update github.com/pires/go-proxyproto to v0.5.0

test/e2e/features/bandwidth_limit.go

@@ -0,0 +1,47 @@
+package features
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/fatedier/frp/test/e2e/framework"
+	"github.com/fatedier/frp/test/e2e/framework/consts"
+	"github.com/fatedier/frp/test/e2e/mock/server/streamserver"
+	"github.com/fatedier/frp/test/e2e/pkg/request"
+
+	. "github.com/onsi/ginkgo"
+)
+
+var _ = Describe("[Feature: Bandwidth Limit]", func() {
+	f := framework.NewDefaultFramework()
+
+	It("Proxy Bandwidth Limit", func() {
+		serverConf := consts.DefaultServerConfig
+		clientConf := consts.DefaultClientConfig
+
+		localPort := f.AllocPort()
+		localServer := streamserver.New(streamserver.TCP, streamserver.WithBindPort(localPort))
+		f.RunServer("", localServer)
+
+		remotePort := f.AllocPort()
+		clientConf += fmt.Sprintf(`
+			[tcp]
+			type = tcp
+			local_port = %d
+			remote_port = %d
+			bandwidth_limit = 10KB
+			`, localPort, remotePort)
+
+		f.RunProcesses([]string{serverConf}, []string{clientConf})
+
+		content := strings.Repeat("a", 50*1024) // 5KB
+		start := time.Now()
+		framework.NewRequestExpect(f).Port(remotePort).RequestModify(func(r *request.Request) {
+			r.Body([]byte(content)).Timeout(30 * time.Second)
+		}).ExpectResp([]byte(content)).Ensure()
+		duration := time.Now().Sub(start)
+
+		framework.ExpectTrue(duration.Seconds() > 7, "100Kb with 10KB limit, want > 7 seconds, but got %d seconds", duration.Seconds())
+	})
+})