Files
2025-12-29 14:37:54 +00:00

557 lines
22 KiB
Python

import asyncio
import logging
import os
import sys
from repeater.config import get_radio_for_board, load_config
from repeater.config_manager import ConfigManager
from repeater.engine import RepeaterHandler
from repeater.web.http_server import HTTPStatsServer, _log_buffer
from repeater.handler_helpers import TraceHelper, DiscoveryHelper, AdvertHelper, LoginHelper, TextHelper, PathHelper, ProtocolRequestHelper
from repeater.packet_router import PacketRouter
from repeater.identity_manager import IdentityManager
logger = logging.getLogger("RepeaterDaemon")
class RepeaterDaemon:
def __init__(self, config: dict, radio=None):
self.config = config
self.radio = radio
self.dispatcher = None
self.repeater_handler = None
self.local_hash = None
self.local_identity = None
self.identity_manager = None
self.config_manager = None
self.http_server = None
self.trace_helper = None
self.advert_helper = None
self.discovery_helper = None
self.login_helper = None
self.text_helper = None
self.path_helper = None
self.protocol_request_helper = None
self.acl = None
self.router = None
log_level = config.get("logging", {}).get("level", "INFO")
logging.basicConfig(
level=getattr(logging, log_level),
format=config.get("logging", {}).get("format"),
)
root_logger = logging.getLogger()
_log_buffer.setLevel(getattr(logging, log_level))
root_logger.addHandler(_log_buffer)
async def initialize(self):
logger.info(f"Initializing repeater: {self.config['repeater']['node_name']}")
if self.radio is None:
logger.info("Initializing radio hardware...")
try:
self.radio = get_radio_for_board(self.config)
if hasattr(self.radio, 'set_custom_cad_thresholds'):
# Load CAD settings from config, with defaults
cad_config = self.config.get("radio", {}).get("cad", {})
peak_threshold = cad_config.get("peak_threshold", 23)
min_threshold = cad_config.get("min_threshold", 11)
self.radio.set_custom_cad_thresholds(peak=peak_threshold, min_val=min_threshold)
logger.info(f"CAD thresholds set from config: peak={peak_threshold}, min={min_threshold}")
else:
logger.warning("Radio does not support CAD configuration")
if hasattr(self.radio, 'get_frequency'):
logger.info(f"Radio config - Freq: {self.radio.get_frequency():.1f}MHz")
if hasattr(self.radio, 'get_spreading_factor'):
logger.info(f"Radio config - SF: {self.radio.get_spreading_factor()}")
if hasattr(self.radio, 'get_bandwidth'):
logger.info(f"Radio config - BW: {self.radio.get_bandwidth()}kHz")
if hasattr(self.radio, 'get_coding_rate'):
logger.info(f"Radio config - CR: {self.radio.get_coding_rate()}")
if hasattr(self.radio, 'get_tx_power'):
logger.info(f"Radio config - TX Power: {self.radio.get_tx_power()}dBm")
logger.info("Radio hardware initialized")
except Exception as e:
logger.error(f"Failed to initialize radio hardware: {e}")
raise RuntimeError("Repeater requires real LoRa hardware") from e
try:
from pymc_core import LocalIdentity
from pymc_core.node.dispatcher import Dispatcher
self.dispatcher = Dispatcher(self.radio)
logger.info("Dispatcher initialized")
# Initialize Identity Manager for additional identities (e.g., room servers)
self.identity_manager = IdentityManager(self.config)
logger.info("Identity manager initialized")
# Set up default repeater identity (not managed by identity manager)
identity_key = self.config.get("mesh", {}).get("identity_key")
if not identity_key:
logger.error("No identity key found in configuration. Cannot init repeater.")
