Replace various #ifdef RB_DEBUG with if constexpr for regression visibility.

include/ircd/json/util.h

@@ -92,9 +92,8 @@ __attribute__((always_inline, gnu_inline, artificial))
 ircd::json::debug_valid_output(const string_view &in,
                                const size_t &expected)
 {
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
 		valid_output(in, expected);
-	#endif
 }
 
 constexpr ircd::json::name_hash_t

ircd/client.cc

@@ -484,14 +484,17 @@ try
 			dock.notify_all();
 	}};
 
-	#ifdef RB_DEBUG
-	util::timer timer;
+	util::timer timer
+	{
+		RB_DEBUG_LEVEL
+	};
+
+	if constexpr(RB_DEBUG_LEVEL)
 		log::debug
 		{
 			log, "%s enter",
 			loghead(*client),
 		};
-	#endif
 
 	if(!client->main())
 	{
@@ -499,7 +502,8 @@ try
 		return;
 	}
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		char buf[64];
 		log::debug
 		{
@@ -507,7 +511,7 @@ try
 			loghead(*client),
 			pretty(buf, timer.at<microseconds>(), true)
 		};
-	#endif
+	}
 
 	client->async();
 }

ircd/db.cc

@@ -4405,13 +4405,12 @@ ircd::db::throw_on_error::throw_on_error(const rocksdb::Status &status)
 		case Status::kNotFound:
 			throw not_found{};
 
-		#ifdef RB_DEBUG
 		//case Status::kCorruption:
 		case Status::kNotSupported:
 		case Status::kInvalidArgument:
+			if constexpr(RB_DEBUG_LEVEL)
 				debugtrap();
 			[[fallthrough]];
-		#endif
 
 		[[unlikely]]
 		default:
@@ -4556,9 +4555,10 @@ ircd::db::commit(database &d,
                  rocksdb::WriteBatch &batch,
                  const rocksdb::WriteOptions &opts)
 {
-	#ifdef RB_DEBUG
-	ircd::timer timer;
-	#endif
+	ircd::timer timer
+	{
+		RB_DEBUG_LEVEL
+	};
 
 	const std::lock_guard lock{d.write_mutex};
 	const ctx::uninterruptible ui;
@@ -4568,7 +4568,8 @@ ircd::db::commit(database &d,
 		d.d->Write(opts, &batch)
 	};
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		char dbuf[192];
 		log::debug
 		{
@@ -4578,7 +4579,7 @@ ircd::db::commit(database &d,
 			debug(dbuf, batch),
 			timer.at<microseconds>().count()
 		};
-	#endif
+	}
 }
 
 ircd::string_view

ircd/db_database.cc

@@ -1042,9 +1042,8 @@ try
 	opts->stats_dump_period_sec = 0; // Disable noise
 	opts->statistics = this->stats;
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
 		opts->dump_malloc_stats = true;
-	#endif
 
 	// Disables the timer to delete unused files; this operation occurs
 	// instead with our compaction operations so we don't need to complicate.

ircd/fs.cc

@@ -273,7 +273,8 @@ ircd::fs::support::dump_info()
 		support
 	};
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		const unique_mutable_buffer buf
 		{
 			PATH_MAX_LEN + 1
@@ -281,9 +282,10 @@ ircd::fs::support::dump_info()
 
 		log::debug
 		{
-		log, "Current working directory: `%s'", cwd(buf)
+			log, "Current working directory: `%s'",
+			cwd(buf)
 		};
-	#endif
+	}
 }
 
 bool

ircd/info.cc

@@ -933,7 +933,6 @@ ircd::info::dump_sys_info()
 	fs::support::dump_info();
 
 	// Additional detected system parameters
-	//#ifdef RB_DEBUG
 	char buf[2][48];
 	log::logf
 	{
@@ -948,7 +947,6 @@ ircd::info::dump_sys_info()
 		between(thp_enable, '[', ']'),
 		thp_size,
 	};
-	//#endif
 }
 
 #ifdef HAVE_SYS_UTSNAME_H

ircd/mods_ldso.cc

@@ -416,6 +416,7 @@ ircd_dl_signal_exception(int errcode,
 //
 #ifdef HAVE_DLFCN_H
 #ifdef IRCD_MODS_HOOK_DLSYM
+#define RB_DEBUG_MODS_HOOK_DLSYM 0
 
 extern "C" void *
 __libc_dlsym(void *, const char *);
@@ -424,14 +425,13 @@ extern "C" void *
 dlsym(void *const handle,
       const char *const symbol)
 {
-	#ifdef RB_DEBUG_MODS_HOOK_DLSYM
+	if constexpr(RB_DEBUG_MODS_HOOK_DLSYM)
 		ircd::log::debug
 		{
 			ircd::mods::log, "handle:%p symbol lookup '%s'",
 			handle,
 			symbol
 		};
-	#endif
 
 	return __libc_dlsym(handle, symbol);
 }

ircd/net.cc

@@ -2420,7 +2420,8 @@ noexcept try
 	if(timedout && ec == errc::operation_canceled)
 		ec = make_error_code(errc::timed_out);
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		const auto *const current_cipher
 		{
 			!ec?
@@ -2438,7 +2439,7 @@ noexcept try
 				"<NO CIPHER>"_sv,
 			string(ecbuf, ec)
 		};
-	#endif
+	}
 
 	// Toggles the behavior of non-async functions; see func comment
 	if(!ec)
@@ -2608,7 +2609,8 @@ noexcept try
 		}
 	}
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		thread_local char buf[16_KiB];
 		const critical_assertion ca;
 		log::debug
@@ -2617,7 +2619,7 @@ noexcept try
 			common_name(opts),
 			openssl::print_subject(buf, cert)
 		};
-	#endif
+	}
 
 	return true;
 }

ircd/net_listener.cc

@@ -726,7 +726,8 @@ noexcept try
 	assert(it != end(handshaking));
 	assert(openssl::get_app_data(*sock) == sock.get());
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		const auto *const current_cipher
 		{
 			!ec?
@@ -747,7 +748,7 @@ noexcept try
 				"<NO CIPHER>"_sv,
 			string(ecbuf, ec)
 		};
-	#endif
+	}
 
 	handshaking.erase(it);
 	openssl::set_app_data(*sock, nullptr);

ircd/resource.cc

@@ -1361,7 +1361,8 @@ ircd::resource::response::response(client &client,
 		eptr = std::current_exception();
 	}
 
-	#ifdef RB_DEBUG
+	if constexpr(RB_DEBUG_LEVEL)
+	{
 		const log::level level
 		{
 			http::severity(http::category(code))
@@ -1386,7 +1387,7 @@ ircd::resource::response::response(client &client,
 				string_view{},
 			what(eptr)
 		};
-	#endif
+	}
 
 	if(unlikely(eptr))
 		std::rethrow_exception(eptr);