import asyncio import aiohttp from typing import Dict, List, Any, Optional, Tuple import logging from dataclasses import dataclass from enum import Enum import hashlib import random import time class QuantumConnectionType(Enum): """Types de connexion quantique""" BELL_PAIR = "bell_pair" GHZ_STATE = "ghz_state" CLUSTER_STATE = "cluster_state" QUANTUM_INTERNET = "quantum_internet" class NetworkTopology(Enum): """Topologies de réseau quantique""" STAR = "star" MESH = "mesh" RING = "ring" HYBRID = "hybrid" QUANTUM_FULLY_CONNECTED = "quantum_fully_connected" @dataclass class QuantumNode: """Nœud du réseau quantique""" node_id: str location: str quantum_resources: Dict[str, Any] connection_capacity: int entangled_links: List[str] latency: float status: str = "active" @dataclass class QuantumChannel: """Canal de communication quantique""" channel_id: str node_a: str node_b: str entanglement_fidelity: float bandwidth: float quantum_memory: bool established_at: float class QuantumNetworkManager: """ Gestionnaire de réseau quantique global avec établissement automatique de liens intriqués """ def __init__(self): self.logger = logging.getLogger("quantum_network") self.quantum_nodes: Dict[str, QuantumNode] = {} self.quantum_channels: Dict[str, QuantumChannel] = {} self.entanglement_pairs: List[Tuple[str, str]] = [] self.network_topology = NetworkTopology.HYBRID self.quantum_routing_table: Dict[str, List[str]] = {} async def initialize(self): """Initialise le réseau quantique""" self.logger.info("🌐 Initialisation du réseau quantique...") try: await self._discover_quantum_nodes() await self._establish_base_topology() await self._calibrate_quantum_links() await self._build_routing_table() self.logger.info("✅ Réseau quantique initialisé") return True except Exception as e: self.logger.error(f"❌ Erreur d'initialisation réseau quantique: {e}") return False async def establish_quantum_connection(self, node_a: str, node_b: str, connection_type: QuantumConnectionType) -> QuantumChannel: """Établit une connexion quantique entre deux nœuds""" try: if node_a not in self.quantum_nodes or node_b not in self.quantum_nodes: raise ValueError("Nœuds quantiques introuvables") # Vérification de la capacité des nœuds if (len(self.quantum_nodes[node_a].entangled_links) >= self.quantum_nodes[node_a].connection_capacity or len(self.quantum_nodes[node_b].entangled_links) >= self.quantum_nodes[node_b].connection_capacity): raise ValueError("Capacité de connexion dépassée") # Création du canal quantique channel_id = f"qchannel_{hashlib.md5(f'{node_a}{node_b}{time.time()}'.encode()).hexdigest()[:8]}" quantum_channel = QuantumChannel( channel_id=channel_id, node_a=node_a, node_b=node_b, entanglement_fidelity=await self._calculate_entanglement_fidelity(node_a, node_b), bandwidth=await self._calculate_quantum_bandwidth(node_a, node_b), quantum_memory=True, established_at=time.time() ) self.quantum_channels[channel_id] = quantum_channel # Établissement de l'intrication await self._establish_quantum_entanglement(node_a, node_b, connection_type) # Mise à jour des nœuds self.quantum_nodes[node_a].entangled_links.append(node_b) self.quantum_nodes[node_b].entangled_links.append(node_a) # Mise à jour de la table de routage await self._update_routing_table() self.logger.info(f"🔗 Connexion quantique établie: {node_a} ↔ {node_b} (fidélité: {quantum_channel.entanglement_fidelity:.3f})") return quantum_channel except Exception as e: self.logger.error(f"Erreur établissement connexion quantique: {e}") raise async def create_quantum_network_topology(self, topology: NetworkTopology) -> bool: """Crée une topologie de réseau quantique spécifique""" try: self.network_topology = topology self.logger.info(f"🕸️ Création de la topologie {topology.value}...") if topology == NetworkTopology.STAR: await self._create_star_topology() elif topology == NetworkTopology.MESH: await self._create_mesh_topology() elif topology == NetworkTopology.RING: await self._create_ring_topology() elif topology == NetworkTopology.QUANTUM_FULLY_CONNECTED: await self._create_fully_connected_topology() elif topology == NetworkTopology.HYBRID: await self._create_hybrid_topology() await self._update_routing_table() self.logger.info(f"✅ Topologie {topology.value} créée avec {len(self.quantum_channels)} canaux") return True except Exception as e: self.logger.error(f"Erreur création topologie: {e}") return False async def quantum_teleport_data(self, data: Any, source_node: str, target_node: str) -> Dict[str, Any]: """Téléporte des données via le réseau quantique""" try: # Vérification de la connexion quantique if not await self._check_quantum_connection(source_node, target_node): self.logger.info(f"🔗 Établissement de connexion quantique pour téléportation...") await self.establish_quantum_connection(source_node, target_node, QuantumConnectionType.BELL_PAIR) # Préparation de l'état quantique quantum_state = await self._encode_data_to_quantum_state(data) # Téléportation quantique teleportation_result = await self._perform_quantum_teleportation( quantum_state, source_node, target_node ) return { "data_teleported": data, "source": source_node, "target": target_node, "success": teleportation_result["success"], "fidelity": teleportation_result["fidelity"], "teleportation_time": teleportation_result["time"], "quantum_channel_used": await self._find_quantum_channel(source_node, target_node) } except Exception as e: self.logger.error(f"Erreur téléportation quantique: {e}") return {"error": str(e)} async def distribute_quantum_state(self, quantum_state: Dict[str, Any], target_nodes: List[str]) -> Dict[str, Any]: """Distribue un état quantique à multiples nœuds""" try: distribution_results = {} for node in target_nodes: if node not in self.quantum_nodes: self.logger.warning(f"⚠️ Nœud {node} non trouvé, ignoré") continue result = await self._distribute_to_node(quantum_state, node) distribution_results[node] = result return { "original_state": quantum_state, "distribution_results": distribution_results, "consistency_check": await self._verify_state_consistency(distribution_results), "distribution_efficiency": await self._calculate_distribution_efficiency(distribution_results) } except Exception as e: self.logger.error(f"Erreur distribution état quantique: {e}") return {"error": str(e)} async def establish_global_entanglement(self) -> bool: """Établit une intrication quantique globale""" try: node_ids = list(self.quantum_nodes.keys()) if len(node_ids) < 2: raise ValueError("Pas assez de nœuds pour l'intrication globale") self.logger.info(f"🌀 Établissement de l'intrication quantique globale avec {len(node_ids)} nœuds...") # Création d'un état GHZ global await self._create_global_ghz_state(node_ids) # Vérification de l'intrication globale global_entanglement = await self._verify_global_entanglement() if global_entanglement: self.logger.info(f"🌍 Intrication quantique globale établie: {len(node_ids)} nœuds") else: self.logger.warning("⚠️ Intrication globale partielle seulement") return global_entanglement except Exception as e: self.logger.error(f"Erreur intrication globale: {e}") return False async def optimize_network_routing(self, data_type: str, priority: str = "latency") -> Dict[str, Any]: """Optimise le routage sur le réseau quantique""" try: routing_strategy = await self._select_routing_strategy(data_type, priority) optimized_routes = await self._calculate_optimized_routes(routing_strategy) return { "routing_strategy": routing_strategy, "optimized_routes": optimized_routes, "estimated_improvement": await self._estimate_routing_improvement(optimized_routes), "quantum_advantages": await self._identify_quantum_advantages(optimized_routes), "topology_efficiency": await self._calculate_topology_efficiency() } except Exception as e: self.logger.error(f"Erreur optimisation routage: {e}") return {"error": str(e)} async def add_quantum_node(self, node_id: str, location: str, resources: Dict[str, Any]) -> bool: """Ajoute un nouveau nœud au réseau quantique""" try: if node_id in self.quantum_nodes: self.logger.warning(f"⚠️ Nœud {node_id} existe déjà") return False new_node = QuantumNode( node_id=node_id, location=location, quantum_resources=resources, connection_capacity=resources.get("max_connections", 10), entangled_links=[], latency=resources.get("base_latency", 10.0) ) self.quantum_nodes[node_id] = new_node # Intégration automatique dans la topologie existante await self._integrate_new_node(node_id) await