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Optimize with double-checked locking for better concurrency

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Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-01-09 10:35:22 +00:00
parent 385867e82b
commit 52f7f3d174
1 changed files with 17 additions and 9 deletions
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proxy/wireguard/server.go
+9 -1
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@@ -83,9 +83,16 @@ func (*Server) Network() []net.Network {
// Process implements proxy.Inbound. // Process implements proxy.Inbound.
func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Connection, dispatcher routing.Dispatcher) error { func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Connection, dispatcher routing.Dispatcher) error {
// Use RWMutex to safely handle concurrent access to routing info // Use double-checked locking to safely handle concurrent access to routing info
// Only update if not set or if dispatcher is different // Only update if not set or if dispatcher is different
// First check without write lock for better concurrency
s.infoMutex.RLock()
needsUpdate := s.info.dispatcher == nil || s.info.dispatcher != dispatcher
s.infoMutex.RUnlock()
if needsUpdate {
s.infoMutex.Lock() s.infoMutex.Lock()
// Double-check after acquiring write lock
if s.info.dispatcher == nil || s.info.dispatcher != dispatcher { if s.info.dispatcher == nil || s.info.dispatcher != dispatcher {
s.info = routingInfo{ s.info = routingInfo{
ctx: ctx, ctx: ctx,
@@ -95,6 +102,7 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Con
} }
} }
s.infoMutex.Unlock() s.infoMutex.Unlock()
}
ep, err := s.bindServer.ParseEndpoint(conn.RemoteAddr().String()) ep, err := s.bindServer.ParseEndpoint(conn.RemoteAddr().String())
if err != nil { if err != nil {