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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package network holds benchmarks around raw network performance.
package network
import (
"context"
"testing"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/harness"
"gvisor.dev/gvisor/test/benchmarks/tools"
)
// runStaticServer runs static serving workloads (httpd, nginx).
func runStaticServer(b *testing.B, h harness.Harness, serverOpts dockerutil.RunOpts, serverCmd []string, port int, hey *tools.Hey, reverse bool) {
ctx := context.Background()
// Get two machines: a client and server.
clientMachine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get machine: %v", err)
}
defer clientMachine.CleanUp()
serverMachine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get machine: %v", err)
}
defer serverMachine.CleanUp()
// Make the containers. 'reverse=true' specifies that the client should use the
// runtime under test.
var client, server *dockerutil.Container
if reverse {
client = clientMachine.GetContainer(ctx, b)
server = serverMachine.GetNativeContainer(ctx, b)
} else {
client = clientMachine.GetNativeContainer(ctx, b)
server = serverMachine.GetContainer(ctx, b)
}
defer client.CleanUp(ctx)
defer server.CleanUp(ctx)
// Start the server.
if err := server.Spawn(ctx, serverOpts, serverCmd...); err != nil {
b.Fatalf("failed to start server: %v", err)
}
// Get its IP.
ip, err := serverMachine.IPAddress()
if err != nil {
b.Fatalf("failed to find server ip: %v", err)
}
// Get the published port.
servingPort, err := server.FindPort(ctx, port)
if err != nil {
b.Fatalf("failed to find server port %d: %v", port, err)
}
// Make sure the server is serving.
harness.WaitUntilServing(ctx, clientMachine, ip, servingPort)
b.ResetTimer()
server.RestartProfiles()
out, err := client.Run(ctx, dockerutil.RunOpts{
Image: "benchmarks/hey",
}, hey.MakeCmd(ip, servingPort)...)
if err != nil {
b.Fatalf("run failed with: %v", err)
}
b.StopTimer()
hey.Report(b, out)
b.StartTimer()
}
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