data from alfred to the supplied nodedb"""
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output = subprocess.check_output([
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"alfred-json",
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"-r", str(self.request_data_type),
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"-f", "json",
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])
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alfred_data = json.loads(output.decode("utf-8"))
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for mac, node in alfred_data.items():
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nodedb.add_or_update([mac], node)
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@ -0,0 +1,100 @@
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import subprocess
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import json
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class Input:
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"""Fill the NodeDB with links from batadv-vis.
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The links are added as lists containing the neighboring nodes, not
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only their identifiers! Mind this when exporting the database, as
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it probably leads to recursion.
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"""
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def __init__(self, mesh_interface="bat0"):
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self.mesh_interface = mesh_interface
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@staticmethod
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def _is_similar_mac(a, b):
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"""Determine if two MAC addresses are similar."""
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if a == b:
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return True
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# Split the address into bytes
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try:
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mac_a = list(int(i, 16) for i in a.split(":"))
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mac_b = list(int(i, 16) for i in b.split(":"))
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except ValueError:
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return False
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# Second and third byte musn't differ
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if mac_a[1] != mac_b[1] or mac_a[2] != mac_b[2]:
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return False
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# First byte must only differ in bit 2
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if mac_a[0] | 2 != mac_b[0] | 2:
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return False
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# Count differing bytes after the third
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c = [x for x in zip(mac_a[3:], mac_b[3:]) if x[0] != x[1]]
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# No more than two additional bytes must differ
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if len(c) > 2:
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return False
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# If no more bytes differ, they are very similar
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if len(c) == 0:
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return True
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# If the sum of absolute differences isn't greater than 2, they
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# are pretty similar
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delta = sum(abs(i[0] - i[1]) for i in c)
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return delta < 2
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def get_data(self, nodedb):
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"""Add data from batadv-vis to the supplied nodedb"""
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output = subprocess.check_output([
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"batadv-vis",
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"-i", str(self.mesh_interface),
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"-f", "jsondoc",
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])
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data = json.loads(output.decode("utf-8"))
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# First pass
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for node in data["vis"]:
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# Determine possible other MAC addresses of this node by
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# comparing all its client's MAC addresses to its primary
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# MAC address. If they are similar, it probably is another
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# address of the node itself! If it isn't, it is a real
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# client.
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node['aliases'] = [node["primary"]]
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if 'secondary' in node:
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node['aliases'].extend(node['secondary'])
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real_clients = []
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for mac in node["clients"]:
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if self._is_similar_mac(mac, node["primary"]):
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node['aliases'].append(mac)
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else:
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real_clients.append(mac)
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node['clients'] = real_clients
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# Add nodes and aliases without any information at first.
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# This way, we can later link the objects themselves.
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nodedb.add_or_update(node['aliases'])
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# Second pass
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for node in data["vis"]:
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# We only need the primary address now, all aliases are
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# already present in the database. Furthermore, we can be
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# sure that all neighbors are in the database as well. If
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# a neighbor isn't added already, we simply ignore it.
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nodedb.add_or_update(
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[node["primary"]],
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{
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"clients": node["clients"],
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"neighbors": [
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{
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"metric": neighbor['metric'],
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"neighbor": nodedb[neighbor['neighbor']],
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} for neighbor in node["neighbors"]
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if neighbor['neighbor'] in nodedb
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]
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}
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)
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from json import JSONEncoder
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class CustomJSONEncoder(JSONEncoder):
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"""
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JSON encoder that uses an object's __json__() method to convert it to
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something JSON-compatible.
