96 lines
3.6 KiB
Python
96 lines
3.6 KiB
Python
# target_simulator/gui/external_profiler.py
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import socket
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import logging
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class ExternalProfiler:
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"""
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Gestisce la logica di forwarding dei pacchetti su porte dedicate per il profiling esterno.
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"""
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def __init__(self):
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self.logger = logging.getLogger(__name__)
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self.port_a = 0
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self.port_b = 0
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self.socket_a = None
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self.socket_b = None
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self.is_active = False
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self.use_broadcast = False
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def start(self, port_a: int, port_b: int, use_broadcast: bool = False) -> bool:
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"""
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Crea i socket e avvia il profiler.
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Args:
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port_a: Porta per l'invio del pacchetto raw (inizio elaborazione)
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port_b: Porta per l'invio dopo elaborazione (fine elaborazione)
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use_broadcast: Se True, invia in broadcast invece che solo a localhost
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"""
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if self.is_active:
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self.logger.warning("Profiler is already active.")
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return True
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self.port_a = port_a
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self.port_b = port_b
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self.use_broadcast = use_broadcast
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try:
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self.socket_a = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.socket_a.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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if use_broadcast:
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self.socket_a.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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self.socket_b = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.socket_b.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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if use_broadcast:
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self.socket_b.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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self.is_active = True
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target = "broadcast" if use_broadcast else "127.0.0.1"
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self.logger.info(f"External Profiler started. Forwarding to {target} on ports A:{port_a}, B:{port_b}")
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return True
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except Exception as e:
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self.logger.error(f"Failed to create sockets for profiling: {e}")
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self.stop()
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return False
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def stop(self):
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"""
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Ferma il profiler e chiude i socket.
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"""
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if self.socket_a:
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self.socket_a.close()
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self.socket_a = None
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if self.socket_b:
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self.socket_b.close()
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self.socket_b = None
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self.is_active = False
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self.logger.info("External Profiler stopped.")
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def forward_to_port_a(self, raw_bytes: bytes, addr: tuple):
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"""
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Callback per la Porta A: inoltra il pacchetto raw se è un messaggio di scenario.
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"""
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if not self.is_active or not self.socket_a or len(raw_bytes) <= 6:
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return
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flow = raw_bytes[6]
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if flow in (ord('R'), ord('r')):
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try:
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dest_addr = '255.255.255.255' if self.use_broadcast else '127.0.0.1'
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self.socket_a.sendto(raw_bytes, (dest_addr, self.port_a))
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except Exception as e:
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self.logger.error(f"Failed to forward to Port A: {e}")
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def forward_to_port_b(self, raw_bytes: bytes):
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"""
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Callback per la Porta B: inoltra il pacchetto raw dopo l'elaborazione.
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"""
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if not self.is_active or not self.socket_b or len(raw_bytes) <= 6:
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return
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flow = raw_bytes[6]
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if flow in (ord('R'), ord('r')):
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try:
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dest_addr = '255.255.255.255' if self.use_broadcast else '127.0.0.1'
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self.socket_b.sendto(raw_bytes, (dest_addr, self.port_b))
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except Exception as e:
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self.logger.error(f"Failed to forward to Port B: {e}") |