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// Copyright 2018 The dexon-consensus-core Authors
// This file is part of the dexon-consensus-core library.
//
// The dexon-consensus-core 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 dexon-consensus-core 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 dexon-consensus-core library. If not, see
// <http://www.gnu.org/licenses/>.
package simulation
import (
"fmt"
"github.com/dexon-foundation/dexon-consensus-core/crypto/eth"
"github.com/dexon-foundation/dexon-consensus-core/simulation/config"
)
// Run starts the simulation.
func Run(configPath string) {
cfg, err := config.Read(configPath)
if err != nil {
panic(err)
}
networkType := cfg.Networking.Type
var vs []*Validator
if networkType == config.NetworkTypeFake ||
networkType == config.NetworkTypeTCPLocal {
var network Network
if networkType == config.NetworkTypeFake {
networkModel := &NormalNetwork{
Sigma: cfg.Networking.Sigma,
Mean: cfg.Networking.Mean,
LossRateValue: cfg.Networking.LossRateValue,
}
network = NewFakeNetwork(networkModel)
for i := 0; i < cfg.Validator.Num; i++ {
prv, err := eth.NewPrivateKey()
if err != nil {
panic(err)
}
vs = append(vs, NewValidator(prv, eth.SigToPub, cfg.Validator, network))
}
} else if networkType == config.NetworkTypeTCPLocal {
for i := 0; i < cfg.Validator.Num; i++ {
prv, err := eth.NewPrivateKey()
if err != nil {
panic(err)
}
network := NewTCPNetwork(true, cfg.Networking.PeerServer)
go network.Start()
vs = append(vs, NewValidator(prv, eth.SigToPub, cfg.Validator, network))
}
}
for i := 0; i < cfg.Validator.Num; i++ {
fmt.Printf("Validator %d: %s\n", i, vs[i].ID)
go vs[i].Run()
}
} else if networkType == config.NetworkTypeTCP {
prv, err := eth.NewPrivateKey()
if err != nil {
panic(err)
}
network := NewTCPNetwork(false, cfg.Networking.PeerServer)
go network.Start()
v := NewValidator(prv, eth.SigToPub, cfg.Validator, network)
go v.Run()
vs = append(vs, v)
}
for _, v := range vs {
v.Wait()
fmt.Printf("Validator %s is shutdown\n", v.GetID())
}
// Do not exit when we are in TCP node, since k8s will restart the pod and
// cause confusions.
if networkType == config.NetworkTypeTCP {
select {}
}
}
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