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"""
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def default(self, obj):
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try:
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return obj.__json__()
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except AttributeError:
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pass
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return super().default(obj)
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24
link.py
24
link.py
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@ -1,24 +0,0 @@
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class Link():
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def __init__(self):
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self.id = None
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self.source = LinkConnector()
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self.target = LinkConnector()
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self.quality = None
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self.type = None
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def export(self):
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return {
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'source': self.source.id,
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'target': self.target.id,
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'quality': self.quality,
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'type': self.type,
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'id': self.id
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}
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class LinkConnector():
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def __init__(self):
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self.id = None
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self.interface = None
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def __repr__(self):
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return "LinkConnector(%d, %s)" % (self.id, self.interface)
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102
node.py
102
node.py
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from collections import defaultdict
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class NoneDict:
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"""
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A NoneDict acts like None but returns a NoneDict for every item in it.
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"""Act like None but return a NoneDict for every item request.
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This is similar to the behaviour of collections.defaultdict in that even
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previously inexistent keys can be accessed, but there is nothing stored
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permanently.
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This is similar to the behaviour of collections.defaultdict in that
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even previously inexistent keys can be accessed, but nothing is
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stored permanently in this class.
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"""
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__repr__ = lambda self: 'NoneDict()'
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__bool__ = lambda self: False
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@ -16,55 +15,56 @@ class NoneDict:
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def __setitem__(self, key, value):
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raise RuntimeError("NoneDict is readonly")
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class casualdict(defaultdict):
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"""
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This special defaultdict returns a NoneDict for inexistent items. Also, its
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items can be accessed as attributed as well.
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"""
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def __init__(self):
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class Node(defaultdict):
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_id = None
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def __init__(self, id_=None):
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self._id = id_
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super().__init__(NoneDict)
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__getattr__ = defaultdict.__getitem__
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__setattr__ = defaultdict.__setitem__
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class Node(casualdict):
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def __init__(self):
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self.name = ""
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self.id = ""
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self.macs = set()
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self.interfaces = dict()
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self.flags = dict({
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"online": False,
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"gateway": False,
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"client": False
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})
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super().__init__()
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def add_mac(self, mac):
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mac = mac.lower()
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if len(self.macs) == 0:
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self.id = mac
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self.macs.add(mac)
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self.interfaces[mac] = Interface()
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def __repr__(self):
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return self.macs.__repr__()
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return "Node(%s)" % self.id
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@property
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def id(self):
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return self._id
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def __hash__(self):
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"""Generate hash from the node's id.
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WARNING: Obviously this hash doesn't cover all of the node's
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data, but we need nodes to be hashable in order to eliminate
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duplicates in the NodeDB.
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At least the id cannot change after initialization...
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"""
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return hash(self.id)
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@property
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def vpn_neighbors(self):
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try:
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vpn_neighbors = []
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for neighbor in self['neighbors']:
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if neighbor['neighbor']['vpn']:
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vpn_neighbors.append(neighbor)
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return vpn_neighbors
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except TypeError:
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return []
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def export(self):
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"""
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Return a dict that contains all attributes of the Node that are supposed to
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be exported to other applications.
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"""
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return {
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"name": self.name,
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"id": self.id,
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"macs": list(self.macs),
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"geo": self.geo,
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"firmware": self.software['firmware']['release'],
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"flags": self.flags
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}
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"""Generate a serializable dict of the node.
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class Interface():
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def __init__(self):
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self.vpn = False
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In particular, this replaces any references to other nodes by
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their id to prevent circular references.
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"""
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ret = dict(self)
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if "neighbors" in self:
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ret["neighbors"] = []
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for neighbor in self["neighbors"]:
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new_neighbor = {}
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for key, val in neighbor.items():
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if isinstance(val, Node):
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new_neighbor[key] = val.id
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else:
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new_neighbor[key] = val
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ret["neighbors"].append(new_neighbor)
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return ret
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413
nodedb.py
413
nodedb.py
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@ -1,381 +1,60 @@
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from functools import reduce
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from collections import defaultdict
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from node import Node, Interface
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from link import Link, LinkConnector
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from node import Node
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class NodeDB:
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def __init__(self):
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self._nodes = []
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self._links = []
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class AmbiguityException(Exception):
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"""Indicate the ambiguity of identifiers.
