restructurization of logging subsystem

src/logging/types.rs

@@ -0,0 +1,13 @@
+use crate::logging::core::StructuredSystemLog;
+use crate::logging::elasticsearch::ElasticSearch;
+
+pub trait WriteLog {
+    fn writelog(&self, msg: &StructuredSystemLog);
+}
+pub fn sendlog(backend: &str, msg: &StructuredSystemLog) {
+    match backend {
+        "elasticsearch" => ElasticSearch.writelog(msg),
+        "somewhereelse" => println!("somewhereelse"),
+        _ => log::warn!("Unsupported logging mechanism : {}", backend),
+    }
+}