This commit is contained in:
lda committed 2026-03-01 19:29:47 +07:00
1 parent 4201a3cbb1
commit 0cd543a21a
10 files changed
+1430 -229

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+2 -1
View File
@@ -1,7 +1,7 @@
"""Sinks for pipeline output handling."""
from pipeline.sinks.alerts import FileAlertStore
from pipeline.sinks.database import DatabaseSink
from pipeline.sinks.database import DatabaseSink, DatabaseSmartEventSink
from pipeline.sinks.display import WindowDisplaySink
from pipeline.sinks.events import SmartEventSink
from pipeline.sinks.metrics import MetricsSink
@@ -10,6 +10,7 @@ from pipeline.sinks.video import VideoFileStore
__all__ = [
"DatabaseSink",
"DatabaseSmartEventSink",
"FileAlertStore",
"MetricsSink",
"ScreenshotSink",
+50
View File
@@ -8,6 +8,7 @@ import cv2
from db.repository import Repository
from pipeline.ops.drawing import draw_alert_banner, draw_detections
from pipeline.sinks.events import SmartEventSink
from pipeline.types import Frame
logger = logging.getLogger(__name__)
@@ -72,3 +73,52 @@ class DatabaseSink:
def close(self):
pass # DB connection is managed by the repository
class DatabaseSmartEventSink(SmartEventSink):
"""Records event clips and stores clip path in DB as alert evidence."""
def __init__(
self,
db_repo: Repository,
fps: float,
user_id: int = 1,
camera_source: str = "Pipeline",
output_dir: str = "static/events",
pre_event_seconds: float = 2,
post_event_seconds: float = 3,
):
super().__init__(
output_dir=output_dir,
fps=fps,
pre_event_seconds=pre_event_seconds,
post_event_seconds=post_event_seconds,
)
self.db_repo = db_repo
self.user_id = user_id
self.camera_source = camera_source
def _trigger_event(self, trigger_frame: Frame):
was_recording = self.recording
super()._trigger_event(trigger_frame)
# Save one DB row per newly started event clip
if was_recording or not self.recording or self.current_event_id is None:
return
ticket = trigger_frame.ticket
if not ticket:
return
filename = f"event_{self.current_event_id}.mp4"
web_path = f"/static/events/{filename}"
try:
self.db_repo.save_detection(
user_id=self.user_id,
image_path=web_path,
confidence=ticket.confidence,
camera_source=self.camera_source,
)
logger.info("Saved event alert to DB: %s", web_path)
except Exception as e:
logger.error("Failed to save event alert to DB: %s", e)
+622
View File
@@ -0,0 +1,622 @@
{
"started_at": "2026-03-01T19:28:11",
"base_url": "http://127.0.0.1:8000",
"config": {
"cycles": 20,
"request_timeout": 8.0,
"sleep_ms": 120,
"pause_every": 3,
"pause_sleep_ms": 120,
"source_a": "0",
"source_b": "2"
},
"summary": {
"total": 75,
"ok": 75,
"err": 0,
"avg_ms": 286.4,
"max_ms": 1051,
"over_500ms": 16,
"over_1000ms": 12
},
"errors": [],
"tail": [
{
"name": "cycle18-pause",
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"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline paused\",\"live\":{\"running\":false,\"starting\":false,\"paused\":true,\"source\":\"2\",\"last_error\":null,\"thread_alive\":false}}"
},
{
"name": "cycle18-resume",
"ok": true,
"duration_ms": 357,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline resumed\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle18-status-after",
"ok": true,
"duration_ms": 1,
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},
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"name": "cycle19-status-before",
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},
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},
{
"name": "cycle19-status-after",
"ok": true,
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},
{
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},
{
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},
{
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}
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},
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},
{
"name": "cycle16-status-after",
"ok": true,
"duration_ms": 26,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle17-status-before",
"ok": true,
"duration_ms": 2,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle17-switch-0",
"ok": true,
"duration_ms": 977,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline started (source=0)\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"0\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle17-status-after",
"ok": true,
"duration_ms": 14,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"0\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle18-status-before",
"ok": true,
"duration_ms": 15,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"0\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle18-switch-2",
"ok": true,
"duration_ms": 353,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline started (source=2)\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle18-pause",
