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/config/src/constants/app.rs

@@ -170,6 +170,11 @@ pub const DEFAULT_LOG_KEEP_FILES: u16 = 30;
 /// Example: --external-address ":9020"
 pub const ENV_EXTERNAL_ADDRESS: &str = "RUSTFS_EXTERNAL_ADDRESS";
 
+/// 1 KiB
+pub const KI_B: usize = 1024;
+/// 1 MiB
+pub const MI_B: usize = 1024 * 1024;
+
 #[cfg(test)]
 mod tests {
     use super::*;

crates/config/src/constants/mod.rs

@@ -15,5 +15,6 @@
 pub(crate) mod app;
 pub(crate) mod console;
 pub(crate) mod env;
+pub(crate) mod runtime;
 pub(crate) mod targets;
 pub(crate) mod tls;

crates/config/src/constants/runtime.rs

@@ -0,0 +1,35 @@
+//  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 crate::MI_B;
+
+// Tokio runtime ENV keys
+pub const ENV_WORKER_THREADS: &str = "RUSTFS_RUNTIME_WORKER_THREADS";
+pub const ENV_MAX_BLOCKING_THREADS: &str = "RUSTFS_RUNTIME_MAX_BLOCKING_THREADS";
+pub const ENV_THREAD_PRINT_ENABLED: &str = "RUSTFS_RUNTIME_THREAD_PRINT_ENABLED";
+pub const ENV_THREAD_STACK_SIZE: &str = "RUSTFS_RUNTIME_THREAD_STACK_SIZE";
+pub const ENV_THREAD_KEEP_ALIVE: &str = "RUSTFS_RUNTIME_THREAD_KEEP_ALIVE";
+pub const ENV_GLOBAL_QUEUE_INTERVAL: &str = "RUSTFS_RUNTIME_GLOBAL_QUEUE_INTERVAL";
+pub const ENV_THREAD_NAME: &str = "RUSTFS_RUNTIME_THREAD_NAME";
+pub const ENV_RNG_SEED: &str = "RUSTFS_RUNTIME_RNG_SEED";
+
+// Default values for Tokio runtime
+pub const DEFAULT_WORKER_THREADS: usize = 16;
+pub const DEFAULT_MAX_BLOCKING_THREADS: usize = 1024;
+pub const DEFAULT_THREAD_PRINT_ENABLED: bool = false;
+pub const DEFAULT_THREAD_STACK_SIZE: usize = MI_B; // 1 MiB
+pub const DEFAULT_THREAD_KEEP_ALIVE: u64 = 60; // seconds
+pub const DEFAULT_GLOBAL_QUEUE_INTERVAL: u32 = 31;
+pub const DEFAULT_THREAD_NAME: &str = "rustfs-worker";
+pub const DEFAULT_RNG_SEED: Option<u64> = None; // None means random

crates/config/src/lib.rs

@@ -21,6 +21,8 @@ pub use constants::console::*;
 #[cfg(feature = "constants")]
 pub use constants::env::*;
 #[cfg(feature = "constants")]
+pub use constants::runtime::*;
+#[cfg(feature = "constants")]
 pub use constants::targets::*;
 #[cfg(feature = "constants")]
 pub use constants::tls::*;