Files
adminandClaude Opus 5 79843aa2ae SolarManager unter Versionsverwaltung
Erster Stand der Hintergrundprozesse, die auf der Synology unter
/volume1/homes/wagner/SolarManager laufen: der Manager selbst, die Sammler
je Geraet, die MQTT-Bruecke, der Wecker und - neu hinzugezogen - der
AutoAction-Runner, der als Hintergrundprozess hierher gehoert und nicht ins
Web-Verzeichnis.

Zugangsdaten stehen nicht mehr im Quelltext, sondern in config.ini, die
nicht mit eingecheckt wird. Vorlage ist config.ini.example, gelesen wird sie
von konfig.py. Betroffen waren solarManager.py (Datenbank und Wattpilot),
zeit.py, gatherWaterData.py, wecker.py und skoda_testdaten.py, das sich das
Passwort bisher aus dem Quelltext eines anderen Moduls herausgesucht hat.

Die Kia-Anbindung ist mit dem Fahrzeug entfallen: kiaTest.py,
gatherCarData.py und hyundai_kia_connect_api sind nicht mehr dabei, ebenso
gatherInverterData.py, auf das nur noch eine auskommentierte Zeile zeigte.

Die mitgelieferten Bibliotheken bleiben im Repository - die NAS hat kein
pip, sie muessen neben den Skripten liegen.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-02 20:46:59 +02:00

