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graph_data.py
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graph_data.py
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import numpy as np
import graph_tool.all as gt
import json
import pycountry_convert as country
import matplotlib.pyplot as plt
import pprint
import copy
#global variables
graph_path = "AS_graph.gt"
countries = set()
continents = set()
business = set()
relationships = set()
rirs = set()
not_int_props = {'node', 'link', 'link_nodes', 'node_ASN', 'node_org_name', 'node_rir', 'node_hq_country', 'node_hq_continent', 'node_business_type', 'node_is_VP', 'link_relationship', 'link_seeing_RCs'}
roles = ['NA', 'provider', 'customer', 'sibling', 'peer']
mode = 'default'
def init_global():
global countries
global continents
global business
global relationships
global rirs
countries = set()
continents = set()
business = set()
relationships = set()
rirs = set()
def load_graph():
g = gt.load_graph(graph_path)
node_properties = g.vertex_properties
link_properties = g.edge_properties
nodes = g.vertices()
links = g.edges()
return nodes, links, node_properties, link_properties
def initialize_lists(nodes, node_properties, links, link_properties):
global countries
global continents
global business
global relationships
global rirs
for node in nodes:
countries.add(node_properties['hq_country'][node])
continents.add(node_properties['hq_continent'][node])
business.add(node_properties['business_type'][node])
rirs.add(node_properties['rir'][node])
for link in links:
relationships.add(link_properties['relationship'][link])
countries = list(countries)
continents = list(continents)
business = list(business)
relationships = list(relationships)
rirs = list(rirs)
def build_dict(nodes, links, node_properties, link_properties):
output_dict = {"node" : [], "link": [], "role" : []}
count = 0
for node in nodes:
node_entry = {
"node" : int(count)
}
for prop in node_properties:
property_name = 'node_'+ str(prop)
#Changing string properties to number
if prop == 'business_type':
node_entry.update({property_name : business.index(str(node_properties[prop][node]))})
elif prop == 'hq_country':
node_entry.update({property_name : countries.index(str(node_properties[prop][node]))})
elif prop == 'hq_continent':
node_entry.update({property_name : continents.index(str(node_properties[prop][node]))})
elif prop == 'rir':
node_entry.update({property_name : rirs.index(str(node_properties[prop][node]))})
#closeness_d skipped when not a number
elif prop == 'closeness_d' and str(node_properties[prop][node]) == 'nan' :
node_entry.update({property_name : 0})
else:
node_entry.update({property_name : node_properties[prop][node]})
output_dict["node"].append(node_entry)
count += 1
if mode == 'test':
if count > 1:
break
for link in links:
link_nodes = tuple(link)
link_nodes = [int(link_nodes[0]), int(link_nodes[1])]
link_entry = {
"link" : count,
"link_nodes" : link_nodes
}
for prop in link_properties:
property_name = 'link_'+ str(prop)
if prop == 'seeing_RCs':
continue
#Changing string properties to number
elif prop == 'relationship':
link_entry.update({property_name : relationships.index(str(link_properties[prop][link]))})
else:
link_entry.update({property_name : link_properties[prop][link]})
output_dict["link"].append(link_entry)
count+=1
if mode == 'test':
if count > 2:
break
if mode != 'test':
for elem in output_dict['link']:
role1 = {
"role_number" : count,
"role_node" : elem['link_nodes'][0],
"role_link": elem['link'],
"role_role" : 'NA'
}
count += 1
role2 = {
"role_number" : count,
"role_node" : elem['link_nodes'][1],
"role_link": elem['link'],
"role_role" : 'NA'
}
count += 1
try:
if elem['link_relationship'] == relationships.index('NA'):
role1['role_role'] = 'NA'
role2['role_role'] = 'NA'
elif elem['link_relationship'] == relationships.index('s2s'):
role1['role_role'] = 'sibling'
role2['role_role'] = 'sibling'
elif elem['link_relationship'] == relationships.index('p2c'):
role1['role_role'] = 'provider'
role2['role_role'] = 'customer'
elif elem['link_relationship'] == relationships.index('c2p'):
role1['role_role'] = 'customer'
role2['role_role'] = 'provider'
elif elem['link_relationship'] == relationships.index('p2p'):
role1['role_role'] = 'peer'
role2['role_role'] = 'peer'
except ValueError:
pass
role1['role_role'] = roles.index(role1['role_role'])
role2['role_role'] = roles.index(role2['role_role'])
output_dict['role'].append(role1)
output_dict['role'].append(role2)
return output_dict
# Normalizes the data in the output dictionary to be 0 to 1 using max_min normalization
def max_min_normalization(output_dict):
max_property = {}
min_property = {}
for node in output_dict['node']:
for prop in node.keys():
if prop not in not_int_props:
