53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
import asyncio
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from fastapi import APIRouter
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from fastapi.responses import HTMLResponse
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from app.collect import procs as proc_col
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from app.render import render
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router = APIRouter(prefix="/api", tags=["processes"])
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SORT_KEYS = ("pid", "name", "cpu", "rss", "mem_pct", "io_read", "io_write", "gpu")
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@router.get("/processes")
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async def processes(q: str = "", sort: str = "cpu", order: str = "desc"):
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"""Render the Processes tab fragment: filterable, sortable process table.
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The full sample is taken in a worker thread, then optionally filtered
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by substring match on name or exact match on pid. Sorting is done with
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None values last (the tuple key trick); at most 300 rows are rendered.
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Invalid sort/order values fall back to cpu/desc.
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Args:
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q: search filter, empty for all.
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sort: column to sort by, one of SORT_KEYS.
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order: "asc" or "desc".
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Returns:
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The rendered processes.html as an HTMLResponse.
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"""
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if sort not in SORT_KEYS:
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sort = "cpu"
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if order not in ("asc", "desc"):
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order = "desc"
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procs = await asyncio.to_thread(proc_col.sample)
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if q:
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ql = q.lower()
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procs = [p for p in procs if ql in p["name"].lower() or str(p["pid"]) == ql]
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reverse = order == "desc"
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try:
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procs.sort(key=lambda p: (p[sort] is None, p[sort]), reverse=reverse)
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except (KeyError, TypeError):
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pass
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return HTMLResponse(
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render(
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"processes.html",
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procs=procs[:300],
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total=len(procs),
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q=q,
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sort=sort,
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order=order,
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)
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)
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