224 lines
8.7 KiB
Python

import binascii
import struct
from typing import Tuple
def dump_packet(prefix: str, data: bytes) -> None:
try:
data = to_string(data)
print(prefix, ": ", data, sep="")
except struct.error:
data = binascii.b2a_hex(data).decode('utf8')
print(prefix, " (not decoded): 0x", data, sep="")
def remaining_length(packet: bytes) -> Tuple[bytes, int]:
l = min(5, len(packet)) # noqa: E741
all_bytes = struct.unpack("!" + "B" * l, packet[:l])
mult = 1
rl = 0
for i in range(1, l - 1):
byte = all_bytes[i]
rl += (byte & 127) * mult
mult *= 128
if byte & 128 == 0:
packet = packet[i + 1:]
break
return (packet, rl)
def to_hex_string(packet: bytes) -> str:
if not packet:
return ""
s = ""
while len(packet) > 0:
packet0 = struct.unpack("!B", packet[0])
s = s+hex(packet0[0]) + " "
packet = packet[1:]
return s
def to_string(packet: bytes) -> str:
if not packet:
return ""
packet0 = struct.unpack("!B%ds" % (len(packet)-1), bytes(packet))
packet0 = packet0[0]
cmd = packet0 & 0xF0
if cmd == 0x00:
# Reserved
return "0x00"
elif cmd == 0x10:
# CONNECT
(packet, rl) = remaining_length(packet)
pack_format = "!H" + str(len(packet) - 2) + 's'
(slen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(slen) + 'sBBH' + str(len(packet) - slen - 4) + 's'
(protocol, proto_ver, flags, keepalive, packet) = struct.unpack(pack_format, packet)
kind = ("clean-session" if flags & 2 else "durable")
s = f"CONNECT, proto={protocol}{proto_ver}, keepalive={keepalive}, {kind}"
pack_format = "!H" + str(len(packet) - 2) + 's'
(slen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(slen) + 's' + str(len(packet) - slen) + 's'
(client_id, packet) = struct.unpack(pack_format, packet)
s = s + ", id=" + str(client_id)
if flags & 4:
pack_format = "!H" + str(len(packet) - 2) + 's'
(slen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(slen) + 's' + str(len(packet) - slen) + 's'
(will_topic, packet) = struct.unpack(pack_format, packet)
s = s + ", will-topic=" + str(will_topic)
pack_format = "!H" + str(len(packet) - 2) + 's'
(slen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(slen) + 's' + str(len(packet) - slen) + 's'
(will_message, packet) = struct.unpack(pack_format, packet)
s = s + ", will-message=" + will_message
s = s + ", will-qos=" + str((flags & 24) >> 3)
s = s + ", will-retain=" + str((flags & 32) >> 5)
if flags & 128:
pack_format = "!H" + str(len(packet) - 2) + 's'
(slen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(slen) + 's' + str(len(packet) - slen) + 's'
(username, packet) = struct.unpack(pack_format, packet)
s = s + ", username=" + str(username)
if flags & 64:
pack_format = "!H" + str(len(packet) - 2) + 's'
(slen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(slen) + 's' + str(len(packet) - slen) + 's'
(password, packet) = struct.unpack(pack_format, packet)
s = s + ", password=" + str(password)
if flags & 1:
s = s + ", reserved=1"
return s
elif cmd == 0x20:
# CONNACK
if len(packet) == 4:
(cmd, rl, resv, rc) = struct.unpack('!BBBB', packet)
return "CONNACK, rl="+str(rl)+", res="+str(resv)+", rc="+str(rc)
elif len(packet) == 5:
(cmd, rl, flags, reason_code, proplen) = struct.unpack('!BBBBB', packet)
return "CONNACK, rl="+str(rl)+", flags="+str(flags)+", rc="+str(reason_code)+", proplen="+str(proplen)
else:
return "CONNACK, (not decoded)"
elif cmd == 0x30:
# PUBLISH
dup = (packet0 & 0x08) >> 3
qos = (packet0 & 0x06) >> 1
retain = (packet0 & 0x01)
(packet, rl) = remaining_length(packet)
pack_format = "!H" + str(len(packet) - 2) + 's'
(tlen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(tlen) + 's' + str(len(packet) - tlen) + 's'
(topic, packet) = struct.unpack(pack_format, packet)
s = "PUBLISH, rl=" + str(rl) + ", topic=" + str(topic) + ", qos=" + str(qos) + ", retain=" + str(retain) + ", dup=" + str(dup)
if qos > 0:
pack_format = "!H" + str(len(packet) - 2) + 's'
(mid, packet) = struct.unpack(pack_format, packet)
s = s + ", mid=" + str(mid)
s = s + ", payload=" + str(packet)
return s
elif cmd == 0x40:
# PUBACK
if len(packet) == 5:
(cmd, rl, mid, reason_code) = struct.unpack('!BBHB', packet)
return "PUBACK, rl="+str(rl)+", mid="+str(mid)+", reason_code="+str(reason_code)
else:
(cmd, rl, mid) = struct.unpack('!BBH', packet)
return "PUBACK, rl="+str(rl)+", mid="+str(mid)
elif cmd == 0x50:
# PUBREC
if len(packet) == 5:
(cmd, rl, mid, reason_code) = struct.unpack('!BBHB', packet)
return "PUBREC, rl="+str(rl)+", mid="+str(mid)+", reason_code="+str(reason_code)
else:
(cmd, rl, mid) = struct.unpack('!BBH', packet)
return "PUBREC, rl="+str(rl)+", mid="+str(mid)
elif cmd == 0x60:
# PUBREL
dup = (packet0 & 0x08) >> 3
(cmd, rl, mid) = struct.unpack('!BBH', packet)
return "PUBREL, rl=" + str(rl) + ", mid=" + str(mid) + ", dup=" + str(dup)
elif cmd == 0x70:
# PUBCOMP
(cmd, rl, mid) = struct.unpack('!BBH', packet)
return "PUBCOMP, rl=" + str(rl) + ", mid=" + str(mid)
elif cmd == 0x80:
# SUBSCRIBE
(packet, rl) = remaining_length(packet)
pack_format = "!H" + str(len(packet) - 2) + 's'
(mid, packet) = struct.unpack(pack_format, packet)
s = "SUBSCRIBE, rl=" + str(rl) + ", mid=" + str(mid)
topic_index = 0
while len(packet) > 0:
pack_format = "!H" + str(len(packet) - 2) + 's'
(tlen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(tlen) + 'sB' + str(len(packet) - tlen - 1) + 's'
(topic, qos, packet) = struct.unpack(pack_format, packet)
s = s + ", topic" + str(topic_index) + "=" + str(topic) + "," + str(qos)
return s
elif cmd == 0x90:
# SUBACK
(packet, rl) = remaining_length(packet)
pack_format = "!H" + str(len(packet) - 2) + 's'
(mid, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + "B" * len(packet)
granted_qos = struct.unpack(pack_format, packet)
s = "SUBACK, rl=" + str(rl) + ", mid=" + str(mid) + ", granted_qos=" + str(granted_qos[0])
for i in range(1, len(granted_qos) - 1):
s = s + ", " + str(granted_qos[i])
return s
elif cmd == 0xA0:
# UNSUBSCRIBE
(packet, rl) = remaining_length(packet)
pack_format = "!H" + str(len(packet) - 2) + 's'
(mid, packet) = struct.unpack(pack_format, packet)
s = "UNSUBSCRIBE, rl=" + str(rl) + ", mid=" + str(mid)
topic_index = 0
while len(packet) > 0:
pack_format = "!H" + str(len(packet) - 2) + 's'
(tlen, packet) = struct.unpack(pack_format, packet)
pack_format = "!" + str(tlen) + 's' + str(len(packet) - tlen) + 's'
(topic, packet) = struct.unpack(pack_format, packet)
s = s + ", topic" + str(topic_index) + "=" + str(topic)
return s
elif cmd == 0xB0:
# UNSUBACK
(cmd, rl, mid) = struct.unpack('!BBH', packet)
return "UNSUBACK, rl=" + str(rl) + ", mid=" + str(mid)
elif cmd == 0xC0:
# PINGREQ
(cmd, rl) = struct.unpack('!BB', packet)
return "PINGREQ, rl=" + str(rl)
elif cmd == 0xD0:
# PINGRESP
(cmd, rl) = struct.unpack('!BB', packet)
return "PINGRESP, rl=" + str(rl)
elif cmd == 0xE0:
# DISCONNECT
if len(packet) == 3:
(cmd, rl, reason_code) = struct.unpack('!BBB', packet)
return "DISCONNECT, rl="+str(rl)+", reason_code="+str(reason_code)
else:
(cmd, rl) = struct.unpack('!BB', packet)
return "DISCONNECT, rl="+str(rl)
elif cmd == 0xF0:
# AUTH
(cmd, rl) = struct.unpack('!BB', packet)
return "AUTH, rl="+str(rl)
raise ValueError(f"Unknown packet type {cmd}")