self._update_routing_table() self.logger.info(f"🆕 Nœud quantique ajouté: {node_id} à {location}") return True except Exception as e: self.logger.error(f"Erreur ajout nœud: {e}") return False async def get_network_statistics(self) -> Dict[str, Any]: """Retourne les statistiques du réseau quantique""" total_entanglements = sum(len(node.entangled_links) for node in self.quantum_nodes.values()) // 2 return { "total_nodes": len(self.quantum_nodes), "total_channels": len(self.quantum_channels), "total_entanglements": total_entanglements, "network_topology": self.network_topology.value, "average_fidelity": np.mean([ch.entanglement_fidelity for ch in self.quantum_channels.values()]) if self.quantum_channels else 0, "network_coverage": await self._calculate_network_coverage(), "quantum_connectivity": await self._calculate_quantum_connectivity() } async def _discover_quantum_nodes(self): """Découvre les nœuds quantiques disponibles""" self.logger.info("🔍 Découverte des nœuds quantiques...") # Simulation de découverte de nœuds quantum_nodes_data = [ ("quantum_hub_paris", "Paris, France", {"qubits": 128, "coherence_time": 150.0, "gate_fidelity": 0.998, "max_connections": 20}), ("quantum_hub_newyork", "New York, USA", {"qubits": 256, "coherence_time": 120.0, "gate_fidelity": 0.995, "max_connections": 25}), ("quantum_hub_tokyo", "Tokyo, Japan", {"qubits": 192, "coherence_time": 140.0, "gate_fidelity": 0.997, "max_connections": 18}), ("quantum_hub_sydney", "Sydney, Australia", {"qubits": 96, "coherence_time": 130.0, "gate_fidelity": 0.996, "max_connections": 15}), ("quantum_edge_london", "London, UK", {"qubits": 64, "coherence_time": 100.0, "gate_fidelity": 0.992, "max_connections": 12}), ("quantum_edge_singapore", "Singapore", {"qubits": 80, "coherence_time": 110.0, "gate_fidelity": 0.994, "max_connections": 10}), ("quantum_edge_sao_paulo", "Sao Paulo, Brazil", {"qubits": 72, "coherence_time": 90.0, "gate_fidelity": 0.991, "max_connections": 8}) ] for node_id, location, resources in quantum_nodes_data: self.quantum_nodes[node_id] = QuantumNode( node_id=node_id, location=location, quantum_resources=resources, connection_capacity=resources["max_connections"], entangled_links=[], latency=random.uniform(5, 50) # Latence simulée en ms ) self.logger.info(f"📡 {len(self.quantum_nodes)} nœuds quantiques découverts") async def _establish_base_topology(self): """Établit la topologie de base""" self.logger.info("🕸️ Établissement de la topologie de base...") # Connexions de base entre hubs principaux pour former un réseau backbone hubs = [node_id for node_id in self.quantum_nodes.keys() if "hub" in node_id] # Création d'un anneau backbone entre les hubs for i in range(len(hubs)): next_index = (i + 1) % len(hubs) await self.establish_quantum_connection( hubs[i], hubs[next_index], QuantumConnectionType.BELL_PAIR ) async def _calibrate_quantum_links(self): """Calibre les liens quantiques""" self.logger.info("🎛️ Calibration des liens quantiques...") for channel_id, channel in self.quantum_channels.items(): # Simulation de calibration - amélioration de la fidélité calibration_improvement = random.uniform(1.02, 1.08) calibrated_fidelity = min(0.995, channel.entanglement_fidelity * calibration_improvement) self.quantum_channels[channel_id].entanglement_fidelity = calibrated_fidelity self.logger.info("✅ Calibration des liens quantiques terminée") async def _build_routing_table(self): """Construit la table de routage quantique""" self.quantum_routing_table = {} for node_id in self.quantum_nodes.keys(): self.quantum_routing_table[node_id] = await self._calculate_routes_from_node(node_id) async def _calculate_entanglement_fidelity(self, node_a: str, node_b: str) -> float: """Calcule la fidélité d'intrication entre deux nœuds""" # Facteurs influençant la fidélité distance_factor = await self._calculate_distance_factor(node_a, node_b) resource_quality = await self._calculate_resource_quality(node_a, node_b) environmental_factor = random.uniform(0.95, 0.99) # Bruit environnemental base_fidelity = 0.96 fidelity = base_fidelity * distance_factor * resource_quality * environmental_factor return min(0.99, fidelity) async def _calculate_quantum_bandwidth(self, node_a: str, node_b: str) -> float: """Calcule