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import time
from pydantic import BaseModel
from typing import Optional, List
from aworld.core.event.base import Message
from enum import Enum
from abc import ABC, abstractmethod, ABCMeta
from aworld.core.agent.base import is_agent_by_name
from aworld.core.tool.tool_desc import is_tool_by_name
from aworld.core.singleton import InheritanceSingleton, SingletonMeta
from aworld.core.event.base import Constants
from aworld.logs.util import logger
class RunNodeBusiType(Enum):
AGENT = 'AGENT'
TOOL = 'TOOL'
TASK = 'TASK'
@staticmethod
def from_message_category(category: str) -> 'RunNodeBusiType':
if category == Constants.AGENT:
return RunNodeBusiType.AGENT
if category == Constants.TOOL:
return RunNodeBusiType.TOOL
if category == Constants.TASK:
return RunNodeBusiType.TASK
return None
class RunNodeStatus(Enum):
INIT = 'INIT'
RUNNING = 'RUNNING'
BREAKED = 'BREAKED'
SUCCESS = 'SUCCESS'
FAILED = 'FAILED'
TIMEOUNT = 'TIMEOUNT'
class HandleResult(BaseModel):
name: str = None
status: RunNodeStatus = None
result_msg: Optional[str] = None
result: Optional[Message] = None
class RunNode(BaseModel):
# {busi_id}_{busi_type}
node_id: Optional[str] = None
busi_type: str = None
busi_id: str = None
session_id: str = None
msg_id: Optional[str] = None # input message id
# busi_id of node that send the input message
msg_from: Optional[str] = None
parent_node_id: Optional[str] = None
status: RunNodeStatus = None
result_msg: Optional[str] = None
results: Optional[List[HandleResult]] = None
create_time: Optional[float] = None
execute_time: Optional[float] = None
end_time: Optional[float] = None
class StateStorage(ABC):
@abstractmethod
def get(self, node_id: str) -> RunNode:
pass
@abstractmethod
def insert(self, node: RunNode):
pass
@abstractmethod
def update(self, node: RunNode):
pass
@abstractmethod
def query(self, session_id: str) -> List[RunNode]:
pass
class StateStorageMeta(SingletonMeta, ABCMeta):
pass
class InMemoryStateStorage(StateStorage, InheritanceSingleton, metaclass=StateStorageMeta):
'''
In memory state storage
'''
def __init__(self, max_session=1000):
self._max_session = max_session
self._nodes = {} # {node_id: RunNode}
self._ordered_session_ids = []
self._session_nodes = {} # {session_id: [RunNode, RunNode]}
def get(self, node_id: str) -> RunNode:
return self._nodes.get(node_id)
def insert(self, node: RunNode):
if node.session_id not in self._ordered_session_ids:
self._ordered_session_ids.append(node.session_id)
self._session_nodes.update({node.session_id: []})
if node.node_id not in self._nodes:
self._nodes.update({node.node_id: node})
self._session_nodes[node.session_id].append(node)
if len(self._ordered_session_ids) > self._max_session:
oldest_session_id = self._ordered_session_ids.pop(0)
session_nodes = self._session_nodes.pop(oldest_session_id)
for node in session_nodes:
self._nodes.pop(node.node_id)
# logger.info(f"storage nodes: {self._nodes}")
def update(self, node: RunNode):
self._nodes[node.node_id] = node
def query(self, session_id: str, msg_id: str = None) -> List[RunNode]:
session_nodes = self._session_nodes.get(session_id, [])
if msg_id:
return [node for node in session_nodes if node.msg_id == msg_id]
return session_nodes
class RuntimeStateManager(InheritanceSingleton):
'''
Runtime state manager
'''
def __init__(self, storage: StateStorage = InMemoryStateStorage.instance()):
self.storage = storage
def create_node(self,
busi_type: RunNodeBusiType,
busi_id: str,
session_id: str,
node_id: str = None,
parent_node_id: str = None,
msg_id: str = None,
msg_from: str = None) -> RunNode:
'''
create node and insert to storage
'''
node_id = node_id or msg_id
node = self._find_node(node_id)
if node:
# raise Exception(f"node already exist, node_id: {node_id}")
return
if parent_node_id:
parent_node = self._find_node(parent_node_id)
if not parent_node:
logger.warning(
f"parent node not exist, parent_node_id: {parent_node_id}")
node = RunNode(node_id=node_id,
busi_type=busi_type,
busi_id=busi_id,
session_id=session_id,
msg_id=msg_id,
msg_from=msg_from,
parent_node_id=parent_node_id,
status=RunNodeStatus.INIT,
