Files

72 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Wait for LoRa Manager server to become ready.
Timeout is configurable via --timeout (default 30s); the script polls the port
until the server accepts connections or the timeout expires.
"""
from __future__ import annotations
import argparse
import socket
import sys
import time
def is_server_ready(port: int, timeout: float = 2.0) -> bool:
"""Check if server is accepting connections."""
try:
with socket.create_connection(("127.0.0.1", port), timeout=timeout):
return True
except (socket.timeout, ConnectionRefusedError, OSError):
return False
def wait_for_server(port: int, timeout: int = 30) -> bool:
"""Wait for server to become ready."""
start = time.time()
last_report = 0.0
while time.time() - start < timeout:
if is_server_ready(port):
return True
# Report progress every ~5s so a slow boot is visible, not silent.
elapsed = time.time() - start
if elapsed - last_report >= 5:
print(f" ...still waiting ({int(elapsed)}s/{timeout}s)")
last_report = elapsed
time.sleep(0.5)
return False
def main() -> int:
parser = argparse.ArgumentParser(
description="Wait for LoRa Manager server to become ready"
)
parser.add_argument(
"--port",
type=int,
default=8188,
help="Server port (default: 8188)",
)
parser.add_argument(
"--timeout",
type=int,
default=30,
help="Timeout in seconds (default: 30)",
)
args = parser.parse_args()
print(f"Waiting for server on port {args.port} (timeout: {args.timeout}s)...")
if wait_for_server(args.port, args.timeout):
print(f"Server ready at http://127.0.0.1:{args.port}/loras")
return 0
print(f"Timeout: Server not ready after {args.timeout}s")
return 1
if __name__ == "__main__":
sys.exit(main())