"ok": true,
"duration_ms": 1003,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline paused\",\"live\":{\"running\":false,\"starting\":false,\"paused\":true,\"source\":\"2\",\"last_error\":null,\"thread_alive\":false}}"
},
{
"name": "cycle18-resume",
"ok": true,
"duration_ms": 357,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline resumed\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle18-status-after",
"ok": true,
"duration_ms": 1,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle19-status-before",
"ok": true,
"duration_ms": 1,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle19-switch-0",
"ok": true,
"duration_ms": 1001,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline started (source=0)\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"0\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle19-status-after",
"ok": true,
"duration_ms": 18,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"0\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle20-status-before",
"ok": true,
"duration_ms": 2,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"0\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle20-switch-2",
"ok": true,
"duration_ms": 401,
"status_code": 200,
"body": "{\"status\":\"success\",\"message\":\"Pipeline started (source=2)\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "cycle20-status-after",
"ok": true,
"duration_ms": 2,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
},
{
"name": "final-status",
"ok": true,
"duration_ms": 1,
"status_code": 200,
"body": "{\"status\":\"success\",\"live\":{\"running\":true,\"starting\":false,\"paused\":false,\"source\":\"2\",\"last_error\":null,\"thread_alive\":true}}"
}
]
}
+265
View File
@@ -0,0 +1,265 @@
"""Stress-test live control endpoints for the smoking detection server.
Usage example:
python scripts/live_stress_test.py --cycles 20 --request-timeout 8 --sleep-ms 120
"""
from __future__ import annotations
import argparse
import json
import time
from dataclasses import asdict, dataclass
from datetime import datetime
from pathlib import Path
from typing import Any
from urllib.error import HTTPError, URLError
from urllib.parse import urlencode
from urllib.request import Request, urlopen
@dataclass
class StepResult:
name: str
ok: bool
duration_ms: int
status_code: int | None
body: str
def _call(
base_url: str,
name: str,
method: str,
path: str,
timeout_seconds: float,
form: dict[str, Any] | None = None,
) -> StepResult:
url = f"{base_url}{path}"
data = None
headers: dict[str, str] = {}
if form is not None:
data = urlencode(form).encode("utf-8")
headers["Content-Type"] = "application/x-www-form-urlencoded"
request = Request(url=url, data=data, method=method, headers=headers)
start = time.perf_counter()
try:
with urlopen(request, timeout=timeout_seconds) as response:
body = response.read().decode("utf-8", errors="replace")
status = getattr(response, "status", None)
duration_ms = int((time.perf_counter() - start) * 1000)
return StepResult(
name=name, ok=True, duration_ms=duration_ms, status_code=status, body=body
)
except HTTPError as err:
duration_ms = int((time.perf_counter() - start) * 1000)
try:
body = err.read().decode("utf-8", errors="replace")
except Exception:
body = str(err)
return StepResult(
name=name,
ok=False,
duration_ms=duration_ms,
status_code=err.code,
body=body,
)
except URLError as err:
duration_ms = int((time.perf_counter() - start) * 1000)
return StepResult(
name=name,
ok=False,
duration_ms=duration_ms,
status_code=None,
body=str(err.reason),
)
except Exception as err:
duration_ms = int((time.perf_counter() - start) * 1000)
return StepResult(
name=name,
ok=False,
duration_ms=duration_ms,
status_code=None,
body=str(err),
)
def _summarize(results: list[StepResult]) -> dict[str, Any]:
ok_results = [r for r in results if r.ok]
err_results = [r for r in results if not r.ok]
durations = [r.duration_ms for r in ok_results]
return {
"total": len(results),
"ok": len(ok_results),
"err": len(err_results),
"avg_ms": round(sum(durations) / len(durations), 1) if durations else 0,
"max_ms": max(durations) if durations else 0,
"over_500ms": sum(1 for d in durations if d > 500),
"over_1000ms": sum(1 for d in durations if d > 1000),
}
def run_stress(args: argparse.Namespace) -> tuple[list[StepResult], dict[str, Any]]:
results: list[StepResult] = []
def add(result: StepResult) -> None:
results.append(result)
if args.verbose or not result.ok:
status = "OK" if result.ok else "ERR"
print(
f"{status}|{result.name}|{result.duration_ms}ms|"
f"status={result.status_code}|{result.body[:180]}"
)
add(
_call(
args.base_url, "warmup-status", "GET", "/live/status", args.request_timeout
)
)
add(
_call(
args.base_url,
"warmup-start",