raise RuntimeError("Identity key is required for repeater operation")
local_identity = LocalIdentity(seed=identity_key)
self.local_identity = local_identity
self.dispatcher.local_identity = local_identity
pubkey = local_identity.get_public_key()
self.local_hash = pubkey[0]
logger.info(f"Local identity set: {local_identity.get_address_bytes().hex()}")
local_hash_hex = f"0x{self.local_hash:02x}"
logger.info(f"Local node hash (from identity): {local_hash_hex}")
# Load additional identities from config (e.g., room servers)
await self._load_additional_identities()
self.dispatcher._is_own_packet = lambda pkt: False
self.repeater_handler = RepeaterHandler(
self.config, self.dispatcher, self.local_hash, send_advert_func=self.send_advert
)
# Create router
self.router = PacketRouter(self)
await self.router.start()
# Register router as entry point for ALL packets via fallback handler
# All received packets flow through router → helpers → repeater engine
self.dispatcher.register_fallback_handler(self._router_callback)
logger.info("Packet router registered as fallback (catches all packets)")
# Create processing helpers (handlers created internally)
self.trace_helper = TraceHelper(
local_hash=self.local_hash,
repeater_handler=self.repeater_handler,
packet_injector=self.router.inject_packet,
log_fn=logger.info,
)
logger.info("Trace processing helper initialized")
# Create advert helper for neighbor tracking
self.advert_helper = AdvertHelper(
local_identity=self.local_identity,
storage=self.repeater_handler.storage if self.repeater_handler else None,
log_fn=logger.info,
)
logger.info("Advert processing helper initialized")
# Set up discovery handler if enabled
allow_discovery = self.config.get("repeater", {}).get("allow_discovery", True)
if allow_discovery:
self.discovery_helper = DiscoveryHelper(
local_identity=self.local_identity,
packet_injector=self.router.inject_packet,
node_type=2,
log_fn=logger.info,
)
logger.info("Discovery processing helper initialized")
else:
logger.info("Discovery response handler disabled")
# Create login helper (will create per-identity ACLs)
self.login_helper = LoginHelper(
identity_manager=self.identity_manager,
packet_injector=self.router.inject_packet,
log_fn=logger.info,
)
# Register default repeater identity
self.login_helper.register_identity(
name="repeater",
identity=self.local_identity,
identity_type="repeater",
config=self.config # Pass full config so repeater can access top-level security section
)
# Register room server identities with their configs
for name, identity, config in self.identity_manager.get_identities_by_type("room_server"):
self.login_helper.register_identity(
name=name,
identity=identity,
identity_type="room_server",
config=config # Pass room-specific config
)
logger.info("Login processing helper initialized")
# Initialize ConfigManager for centralized config management
self.config_manager = ConfigManager(
config_path=getattr(self, 'config_path', '/etc/pymc_repeater/config.yaml'),
config=self.config,
daemon_instance=self
)
logger.info("Config manager initialized")
# Initialize text message helper with per-identity ACLs
self.text_helper = TextHelper(
identity_manager=self.identity_manager,
packet_injector=self.router.inject_packet,
acl_dict=self.login_helper.get_acl_dict(), # Per-identity ACLs
log_fn=logger.info,
config_path=getattr(self, 'config_path', None), # For CLI to save changes
config=self.config, # For CLI to read/modify settings
config_manager=self.config_manager, # New centralized config manager
sqlite_handler=self.repeater_handler.storage.sqlite_handler if self.repeater_handler and self.repeater_handler.storage else None, # For room server database
send_advert_callback=self.send_advert, # For CLI advert command
)
# Register default repeater identity for text messages
self.text_helper.register_identity(
name="repeater",
identity=self.local_identity,
identity_type="repeater",
radio_config=self.config.get("radio", {})
)
# Register room server identities for text messages
for name, identity, config in self.identity_manager.get_identities_by_type("room_server"):
self.text_helper.register_identity(
name=name,
identity=identity,
identity_type="room_server",
radio_config=config # Pass room-specific config (includes max_posts, etc.)
