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cmd/geth, miner, backend, xeth: Fixed miner threads to be settable

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Miner threads are now settable through the admin interface (closes #897)
and specify 0 CPU worker threads when eth_getWork is called (closes #916)
This commit is contained in:
obscuren 2015-05-11 15:43:14 +02:00
parent 064cf16099
commit 21e52efdfe
9 changed files with 46 additions and 43 deletions
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5
cmd/geth/admin.go
View File

@ -275,14 +275,13 @@ func (js *jsre) verbosity(call otto.FunctionCall) otto.Value {
}
func (js *jsre) startMining(call otto.FunctionCall) otto.Value {
_, err := call.Argument(0).ToInteger()
threads, err := call.Argument(0).ToInteger()
if err != nil {
fmt.Println(err)
return otto.FalseValue()
}
// threads now ignored
err = js.ethereum.StartMining()
err = js.ethereum.StartMining(int(threads))
if err != nil {
fmt.Println(err)
return otto.FalseValue()

2
cmd/geth/main.go
View File

@ -401,7 +401,7 @@ func startEth(ctx *cli.Context, eth *eth.Ethereum) {
}
}
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
if err := eth.StartMining(); err != nil {
if err := eth.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name)); err != nil {
utils.Fatalf("%v", err)
}
}

2
cmd/mist/ui_lib.go
View File

@ -159,7 +159,7 @@ func (self *UiLib) RemoveLocalTransaction(id int) {
func (self *UiLib) ToggleMining() bool {
if !self.eth.IsMining() {
err := self.eth.StartMining()
err := self.eth.StartMining(4)
return err == nil
} else {
self.eth.StopMining()

12
eth/backend.go
View File

@ -267,7 +267,7 @@ func New(config *Config) (*Ethereum, error) {
eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State, eth.chainManager.GasLimit)
eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.txPool, eth.chainManager, eth.EventMux())
eth.chainManager.SetProcessor(eth.blockProcessor)
eth.miner = miner.New(eth, eth.pow, config.MinerThreads)
eth.miner = miner.New(eth, eth.pow)
eth.miner.SetGasPrice(config.GasPrice)
eth.protocolManager = NewProtocolManager(config.ProtocolVersion, config.NetworkId, eth.eventMux, eth.txPool, eth.chainManager, eth.downloader)
@ -368,7 +368,7 @@ func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
s.chainManager.ResetWithGenesisBlock(gb)
}
func (s *Ethereum) StartMining() error {
func (s *Ethereum) StartMining(threads int) error {
eb, err := s.Etherbase()
if err != nil {
err = fmt.Errorf("Cannot start mining without etherbase address: %v", err)
@ -376,7 +376,7 @@ func (s *Ethereum) StartMining() error {
return err
}
go s.miner.Start(eb)
go s.miner.Start(eb, threads)
return nil
}
@ -461,13 +461,13 @@ done:
case <-ticker.C:
// don't change the order of database flushes
if err := s.extraDb.Flush(); err != nil {
glog.Fatalf("fatal error: flush extraDb: %v\n", err)
glog.Fatalf("fatal error: flush extraDb: %v (Restart your node. We are aware of this issue)\n", err)
}
if err := s.stateDb.Flush(); err != nil {
glog.Fatalf("fatal error: flush stateDb: %v\n", err)
glog.Fatalf("fatal error: flush stateDb: %v (Restart your node. We are aware of this issue)\n", err)
}
if err := s.blockDb.Flush(); err != nil {
glog.Fatalf("fatal error: flush blockDb: %v\n", err)
glog.Fatalf("fatal error: flush blockDb: %v (Restart your node. We are aware of this issue)\n", err)
}
case <-s.shutdownChan:
break done

