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oliver
bf82a01a03
SSE updates the UI per NE; edges not seen in a successful scan turn red and can be cleared. Co-authored-by: Cursor <cursoragent@cursor.com>
106 lines
2.9 KiB
Python
106 lines
2.9 KiB
Python
"""Topology HTTP routes."""
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from __future__ import annotations
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import json
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from typing import Any, Iterator
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from fastapi import APIRouter, Depends
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from fastapi.responses import StreamingResponse
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from sqlalchemy.orm import Session
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from .db import get_db
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from .topology_schemas import (
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TopologyDiscoverRequest,
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TopologyGraphPut,
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TopologyMapCreate,
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TopologyMapUpdate,
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)
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from .topology_service import (
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create_map,
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delete_map,
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discover_neighbors,
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get_graph,
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iter_discover_neighbors,
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list_maps,
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put_graph,
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update_map,
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)
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router = APIRouter(prefix="/v1/topology", tags=["topology"])
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def _sse_pack(event: dict[str, Any]) -> str:
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etype = str(event.get("type") or "message")
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return f"event: {etype}\ndata: {json.dumps(event, ensure_ascii=False, default=str)}\n\n"
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@router.get("/maps")
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def api_list_maps(db: Session = Depends(get_db)) -> dict[str, Any]:
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return list_maps(db)
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@router.post("/maps")
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def api_create_map(body: TopologyMapCreate, db: Session = Depends(get_db)) -> dict[str, Any]:
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return create_map(db, body).model_dump()
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@router.get("/maps/{map_id}")
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def api_get_map(map_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
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return get_graph(db, map_id).model_dump()
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@router.patch("/maps/{map_id}")
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def api_patch_map(
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map_id: str, body: TopologyMapUpdate, db: Session = Depends(get_db)
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) -> dict[str, Any]:
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return update_map(db, map_id, body).model_dump()
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@router.delete("/maps/{map_id}")
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def api_delete_map(map_id: str, db: Session = Depends(get_db)) -> dict[str, Any]:
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return delete_map(db, map_id)
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@router.put("/maps/{map_id}/graph")
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def api_put_graph(
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map_id: str, body: TopologyGraphPut, db: Session = Depends(get_db)
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) -> dict[str, Any]:
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return put_graph(db, map_id, body).model_dump()
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@router.post("/maps/{map_id}/discover")
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def api_discover(
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map_id: str,
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body: TopologyDiscoverRequest | None = None,
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db: Session = Depends(get_db),
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) -> dict[str, Any]:
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req = body or TopologyDiscoverRequest()
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return discover_neighbors(db, map_id, req).model_dump()
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@router.post("/maps/{map_id}/discover/stream")
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def api_discover_stream(
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map_id: str,
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body: TopologyDiscoverRequest | None = None,
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db: Session = Depends(get_db),
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) -> StreamingResponse:
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"""SSE stream: start → ne_start/ne_result (per NE) → done."""
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req = body or TopologyDiscoverRequest()
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def generate() -> Iterator[str]:
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try:
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for event in iter_discover_neighbors(db, map_id, req):
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yield _sse_pack(event)
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except Exception as exc: # noqa: BLE001 — surface to client then end stream
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yield _sse_pack({"type": "error", "detail": str(exc)[:800]})
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return StreamingResponse(
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generate(),
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media_type="text/event-stream",
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headers={
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"Cache-Control": "no-cache",
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"Connection": "keep-alive",
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"X-Accel-Buffering": "no",
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},
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)
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