)
logger.info("Text message processing helper initialized")
# Initialize PATH packet helper for updating client out_path
self.path_helper = PathHelper(
acl_dict=self.login_helper.get_acl_dict(), # Per-identity ACLs
log_fn=logger.info,
)
logger.info("PATH packet processing helper initialized")
# Initialize protocol request handler for status/telemetry requests
self.protocol_request_helper = ProtocolRequestHelper(
identity_manager=self.identity_manager,
packet_injector=self.router.inject_packet,
acl_dict=self.login_helper.get_acl_dict(),
radio=self.radio,
engine=self.repeater_handler,
neighbor_tracker=self.advert_helper,
)
# Register repeater identity for protocol requests
self.protocol_request_helper.register_identity(
name="repeater",
identity=self.local_identity,
identity_type="repeater"
)
logger.info("Protocol request handler initialized")
except Exception as e:
logger.error(f"Failed to initialize dispatcher: {e}")
raise
async def _load_additional_identities(self):
from pymc_core import LocalIdentity
identities_config = self.config.get("identities", {})
# Load room server identities
room_servers = identities_config.get("room_servers") or []
for room_config in room_servers:
try:
name = room_config.get("name")
identity_key = room_config.get("identity_key")
if not name or not identity_key:
logger.warning(
f"Skipping room server config: missing name or identity_key"
)
continue
# Convert identity_key to bytes if it's a hex string
if isinstance(identity_key, bytes):
identity_key_bytes = identity_key
elif isinstance(identity_key, str):
try:
identity_key_bytes = bytes.fromhex(identity_key)
if len(identity_key_bytes) != 32:
logger.error(f"Identity key for '{name}' is invalid length: {len(identity_key_bytes)} bytes (expected 32)")
continue
except ValueError as e:
logger.error(f"Identity key for '{name}' is not valid hex: {e}")
continue
else:
logger.error(f"Identity key for '{name}' has unknown type: {type(identity_key)}")
continue
# Create the identity
room_identity = LocalIdentity(seed=identity_key_bytes)
# Register with the manager and all helpers
success = self._register_identity_everywhere(
name=name,
identity=room_identity,
config=room_config,
identity_type="room_server"
)
if success:
room_hash = room_identity.get_public_key()[0]
logger.info(
f"Loaded room server '{name}': hash=0x{room_hash:02x}, "
f"address={room_identity.get_address_bytes().hex()}"
)
except Exception as e:
logger.error(f"Failed to load room server identity '{name}': {e}")
# Summary logging
total_identities = len(self.identity_manager.list_identities())
logger.info(f"Identity manager loaded {total_identities} total identities")
def _register_identity_everywhere(
self,
name: str,
identity,
config: dict,
identity_type: str
) -> bool:
"""
Register an identity with the manager and all helpers in one place.
This is the single source of truth for identity registration.
"""
# Register with identity manager
success = self.identity_manager.register_identity(
name=name,
identity=identity,
config=config,
identity_type=identity_type
)
if not success:
return False
# Register with all helpers
if self.login_helper:
self.login_helper.register_identity(
name=name,
identity=identity,
identity_type=identity_type,
config=config
)
if self.text_helper:
self.text_helper.register_identity(
name=name,
identity=identity,
identity_type=identity_type,
radio_config=self.config.get("radio", {})
)
if self.protocol_request_helper:
self.protocol_request_helper.register_identity(
name=name,
identity=identity,
identity_type=identity_type
)
return True
async def _router_callback(self, packet):
"""
Single entry point for ALL packets.
Enqueues packets for router processing.