if prop in max_property.keys():
if node[prop] > max_property[prop]:
max_property[prop] = node[prop]
else :
new_entry = {prop : node[prop]}
max_property.update(new_entry)
if prop in min_property.keys():
if node[prop] < min_property[prop]:
min_property[prop] = node[prop]
else :
new_entry = {prop : node[prop]}
min_property.update(new_entry)
for node in output_dict['node']:
for prop in node.keys():
if prop not in not_int_props:
value = node[prop]
node[prop] = (value - min_property[prop])/(max_property[prop]-min_property[prop])
for link in output_dict['link']:
for prop in link.keys():
if prop not in not_int_props:
if prop in max_property.keys():
if link[prop] > max_property[prop]:
max_property[prop] = link[prop]
else :
new_entry = {prop : link[prop]}
max_property.update(new_entry)
if prop in min_property.keys():
if link[prop] < min_property[prop]:
min_property[prop] = link[prop]
else :
new_entry = {prop : link[prop]}
min_property.update(new_entry)
for link in output_dict['link']:
for prop in link.keys():
if prop not in not_int_props:
value = link[prop]
link[prop] = (value-min_property[prop])/(max_property[prop]-min_property[prop])
return output_dict
#normalizes the data in the output dictionary by using the mean and std of the distribution of each property
#more robust against outliers
def z_normalization(output_dict):
mean = {}
std = {}
node0 = output_dict['node'][0]
link0 = output_dict['link'][0]
for prop in node0.keys():
if prop not in not_int_props:
new_entry = {prop : 0}
mean.update(new_entry)
std.update(new_entry)
mean[prop] = np.mean([c[prop] for c in output_dict['node']])
std[prop] = np.std([c[prop] for c in output_dict['node']])
for prop in link0.keys():
if prop not in not_int_props:
new_entry = {prop : 0}
mean.update(new_entry)
std.update(new_entry)
mean[prop] = np.mean([c[prop] for c in output_dict['link']])
std[prop] = np.std([c[prop] for c in output_dict['link']])
for node in output_dict['node']:
for prop in node.keys():
if prop not in not_int_props:
value = node[prop]
node[prop] = (value - mean[prop])/std[prop]
for link in output_dict['link']:
for prop in link.keys():
if prop not in not_int_props:
value = link[prop]
link[prop] = (value - mean[prop])/std[prop]
return output_dict
def visualize_properties(output_dict):
plt.rcParams["figure.figsize"] = [25, 25]
node0 = output_dict['node'][0]
link0 = output_dict['link'][0]
fig, axs = plt.subplots(5, 5)
count1=0
count2=0
for prop in node0.keys():
if prop not in not_int_props:
counts, bins = np.histogram(([c[prop] for c in output_dict['node']]), bins='auto', density=True)
axs[count1, count2].hist(counts, bins)
axs[count1, count2].set_title(prop)
count2 +=1
if count2>4:
count1 +=1
count2 = 0
for prop in link0.keys():
if prop not in not_int_props:
counts, bins = np.histogram(([c[prop] for c in output_dict['link']]), bins='auto', density=True)
axs[count1, count2].hist(counts, bins)
axs[count1, count2].set_title(prop)
count2 +=1
if count2 >4:
count1 +=1
count2 = 0
def modify_countries(output_dict):
global countries
countries_count = {}
threshold = 250
for node in output_dict['node']:
country_number = node['node_hq_country']
country_name = countries[country_number]
if country_name in countries_count.keys():
countries_count[country_name] += 1
else:
countries_count[country_name] = 1
#sort the dictionary by value
countries_count = sorted(countries_count.items(), key=lambda x:x[1])
#print number of tuples in the dictionary that are lower than 100
excluded_countries = dict([x for x in countries_count if x[1] < threshold])
excluded_continent = {}
for entry in excluded_countries:
country_alpha2 = entry
continent = country.country_alpha2_to_continent_code(country_alpha2)
if 'rest_of_' + continent in excluded_continent.keys():
excluded_continent['rest_of_'+continent] += excluded_countries[country_alpha2]
else:
excluded_continent['rest_of_'+continent] = excluded_countries[country_alpha2]
included_countries = dict([x for x in countries_count if x[1] >= threshold])
if 'NOT_AVAILABLE' in included_countries.keys():
included_countries.pop('NOT_AVAILABLE')
included_countries.update(excluded_continent)
excluded_nodes = sum([x for x in excluded_countries.values()])
excluded_cont_count = sum([x for x in excluded_continent.values()])
text_file = open('country_distribution.json', 'w')
n = text_file.write(json.dumps(included_countries))
text_file.close()
included_countries = included_countries.keys()
for node in output_dict['node']:
country_number = node['node_hq_country']
country_alpha2 = countries[country_number]
if country_alpha2 == 'NOT_AVAILABLE':
node['node_hq_country'] = -1
elif country_alpha2 in included_countries:
node['node_hq_country'] = list(included_countries).index(country_alpha2)
else:
continent = country.country_alpha2_to_continent_code(country_alpha2)
