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Author SHA1 Message Date
kalzu rekku
6e9d11dcde Actually working traceroute parser. Todo: import data to the new database schema. 2024-05-27 19:49:37 +03:00
kalzu rekku
0e0cba8426 New parser and storage functions to support the new database schema. 2024-05-26 19:10:16 +03:00
kalzu rekku
4ffd7052a5 New database schema. 2024-05-26 18:57:01 +03:00
2 changed files with 264 additions and 82 deletions

96
test.py Normal file
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@ -0,0 +1,96 @@
import subprocess
import re
import json
import ipaddress
from datetime import datetime
from sys import hash_info
import pprint
def run_traceroute(host):
result = subprocess.run(['traceroute', host], stdout=subprocess.PIPE)
return result.stdout.decode()
def parse_traceroute_output(output):
lines = output.strip().split('\n')
hops = []
ip_regex = r"\((.*?)\)" # ipaddress are in ()
target = output.strip().split('\n')[0].split()[2]
for line in lines[1:]:
hop = []
hop_info = line.split()
hop_number = int(hop_info[0])
hop_name = None
hop_ip = None
hop_latency = None
latencies = []
#print("##### "+str(hop_info))
count = 0
for part in hop_info[1:]:
count += 1
# source node drops or blocks icmp packages
# We will give funny to name to hop for not answering and move on.
if part == '*':
hop_name = 'hop.'+str(count)+'.'+str(target)
break
# If first colum is either name or ip-address
if count == 1:
print(part)
match = re.search(ip_regex, part)
if match:
hop_ip = part.strip('()')
else:
print('do ever here?')
hop_name = part
# Second colum is ip-address first latency reading
if count == 2:
print(part)
if re.search(ip_regex, part):
try:
_ip = ipaddress.ip_address(part.strip('()'))
hop_ip = part.strip('()')
except ValueError:
pass # Ignore if it's not a valid IP address
# Rest of the input colums are either latency floats, 'ms' or
# reruns of the hop_name and hop_ip...
# We only need the latency floats anymore.
else:
print(part)
try:
latency = float(part)
latencies.append(latency)
except ValueError:
pass
hop_latency = sum(latencies) / len(latencies) if latencies else None
hop.append(hop_number)
if not hop_name == None:
hop.append(hop_name)
hop.append(hop_ip)
hop.append(hop_latency)
hops.append(hop)
return target, hops
if __name__ == '__main__':
target='8.8.8.8'
traceroute_output = run_traceroute(target)
target, hops = parse_traceroute_output(traceroute_output)
print('>> '+target)
pprint.pprint(hops)

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@ -4,99 +4,184 @@
import subprocess import subprocess
import sqlite3 import sqlite3
import re import re
import json
import ipaddress
from datetime import datetime from datetime import datetime
def run_traceroute(host): def run_traceroute(host):
timestamp = datetime.now().timestamp()
result = subprocess.run(['traceroute', host], stdout=subprocess.PIPE) result = subprocess.run(['traceroute', host], stdout=subprocess.PIPE)
return result.stdout.decode() return result.stdout.decode(), timestamp
def parse_traceroute_output(output): def parse_traceroute_output(output, timestamp):
lines = output.strip().split('\n')
hops = [] hops = []
lines = output.strip().split('\n')[1:] # Skip the first line (traceroute to ...)
previous_ip = None
for line in lines:
parts = line.split()
hop_number = int(parts[0])
ip_address = parts[1]
latencies = []
for part in parts[2:]:
if re.match(r'^[0-9+\s+ms$]', part):
latency_str = re.sub(r'[^0-9.]', '', part)
if latency_str and not latency_str == '':
try:
print(part)
print(latency_str)
latencies.append(float(latency_str))
except ValueError:
print(f"Could not convert '{latency_str}' to float.")
avg_latency = sum(latencies) / len(latencies) if latencies else None ip_regex = r"\((.*?)\)" # ipaddress are in ()
timestamp = datetime.now().isoformat()
if previous_ip: target = output.strip().split('\n')[0].split()[2]
hops.append({
'hop_number': hop_number, for line in lines[1:]:
'source_ip': previous_ip, hop = {}
'destination_ip': ip_address, hop_info = line.split()
'latency': avg_latency, hop_number = int(hop_info[0])
'timestamp': timestamp, hop_name = None
}) hop_ip = None
previous_ip = ip_address hop_latency = None
latencies = []
#print("##### "+str(hop_info))
count = 0
for part in hop_info[1:]:
count += 1
# source node drops or blocks icmp packages
# We will give funny to name to hop for not answering and move on.
if part == '*':
hop_name = 'hop.'+str(count)+'.'+str(target)
break
# If first colum is either name or ip-address
if count == 1:
match = re.search(ip_regex, part)
if match:
hop_ip = part.strip('()')
else:
hop_name = part
# Second colum is ip-address first latency reading
if count == 2:
if re.search(ip_regex, part):
try:
_ip = ipaddress.ip_address(part.strip('()'))
hop_ip = part.strip('()')
except ValueError:
