[Incomplete] Zeroconf feature

librespot/zeroconf/Record.py

@@ -0,0 +1,38 @@
+from librespot.zeroconf import Packet
+
+
+class Record:
+    TYPE_A: int = 0x01
+    TYPE_PTR: int = 0x0c
+    TYPE_CNAME: int = 0x05
+    TYPE_TXT: int = 0x10
+    TYPE_AAAA: int = 0x1c
+    TYPE_SRV: int = 0x21
+    TYPE_NSEC: int = 0x2f
+    TYPE_ANY: int = 0xff
+    __type: int
+    _ttl: int
+    __name: str
+    __clazz: int
+    __data: bytes
+
+    def __init__(self, typ: int):
+        self.__type = typ
+        self.__clazz = 1
+
+    @staticmethod
+    def _write_name(self, name: str, packet: Packet):
+        length = len(name)
+        out = b""
+        start = 0
+        for i in range(length + 1):
+            c = "." if i == length else name[i]
+            if c == ".":
+                out += bytes([i - start])
+                for j in range(start, i):
+                    out += name.encode()[j]
+                start = i + 1
+        out += bytes([0])
+        return out, len(name) + 2
+
+