39b0b1a1a6
Most of these changes are related to the Go 1.13 changes to test binary flag handling. * cmd/geth: make attach tests more reliable This makes the test wait for the endpoint to come up by polling it instead of waiting for two seconds. * tests: fix test binary flags for Go 1.13 Calling flag.Parse during package initialization is prohibited as of Go 1.13 and causes test failures. Call it in TestMain instead. * crypto/ecies: remove useless -dump flag in tests * p2p/simulations: fix test binary flags for Go 1.13 Calling flag.Parse during package initialization is prohibited as of Go 1.13 and causes test failures. Call it in TestMain instead. * build: remove workaround for ./... vendor matching This workaround was necessary for Go 1.8. The Go 1.9 release changed the expansion rules to exclude vendored packages. * Makefile: use relative path for GOBIN This makes the "Run ./build/bin/..." line look nicer. * les: fix test binary flags for Go 1.13 Calling flag.Parse during package initialization is prohibited as of Go 1.13 and causes test failures. Call it in TestMain instead.
517 lines
15 KiB
Go
517 lines
15 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package les
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import (
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"context"
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"errors"
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"flag"
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"io/ioutil"
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"math/rand"
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"os"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/les/flowcontrol"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/p2p/simulations"
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"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/mattn/go-colorable"
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)
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// Additional command line flags for the test binary.
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var (
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loglevel = flag.Int("loglevel", 0, "verbosity of logs")
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simAdapter = flag.String("adapter", "exec", "type of simulation: sim|socket|exec|docker")
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)
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func TestMain(m *testing.M) {
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flag.Parse()
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log.PrintOrigins(true)
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true))))
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// register the Delivery service which will run as a devp2p
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// protocol when using the exec adapter
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adapters.RegisterServices(services)
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os.Exit(m.Run())
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}
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// This test is not meant to be a part of the automatic testing process because it
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// runs for a long time and also requires a large database in order to do a meaningful
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// request performance test. When testServerDataDir is empty, the test is skipped.
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const (
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testServerDataDir = "" // should always be empty on the master branch
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testServerCapacity = 200
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testMaxClients = 10
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testTolerance = 0.1
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minRelCap = 0.2
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)
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func TestCapacityAPI3(t *testing.T) {
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testCapacityAPI(t, 3)
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}
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func TestCapacityAPI6(t *testing.T) {
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testCapacityAPI(t, 6)
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}
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func TestCapacityAPI10(t *testing.T) {
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testCapacityAPI(t, 10)
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}
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// testCapacityAPI runs an end-to-end simulation test connecting one server with
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// a given number of clients. It sets different priority capacities to all clients
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// except a randomly selected one which runs in free client mode. All clients send
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// similar requests at the maximum allowed rate and the test verifies whether the
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// ratio of processed requests is close enough to the ratio of assigned capacities.
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// Running multiple rounds with different settings ensures that changing capacity
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// while connected and going back and forth between free and priority mode with
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// the supplied API calls is also thoroughly tested.
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func testCapacityAPI(t *testing.T, clientCount int) {
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// Skip test if no data dir specified
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if testServerDataDir == "" {
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return
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}
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for !testSim(t, 1, clientCount, []string{testServerDataDir}, nil, func(ctx context.Context, net *simulations.Network, servers []*simulations.Node, clients []*simulations.Node) bool {
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if len(servers) != 1 {
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t.Fatalf("Invalid number of servers: %d", len(servers))
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}
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server := servers[0]
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serverRpcClient, err := server.Client()
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if err != nil {
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t.Fatalf("Failed to obtain rpc client: %v", err)
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}
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headNum, headHash := getHead(ctx, t, serverRpcClient)
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minCap, freeCap, totalCap := getCapacityInfo(ctx, t, serverRpcClient)
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testCap := totalCap * 3 / 4
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t.Logf("Server testCap: %d minCap: %d head number: %d head hash: %064x\n", testCap, minCap, headNum, headHash)
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reqMinCap := uint64(float64(testCap) * minRelCap / (minRelCap + float64(len(clients)-1)))
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if minCap > reqMinCap {
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t.Fatalf("Minimum client capacity (%d) bigger than required minimum for this test (%d)", minCap, reqMinCap)
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}
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freeIdx := rand.Intn(len(clients))
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clientRpcClients := make([]*rpc.Client, len(clients))
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for i, client := range clients {
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var err error
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clientRpcClients[i], err = client.Client()
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if err != nil {
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t.Fatalf("Failed to obtain rpc client: %v", err)
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}
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t.Log("connecting client", i)
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if i != freeIdx {
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setCapacity(ctx, t, serverRpcClient, client.ID(), testCap/uint64(len(clients)))
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}
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net.Connect(client.ID(), server.ID())
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for {
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select {
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case <-ctx.Done():
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t.Fatalf("Timeout")
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default:
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}
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num, hash := getHead(ctx, t, clientRpcClients[i])
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if num == headNum && hash == headHash {
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t.Log("client", i, "synced")
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break
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}
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time.Sleep(time.Millisecond * 200)
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}
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}
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var wg sync.WaitGroup
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stop := make(chan struct{})
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reqCount := make([]uint64, len(clientRpcClients))
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// Send light request like crazy.
