Allow logging to specify an explicit log level instead of a macro

[rust-lightning] / lightning / src / util / macro_logger.rs

diff --git a/lightning/src/util/macro_logger.rs b/lightning/src/util/macro_logger.rs
index c4630c638c7568aa5a2d9bbfc6835985a4260866..3ac294fbff9097686d4d28df669bcab76c402f5e 100644 (file)
--- a/lightning/src/util/macro_logger.rs
+++ b/lightning/src/util/macro_logger.rs
@@ -164,33 +164,53 @@ macro_rules! log_internal {
        );
 }
 
+/// Logs an entry at the given level.
+#[macro_export]
+macro_rules! log_given_level {
+       ($logger: expr, $lvl:expr, $($arg:tt)+) => (
+               match $lvl {
+                       #[cfg(not(any(feature = "max_level_off")))]
+                       $crate::util::logger::Level::Error => log_internal!($logger, $lvl, $($arg)*),
+                       #[cfg(not(any(feature = "max_level_off", feature = "max_level_error")))]
+                       $crate::util::logger::Level::Warn => log_internal!($logger, $lvl, $($arg)*),
+                       #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn")))]
+                       $crate::util::logger::Level::Info => log_internal!($logger, $lvl, $($arg)*),
+                       #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info")))]
+                       $crate::util::logger::Level::Debug => log_internal!($logger, $lvl, $($arg)*),
+                       #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug")))]
+                       $crate::util::logger::Level::Trace => log_internal!($logger, $lvl, $($arg)*),
+
+                       #[cfg(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug"))]
+                       _ => {
+                               // The level is disabled at compile-time
+                       },
+               }
+       );
+}
+
 /// Log an error.
 #[macro_export]
 macro_rules! log_error {
        ($logger: expr, $($arg:tt)*) => (
-               #[cfg(not(any(feature = "max_level_off")))]
-               log_internal!($logger, $crate::util::logger::Level::Error, $($arg)*);
+               log_given_level!($logger, $crate::util::logger::Level::Error, $($arg)*);
        )
 }
 
 macro_rules! log_warn {
        ($logger: expr, $($arg:tt)*) => (
-               #[cfg(not(any(feature = "max_level_off", feature = "max_level_error")))]
-               log_internal!($logger, $crate::util::logger::Level::Warn, $($arg)*);
+               log_given_level!($logger, $crate::util::logger::Level::Warn, $($arg)*);
        )
 }
 
 macro_rules! log_info {
        ($logger: expr, $($arg:tt)*) => (
-               #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn")))]
-               log_internal!($logger, $crate::util::logger::Level::Info, $($arg)*);
+               log_given_level!($logger, $crate::util::logger::Level::Info, $($arg)*);
        )
 }
 
 macro_rules! log_debug {
        ($logger: expr, $($arg:tt)*) => (
-               #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info")))]
-               log_internal!($logger, $crate::util::logger::Level::Debug, $($arg)*);
+               log_given_level!($logger, $crate::util::logger::Level::Debug, $($arg)*);
        )
 }
 
@@ -198,7 +218,6 @@ macro_rules! log_debug {
 #[macro_export]
 macro_rules! log_trace {
        ($logger: expr, $($arg:tt)*) => (
-               #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug")))]
-               log_internal!($logger, $crate::util::logger::Level::Trace, $($arg)*);
+               log_given_level!($logger, $crate::util::logger::Level::Trace, $($arg)*);
        )
 }