la bande passante quantique""" # Dépend des ressources des nœuds et de la distance node_a_resources = self.quantum_nodes[node_a].quantum_resources node_b_resources = self.quantum_nodes[node_b].quantum_resources min_qubits = min(node_a_resources["qubits"], node_b_resources["qubits"]) coherence_bottleneck = min(node_a_resources["coherence_time"], node_b_resources["coherence_time"]) # Bande passante en qubits/seconde (simplifié) bandwidth = min_qubits * (coherence_bottleneck / 1000.0) * 0.1 return bandwidth async def _establish_quantum_entanglement(self, node_a: str, node_b: str, connection_type: QuantumConnectionType): """Établit l'intrication quantique""" if connection_type == QuantumConnectionType.BELL_PAIR: await self._create_bell_pair(node_a, node_b) elif connection_type == QuantumConnectionType.GHZ_STATE: additional_nodes = self._find_additional_nodes(2) # Besoin de 2 nœuds supplémentaires pour GHZ await self._create_ghz_state([node_a, node_b] + additional_nodes) elif connection_type == QuantumConnectionType.CLUSTER_STATE: await self._create_cluster_state([node_a, node_b]) elif connection_type == QuantumConnectionType.QUANTUM_INTERNET: await self._create_quantum_internet_connection(node_a, node_b) self.entanglement_pairs.append((node_a, node_b)) self.logger.debug(f"⚛️ Intrication {connection_type.value} établie: {node_a} ↔ {node_b}") async def _create_star_topology(self): """Crée une topologie en étoile""" hubs = [node_id for node_id in self.quantum_nodes.keys() if "hub" in node_id] edges = [node_id for node_id in self.quantum_nodes.keys() if "edge" in node_id] if not hubs: self.logger.warning("Aucun hub trouvé pour la topologie en étoile") return central_hub = hubs[0] # Premier hub comme centre # Connecter tous les autres nœuds au hub central for node in hubs[1:] + edges: if node != central_hub: await self.establish_quantum_connection(central_hub, node, QuantumConnectionType.BELL_PAIR) async def _create_mesh_topology(self): """Crée une topologie maillée""" all_nodes = list(self.quantum_nodes.keys()) for i in range(len(all_nodes)): for j in range(i + 1, len(all_nodes)): # Connecter chaque paire de nœuds await self.establish_quantum_connection( all_nodes[i], all_nodes[j], QuantumConnectionType.BELL_PAIR ) async def _create_ring_topology(self): """Crée une topologie en anneau""" all_nodes = list(self.quantum_nodes.keys()) for i in range(len(all_nodes)): next_index = (i + 1) % len(all_nodes) await self.establish_quantum_connection( all_nodes[i], all_nodes[next_index], QuantumConnectionType.BELL_PAIR ) async def _create_fully_connected_topology(self): """Crée une topologie entièrement connectée""" await self._create_mesh_topology() # Mesh est déjà fully connected async def _create_hybrid_topology(self): """Crée une topologie hybride""" # Hubs en mesh, edges connectés aux hubs les plus proches hubs = [node_id for node_id in self.quantum_nodes.keys() if "hub" in node_id] edges = [node_id for node_id in self.quantum_nodes.keys() if "edge" in node_id] # Mesh entre hubs for i in range(len(hubs)): for j in range(i + 1, len(hubs)): await self.establish_quantum_connection(hubs[i], hubs[j], QuantumConnectionType.BELL_PAIR) # Étoile pour les edges for edge in edges: # Trouver le hub le plus proche (simulé) closest_hub = await self._find_closest_hub(edge, hubs) if closest_hub: await self.establish_quantum_connection(closest_hub, edge, QuantumConnectionType.BELL_PAIR) async def _check_quantum_connection(self, node_a: str, node_b: str) -> bool: """Vérifie si une connexion quantique existe""" for channel in self.quantum_channels.values(): if (channel.node_a == node_a and channel.node_b == node_b) or \ (channel.node_a == node_b and channel.node_b == node_a): return True return False async def _encode_data_to_quantum_state(self, data: Any) -> Dict[str, Any]: """Encode des données en état quantique""" data_str = str(data) data_hash = hashlib.md5(data_str.encode()).hexdigest() # Simulation d'encodage quantique qubits_required = (len(data_str) // 8) + 1 return { "encoded_data": data, "quantum_representation": f"|ψ_{data_hash[:8]}>", "qubits_required": qubits_required, "entanglement_pattern": "bell_state_encoding", "compression_ratio": len(data_str) / qubits_required } async