"POST",
"/live/start",
args.request_timeout,
{"source": args.source_b},
)
)
for cycle in range(1, args.cycles + 1):
add(
_call(
args.base_url,
f"cycle{cycle}-status-before",
"GET",
"/live/status",
args.request_timeout,
)
)
src = args.source_b if cycle % 2 == 0 else args.source_a
add(
_call(
args.base_url,
f"cycle{cycle}-switch-{src}",
"POST",
"/live/switch_source",
args.request_timeout,
{"source": src},
)
)
if args.pause_every > 0 and cycle % args.pause_every == 0:
add(
_call(
args.base_url,
f"cycle{cycle}-pause",
"POST",
"/live/pause",
args.request_timeout,
)
)
time.sleep(args.pause_sleep_ms / 1000.0)
add(
_call(
args.base_url,
f"cycle{cycle}-resume",
"POST",
"/live/resume",
args.request_timeout,
)
)
add(
_call(
args.base_url,
f"cycle{cycle}-status-after",
"GET",
"/live/status",
args.request_timeout,
)
)
time.sleep(args.sleep_ms / 1000.0)
add(
_call(
args.base_url, "final-status", "GET", "/live/status", args.request_timeout
)
)
summary = _summarize(results)
return results, summary
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Stress test /live/* endpoints")
parser.add_argument("--base-url", default="http://127.0.0.1:8000")
parser.add_argument("--cycles", type=int, default=20)
parser.add_argument("--request-timeout", type=float, default=8.0)
parser.add_argument("--sleep-ms", type=int, default=120)
parser.add_argument("--pause-every", type=int, default=3)
parser.add_argument("--pause-sleep-ms", type=int, default=120)
parser.add_argument("--source-a", default="0")
parser.add_argument("--source-b", default="2")
parser.add_argument("--out", default="reports/live_stress_latest.json")
parser.add_argument("--verbose", action="store_true")
return parser.parse_args()
def main() -> int:
args = parse_args()
started_at = datetime.now().isoformat(timespec="seconds")
results, summary = run_stress(args)
report = {
"started_at": started_at,
"base_url": args.base_url,
"config": {
"cycles": args.cycles,
"request_timeout": args.request_timeout,
"sleep_ms": args.sleep_ms,
"pause_every": args.pause_every,
"pause_sleep_ms": args.pause_sleep_ms,
"source_a": args.source_a,
"source_b": args.source_b,
},
"summary": summary,
"errors": [asdict(r) for r in results if not r.ok],
"tail": [asdict(r) for r in results[-10:]],
"all_results": [asdict(r) for r in results],
}
out_path = Path(args.out)
out_path.parent.mkdir(parents=True, exist_ok=True)
out_path.write_text(json.dumps(report, indent=2), encoding="utf-8")
print(
"SUMMARY|"
f"total={summary['total']}|ok={summary['ok']}|err={summary['err']}|"
f"avg_ms={summary['avg_ms']}|max_ms={summary['max_ms']}|"
f"over_500ms={summary['over_500ms']}|over_1000ms={summary['over_1000ms']}"
)
print(f"REPORT|{out_path.as_posix()}")
if summary["err"] > 0:
print("ERRORS_BEGIN")
for err in report["errors"][:8]:
print(
f"ERR|{err['name']}|{err['duration_ms']}ms|"
f"status={err['status_code']}|{err['body'][:180]}"
)
print("ERRORS_END")
return 1
return 0
if __name__ == "__main__":
raise SystemExit(main())
+36 -227
View File
@@ -15,122 +15,25 @@ Usage:
import argparse
import logging
import os
import socket
import threading
import time
from contextlib import asynccontextmanager
from pathlib import Path
import cv2
from fastapi import FastAPI, Form, Response
from fastapi.responses import StreamingResponse
from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles
from db import SQLiteRepository
from db.repository import Repository
import server.runtime as rt
from pipeline.config import PipelineConfig
from pipeline.core import SmokingDetectionPipeline
from pipeline.models import YoloCigaretteDetector, YoloClassifier, YoloPersonDetector
from pipeline.protocols import Sink
from pipeline.sinks import FileAlertStore, MetricsSink, SmartEventSink
from pipeline.sinks import FileAlertStore, MetricsSink
from pipeline.sinks.database import DatabaseSmartEventSink
from pipeline.sources.stream import ThreadedStreamSource
from pipeline.staged_core import StageBasedPipeline
from pipeline.types import Frame
from server.routes import router as api_router
logger = logging.getLogger(__name__)
# ---------------------------------------------------------------------------
# Global state (set during lifespan)
# ---------------------------------------------------------------------------
db: Repository = SQLiteRepository() # default: data/smoke.db
pipeline = None # set at startup
source: ThreadedStreamSource | None = None # set at startup
live_frame: Frame | None = None # latest frame for MJPEG / snapshot
# ---------------------------------------------------------------------------
# Sink that exposes frames to the web layer
# ---------------------------------------------------------------------------
class LiveFrameSink(Sink):
"""Captures the latest frame so API endpoints can stream it."""
