libstore: add CommonProto code for bool/unsigned/uint64_t

we will need these very soon to make the daemon wires more rpc-like.

Change-Id: Ib54acdff0899d70a4c9b1d00c144932c37fdff91

lix/libstore/common-protocol.cc

@@ -10,6 +10,38 @@ namespace nix {
 
 /* protocol-agnostic definitions */
 
+bool CommonProto::Serialise<bool>::read(CommonProto::ReadConn conn)
+{
+    return readNum<uint64_t>(conn.from);
+}
+
+WireFormatGenerator CommonProto::Serialise<bool>::write(CommonProto::WriteConn conn, const bool & b)
+{
+    co_yield b;
+}
+
+unsigned CommonProto::Serialise<unsigned>::read(CommonProto::ReadConn conn)
+{
+    return readNum<unsigned>(conn.from);
+}
+
+WireFormatGenerator
+CommonProto::Serialise<unsigned>::write(CommonProto::WriteConn conn, const unsigned & u)
+{
+    co_yield u;
+}
+
+uint64_t CommonProto::Serialise<uint64_t>::read(CommonProto::ReadConn conn)
+{
+    return readNum<uint64_t>(conn.from);
+}
+
+WireFormatGenerator
+CommonProto::Serialise<uint64_t>::write(CommonProto::WriteConn conn, const uint64_t & u)
+{
+    co_yield u;
+}
+
 std::string CommonProto::Serialise<std::string>::read(CommonProto::ReadConn conn)
 {
     return readString(conn.from);

lix/libstore/common-protocol.hh

@@ -63,6 +63,12 @@ struct CommonProto
         [[nodiscard]] static WireFormatGenerator write(CommonProto::WriteConn conn, const T & str); \
     }
 
+template<>
+DECLARE_COMMON_SERIALISER(bool);
+template<>
+DECLARE_COMMON_SERIALISER(unsigned);
+template<>
+DECLARE_COMMON_SERIALISER(uint64_t);
 template<>
 DECLARE_COMMON_SERIALISER(std::string);
 template<>