X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Flogger.rs;h=ff576e26ddf4ca485d648c943ad3f36384b30653;hb=65920818db58880f6576fd50c3ea5df273912978;hp=2cf0f13633661a5ae6eed6ed180ddc3978fdaa26;hpb=ec35fe62a12e392ebf2aed90f8f4124ec9c6f7d7;p=rust-lightning

diff --git a/lightning/src/util/logger.rs b/lightning/src/util/logger.rs
index 2cf0f136..ff576e26 100644
--- a/lightning/src/util/logger.rs
+++ b/lightning/src/util/logger.rs
@@ -14,26 +14,29 @@
 //! The second one, client-side by implementing check against Record Level field.
 //! Each module may have its own Logger or share one.
 
-use std::cmp;
-use std::fmt;
+use core::cmp;
+use core::fmt;
 
-static LOG_LEVEL_NAMES: [&'static str; 6] = ["OFF", "ERROR", "WARN", "INFO", "DEBUG", "TRACE"];
+#[cfg(c_bindings)]
+use prelude::*; // Needed for String
+
+static LOG_LEVEL_NAMES: [&'static str; 6] = ["GOSSIP", "TRACE", "DEBUG", "INFO", "WARN", "ERROR"];
 
 /// An enum representing the available verbosity levels of the logger.
 #[derive(Copy, Clone, PartialEq, Eq, Debug, Hash)]
 pub enum Level {
-	///Designates logger being silent
-	Off,
-	/// Designates very serious errors
-	Error,
-	/// Designates hazardous situations
-	Warn,
-	/// Designates useful information
-	Info,
-	/// Designates lower priority information
-	Debug,
+	/// Designates extremely verbose information, including gossip-induced messages
+	Gossip,
 	/// Designates very low priority, often extremely verbose, information
 	Trace,
+	/// Designates lower priority information
+	Debug,
+	/// Designates useful information
+	Info,
+	/// Designates hazardous situations
+	Warn,
+	/// Designates very serious errors
+	Error,
 }
 
 impl PartialOrd for Level {
@@ -80,38 +83,51 @@ impl Level {
 	/// Returns the most verbose logging level.
 	#[inline]
 	pub fn max() -> Level {
-		Level::Trace
+		Level::Gossip
 	}
 }
 
 /// A Record, unit of logging output with Metadata to enable filtering
 /// Module_path, file, line to inform on log's source
-/// (C-not exported) - we convert to a const char* instead
-#[derive(Clone,Debug)]
+#[derive(Clone, Debug)]
 pub struct Record<'a> {
 	/// The verbosity level of the message.
 	pub level: Level,
+	#[cfg(not(c_bindings))]
 	/// The message body.
 	pub args: fmt::Arguments<'a>,
+	#[cfg(c_bindings)]
+	/// The message body.
+	pub args: String,
 	/// The module path of the message.
-	pub module_path: &'a str,
+	pub module_path: &'static str,
 	/// The source file containing the message.
-	pub file: &'a str,
+	pub file: &'static str,
 	/// The line containing the message.
 	pub line: u32,
+
+	#[cfg(c_bindings)]
+	/// We don't actually use the lifetime parameter in C bindings (as there is no good way to
+	/// communicate a lifetime to a C, or worse, Java user).
+	_phantom: core::marker::PhantomData<&'a ()>,
 }
 
 impl<'a> Record<'a> {
 	/// Returns a new Record.
 	/// (C-not exported) as fmt can't be used in C
 	#[inline]
-	pub fn new(level: Level, args: fmt::Arguments<'a>, module_path: &'a str, file: &'a str, line: u32) -> Record<'a> {
+	pub fn new(level: Level, args: fmt::Arguments<'a>, module_path: &'static str, file: &'static str, line: u32) -> Record<'a> {
 		Record {
 			level,
+			#[cfg(not(c_bindings))]
 			args,
+			#[cfg(c_bindings)]
+			args: format!("{}", args),
 			module_path,
 			file,
-			line
+			line,
+			#[cfg(c_bindings)]
+			_phantom: core::marker::PhantomData,
 		}
 	}
 }
@@ -122,11 +138,24 @@ pub trait Logger {
 	fn log(&self, record: &Record);
 }
 
+/// Wrapper for logging byte slices in hex format.
+/// (C-not exported) as fmt can't be used in C
+#[doc(hidden)]
+pub struct DebugBytes<'a>(pub &'a [u8]);
+impl<'a> core::fmt::Display for DebugBytes<'a> {
+	fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
+		for i in self.0 {
+			write!(f, "{:02x}", i)?;
+		}
+		Ok(())
+	}
+}
+
 #[cfg(test)]
 mod tests {
 	use util::logger::{Logger, Level};
 	use util::test_utils::TestLogger;
-	use std::sync::Arc;
+	use sync::Arc;
 
 	#[test]
 	fn test_level_show() {
@@ -152,15 +181,53 @@ mod tests {
 			log_info!(self.logger, "This is an info");
 			log_debug!(self.logger, "This is a debug");
 			log_trace!(self.logger, "This is a trace");
+			log_gossip!(self.logger, "This is a gossip");
 		}
 	}
 
 	#[test]
 	fn test_logging_macros() {
 		let mut logger = TestLogger::new();
-		logger.enable(Level::Trace);
+		logger.enable(Level::Gossip);
 		let logger : Arc<Logger> = Arc::new(logger);
 		let wrapper = WrapperLog::new(Arc::clone(&logger));
 		wrapper.call_macros();
 	}
+
+	#[test]
+	fn test_log_ordering() {
+		assert!(Level::Error > Level::Warn);
+		assert!(Level::Error >= Level::Warn);
+		assert!(Level::Error >= Level::Error);
+		assert!(Level::Warn > Level::Info);
+		assert!(Level::Warn >= Level::Info);
+		assert!(Level::Warn >= Level::Warn);
+		assert!(Level::Info > Level::Debug);
+		assert!(Level::Info >= Level::Debug);
+		assert!(Level::Info >= Level::Info);
+		assert!(Level::Debug > Level::Trace);
+		assert!(Level::Debug >= Level::Trace);
+		assert!(Level::Debug >= Level::Debug);
+		assert!(Level::Trace > Level::Gossip);
+		assert!(Level::Trace >= Level::Gossip);
+		assert!(Level::Trace >= Level::Trace);
+		assert!(Level::Gossip >= Level::Gossip);
+
+		assert!(Level::Error <= Level::Error);
+		assert!(Level::Warn < Level::Error);
+		assert!(Level::Warn <= Level::Error);
+		assert!(Level::Warn <= Level::Warn);
+		assert!(Level::Info < Level::Warn);
+		assert!(Level::Info <= Level::Warn);
+		assert!(Level::Info <= Level::Info);
+		assert!(Level::Debug < Level::Info);
+		assert!(Level::Debug <= Level::Info);
+		assert!(Level::Debug <= Level::Debug);
+		assert!(Level::Trace < Level::Debug);
+		assert!(Level::Trace <= Level::Debug);
+		assert!(Level::Trace <= Level::Trace);
+		assert!(Level::Gossip < Level::Trace);
+		assert!(Level::Gossip <= Level::Trace);
+		assert!(Level::Gossip <= Level::Gossip);
+	}
 }