From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Thu, 17 Sep 2015 20:20:00 +0000 (+0200)
Subject: more packet introspection from payload
X-Git-Url: http://git.localhorst.tv/?a=commitdiff_plain;ds=sidebyside;h=81337cf6dac779222131b5e2843a11ac898bb495;p=blank.git

more packet introspection from payload

or is that "extrospection"? ^^
---

diff --git a/src/net/Packet.hpp b/src/net/Packet.hpp
index ba07858..09db0df 100644
--- a/src/net/Packet.hpp
+++ b/src/net/Packet.hpp
@@ -55,8 +55,16 @@ struct Packet {
 		std::size_t length;
 		std::uint8_t *data;
 
+		/// WARNING: do not use these if the data doesn not
+		///          point into a real packet's payload
+		const Packet &GetPacket() const noexcept {
+			return *reinterpret_cast<const Packet *>(data - sizeof(Header));
+		}
+		const Header &GetHeader() const noexcept {
+			return GetPacket().header;
+		}
 		std::uint16_t Seq() const noexcept {
-			return reinterpret_cast<const Packet *>(data - sizeof(Header))->header.ctrl.seq;
+			return GetHeader().ctrl.seq;
 		}
 
 		template<class T>