diff --git a/src/lib/event.rs b/src/lib/event.rs
new file mode 100644
index 0000000..acd46e9
--- /dev/null
+++ b/src/lib/event.rs
@@ -0,0 +1,31 @@
+///
+
+
+trait Eventable {
+	key() -> 
+}
+
+struct EventManager<Events> {}
+
+impl<Events> EventManager<Events> {
+	fn new() -> Self {
+		EventManager {}
+	}
+
+	fn on(&mut self, event: E, callback: dyn Fn(E)) {
+		//
+	}
+
+	fn send(&self, event: E) {}
+}
+
+fn test() {
+	enum Events {
+		A,
+		B(i32),
+		C(f64),
+	}
+
+	let event_manager = EventManager::new::<Events>();
+	event_manager.on(Events::A, || {})
+}
diff --git a/src/lib/harsh.rs b/src/lib/harsh.rs
index 92b6bda..2f7dbb0 100644
--- a/src/lib/harsh.rs
+++ b/src/lib/harsh.rs
@@ -1,6 +1,6 @@
 use super::config::Configuration;
 use super::database::DbManager;
-use super::http::serve;
+use super::http::HttpManager;
 use super::log::Logger;
 
 ///
@@ -8,7 +8,26 @@ use super::log::Logger;
 ///
 pub fn main() {
 	let configuration = Configuration::read();
-	Logger::configure(&configuration);
-	let mut db_manager = DbManager::new(&configuration);
-	serve(&configuration, &mut db_manager);
+}
+
+pub struct Harsh {
+	db_manager: DbManager,
+	logger: Logger,
+	http_manager: HttpManager,
+}
+
+impl Harsh {
+	pub fn new(configuration: Configuration) -> Self {
+		let db_manager = DbManager::new(&configuration);
+		let logger = Logger::new(&configuration);
+		let http_manager = HttpManager::new();
+
+		Harsh {
+			logger,
+			db_manager,
+			http_manager,
+		}
+	}
+
+	fn serve(&mut self) {}
 }
diff --git a/src/lib/http.rs b/src/lib/http.rs
index 5da81d1..ebdca62 100644
--- a/src/lib/http.rs
+++ b/src/lib/http.rs
@@ -2,8 +2,19 @@ use super::config::Configuration;
 use super::database::DbManager;
 
 ///
-/// listen for and handle received requests
+/// listen for incoming requests and handle both incoming and outgoing requests
 ///
-pub fn serve(_config: &Configuration, _db_manager: &mut DbManager) {
-	todo!()
+pub struct HttpManager {
+	//
+}
+
+impl HttpManager {
+	pub fn new() -> Self {
+		HttpManager {}
+	}
+
+	/// listen for and handle received requests
+	pub fn serve(_config: &Configuration, _db_manager: &mut DbManager) {
+		todo!()
+	}
 }
diff --git a/src/lib/log.rs b/src/lib/log.rs
index a8e5884..c889214 100644
--- a/src/lib/log.rs
+++ b/src/lib/log.rs
@@ -1,59 +1,39 @@
-use std::cell::RefCell;
-
 use super::config::Configuration;
 use chrono::prelude::*;
 use colored::Colorize;
 
 ///
-/// a static custom logger
+/// configurable structure with methods to log informations in different ways
 ///
 pub struct Logger {
 	//
 }
 
-/// static Logger instance
-pub const LOGGER: RefCell<Logger> = RefCell::new(Logger {});
-
 impl Logger {
 	/// adapt the static instance according to parameters specified by the configuration
-	pub fn configure(_config: &Configuration) {
-		let refcell = LOGGER;
-		let _logger = refcell.try_borrow_mut().unwrap();
-		todo!()
+	pub fn new(_config: &Configuration) -> Self {
+		Logger {}
 	}
 
-	fn log_info(&self, msg: String) {
+	pub fn info(&self, msg: String) {
 		let tag_section = "[info]".blue();
-		println!("{} {} {}", time_section(), tag_section, msg);
+		println!("{} {} {}", time_segment(), tag_section, msg);
 	}
 
-	fn log_warn(&self, msg: String) {
+	pub fn warn(&self, msg: String) {
 		let tag_section = "[warn]".yellow();
-		println!("{} {} {}", time_section(), tag_section, msg);
+		println!("{} {} {}", time_segment(), tag_section, msg);
 	}
 
-	fn log_fail(&self, msg: String) {
+	pub fn fail(&self, msg: String) {
 		let tag_section = "[fail]".red();
-		println!("{} {} {}", time_section(), tag_section, msg);
+		println!("{} {} {}", time_segment(), tag_section, msg);
 	}
 }
 
-fn time_section() -> String {
+/// make the time segment of a log
+fn time_segment() -> String {
 	let now = Local::now();
 	let result = now.format("[%Y.%m.%d-%H:%M:%S]").to_string();
 	result
 }
-
-pub mod shorthands {
-	pub fn log_info(msg: String) {
-		super::LOGGER.try_borrow().unwrap().log_info(msg);
-	}
-
-	pub fn log_warn(msg: String) {
-		super::LOGGER.try_borrow().unwrap().log_warn(msg);
-	}
-
-	pub fn log_fail(msg: String) {
-		super::LOGGER.try_borrow().unwrap().log_fail(msg);
-	}
-}
diff --git a/src/lib/mod.rs b/src/lib/mod.rs
index 4091b14..c0f56db 100644
--- a/src/lib/mod.rs
+++ b/src/lib/mod.rs
@@ -1,5 +1,6 @@
 pub mod config;
 pub mod database;
+pub mod event;
 pub mod harsh;
 pub mod http;
 pub mod log;