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# fetch list of links
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def get_links(self):
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self.update_vpn_links()
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return self.reduce_links()
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This exception is raised if there is more than one match for a set
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of identifiers.
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# fetch list of nodes
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def get_nodes(self):
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return self._nodes
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Attributes:
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identifiers -- set of ambiguous identifiers
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"""
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def export(self):
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return {
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'nodes': [node.export() for node in self.get_nodes()],
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'links': [link.export() for link in self.get_links()],
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}
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identifiers = []
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def maybe_node_by_fuzzy_mac(self, mac):
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mac_a = mac.lower()
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def __init__(self, identifiers):
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self.identifiers = identifiers
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for node in self._nodes:
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for mac_b in node.macs:
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if is_derived_mac(mac_a, mac_b):
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return node
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def __str__(self):
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return "Ambiguous identifiers: %s" % ", ".join(self.identifiers)
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raise KeyError
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class NodeDB(dict):
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def add_or_update(self, ids, other=None):
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"""Add or update a node in the database.
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def maybe_node_by_mac(self, macs):
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for node in self._nodes:
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for mac in macs:
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if mac.lower() in node.macs:
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return node
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Searches for an already existing node and updates it, or adds a new
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one if no existing one is found. Raises an AmbiguityException if
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more than one different nodes are found matching the criteria.
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raise KeyError
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Arguments:
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ids -- list of possible identifiers (probably MAC addresses) of the
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node
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other -- dict of values to update in an existing node or add to
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the new one. Defaults to None, in which case no values
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are added or updated, only the aliases of the
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(possibly freshly created) node are updated.
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"""
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def maybe_node_by_id(self, mac):
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for node in self._nodes:
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if mac.lower() == node.id:
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return node
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raise KeyError
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||||
|
||||
def parse_vis_data(self,vis_data):
|
||||
for x in vis_data:
|
||||
|
||||
if 'of' in x:
|
||||
try:
|
||||
node = self.maybe_node_by_mac((x['of'], x['secondary']))
|
||||
except:
|
||||
node = Node()
|
||||
node.flags['online'] = True
|
||||
if 'legacy' in x:
|
||||
node.flags['legacy'] = True
|
||||
self._nodes.append(node)
|
||||
|
||||
node.add_mac(x['of'])
|
||||
node.add_mac(x['secondary'])
|
||||
|
||||
for x in vis_data:
|
||||
|
||||
if 'router' in x:
|
||||
try:
|
||||
node = self.maybe_node_by_mac((x['router'], ))
|
||||
except:
|
||||
node = Node()
|
||||
node.flags['online'] = True
|
||||
if 'legacy' in x:
|
||||
node.flags['legacy'] = True
|
||||
node.add_mac(x['router'])
|
||||
self._nodes.append(node)
|
||||
|
||||
# If it's a TT link and the MAC is very similar
|
||||
# consider this MAC as one of the routers
|
||||
# MACs
|
||||
if 'gateway' in x and x['label'] == "TT":
|
||||
if is_similar(x['router'], x['gateway']):
|
||||
node.add_mac(x['gateway'])
|
||||
|
||||
# skip processing as regular link
|
||||
# Find existing node, if any
|
||||
node = None
|
||||
node_id = None
|
||||
for id_ in ids:
|
||||
if id_ == node_id:
|
||||
continue
|
||||
if id_ in self:
|
||||
if node is not None:
|
||||
raise AmbiguityException([node_id, id_])
|
||||
node = self[id_]
|
||||
node_id = id_
|
||||
|
||||
try:
|
||||
if 'neighbor' in x:
|
||||
try:
|
||||
node = self.maybe_node_by_mac((x['neighbor']))
|
||||
except:
|
||||
continue
|
||||
# If no node was found, create a new one
|
||||
if node is None:
|
||||
node = Node(ids[0])
|
||||
|
||||
if 'gateway' in x:
|
||||
x['neighbor'] = x['gateway']
