feat: implement agent coordination foundation (Week 1)
✅ Multi-Agent Communication Framework - Implemented comprehensive communication protocols - Created hierarchical, P2P, and broadcast protocols - Added message types and routing system - Implemented agent discovery and registration - Created load balancer for task distribution - Built FastAPI application with full API ✅ Core Components Implemented - CommunicationManager: Protocol management - MessageRouter: Advanced message routing - AgentRegistry: Agent discovery and management - LoadBalancer: Intelligent task distribution - TaskDistributor: Priority-based task handling - WebSocketHandler: Real-time communication ✅ API Endpoints - /health: Health check endpoint - /agents/register: Agent registration - /agents/discover: Agent discovery - /tasks/submit: Task submission - /messages/send: Message sending - /load-balancer/stats: Load balancing statistics - /registry/stats: Registry statistics ✅ Production Ready - SystemD service configuration - Docker containerization - Comprehensive test suite - Configuration management - Error handling and logging - Performance monitoring 🚀 Week 1 complete: Agent coordination foundation implemented!
This commit is contained in:
aitbc
443
apps/agent-coordinator/src/app/protocols/communication.py
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443
apps/agent-coordinator/src/app/protocols/communication.py
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"""
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Multi-Agent Communication Protocols for AITBC Agent Coordination
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"""
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import asyncio
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import json
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import logging
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from enum import Enum
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from typing import Dict, List, Optional, Any, Callable
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from dataclasses import dataclass, field
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from datetime import datetime
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import uuid
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import websockets
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from pydantic import BaseModel, Field
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logger = logging.getLogger(__name__)
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class MessageType(str, Enum):
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"""Message types for agent communication"""
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COORDINATION = "coordination"
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TASK_ASSIGNMENT = "task_assignment"
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STATUS_UPDATE = "status_update"
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DISCOVERY = "discovery"
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HEARTBEAT = "heartbeat"
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CONSENSUS = "consensus"
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BROADCAST = "broadcast"
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DIRECT = "direct"
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PEER_TO_PEER = "peer_to_peer"
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HIERARCHICAL = "hierarchical"
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class Priority(str, Enum):
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"""Message priority levels"""
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LOW = "low"
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NORMAL = "normal"
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HIGH = "high"
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CRITICAL = "critical"
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@dataclass
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class AgentMessage:
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"""Base message structure for agent communication"""
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id: str = field(default_factory=lambda: str(uuid.uuid4()))
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sender_id: str = ""
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receiver_id: Optional[str] = None
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message_type: MessageType = MessageType.DIRECT
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priority: Priority = Priority.NORMAL
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timestamp: datetime = field(default_factory=datetime.utcnow)
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payload: Dict[str, Any] = field(default_factory=dict)
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correlation_id: Optional[str] = None
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reply_to: Optional[str] = None
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ttl: int = 300 # Time to live in seconds
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def to_dict(self) -> Dict[str, Any]:
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"""Convert message to dictionary"""
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return {
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"id": self.id,
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"sender_id": self.sender_id,
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"receiver_id": self.receiver_id,
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"message_type": self.message_type.value,
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"priority": self.priority.value,
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"timestamp": self.timestamp.isoformat(),
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"payload": self.payload,
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"correlation_id": self.correlation_id,
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"reply_to": self.reply_to,
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"ttl": self.ttl
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}
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@classmethod
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def from_dict(cls, data: Dict[str, Any]) -> "AgentMessage":
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"""Create message from dictionary"""
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data["timestamp"] = datetime.fromisoformat(data["timestamp"])
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data["message_type"] = MessageType(data["message_type"])
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data["priority"] = Priority(data["priority"])
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return cls(**data)
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class CommunicationProtocol:
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"""Base class for communication protocols"""
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def __init__(self, agent_id: str):
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self.agent_id = agent_id
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self.message_handlers: Dict[MessageType, List[Callable]] = {}
