Files
slmm/app/routers.py

258 lines
9.1 KiB
Python

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session
from datetime import datetime
from pydantic import BaseModel, field_validator
import logging
import ipaddress
from app.database import get_db
from app.models import NL43Config, NL43Status
from app.services import NL43Client, persist_snapshot
logger = logging.getLogger(__name__)
router = APIRouter(prefix="/api/nl43", tags=["nl43"])
class ConfigPayload(BaseModel):
host: str | None = None
tcp_port: int | None = None
tcp_enabled: bool | None = None
ftp_enabled: bool | None = None
web_enabled: bool | None = None
@field_validator("host")
@classmethod
def validate_host(cls, v):
if v is None:
return v
# Try to parse as IP address or hostname
try:
ipaddress.ip_address(v)
except ValueError:
# Not an IP, check if it's a valid hostname format
if not v or len(v) > 253:
raise ValueError("Invalid hostname length")
# Allow hostnames (basic validation)
if not all(c.isalnum() or c in ".-" for c in v):
raise ValueError("Host must be a valid IP address or hostname")
return v
@field_validator("tcp_port")
@classmethod
def validate_port(cls, v):
if v is None:
return v
if not (1 <= v <= 65535):
raise ValueError("Port must be between 1 and 65535")
return v
@router.get("/{unit_id}/config")
def get_config(unit_id: str, db: Session = Depends(get_db)):
cfg = db.query(NL43Config).filter_by(unit_id=unit_id).first()
if not cfg:
raise HTTPException(status_code=404, detail="NL43 config not found")
return {
"status": "ok",
"data": {
"unit_id": unit_id,
"host": cfg.host,
"tcp_port": cfg.tcp_port,
"tcp_enabled": cfg.tcp_enabled,
"ftp_enabled": cfg.ftp_enabled,
"web_enabled": cfg.web_enabled,
},
}
@router.put("/{unit_id}/config")
def upsert_config(unit_id: str, payload: ConfigPayload, db: Session = Depends(get_db)):
cfg = db.query(NL43Config).filter_by(unit_id=unit_id).first()
if not cfg:
cfg = NL43Config(unit_id=unit_id)
db.add(cfg)
if payload.host is not None:
cfg.host = payload.host
if payload.tcp_port is not None:
cfg.tcp_port = payload.tcp_port
if payload.tcp_enabled is not None:
cfg.tcp_enabled = payload.tcp_enabled
if payload.ftp_enabled is not None:
cfg.ftp_enabled = payload.ftp_enabled
if payload.web_enabled is not None:
cfg.web_enabled = payload.web_enabled
db.commit()
db.refresh(cfg)
logger.info(f"Updated config for unit {unit_id}")
return {
"status": "ok",
"data": {
"unit_id": unit_id,
"host": cfg.host,
"tcp_port": cfg.tcp_port,
"tcp_enabled": cfg.tcp_enabled,
"ftp_enabled": cfg.ftp_enabled,
"web_enabled": cfg.web_enabled,
},
}
@router.get("/{unit_id}/status")
def get_status(unit_id: str, db: Session = Depends(get_db)):
status = db.query(NL43Status).filter_by(unit_id=unit_id).first()
if not status:
raise HTTPException(status_code=404, detail="No NL43 status recorded")
return {
"status": "ok",
"data": {
"unit_id": unit_id,
"last_seen": status.last_seen.isoformat() if status.last_seen else None,
"measurement_state": status.measurement_state,
"lp": status.lp,
"leq": status.leq,
"lmax": status.lmax,
"lmin": status.lmin,
"lpeak": status.lpeak,
"battery_level": status.battery_level,
"power_source": status.power_source,
"sd_remaining_mb": status.sd_remaining_mb,
"sd_free_ratio": status.sd_free_ratio,
"raw_payload": status.raw_payload,
},
}
class StatusPayload(BaseModel):
measurement_state: str | None = None
lp: str | None = None
leq: str | None = None
lmax: str | None = None
lmin: str | None = None
lpeak: str | None = None
battery_level: str | None = None
power_source: str | None = None
sd_remaining_mb: str | None = None
sd_free_ratio: str | None = None
raw_payload: str | None = None
@router.post("/{unit_id}/status")
def upsert_status(unit_id: str, payload: StatusPayload, db: Session = Depends(get_db)):
status = db.query(NL43Status).filter_by(unit_id=unit_id).first()
if not status:
status = NL43Status(unit_id=unit_id)
db.add(status)
status.last_seen = datetime.utcnow()