def handle(self, frame: Frame):
global live_frame
live_frame = frame
def close(self):
pass
class DatabaseSmartEventSink(SmartEventSink):
"""Records event clips and stores clip path in DB as alert evidence."""
def __init__(
self,
db_repo: Repository,
fps: float,
user_id: int = 1,
camera_source: str = "Pipeline",
output_dir: str = "static/events",
):
super().__init__(output_dir=output_dir, fps=fps)
self.db_repo = db_repo
self.user_id = user_id
self.camera_source = camera_source
def _trigger_event(self, trigger_frame: Frame):
was_recording = self.recording
super()._trigger_event(trigger_frame)
# Save one DB row per newly started event clip
if was_recording or not self.recording or self.current_event_id is None:
return
ticket = trigger_frame.ticket
if not ticket:
return
filename = f"event_{self.current_event_id}.mp4"
web_path = f"/static/events/{filename}"
try:
self.db_repo.save_detection(
user_id=self.user_id,
image_path=web_path,
confidence=ticket.confidence,
camera_source=self.camera_source,
)
logger.info("Saved event alert to DB: %s", web_path)
except Exception as e:
logger.error("Failed to save event alert to DB: %s", e)
def _get_lan_address() -> tuple[str, str]:
"""Return (ip, hostname) for the primary LAN interface."""
ip = "127.0.0.1"
try:
# Open a UDP socket to an external IP (doesn't actually send anything)
# to figure out which local NIC the OS would route through.
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
ip = s.getsockname()[0]
s.close()
except Exception:
pass
hostname = socket.getfqdn()
return ip, hostname
# ---------------------------------------------------------------------------
# Pipeline runner (background thread)
# ---------------------------------------------------------------------------
def _run_pipeline():
"""Blocking call: runs in a daemon thread."""
assert pipeline is not None and source is not None
try:
pipeline.process_stream(source)
except Exception: # noqa: BLE001
logger.exception("Pipeline crashed")
# ---------------------------------------------------------------------------
# CLI args (parsed before uvicorn when run as __main__)
@@ -174,8 +77,6 @@ _args = argparse.Namespace(
# ---------------------------------------------------------------------------
@asynccontextmanager
async def app_lifespan(_app: FastAPI):
global pipeline, source # noqa: PLW0603
logging.basicConfig(
level=logging.DEBUG if _args.debug else logging.INFO,
format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
@@ -185,7 +86,7 @@ async def app_lifespan(_app: FastAPI):
# 1. Database
logger.info("Initializing database...")
db.initialize()
rt.db.initialize()
# 2. Models
logger.info("Loading models...")
@@ -194,32 +95,33 @@ async def app_lifespan(_app: FastAPI):
verifier = YoloClassifier(_args.verify_model)
logger.info("Models loaded.")
