nghttpx: Convert shrpx_cookie_secure to enum class

src/shrpx_config.cc

@@ -927,11 +927,11 @@ int parse_downstream_params(DownstreamParams &out,
     } else if (util::istarts_with_l(param, "affinity-cookie-secure=")) {
       auto valstr = StringRef{first + str_size("affinity-cookie-secure="), end};
       if (util::strieq_l("auto", valstr)) {
-        out.affinity.cookie.secure = COOKIE_SECURE_AUTO;
+        out.affinity.cookie.secure = SessionAffinityCookieSecure::AUTO;
       } else if (util::strieq_l("yes", valstr)) {
-        out.affinity.cookie.secure = COOKIE_SECURE_YES;
+        out.affinity.cookie.secure = SessionAffinityCookieSecure::YES;
       } else if (util::strieq_l("no", valstr)) {
-        out.affinity.cookie.secure = COOKIE_SECURE_NO;
+        out.affinity.cookie.secure = SessionAffinityCookieSecure::NO;
       } else {
         LOG(ERROR) << "backend: affinity-cookie-secure: value must be one of "
                       "auto, yes, and no";

src/shrpx_config.h

@@ -378,14 +378,14 @@ enum class SessionAffinity {
   COOKIE,
 };
 
-enum shrpx_cookie_secure {
+enum class SessionAffinityCookieSecure {
   // Secure attribute of session affinity cookie is determined by the
   // request scheme.
-  COOKIE_SECURE_AUTO,
+  AUTO,
   // Secure attribute of session affinity cookie is always set.
-  COOKIE_SECURE_YES,
+  YES,
   // Secure attribute of session affinity cookie is always unset.
-  COOKIE_SECURE_NO,
+  NO,
 };
 
 struct AffinityConfig {
@@ -397,7 +397,7 @@ struct AffinityConfig {
     // Path which a cookie is applied to.
     StringRef path;
     // Secure attribute
-    shrpx_cookie_secure secure;
+    SessionAffinityCookieSecure secure;
   } cookie;
 };
 

src/shrpx_http.cc

@@ -199,12 +199,12 @@ StringRef create_affinity_cookie(BlockAllocator &balloc, const StringRef &name,
   return StringRef{iov.base, p};
 }
 
-bool require_cookie_secure_attribute(shrpx_cookie_secure secure,
+bool require_cookie_secure_attribute(SessionAffinityCookieSecure secure,
                                      const StringRef &scheme) {
   switch (secure) {
-  case COOKIE_SECURE_AUTO:
+  case SessionAffinityCookieSecure::AUTO:
     return scheme == "https";
-  case COOKIE_SECURE_YES:
+  case SessionAffinityCookieSecure::YES:
     return true;
   default:
     return false;

src/shrpx_http.h

@@ -76,7 +76,7 @@ StringRef create_affinity_cookie(BlockAllocator &balloc, const StringRef &name,
 
 // Returns true if |secure| indicates that Secure attribute should be
 // set.
-bool require_cookie_secure_attribute(shrpx_cookie_secure secure,
+bool require_cookie_secure_attribute(SessionAffinityCookieSecure secure,
                                      const StringRef &scheme);
 
 } // namespace http

src/shrpx_worker.cc

@@ -77,8 +77,8 @@ DownstreamAddrGroup::~DownstreamAddrGroup() {}
 using DownstreamKey =
     std::tuple<std::vector<std::tuple<StringRef, StringRef, size_t, size_t,
                                       Proto, uint16_t, bool, bool, bool, bool>>,
-               bool, SessionAffinity, StringRef, StringRef, int, int64_t,
-               int64_t>;
+               bool, SessionAffinity, StringRef, StringRef,
+               SessionAffinityCookieSecure, int64_t, int64_t>;
 
 namespace {
 DownstreamKey create_downstream_key(