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Fix limiters

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This commit is contained in:
Shtorm
2026-08-08 10:11:10 +03:00
parent 6c81ddd00f
commit 3310474137
4 changed files with 77 additions and 19 deletions
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37
protocol/limiter/traffic/strategy.go
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@@ -2,6 +2,7 @@ package traffic
import (
"context"
"io"
"net"
"sync"
@@ -37,11 +38,11 @@ func NewDefaultWrapStrategy(limiterStrategy TrafficLimiterStrategy, connWrapper
func (s *DefaultWrapStrategy) wrapConn(ctx context.Context, conn net.Conn, metadata *adapter.InboundContext, reverse bool) (net.Conn, error) {
limiter, err := s.limiterStrategy.getLimiter(ctx, metadata)
if err != nil {
return conn, err
return nil, err
}
_, err = limiter.Reserve(0)
if err != nil {
return conn, err
return nil, err
}
return s.connWrapper(ctx, conn, limiter, reverse), nil
}
@@ -49,11 +50,11 @@ func (s *DefaultWrapStrategy) wrapConn(ctx context.Context, conn net.Conn, metad
func (s *DefaultWrapStrategy) wrapPacketConn(ctx context.Context, conn net.PacketConn, metadata *adapter.InboundContext, reverse bool) (net.PacketConn, error) {
limiter, err := s.limiterStrategy.getLimiter(ctx, metadata)
if err != nil {
return conn, err
return nil, err
}
_, err = limiter.Reserve(0)
if err != nil {
return conn, err
return nil, err
}
return s.packetConnWrapper(ctx, conn, limiter, reverse), nil
}
@@ -73,7 +74,7 @@ func (s *GlobalTrafficStrategy) getLimiter(ctx context.Context, metadata *adapte
}
type connEntry struct {
conn net.Conn
conn io.Closer
}
type ManagerTrafficStrategy struct {
@@ -94,7 +95,7 @@ func (s *ManagerTrafficStrategy) wrapConn(ctx context.Context, conn net.Conn, me
if err != nil {
return nil, err
}
wrapped, err := strategy.wrapConn(ctx, conn, metadata, reverse)
wrappedConn, err := strategy.wrapConn(ctx, conn, metadata, reverse)
if err != nil {
return nil, err
}
@@ -102,7 +103,7 @@ func (s *ManagerTrafficStrategy) wrapConn(ctx context.Context, conn net.Conn, me
s.mtx.Lock()
s.conns[user] = append(s.conns[user], entry)
s.mtx.Unlock()
return onclose.NewConn(wrapped, func() {
return onclose.NewConn(wrappedConn, func() {
s.mtx.Lock()
entries := s.conns[user]
for i, e := range entries {
@@ -116,11 +117,29 @@ func (s *ManagerTrafficStrategy) wrapConn(ctx context.Context, conn net.Conn, me
}
func (s *ManagerTrafficStrategy) wrapPacketConn(ctx context.Context, conn net.PacketConn, metadata *adapter.InboundContext, reverse bool) (net.PacketConn, error) {
strategy, _, err := s.getStrategy(ctx, metadata)
strategy, user, err := s.getStrategy(ctx, metadata)
if err != nil {
return nil, err
}
return strategy.wrapPacketConn(ctx, conn, metadata, reverse)
wrappedConn, err := strategy.wrapPacketConn(ctx, conn, metadata, reverse)
if err != nil {
return nil, err
}
entry := &connEntry{conn: conn}
s.mtx.Lock()
s.conns[user] = append(s.conns[user], entry)
s.mtx.Unlock()
return onclose.NewPacketConn(wrappedConn, func() {
s.mtx.Lock()
entries := s.conns[user]
for i, e := range entries {
if e == entry {
s.conns[user] = append(entries[:i], entries[i+1:]...)
break
}
}
s.mtx.Unlock()
}), nil
}
func (s *ManagerTrafficStrategy) getStrategy(ctx context.Context, metadata *adapter.InboundContext) (TrafficStrategy, string, error) {