pass # Ignore if it's not a valid IP address
# Rest of the input colums are either latency floats, 'ms' or
# reruns of the hop_name and hop_ip...
# We only need the latency floats anymore.
else:
try:
latency = float(part)
latencies.append(latency)
except ValueError:
pass
hop_latency = sum(latencies) / len(latencies) if latencies else None
hop['timestamp'] = timestamp
hop['hop_number'] = hop_number
if not hop_name == None:
hop['hop_name'] = hop_name
hop['hop_ip'] = hop_ip
hop['hop_latency'] = hop_latency
hops.append(target)
hops.append(hop)
return hops return hops
def create_tables():
conn = sqlite3.connect('traceroute.db') def create_tables(databasefile):
# Connect to the SQLite database
conn = sqlite3.connect(databasefile)
cursor = conn.cursor() cursor = conn.cursor()
# Table to store unique links # SQL statements to create the tables
cursor.execute(''' create_links_table = """
CREATE TABLE IF NOT EXISTS links ( CREATE TABLE IF NOT EXISTS Links (
id INTEGER PRIMARY KEY, id INTEGER PRIMARY KEY,
source_ip TEXT, source_ip TEXT NOT NULL,
destination_ip TEXT, destination_ip TEXT NOT NULL,
UNIQUE(source_ip, destination_ip) UNIQUE(source_ip, destination_ip)
) );
''') """
# Table to store latency and timestamp for each link create_paths_table = """
cursor.execute(''' CREATE TABLE IF NOT EXISTS Paths (
CREATE TABLE IF NOT EXISTS link_latency ( id INTEGER PRIMARY KEY,
id INTEGER PRIMARY KEY, start_ip TEXT NOT NULL,
link_id INTEGER, end_ip TEXT NOT NULL,
latency REAL, hops_json TEXT NOT NULL,
timestamp TEXT, UNIQUE(start_ip, end_ip, hops_json)
FOREIGN KEY (link_id) REFERENCES links (id) );
) """
''')
create_latency_table = """
CREATE TABLE IF NOT EXISTS Latency (
id INTEGER PRIMARY KEY,
link_id INTEGER NOT NULL,
timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
latency_ms REAL NOT NULL,
FOREIGN KEY (link_id) REFERENCES Links(id)
);
"""
create_hopdetails_table = """
CREATE TABLE IF NOT EXISTS HopDetails (
id INTEGER PRIMARY KEY,
link_id INTEGER NOT NULL,
ttl INTEGER,
icmp_type INTEGER,
icmp_code INTEGER,
packet_loss REAL,
FOREIGN KEY (link_id) REFERENCES Links(id)
);
"""
# Execute the SQL statements
cursor.execute(create_links_table)
cursor.execute(create_paths_table)
cursor.execute(create_latency_table)
cursor.execute(create_hopdetails_table)
# Commit changes and close the connection
conn.commit() conn.commit()
conn.close() conn.close()
def store_traceroute(hops): def store_traceroute(db_file, start_ip, end_ip, hops):
conn = sqlite3.connect('traceroute.db') conn = sqlite3.connect(db_file)
cursor = conn.cursor() cursor = conn.cursor()
# Insert links and get their IDs
link_ids = []
for hop in hops: for hop in hops:
# Insert or ignore link into links table print(hop)
cursor.execute(''' source_ip = start_ip if not link_ids else hops[len(link_ids)-1][0]
INSERT OR IGNORE INTO links (source_ip, destination_ip) destination_ip = hop[0]
VALUES (?, ?) latency = hop[1]
''', (hop['source_ip'], hop['destination_ip']))
# Retrieve the link_id cursor.execute("""
cursor.execute(''' INSERT OR IGNORE INTO Links (source_ip, destination_ip) VALUES (?, ?)
SELECT id FROM links WHERE source_ip = ? AND destination_ip = ? """, (source_ip, destination_ip))
''', (hop['source_ip'], hop['destination_ip'])) cursor.execute("""
link_id = cursor.fetchone()[0] SELECT id FROM Links WHERE source_ip = ? AND destination_ip = ?
""", (source_ip, destination_ip))
result = cursor.fetchone()
if result is None:
print(hop)
raise ValueError(f"Failed to insert of find link between {source_ip} and {destination_ip}")
link_id = result[0]
link_ids.append(link_id)
# Insert latency data into link_latency table cursor.execute("""
cursor.execute(''' INSERT INTO Latency (link_id, latency_ms) VALUES (?, ?)
INSERT INTO link_latency (link_id, latency, timestamp) """, (link_id, latency))
VALUES (?, ?, ?)
''', (link_id, hop['latency'], hop['timestamp'])) # Insert path
hops_json = json.dumps(link_ids)
cursor.execute("""
INSERT INTO Paths (start_ip, end_ip, hops_json) VALUES (?, ?, ?)
""", (start_ip, end_ip, hops_json))
conn.commit() conn.commit()
conn.close() conn.close()
def retrieve_traceroute(): def retrieve_traceroute():
conn = sqlite3.connect('traceroute.db') conn = sqlite3.connect('traceroute.db')
cursor = conn.cursor() cursor = conn.cursor()
@ -110,17 +195,18 @@ def retrieve_traceroute():
conn.close() conn.close()
return rows return rows
# Usage
if __name__ == '__main__': if __name__ == '__main__':
create_tables()
traceroute_output = run_traceroute('vi.fi')
hops = parse_traceroute_output(traceroute_output)
# for hop in hops:
# print(hop)
store_traceroute(hops)
stored_hops = retrieve_traceroute()
for hop in stored_hops:
print(f"Link: {hop[0]} -> {hop[1]}, Latency: {hop[2]} ms, Timestamp: {hop[3]}")
databasefile="./traceroute.db"
create_tables(databasefile)
target='vi.fi'
traceroute_output, timestamp = run_traceroute(target)
hops = parse_traceroute_output(traceroute_output, timestamp)
print("#####")
print(hops)
print("#####")
exit(0) exit(0)