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for i, c := range clientRpcClients {
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wg.Add(1)
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i, c := i, c
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go func() {
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defer wg.Done()
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queue := make(chan struct{}, 100)
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reqCount[i] = 0
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for {
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select {
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case queue <- struct{}{}:
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select {
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case <-stop:
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return
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case <-ctx.Done():
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return
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default:
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wg.Add(1)
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go func() {
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ok := testRequest(ctx, t, c)
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wg.Done()
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<-queue
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if ok {
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count := atomic.AddUint64(&reqCount[i], 1)
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if count%10000 == 0 {
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freezeClient(ctx, t, serverRpcClient, clients[i].ID())
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}
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}
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}()
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}
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case <-stop:
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return
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case <-ctx.Done():
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return
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}
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}
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}()
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}
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processedSince := func(start []uint64) []uint64 {
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res := make([]uint64, len(reqCount))
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for i := range reqCount {
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res[i] = atomic.LoadUint64(&reqCount[i])
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if start != nil {
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res[i] -= start[i]
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}
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}
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return res
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}
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weights := make([]float64, len(clients))
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for c := 0; c < 5; c++ {
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setCapacity(ctx, t, serverRpcClient, clients[freeIdx].ID(), freeCap)
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freeIdx = rand.Intn(len(clients))
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var sum float64
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for i := range clients {
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if i == freeIdx {
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weights[i] = 0
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} else {
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weights[i] = rand.Float64()*(1-minRelCap) + minRelCap
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}
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sum += weights[i]
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}
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for i, client := range clients {
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weights[i] *= float64(testCap-freeCap-100) / sum
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capacity := uint64(weights[i])
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if i != freeIdx && capacity < getCapacity(ctx, t, serverRpcClient, client.ID()) {
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setCapacity(ctx, t, serverRpcClient, client.ID(), capacity)
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}
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}
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setCapacity(ctx, t, serverRpcClient, clients[freeIdx].ID(), 0)
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for i, client := range clients {
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capacity := uint64(weights[i])
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if i != freeIdx && capacity > getCapacity(ctx, t, serverRpcClient, client.ID()) {
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setCapacity(ctx, t, serverRpcClient, client.ID(), capacity)
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}
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}
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weights[freeIdx] = float64(freeCap)
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for i := range clients {
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weights[i] /= float64(testCap)
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}
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time.Sleep(flowcontrol.DecParamDelay)
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t.Log("Starting measurement")
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t.Logf("Relative weights:")
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for i := range clients {
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t.Logf(" %f", weights[i])
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}
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t.Log()
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start := processedSince(nil)
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for {
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select {
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case <-ctx.Done():
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t.Fatalf("Timeout")
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default:
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}
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_, _, totalCap = getCapacityInfo(ctx, t, serverRpcClient)
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if totalCap < testCap {
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t.Log("Total capacity underrun")
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close(stop)
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wg.Wait()
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return false
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}
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processed := processedSince(start)
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var avg uint64
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t.Logf("Processed")
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for i, p := range processed {
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t.Logf(" %d", p)
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processed[i] = uint64(float64(p) / weights[i])
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avg += processed[i]
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}
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avg /= uint64(len(processed))
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if avg >= 10000 {
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var maxDev float64
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for _, p := range processed {
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dev := float64(int64(p-avg)) / float64(avg)
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t.Logf(" %7.4f", dev)
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if dev < 0 {
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dev = -dev
