mirror of
https://github.com/ethereum/go-ethereum.git
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89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
// +build none
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// You can run this simulation using
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//
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// go run ./swarm/network/simulations/overlay.go
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package main
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import (
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"flag"
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"net/http"
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"os"
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"runtime"
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"sync"
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"time"
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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/discover"
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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/swarm/network"
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)
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var noDiscovery = flag.Bool("no-discovery", false, "disable discovery (useful if you want to load a snapshot)")
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type Simulation struct {
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mtx sync.Mutex
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stores map[discover.NodeID]*adapters.SimStateStore
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}
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func NewSimulation() *Simulation {
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return &Simulation{
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stores: make(map[discover.NodeID]*adapters.SimStateStore),
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}
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}
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func (s *Simulation) NewService(ctx *adapters.ServiceContext) (node.Service, error) {
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id := ctx.Config.ID
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s.mtx.Lock()
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store, ok := s.stores[id]
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if !ok {
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store = adapters.NewSimStateStore()
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s.stores[id] = store
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}
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s.mtx.Unlock()
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addr := network.NewAddrFromNodeID(id)
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kp := network.NewKadParams()
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kp.MinProxBinSize = 2
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kp.MaxBinSize = 4
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kp.MinBinSize = 1
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kp.MaxRetries = 1000
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kp.RetryExponent = 2
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kp.RetryInterval = 1000000
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kad := network.NewKademlia(addr.Over(), kp)
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hp := network.NewHiveParams()
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hp.Discovery = !*noDiscovery
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hp.KeepAliveInterval = 300 * time.Millisecond
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config := &network.BzzConfig{
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OverlayAddr: addr.Over(),
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UnderlayAddr: addr.Under(),
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HiveParams: hp,
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}
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return network.NewBzz(config, kad, store, nil, nil), nil
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}
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// var server
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func main() {
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flag.Parse()
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runtime.GOMAXPROCS(runtime.NumCPU())
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log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(false))))
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s := NewSimulation()
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services := adapters.Services{
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"overlay": s.NewService,
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}
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adapter := adapters.NewSimAdapter(services)
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network := simulations.NewNetwork(adapter, &simulations.NetworkConfig{
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DefaultService: "overlay",
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})
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log.Info("starting simulation server on 0.0.0.0:8888...")
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http.ListenAndServe(":8888", simulations.NewServer(network))
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}
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