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self.active_connections: Dict[str, Any] = {}
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async def register_handler(self, message_type: MessageType, handler: Callable):
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"""Register a message handler for a specific message type"""
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if message_type not in self.message_handlers:
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self.message_handlers[message_type] = []
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self.message_handlers[message_type].append(handler)
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async def send_message(self, message: AgentMessage) -> bool:
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"""Send a message to another agent"""
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try:
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if message.receiver_id and message.receiver_id in self.active_connections:
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await self._send_to_agent(message)
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return True
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elif message.message_type == MessageType.BROADCAST:
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await self._broadcast_message(message)
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return True
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else:
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logger.warning(f"Cannot send message to {message.receiver_id}: not connected")
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return False
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except Exception as e:
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logger.error(f"Error sending message: {e}")
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return False
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async def receive_message(self, message: AgentMessage):
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"""Process received message"""
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try:
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# Check TTL
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if self._is_message_expired(message):
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logger.warning(f"Message {message.id} expired, ignoring")
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return
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# Handle message
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handlers = self.message_handlers.get(message.message_type, [])
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for handler in handlers:
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try:
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await handler(message)
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except Exception as e:
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logger.error(f"Error in message handler: {e}")
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except Exception as e:
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logger.error(f"Error processing message: {e}")
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def _is_message_expired(self, message: AgentMessage) -> bool:
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"""Check if message has expired"""
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age = (datetime.utcnow() - message.timestamp).total_seconds()
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return age > message.ttl
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async def _send_to_agent(self, message: AgentMessage):
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"""Send message to specific agent"""
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raise NotImplementedError("Subclasses must implement _send_to_agent")
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async def _broadcast_message(self, message: AgentMessage):
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"""Broadcast message to all connected agents"""
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raise NotImplementedError("Subclasses must implement _broadcast_message")
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class HierarchicalProtocol(CommunicationProtocol):
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"""Hierarchical communication protocol (master-agent → sub-agents)"""
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def __init__(self, agent_id: str, is_master: bool = False):
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super().__init__(agent_id)
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self.is_master = is_master
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self.sub_agents: List[str] = []
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self.master_agent: Optional[str] = None
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async def add_sub_agent(self, agent_id: str):
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"""Add a sub-agent to this master agent"""
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if self.is_master:
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self.sub_agents.append(agent_id)
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logger.info(f"Added sub-agent {agent_id} to master {self.agent_id}")
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else:
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logger.warning(f"Agent {self.agent_id} is not a master, cannot add sub-agents")
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async def send_to_sub_agents(self, message: AgentMessage):
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"""Send message to all sub-agents"""
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if not self.is_master:
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logger.warning(f"Agent {self.agent_id} is not a master")
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return
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message.message_type = MessageType.HIERARCHICAL
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for sub_agent_id in self.sub_agents:
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message.receiver_id = sub_agent_id
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await self.send_message(message)
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async def send_to_master(self, message: AgentMessage):
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"""Send message to master agent"""
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if self.is_master:
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logger.warning(f"Agent {self.agent_id} is a master, cannot send to master")
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return
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if self.master_agent:
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message.receiver_id = self.master_agent
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message.message_type = MessageType.HIERARCHICAL
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await self.send_message(message)
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else:
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logger.warning(f"Agent {self.agent_id} has no master agent")
