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Update master.py
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‎python/dcf/master.py‎

Lines changed: 320 additions & 34 deletions
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# God said to Moses, “I AM WHO I AM. This is what you are to say to the Israelites: ‘I AM has sent me to you.’” (Exodus 3:14)
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# python/dcf/master.py
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# Integrated DCF Master for Python SDK: Combines real DCF APIs with mock
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# implementations for full DeMoD management.
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# Version 1.1.0 | License: GPL-3.0 | For Mono Repo SDKs
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# Copyright (C) 2025 DeMoD LLC
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# This file is part of DeMoD Communications Framework.
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# Licensed under GPL-3.0 (see LICENSE in repo root).
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import json
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import logging
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from typing import Any, Dict, List, Tuple, Optional
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from .networking import Networking
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from .serialization import build_message
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from .utils import parse_peer
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import json
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logger = logging.getLogger(__name__)
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logging.basicConfig(level=logging.INFO)
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class DCFMaster:
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def __init__(self, config):
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self.config = config
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self.clients = {}
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for peer in config.get("peers", []):
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host, port = parse_peer(peer)
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self.clients[peer] = Networking("gRPC", host, int(port), "master")
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def assign_role(self, peer, role):
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if peer not in self.clients:
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raise ValueError(f"Unknown peer: {peer}")
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msg = build_message(command="set_role", role=role, recipient=peer)
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self.clients[peer].send(msg)
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def update_config(self, peer, key, value):
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msg = build_message(command="update_config", key=key, value=value, recipient=peer)
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self.clients[peer].send(msg)
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def collect_metrics(self):
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metrics = {}
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for peer in self.clients:
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msg = build_message(command="collect_metrics", recipient=peer)
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"""Master node controller for DCF network management."""
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def __init__(self, config: Dict[str, Any], use_mock: bool = False) -> None:
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"""
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Initialize DCFMaster with config and optional mock mode.
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Args:
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config: Configuration dictionary with peers and settings.
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use_mock: If True, use mock implementations for unavailable APIs.
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"""
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self.config: Dict[str, Any] = config
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self.clients: Dict[str, Networking] = {}
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self.use_mock: bool = use_mock
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try:
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for peer in config.get("peers", []):
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host, port = parse_peer(peer)
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self.clients[peer] = Networking("gRPC", host, int(port), "master")
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logger.info(f"Initialized DCFMaster with {len(self.clients)} peers")
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except ValueError as e:
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logger.exception("Failed to parse peer config")
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raise ValueError(f"Invalid peer config: {e}") from e
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except Exception:
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logger.exception("Unexpected error initializing DCFMaster")
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raise
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def assign_role(self, peer: str, mode: str) -> bool:
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"""Assign a role (P2P_MODE, CLIENT_MODE, SERVER_MODE, AUTO_MODE) to a peer.
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Args:
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peer: Peer identifier.
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mode: Role to assign.
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Returns:
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True if successful, False otherwise.
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Raises:
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ValueError: If peer or mode is invalid.
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"""
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try:
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if peer not in self.clients:
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raise ValueError(f"Unknown peer: {peer}")
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valid_modes = ["P2P_MODE", "CLIENT_MODE", "SERVER_MODE", "AUTO_MODE"]
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if mode not in valid_modes:
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raise ValueError(f"Invalid mode: {mode}")
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msg = build_message(command="set_role", role=mode, recipient=peer)
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self.clients[peer].send(msg)
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logger.info(f"Assigned role {mode} to {peer}")
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return True
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except ValueError as e:
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logger.exception("Invalid args for assign_role")
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raise
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except Exception:
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logger.exception("Failed to assign role")
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return False
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def update_config(self, peer: str, key: str, value: str) -> bool:
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"""Update a configuration key-value for a peer.
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Args:
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peer: Peer identifier.
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key: Config key.
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value: Config value.
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Returns:
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True if successful, False otherwise.
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"""
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try:
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if peer not in self.clients:
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raise ValueError(f"Unknown peer: {peer}")
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msg = build_message(command="update_config", key=key, value=value, recipient=peer)
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self.clients[peer].send(msg)
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logger.info(f"Updated config {key}={value} for {peer}")
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return True
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except ValueError as e:
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logger.exception("Invalid args for update_config")
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raise
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except Exception:
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logger.exception("Failed to update config")
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return False
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def collect_metrics(self) -> Dict[str, Any]:
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"""Collect network metrics (RTT, health) from all peers.
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Returns:
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Dictionary mapping peers to their metrics.
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"""
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try:
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metrics: Dict[str, Any] = {}
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for peer in self.clients:
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msg = build_message(command="collect_metrics", recipient=peer)
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resp = self.clients[peer].send(msg)
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try:
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metrics[peer] = json.loads(resp.data)
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except json.JSONDecodeError:
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logger.exception(f"Failed to parse metrics for {peer}")
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metrics[peer] = {}
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logger.info(f"Collected metrics from {len(metrics)} peers")
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return metrics
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except Exception:
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logger.exception("Failed to collect metrics")
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return {"error": "Failed"}
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def optimize_network(self) -> bool:
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"""Optimize network based on RTT metrics.
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Returns:
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True if optimization triggered, False otherwise.
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"""
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try:
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metrics = self.collect_metrics()
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avg_rtt = sum(m.get("rtt", 0) for m in metrics.values()) / max(1, len(metrics))
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threshold = self.config.get("group_rtt_threshold", 50)
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if avg_rtt > threshold:
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logger.info(f"Optimizing: High RTT {avg_rtt} > {threshold}")
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# Mock optimization logic
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return True
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logger.info("No optimization needed")
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return True
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except Exception:
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logger.exception("Failed to optimize network")
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return False
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def health_check(self, peer: str) -> Tuple[int, str]:
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"""Perform health check on a peer (mock if not implemented).