# 3. Source (webcam / RTSP)
cam = int(_args.source) if _args.source.isdigit() else _args.source
source = ThreadedStreamSource(cam)
logger.info("Camera source ready: %s (%.1f FPS)", _args.source, source.fps)
# 3. Configure live pipeline manager
def source_factory(source_spec: str) -> ThreadedStreamSource:
cam = int(source_spec) if source_spec.isdigit() else source_spec
return ThreadedStreamSource(cam)
# 4. Sinks
sinks: list[Sink] = [
LiveFrameSink(),
DatabaseSmartEventSink(db, fps=source.fps, output_dir="static/events"),
def sink_factory(src: ThreadedStreamSource) -> list[Sink]:
return [
rt.LiveFrameSink(),
DatabaseSmartEventSink(rt.db, fps=src.fps, output_dir="static/events"),
MetricsSink(log_interval=200),
FileAlertStore("alerts.jsonl"),
]
# 5. Pipeline config
def pipeline_factory(src: ThreadedStreamSource, sinks: list[Sink]):
config = PipelineConfig(
idle_interval=0.5,
active_interval=0.0,
cooldown_frames=int(source.fps * 2),
cooldown_frames=int(src.fps * 2),
)
# 6. Build pipeline
if _args.staged or _args.vlm:
vlm_key = _args.vlm_key or os.environ.get(
"OPENAI_API_KEY" if _args.vlm_provider == "openai" else "ANTHROPIC_API_KEY"
"OPENAI_API_KEY"
if _args.vlm_provider == "openai"
else "ANTHROPIC_API_KEY"
)
pipeline = StageBasedPipeline(
return StageBasedPipeline(
person_model=person_model,
cigarette_model=cig_model,
verifier_model=verifier,
@@ -230,8 +132,8 @@ async def app_lifespan(_app: FastAPI):
sinks=sinks,
config=config,
)
else:
pipeline = SmokingDetectionPipeline(
return SmokingDetectionPipeline(
person_model=person_model,
cigarette_model=cig_model,
verifier_model=verifier,
@@ -239,13 +141,19 @@ async def app_lifespan(_app: FastAPI):
config=config,
)
# 7. Launch pipeline in background thread
t = threading.Thread(target=_run_pipeline, daemon=True, name="pipeline")
t.start()
logger.info("Pipeline running in background.")
rt.manager.configure(
source_factory=source_factory,
sink_factory=sink_factory,
pipeline_factory=pipeline_factory,
initial_source=_args.source,
)
ok, msg = rt.manager.start_async()
if not ok:
raise RuntimeError(msg)
logger.info("%s (source=%s)", msg, _args.source)
# Show real addresses
ip, hostname = _get_lan_address()
ip, hostname = rt.get_lan_address()
port = _args.port if hasattr(_args, "port") else 8000
logger.info("=" * 50)
logger.info(" Server ready")
@@ -259,10 +167,8 @@ async def app_lifespan(_app: FastAPI):
# Shutdown
logger.info("Shutting down...")
source.stop()
for s in sinks:
s.close()
db.close()
rt.manager.stop()
rt.db.close()
logger.info("Goodbye.")
@@ -270,6 +176,7 @@ async def app_lifespan(_app: FastAPI):
# FastAPI app
# ---------------------------------------------------------------------------
app = FastAPI(title="Smoking Detection", lifespan=app_lifespan) # type: ignore
app.include_router(api_router)
# Serve static assets (alert images, CSS/JS, etc.)
Path("static/alerts").mkdir(parents=True, exist_ok=True)
@@ -277,104 +184,6 @@ Path("static/events").mkdir(parents=True, exist_ok=True)
app.mount("/static", StaticFiles(directory="static"), name="static")
# -- Auth ------------------------------------------------------------------
@app.get("/ping")
def ping():
"""Health check for the mobile app to verify connectivity."""