def _perform_quantum_teleportation(self, quantum_state: Dict[str, Any], source: str, target: str) -> Dict[str, Any]: """Effectue la téléportation quantique""" # Simulation de téléportation quantique channel = await self._find_quantum_channel(source, target) if not channel: return {"success": False, "fidelity": 0.0, "time": 0.0} # Temps de téléportation proportionnel aux qubits et à la fidélité base_time = quantum_state["qubits_required"] * 0.01 # 10ms par qubit fidelity_penalty = (1.0 - channel.entanglement_fidelity) * 0.5 teleportation_time = base_time * (1.0 + fidelity_penalty) # Probabilité de succès basée sur la fidélité success_probability = channel.entanglement_fidelity * 0.95 # 95% de la fidélité return { "success": random.random() < success_probability, "fidelity": channel.entanglement_fidelity, "time": teleportation_time, "resources_used": quantum_state["qubits_required"] * 3 # Qubits de téléportation } async def _distribute_to_node(self, quantum_state: Dict[str, Any], node: str) -> Dict[str, Any]: """Distribue un état quantique à un nœud spécifique""" # Simulation de distribution distribution_time = quantum_state["qubits_required"] * 0.005 # 5ms par qubit success_rate = random.uniform(0.85, 0.98) return { "node": node, "state_received": random.random() < success_rate, "fidelity": random.uniform(0.88, 0.96), "distribution_time": distribution_time, "verification_passed": random.random() < 0.95, "quantum_memory_used": quantum_state["qubits_required"] } async def _verify_state_consistency(self, distribution_results: Dict[str, Any]) -> bool: """Vérifie la cohérence des états distribués""" successful_distributions = [result for result in distribution_results.values() if result.get("state_received", False) and result.get("verification_passed", False)] # Dans un vrai système quantique, on vérifierait les corrélations quantiques consistency_threshold = 0.8 # 80% de distributions réussies consistency_ratio = len(successful_distributions) / len(distribution_results) if distribution_results else 0 return consistency_ratio >= consistency_threshold async def _calculate_distribution_efficiency(self, distribution_results: Dict[str, Any]) -> float: """Calcule l'efficacité de la distribution""" if not distribution_results: return 0.0 total_time = sum(result.get("distribution_time", 0) for result in distribution_results.values()) successful = sum(1 for result in distribution_results.values() if result.get("state_received", False)) efficiency = (successful / len(distribution_results)) * (1.0 / (total_time + 0.1)) # Éviter division par zéro return min(1.0, efficiency * 10) # Normalisation async def _create_global_ghz_state(self, node_ids: List[str]): """Crée un état GHZ global""" if len(node_ids) < 3: self.logger.warning("GHZ state requires at least 3 nodes") return # Simulation de création d'état GHZ # Dans la réalité, cela nécessiterait une synchronisation complexe for i in range(len(node_ids)): for j in range(i + 1, len(node_ids)): # Établir des connexions pour l'état GHZ if not await self._check_quantum_connection(node_ids[i], node_ids[j]): await self.establish_quantum_connection( node_ids[i], node_ids[j], QuantumConnectionType.GHZ_STATE ) async def _verify_global_entanglement(self) -> bool: """Vérifie l'intrication globale""" connected_nodes = set() for pair in self.entanglement_pairs: connected_nodes.add(pair[0]) connected_nodes.add(pair[1]) # Vérifier que tous les nœuds sont connectés directement ou indirectement return len(connected_nodes) == len(self.quantum_nodes) async def _select_routing_strategy(self, data_type: str, priority: str) -> str: """Sélectionne la stratégie de routage""" strategies = { "latency": "quantum_shortest_path", "reliability": "quantum_redundant_path", "security": "quantum_entangled_path", "capacity": "quantum_multipath", "efficiency": "quantum_adaptive_routing" } # Adaptation en fonction du type de données if "sensitive" in data_type: return "quantum_entangled_path" elif "bulk" in data_type: return "quantum_multipath" else: return strategies.get(priority, "quantum_adaptive_routing") async def _calculate_optimized_routes(self, strategy: str) -> Dict[str, List[str]]: """Calcule les routes optimisées""" routes = {} for source in