22
miner/agent.go
View File

@ -10,7 +10,7 @@ import (
"github.com/ethereum/go-ethereum/pow"
)
type CpuMiner struct {
type CpuAgent struct {
chMu sync.Mutex
c chan *types.Block
quit chan struct{}
@ -21,8 +21,8 @@ type CpuMiner struct {
pow pow.PoW
}
func NewCpuMiner(index int, pow pow.PoW) *CpuMiner {
miner := &CpuMiner{
func NewCpuAgent(index int, pow pow.PoW) *CpuAgent {
miner := &CpuAgent{
pow: pow,
index: index,
}
@ -30,16 +30,16 @@ func NewCpuMiner(index int, pow pow.PoW) *CpuMiner {
return miner
}
func (self *CpuMiner) Work() chan<- *types.Block { return self.c }
func (self *CpuMiner) Pow() pow.PoW { return self.pow }
func (self *CpuMiner) SetReturnCh(ch chan<- *types.Block) { self.returnCh = ch }
func (self *CpuAgent) Work() chan<- *types.Block { return self.c }
func (self *CpuAgent) Pow() pow.PoW { return self.pow }
func (self *CpuAgent) SetReturnCh(ch chan<- *types.Block) { self.returnCh = ch }
func (self *CpuMiner) Stop() {
func (self *CpuAgent) Stop() {
close(self.quit)
close(self.quitCurrentOp)
}
func (self *CpuMiner) Start() {
func (self *CpuAgent) Start() {
self.quit = make(chan struct{})
self.quitCurrentOp = make(chan struct{}, 1)
self.c = make(chan *types.Block, 1)
@ -47,7 +47,7 @@ func (self *CpuMiner) Start() {
go self.update()
}
func (self *CpuMiner) update() {
func (self *CpuAgent) update() {
out:
for {
select {
@ -76,7 +76,7 @@ done:
}
}
func (self *CpuMiner) mine(block *types.Block) {
func (self *CpuAgent) mine(block *types.Block) {
glog.V(logger.Debug).Infof("(re)started agent[%d]. mining...\n", self.index)
// Reset the channel
@ -95,6 +95,6 @@ func (self *CpuMiner) mine(block *types.Block) {
}
}
func (self *CpuMiner) GetHashRate() int64 {
func (self *CpuAgent) GetHashRate() int64 {
return self.pow.GetHashrate()
}

33
miner/miner.go
View File

@ -23,16 +23,8 @@ type Miner struct {
pow pow.PoW
}
func New(eth core.Backend, pow pow.PoW, minerThreads int) *Miner {
// note: minerThreads is currently ignored because
// ethash is not thread safe.
miner := &Miner{eth: eth, pow: pow, worker: newWorker(common.Address{}, eth)}
for i := 0; i < minerThreads; i++ {
miner.worker.register(NewCpuMiner(i, pow))
}
miner.threads = minerThreads
return miner
func New(eth core.Backend, pow pow.PoW) *Miner {
return &Miner{eth: eth, pow: pow, worker: newWorker(common.Address{}, eth)}
}
func (self *Miner) Mining() bool {
@ -48,15 +40,27 @@ func (m *Miner) SetGasPrice(price *big.Int) {
m.worker.gasPrice = price
}
func (self *Miner) Start(coinbase common.Address) {
glog.V(logger.Info).Infoln("Starting mining operation")
func (self *Miner) Start(coinbase common.Address, threads int) {
self.mining = true
for i := 0; i < threads; i++ {
self.worker.register(NewCpuAgent(i, self.pow))
}
self.threads = threads
glog.V(logger.Info).Infof("Starting mining operation (CPU=%d TOT=%d)\n", threads, len(self.worker.agents))
self.worker.coinbase = coinbase
self.worker.start()
self.worker.commitNewWork()
}
func (self *Miner) Stop() {
self.worker.stop()
self.mining = false
}
func (self *Miner) Register(agent Agent) {
if self.mining {
agent.Start()
@ -65,11 +69,6 @@ func (self *Miner) Register(agent Agent) {
self.worker.register(agent)
}
func (self *Miner) Stop() {
self.mining = false
self.worker.stop()
}
func (self *Miner) HashRate() int64 {
return self.worker.HashRate()
}

7
miner/worker.go
View File

@ -141,7 +141,6 @@ func (self *worker) start() {
for _, agent := range self.agents {
agent.Start()
}
}
func (self *worker) stop() {
@ -149,10 +148,16 @@ func (self *worker) stop() {
defer self.mu.Unlock()
if atomic.LoadInt32(&self.mining) == 1 {
var keep []Agent
// stop all agents
for _, agent := range self.agents {
agent.Stop()
// keep all that's not a cpu agent
if _, ok := agent.(*CpuAgent); !ok {
keep = append(keep, agent)
}
}
self.agents = keep
}
atomic.StoreInt32(&self.mining, 0)

2
rpc/api.go
View File

@ -391,7 +391,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
}
*reply = NewLogsRes(api.xeth().AllLogs(args.Earliest, args.Latest, args.Skip, args.Max, args.Address, args.Topics))
case "eth_getWork":
api.xeth().SetMining(true)
api.xeth().SetMining(true, 0)
*reply = api.xeth().RemoteMining().GetWork()
case "eth_submitWork":
args := new(SubmitWorkArgs)

4
xeth/xeth.go
View File

@ -425,10 +425,10 @@ func (self *XEth) ClientVersion() string {
return self.backend.ClientVersion()
}
func (self *XEth) SetMining(shouldmine bool) bool {
func (self *XEth) SetMining(shouldmine bool, threads int) bool {
ismining := self.backend.IsMining()
if shouldmine && !ismining {
err := self.backend.StartMining()
err := self.backend.StartMining(threads)
return err == nil
}
if ismining && !shouldmine {