|
||||
# Update the node with the given properties using its own update method.
|
||||
if other is not None:
|
||||
node.update(other)
|
||||
|
||||
node = self.maybe_node_by_mac((x['neighbor'], ))
|
||||
except:
|
||||
node = Node()
|
||||
node.flags['online'] = True
|
||||
if x['label'] == 'TT':
|
||||
node.flags['client'] = True
|
||||
|
||||
node.add_mac(x['neighbor'])
|
||||
self._nodes.append(node)
|
||||
|
||||
for x in vis_data:
|
||||
|
||||
if 'router' in x:
|
||||
try:
|
||||
if 'gateway' in x:
|
||||
x['neighbor'] = x['gateway']
|
||||
|
||||
router = self.maybe_node_by_mac((x['router'], ))
|
||||
neighbor = self.maybe_node_by_mac((x['neighbor'], ))
|
||||
except:
|
||||
continue
|
||||
|
||||
# filter TT links merged in previous step
|
||||
if router == neighbor:
|
||||
continue
|
||||
|
||||
link = Link()
|
||||
link.source = LinkConnector()
|
||||
link.source.interface = x['router']
|
||||
link.source.id = self._nodes.index(router)
|
||||
link.target = LinkConnector()
|
||||
link.target.interface = x['neighbor']
|
||||
link.target.id = self._nodes.index(neighbor)
|
||||
link.quality = x['label']
|
||||
link.id = "-".join(sorted((link.source.interface, link.target.interface)))
|
||||
|
||||
if x['label'] == "TT":
|
||||
link.type = "client"
|
||||
|
||||
self._links.append(link)
|
||||
|
||||
for x in vis_data:
|
||||
|
||||
if 'primary' in x:
|
||||
try:
|
||||
node = self.maybe_node_by_mac((x['primary'], ))
|
||||
except:
|
||||
continue
|
||||
|
||||
node.id = x['primary']
|
||||
|
||||
def reduce_links(self):
|
||||
tmp_links = defaultdict(list)
|
||||
|
||||
for link in self._links:
|
||||
tmp_links[link.id].append(link)
|
||||
|
||||
links = []
|
||||
|
||||
def reduce_link(a, b):
|
||||
a.id = b.id
|
||||
a.source = b.source
|
||||
a.target = b.target
|
||||
a.type = b.type
|
||||
a.quality = ", ".join([x for x in (a.quality, b.quality) if x])
|
||||
|
||||
return a
|
||||
|
||||
for k, v in tmp_links.items():
|
||||
new_link = reduce(reduce_link, v, Link())
|
||||
links.append(new_link)
|
||||
|
||||
return links
|
||||
|
||||
def import_aliases(self, aliases):
|
||||
for mac, alias in aliases.items():
|
||||
try:
|
||||
node = self.maybe_node_by_mac([mac])
|
||||
except:
|
||||
try:
|
||||
node = self.maybe_node_by_fuzzy_mac(mac)
|
||||
except:
|
||||
# create an offline node
|
||||
node = Node()
|
||||
node.add_mac(mac)
|
||||
self._nodes.append(node)
|
||||
|
||||
for key in alias:
|
||||
node[key] = alias[key]
|
||||
|
||||
if 'vpn' in alias and alias['vpn'] and mac and node.interfaces and mac in node.interfaces:
|
||||
node.interfaces[mac].vpn = True
|
||||
|
||||
# list of macs
|
||||
# if options['gateway']:
|
||||
# mark_gateways(options['gateway'])
|
||||
def mark_gateways(self, gateways):
|
||||
for gateway in gateways:
|
||||
try:
|
||||
node = self.maybe_node_by_mac((gateway, ))
|
||||
except:
|
||||
print("WARNING: did not find gateway '",gateway,"' in node list")
|
||||
continue
|
||||
|
||||
node.flags['gateway'] = True
|
||||
|
||||
def update_vpn_links(self):
|
||||
changes = 1
|
||||
while changes > 0:
|
||||
changes = 0
|
||||
for link in self._links:
|
||||
if link.type == "client":
|
||||
continue
|
||||
|
||||
source_interface = self._nodes[link.source.id].interfaces[link.source.interface]
|
||||
