init ft (no ack or data yet)

ngc_ext_common.hpp

@@ -37,18 +37,23 @@ enum _PacketType : uint8_t {
 	// - X bytes (file_kind dependent id, differnt sizes)
 	FT1_REQUEST = 8u,
 
+	// TODO: request result negative, speed up not found
+
 	// tell the other side you want to start a FT
 	// TODO: might use id layer instead. with it, it would look similar to friends_ft
 	// - 1 byte (file_kind)
 	// - X bytes (file_kind dependent id, differnt sizes)
-	// - 8 bytes (data size) // TODO: do all file kinds have a size at init?
+	// - 8 bytes (data size, can be 0 if unknown, BUT files have to be atleast 1 byte)
 	// - 1 byte (temporary_file_tf_id, for this peer only, technically just a prefix to distinguish between simultainious fts)
 	FT1_INIT,
 
 	// acknowlage init (like an accept)
+	// like tox ft control continue
 	// - 1 byte (temporary_file_tf_id)
 	FT1_INIT_ACK,
 
+	// TODO: init deny, speed up non acceptance
+
 	// data fragment
 	// - 1 byte (temporary_file_tf_id)
 	// - 2 bytes (sequece id)