From a84497eb3227f5a949fb2a22187b864239df99d5 Mon Sep 17 00:00:00 2001
From: rpwolff <info@rp-wolff.de>
Date: Sun, 8 Feb 2026 20:01:06 +0100
Subject: [PATCH] zu socket

---
 mmp_logger.py | 102 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 72 insertions(+), 30 deletions(-)
 mode change 100644 => 100755 mmp_logger.py

diff --git a/mmp_logger.py b/mmp_logger.py
old mode 100644
new mode 100755
index fe39879..b3609f7
--- a/mmp_logger.py
+++ b/mmp_logger.py
@@ -7,7 +7,7 @@ import json
 import os
 import re
 import sqlite3
-import telnetlib
+import socket
 import time
 from dataclasses import dataclass
 from pathlib import Path
@@ -207,36 +207,73 @@ def cost_center_for(outlet_name: str, cc_map: Dict[str, str]) -> Tuple[str, str]
 # Telnet / Fetch / Parse
 # -------------------------
 
-def telnet_read_until_prompt(tn: telnetlib.Telnet, timeout: int) -> bytes:
-    # robust: lesen bis '>' auftaucht, nicht zwingend am Zeilenende
-    return tn.read_until(PROMPT_END, timeout=timeout)
+PROMPT_END = b">"
 
-def telnet_fetch_ostatus(dev: DeviceCfg, cmd: str, connect_timeout: int, prompt_timeout: int, read_timeout: int) -> bytes:
+def tcp_read_all(sock: socket.socket, read_timeout: int) -> bytes:
     """
-    Öffnet Telnet, wartet auf Prompt ('>'), sendet cmd, liest Antwort (bis nächstes Prompt).
-    Optionales Login best-effort, falls Username/Password gesetzt sind.
+    Liest bis:
+      - Prompt '>' erkannt wird, ODER
+      - Gegenseite schließt (recv == b''), ODER
+      - read_timeout abläuft (socket.timeout)
     """
-    tn = telnetlib.Telnet()
-    tn.open(dev.host, dev.port, timeout=connect_timeout)
+    sock.settimeout(read_timeout)
+    buf = bytearray()
+    while True:
+        try:
+            chunk = sock.recv(4096)
+        except socket.timeout:
+            break
+        if not chunk:
+            # Session geschlossen
+            break
+        buf += chunk
+        # Prompt irgendwo im Buffer?
+        if PROMPT_END in buf:
+            break
+    return bytes(buf)
 
-    buf = telnet_read_until_prompt(tn, timeout=prompt_timeout)
+def tcp_fetch_ostatus_raw(
+    host: str,
+    port: int,
+    cmd: str,
+    connect_timeout: int,
+    prompt_timeout: int,
+    read_timeout: int,
+    enter_first: bool = True,
+    prompt_pause_sec: float = 2.0,
+    cmd_pause_sec: float = 0.2,
+) -> bytes:
+    """
+    Raw TCP (seriell->TCP). Ablauf:
+      1) connect
+      2) optional: ENTER senden, kurz warten
+      3) kurz lesen (prompt_timeout)
+         - falls kein '>' kommt: nochmal ENTER, Pause
+      4) cmd senden, kurze Pause
+      5) lesen bis prompt / close / timeout
+    """
+    with socket.create_connection((host, port), timeout=connect_timeout) as s:
+        # 1) "Session wecken"
+        if enter_first:
+            s.sendall(b"\r\n")
+            time.sleep(prompt_pause_sec)
 
-    # Best-effort login flow
-    if dev.username:
-        low = buf.lower()
-        if b"login" in low or b"user" in low:
-            tn.write(dev.username.encode("utf-8") + b"\n")
-            buf = telnet_read_until_prompt(tn, timeout=prompt_timeout)
-        if dev.password:
-            low = buf.lower()
-            if b"pass" in low:
-                tn.write(dev.password.encode("utf-8") + b"\n")
-                buf = telnet_read_until_prompt(tn, timeout=prompt_timeout)
+        # 2) kurzer Versuch: gibt's schon Output/Prompt?
+        pre = tcp_read_all(s, read_timeout=prompt_timeout)
 
-    tn.write(cmd.encode("utf-8") + b"\n")
-    out = tn.read_until(PROMPT_END, timeout=read_timeout)
-    tn.close()
-    return out
+        # 3) falls kein Prompt: nochmal Enter + Pause
+        if PROMPT_END not in pre:
+            s.sendall(b"\r\n")
+            time.sleep(prompt_pause_sec)
+            pre += tcp_read_all(s, read_timeout=prompt_timeout)
+
+        # 4) Kommando senden
+        s.sendall(cmd.encode("utf-8") + b"\r\n")
+        time.sleep(cmd_pause_sec)
+
+        # 5) Antwort lesen (Bridge kann danach schließen)
+        out = tcp_read_all(s, read_timeout=read_timeout)
+        return pre + out
 
 def parse_ostatus(text: str) -> List[dict]:
     """
@@ -317,11 +354,16 @@ def poll_device(con: sqlite3.Connection, dev: DeviceCfg, cc_map: Dict[str, str],
     fields_filled = 0
 
     try:
-        raw = telnet_fetch_ostatus(dev, cmd, connect_timeout, prompt_timeout, read_timeout)
-        text = raw.decode("utf-8", errors="replace")
-        rows = parse_ostatus(text)
-        ts = utc_now_iso()
-        outlets_received = len(rows)
+        raw = tcp_fetch_ostatus_raw(
+            host=dev.host,
+            port=dev.port,
+            cmd=cmd,
+            connect_timeout=connect_timeout,
+            prompt_timeout=prompt_timeout,
+            read_timeout=read_timeout,
+            enter_first=True,
+            prompt_pause_sec=2.0
+        )
 
         for r in rows:
             outlet_name = r["outlet_name"].strip()