self.quantum_nodes.keys(): for target in self.quantum_nodes.keys(): if source != target: if strategy == "quantum_shortest_path": route = await self._shortest_path_route(source, target) elif strategy == "quantum_redundant_path": route = await self._redundant_path_route(source, target) elif strategy == "quantum_entangled_path": route = await self._entangled_path_route(source, target) elif strategy == "quantum_multipath": route = await self._multipath_route(source, target) else: # quantum_adaptive_routing route = await self._adaptive_route(source, target) routes[f"{source}->{target}"] = route return routes async def _estimate_routing_improvement(self, optimized_routes: Dict[str, List[str]]) -> float: """Estime l'amélioration du routage""" # Calculer la métrique d'efficacité moyenne total_efficiency = 0 route_count = 0 for route_path in optimized_routes.values(): if len(route_path) >= 2: efficiency = 1.0 / len(route_path) # Plus court = plus efficace total_efficiency += efficiency route_count += 1 avg_efficiency = total_efficiency / route_count if route_count > 0 else 0 return min(1.0, avg_efficiency * 2) # Normalisation async def _identify_quantum_advantages(self, optimized_routes: Dict[str, List[str]]) -> List[str]: """Identifie les avantages quantiques""" advantages = [] # Vérifier l'utilisation de l'intrication entangled_routes = sum(1 for route in optimized_routes.values() if any(self._is_entangled_pair(route[i], route[i+1]) for i in range(len(route)-1))) if entangled_routes > len(optimized_routes) * 0.3: # 30% des routes utilisent l'intrication advantages.append("entanglement_based_routing") # Vérifier le multipath multipath_routes = sum(1 for route in optimized_routes.values() if len(route) > 2) if multipath_routes > len(optimized_routes) * 0.4: # 40% des routes sont multipath advantages.append("quantum_multipath_capability") # Vérifier la redondance quantique if len(self.entanglement_pairs) > len(self.quantum_nodes) * 2: advantages.append("quantum_redundancy") return advantages async def _calculate_topology_efficiency(self) -> float: """Calcule l'efficacité de la topologie""" total_possible_connections = len(self.quantum_nodes) * (len(self.quantum_nodes) - 1) // 2 actual_connections = len(self.quantum_channels) if total_possible_connections == 0: return 0.0 connection_efficiency = actual_connections / total_possible_connections # Pénalité pour la latence moyenne avg_latency = np.mean([node.latency for node in self.quantum_nodes.values()]) latency_penalty = min(1.0, avg_latency / 100.0) # Normalisation sur 100ms return connection_efficiency * (1.0 - latency_penalty) async def _integrate_new_node(self, new_node_id: str): """Intègre un nouveau nœud dans la topologie existante""" # Stratégie d'intégration basée sur la topologie actuelle if self.network_topology == NetworkTopology.STAR: await self._integrate_into_star(new_node_id) elif self.network_topology == NetworkTopology.MESH: await self._integrate_into_mesh(new_node_id) elif self.network_topology == NetworkTopology.RING: await self._integrate_into_ring(new_node_id) else: # HYBRID ou autres await self._integrate_into_hybrid(new_node_id) async def _update_routing_table(self): """Met à jour la table de routage""" self.quantum_routing_table = {} for node_id in self.quantum_nodes.keys(): self.quantum_routing_table[node_id] = await self._calculate_routes_from_node(node_id) async def _calculate_routes_from_node(self, source: str) -> List[str]: """Calcule les routes disponibles depuis un nœud""" routes = [] for target in self.quantum_nodes.keys(): if source != target: route = await self._shortest_path_route(source, target) routes.append(route) return routes async def _calculate_network_coverage(self) -> float: """Calcule la couverture du réseau""" connected_components = await self._find_connected_components() largest_component = max(connected_components, key=len) if connected_components else [] return len(largest_component) / len(self.quantum_nodes) if self.quantum_nodes else 0.0 async def _calculate_quantum_connectivity(self) -> float: """Calcule la connectivité quantique""" total_possible_entanglements = len(self.quantum_nodes) * (len(self.quantum_nodes) - 1) // 2 actual_entanglements = len(self.entanglement_pairs) return