New database schema.

traceroute_collector.py

@@ -43,31 +43,60 @@ def parse_traceroute_output(output):
         previous_ip = ip_address
     return hops
 
-def create_tables():
+def create_tables(databasefile):
-    conn = sqlite3.connect('traceroute.db')
+        # Connect to the SQLite database
+    conn = sqlite3.connect(databasefile)
     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,
-            source_ip TEXT,
+        source_ip TEXT NOT NULL,
-            destination_ip TEXT,
+        destination_ip TEXT NOT NULL,
         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,
-            link_id INTEGER,
+        start_ip TEXT NOT NULL,
-            latency REAL,
+        end_ip TEXT NOT NULL,
-            timestamp TEXT,
+        hops_json TEXT NOT NULL,
-            FOREIGN KEY (link_id) REFERENCES links (id)
+        UNIQUE(start_ip, end_ip, hops_json)
-        )
+    );
-    ''')
+    """
     
+    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.close()