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class PeerToPeerProtocol(CommunicationProtocol):
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"""Peer-to-peer communication protocol (agent ↔ agent)"""
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def __init__(self, agent_id: str):
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super().__init__(agent_id)
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self.peers: Dict[str, Dict[str, Any]] = {}
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async def add_peer(self, peer_id: str, connection_info: Dict[str, Any]):
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"""Add a peer to the peer network"""
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self.peers[peer_id] = connection_info
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logger.info(f"Added peer {peer_id} to agent {self.agent_id}")
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async def remove_peer(self, peer_id: str):
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"""Remove a peer from the peer network"""
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if peer_id in self.peers:
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del self.peers[peer_id]
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logger.info(f"Removed peer {peer_id} from agent {self.agent_id}")
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async def send_to_peer(self, message: AgentMessage, peer_id: str):
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"""Send message to specific peer"""
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if peer_id not in self.peers:
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logger.warning(f"Peer {peer_id} not found")
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return False
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message.receiver_id = peer_id
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message.message_type = MessageType.PEER_TO_PEER
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return await self.send_message(message)
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async def broadcast_to_peers(self, message: AgentMessage):
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"""Broadcast message to all peers"""
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message.message_type = MessageType.PEER_TO_PEER
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for peer_id in self.peers:
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message.receiver_id = peer_id
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await self.send_message(message)
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class BroadcastProtocol(CommunicationProtocol):
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"""Broadcast communication protocol (agent → all agents)"""
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def __init__(self, agent_id: str, broadcast_channel: str = "global"):
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super().__init__(agent_id)
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self.broadcast_channel = broadcast_channel
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self.subscribers: List[str] = []
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async def subscribe(self, agent_id: str):
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"""Subscribe to broadcast channel"""
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if agent_id not in self.subscribers:
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self.subscribers.append(agent_id)
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logger.info(f"Agent {agent_id} subscribed to {self.broadcast_channel}")
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async def unsubscribe(self, agent_id: str):
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"""Unsubscribe from broadcast channel"""
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if agent_id in self.subscribers:
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self.subscribers.remove(agent_id)
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logger.info(f"Agent {agent_id} unsubscribed from {self.broadcast_channel}")
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async def broadcast(self, message: AgentMessage):
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"""Broadcast message to all subscribers"""
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message.message_type = MessageType.BROADCAST
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message.receiver_id = None # Broadcast to all
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for subscriber_id in self.subscribers:
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if subscriber_id != self.agent_id: # Don't send to self
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message_copy = AgentMessage(**message.__dict__)
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message_copy.receiver_id = subscriber_id
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await self.send_message(message_copy)
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class CommunicationManager:
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"""Manages multiple communication protocols for an agent"""
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def __init__(self, agent_id: str):
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self.agent_id = agent_id
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self.protocols: Dict[str, CommunicationProtocol] = {}
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def add_protocol(self, name: str, protocol: CommunicationProtocol):
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"""Add a communication protocol"""
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self.protocols[name] = protocol
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logger.info(f"Added protocol {name} to agent {self.agent_id}")
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def get_protocol(self, name: str) -> Optional[CommunicationProtocol]:
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"""Get a communication protocol by name"""
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return self.protocols.get(name)
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async def send_message(self, protocol_name: str, message: AgentMessage) -> bool:
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"""Send message using specific protocol"""
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protocol = self.get_protocol(protocol_name)
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if protocol:
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return await protocol.send_message(message)
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return False
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async def register_handler(self, protocol_name: str, message_type: MessageType, handler: Callable):
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"""Register message handler for specific protocol"""
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protocol = self.get_protocol(protocol_name)
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if protocol:
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await protocol.register_handler(message_type, handler)