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}
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if dev > maxDev {
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maxDev = dev
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}
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}
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t.Logf(" max deviation: %f totalCap: %d\n", maxDev, totalCap)
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if maxDev <= testTolerance {
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t.Log("success")
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break
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}
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} else {
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t.Log()
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}
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time.Sleep(time.Millisecond * 200)
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}
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}
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close(stop)
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wg.Wait()
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for i, count := range reqCount {
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t.Log("client", i, "processed", count)
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}
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return true
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}) {
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t.Log("restarting test")
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}
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}
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func getHead(ctx context.Context, t *testing.T, client *rpc.Client) (uint64, common.Hash) {
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res := make(map[string]interface{})
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if err := client.CallContext(ctx, &res, "eth_getBlockByNumber", "latest", false); err != nil {
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t.Fatalf("Failed to obtain head block: %v", err)
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}
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numStr, ok := res["number"].(string)
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if !ok {
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t.Fatalf("RPC block number field invalid")
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}
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num, err := hexutil.DecodeUint64(numStr)
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if err != nil {
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t.Fatalf("Failed to decode RPC block number: %v", err)
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}
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hashStr, ok := res["hash"].(string)
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if !ok {
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t.Fatalf("RPC block number field invalid")
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}
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hash := common.HexToHash(hashStr)
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return num, hash
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}
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func testRequest(ctx context.Context, t *testing.T, client *rpc.Client) bool {
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var res string
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var addr common.Address
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rand.Read(addr[:])
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c, _ := context.WithTimeout(ctx, time.Second*12)
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err := client.CallContext(c, &res, "eth_getBalance", addr, "latest")
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if err != nil {
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t.Log("request error:", err)
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}
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return err == nil
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}
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func freezeClient(ctx context.Context, t *testing.T, server *rpc.Client, clientID enode.ID) {
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if err := server.CallContext(ctx, nil, "debug_freezeClient", clientID); err != nil {
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t.Fatalf("Failed to freeze client: %v", err)
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}
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}
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func setCapacity(ctx context.Context, t *testing.T, server *rpc.Client, clientID enode.ID, cap uint64) {
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params := make(map[string]interface{})
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params["capacity"] = cap
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if err := server.CallContext(ctx, nil, "les_setClientParams", []enode.ID{clientID}, []string{}, params); err != nil {
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t.Fatalf("Failed to set client capacity: %v", err)
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}
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}
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func getCapacity(ctx context.Context, t *testing.T, server *rpc.Client, clientID enode.ID) uint64 {
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var res map[enode.ID]map[string]interface{}
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if err := server.CallContext(ctx, &res, "les_clientInfo", []enode.ID{clientID}, []string{}); err != nil {
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t.Fatalf("Failed to get client info: %v", err)
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}
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info, ok := res[clientID]
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if !ok {
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t.Fatalf("Missing client info")
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}
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v, ok := info["capacity"]
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if !ok {
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t.Fatalf("Missing field in client info: capacity")
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}
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vv, ok := v.(float64)
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if !ok {
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t.Fatalf("Failed to decode capacity field")
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}
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return uint64(vv)
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}
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func getCapacityInfo(ctx context.Context, t *testing.T, server *rpc.Client) (minCap, freeCap, totalCap uint64) {
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var res map[string]interface{}
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if err := server.CallContext(ctx, &res, "les_serverInfo"); err != nil {
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t.Fatalf("Failed to query server info: %v", err)
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}
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decode := func(s string) uint64 {
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v, ok := res[s]
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if !ok {
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t.Fatalf("Missing field in server info: %s", s)
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}
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vv, ok := v.(float64)
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if !ok {
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t.Fatalf("Failed to decode server info field: %s", s)
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}
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return uint64(vv)
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}
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minCap = decode("minimumCapacity")
