61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""Websocket constants."""
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from __future__ import annotations
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from collections.abc import Awaitable, Callable
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from typing import TYPE_CHECKING, Any, Final
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from homeassistant.core import HomeAssistant
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if TYPE_CHECKING:
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from .connection import ActiveConnection
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type WebSocketCommandHandler = Callable[
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[HomeAssistant, ActiveConnection, dict[str, Any]], None
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]
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type AsyncWebSocketCommandHandler = Callable[
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[HomeAssistant, ActiveConnection, dict[str, Any]], Awaitable[None]
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]
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DOMAIN: Final = "websocket_api"
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URL: Final = "/api/websocket"
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PENDING_MSG_PEAK: Final = 1024
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PENDING_MSG_PEAK_TIME: Final = 5
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# Maximum number of messages that can be pending at any given time.
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# This is effectively the upper limit of the number of entities
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# that can fire state changes within ~1 second.
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# Ideally we would use homeassistant.const.MAX_EXPECTED_ENTITY_IDS
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# but since chrome will lock up with too many messages we need to
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# limit it to a lower number.
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MAX_PENDING_MSG: Final = 4096
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# Maximum number of messages that are pending before we force
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# resolve the ready future.
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PENDING_MSG_MAX_FORCE_READY: Final = 256
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ERR_ID_REUSE: Final = "id_reuse"
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ERR_INVALID_FORMAT: Final = "invalid_format"
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ERR_NOT_ALLOWED: Final = "not_allowed"
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ERR_NOT_FOUND: Final = "not_found"
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ERR_NOT_SUPPORTED: Final = "not_supported"
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ERR_HOME_ASSISTANT_ERROR: Final = "home_assistant_error"
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ERR_SERVICE_VALIDATION_ERROR: Final = "service_validation_error"
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ERR_UNKNOWN_COMMAND: Final = "unknown_command"
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ERR_UNKNOWN_ERROR: Final = "unknown_error"
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ERR_UNAUTHORIZED: Final = "unauthorized"
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ERR_TIMEOUT: Final = "timeout"
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ERR_TEMPLATE_ERROR: Final = "template_error"
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TYPE_RESULT: Final = "result"
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# Event types
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SIGNAL_WEBSOCKET_CONNECTED: Final = "websocket_connected"
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SIGNAL_WEBSOCKET_DISCONNECTED: Final = "websocket_disconnected"
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# Data used to store the current connection list
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DATA_CONNECTIONS: Final = f"{DOMAIN}.connections"
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FEATURE_COALESCE_MESSAGES = "coalesce_messages"
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