From d0355b5b5b9cc2aefb288d5deb53f9ace52b557f Mon Sep 17 00:00:00 2001
From: KrX3D <KrX3D@users.noreply.github.com>
Date: Sat, 19 Apr 2025 16:07:09 +0200
Subject: [PATCH 1/2] sends now the hostname (serverDescription) so that syslog
 server can create  the right log file. Fix for
 https://github.com/wled/WLED/issues/4647

---
 wled00/net_debug.cpp | 60 +++++++++++++++++++++++++++++---------------
 wled00/net_debug.h   |  8 +++---
 2 files changed, 45 insertions(+), 23 deletions(-)

diff --git a/wled00/net_debug.cpp b/wled00/net_debug.cpp
index 4d9552a867..f09e6ac9e5 100644
--- a/wled00/net_debug.cpp
+++ b/wled00/net_debug.cpp
@@ -2,9 +2,7 @@
 
 #ifdef WLED_DEBUG_HOST
 
-size_t NetworkDebugPrinter::write(uint8_t c) {
-  if (!WLED_CONNECTED || !netDebugEnabled) return 0;
-
+void NetworkDebugPrinter::resolveHostName() {
   if (!debugPrintHostIP && !debugPrintHostIP.fromString(netDebugPrintHost)) {
     #ifdef ESP8266
       WiFi.hostByName(netDebugPrintHost, debugPrintHostIP, 750);
@@ -16,34 +14,56 @@ size_t NetworkDebugPrinter::write(uint8_t c) {
       #endif
     #endif
   }
+}
 
+void NetworkDebugPrinter::flushBuffer() {
+  if (buffer.length() == 0) return;
+  
+  resolveHostName();
+  
   debugUdp.beginPacket(debugPrintHostIP, netDebugPrintPort);
-  debugUdp.write(c);
+  debugUdp.printf("%s %s", serverDescription, buffer.c_str());
   debugUdp.endPacket();
+  buffer = "";
+}
+
+size_t NetworkDebugPrinter::write(uint8_t c) {
+  if (!WLED_CONNECTED || !netDebugEnabled) return 0;
+  
+  buffer += (char)c;
+  
+  // Flush on newline or if buffer gets too large
+  if (c == '\n' || buffer.length() >= MAX_BUFFER_SIZE) {
+    flushBuffer();
+  }
+  
   return 1;
 }
 
 size_t NetworkDebugPrinter::write(const uint8_t *buf, size_t size) {
   if (!WLED_CONNECTED || buf == nullptr || !netDebugEnabled) return 0;
-
-  if (!debugPrintHostIP && !debugPrintHostIP.fromString(netDebugPrintHost)) {
-    #ifdef ESP8266
-      WiFi.hostByName(netDebugPrintHost, debugPrintHostIP, 750);
-    #else
-      #ifdef WLED_USE_ETHERNET
-        ETH.hostByName(netDebugPrintHost, debugPrintHostIP);
-      #else
-        WiFi.hostByName(netDebugPrintHost, debugPrintHostIP);
-      #endif
-    #endif
+  
+  // Check if we can find a newline in the buffer
+  bool hasNewline = false;
+  size_t lastNewlinePos = 0;
+  
+  for (size_t i = 0; i < size; i++) {
+    buffer += (char)buf[i];
+    if (buf[i] == '\n') {
+      hasNewline = true;
+      lastNewlinePos = i;
+      flushBuffer();
+    }
   }
-
-  debugUdp.beginPacket(debugPrintHostIP, netDebugPrintPort);
-  size = debugUdp.write(buf, size);
-  debugUdp.endPacket();
+  
+  // If buffer is large but no newline was found, flush anyway
+  if (!hasNewline && buffer.length() >= MAX_BUFFER_SIZE) {
+    flushBuffer();
+  }
+  
   return size;
 }
 
 NetworkDebugPrinter NetDebug;
 
-#endif
+#endif
\ No newline at end of file
diff --git a/wled00/net_debug.h b/wled00/net_debug.h
index 13028fdc1a..64825ee42b 100644
--- a/wled00/net_debug.h
+++ b/wled00/net_debug.h
@@ -6,14 +6,16 @@
 
 class NetworkDebugPrinter : public Print {
   private:
-    WiFiUDP debugUdp; // needs to be here otherwise UDP messages get truncated upon destruction
+    WiFiUDP debugUdp;
     IPAddress debugPrintHostIP;
+    String buffer;
+    const size_t MAX_BUFFER_SIZE = 1024; // Safety limit
+    void resolveHostName();
+    void flushBuffer();
   public:
     virtual size_t write(uint8_t c);
     virtual size_t write(const uint8_t *buf, size_t s);
 };
-
-// use it on your linux/macOS with: nc -p 7868 -u -l -s <network ip>
 extern NetworkDebugPrinter NetDebug;
 
 #endif
\ No newline at end of file

From 087a62a5de06e1673fc3f9d9ad937223db47309a Mon Sep 17 00:00:00 2001
From: KrX3D <KrX3D@users.noreply.github.com>
Date: Sat, 19 Apr 2025 16:24:52 +0200
Subject: [PATCH 2/2] removed unneeded varaibles, which were leftovers from
 testing

---
 wled00/net_debug.cpp | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/wled00/net_debug.cpp b/wled00/net_debug.cpp
index f09e6ac9e5..1069007f0d 100644
--- a/wled00/net_debug.cpp
+++ b/wled00/net_debug.cpp
@@ -43,21 +43,15 @@ size_t NetworkDebugPrinter::write(uint8_t c) {
 size_t NetworkDebugPrinter::write(const uint8_t *buf, size_t size) {
   if (!WLED_CONNECTED || buf == nullptr || !netDebugEnabled) return 0;
   
-  // Check if we can find a newline in the buffer
-  bool hasNewline = false;
-  size_t lastNewlinePos = 0;
-  
   for (size_t i = 0; i < size; i++) {
     buffer += (char)buf[i];
     if (buf[i] == '\n') {
-      hasNewline = true;
-      lastNewlinePos = i;
       flushBuffer();
     }
   }
   
   // If buffer is large but no newline was found, flush anyway
-  if (!hasNewline && buffer.length() >= MAX_BUFFER_SIZE) {
+  if (buffer.length() >= MAX_BUFFER_SIZE) {
     flushBuffer();
   }