add a new configure item for log_max_files

config/src/comments.rs

@@ -516,6 +516,14 @@ fn comments() -> HashMap<String, String> {
 		.to_string(),
 	);
 
+	retval.insert(
+		"log_max_files".to_string(),
+		"
+#maximum count of the log files to rotate over
+"
+		.to_string(),
+	);
+
 	retval
 }
 

util/src/logger.rs

@@ -124,8 +124,9 @@ pub fn init_logger(config: Option<LoggingConfig>) {
 			let filter = Box::new(ThresholdFilter::new(level_file));
 			let file: Box<dyn Append> = {
 				if let Some(size) = c.log_max_size {
+					let count = c.log_max_files.unwrap_or_else(|| 32);
 					let roller = FixedWindowRoller::builder()
-						.build(&format!("{}.{{}}.gz", c.log_file_path), 32)
+						.build(&format!("{}.{{}}.gz", c.log_file_path), count)
 						.unwrap();
 					let trigger = SizeTrigger::new(size);
 

util/src/types.rs

@@ -46,6 +46,8 @@ pub struct LoggingConfig {
 	pub log_file_append: bool,
 	/// Size of the log in bytes to rotate over (optional)
 	pub log_max_size: Option<u64>,
+	/// Number of the log files to rotate over (optional)
+	pub log_max_files: Option<u32>,
 	/// Whether the tui is running (optional)
 	pub tui_running: Option<bool>,
 }
@@ -60,6 +62,7 @@ impl Default for LoggingConfig {
 			log_file_path: String::from("grin.log"),
 			log_file_append: true,
 			log_max_size: Some(1024 * 1024 * 16), // 16 megabytes default
+			log_max_files: Some(32),              // 32 log files to rotate over by default
 			tui_running: None,
 		}
 	}