actual_entanglements / total_possible_entanglements if total_possible_entanglements > 0 else 0.0 # Méthodes utilitaires (implémentations simplifiées) async def _calculate_distance_factor(self, node_a: str, node_b: str) -> float: """Calcule le facteur de distance pour la fidélité""" # Simulation basée sur la localisation locations = { "paris": (48.8566, 2.3522), "newyork": (40.7128, -74.0060), "tokyo": (35.6762, 139.6503), "sydney": (-33.8688, 151.2093), "london": (51.5074, -0.1278), "singapore": (1.3521, 103.8198), "sao_paulo": (-23.5505, -46.6333) } # Extraire la ville des node_id def extract_city(node_id): for city in locations.keys(): if city in node_id.lower(): return city return "paris" # Par défaut city_a = extract_city(node_a) city_b = extract_city(node_b) if city_a == city_b: return 0.98 # Même ville # Distance simulée (plus la distance est grande, plus la fidélité baisse) base_factor = 0.95 distance_penalty = random.uniform(0.02, 0.08) return max(0.8, base_factor - distance_penalty) async def _calculate_resource_quality(self, node_a: str, node_b: str) -> float: """Calcule la qualité des ressources""" node_a_quality = self.quantum_nodes[node_a].quantum_resources["gate_fidelity"] node_b_quality = self.quantum_nodes[node_b].quantum_resources["gate_fidelity"] return (node_a_quality + node_b_quality) / 2 async def _find_quantum_channel(self, node_a: str, node_b: str) -> Optional[QuantumChannel]: """Trouve le canal quantique entre deux nœuds""" for channel in self.quantum_channels.values(): if (channel.node_a == node_a and channel.node_b == node_b) or \ (channel.node_a == node_b and channel.node_b == node_a): return channel return None def _find_additional_nodes(self, count: int) -> List[str]: """Trouve des nœuds supplémentaires pour les états multi-partites""" available_nodes = [node for node in self.quantum_nodes.keys() if len(self.quantum_nodes[node].entangled_links) < self.quantum_nodes[node].connection_capacity - 1] return available_nodes[:count] async def _find_closest_hub(self, edge_node: str, hubs: List[str]) -> Optional[str]: """Trouve le hub le plus proche d'un nœud edge""" if not hubs: return None # Simulation basée sur la latence min_latency = float('inf') closest_hub = None for hub in hubs: # Estimation de latence basée sur la localisation latency_estimate = self.quantum_nodes[edge_node].latency + self.quantum_nodes[hub].latency if latency_estimate < min_latency: min_latency = latency_estimate closest_hub = hub return closest_hub def _is_entangled_pair(self, node_a: str, node_b: str) -> bool: """Vérifie si deux nœuds sont intriqués""" return (node_a, node_b) in self.entanglement_pairs or (node_b, node_a) in self.entanglement_pairs async def _find_connected_components(self) -> List[List[str]]: """Trouve les composantes connexes du réseau""" visited = set() components = [] for node in self.quantum_nodes.keys(): if node not in visited: component = await self._bfs_connected_component(node) components.append(component) visited.update(component) return components async def _bfs_connected_component(self, start_node: str) -> List[str]: """Trouve la composante connexe par BFS""" visited = set() queue = [start_node] while queue: node = queue.pop(0) if node not in visited: visited.add(node) # Ajouter les voisins (nœuds connectés) for channel in self.quantum_channels.values(): if channel.node_a == node and channel.node_b not in visited: queue.append(channel.node_b) elif channel.node_b == node and channel.node_a not in visited: queue.append(channel.node_a) return list(visited) # Algorithmes de routage (implémentations simplifiées) async def _shortest_path_route(self, source: str, target: str) -> List[str]: """Calcule le chemin le plus court""" # Implémentation simplifiée du plus court chemin if await self._check_quantum_connection(source, target): return [source, target] # Chercher un chemin via un nœud intermédiaire for intermediate in self.quantum_nodes.keys(): if (intermediate != source and intermediate != target and await self._check_quantum_connection(source, intermediate) and await self._check_quantum_connection(intermediate, target)): return [source, intermediate, target] return [source, target] # Retourner le chemin direct même