more packet introspection from payload

[blank.git] / src / net / Packet.hpp

diff --git a/src/net/Packet.hpp b/src/net/Packet.hpp
index ba078585c0c06dae4ed5ad488b9123dfd7ecbaef..09db0dfd1b0ceb4c69d23eae752d58af8f55a10d 100644 (file)
--- 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>