for field, value in payload.model_dump().items():
if value is not None:
setattr(status, field, value)
db.commit()
db.refresh(status)
return {
"status": "ok",
"data": {
"unit_id": unit_id,
"last_seen": status.last_seen.isoformat(),
"measurement_state": status.measurement_state,
"lp": status.lp,
"leq": status.leq,
"lmax": status.lmax,
"lmin": status.lmin,
"lpeak": status.lpeak,
"battery_level": status.battery_level,
"power_source": status.power_source,
"sd_remaining_mb": status.sd_remaining_mb,
"sd_free_ratio": status.sd_free_ratio,
"raw_payload": status.raw_payload,
},
}
@router.post("/{unit_id}/start")
async def start_measurement(unit_id: str, db: Session = Depends(get_db)):
cfg = db.query(NL43Config).filter_by(unit_id=unit_id).first()
if not cfg:
raise HTTPException(status_code=404, detail="NL43 config not found")
if not cfg.tcp_enabled:
raise HTTPException(status_code=403, detail="TCP communication is disabled for this device")
client = NL43Client(cfg.host, cfg.tcp_port)
try:
await client.start()
logger.info(f"Started measurement on unit {unit_id}")
except ConnectionError as e:
logger.error(f"Failed to start measurement on {unit_id}: {e}")
raise HTTPException(status_code=502, detail="Failed to communicate with device")
except TimeoutError:
logger.error(f"Timeout starting measurement on {unit_id}")
raise HTTPException(status_code=504, detail="Device communication timeout")
except Exception as e:
logger.error(f"Unexpected error starting measurement on {unit_id}: {e}")
raise HTTPException(status_code=500, detail="Internal server error")
return {"status": "ok", "message": "Measurement started"}
@router.post("/{unit_id}/stop")
async def stop_measurement(unit_id: str, db: Session = Depends(get_db)):
cfg = db.query(NL43Config).filter_by(unit_id=unit_id).first()
if not cfg:
raise HTTPException(status_code=404, detail="NL43 config not found")
if not cfg.tcp_enabled:
raise HTTPException(status_code=403, detail="TCP communication is disabled for this device")
client = NL43Client(cfg.host, cfg.tcp_port)
try:
await client.stop()
logger.info(f"Stopped measurement on unit {unit_id}")
except ConnectionError as e:
logger.error(f"Failed to stop measurement on {unit_id}: {e}")
raise HTTPException(status_code=502, detail="Failed to communicate with device")
except TimeoutError:
logger.error(f"Timeout stopping measurement on {unit_id}")
raise HTTPException(status_code=504, detail="Device communication timeout")
except Exception as e:
logger.error(f"Unexpected error stopping measurement on {unit_id}: {e}")
raise HTTPException(status_code=500, detail="Internal server error")
return {"status": "ok", "message": "Measurement stopped"}
@router.get("/{unit_id}/live")
async def live_status(unit_id: str, db: Session = Depends(get_db)):
cfg = db.query(NL43Config).filter_by(unit_id=unit_id).first()
if not cfg:
raise HTTPException(status_code=404, detail="NL43 config not found")
if not cfg.tcp_enabled:
raise HTTPException(status_code=403, detail="TCP communication is disabled for this device")
client = NL43Client(cfg.host, cfg.tcp_port)
try:
snap = await client.request_dod()
snap.unit_id = unit_id
# Persist snapshot with database session
persist_snapshot(snap, db)
logger.info(f"Retrieved live status for unit {unit_id}")
return {"status": "ok", "data": snap.__dict__}
except ConnectionError as e:
logger.error(f"Failed to get live status for {unit_id}: {e}")
raise HTTPException(status_code=502, detail="Failed to communicate with device")
except TimeoutError:
logger.error(f"Timeout getting live status for {unit_id}")
raise HTTPException(status_code=504, detail="Device communication timeout")
except ValueError as e:
logger.error(f"Invalid response from device {unit_id}: {e}")
raise HTTPException(status_code=502, detail="Device returned invalid data")
except Exception as e:
logger.error(f"Unexpected error getting live status for {unit_id}: {e}")
raise HTTPException(status_code=500, detail="Internal server error")