target_interface = self._nodes[link.target.id].interfaces[link.target.interface]
|
||||
if source_interface.vpn or target_interface.vpn:
|
||||
source_interface.vpn = True
|
||||
target_interface.vpn = True
|
||||
if link.type != "vpn":
|
||||
changes += 1
|
||||
|
||||
link.type = "vpn"
|
||||
|
||||
def count_clients(self):
|
||||
for link in self._links:
|
||||
try:
|
||||
a = self.maybe_node_by_id(link.source.interface)
|
||||
b = self.maybe_node_by_id(link.target.interface)
|
||||
|
||||
if a.flags['client']:
|
||||
client = a
|
||||
node = b
|
||||
elif b.flags['client']:
|
||||
client = b
|
||||
node = a
|
||||
else:
|
||||
continue
|
||||
|
||||
node.clientcount += 1
|
||||
except:
|
||||
pass
|
||||
|
||||
def obscure_clients(self):
|
||||
|
||||
globalIdCounter = 0
|
||||
nodeCounters = {}
|
||||
clientIds = {}
|
||||
|
||||
for node in self._nodes:
|
||||
if node.flags['client']:
|
||||
node.macs = set()
|
||||
clientIds[node.id] = None
|
||||
|
||||
for link in self._links:
|
||||
ids = link.source.interface
|
||||
idt = link.target.interface
|
||||
|
||||
try:
|
||||
node_source = self.maybe_node_by_fuzzy_mac(ids)
|
||||
node_target = self.maybe_node_by_id(idt)
|
||||
|
||||
if not node_source.flags['client'] and not node_target.flags['client']:
|
||||
# if none of the nodes associated with this link are clients,
|
||||
# we do not want to obscure
|
||||
continue
|
||||
|
||||
if ids in clientIds and idt in clientIds:
|
||||
# This is for corner cases, when a client
|
||||
# is linked to another client.
|
||||
clientIds[ids] = str(globalIdCounter)
|
||||
ids = str(globalIdCounter)
|
||||
globalIdCounter += 1
|
||||
|
||||
clientIds[idt] = str(globalIdCounter)
|
||||
idt = str(globalIdCounter)
|
||||
globalIdCounter += 1
|
||||
|
||||
elif ids in clientIds:
|
||||
newId = generateId(idt)
|
||||
clientIds[ids] = newId
|
||||
ids = newId
|
||||
|
||||
link.source.interface = ids;
|
||||
node_source.id = ids;
|
||||
|
||||
elif idt in clientIds:
|
||||
newId = generateId(ids,nodeCounters)
|
||||
clientIds[idt] = newId
|
||||
idt = newId
|
||||
|
||||
link.target.interface = idt;
|
||||
node_target.id = idt;
|
||||
|
||||
link.id = ids + "-" + idt
|
||||
|
||||
except KeyError:
|
||||
pass
|
||||
|
||||
# extends node id by incremented node counter
|
||||
def generateId(nodeId,nodeCounters):
|
||||
if nodeId in nodeCounters:
|
||||
n = nodeCounters[nodeId]
|
||||
nodeCounters[nodeId] = n + 1
|
||||
else:
|
||||
nodeCounters[nodeId] = 1
|
||||
n = 0
|
||||
|
||||
return nodeId + "_" + str(n)
|
||||
|
||||
# compares two MACs and decides whether they are
|
||||
# similar and could be from the same node
|
||||
def is_similar(a, b):
|
||||
if a == b:
|
||||
return True
|
||||
|
||||
try:
|
||||
mac_a = list(int(i, 16) for i in a.split(":"))
|
||||
mac_b = list(int(i, 16) for i in b.split(":"))
|
||||
except ValueError:
|
||||
return False
|
||||
|
||||
# first byte must only differ in bit 2
|
||||
if mac_a[0] | 2 == mac_b[0] | 2:
|
||||
# count different bytes
|
||||
c = [x for x in zip(mac_a[1:], mac_b[1:]) if x[0] != x[1]]
|
||||
else:
|
||||
return False
|
||||
|
||||
# no more than two additional bytes must differ
|
||||
if len(c) <= 2:
|
||||
delta = 0
|
||||
|
||||
if len(c) > 0:
|
||||
delta = sum(abs(i[0] -i[1]) for i in c)
