193d762132
This fixes addons being able to accidentally stomp all over each others' state just because they happened to use the same name for a SessionProperty.
252 lines
10 KiB
Python
252 lines
10 KiB
Python
from __future__ import annotations
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import collections
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import dataclasses
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import datetime
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import functools
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import logging
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import multiprocessing
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import weakref
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from typing import *
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from weakref import ref
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from outleap import LEAPClient
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from hippolyzer.lib.base.datatypes import UUID
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from hippolyzer.lib.base.helpers import proxify
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from hippolyzer.lib.base.message.message import Message
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from hippolyzer.lib.base.message.message_handler import MessageHandler
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from hippolyzer.lib.client.state import BaseClientSession
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from hippolyzer.lib.proxy.addons import AddonManager
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from hippolyzer.lib.proxy.circuit import ProxiedCircuit
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from hippolyzer.lib.proxy.http_asset_repo import HTTPAssetRepo
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from hippolyzer.lib.proxy.http_proxy import HTTPFlowContext
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from hippolyzer.lib.proxy.caps import is_asset_server_cap_name, CapData, CapType
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from hippolyzer.lib.proxy.inventory_manager import ProxyInventoryManager
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from hippolyzer.lib.proxy.namecache import ProxyNameCache
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from hippolyzer.lib.proxy.object_manager import ProxyWorldObjectManager
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from hippolyzer.lib.proxy.region import ProxiedRegion
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from hippolyzer.lib.proxy.settings import ProxySettings
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if TYPE_CHECKING:
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from hippolyzer.lib.proxy.message_logger import BaseMessageLogger
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from hippolyzer.lib.proxy.http_flow import HippoHTTPFlow
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class Session(BaseClientSession):
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def __init__(self, session_id, secure_session_id, agent_id, circuit_code,
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session_manager: Optional[SessionManager], login_data=None):
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self.login_data = login_data or {}
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self.pending = True
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self.id: UUID = session_id
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self.secure_session_id: UUID = secure_session_id
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self.agent_id: UUID = agent_id
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self.circuit_code = circuit_code
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self.global_caps = {}
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# Bag of arbitrary data addons can use to persist data across addon reloads
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# Each addon name gets its own separate dict within this dict
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self.addon_ctx: Dict[str, Dict[str, Any]] = collections.defaultdict(dict)
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self.session_manager: SessionManager = session_manager or None
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self.selected: SelectionModel = SelectionModel()
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self.regions: List[ProxiedRegion] = []
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self.started_at = datetime.datetime.now()
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self.message_handler: MessageHandler[Message, str] = MessageHandler()
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self.http_message_handler: MessageHandler[HippoHTTPFlow, str] = MessageHandler()
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self.objects = ProxyWorldObjectManager(self, session_manager.settings, session_manager.name_cache)
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self.inventory = ProxyInventoryManager(proxify(self))
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self.leap_client: Optional[LEAPClient] = None
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# Base path of a newview type cache directory for this session
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self.cache_dir: Optional[str] = None
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self._main_region = None
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@property
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def global_addon_ctx(self):
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if not self.session_manager:
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return {}
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return self.session_manager.addon_ctx
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@classmethod
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def from_login_data(cls, login_data, session_manager):
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sess = Session(
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session_id=UUID(login_data["session_id"]),
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secure_session_id=UUID(login_data["secure_session_id"]),
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agent_id=UUID(login_data["agent_id"]),
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circuit_code=int(login_data["circuit_code"]),
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session_manager=session_manager,
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login_data=login_data,
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)
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appearance_service = login_data.get("agent_appearance_service")
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map_image_service = login_data.get("map-server-url")
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if appearance_service:
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sess.global_caps["AppearanceService"] = appearance_service
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if map_image_service:
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sess.global_caps["MapImageService"] = map_image_service
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# Login data also has details about the initial sim
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sess.register_region(
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circuit_addr=(login_data["sim_ip"], login_data["sim_port"]),
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handle=(login_data["region_x"] << 32) | login_data["region_y"],
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seed_url=login_data["seed_capability"],
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)
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return sess
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@property
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def main_region(self) -> Optional[ProxiedRegion]:
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if self._main_region and self._main_region() in self.regions:
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return self._main_region()
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return None
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@main_region.setter
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def main_region(self, val: ProxiedRegion):
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self._main_region = weakref.ref(val)
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def register_region(self, circuit_addr: Optional[Tuple[str, int]] = None,
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seed_url: Optional[str] = None,
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handle: Optional[int] = None) -> ProxiedRegion:
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if not any((circuit_addr, seed_url)):
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raise ValueError("One of circuit_addr and seed_url must be defined!")
