commit 935fe6500ad5509811c37d28418f9340e9aa3432
Author: Tõnis Kevvai <tonis@bug.ee>
Date:   Wed Feb 12 20:47:16 2025 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..30bd623
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.env
+
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..7037ff9
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,15 @@
+services:
+  jelly_proxy:
+    image: python:3.11
+    restart: unless-stopped
+    working_dir: /app
+    environment:
+    - JELLY_NAME=${JELLY_NAME:?Missing Name}
+    - JELLY_ID=${JELLY_ID:?Missing ID}
+    - JELLY_ADDR=${JELLY_ADDR:?Missing Address}
+    volumes:
+    - ./jelly.py:/app/jelly.py
+    ports:
+    - 7359:7359/udp
+    command: python -u jelly.py
+
diff --git a/jelly.py b/jelly.py
new file mode 100644
index 0000000..69e0cc4
--- /dev/null
+++ b/jelly.py
@@ -0,0 +1,54 @@
+import signal
+import socket
+import sys
+import os
+
+def graceful_exit(signum, frame):
+    print(f"Exit requested by {signum}")
+    sys.exit(0)
+
+def get_env(name):
+    value = os.environ.get(name)
+    if value is None:
+        print(f"Missing env variable '{name}'")
+        print("Exiting")
+        sys.exit(1)
+
+    return value
+
+def main():
+    jelly_id = get_env('JELLY_ID')
+    jelly_name = get_env('JELLY_NAME')
+    jelly_addr = get_env('JELLY_ADDR')
+
+    payload = ('{"Address":"%(addr)s","Id":"%(id)s","Name":"%(name)s","EndpointAddress":null}' % {
+        'addr': jelly_addr,
+        'id': jelly_id,
+        'name': jelly_name,
+    }).encode()
+
+    print(f"Listening for JellyFin client discovery broadcasts")
+    print('Address: "%(addr)s", Id: "%(id)s", Name: "%(name)s"' % {
+        'addr': jelly_addr,
+        'id': jelly_id,
+        'name': jelly_name,
+    })
+
+    signal.signal(signal.SIGINT, graceful_exit)
+    signal.signal(signal.SIGTERM, graceful_exit)
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    s.bind(('', 7359))
+
+    while True:
+        msg, addr = s.recvfrom(1024)
+
+        if msg == b'Who is JellyfinServer?':
+            print(f"Broadcast {addr}: {msg}")
+            s.sendto(payload, addr)
+        else:
+            print(f"Unknown broadcast {addr}: {msg}")
+
+if __name__ == "__main__":
+    main()
+
diff --git a/sample.env b/sample.env
new file mode 100644
index 0000000..466244e
--- /dev/null
+++ b/sample.env
@@ -0,0 +1,3 @@
+JELLY_NAME="server name"
+JELLY_ID="server hash"
+JELLY_ADDR="server address"