|
||||
|
||||
# These addresses look pretty similar!
|
||||
return delta < 8
|
||||
|
||||
def is_derived_mac(a, b):
|
||||
if a == b:
|
||||
return True
|
||||
|
||||
try:
|
||||
mac_a = list(int(i, 16) for i in a.split(":"))
|
||||
mac_b = list(int(i, 16) for i in b.split(":"))
|
||||
except ValueError:
|
||||
return False
|
||||
|
||||
if mac_a[4] != mac_b[4] or mac_a[2] != mac_b[2] or mac_a[1] != mac_b[1]:
|
||||
return False
|
||||
|
||||
x = list(mac_a)
|
||||
x[5] += 1
|
||||
x[5] %= 255
|
||||
if mac_b == x:
|
||||
return True
|
||||
|
||||
x[0] |= 2
|
||||
if mac_b == x:
|
||||
return True
|
||||
|
||||
x[3] += 1
|
||||
x[3] %= 255
|
||||
if mac_b == x:
|
||||
return True
|
||||
|
||||
x = list(mac_a)
|
||||
x[0] |= 2
|
||||
x[5] += 2
|
||||
x[5] %= 255
|
||||
if mac_b == x:
|
||||
return True
|
||||
|
||||
x = list(mac_a)
|
||||
x[0] |= 2
|
||||
x[3] += 1
|
||||
x[3] %= 255
|
||||
if mac_b == x:
|
||||
return True
|
||||
|
||||
return False
|
||||
# Add new aliases if any
|
||||
for id_ in ids:
|
||||
self[id_] = node
|
||||
|
|
|
|||
|
|
@ -0,0 +1,71 @@
|
|||
import json
|
||||
|
||||
__all__ = ["Exporter"]
|
||||
|
||||
class CustomJSONEncoder(json.JSONEncoder):
|
||||
"""
|
||||
JSON encoder that uses an object's __json__() method to convert it to
|
||||
something JSON-compatible.
|
||||
"""
|
||||
def default(self, obj):
|
||||
try:
|
||||
return obj.__json__()
|
||||
except AttributeError:
|
||||
pass
|
||||
return super().default(obj)
|
||||
|
||||
class Exporter:
|
||||
def __init__(self, filepath="nodes.json"):
|
||||
self.filepath = filepath
|
||||
|
||||
@staticmethod
|
||||
def generate(nodedb):
|
||||
indexes = {}
|
||||
nodes = []
|
||||
count = 0
|
||||
for node in set(nodedb.values()):
|
||||
nodes.append(node.export())
|
||||
indexes[node.id] = count
|
||||
count += 1
|
||||
|
||||
links = []
|
||||
for node in set(nodedb.values()):
|
||||
if "neighbors" in node:
|
||||
links.extend(
|
||||
{
|
||||
"source": indexes[node.id],
|
||||
"target": indexes[neighbor["neighbor"].id],
|
||||
"quality": neighbor["metric"],
|
||||
"type": "vpn" if neighbor["neighbor"]["vpn"] else None,
|
||||
"id": "-".join((node.id, neighbor["neighbor"].id)),
|
||||
} for neighbor in node["neighbors"]
|
||||
)
|
||||
if "clients" in node:
|
||||
for client in node["clients"]:
|
||||
if not client in indexes:
|
||||
nodes.append({
|
||||
"id": client,
|
||||
})
|
||||
indexes[client] = count
|
||||
count += 1
|
||||
|
||||
links.append({
|
||||
"source": indexes[node.id],
|
||||
"target": indexes[client],
|
||||
"quality": "TT",
|
||||
"type": "client",
|
||||
"id": "-".join((node.id, client)),
|
||||
})
|
||||
|
||||
return {
|
||||
"nodes": nodes,
|
||||
"links": links,
|
||||
}
|
||||
|
||||
def export(self, nodedb):
|
||||
with open(self.filepath, "w") as nodes_json:
