Remove ctor crate dependency from proxy_agent

proxy_agent/Cargo.toml

@@ -27,7 +27,7 @@ tower = { version = "0.5.2", features = ["full"] }
 tower-http = { version = "0.6.2", features = ["limit"] }
 clap = { version = "4.5.17", features =["derive"] } # Command Line Argument Parser 
 thiserror = "1.0.64"
-ctor = "0.3.6"                # used for test setup and clean up
+libc = "0.2.147"
 
 [dependencies.uuid]
 version = "1.3.0"
@@ -40,7 +40,6 @@ features = [
 sysinfo = "0.30.13"            # read process information for Linux
 aya = "0.13.1"                # linux ebpf program loader
 uzers = "0.12.1"              # get user name
-libc = "0.2.147"              # linux call
 
 [target.'cfg(not(windows))'.dependencies.nix]
 version = "0.29.0"

proxy_agent/src/service.rs

@@ -158,31 +158,3 @@ pub fn stop_service(shared_state: SharedState) {
 
     event_logger::stop();
 }
-
-#[cfg(test)]
-mod tests {
-    use ctor::{ctor, dtor};
-    use proxy_agent_shared::logger::LoggerLevel;
-    use std::env;
-    use std::fs;
-
-    const TEST_LOGGER_KEY: &str = "proxy_agent_test";
-
-    fn get_temp_test_dir() -> std::path::PathBuf {
-        let mut temp_test_path = env::temp_dir();
-        temp_test_path.push(TEST_LOGGER_KEY);
-        temp_test_path
-    }
-
-    #[ctor]
-    fn setup() {
-        // Setup logger_manager for unit tests
-        super::setup_loggers(get_temp_test_dir(), LoggerLevel::Trace);
-    }
-
-    #[dtor]
-    fn cleanup() {
-        // clean up and ignore the clean up errors
-        _ = fs::remove_dir_all(&get_temp_test_dir());
-    }
-}

proxy_agent_shared/Cargo.toml

@@ -18,8 +18,8 @@ regex = "1.11"               # match file name
 thiserror = "1.0.64"
 tokio = { version = "1", features = ["rt", "macros", "sync", "time"] }
 tokio-util = "0.7.11"
+libc = "0.2.147"
 log = { version = "0.4.26", features = ["std"] }
-ctor = "0.3.6"                # used for test setup and clean up
 hex = "0.4.3"                 # hex encode 
 itertools = "0.10.5"          # use to sort iterator elements into a new iterator in ascending order
 http = "1.1.0"

proxy_agent_shared/src/logger/logger_manager.rs

@@ -195,44 +195,51 @@ fn get_max_system_logger_level() -> LoggerLevel {
 mod tests {
     use crate::logger::LoggerLevel;
     use crate::misc_helpers;
-    use ctor::{ctor, dtor};
     use std::env;
     use std::fs;
+    use std::sync::Once;
 
     const TEST_LOGGER_KEY: &str = "logger_manager_test";
+    static TEST_INIT: Once = Once::new();
 
     fn get_temp_test_dir() -> std::path::PathBuf {
         let mut temp_test_path = env::temp_dir();
         temp_test_path.push(TEST_LOGGER_KEY);
         temp_test_path
     }
 
-    #[ctor]
     fn setup() {
-        // Setup logger_manager for unit tests
-        let logger = crate::logger::rolling_logger::RollingLogger::create_new(
-            get_temp_test_dir(),
-            "test.log".to_string(),
-            200,
-            6,
-        );
-        let mut loggers = std::collections::HashMap::new();
-        loggers.insert(TEST_LOGGER_KEY.to_string(), logger);
-        crate::logger::logger_manager::set_loggers(
-            loggers,
-            TEST_LOGGER_KEY.to_string(),
-            LoggerLevel::Trace,
-        );
+        TEST_INIT.call_once(|| {
+            // Setup logger_manager for unit tests
+            let logger = crate::logger::rolling_logger::RollingLogger::create_new(
+                get_temp_test_dir(),
+                "test.log".to_string(),
+                200,
+                6,
+            );
+            let mut loggers = std::collections::HashMap::new();
+            loggers.insert(TEST_LOGGER_KEY.to_string(), logger);
+            crate::logger::logger_manager::set_loggers(
+                loggers,
+                TEST_LOGGER_KEY.to_string(),
+                LoggerLevel::Trace,
+            );
+
+            unsafe {
+                libc::atexit(cleanup);
+            }
+        });
     }
 
-    #[dtor]
-    fn cleanup() {
+    extern "C" fn cleanup() {
         // clean up and ignore the clean up errors
         _ = fs::remove_dir_all(&get_temp_test_dir());
     }
 
     #[test]
     fn logger_manager_test() {
+        setup();
+
         for _ in [0; 20] {
             super::write_log(
                 LoggerLevel::Trace,