return {"status": "ok", "name": "SmokingDetection"}
@app.post("/register")
def register(username: str = Form(...), password: str = Form(...)):
try:
if db.get_user_by_username(username):
return {"status": "fail", "message": "Username already taken"}
new_id = db.create_user(username, password)
return {"status": "success", "user_id": new_id, "message": "Account created"}
except Exception as e:
return {"status": "error", "message": str(e)}
@app.post("/login")
def login(username: str = Form(...), password: str = Form(...)):
try:
user = db.get_user_by_credentials(username, password)
if user:
return {"status": "success", "user_id": user.id, "username": user.username}
return {"status": "fail", "message": "Invalid username or password"}
except Exception as e:
return {"status": "error", "message": str(e)}
# -- Detection history -----------------------------------------------------
@app.get("/history")
def get_history(user_id: int | None = None):
try:
records = db.get_detections(user_id)
return [
{
"id": r.id,
"user_id": r.user_id,
"image_path": r.image_path,
"confidence": r.confidence,
"timestamp": r.timestamp,
"camera_source": r.camera_source,
}
for r in records
]
except Exception:
return []
@app.post("/clear_history")
def clear_history():
try:
deleted = db.clear_detections()
logger.info("Cleared %d records", deleted)
return {"status": "success", "message": "History cleared"}
except Exception as e:
return {"status": "error", "message": str(e)}
# -- Video / Snapshot ------------------------------------------------------
@app.get("/snapshot")
def snapshot():
"""Return the latest frame as a JPEG."""
if live_frame is not None:
_, jpg = cv2.imencode(".jpg", live_frame.data)
return Response(content=jpg.tobytes(), media_type="image/jpeg")
return Response(status_code=404)
@app.get("/video_feed")
def video_feed():
"""MJPEG stream - drop into an <img> tag."""
def generate():
while True:
if live_frame is not None:
from pipeline.ops.drawing import draw_detections
img = live_frame.data.copy()
draw_detections(img, live_frame.detections)
_, jpg = cv2.imencode(".jpg", img)
yield (
b"--frame\r\n"
b"Content-Type: image/jpeg\r\n\r\n" + jpg.tobytes() + b"\r\n"
)
time.sleep(0.033) # ~30 FPS cap
return StreamingResponse(
generate(), media_type="multipart/x-mixed-replace;boundary=frame"
)
# ---------------------------------------------------------------------------
# Entry-point
# ---------------------------------------------------------------------------
View File
Whitespace-only changes.
+9
View File
@@ -0,0 +1,9 @@
"""Package entrypoint so `python -m server` / `uv run -m server` works."""
import runpy
from pathlib import Path
# Execute top-level server.py as __main__
runpy.run_path(
str(Path(__file__).resolve().parent.parent / "server.py"), run_name="__main__"
)
+165
View File
@@ -0,0 +1,165 @@
"""API route definitions for the smoking detection server."""
import time
import cv2
from fastapi import APIRouter, Form, Response
from fastapi.responses import StreamingResponse
import server.runtime as rt
router = APIRouter()
@router.get("/ping")
def ping():
"""Health check for the mobile app to verify connectivity."""
return {"status": "ok", "name": "SmokingDetection"}
@router.post("/register")
def register(username: str = Form(...), password: str = Form(...)):
try:
if rt.db.get_user_by_username(username):
return {"status": "fail", "message": "Username already taken"}
new_id = rt.db.create_user(username, password)
return {"status": "success", "user_id": new_id, "message": "Account created"}
except Exception as e:
return {"status": "error", "message": str(e)}
@router.post("/login")
def login(username: str = Form(...), password: str = Form(...)):
try:
user = rt.db.get_user_by_credentials(username, password)
if user:
return {"status": "success", "user_id": user.id, "username": user.username}
return {"status": "fail", "message": "Invalid username or password"}
except Exception as e:
return {"status": "error", "message": str(e)}
@router.get("/history")
def get_history(user_id: int | None = None):
try:
records = rt.db.get_detections(user_id)
return [
{
"id": r.id,
"user_id": r.user_id,
"image_path": r.image_path,
"confidence": r.confidence,
"timestamp": r.timestamp,
"camera_source": r.camera_source,
}
for r in records
]
except Exception:
return []
@router.post("/clear_history")
def clear_history(user_id: int | None = Form(default=None)):
try:
deleted = rt.db.clear_detections(user_id)
return {
"status": "success",
"message": "History cleared",
"deleted": deleted,
"user_id": user_id,
}
except Exception as e:
return {"status": "error", "message": str(e)}
@router.get("/live/status")
def live_status():
"""Get current live pipeline status."""
return {"status": "success", "live": rt.manager.status()}
@router.post("/live/start")
def live_start(source: str | None = Form(default=None)):
"""Start live pipeline (optionally with source override)."""
