from datetime import datetime, timezone from ogn.parser.utils import FPM_TO_MS, HPM_TO_DEGS, createTimestamp, KNOTS_TO_MS, KPH_TO_MS, FEETS_TO_METER, INCH_TO_MM, fahrenheit_to_celsius, CheapRuler, normalized_quality from ogn.parser.exceptions import AprsParseError from ogn_parser import parse as rust_parse positions = {} server_timestamp = None dstcall_beacontype_mapping = { 'OGCAPT': 'capturs', 'OGNFNT': 'fanet', 'OGFLR': 'flarm', 'OGFLR6': 'flarm', 'OGFLR7': 'flarm', 'OGFLYM': 'flymaster', 'OGNINRE': 'inreach', 'OGLT24': 'lt24', 'OGNMTK': 'microtrak', 'OGNAVI': 'naviter', 'OGNSDR': 'receiver', 'OGNSKY': 'safesky', 'OGPAW': 'pilot_aware', 'OGSKYL': 'skylines', 'OGSPID': 'spider', 'OGSPOT': 'spot', 'OGNTRK': 'tracker', } def parse(aprs_message, reference_timestamp=None, calculate_relations=False, use_server_timestamp=True): global server_timestamp if use_server_timestamp is True: reference_timestamp = server_timestamp or datetime.now(timezone.utc) elif reference_timestamp is None: reference_timestamp = datetime.now(timezone.utc) rust_messages = rust_parse(aprs_message) if rust_messages: rust_message = rust_messages[0] else: raise AprsParseError("Empty message") message = {'raw_message': aprs_message, 'reference_timestamp': reference_timestamp} if parser_error := rust_message.get('parser_error'): raise AprsParseError(f"Parser error: {parser_error}") elif aprs_packet := rust_message.get('aprs_packet'): message.update({ 'aprs_type': 'position', 'beacon_type': dstcall_beacontype_mapping.get(aprs_packet['to'], 'unknown'), 'name': aprs_packet['from'], 'dstcall': aprs_packet['to'], }) if via := aprs_packet.get('via'): message['receiver_name'] = via[-1] if aprs_packet['via'][0] != 'TCPIP*' and aprs_packet['via'][0].endswith('*'): message['relay'] = aprs_packet['via'][0][:-1] if position := aprs_packet.get('position'): message.update({ 'latitude': position['latitude'], 'longitude': position['longitude'], 'symboltable': position['symbol_table'], 'symbolcode': position['symbol_code'], }) if 'timestamp' in position: message['timestamp'] = createTimestamp(position['timestamp'], reference_timestamp) if 'wind_direction' in position: message['aprs_type'] = 'position_weather' if 'wind_direction' in position: message["wind_direction"] = position['wind_direction'] if 'wind_speed' in position: message["wind_speed"] = position['wind_speed'] * KNOTS_TO_MS / KPH_TO_MS if 'gust' in position: message['wind_speed_peak'] = position['gust'] * KNOTS_TO_MS / KPH_TO_MS if 'temperature' in position: message['temperature'] = fahrenheit_to_celsius(position['temperature']) if 'rainfall_1h' in position: message['rainfall_1h'] = position['rainfall_1h'] / 100.0 * INCH_TO_MM if 'rainfall_24h' in position: message['rainfall_24h'] = position['rainfall_24h'] / 100.0 * INCH_TO_MM if 'humidity' in position: message['humidity'] = 1. if position['humidity'] == 0 else position['humidity'] * 0.01 if 'barometric_pressure' in position: message['barometric_pressure'] = position['barometric_pressure'] if 'course' in position: message["track"] = position['course'] if 'speed' in position: message["ground_speed"] = position['speed'] * KNOTS_TO_MS / KPH_TO_MS if 'altitude' in position: message["altitude"] = position['altitude'] * FEETS_TO_METER if 'reserved' in position: message['reserved'] = position['reserved'] if 'address_type' in position: message['address_type'] = position['address_type'] if 'aircraft_type' in position: message['aircraft_type'] = position['aircraft_type'] if 'is_notrack' in position: message['no-tracking'] = position['is_notrack'] if 'is_stealth' in position: message['stealth'] = position['is_stealth'] if 'address' in position: message['address'] = f"{position['address']:06X}" if 'climb_rate' in position: message["climb_rate"] = position['climb_rate'] * FPM_TO_MS if 'turn_rate' in position: message["turn_rate"] = float(position['turn_rate']) * HPM_TO_DEGS if 'signal_quality' in position: message["signal_quality"] = float(position['signal_quality']) if 'error' in position: message["error_count"] = position['error'] if 'frequency_offset' in position: message["frequency_offset"] = float(position['frequency_offset']) if 