|
||||
json.dump(
|
||||
self.generate(nodedb),
|
||||
nodes_json,
|
||||
cls=CustomJSONEncoder
|
||||
)
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
import os
|
||||
import subprocess
|
||||
from RRD import RRD, DS, RRA
|
||||
from .RRD import RRD, DS, RRA
|
||||
|
||||
class GlobalRRD(RRD):
|
||||
ds_list = [
|
||||
|
|
@ -15,8 +15,8 @@ class GlobalRRD(RRD):
|
|||
RRA('AVERAGE', 0.5, 1440, 1780),# ~5 years of 1 day samples
|
||||
]
|
||||
|
||||
def __init__(self, directory):
|
||||
super().__init__(os.path.join(directory, "nodes.rrd"))
|
||||
def __init__(self, filepath):
|
||||
super().__init__(filepath)
|
||||
self.ensureSanity(self.ds_list, self.rra_list, step=60)
|
||||
|
||||
def update(self, nodeCount, clientCount):
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
import os
|
||||
import subprocess
|
||||
from node import Node
|
||||
from RRD import RRD, DS, RRA
|
||||
from .RRD import RRD, DS, RRA
|
||||
|
||||
class NodeRRD(RRD):
|
||||
ds_list = [
|
||||
|
|
@ -45,18 +45,18 @@ class NodeRRD(RRD):
|
|||
def update(self):
|
||||
values = {
|
||||
'upstate': 1,
|
||||
'clients': float(self.node.clients),
|
||||
'neighbors': float(self.node.neighbors),
|
||||
'vpn_neighbors': float(self.node.vpn_neighbors),
|
||||
'loadavg': float(self.node.statistics['loadavg']),
|
||||
'clients': float(len(self.node.get('clients', []))),
|
||||
'neighbors': float(len(self.node.get('neighbors', []))),
|
||||
'vpn_neighbors': float(len(self.node.vpn_neighbors)),
|
||||
'loadavg': float(self.node['statistics']['loadavg']),
|
||||
}
|
||||
for item in ('rx', 'tx', 'mgmt_rx', 'mgmt_tx', 'forward'):
|
||||
try:
|
||||
values['%s_bytes' % item] = int(self.node.statistics['traffic'][item]['bytes'])
|
||||
values[item + '_bytes'] = int(self.node['statistics']['traffic'][item]['bytes'])
|
||||
except TypeError:
|
||||
pass
|
||||
try:
|
||||
values['%s_packets' % item] = int(self.node.statistics['traffic'][item]['packets'])
|
||||
values[item + '_packets'] = int(self.node['statistics']['traffic'][item]['packets'])
|
||||
except TypeError:
|
||||
pass
|
||||
super().update(values)
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
import os
|
||||
from .NodeRRD import NodeRRD
|
||||
from .GlobalRRD import GlobalRRD
|
||||
|
||||
class Exporter:
|
||||
def __init__(self, directory="nodedb"):
|
||||
self.directory = directory
|
||||
try:
|
||||
os.mkdir(self.directory)
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
def export(self, nodedb):
|
||||
nodes = set(nodedb.values())
|
||||
clients = 0
|
||||
nodecount = 0
|
||||
for node in nodes:
|
||||
clients += len(node.get("clients", []))
|
||||
nodecount += 1
|
||||
NodeRRD(
|
||||
os.path.join(
|
||||
self.directory,
|
||||
str(node.id).replace(':', '') + '.rrd'
|
||||
),
|