"""
if self.router:
try:
await self.router.enqueue(packet)
except Exception as e:
logger.error(f"Error enqueuing packet in router: {e}", exc_info=True)
def register_text_handler_for_identity(
self,
name: str,
identity,
identity_type: str = "room_server",
radio_config: dict = None
):
if not self.text_helper:
logger.warning("Text helper not initialized, cannot register identity")
return False
try:
self.text_helper.register_identity(
name=name,
identity=identity,
identity_type=identity_type,
radio_config=radio_config or self.config.get("radio", {}),
)
logger.info(f"Registered text handler for {identity_type} '{name}'")
return True
except Exception as e:
logger.error(f"Failed to register text handler for '{name}': {e}")
return False
def get_stats(self) -> dict:
stats = {}
if self.repeater_handler:
stats = self.repeater_handler.get_stats()
# Add public key if available
if self.local_identity:
try:
pubkey = self.local_identity.get_public_key()
stats["public_key"] = pubkey.hex()
except Exception:
stats["public_key"] = None
return stats
async def send_advert(self) -> bool:
if not self.dispatcher or not self.local_identity:
logger.error("Cannot send advert: dispatcher or identity not initialized")
return False
try:
from pymc_core.protocol import PacketBuilder
from pymc_core.protocol.constants import ADVERT_FLAG_HAS_NAME, ADVERT_FLAG_IS_REPEATER
# Get node name and location from config
repeater_config = self.config.get("repeater", {})
node_name = repeater_config.get("node_name", "Repeater")
latitude = repeater_config.get("latitude", 0.0)
longitude = repeater_config.get("longitude", 0.0)
flags = ADVERT_FLAG_IS_REPEATER | ADVERT_FLAG_HAS_NAME
packet = PacketBuilder.create_advert(
local_identity=self.local_identity,
name=node_name,
lat=latitude,
lon=longitude,
feature1=0,
feature2=0,
flags=flags,
route_type="flood",
)
# Send via dispatcher
await self.dispatcher.send_packet(packet, wait_for_ack=False)
# Mark our own advert as seen to prevent re-forwarding it
if self.repeater_handler:
self.repeater_handler.mark_seen(packet)
logger.debug("Marked own advert as seen in duplicate cache")
logger.info(f"Sent flood advert '{node_name}' at ({latitude: .6f}, {longitude: .6f})")
return True
except Exception as e:
logger.error(f"Failed to send advert: {e}", exc_info=True)
return False
async def run(self):
logger.info("Repeater daemon started")
await self.initialize()
# Start HTTP stats server
http_port = self.config.get("http", {}).get("port", 8000)
http_host = self.config.get("http", {}).get("host", "0.0.0.0")
node_name = self.config.get("repeater", {}).get("node_name", "Repeater")
# Format public key for display
pub_key_formatted = ""
if self.local_identity:
pub_key_hex = self.local_identity.get_public_key().hex()
# Format as <first8...last8>
if len(pub_key_hex) >= 16:
pub_key_formatted = f"{pub_key_hex[:8]}...{pub_key_hex[-8:]}"
else:
pub_key_formatted = pub_key_hex
current_loop = asyncio.get_event_loop()
self.http_server = HTTPStatsServer(
host=http_host,
port=http_port,
stats_getter=self.get_stats,
node_name=node_name,
pub_key=pub_key_formatted,
send_advert_func=self.send_advert,
config=self.config,
event_loop=current_loop,
daemon_instance=self,
config_path=getattr(self, 'config_path', '/etc/pymc_repeater/config.yaml'),
)
try:
self.http_server.start()
except Exception as e:
logger.error(f"Failed to start HTTP server: {e}")
# Run dispatcher (handles RX/TX via pymc_core)
try:
await self.dispatcher.run_forever()
except KeyboardInterrupt:
logger.info("Shutting down...")
if self.router:
await self.router.stop()
if self.http_server:
self.http_server.stop()
def main():
import argparse
parser = argparse.ArgumentParser(description="pyMC Repeater Daemon")
parser.add_argument(
"--config",
help="Path to config file (default: /etc/pymc_repeater/config.yaml)",
)
parser.add_argument(
"--log-level",
choices=["DEBUG", "INFO", "WARNING", "ERROR"],
help="Log level (default: INFO)",
)
args = parser.parse_args()
# Load configuration
config = load_config(args.config)
config_path = args.config if args.config else '/etc/pymc_repeater/config.yaml'
if args.log_level:
if "logging" not in config:
config["logging"] = {}
config["logging"]["level"] = args.log_level
# Don't initialize radio here - it will be done inside the async event loop
daemon = RepeaterDaemon(config, radio=None)
daemon.config_path = config_path
# Run
try:
asyncio.run(daemon.run())
except KeyboardInterrupt:
logger.info("Repeater stopped")
except Exception as e:
logger.error(f"Fatal error: {e}", exc_info=True)
sys.exit(1)
if __name__ == "__main__":
main()