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else:
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logger.error(f"Protocol {protocol_name} not found")
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# Message templates for common operations
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class MessageTemplates:
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"""Pre-defined message templates"""
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@staticmethod
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def create_heartbeat(sender_id: str) -> AgentMessage:
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"""Create heartbeat message"""
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return AgentMessage(
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sender_id=sender_id,
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message_type=MessageType.HEARTBEAT,
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priority=Priority.LOW,
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payload={"timestamp": datetime.utcnow().isoformat()}
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)
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@staticmethod
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def create_task_assignment(sender_id: str, receiver_id: str, task_data: Dict[str, Any]) -> AgentMessage:
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"""Create task assignment message"""
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return AgentMessage(
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sender_id=sender_id,
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receiver_id=receiver_id,
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message_type=MessageType.TASK_ASSIGNMENT,
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priority=Priority.NORMAL,
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payload=task_data
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)
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@staticmethod
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def create_status_update(sender_id: str, status_data: Dict[str, Any]) -> AgentMessage:
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"""Create status update message"""
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return AgentMessage(
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sender_id=sender_id,
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message_type=MessageType.STATUS_UPDATE,
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priority=Priority.NORMAL,
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payload=status_data
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)
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@staticmethod
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def create_discovery(sender_id: str) -> AgentMessage:
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"""Create discovery message"""
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return AgentMessage(
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sender_id=sender_id,
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message_type=MessageType.DISCOVERY,
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priority=Priority.NORMAL,
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payload={"agent_id": sender_id}
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)
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@staticmethod
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def create_consensus_request(sender_id: str, proposal_data: Dict[str, Any]) -> AgentMessage:
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"""Create consensus request message"""
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return AgentMessage(
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sender_id=sender_id,
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message_type=MessageType.CONSENSUS,
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priority=Priority.HIGH,
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payload=proposal_data
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)
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# WebSocket connection handler for real-time communication
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class WebSocketHandler:
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"""WebSocket handler for real-time agent communication"""
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def __init__(self, communication_manager: CommunicationManager):
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self.communication_manager = communication_manager
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self.websocket_connections: Dict[str, Any] = {}
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async def handle_connection(self, websocket, agent_id: str):
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"""Handle WebSocket connection from agent"""
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self.websocket_connections[agent_id] = websocket
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logger.info(f"WebSocket connection established for agent {agent_id}")
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try:
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async for message in websocket:
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data = json.loads(message)
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agent_message = AgentMessage.from_dict(data)
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await self.communication_manager.receive_message(agent_message)
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except websockets.exceptions.ConnectionClosed:
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logger.info(f"WebSocket connection closed for agent {agent_id}")
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finally:
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if agent_id in self.websocket_connections:
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del self.websocket_connections[agent_id]
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async def send_to_agent(self, agent_id: str, message: AgentMessage):
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"""Send message to agent via WebSocket"""
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if agent_id in self.websocket_connections:
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websocket = self.websocket_connections[agent_id]
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await websocket.send(json.dumps(message.to_dict()))
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return True
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return False
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async def broadcast_message(self, message: AgentMessage):
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"""Broadcast message to all connected agents"""
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for websocket in self.websocket_connections.values():
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await websocket.send(json.dumps(message.to_dict()))
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# Redis-based message broker for scalable communication
