Fix Tokio Runtime Initialization: Remove Private API Usage and Ensure IO Enabled (#587)

* fix: remove code

* improve code for tokio runtime config

* improve code for main

* fix: add tokio enable_all

* upgrade version

* improve for Cargo.toml

crates/utils/src/lib.rs

@@ -77,5 +77,11 @@ mod notify;
 #[cfg(feature = "sys")]
 pub mod sys;
 
+#[cfg(feature = "sys")]
+pub use sys::user_agent::*;
+
+#[cfg(feature = "sys")]
+pub use sys::envs::*;
+
 #[cfg(feature = "notify")]
 pub use notify::*;

crates/utils/src/sys/envs.rs

@@ -0,0 +1,42 @@
+//  Copyright 2024 RustFS Team
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+use std::env;
+
+pub fn get_env_usize(key: &str, default: usize) -> usize {
+    env::var(key).ok().and_then(|v| v.parse().ok()).unwrap_or(default)
+}
+pub fn get_env_u64(key: &str, default: u64) -> u64 {
+    env::var(key).ok().and_then(|v| v.parse().ok()).unwrap_or(default)
+}
+pub fn get_env_u32(key: &str, default: u32) -> u32 {
+    env::var(key).ok().and_then(|v| v.parse().ok()).unwrap_or(default)
+}
+pub fn get_env_str(key: &str, default: &str) -> String {
+    env::var(key).unwrap_or_else(|_| default.to_string())
+}
+pub fn get_env_opt_u64(key: &str) -> Option<u64> {
+    env::var(key).ok().and_then(|v| v.parse().ok())
+}
+
+pub fn get_env_bool(key: &str, default: bool) -> bool {
+    env::var(key)
+        .ok()
+        .and_then(|v| match v.to_lowercase().as_str() {
+            "1" | "true" | "yes" => Some(true),
+            "0" | "false" | "no" => Some(false),
+            _ => None,
+        })
+        .unwrap_or(default)
+}

crates/utils/src/sys/mod.rs

@@ -12,7 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-mod user_agent;
-
-pub use user_agent::ServiceType;
-pub use user_agent::get_user_agent;
+pub(crate) mod envs;
+pub(crate) mod user_agent;