||||
node
|
||||
).update()
|
||||
|
||||
GlobalRRD(os.path.join(self.directory, "nodes.rrd")).update(
|
||||
nodecount,
|
||||
clients
|
||||
)
|
||||
80
rrd.py
80
rrd.py
|
|
@ -1,80 +0,0 @@
|
|||
#!/usr/bin/env python3
|
||||
import subprocess
|
||||
import time
|
||||
import os
|
||||
from GlobalRRD import GlobalRRD
|
||||
from NodeRRD import NodeRRD
|
||||
|
||||
class rrd:
|
||||
def __init__( self
|
||||
, databaseDirectory
|
||||
, imagePath
|
||||
, displayTimeGlobal = "7d"
|
||||
, displayTimeNode = "1d"
|
||||
):
|
||||
self.dbPath = databaseDirectory
|
||||
self.globalDb = GlobalRRD(self.dbPath)
|
||||
self.imagePath = imagePath
|
||||
self.displayTimeGlobal = displayTimeGlobal
|
||||
self.displayTimeNode = displayTimeNode
|
||||
|
||||
self.currentTimeInt = (int(time.time())/60)*60
|
||||
self.currentTime = str(self.currentTimeInt)
|
||||
|
||||
try:
|
||||
os.stat(self.imagePath)
|
||||
except:
|
||||
os.mkdir(self.imagePath)
|
||||
|
||||
def update_database(self,db):
|
||||
nodes = {}
|
||||
clientCount = 0
|
||||
for node in db.get_nodes():
|
||||
if node.flags['online']:
|
||||
if not node.flags['client']:
|
||||
nodes[node.id] = node
|
||||
node.clients = 0
|
||||
node.neighbors = 0
|
||||
node.vpn_neighbors = 0
|
||||
if 'legacy' in node.flags and node.flags['legacy']:
|
||||
clientCount -= 1
|
||||
else:
|
||||
clientCount += 1
|
||||
for link in db.get_links():
|
||||
source = link.source.interface
|
||||
target = link.target.interface
|
||||
if source in nodes and not target in nodes:
|
||||
nodes[source].clients += 1
|
||||
elif target in nodes and not source in nodes:
|
||||
nodes[target].clients += 1
|
||||
elif source in nodes and target in nodes:
|
||||
nodes[source].neighbors += 1
|
||||
nodes[target].neighbors += 1
|
||||
if link.type == 'vpn':
|
||||
nodes[target].vpn_neighbors += 1
|
||||
nodes[source].vpn_neighbors += 1
|
||||
|
||||
self.globalDb.update(len(nodes), clientCount)
|
||||
for node in nodes.values():
|
||||
rrd = NodeRRD(
|
||||
os.path.join(self.dbPath, str(node.id).replace(':', '') + '.rrd'),
|
||||
node
|
||||
)
|
||||
rrd.update()
|
||||
|
||||
def update_images(self):
|
||||
""" Creates an image for every rrd file in the database directory.
|
||||
"""
|
||||
|
||||
self.globalDb.graph(os.path.join(self.imagePath, "globalGraph.png"), self.displayTimeGlobal)
|
||||
|
||||
nodeDbFiles = os.listdir(self.dbPath)
|
||||
|
||||
for fileName in nodeDbFiles:
|
||||
if not os.path.isfile(os.path.join(self.dbPath, fileName)):
|
||||
continue
|
||||
|
||||
nodeName = os.path.basename(fileName).split('.')
|
||||
if nodeName[1] == 'rrd' and not nodeName[0] == "nodes":
|
||||
rrd = NodeRRD(os.path.join(self.dbPath, fileName))
|
||||
rrd.graph(self.imagePath, self.displayTimeNode)
|
||||
Loading…
Reference in New Issue