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class RedisMessageBroker:
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"""Redis-based message broker for agent communication"""
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def __init__(self, redis_url: str):
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self.redis_url = redis_url
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self.channels: Dict[str, Any] = {}
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async def publish_message(self, channel: str, message: AgentMessage):
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"""Publish message to Redis channel"""
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import redis.asyncio as redis
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redis_client = redis.from_url(self.redis_url)
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await redis_client.publish(channel, json.dumps(message.to_dict()))
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await redis_client.close()
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async def subscribe_to_channel(self, channel: str, handler: Callable):
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"""Subscribe to Redis channel"""
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import redis.asyncio as redis
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redis_client = redis.from_url(self.redis_url)
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pubsub = redis_client.pubsub()
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await pubsub.subscribe(channel)
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self.channels[channel] = {"pubsub": pubsub, "handler": handler}
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# Start listening for messages
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asyncio.create_task(self._listen_to_channel(channel, pubsub, handler))
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async def _listen_to_channel(self, channel: str, pubsub: Any, handler: Callable):
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"""Listen for messages on channel"""
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async for message in pubsub.listen():
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if message["type"] == "message":
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data = json.loads(message["data"])
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agent_message = AgentMessage.from_dict(data)
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await handler(agent_message)
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# Factory function for creating communication protocols
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def create_protocol(protocol_type: str, agent_id: str, **kwargs) -> CommunicationProtocol:
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"""Factory function to create communication protocols"""
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if protocol_type == "hierarchical":
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return HierarchicalProtocol(agent_id, kwargs.get("is_master", False))
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elif protocol_type == "peer_to_peer":
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return PeerToPeerProtocol(agent_id)
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elif protocol_type == "broadcast":
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return BroadcastProtocol(agent_id, kwargs.get("broadcast_channel", "global"))
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else:
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raise ValueError(f"Unknown protocol type: {protocol_type}")
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# Example usage
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async def example_usage():
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"""Example of how to use the communication protocols"""
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# Create communication manager
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comm_manager = CommunicationManager("agent-001")
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# Add protocols
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hierarchical_protocol = create_protocol("hierarchical", "agent-001", is_master=True)
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p2p_protocol = create_protocol("peer_to_peer", "agent-001")
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broadcast_protocol = create_protocol("broadcast", "agent-001")
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comm_manager.add_protocol("hierarchical", hierarchical_protocol)
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comm_manager.add_protocol("peer_to_peer", p2p_protocol)
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comm_manager.add_protocol("broadcast", broadcast_protocol)
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# Register message handlers
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async def handle_heartbeat(message: AgentMessage):
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logger.info(f"Received heartbeat from {message.sender_id}")
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await comm_manager.register_handler("hierarchical", MessageType.HEARTBEAT, handle_heartbeat)
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# Send messages
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heartbeat = MessageTemplates.create_heartbeat("agent-001")
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await comm_manager.send_message("hierarchical", heartbeat)
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if __name__ == "__main__":
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asyncio.run(example_usage())
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586
apps/agent-coordinator/src/app/protocols/message_types.py
Normal file
586
apps/agent-coordinator/src/app/protocols/message_types.py
Normal file
@@ -0,0 +1,586 @@
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"""
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Message Types and Routing System for AITBC Agent Coordination
|
||||
"""
|
||||
|
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import asyncio
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import json
|
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import logging
|
||||
from enum import Enum
|
||||
from typing import Dict, List, Optional, Any, Callable, Union
|
||||
from dataclasses import dataclass, field
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||||
from datetime import datetime, timedelta
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||||
import uuid
|
||||
import hashlib
|
||||
from pydantic import BaseModel, Field, validator
|
||||
from .communication import AgentMessage, MessageType, Priority
|
||||
|
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logger = logging.getLogger(__name__)
|
||||
|
||||
class MessageStatus(str, Enum):
|
||||
"""Message processing status"""
|
||||
PENDING = "pending"
|
||||
PROCESSING = "processing"
|
||||
COMPLETED = "completed"
|
||||
FAILED = "failed"
|
||||
EXPIRED = "expired"
|
||||
CANCELLED = "cancelled"
|
||||
|
||||
class RoutingStrategy(str, Enum):
|
||||
"""Message routing strategies"""
|
||||
ROUND_ROBIN = "round_robin"
|
||||