s'il n'existe pas async def _redundant_path_route(self, source: str, target: str) -> List[str]: """Calcule un chemin redondant""" base_route = await self._shortest_path_route(source, target) # Ajouter un chemin alternatif si possible return base_route async def _entangled_path_route(self, source: str, target: str) -> List[str]: """Calcule un chemin utilisant l'intrication""" route = await self._shortest_path_route(source, target) # Marquer les paires intriquées dans le chemin return route async def _multipath_route(self, source: str, target: str) -> List[str]: """Calcule un chemin multipath""" route = await self._shortest_path_route(source, target) # Étendre pour supporter multiple chemins return route async def _adaptive_route(self, source: str, target: str) -> List[str]: """Calcule un chemin adaptatif""" # Utiliser différentes stratégies selon les conditions return await self._shortest_path_route(source, target) async def _integrate_into_star(self, new_node_id: str): """Intègre un nouveau nœud dans une topologie en étoile""" hubs = [node_id for node_id in self.quantum_nodes.keys() if "hub" in node_id and node_id != new_node_id] if hubs: central_hub = hubs[0] # Premier hub disponible await self.establish_quantum_connection(central_hub, new_node_id, QuantumConnectionType.BELL_PAIR) async def _integrate_into_mesh(self, new_node_id: str): """Intègre un nouveau nœud dans une topologie maillée""" # Connecter à quelques nœuds existants existing_nodes = [node for node in self.quantum_nodes.keys() if node != new_node_id] connections_to_make = min(3, len(existing_nodes)) # Maximum 3 connexions for i in range(connections_to_make): if i < len(existing_nodes): await self.establish_quantum_connection(new_node_id, existing_nodes[i], QuantumConnectionType.BELL_PAIR) async def _integrate_into_ring(self, new_node_id: str): """Intègre un nouveau nœud dans une topologie en anneau""" existing_nodes = [node for node in self.quantum_nodes.keys() if node != new_node_id] if len(existing_nodes) >= 2: # Insérer dans l'anneau en cassant une connexion et en créant deux nouvelles node_a, node_b = existing_nodes[0], existing_nodes[1] await self.establish_quantum_connection(new_node_id, node_a, QuantumConnectionType.BELL_PAIR) await self.establish_quantum_connection(new_node_id, node_b, QuantumConnectionType.BELL_PAIR) async def _integrate_into_hybrid(self, new_node_id: str): """Intègre un nouveau nœud dans une topologie hybride""" if "hub" in new_node_id: # Nouveau hub - connecter à d'autres hubs hubs = [node for node in self.quantum_nodes.keys() if "hub" in node and node != new_node_id] for hub in hubs[:2]: # Connecter à 2 hubs existants await self.establish_quantum_connection(new_node_id, hub, QuantumConnectionType.BELL_PAIR) else: # Nouveau edge - connecter au hub le plus proche hubs = [node for node in self.quantum_nodes.keys() if "hub" in node] closest_hub = await self._find_closest_hub(new_node_id, hubs) if closest_hub: await self.establish_quantum_connection(closest_hub, new_node_id, QuantumConnectionType.BELL_PAIR) async def _create_bell_pair(self, node_a: str, node_b: str): """Crée une paire de Bell""" # Simulation de création de paire de Bell pass async def _create_ghz_state(self, nodes: List[str]): """Crée un état GHZ""" # Simulation de création d'état GHZ pass async def _create_cluster_state(self, nodes: List[str]): """Crée un état cluster""" # Simulation de création d'état cluster pass async def _create_quantum_internet_connection(self, node_a: str, node_b: str): """Crée une connexion quantique de type internet""" # Simulation de connexion quantique avancée pass # Import numpy pour les calculs import numpy as np # Instance globale du gestionnaire de réseau quantique quantum_network = QuantumNetworkManager() async def initialize_quantum_network(): """Initialise le réseau quantique global""" return await quantum_network.initialize() async def create_quantum_link(node_a: str, node_b: str): """Crée un lien quantique entre deux nœuds""" return await quantum_network.establish_quantum_connection( node_a, node_b, QuantumConnectionType.BELL_PAIR ) async def get_network_status(): """Retourne le statut du réseau quantique""" return await quantum_network.get_network_statistics()