func (s *server) start() {
os.Stdin.Close()
procs := runtime.NumCPU()
if procs < 2 {
procs = 2
}
runtime.GOMAXPROCS(procs)
commandLineConfig, err := s.commandLineConfig()
s.maybeShutdown(err)
if commandLineConfig == nil {
commandLineConfig = configuration.BlankTopology("").Configuration
}
nodeCertPrivKeyPair, err := certs.GenerateNodeCertificatePrivateKeyPair(s.certificate)
for idx := range s.certificate {
s.certificate[idx] = 0
}
s.certificate = nil
s.maybeShutdown(err)
disk, err := mdbs.NewMDBServer(s.dataDir, 0, 0600, goshawk.MDBInitialSize, procs/2, time.Millisecond, db.DB)
s.maybeShutdown(err)
db := disk.(*db.Databases)
s.addOnShutdown(db.Shutdown)
cm, transmogrifier := network.NewConnectionManager(s.rmId, s.bootCount, procs, db, nodeCertPrivKeyPair, s.port, s, commandLineConfig)
s.addOnShutdown(func() { cm.Shutdown(paxos.Sync) })
s.addOnShutdown(transmogrifier.Shutdown)
s.connectionManager = cm
s.transmogrifier = transmogrifier
go s.signalHandler()
listener, err := network.NewListener(s.port, cm)
s.maybeShutdown(err)
s.addOnShutdown(listener.Shutdown)
defer s.shutdown(nil)
<-s.shutdownChan
}
func (s *server) start() {
procs := runtime.NumCPU()
if procs < 2 {
procs = 2
}
runtime.GOMAXPROCS(procs)
disk, err := mdbs.NewMDBServer(s.dataDir, mdb.WRITEMAP, 0600, goshawk.OneTB, procs/2, time.Millisecond, db.DB)
s.maybeShutdown(err)
s.addOnShutdown(disk.Shutdown)
cm, lc := network.NewConnectionManager(s.rmId, s.bootCount, procs, disk, s.passwordHash)
s.connectionManager = cm
s.addOnShutdown(cm.Shutdown)
s.addOnShutdown(lc.Shutdown)
s.Add(1)
go s.signalHandler()
topologyLocal, err := network.GetTopologyFromLocalDatabase(cm, cm.Dispatchers.VarDispatcher, lc)
s.maybeShutdown(err)
topology, err := s.chooseTopology(topologyLocal)
s.maybeShutdown(err)
if topologyLocal == nil {
topologyTxnId, err := network.CreateTopologyZero(cm, topology, lc)
s.maybeShutdown(err)
topology.DBVersion = topologyTxnId
}
cm.SetTopology(topology)
cm.Dispatchers.VarDispatcher.ApplyToVar(func(v *eng.Var, err error) {
if err != nil {
log.Println("Error trying to subscribe to topology:", err)
return
}
emptyTxnId := common.MakeTxnId([]byte{})
v.AddWriteSubscriber(emptyTxnId,
func(v *eng.Var, value []byte, refs *msgs.VarIdPos_List, txn *eng.Txn) {
var rootVarPosPtr *msgs.VarIdPos
if refs.Len() == 1 {
root := refs.At(0)
rootVarPosPtr = &root
}
topology, err := goshawk.TopologyDeserialize(txn.Id, rootVarPosPtr, value)
if err != nil {
log.Println("Unable to deserialize new topology:", err)
}
cm.SetTopology(topology)
disk.WithEnv(func(env *mdb.Env) (interface{}, error) {
return nil, env.SetFlags(mdb.MAPASYNC, topology.AsyncFlush)
})
})
}, false, goshawk.TopologyVarUUId)
cm.AddSender(network.NewTopologyWriter(topology, lc, cm))
localHost, remoteHosts, err := topology.LocalRemoteHosts(s.port)
s.maybeShutdown(err)
log.Printf(">==> We are %v (%v) <==<\n", localHost, s.rmId)
listener, err := network.NewListener(s.port, cm)
s.maybeShutdown(err)
s.addOnShutdown(listener.Shutdown)
cm.SetDesiredServers(localHost, remoteHosts)
defer s.shutdown(nil)
s.Wait()
}