From: Patrick Donnelly <pdonnell@ibm.com>
Date: Tue, 24 Jun 2025 02:37:16 +0000 (-0400)
Subject: include/encoding: add encoder helpers for sized ints
X-Git-Tag: testing/wip-pdonnell-testing-20260126.152838~48
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=af953bcb67eb9ffb74cec4764a9f66234dd837ad;p=ceph-ci.git

include/encoding: add encoder helpers for sized ints

When the raw type may not match the required encoded size, this helper makes
intent clear and avoids a common verbose pattern:

    intX_t t = val;
    encode(t, bl);

and

    intX_t t;
    decode(t, p);
    val = t;

Signed-off-by: Patrick Donnelly <pdonnell@ibm.com>
---

diff --git a/src/include/encoding.h b/src/include/encoding.h
index d073c1e7c62..ac5a0f41658 100644
--- a/src/include/encoding.h
+++ b/src/include/encoding.h
@@ -23,6 +23,7 @@
 #include <string>
 #include <string_view>
 #include <tuple>
+#include <type_traits>
 #include <optional>
 #include <unordered_map>
 #include <unordered_set>
@@ -208,6 +209,20 @@ WRITE_FLTTYPE_ENCODER(double, uint64_t, le64)
     ENCODE_DUMP_PRE(); c.encode(bl, features); ENCODE_DUMP_POST(cl); }	\
   inline void decode(cl &c, ::ceph::bufferlist::const_iterator &p) { c.decode(p); }
 
+template<typename Int>
+inline void encode_assign(const auto& t, ::ceph::bufferlist& bl, uint64_t features=0)
+{
+  Int i = static_cast<Int>(t);
+  ::encode(i, bl);
+}
+
+template<typename Int>
+inline void decode_assign(auto& t, ::ceph::bufferlist::const_iterator& p)
+{
+  Int i;
+  ::decode(i, p);
+  t = static_cast<std::remove_reference_t<decltype(t)>>(i);
+}
 
 // string
 inline void encode(std::string_view s, bufferlist& bl, uint64_t features=0)