Files
hms-mediaengine/packages/protocol/hms_protocol/envelope.py
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HMS MediaEngine Agent 0922cc1d68 Phase 0: Repository-Initialisierung nach Bauplan v1.2
- Struktur gemäß §8 (Eigentumsgrenzen), PLAN.md als normative Basis
- Pflichtdokumente: STATUS.md, ERRORS.md, TEST_REPORT.md, CHANGELOG.md, ADRs
- ADR-0001 Python 3.13-Pin, ADR-0002 GStreamer 1.28.6-Pin (Windows),
  ADR-0003 IPC TCP+MessagePack v1
- Kernpakete: hms_protocol, hms_domain, hms_parameter, hms_artnet,
  hms_adaptive, hms_capabilities, hms_plugin_sdk
- Renderer-Spike: D3D11-Primärpfad + Dev-GL-Pfad (§36 Nr. 4-5)
- Control Core: FastAPI REST + WebSocket (§36 Nr. 9)
- Beispielplugins: Passthrough + Gaussian Blur (3 Adaptive-Quality-
  Varianten, HLSL/GLSL/GLES)
- Tools: Art-Net-Emulator, Fixture-Generator (Master32/Layer64-CSV),
  Capability-Probe
- JSON-Schemas: IPC, Plugin, Projekt, Cluster
- 121 Unit-/Integrationstests grün, Ruff grün

Gate 0 bleibt offen: Hardwaremessungen nur auf echter Windows-Referenz-
hardware gültig (§29.7, §33).
2026-09-11 00:36:59 +02:00

38 lines
986 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"
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}"
)