add bps limiter (#1015)

* add token bucket
* remove quinn-proto

easytier/src/common/global_ctx.rs

@@ -5,6 +5,7 @@ use std::{
 };
 
 use crate::common::config::ProxyNetworkConfig;
+use crate::common::token_bucket::TokenBucketManager;
 use crate::proto::cli::PeerConnInfo;
 use crate::proto::common::{PeerFeatureFlag, PortForwardConfigPb};
 use crossbeam::atomic::AtomicCell;
@@ -77,6 +78,8 @@ pub struct GlobalCtx {
     feature_flags: AtomicCell<PeerFeatureFlag>,
 
     quic_proxy_port: AtomicCell<Option<u16>>,
+
+    token_bucket_manager: TokenBucketManager,
 }
 
 impl std::fmt::Debug for GlobalCtx {
@@ -140,6 +143,8 @@ impl GlobalCtx {
 
             feature_flags: AtomicCell::new(feature_flags),
             quic_proxy_port: AtomicCell::new(None),
+
+            token_bucket_manager: TokenBucketManager::new(),
         }
     }
 
@@ -292,6 +297,10 @@ impl GlobalCtx {
     pub fn set_quic_proxy_port(&self, port: Option<u16>) {
         self.quic_proxy_port.store(port);
     }
+
+    pub fn token_bucket_manager(&self) -> &TokenBucketManager {
+        &self.token_bucket_manager
+    }
 }
 
 #[cfg(test)]