mirror of https://github.com/poanetwork/quorum.git
145 lines
4.1 KiB
Go
145 lines
4.1 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// You can run this simulation using
|
|
//
|
|
// go run ./swarm/network/simulations/overlay.go
|
|
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"net/http"
|
|
"runtime"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/node"
|
|
"github.com/ethereum/go-ethereum/p2p/discover"
|
|
"github.com/ethereum/go-ethereum/p2p/simulations"
|
|
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
|
|
"github.com/ethereum/go-ethereum/swarm/network"
|
|
"github.com/ethereum/go-ethereum/swarm/state"
|
|
colorable "github.com/mattn/go-colorable"
|
|
)
|
|
|
|
var (
|
|
noDiscovery = flag.Bool("no-discovery", false, "disable discovery (useful if you want to load a snapshot)")
|
|
vmodule = flag.String("vmodule", "", "log filters for logger via Vmodule")
|
|
verbosity = flag.Int("verbosity", 0, "log filters for logger via Vmodule")
|
|
httpSimPort = 8888
|
|
)
|
|
|
|
func init() {
|
|
flag.Parse()
|
|
//initialize the logger
|
|
//this is a demonstration on how to use Vmodule for filtering logs
|
|
//provide -vmodule as param, and comma-separated values, e.g.:
|
|
//-vmodule overlay_test.go=4,simulations=3
|
|
//above examples sets overlay_test.go logs to level 4, while packages ending with "simulations" to 3
|
|
if *vmodule != "" {
|
|
//only enable the pattern matching handler if the flag has been provided
|
|
glogger := log.NewGlogHandler(log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true)))
|
|
if *verbosity > 0 {
|
|
glogger.Verbosity(log.Lvl(*verbosity))
|
|
}
|
|
glogger.Vmodule(*vmodule)
|
|
log.Root().SetHandler(glogger)
|
|
}
|
|
}
|
|
|
|
type Simulation struct {
|
|
mtx sync.Mutex
|
|
stores map[discover.NodeID]*state.InmemoryStore
|
|
}
|
|
|
|
func NewSimulation() *Simulation {
|
|
return &Simulation{
|
|
stores: make(map[discover.NodeID]*state.InmemoryStore),
|
|
}
|
|
}
|
|
|
|
func (s *Simulation) NewService(ctx *adapters.ServiceContext) (node.Service, error) {
|
|
id := ctx.Config.ID
|
|
s.mtx.Lock()
|
|
store, ok := s.stores[id]
|
|
if !ok {
|
|
store = state.NewInmemoryStore()
|
|
s.stores[id] = store
|
|
}
|
|
s.mtx.Unlock()
|
|
|
|
addr := network.NewAddrFromNodeID(id)
|
|
|
|
kp := network.NewKadParams()
|
|
kp.MinProxBinSize = 2
|
|
kp.MaxBinSize = 4
|
|
kp.MinBinSize = 1
|
|
kp.MaxRetries = 1000
|
|
kp.RetryExponent = 2
|
|
kp.RetryInterval = 1000000
|
|
kad := network.NewKademlia(addr.Over(), kp)
|
|
hp := network.NewHiveParams()
|
|
hp.Discovery = !*noDiscovery
|
|
hp.KeepAliveInterval = 300 * time.Millisecond
|
|
|
|
config := &network.BzzConfig{
|
|
OverlayAddr: addr.Over(),
|
|
UnderlayAddr: addr.Under(),
|
|
HiveParams: hp,
|
|
}
|
|
|
|
return network.NewBzz(config, kad, store, nil, nil), nil
|
|
}
|
|
|
|
//create the simulation network
|
|
func newSimulationNetwork() *simulations.Network {
|
|
|
|
s := NewSimulation()
|
|
services := adapters.Services{
|
|
"overlay": s.NewService,
|
|
}
|
|
adapter := adapters.NewSimAdapter(services)
|
|
simNetwork := simulations.NewNetwork(adapter, &simulations.NetworkConfig{
|
|
DefaultService: "overlay",
|
|
})
|
|
return simNetwork
|
|
}
|
|
|
|
//return a new http server
|
|
func newOverlaySim(sim *simulations.Network) *simulations.Server {
|
|
return simulations.NewServer(sim)
|
|
}
|
|
|
|
// var server
|
|
func main() {
|
|
//cpu optimization
|
|
runtime.GOMAXPROCS(runtime.NumCPU())
|
|
//run the sim
|
|
runOverlaySim()
|
|
}
|
|
|
|
func runOverlaySim() {
|
|
//create the simulation network
|
|
net := newSimulationNetwork()
|
|
//create a http server with it
|
|
sim := newOverlaySim(net)
|
|
log.Info(fmt.Sprintf("starting simulation server on 0.0.0.0:%d...", httpSimPort))
|
|
//start the HTTP server
|
|
http.ListenAndServe(fmt.Sprintf(":%d", httpSimPort), sim)
|
|
}
|