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freeCap = decode("freeClientCapacity")
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totalCap = decode("totalCapacity")
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return
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}
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var services = adapters.Services{
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"lesclient": newLesClientService,
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"lesserver": newLesServerService,
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}
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func NewNetwork() (*simulations.Network, func(), error) {
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adapter, adapterTeardown, err := NewAdapter(*simAdapter, services)
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if err != nil {
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return nil, adapterTeardown, err
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}
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defaultService := "streamer"
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net := simulations.NewNetwork(adapter, &simulations.NetworkConfig{
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ID: "0",
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DefaultService: defaultService,
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})
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teardown := func() {
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adapterTeardown()
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net.Shutdown()
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}
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return net, teardown, nil
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}
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func NewAdapter(adapterType string, services adapters.Services) (adapter adapters.NodeAdapter, teardown func(), err error) {
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teardown = func() {}
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switch adapterType {
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case "sim":
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adapter = adapters.NewSimAdapter(services)
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// case "socket":
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// adapter = adapters.NewSocketAdapter(services)
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case "exec":
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baseDir, err0 := ioutil.TempDir("", "les-test")
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if err0 != nil {
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return nil, teardown, err0
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}
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teardown = func() { os.RemoveAll(baseDir) }
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adapter = adapters.NewExecAdapter(baseDir)
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/*case "docker":
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adapter, err = adapters.NewDockerAdapter()
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if err != nil {
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return nil, teardown, err
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}*/
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default:
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return nil, teardown, errors.New("adapter needs to be one of sim, socket, exec, docker")
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}
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return adapter, teardown, nil
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}
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func testSim(t *testing.T, serverCount, clientCount int, serverDir, clientDir []string, test func(ctx context.Context, net *simulations.Network, servers []*simulations.Node, clients []*simulations.Node) bool) bool {
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net, teardown, err := NewNetwork()
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defer teardown()
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if err != nil {
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t.Fatalf("Failed to create network: %v", err)
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}
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timeout := 1800 * time.Second
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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servers := make([]*simulations.Node, serverCount)
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clients := make([]*simulations.Node, clientCount)
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for i := range clients {
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clientconf := adapters.RandomNodeConfig()
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clientconf.Services = []string{"lesclient"}
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if len(clientDir) == clientCount {
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clientconf.DataDir = clientDir[i]
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}
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client, err := net.NewNodeWithConfig(clientconf)
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if err != nil {
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t.Fatalf("Failed to create client: %v", err)
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}
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clients[i] = client
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}
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for i := range servers {
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serverconf := adapters.RandomNodeConfig()
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serverconf.Services = []string{"lesserver"}
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if len(serverDir) == serverCount {
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serverconf.DataDir = serverDir[i]
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}
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server, err := net.NewNodeWithConfig(serverconf)
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if err != nil {
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t.Fatalf("Failed to create server: %v", err)
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}
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servers[i] = server
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}
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for _, client := range clients {
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if err := net.Start(client.ID()); err != nil {
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t.Fatalf("Failed to start client node: %v", err)
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}
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}
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for _, server := range servers {
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if err := net.Start(server.ID()); err != nil {
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t.Fatalf("Failed to start server node: %v", err)
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}
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}
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return test(ctx, net, servers, clients)
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}
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func newLesClientService(ctx *adapters.ServiceContext) (node.Service, error) {
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config := eth.DefaultConfig
|
|
config.SyncMode = downloader.LightSync
|
|
config.Ethash.PowMode = ethash.ModeFake
|
|
return New(ctx.NodeContext, &config)
|
|
}
|
|
|
|
func newLesServerService(ctx *adapters.ServiceContext) (node.Service, error) {
|
|
config := eth.DefaultConfig
|
|
config.SyncMode = downloader.FullSync
|
|
config.LightServ = testServerCapacity
|
|
config.LightPeers = testMaxClients
|
|
ethereum, err := eth.New(ctx.NodeContext, &config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
server, err := NewLesServer(ethereum, &config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ethereum.AddLesServer(server)
|
|
return ethereum, nil
|
|
}
|