Changed variable names for clearer structure.

src/common/serialize.nim

@@ -125,4 +125,16 @@ proc getVarLengthMetadata*(unpacker: Unpacker): string =
         return ""
 
     # Read content
-    return unpacker.getBytes(int(length)).toString()
+    return unpacker.getBytes(int(length)).toString()
+
+proc packHeader*(packer: Packer, header: Header, bodySize: uint32): seq[byte] = 
+    packer
+        .add(header.magic)
+        .add(header.version)
+        .add(header.packetType)
+        .add(header.flags)
+        .add(header.seqNr) 
+        .add(bodySize)
+        .addData(header.hmac)
+
+    return packer.pack()

src/common/types.nim

@@ -27,6 +27,7 @@ type
         # Flags should be powers of 2 so they can be connected with or operators
         FLAG_PLAINTEXT = 0'u16
         FLAG_ENCRYPTED = 1'u16
+        FLAG_COMPRESSED = 2'u16
 
     CommandType* = enum 
         CMD_SLEEP = 0'u16
@@ -154,7 +155,7 @@ type
         HTTP = "http"
 
     Listener* = ref object
-        name*: string
+        listenerId*: string
         address*: string
         port*: int
         protocol*: Protocol