From adcad744527d75accf778cc71dbbd5dc10039a87 Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Mon, 2 May 2022 16:47:48 +0800
Subject: [PATCH] refactor: provider init order

---
 adapter/provider/vehicle.go |  2 +-
 hub/executor/executor.go    | 24 ++++++++++++++++++++----
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/adapter/provider/vehicle.go b/adapter/provider/vehicle.go
index 30282d82..289ab3a0 100644
--- a/adapter/provider/vehicle.go
+++ b/adapter/provider/vehicle.go
@@ -73,7 +73,7 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 	transport := &http.Transport{
 		// from http.DefaultTransport
 		MaxIdleConns:          100,
-		IdleConnTimeout:       90 * time.Second,
+		IdleConnTimeout:       30 * time.Second,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
 		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
diff --git a/hub/executor/executor.go b/hub/executor/executor.go
index 54faccb1..2fe8d09d 100644
--- a/hub/executor/executor.go
+++ b/hub/executor/executor.go
@@ -203,15 +203,31 @@ func loadProvider(pv provider.Provider) {
 }
 
 func loadRuleProvider(ruleProviders map[string]provider.RuleProvider) {
+	wg := sync.WaitGroup{}
 	for _, ruleProvider := range ruleProviders {
-		loadProvider(ruleProvider)
+		ruleProvider := ruleProvider
+		wg.Add(1)
+		go func() {
+			defer func() { wg.Done() }()
+			loadProvider(ruleProvider)
+		}()
 	}
+
+	wg.Wait()
 }
 
-func loadProxyProvider(ruleProviders map[string]provider.ProxyProvider) {
-	for _, ruleProvider := range ruleProviders {
-		loadProvider(ruleProvider)
+func loadProxyProvider(proxyProviders map[string]provider.ProxyProvider) {
+	wg := sync.WaitGroup{}
+	for _, proxyProvider := range proxyProviders {
+		proxyProvider := proxyProvider
+		wg.Add(1)
+		go func() {
+			defer func() { wg.Done() }()
+			loadProvider(proxyProvider)
+		}()
 	}
+
+	wg.Wait()
 }
 
 func updateTun(tun *config.Tun, dns *config.DNS) {