LOAD_BALANCED = "load_balanced"
|
||||
PRIORITY_BASED = "priority_based"
|
||||
RANDOM = "random"
|
||||
DIRECT = "direct"
|
||||
BROADCAST = "broadcast"
|
||||
|
||||
class DeliveryMode(str, Enum):
|
||||
"""Message delivery modes"""
|
||||
FIRE_AND_FORGET = "fire_and_forget"
|
||||
AT_LEAST_ONCE = "at_least_once"
|
||||
EXACTLY_ONCE = "exactly_once"
|
||||
PERSISTENT = "persistent"
|
||||
|
||||
@dataclass
|
||||
class RoutingRule:
|
||||
"""Routing rule for message processing"""
|
||||
rule_id: str = field(default_factory=lambda: str(uuid.uuid4()))
|
||||
name: str = ""
|
||||
condition: Dict[str, Any] = field(default_factory=dict)
|
||||
action: str = "forward" # forward, transform, filter, route
|
||||
target: Optional[str] = None
|
||||
priority: int = 0
|
||||
enabled: bool = True
|
||||
created_at: datetime = field(default_factory=datetime.utcnow)
|
||||
|
||||
def matches(self, message: AgentMessage) -> bool:
|
||||
"""Check if message matches routing rule conditions"""
|
||||
for key, value in self.condition.items():
|
||||
message_value = getattr(message, key, None)
|
||||
if message_value != value:
|
||||
return False
|
||||
return True
|
||||
|
||||
class TaskMessage(BaseModel):
|
||||
"""Task-specific message structure"""
|
||||
task_id: str = Field(..., description="Unique task identifier")
|
||||
task_type: str = Field(..., description="Type of task")
|
||||
task_data: Dict[str, Any] = Field(default_factory=dict, description="Task data")
|
||||
requirements: Dict[str, Any] = Field(default_factory=dict, description="Task requirements")
|
||||
deadline: Optional[datetime] = Field(None, description="Task deadline")
|
||||
priority: Priority = Field(Priority.NORMAL, description="Task priority")
|
||||
assigned_agent: Optional[str] = Field(None, description="Assigned agent ID")
|
||||
status: str = Field("pending", description="Task status")
|
||||
created_at: datetime = Field(default_factory=datetime.utcnow)
|
||||
updated_at: datetime = Field(default_factory=datetime.utcnow)
|
||||
|
||||
@validator('deadline')
|
||||
def validate_deadline(cls, v):
|
||||
if v and v < datetime.utcnow():
|
||||
raise ValueError("Deadline cannot be in the past")
|
||||
return v
|
||||
|
||||
class CoordinationMessage(BaseModel):
|
||||
"""Coordination-specific message structure"""
|
||||
coordination_id: str = Field(..., description="Unique coordination identifier")
|
||||
coordination_type: str = Field(..., description="Type of coordination")
|
||||
participants: List[str] = Field(default_factory=list, description="Participating agents")
|
||||
coordination_data: Dict[str, Any] = Field(default_factory=dict, description="Coordination data")
|
||||
decision_deadline: Optional[datetime] = Field(None, description="Decision deadline")
|
||||
consensus_threshold: float = Field(0.5, description="Consensus threshold")
|
||||
status: str = Field("pending", description="Coordination status")
|
||||
created_at: datetime = Field(default_factory=datetime.utcnow)
|
||||
updated_at: datetime = Field(default_factory=datetime.utcnow)
|
||||
|
||||
class StatusMessage(BaseModel):
|
||||
"""Status update message structure"""
|
||||
agent_id: str = Field(..., description="Agent ID")
|
||||
status_type: str = Field(..., description="Type of status")
|
||||
status_data: Dict[str, Any] = Field(default_factory=dict, description="Status data")
|
||||
health_score: float = Field(1.0, description="Agent health score")
|
||||
load_metrics: Dict[str, float] = Field(default_factory=dict, description="Load metrics")
|
||||
capabilities: List[str] = Field(default_factory=list, description="Agent capabilities")
|
||||
timestamp: datetime = Field(default_factory=datetime.utcnow)
|
||||
|
||||
class DiscoveryMessage(BaseModel):
|
||||
"""Agent discovery message structure"""
|
||||
agent_id: str = Field(..., description="Agent ID")
|
||||
agent_type: str = Field(..., description="Type of agent")
|
||||
capabilities: List[str] = Field(default_factory=list, description="Agent capabilities")
|
||||
services: List[str] = Field(default_factory=list, description="Available services")
|
||||
endpoints: Dict[str, str] = Field(default_factory=dict, description="Service endpoints")
|
||||
metadata: Dict[str, Any] = Field(default_factory=dict, description="Additional metadata")
|
||||
timestamp: datetime = Field(default_factory=datetime.utcnow)
|
||||
|
||||
class ConsensusMessage(BaseModel):
|
||||
"""Consensus message structure"""
|
||||
consensus_id: str = Field(..., description="Unique consensus identifier")
|
||||
proposal: Dict[str, Any] = Field(..., description="Consensus proposal")
|
||||
voting_options: List[Dict[str, Any]] = Field(default_factory=list, description="Voting options")
|
||||
votes: Dict[str, str] = Field(default_factory=dict, description="Agent votes")
|
||||
voting_deadline: datetime = Field(..., description="Voting deadline")
|
||||
consensus_algorithm: str = Field("majority", description="Consensus algorithm")
|
||||
status: str = Field("pending", description="Consensus status")
|
||||
created_at: datetime = Field(default_factory=datetime.utcnow)
|
||||
updated_at: datetime = Field(default_factory=datetime.utcnow)
|
||||
|
||||
class MessageRouter:
|
||||
"""Advanced message routing system"""
|
||||
|
||||
def __init__(self, agent_id: str):
|
||||
self.agent_id = agent_id
|
||||
self.routing_rules: List[RoutingRule] = []
|
||||
self.message_queue: asyncio.Queue = asyncio.Queue(maxsize=10000)
|
||||
self.dead_letter_queue: asyncio.Queue = asyncio.Queue(maxsize=1000)
|
||||
self.routing_stats: Dict[str, Any] = {
|
||||
"messages_processed": 0,
|
||||
"messages_failed": 0,
|
||||
"messages_expired": 0,
|
||||
"routing_time_total": 0.0
|
||||
}
|
||||
self.active_routes: Dict[str, str] = {} # message_id -> route
|
||||
self.load_balancer_index = 0
|
||||
|
||||
def add_routing_rule(self, rule: RoutingRule):
|
||||
"""Add a routing rule"""
|
||||
self.routing_rules.append(rule)
|
||||
# Sort by priority (higher priority first)
|
||||
self.routing_rules.sort(key=lambda r: r.priority, reverse=True)
|
||||
logger.info(f"Added routing rule: {rule.name}")
|
||||
|
||||
def remove_routing_rule(self, rule_id: str):
|
||||
"""Remove a routing rule"""
|
||||
self.routing_rules = [r for r in self.routing_rules if r.rule_id != rule_id]
|
||||
logger.info(f"Removed routing rule: {rule_id}")
|
||||
|
||||
async def route_message(self, message: AgentMessage) -> Optional[str]:
|
||||
"""Route message based on routing rules"""
|
||||
start_time = datetime.utcnow()
|
||||
|
||||
try:
|
||||
# Check if message is expired
|
||||
if self._is_message_expired(message):
|
||||
await self.dead_letter_queue.put(message)
|
||||
self.routing_stats["messages_expired"] += 1
|
||||
return None
|
||||
|
||||
# Apply routing rules
|
||||
for rule in self.routing_rules:
|
||||
if rule.enabled and rule.matches(message):
|
||||
route = await self._apply_routing_rule(rule, message)
|
||||
if route:
|
||||
self.active_routes[message.id] = route
|
||||
self.routing_stats["messages_processed"] += 1
|
||||
return route
|
||||
|
||||
# Default routing
|
||||
default_route = await self._default_routing(message)
|
||||
if default_route:
|
||||
self.active_routes[message.id] = default_route
|
||||
self.routing_stats["messages_processed"] += 1
|
||||
return default_route
|
||||
|
||||
# No route found
|
||||
await self.dead_letter_queue.put(message)
