upgrade sloggers to v0.3 and use new log rotation/compression features

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "logging"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Jonathan Strong <jonathan.strong@gmail.com>"]
 edition = "2018"
 
@@ -32,7 +32,8 @@ dirs = "1"
 crossbeam-channel = "0.3"
 pretty_toa = "1.0.0"
 
-sloggers = { path = "../sloggers" }
+sloggers = "0.3"
+#sloggers = { path = "../sloggers" }
 
 decimal = { path = "../decimal", version = "2" }
 

src/lib.rs

@@ -64,12 +64,16 @@ pub fn inanos(t: DateTime<Utc>) -> i64 {
 }
 
 //#[cfg(not(any(test, feature = "test")))]
-pub fn file_logger(path: &str, level: Severity) -> slog::Logger {
+pub fn file_logger<P: AsRef<std::path::Path>>(path: P, level: Severity) -> slog::Logger {
     let mut builder = FileLoggerBuilder::new(path);
-    builder.level(level);
-    builder.timezone(TimeZone::Utc);
-    builder.channel_size(CHANNEL_SIZE);
-    builder.build().unwrap()
+    builder.level(level)
+        .timezone(TimeZone::Utc)
+        .channel_size(CHANNEL_SIZE)
+        .rotate_size(1024 * 1024 * 1024)
+        .rotate_keep(1000)
+        .rotate_compress(true)
+        .source_location(sloggers::types::SourceLocation::ModuleAndLine);
+    builder.build().unwrap() // the sloggers impl can't actually fail (v0.3)
 }
 
 pub fn truncating_file_logger(path: &str, level: Severity) -> slog::Logger {