create_time=time.time())
self.storage.insert(node)
return node
def run_node(self, node_id: str):
'''
set node status to RUNNING and update to storage
'''
node = self._node_exist(node_id)
node.status = RunNodeStatus.RUNNING
node.execute_time = time.time()
self.storage.update(node)
def save_result(self,
node_id: str,
result: HandleResult):
'''
save node execute result and update to storage
'''
node = self._node_exist(node_id)
if not node.results:
node.results = []
node.results.append(result)
self.storage.update(node)
def break_node(self, node_id):
'''
set node status to BREAKED and update to storage
'''
node = self._node_exist(node_id)
node.status = RunNodeStatus.BREAKED
self.storage.update(node)
def run_succeed(self,
node_id,
result_msg=None,
results: List[HandleResult] = None):
'''
set node status to SUCCESS and update to storage
'''
node = self._node_exist(node_id)
node.status = RunNodeStatus.SUCCESS
node.result_msg = result_msg
node.end_time = time.time()
if results:
if not node.results:
node.results = []
node.results.extend(results)
self.storage.update(node)
def run_failed(self,
node_id,
result_msg=None,
results: List[HandleResult] = None):
'''
set node status to FAILED and update to storage
'''
node = self._node_exist(node_id)
node.status = RunNodeStatus.FAILED
node.result_msg = result_msg
node.end_time = time.time()
if results:
if not node.results:
node.results = []
node.results.extend(results)
self.storage.update(node)
def run_timeout(self,
node_id,
result_msg=None):
'''
set node status to TIMEOUNT and update to storage
'''
node = self._node_exist(node_id)
node.status = RunNodeStatus.TIMEOUNT
node.result_msg = result_msg
self.storage.update(node)
def get_node(self, node_id: str) -> RunNode:
'''
get node from storage
'''
return self._find_node(node_id)
def get_nodes(self, session_id: str) -> List[RunNode]:
'''
get nodes from storage
'''
return self.storage.query(session_id)
def _node_exist(self, node_id: str):
node = self._find_node(node_id)
if not node:
raise Exception(f"node not found, node_id: {node_id}")
return node
def _find_node(self, node_id: str):
return self.storage.get(node_id)
def _judge_msg_from_busi_type(self, msg_from: str) -> RunNodeBusiType:
'''
judge msg_from busi_type
'''
if is_agent_by_name(msg_from):
return RunNodeBusiType.AGENT
if is_tool_by_name(msg_from):
return RunNodeBusiType.TOOL
return RunNodeBusiType.TASK
class EventRuntimeStateManager(RuntimeStateManager):
def __init__(self, storage: StateStorage = InMemoryStateStorage.instance()):
super().__init__(storage)
def start_message_node(self, message: Message):
'''
create and start node while message handle started.
'''
run_node_busi_type = RunNodeBusiType.from_message_category(
message.category)
logger.info(
f"start message node: {message.receiver}, busi_type={run_node_busi_type}, node_id={message.id}")
if run_node_busi_type:
self.create_node(
node_id=message.id,
busi_type=run_node_busi_type,
busi_id=message.receiver,
session_id=message.session_id,
msg_id=message.id,
msg_from=message.sender)
self.run_node(message.id)
def save_message_handle_result(self, name: str, message: Message, result: Message = None):
'''
save message handle result
'''
run_node_busi_type = RunNodeBusiType.from_message_category(
message.category)
if run_node_busi_type:
if result and result.is_error():
handle_result = HandleResult(
name=name,
status=RunNodeStatus.FAILED,
result=result)
else:
handle_result = HandleResult(
name=name,
status=RunNodeStatus.SUCCESS,
result=result)
self.save_result(node_id=message.id, result=handle_result)
def end_message_node(self, message: Message):
'''
end node while message handle finished.
'''
run_node_busi_type = RunNodeBusiType.from_message_category(
message.category)
if run_node_busi_type:
node = self._node_exist(node_id=message.id)
status = RunNodeStatus.SUCCESS
if node.results:
for result in node.results:
if result.status == RunNodeStatus.FAILED:
status = RunNodeStatus.FAILED
break
if status == RunNodeStatus.FAILED:
self.run_failed(node_id=message.id)
else:
self.run_succeed(node_id=message.id)
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