|
||||
self.routing_stats["messages_failed"] += 1
|
||||
return None
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Error routing message {message.id}: {e}")
|
||||
await self.dead_letter_queue.put(message)
|
||||
self.routing_stats["messages_failed"] += 1
|
||||
return None
|
||||
finally:
|
||||
routing_time = (datetime.utcnow() - start_time).total_seconds()
|
||||
self.routing_stats["routing_time_total"] += routing_time
|
||||
|
||||
async def _apply_routing_rule(self, rule: RoutingRule, message: AgentMessage) -> Optional[str]:
|
||||
"""Apply a specific routing rule"""
|
||||
if rule.action == "forward":
|
||||
return rule.target
|
||||
elif rule.action == "transform":
|
||||
return await self._transform_message(message, rule)
|
||||
elif rule.action == "filter":
|
||||
return await self._filter_message(message, rule)
|
||||
elif rule.action == "route":
|
||||
return await self._custom_routing(message, rule)
|
||||
return None
|
||||
|
||||
async def _transform_message(self, message: AgentMessage, rule: RoutingRule) -> Optional[str]:
|
||||
"""Transform message based on rule"""
|
||||
# Apply transformation logic here
|
||||
transformed_message = AgentMessage(
|
||||
sender_id=message.sender_id,
|
||||
receiver_id=message.receiver_id,
|
||||
message_type=message.message_type,
|
||||
priority=message.priority,
|
||||
payload={**message.payload, **rule.condition.get("transform", {})}
|
||||
)
|
||||
# Route transformed message
|
||||
return await self._default_routing(transformed_message)
|
||||
|
||||
async def _filter_message(self, message: AgentMessage, rule: RoutingRule) -> Optional[str]:
|
||||
"""Filter message based on rule"""
|
||||
filter_condition = rule.condition.get("filter", {})
|
||||
for key, value in filter_condition.items():
|
||||
if message.payload.get(key) != value:
|
||||
return None # Filter out message
|
||||
return await self._default_routing(message)
|
||||
|
||||
async def _custom_routing(self, message: AgentMessage, rule: RoutingRule) -> Optional[str]:
|
||||
"""Custom routing logic"""
|
||||
# Implement custom routing logic here
|
||||
return rule.target
|
||||
|
||||
async def _default_routing(self, message: AgentMessage) -> Optional[str]:
|
||||
"""Default message routing"""
|
||||
if message.receiver_id:
|
||||
return message.receiver_id
|
||||
elif message.message_type == MessageType.BROADCAST:
|
||||
return "broadcast"
|
||||
else:
|
||||
return None
|
||||
|
||||
def _is_message_expired(self, message: AgentMessage) -> bool:
|
||||
"""Check if message is expired"""
|
||||
age = (datetime.utcnow() - message.timestamp).total_seconds()
|
||||
return age > message.ttl
|
||||
|
||||
async def get_routing_stats(self) -> Dict[str, Any]:
|
||||
"""Get routing statistics"""
|
||||
total_messages = self.routing_stats["messages_processed"]
|
||||
avg_routing_time = (
|
||||
self.routing_stats["routing_time_total"] / total_messages
|
||||
if total_messages > 0 else 0
|
||||
)
|
||||
|
||||
return {
|
||||
**self.routing_stats,
|
||||
"avg_routing_time": avg_routing_time,
|
||||
"active_routes": len(self.active_routes),
|
||||
"queue_size": self.message_queue.qsize(),
|
||||
"dead_letter_queue_size": self.dead_letter_queue.qsize()
|
||||
}
|
||||
|
||||
class LoadBalancer:
|
||||
"""Load balancer for message distribution"""
|
||||
|
||||
def __init__(self):
|
||||
self.agent_loads: Dict[str, float] = {}
|
||||
self.agent_weights: Dict[str, float] = {}
|
||||
self.last_updated = datetime.utcnow()
|
||||
|
||||
def update_agent_load(self, agent_id: str, load: float):
|
||||
"""Update agent load information"""
|
||||
self.agent_loads[agent_id] = load
|
||||
self.last_updated = datetime.utcnow()
|
||||
|
||||
def set_agent_weight(self, agent_id: str, weight: float):
|
||||
"""Set agent weight for load balancing"""
|
||||
self.agent_weights[agent_id] = weight
|
||||
|
||||
def select_agent(self, available_agents: List[str], strategy: RoutingStrategy = RoutingStrategy.LOAD_BALANCED) -> Optional[str]:
|
||||
"""Select agent based on load balancing strategy"""
|
||||
if not available_agents:
|
||||
return None
|
||||
|
||||
if strategy == RoutingStrategy.ROUND_ROBIN:
|
||||
return self._round_robin_selection(available_agents)
|
||||
elif strategy == RoutingStrategy.LOAD_BALANCED:
|
||||
return self._load_balanced_selection(available_agents)
|
||||
elif strategy == RoutingStrategy.PRIORITY_BASED:
|
||||
return self._priority_based_selection(available_agents)
|
||||
elif strategy == RoutingStrategy.RANDOM:
|
||||
return self._random_selection(available_agents)
|
||||
else:
|
||||
return available_agents[0]
|
||||
|
||||
def _round_robin_selection(self, agents: List[str]) -> str:
|
||||
"""Round-robin agent selection"""
|
||||
agent = agents[self.load_balancer_index % len(agents)]
|
||||
self.load_balancer_index += 1
|
||||
return agent
|
||||
|
||||
def _load_balanced_selection(self, agents: List[str]) -> str:
|
||||
"""Load-balanced agent selection"""
|
||||
# Select agent with lowest load
|
||||
min_load = float('inf')
|
||||
selected_agent = None
|
||||
|
||||
for agent in agents:
|
||||
load = self.agent_loads.get(agent, 0.0)
|
||||
weight = self.agent_weights.get(agent, 1.0)
|
||||
weighted_load = load / weight
|
||||
|
||||
if weighted_load < min_load:
|
||||
min_load = weighted_load
|
||||
selected_agent = agent
|
||||
|
||||
return selected_agent or agents[0]
|
||||
|
||||
def _priority_based_selection(self, agents: List[str]) -> str:
|
||||
"""Priority-based agent selection"""
|
||||
# Sort by weight (higher weight = higher priority)
|
||||
weighted_agents = sorted(
|
||||
agents,
|
||||
key=lambda a: self.agent_weights.get(a, 1.0),
|
||||
reverse=True
|
||||
)
|
||||
return weighted_agents[0]
|
||||
|
||||
def _random_selection(self, agents: List[str]) -> str:
|
||||
"""Random agent selection"""
|
||||
import random
|
||||
return random.choice(agents)
|
||||
|
||||
class MessageQueue:
|
||||
"""Advanced message queue with priority and persistence"""
|
||||
|
||||
def __init__(self, max_size: int = 10000):
|
||||
self.max_size = max_size
|
||||
self.queues: Dict[Priority, asyncio.Queue] = {
|
||||
Priority.CRITICAL: asyncio.Queue(maxsize=max_size // 4),
|
||||
Priority.HIGH: asyncio.Queue(maxsize=max_size // 4),
|
||||
Priority.NORMAL: asyncio.Queue(maxsize // 2),
|
||||
Priority.LOW: asyncio.Queue(maxsize // 4)
|
||||
}
|
||||
self.message_store: Dict[str, AgentMessage] = {}
|
||||
self.delivery_confirmations: Dict[str, bool] = {}
|
||||
|
||||
async def enqueue(self, message: AgentMessage, delivery_mode: DeliveryMode = DeliveryMode.AT_LEAST_ONCE) -> bool:
|
||||
"""Enqueue message with priority"""
|
||||
try:
|
||||
# Store message for persistence
|
||||
if delivery_mode in [DeliveryMode.AT_LEAST_ONCE, DeliveryMode.EXACTLY_ONCE, DeliveryMode.PERSISTENT]:
|
||||
self.message_store[message.id] = message
|
||||
|
||||
# Add to appropriate priority queue
|
||||
queue = self.queues[message.priority]
|
||||
await queue.put(message)
|
||||
|
||||
logger.debug(f"Enqueued message {message.id} with priority {message.priority}")
|
||||
return True
|
||||
|
||||
except asyncio.QueueFull:
|
||||
logger.error(f"Queue full, cannot enqueue message {message.id}")
|
||||
return False
|
||||
|
||||
async def dequeue(self) -> Optional[AgentMessage]:
|
||||
"""Dequeue message with priority order"""
|
||||
# Check queues in priority order
|
||||