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for region in self.regions:
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if region.circuit_addr == circuit_addr:
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if seed_url and region.cap_urls.get("Seed") != seed_url:
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region.update_caps({"Seed": seed_url})
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if handle:
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region.handle = handle
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return region
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if seed_url and region.cap_urls.get("Seed") == seed_url:
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return region
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if not circuit_addr:
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raise ValueError("Can't create region without circuit addr!")
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logging.info("Registering region for %r" % (circuit_addr,))
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region = ProxiedRegion(circuit_addr, seed_url, self, handle=handle)
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self.regions.append(region)
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AddonManager.handle_region_registered(self, region)
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return region
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def region_by_circuit_addr(self, circuit_addr) -> Optional[ProxiedRegion]:
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for region in self.regions:
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if region.circuit_addr == circuit_addr and region.circuit:
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return region
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return None
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def region_by_handle(self, handle: int) -> Optional[ProxiedRegion]:
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for region in self.regions:
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if region.handle == handle:
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return region
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return None
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def open_circuit(self, near_addr, circuit_addr, transport):
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for region in self.regions:
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if region.circuit_addr == circuit_addr:
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if not region.circuit or not region.circuit.is_alive:
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logging_hook = None
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if self.session_manager.message_logger:
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logging_hook = functools.partial(
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self.session_manager.message_logger.log_lludp_message,
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self,
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region,
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)
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region.circuit = ProxiedCircuit(
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near_addr, circuit_addr, transport, logging_hook=logging_hook)
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AddonManager.handle_circuit_created(self, region)
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return True
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if region.circuit and region.circuit.is_alive:
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# Whatever, already open
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logging.debug("Tried to re-open circuit for %r" % (circuit_addr,))
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return True
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return False
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def resolve_cap(self, url: str) -> Optional[CapData]:
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for cap_name, cap_url in self.global_caps.items():
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if url.startswith(cap_url):
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return CapData(
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cap_name, None, None, cap_url
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)
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for region in self.regions:
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resolved_cap = region.resolve_cap(url)
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if resolved_cap:
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cap_name, base_url, cap_type = resolved_cap
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# GetMesh and friends can't be tied to a specific session or region
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# (at least on agni) unless we go through a proxy wrapper, since every
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# region just points at the global asset CDN.
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if is_asset_server_cap_name(cap_name) and cap_type != CapType.WRAPPER:
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return CapData(cap_name, None, None, base_url, cap_type)
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return CapData(cap_name, ref(region), ref(self), base_url, cap_type)
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return None
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def transaction_to_assetid(self, transaction_id: UUID):
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return UUID.combine(transaction_id, self.secure_session_id)
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def __repr__(self):
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return "<%s %s>" % (self.__class__.__name__, self.id)
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class SessionManager:
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def __init__(self, settings: ProxySettings):
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self.settings: ProxySettings = settings
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self.sessions: List[Session] = []
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self.shutdown_signal = multiprocessing.Event()
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self.flow_context = HTTPFlowContext()
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self.asset_repo = HTTPAssetRepo()
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self.message_logger: Optional[BaseMessageLogger] = None
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self.addon_ctx: Dict[str, Dict[str, Any]] = collections.defaultdict(dict)
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self.name_cache = ProxyNameCache()
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self.pending_leap_clients: List[LEAPClient] = []
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def create_session(self, login_data) -> Session:
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session = Session.from_login_data(login_data, self)
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self.name_cache.create_subscriptions(
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session.message_handler,
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session.http_message_handler,
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)
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self.sessions.append(session)
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logging.info("Created %r" % session)
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return session
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def claim_session(self, session_id) -> Optional[Session]:
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for session in self.sessions:
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if session.pending and session.id == session_id:
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logging.info("Claimed %r" % session)
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session.pending = False
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# TODO: less crap way of tying a LEAP client to a session
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while self.pending_leap_clients:
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leap_client = self.pending_leap_clients.pop(-1)
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# Client may have gone bad since it connected
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if not leap_client.connected:
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continue
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logging.info("Assigned LEAP client to session")
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session.leap_client = leap_client
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break
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return session
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return None
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def close_session(self, session: Session):
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logging.info("Closed %r" % session)
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session.objects.clear()
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if session.leap_client:
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session.leap_client.disconnect()
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self.sessions.remove(session)
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def resolve_cap(self, url: str) -> Optional["CapData"]:
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for session in self.sessions:
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cap_data = session.resolve_cap(url)
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if cap_data:
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return cap_data
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return CapData()
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async def leap_client_connected(self, leap_client: LEAPClient):
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self.pending_leap_clients.append(leap_client)
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AddonManager.handle_leap_client_added(self, leap_client)
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@dataclasses.dataclass
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class SelectionModel:
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object_local: Optional[int] = None
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object_locals: Sequence[int] = dataclasses.field(default_factory=list)
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object_full: Optional[UUID] = None
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parcel_local: Optional[int] = None
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parcel_full: Optional[UUID] = None
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script_item: Optional[UUID] = None
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task_item: Optional[UUID] = None
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