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132 lines
3.8 KiB
132 lines
3.8 KiB
package main
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import (
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"flag"
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"fmt"
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"math/rand"
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"os"
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"time"
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"github.com/simple-rules/harmony-benchmark/attack"
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"github.com/simple-rules/harmony-benchmark/consensus"
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"github.com/simple-rules/harmony-benchmark/db"
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"github.com/simple-rules/harmony-benchmark/log"
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"github.com/simple-rules/harmony-benchmark/node"
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"github.com/simple-rules/harmony-benchmark/profiler"
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"github.com/simple-rules/harmony-benchmark/utils"
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)
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const (
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AttackProbability = 20
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)
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func attackDetermination(attackedMode int) bool {
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switch attackedMode {
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case 0:
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return false
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case 1:
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return true
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case 2:
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return rand.Intn(100) < AttackProbability
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}
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return false
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}
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func InitLDBDatabase(ip string, port string) (*db.LDBDatabase, error) {
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// TODO(minhdoan): Refactor this.
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dbFileName := "/tmp/harmony_" + ip + port + ".dat"
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var err = os.RemoveAll(dbFileName)
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if err != nil {
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fmt.Println(err.Error())
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}
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return db.NewLDBDatabase(dbFileName, 0, 0)
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}
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func main() {
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ip := flag.String("ip", "127.0.0.1", "IP of the node")
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port := flag.String("port", "9000", "port of the node.")
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configFile := flag.String("config_file", "config.txt", "file containing all ip addresses")
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logFolder := flag.String("log_folder", "latest", "the folder collecting the logs of this execution")
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attackedMode := flag.Int("attacked_mode", 0, "0 means not attacked, 1 means attacked, 2 means being open to be selected as attacked")
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dbSupported := flag.Bool("db_supported", false, "false means not db_supported, true means db_supported")
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profile := flag.Bool("profile", false, "Turn on profiling (CPU, Memory).")
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metricsReportURL := flag.String("metrics_profile_url", "", "If set, reports metrics to this URL.")
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flag.Parse()
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// Set up randomization seed.
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rand.Seed(int64(time.Now().Nanosecond()))
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// Attack determination.
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attack.GetInstance().SetAttackEnabled(attackDetermination(*attackedMode))
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distributionConfig := utils.NewDistributionConfig()
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distributionConfig.ReadConfigFile(*configFile)
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shardID := distributionConfig.GetShardID(*ip, *port)
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peers := distributionConfig.GetPeers(*ip, *port, shardID)
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leader := distributionConfig.GetLeader(shardID)
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var role string
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if leader.Ip == *ip && leader.Port == *port {
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role = "leader"
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} else {
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role = "validator"
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}
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// Setup a logger to stdout and log file.
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logFileName := fmt.Sprintf("./%v/%s-%v-%v.log", *logFolder, role, *ip, *port)
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h := log.MultiHandler(
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log.StdoutHandler,
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log.Must.FileHandler(logFileName, log.JSONFormat()), // Log to file
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)
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log.Root().SetHandler(h)
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// Initialize leveldb if dbSupported.
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var ldb *db.LDBDatabase = nil
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if *dbSupported {
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ldb, _ = InitLDBDatabase(*ip, *port)
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}
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// Consensus object.
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consensus := consensus.NewConsensus(*ip, *port, shardID, peers, leader)
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// Start Profiler for leader if profile argument is on
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if role == "leader" && (*profile || *metricsReportURL != "") {
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prof := profiler.GetProfiler()
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prof.Config(consensus.Log, shardID, *metricsReportURL)
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if *profile {
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prof.Start()
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}
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}
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// Set logger to attack model.
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attack.GetInstance().SetLogger(consensus.Log)
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// Current node.
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currentNode := node.New(consensus, ldb)
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// Create client peer.
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clientPeer := distributionConfig.GetClientPeer()
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// If there is a client configured in the node list.
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if clientPeer != nil {
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currentNode.ClientPeer = clientPeer
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}
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// Assign closure functions to the consensus object
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consensus.BlockVerifier = currentNode.VerifyNewBlock
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consensus.OnConsensusDone = currentNode.PostConsensusProcessing
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// Temporary testing code, to be removed.
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currentNode.AddTestingAddresses(10000)
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if consensus.IsLeader {
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// Let consensus run
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go func() {
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consensus.WaitForNewBlock(currentNode.BlockChannel)
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}()
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// Node waiting for consensus readiness to create new block
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go func() {
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currentNode.WaitForConsensusReady(consensus.ReadySignal)
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}()
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}
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currentNode.StartServer(*port)
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}
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