Files
hms-mediaengine/packages/protocol/hms_protocol/envelope.py
T
HMS MediaEngine Agent 9536e08748 Phase 1: IPC-Verbindungsschicht + Build-first-Strategie (ADR-0008)
- ADR-0008: Build-first, gesammelte Windows-Validierung (Auftraggeber-Freigabe)
- ADR-0004 vorläufig: Rust auf GStreamer-D3D11-Elementpfad
- ADR-0005 vorläufig: Nuitka Onefolder
- hms_protocol: IpcServer/IpcClient mit Handshake (hello/welcome),
  Capabilities-Austausch, Heartbeat 500 ms bidirektional, Snapshot/Delta,
  Loopback-only-Enforcement, Re-Sync nach Reconnect, Version-Mismatch-Fehler
- 9 Integrationstests: echter TCP-Loopback, kein Mock
2026-09-11 00:50:03 +02:00

39 lines
1014 B
Python

"""IPC-Nachrichten-Umschlag (PLAN.md §6.2)."""
from __future__ import annotations
import time
import uuid
from enum import StrEnum
from pydantic import BaseModel, Field
PROTOCOL_VERSION = 1
class MessageType(StrEnum):
COMMAND = "command"
EVENT = "event"
SNAPSHOT = "snapshot"
ACK = "ack"
ERROR = "error"
TELEMETRY = "telemetry"
HEARTBEAT = "heartbeat"
class Envelope(BaseModel):
"""Jede IPC-Nachricht besitzt mindestens diese Felder (§6.2)."""
protocol_version: int = PROTOCOL_VERSION
message_id: str = Field(default_factory=lambda: str(uuid.uuid4()))
type: MessageType
revision: int = 0
monotonic_timestamp_ns: int = Field(default_factory=lambda: time.monotonic_ns())
payload: dict = Field(default_factory=dict)
def model_post_init(self, _ctx: object) -> None:
if self.protocol_version != PROTOCOL_VERSION:
raise ValueError(
f"protocol_version {self.protocol_version} != {PROTOCOL_VERSION}"
)