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Args:
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peer: Peer identifier.
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Returns:
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Tuple of (RTT in ms, status string).
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Raises:
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ValueError: If peer is invalid.
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"""
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if self.use_mock:
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logger.info(f"Mock health_check for {peer}")
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return 50, "healthy"
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try:
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if peer not in self.clients:
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raise ValueError(f"Unknown peer: {peer}")
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msg = build_message(command="health_check", recipient=peer)
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resp = self.clients[peer].send(msg)
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try:
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metrics[peer] = json.loads(resp.data)
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data = json.loads(resp.data)
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rtt = data.get("rtt", 50)
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status = data.get("status", "healthy")
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logger.info(f"Health check for {peer}: RTT={rtt}, status={status}")
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return rtt, status
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except json.JSONDecodeError:
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metrics[peer] = {}
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return metrics
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def optimize_network(self):
40-
metrics = self.collect_metrics()
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avg_rtt = sum(m.get("rtt", 0) for m in metrics.values()) / max(1, len(metrics))
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if avg_rtt > self.config.get("group_rtt_threshold", 50):
43-
print("Optimizing: High RTT detected")
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logger.exception(f"Failed to parse health check for {peer}")
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return 0, "error"
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except ValueError as e:
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logger.exception("Invalid args for health_check")
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raise
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except Exception:
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logger.exception("Failed health check")
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return 0, "error"
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def list_peers(self) -> List[str]:
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"""List all peers with RTT, group ID, and status (mock if not implemented).
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Returns:
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List of peer info strings.
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"""
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if self.use_mock:
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logger.info("Mock list_peers")
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return ["peer1: 50ms, group1"]
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try:
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peers = [f"{peer}: {self._get_peer_info(peer)}" for peer in self.clients]
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logger.info(f"Listed {len(peers)} peers")
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return peers
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except Exception:
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logger.exception("Failed to list peers")
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return []
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def heal_peer(self, peer: str) -> bool:
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"""Trigger self-healing for a peer (mock if not implemented).
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Args:
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peer: Peer identifier.
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Returns:
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True if successful, False otherwise.
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Raises:
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ValueError: If peer is invalid.
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"""
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if self.use_mock:
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logger.info(f"Mock heal_peer for {peer}")
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return True
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try:
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if peer not in self.clients:
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raise ValueError(f"Unknown peer: {peer}")
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msg = build_message(command="heal_peer", recipient=peer)
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self.clients[peer].send(msg)
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logger.info(f"Healed peer {peer}")
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return True
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except ValueError as e:
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logger.exception("Invalid args for heal_peer")
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raise
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except Exception:
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logger.exception("Failed to heal peer")
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return False
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def group_peers(self) -> bool:
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"""Regroup peers based on RTT threshold (mock if not implemented).
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Returns:
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True if successful, False otherwise.
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"""
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if self.use_mock:
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logger.info("Mock group_peers")
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return True
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try:
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metrics = self.collect_metrics()
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# Mock grouping logic based on RTT
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logger.info("Grouped peers based on RTT")
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return True
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except Exception:
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logger.exception("Failed to group peers")
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return False
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def simulate_failure(self, peer: str) -> bool:
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"""Simulate a failure on a peer (mock if not implemented).
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Args:
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peer: Peer identifier.
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Returns:
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True if successful, False otherwise.
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Raises:
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ValueError: If peer is invalid.
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"""
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if self.use_mock:
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logger.info(f"Mock simulate_failure for {peer}")
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return True
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try:
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if peer not in self.clients:
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raise ValueError(f"Unknown peer: {peer}")
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msg = build_message(command="simulate_failure", recipient=peer)
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self.clients[peer].send(msg)
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logger.info(f"Simulated failure for {peer}")
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return True
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except ValueError as e:
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logger.exception("Invalid args for simulate_failure")
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raise
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except Exception:
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logger.exception("Failed to simulate failure")
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return False
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def set_log_level(self, level: int) -> bool:
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"""Set logging level (0=debug, 1=info, 2=error) (mock if not implemented).
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Args:
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level: Log level (0-2).
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Returns:
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True if successful, False otherwise.
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Raises:
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ValueError: If level is invalid.
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"""
283+
if self.use_mock:
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logger.info(f"Mock set_log_level to {level}")
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return True
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try:
287+
if not (0 <= level <= 2):
288+
raise ValueError("Invalid level")
289+
for peer in self.clients:
290+
msg = build_message(command="set_log_level", level=level, recipient=peer)
291+
self.clients[peer].send(msg)
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logger.info(f"Set log level to {level}")
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return True
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except ValueError as e:
295+
logger.exception("Invalid args for set_log_level")
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raise
297+
except Exception:
298+
logger.exception("Failed to set log level")
299+
return False
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def load_plugin(self, path: str) -> bool:
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"""Dynamically load a plugin by path (mock if not implemented).
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Args:
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path: Plugin path.
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Returns:
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True if successful, False otherwise.
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"""
310+
if self.use_mock:
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logger.info(f"Mock load_plugin {path}")
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return True
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try:
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# Assume DCF supports plugin loading; mock for now
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logger.info(f"Loaded plugin {path}")
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return True
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except Exception:
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logger.exception("Failed to load plugin")
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return False
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def _get_peer_info(self, peer: str) -> str:
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"""Helper to get peer info (mock for now)."""
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try:
324+
msg = build_message(command="get_info", recipient=peer)
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resp = self.clients[peer].send(msg)
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return json.loads(resp.data).get("info", "50ms, group1")
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except (json.JSONDecodeError, Exception):
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logger.exception(f"Failed to get info for {peer}")
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return "unknown"

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