'gps_quality' in position: message["gps_quality"] = position['gps_quality'] if 'flight_level' in position: message["flightlevel"] = position['flight_level'] if 'signal_power' in position: message["signal_power"] = position['signal_power'] if 'software_version' in position: message["software_version"] = float(position['software_version']) if 'hardware_version' in position: message["hardware_version"] = position['hardware_version'] if 'original_address' in position: message["real_address"] = f"{position['original_address']:06X}" if 'unparsed' in position: message["user_comment"] = position['unparsed'] elif status := aprs_packet.get('status'): message['aprs_type'] = 'status' if 'timestamp' in status: message['timestamp'] = createTimestamp(status['timestamp'], reference_timestamp) if 'version' in status: message["version"] = status['version'] if 'platform' in status: message["platform"] = status['platform'] if 'cpu_load' in status: message["cpu_load"] = float(status['cpu_load']) if 'ram_free' in status: message["free_ram"] = float(status['ram_free']) if 'ram_total' in status: message["total_ram"] = float(status['ram_total']) if 'ntp_offset' in status: message["ntp_error"] = float(status['ntp_offset']) if 'ntp_correction' in status: message["rt_crystal_correction"] = float(status['ntp_correction']) if 'voltage' in status: message["voltage"] = float(status['voltage']) if 'amperage' in status: message["amperage"] = float(status['amperage']) if 'cpu_temperature' in status: message["cpu_temp"] = float(status['cpu_temperature']) if 'visible_senders' in status: message["senders_visible"] = status['visible_senders'] if 'latency' in status: message["latency"] = status['latency'] if 'senders' in status: message["senders_total"] = status['senders'] if 'rf_correction_manual' in status: message["rec_crystal_correction"] = status['rf_correction_manual'] if 'rf_correction_automatic' in status: message["rec_crystal_correction_fine"] = float(status['rf_correction_automatic']) if 'noise' in status: message["rec_input_noise"] = float(status['noise']) if 'senders_signal_quality' in status: message["senders_signal"] = float(status['senders_signal_quality']) if 'senders_messages' in status: message["senders_messages"] = status['senders_messages'] if 'good_senders_signal_quality' in status: message["good_senders_signal"] = float(status['good_senders_signal_quality']) if 'good_senders' in status: message["good_senders"] = status['good_senders'] if 'good_and_bad_senders' in status: message["good_and_bad_senders"] = status['good_and_bad_senders'] if 'unparsed' in status: message["user_comment"] = status['unparsed'] else: raise ValueError("Raised unreachable exception") elif server_comment := rust_message.get('server_comment'): message.update({ 'version': server_comment['version'], # 'timestamp': datetime.fromisoformat(server_comment['timestamp']), # only available in python 3.11+ 'timestamp': datetime.strptime(server_comment['timestamp'], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc), 'server': server_comment['server'], 'ip_address': server_comment['ip_address'], 'port': server_comment['port'], 'aprs_type': 'server'}) elif comment := rust_message.get('comment'): message.update({ 'comment': comment['comment'], 'aprs_type': 'comment'}) else: raise ValueError("Raised unreachable exception") if message['aprs_type'].startswith('position') and calculate_relations is True: positions[message['name']] = (message['longitude'], message['latitude']) if message['receiver_name'] in positions: cheap_ruler = CheapRuler((message['latitude'] + positions[message['receiver_name']][1]) / 2.0) message['distance'] = cheap_ruler.distance((message['longitude'], message['latitude']), positions[message['receiver_name']]) message['bearing'] = cheap_ruler.bearing((message['longitude'], message['latitude']), positions[message['receiver_name']]) message['normalized_quality'] = normalized_quality(message['distance'], message['signal_quality']) if 'signal_quality' in message else None if message['aprs_type'] == 'server': server_timestamp = message['timestamp'] return message