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// Copyright 2018 The dexon-consensus Authors
// This file is part of the dexon-consensus library.
//
// The dexon-consensus 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 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 library. If not, see
// <http://www.gnu.org/licenses/>.
package simulation
import (
"sync"
"time"
"github.com/dexon-foundation/dexon-consensus/core/crypto/ecdsa"
"github.com/dexon-foundation/dexon-consensus/core/test"
"github.com/dexon-foundation/dexon-consensus/simulation/config"
)
// Run starts the simulation.
func Run(cfg *config.Config) {
var (
networkType = cfg.Networking.Type
server *PeerServer
wg sync.WaitGroup
err error
)
dMoment := time.Now().UTC().Add(1 * time.Second)
// init is a function to init a node.
init := func(serverEndpoint interface{}) {
prv, err := ecdsa.NewPrivateKey()
if err != nil {
panic(err)
}
v := newNode(prv, *cfg)
wg.Add(1)
go func() {
defer wg.Done()
v.run(serverEndpoint, dMoment)
}()
}
switch networkType {
case test.NetworkTypeTCP:
// Intialized a simulation on multiple remotely peers.
// The peer-server would be initialized with another command.
init(nil)
case test.NetworkTypeTCPLocal, test.NetworkTypeFake:
// Initialize a local simulation with a peer server.
var serverEndpoint interface{}
server = NewPeerServer()
if serverEndpoint, err = server.Setup(cfg); err != nil {
panic(err)
}
wg.Add(1)
go func() {
defer wg.Done()
server.Run()
}()
// Initialize all nodes.
for i := 0; i < cfg.Node.Num; i++ {
init(serverEndpoint)
}
}
wg.Wait()
// Do not exit when we are in TCP node, since k8s will restart the pod and
// cause confusions.
if networkType == test.NetworkTypeTCP {
select {}
}
}
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