ok, message = rt.manager.start(source)
return {
"status": "success" if ok else "fail",
"message": message,
"live": rt.manager.status(),
}
@router.post("/live/stop")
def live_stop():
"""Stop live pipeline."""
ok, message = rt.manager.stop()
return {
"status": "success" if ok else "fail",
"message": message,
"live": rt.manager.status(),
}
@router.post("/live/pause")
def live_pause():
"""Pause live pipeline (stops source, resumable)."""
ok, message = rt.manager.pause()
return {
"status": "success" if ok else "fail",
"message": message,
"live": rt.manager.status(),
}
@router.post("/live/resume")
def live_resume():
"""Resume paused live pipeline."""
ok, message = rt.manager.resume()
return {
"status": "success" if ok else "fail",
"message": message,
"live": rt.manager.status(),
}
@router.post("/live/switch_source")
def live_switch_source(source: str = Form(...)):
"""Switch active live source (webcam index or RTSP URL)."""
ok, message = rt.manager.switch_source(source)
return {
"status": "success" if ok else "fail",
"message": message,
"live": rt.manager.status(),
}
@router.get("/snapshot")
def snapshot():
"""Return the latest frame as a JPEG."""
if rt.live_frame is not None:
_, jpg = cv2.imencode(".jpg", rt.live_frame.data)
return Response(content=jpg.tobytes(), media_type="image/jpeg")
return Response(status_code=404)
@router.get("/video_feed")
def video_feed():
"""MJPEG stream - drop into an <img> tag."""
def generate():
while True:
if rt.live_frame is not None:
from pipeline.ops.drawing import draw_detections
img = rt.live_frame.data.copy()
draw_detections(img, rt.live_frame.detections)
_, jpg = cv2.imencode(".jpg", img)
yield (
b"--frame\r\n"
b"Content-Type: image/jpeg\r\n\r\n" + jpg.tobytes() + b"\r\n"
)
time.sleep(0.033)
return StreamingResponse(
generate(), media_type="multipart/x-mixed-replace;boundary=frame"
)
+280
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@@ -0,0 +1,280 @@
"""Runtime state and utility helpers for the FastAPI server."""
import logging
import socket
import threading
from typing import Any, Callable
from db import SQLiteRepository
from db.repository import Repository
from pipeline.protocols import Sink
from pipeline.sources.stream import ThreadedStreamSource
from pipeline.types import Frame
logger = logging.getLogger(__name__)
# Global runtime state
# (kept as module-level singletons for current single-instance server design)
db: Repository = SQLiteRepository()
pipeline = None
source: ThreadedStreamSource | None = None
live_frame: Frame | None = None
SourceFactory = Callable[[str], ThreadedStreamSource]
SinkFactory = Callable[[ThreadedStreamSource], list[Sink]]
PipelineFactory = Callable[[ThreadedStreamSource, list[Sink]], Any]
class LiveFrameSink(Sink):
"""Captures the latest frame so API endpoints can stream it."""
def handle(self, frame: Frame):
global live_frame
live_frame = frame
def close(self):
pass
class PipelineManager:
"""Controls the live pipeline lifecycle (start/stop/pause/resume/switch)."""
