From 4d62a93e7be8b6f656e8e1d9a7e2c13ac85ce8d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kry=C5=A1tof=20Pe=C5=A1ek=20=28Kof=29?=
 <krystof.pesek@gmail.com>
Date: Thu, 5 Nov 2026 23:06:10 +0100
Subject: [PATCH] feat(gxbox): add cast-gxbox and stream-gxbox with pre-flight
 renderer probe

---
 cast-gxbox   |  1 +
 cast-tesla   | 15 +++++++++++++++
 stream-gxbox |  1 +
 3 files changed, 17 insertions(+)
 create mode 120000 cast-gxbox
 create mode 120000 stream-gxbox

diff --git a/cast-gxbox b/cast-gxbox
new file mode 120000
index 0000000..6f4ea2e
--- /dev/null
+++ b/cast-gxbox
@@ -0,0 +1 @@
+cast-tesla
\ No newline at end of file
diff --git a/cast-tesla b/cast-tesla
index 3216bda..68ca3e5 100755
--- a/cast-tesla
+++ b/cast-tesla
@@ -27,7 +27,22 @@ def get_local_ip(target_ip):
 LOCAL_IP = get_local_ip(RENDERER_IP)
 CONTROL_URL = f"http://{RENDERER_IP}:{RENDERER_PORT}/_urn:schemas-upnp-org:service:AVTransport_control"
 
+def is_renderer_online(ip, port):
+    try:
+        import socket
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        s.settimeout(1.5)
+        res = s.connect_ex((ip, port))
+        s.close()
+        return res == 0
+    except Exception:
+        return False
+
 def send_soap(action, body_xml):
+    if not is_renderer_online(RENDERER_IP, RENDERER_PORT):
+        print(f"[cast-gxbox] Upozornění: Port {RENDERER_PORT} na {RENDERER_IP} zatím neodpovídá.")
+        print(f"[cast-gxbox] Zapněte na set-top boxu DLNA DMR: Menu -> Aplikace / Síť -> DLNA DMR.")
+        return None
     soap = f"""<?xml version="1.0" encoding="utf-8"?>
 <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
 <s:Body>
diff --git a/stream-gxbox b/stream-gxbox
new file mode 120000
index 0000000..6f4ea2e
--- /dev/null
+++ b/stream-gxbox
@@ -0,0 +1 @@
+cast-tesla
\ No newline at end of file