From 9f764ac414025f62684a04f4a96edfb26bb67554 Mon Sep 17 00:00:00 2001
From: s-hadinger <49731213+s-hadinger@users.noreply.github.com>
Date: Sun, 11 May 2025 18:41:20 +0200
Subject: [PATCH] TCP bridge more logging (#23410)

---
 .../tasmota_xdrv_driver/xdrv_41_tcp_bridge.ino  | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_41_tcp_bridge.ino b/tasmota/tasmota_xdrv_driver/xdrv_41_tcp_bridge.ino
index 0d5545769..ee1df80a7 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_41_tcp_bridge.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_41_tcp_bridge.ino
@@ -63,7 +63,16 @@ void TCPLoop(void)
   if ((server_tcp) && (server_tcp->hasClient())) {
     WiFiClient new_client = server_tcp->available();
 
-    AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_TCP "Got connection from %s"), new_client.remoteIP().toString().c_str());
+    // count already connected ports
+    uint32_t connected = 0;
+    for (uint32_t i=0; i<nitems(client_tcp); i++) {
+      WiFiClient &client = client_tcp[i];
+      if (client.connected()) {
+        connected++;
+      }
+    }
+
+    AddLog(LOG_LEVEL_INFO, PSTR(D_LOG_TCP "Got connection from %s (%i already connected)"), new_client.remoteIP().toString().c_str(), connected);
     // Check for IP filtering if it's enabled.
     if (ip_filter_enabled) {
       if (ip_filter != new_client.remoteIP()) {
@@ -80,13 +89,17 @@ void TCPLoop(void)
       WiFiClient &client = client_tcp[i];
       if (!client) {
         client = new_client;
+        AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_TCP "Adding connection to slot %i"), i);
         break;
       }
     }
     if (i >= nitems(client_tcp)) {
       i = client_next++ % nitems(client_tcp);
       WiFiClient &client = client_tcp[i];
-      client.stop();
+      if (client.connected()) {
+        AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_TCP "Replacing connection in slot %i, closing connection from %s"), i, client.remoteIP().toString().c_str());
+        client.stop();
+      }
       client = new_client;
     }
   }