node['node_hq_country'] = list(included_countries).index('rest_of_'+continent)
# for i in range(included_countries):
# if not included_countries[i].startswith('rest_of_'):
# elem = country.country_alpha2_to_country_name(elem)
countries = list(included_countries)
return output_dict
def modify_business(output_dict):
global business
ndiscl_index = business.index('Not Disclosed')
new_business = ['Transit Access', 'Enterprise', 'Content']
mapping = {"Network Services" : "Transit Access",
"Non-Profit": "Enterprise",
"Content": "Content",
"NSP": "Transit Access",
"Government" : "Enterprise",
"Enterprise" : "Enterprise",
"Route Collector" : "Transit Access",
"Educational/Research" : "Enterprise",
"Cable/DSL/ISP": "Transit Access"}
for node in output_dict['node']:
business_number = node['node_business_type']
if business_number == ndiscl_index:
node['node_business_type'] = -1
else:
old_label = business[business_number]
new_label = mapping.get(old_label)
new_index = new_business.index(new_label)
node['node_business_type'] = new_index
business = new_business
return output_dict
def modify_rir(output_dict):
global rirs
ndiscl_index = rirs.index('NOT_AVAILABLE')
new_rir = copy.copy(rirs)
new_rir.remove('NOT_AVAILABLE')
for node in output_dict['node']:
rir_number = node['node_rir']
if rir_number == ndiscl_index:
node['node_rir'] = -1
else:
new_index = new_rir.index(rirs[rir_number])
node['node_rir'] = new_index
rirs = new_rir
return output_dict
def modify_continent(output_dict):
global continents
ndiscl_index = continents.index('')
new_continents = copy.copy(continents)
new_continents.remove('')
for node in output_dict['node']:
continent_number = node['node_hq_continent']
if continent_number == ndiscl_index:
node['node_hq_continent'] = -1
else:
new_index = new_continents.index(continents[continent_number])
node['node_hq_continent'] = new_index
continents = new_continents
return output_dict
def modify_relationship(output_dict):
global relationships
ndiscl_index = relationships.index('NA')
new_relationship = copy.copy(relationships)
new_relationship.remove('NA')
for link in output_dict['link']:
relationship_number = link['link_relationship']
if relationship_number == ndiscl_index:
link['link_relationship'] = -1
else:
new_index = new_relationship.index(relationships[relationship_number])
link['link_relationship'] = new_index
relationships = new_relationship
return output_dict
def write_files(output_dict):
output_nodes = {"node" : output_dict['node']}
output_links = {"link" : output_dict['link']}
output_roles = {"role" : output_dict['role']}
text_file = open('graph_nodes.json', 'w')
n = text_file.write(json.dumps(output_nodes))
text_file.close()
text_file = open('graph_links.json', 'w')
n = text_file.write(json.dumps(output_links))
text_file.close()
text_file = open('graph_roles.json', 'w')
n = text_file.write(json.dumps(output_roles))
text_file.close()
def write_properties():
properties_dict = {
"countries_len" : len(countries),
"continents_len" : len(continents),
"business_len" : len(business),
"rirs_len" : len(rirs),
"relationships_len" : len(relationships),
"roles_len" : len(roles),
"business_classification" : business,
"continent_classification" : continents,
"country_classification" : countries,
"rir_classification" : rirs,
"link_classification" : relationships
}
text_file = open('properties.json', 'w')
n = text_file.write(json.dumps(properties_dict))
text_file.close()
def create_jsons(normalization='minmax', running_mode='default'):
global mode
global graph_path
mode = running_mode
if mode == 'test':
graph_path = 'AS_graph_test.gt'
else:
graph_path = 'AS_graph.gt'
normalization_options = ['none', 'minmax', 'z']
if normalization not in normalization_options:
print("Invalid option. Please choose between 'none', 'minmax' and 'z'")
return
init_global()
nodes, links, node_properties, link_properties = load_graph()
initialize_lists(nodes, node_properties, links, link_properties)
nodes, links, node_properties, link_properties = load_graph()
output_dict = build_dict(nodes, links, node_properties, link_properties)
if mode != 'test':
if normalization == 'none':
print("No normalization selected")
if normalization == 'z':
print("Z normalization selected")
output_dict = z_normalization(output_dict)
if normalization == 'minmax':
print("Minmax normalization selected")
output_dict = max_min_normalization(output_dict)
output_dict = modify_countries(output_dict)
output_dict = modify_business(output_dict)
output_dict = modify_rir(output_dict)
output_dict = modify_continent(output_dict)
output_dict = modify_relationship(output_dict)
write_files(output_dict)
write_properties()
return 1
# Execute program if not imported
if __name__ == "__main__":
create_jsons(normalization='minmax', running_mode='test')