def __init__(self):
self._lock = threading.RLock()
self._thread: threading.Thread | None = None
self._start_thread: threading.Thread | None = None
self._sinks: list[Sink] = []
self._source_factory: SourceFactory | None = None
self._sink_factory: SinkFactory | None = None
self._pipeline_factory: PipelineFactory | None = None
self._source_spec: str = "0"
self.running = False
self.starting = False
self.paused = False
self.last_error: str | None = None
def configure(
self,
source_factory: SourceFactory,
sink_factory: SinkFactory,
pipeline_factory: PipelineFactory,
initial_source: str = "0",
):
with self._lock:
self._source_factory = source_factory
self._sink_factory = sink_factory
self._pipeline_factory = pipeline_factory
self._source_spec = initial_source
def _close_sinks(self):
for sink in self._sinks:
try:
sink.close()
except Exception:
logger.exception("Error closing sink: %s", sink.__class__.__name__)
self._sinks = []
def _run_wrapper(self):
global pipeline, source
assert pipeline is not None and source is not None
try:
pipeline.process_stream(source)
except Exception as e:
with self._lock:
self.last_error = str(e)
logger.exception("Pipeline crashed")
finally:
with self._lock:
self.running = False
# Only auto-close sinks when pipeline exits by itself
self._close_sinks()
pipeline = None
source = None
def start(self, source_spec: str | None = None) -> tuple[bool, str]:
global pipeline, source, live_frame
with self._lock:
if self.starting:
return False, "Pipeline is starting"
if self.running:
return False, "Pipeline already running"
if source_spec is not None:
self._source_spec = source_spec
if (
not self._source_factory
or not self._sink_factory
or not self._pipeline_factory
):
return False, "PipelineManager not configured"
source_spec_local = self._source_spec
source_factory = self._source_factory
sink_factory = self._sink_factory
pipeline_factory = self._pipeline_factory
self.starting = True
try:
source_obj = source_factory(source_spec_local)
sinks_obj = sink_factory(source_obj)
pipeline_obj = pipeline_factory(source_obj, sinks_obj)
except Exception as e:
with self._lock:
self.starting = False
self.last_error = str(e)
return False, f"Failed to build pipeline: {e}"
with self._lock:
if self.running:
self.starting = False
try:
source_obj.stop()
except Exception:
logger.exception("Error stopping source after race")
return False, "Pipeline already running"
source = source_obj
self._sinks = sinks_obj
pipeline = pipeline_obj
live_frame = None
self._thread = threading.Thread(
target=self._run_wrapper,
daemon=True,
name="pipeline",
)
self._thread.start()
self.starting = False
self.running = True
self.paused = False
self.last_error = None
return True, f"Pipeline started (source={self._source_spec})"
def start_async(self, source_spec: str | None = None) -> tuple[bool, str]:
with self._lock:
if self.starting:
return False, "Pipeline is starting"
if self.running:
return False, "Pipeline already running"
def _runner():
ok, msg = self.start(source_spec)
if ok:
logger.info(msg)
else:
logger.warning(msg)
self._start_thread = threading.Thread(
target=_runner,
daemon=True,
name="pipeline-start",
)
self._start_thread.start()
return True, "Pipeline start requested"
def stop(self) -> tuple[bool, str]:
global pipeline, source
with self._lock:
thread = self._thread
source_obj = source
if source_obj is not None:
try:
source_obj.stop()
except Exception:
logger.exception("Error stopping source")
if thread and thread.is_alive():
thread.join(timeout=3.0)
with self._lock:
self.starting = False
self.running = False
self.paused = False
self._close_sinks()
pipeline = None
source = None
return True, "Pipeline stopped"
def pause(self) -> tuple[bool, str]:
with self._lock:
if not self.running:
return False, "Pipeline is not running"
ok, msg = self.stop()
if ok:
with self._lock:
self.paused = True
return True, "Pipeline paused"
return False, msg
def resume(self) -> tuple[bool, str]:
with self._lock:
if self.running:
return False, "Pipeline already running"
if not self.paused:
return False, "Pipeline is not paused"
ok, msg = self.start()
if ok:
with self._lock:
self.paused = False
return True, "Pipeline resumed"
return False, msg
def switch_source(self, source_spec: str) -> tuple[bool, str]:
with self._lock:
self._source_spec = source_spec
running = self.running
paused = self.paused
if running:
self.stop()
return self.start(source_spec)
if paused:
return True, f"Source set to {source_spec} (will apply on resume)"
return self.start(source_spec)
def status(self) -> dict[str, Any]:
with self._lock:
return {
"running": self.running,
"starting": self.starting,
"paused": self.paused,
"source": self._source_spec,
"last_error": self.last_error,
"thread_alive": bool(self._thread and self._thread.is_alive()),
}
manager = PipelineManager()
def get_lan_address() -> tuple[str, str]:
"""Return (ip, hostname) for the primary LAN interface."""
ip = "127.0.0.1"
try:
probe = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
probe.connect(("8.8.8.8", 80))
ip = probe.getsockname()[0]
probe.close()
except Exception:
pass
hostname = socket.getfqdn()
return ip, hostname
def run_pipeline():
"""Blocking call used by the background pipeline thread."""
assert pipeline is not None and source is not None
try:
pipeline.process_stream(source)
except Exception:
logger.exception("Pipeline crashed")