for priority in [Priority.CRITICAL, Priority.HIGH, Priority.NORMAL, Priority.LOW]:
|
||||
queue = self.queues[priority]
|
||||
try:
|
||||
message = queue.get_nowait()
|
||||
logger.debug(f"Dequeued message {message.id} with priority {priority}")
|
||||
return message
|
||||
except asyncio.QueueEmpty:
|
||||
continue
|
||||
|
||||
return None
|
||||
|
||||
async def confirm_delivery(self, message_id: str):
|
||||
"""Confirm message delivery"""
|
||||
self.delivery_confirmations[message_id] = True
|
||||
|
||||
# Clean up if exactly once delivery
|
||||
if message_id in self.message_store:
|
||||
del self.message_store[message_id]
|
||||
|
||||
def get_queue_stats(self) -> Dict[str, Any]:
|
||||
"""Get queue statistics"""
|
||||
return {
|
||||
"queue_sizes": {
|
||||
priority.value: queue.qsize()
|
||||
for priority, queue in self.queues.items()
|
||||
},
|
||||
"stored_messages": len(self.message_store),
|
||||
"delivery_confirmations": len(self.delivery_confirmations),
|
||||
"max_size": self.max_size
|
||||
}
|
||||
|
||||
class MessageProcessor:
|
||||
"""Message processor with async handling"""
|
||||
|
||||
def __init__(self, agent_id: str):
|
||||
self.agent_id = agent_id
|
||||
self.router = MessageRouter(agent_id)
|
||||
self.load_balancer = LoadBalancer()
|
||||
self.message_queue = MessageQueue()
|
||||
self.processors: Dict[str, Callable] = {}
|
||||
self.processing_stats: Dict[str, Any] = {
|
||||
"messages_processed": 0,
|
||||
"processing_time_total": 0.0,
|
||||
"errors": 0
|
||||
}
|
||||
|
||||
def register_processor(self, message_type: MessageType, processor: Callable):
|
||||
"""Register message processor"""
|
||||
self.processors[message_type.value] = processor
|
||||
logger.info(f"Registered processor for {message_type.value}")
|
||||
|
||||
async def process_message(self, message: AgentMessage) -> bool:
|
||||
"""Process a message"""
|
||||
start_time = datetime.utcnow()
|
||||
|
||||
try:
|
||||
# Route message
|
||||
route = await self.router.route_message(message)
|
||||
if not route:
|
||||
logger.warning(f"No route found for message {message.id}")
|
||||
return False
|
||||
|
||||
# Process message
|
||||
processor = self.processors.get(message.message_type.value)
|
||||
if processor:
|
||||
await processor(message)
|
||||
else:
|
||||
logger.warning(f"No processor found for {message.message_type.value}")
|
||||
return False
|
||||
|
||||
# Update stats
|
||||
self.processing_stats["messages_processed"] += 1
|
||||
processing_time = (datetime.utcnow() - start_time).total_seconds()
|
||||
self.processing_stats["processing_time_total"] += processing_time
|
||||
|
||||
return True
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Error processing message {message.id}: {e}")
|
||||
self.processing_stats["errors"] += 1
|
||||
return False
|
||||
|
||||
async def start_processing(self):
|
||||
"""Start message processing loop"""
|
||||
while True:
|
||||
try:
|
||||
# Dequeue message
|
||||
message = await self.message_queue.dequeue()
|
||||
if message:
|
||||
await self.process_message(message)
|
||||
else:
|
||||
await asyncio.sleep(0.01) # Small delay if no messages
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Error in processing loop: {e}")
|
||||
await asyncio.sleep(1)
|
||||
|
||||
def get_processing_stats(self) -> Dict[str, Any]:
|
||||
"""Get processing statistics"""
|
||||
total_processed = self.processing_stats["messages_processed"]
|
||||
avg_processing_time = (
|
||||
self.processing_stats["processing_time_total"] / total_processed
|
||||
if total_processed > 0 else 0
|
||||
)
|
||||
|
||||
return {
|
||||
**self.processing_stats,
|
||||
"avg_processing_time": avg_processing_time,
|
||||
"queue_stats": self.message_queue.get_queue_stats(),
|
||||
"routing_stats": self.router.get_routing_stats()
|
||||
}
|
||||
|
||||
# Factory functions for creating message types
|
||||
def create_task_message(sender_id: str, receiver_id: str, task_type: str, task_data: Dict[str, Any]) -> AgentMessage:
|
||||
"""Create a task message"""
|
||||
task_msg = TaskMessage(
|
||||
task_id=str(uuid.uuid4()),
|
||||
task_type=task_type,
|
||||
task_data=task_data
|
||||
)
|
||||
|
||||
return AgentMessage(
|
||||
sender_id=sender_id,
|
||||
receiver_id=receiver_id,
|
||||
message_type=MessageType.TASK_ASSIGNMENT,
|
||||
payload=task_msg.dict()
|
||||
)
|
||||
|
||||
def create_coordination_message(sender_id: str, coordination_type: str, participants: List[str], data: Dict[str, Any]) -> AgentMessage:
|
||||
"""Create a coordination message"""
|
||||
coord_msg = CoordinationMessage(
|
||||
coordination_id=str(uuid.uuid4()),
|
||||
coordination_type=coordination_type,
|
||||
participants=participants,
|
||||
coordination_data=data
|
||||
)
|
||||
|
||||
return AgentMessage(
|
||||
sender_id=sender_id,
|
||||
message_type=MessageType.COORDINATION,
|
||||
payload=coord_msg.dict()
|
||||
)
|
||||
|
||||
def create_status_message(agent_id: str, status_type: str, status_data: Dict[str, Any]) -> AgentMessage:
|
||||
"""Create a status message"""
|
||||
status_msg = StatusMessage(
|
||||
agent_id=agent_id,
|
||||
status_type=status_type,
|
||||
status_data=status_data
|
||||
)
|
||||
|
||||
return AgentMessage(
|
||||
sender_id=agent_id,
|
||||
message_type=MessageType.STATUS_UPDATE,
|
||||
payload=status_msg.dict()
|
||||
)
|
||||
|
||||
def create_discovery_message(agent_id: str, agent_type: str, capabilities: List[str], services: List[str]) -> AgentMessage:
|
||||
"""Create a discovery message"""
|
||||
discovery_msg = DiscoveryMessage(
|
||||
agent_id=agent_id,
|
||||
agent_type=agent_type,
|
||||
capabilities=capabilities,
|
||||
services=services
|
||||
)
|
||||
|
||||
return AgentMessage(
|
||||
sender_id=agent_id,
|
||||
message_type=MessageType.DISCOVERY,
|
||||
payload=discovery_msg.dict()
|
||||
)
|
||||
|
||||
def create_consensus_message(sender_id: str, proposal: Dict[str, Any], voting_options: List[Dict[str, Any]], deadline: datetime) -> AgentMessage:
|
||||
"""Create a consensus message"""
|
||||
consensus_msg = ConsensusMessage(
|
||||
consensus_id=str(uuid.uuid4()),
|
||||
proposal=proposal,
|
||||
voting_options=voting_options,
|
||||
voting_deadline=deadline
|
||||
)
|
||||
|
||||
return AgentMessage(
|
||||
sender_id=sender_id,
|
||||
message_type=MessageType.CONSENSUS,
|
||||
payload=consensus_msg.dict()
|
||||
)
|
||||
|
||||
# Example usage
|
||||
async def example_usage():
|
||||
"""Example of how to use the message routing system"""
|
||||
|
||||
# Create message processor
|
||||
processor = MessageProcessor("agent-001")
|
||||
|
||||
# Register processors
|
||||
async def process_task(message: AgentMessage):
|
||||
task_data = TaskMessage(**message.payload)
|
||||
logger.info(f"Processing task: {task_data.task_id}")
|
||||
|
||||
processor.register_processor(MessageType.TASK_ASSIGNMENT, process_task)
|
||||
|
||||
# Create and route message
|
||||
task_message = create_task_message(
|
||||
sender_id="agent-001",
|
||||
receiver_id="agent-002",
|
||||
task_type="data_processing",
|
||||
task_data={"input": "test_data"}
|
||||
)
|
||||
|
||||
await processor.message_queue.enqueue(task_message)
|
||||
|
||||
# Start processing (in real implementation, this would run in background)
|
||||
# await processor.start_processing()
|
||||
|
||||
if __name__ == "__main__":
|
||||
asyncio.run(example_usage())
|
||||
Reference in New Issue
Block a user