From b0ca1b67ce6e297fe02281d01a486225bbf385f8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Tue, 5 Sep 2017 19:18:28 +0300 Subject: [PATCH] eth: use maxpeers from p2p layer instead of extra config --- cmd/utils/flags.go | 4 ---- eth/backend.go | 30 +++++++++++++++--------------- eth/config.go | 1 - eth/gen_config.go | 4 ---- eth/handler.go | 8 +++++--- eth/handler_test.go | 4 ++-- eth/helper_test.go | 4 ++-- params/bootnodes.go | 2 -- 8 files changed, 24 insertions(+), 33 deletions(-) diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index 37ccd06ef..5ab6047e8 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -949,10 +949,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) { cfg.NetworkId = ctx.GlobalUint64(NetworkIdFlag.Name) } - // Ethereum needs to know maxPeers to calculate the light server peer ratio. - // TODO(fjl): ensure Ethereum can get MaxPeers from node. - cfg.MaxPeers = ctx.GlobalInt(MaxPeersFlag.Name) - if ctx.GlobalIsSet(CacheFlag.Name) { cfg.DatabaseCache = ctx.GlobalInt(CacheFlag.Name) } diff --git a/eth/backend.go b/eth/backend.go index 5f4f2097a..5837c8564 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -57,15 +57,19 @@ type LesServer interface { // Ethereum implements the Ethereum full node service. type Ethereum struct { + config *Config chainConfig *params.ChainConfig + // Channel for shutting down the service shutdownChan chan bool // Channel for shutting down the ethereum stopDbUpgrade func() error // stop chain db sequential key upgrade + // Handlers txPool *core.TxPool blockchain *core.BlockChain protocolManager *ProtocolManager lesServer LesServer + // DB interfaces chainDb ethdb.Database // Block chain database @@ -98,7 +102,6 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { if !config.SyncMode.IsValid() { return nil, fmt.Errorf("invalid sync mode %d", config.SyncMode) } - chainDb, err := CreateDB(ctx, config, "chaindata") if err != nil { return nil, err @@ -111,6 +114,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { log.Info("Initialised chain configuration", "config", chainConfig) eth := &Ethereum{ + config: config, chainDb: chainDb, chainConfig: chainConfig, eventMux: ctx.EventMux, @@ -153,21 +157,9 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { } eth.txPool = core.NewTxPool(config.TxPool, eth.chainConfig, eth.blockchain) - maxPeers := config.MaxPeers - if config.LightServ > 0 { - // if we are running a light server, limit the number of ETH peers so that we reserve some space for incoming LES connections - // temporary solution until the new peer connectivity API is finished - halfPeers := maxPeers / 2 - maxPeers -= config.LightPeers - if maxPeers < halfPeers { - maxPeers = halfPeers - } - } - - if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.SyncMode, config.NetworkId, maxPeers, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb); err != nil { + if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.SyncMode, config.NetworkId, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb); err != nil { return nil, err } - eth.miner = miner.New(eth, eth.chainConfig, eth.EventMux(), eth.engine) eth.miner.SetExtra(makeExtraData(config.ExtraData)) @@ -376,7 +368,15 @@ func (s *Ethereum) Protocols() []p2p.Protocol { func (s *Ethereum) Start(srvr *p2p.Server) error { s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.NetVersion()) - s.protocolManager.Start() + // Figure out a max peers count based on the server limits + maxPeers := srvr.MaxPeers + if s.config.LightServ > 0 { + maxPeers -= s.config.LightPeers + if maxPeers < srvr.MaxPeers/2 { + maxPeers = srvr.MaxPeers / 2 + } + } + s.protocolManager.Start(maxPeers) if s.lesServer != nil { s.lesServer.Start(srvr) } diff --git a/eth/config.go b/eth/config.go index 4109cff8b..7bcfd403e 100644 --- a/eth/config.go +++ b/eth/config.go @@ -79,7 +79,6 @@ type Config struct { // Light client options LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests LightPeers int `toml:",omitempty"` // Maximum number of LES client peers - MaxPeers int `toml:"-"` // Maximum number of global peers // Database options SkipBcVersionCheck bool `toml:"-"` diff --git a/eth/gen_config.go b/eth/gen_config.go index 477479419..4a4cd7b9c 100644 --- a/eth/gen_config.go +++ b/eth/gen_config.go @@ -47,7 +47,6 @@ func (c Config) MarshalTOML() (interface{}, error) { enc.SyncMode = c.SyncMode enc.LightServ = c.LightServ enc.LightPeers = c.LightPeers - enc.MaxPeers = c.MaxPeers enc.SkipBcVersionCheck = c.SkipBcVersionCheck enc.DatabaseHandles = c.DatabaseHandles enc.DatabaseCache = c.DatabaseCache @@ -119,9 +118,6 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error { if dec.LightPeers != nil { c.LightPeers = *dec.LightPeers } - if dec.MaxPeers != nil { - c.MaxPeers = *dec.MaxPeers - } if dec.SkipBcVersionCheck != nil { c.SkipBcVersionCheck = *dec.SkipBcVersionCheck } diff --git a/eth/handler.go b/eth/handler.go index 9d230a4ad..28ae208c0 100644 --- a/eth/handler.go +++ b/eth/handler.go @@ -99,7 +99,7 @@ type ProtocolManager struct { // NewProtocolManager returns a new ethereum sub protocol manager. The Ethereum sub protocol manages peers capable // with the ethereum network. -func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, networkId uint64, maxPeers int, mux *event.TypeMux, txpool txPool, engine consensus.Engine, blockchain *core.BlockChain, chaindb ethdb.Database) (*ProtocolManager, error) { +func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, networkId uint64, mux *event.TypeMux, txpool txPool, engine consensus.Engine, blockchain *core.BlockChain, chaindb ethdb.Database) (*ProtocolManager, error) { // Create the protocol manager with the base fields manager := &ProtocolManager{ networkId: networkId, @@ -108,7 +108,6 @@ func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, ne blockchain: blockchain, chaindb: chaindb, chainconfig: config, - maxPeers: maxPeers, peers: newPeerSet(), newPeerCh: make(chan *peer), noMorePeers: make(chan struct{}), @@ -203,11 +202,14 @@ func (pm *ProtocolManager) removePeer(id string) { } } -func (pm *ProtocolManager) Start() { +func (pm *ProtocolManager) Start(maxPeers int) { + pm.maxPeers = maxPeers + // broadcast transactions pm.txCh = make(chan core.TxPreEvent, txChanSize) pm.txSub = pm.txpool.SubscribeTxPreEvent(pm.txCh) go pm.txBroadcastLoop() + // broadcast mined blocks pm.minedBlockSub = pm.eventMux.Subscribe(core.NewMinedBlockEvent{}) go pm.minedBroadcastLoop() diff --git a/eth/handler_test.go b/eth/handler_test.go index aba277444..6752cd2a8 100644 --- a/eth/handler_test.go +++ b/eth/handler_test.go @@ -476,11 +476,11 @@ func testDAOChallenge(t *testing.T, localForked, remoteForked bool, timeout bool genesis = gspec.MustCommit(db) blockchain, _ = core.NewBlockChain(db, config, pow, vm.Config{}) ) - pm, err := NewProtocolManager(config, downloader.FullSync, DefaultConfig.NetworkId, 1000, evmux, new(testTxPool), pow, blockchain, db) + pm, err := NewProtocolManager(config, downloader.FullSync, DefaultConfig.NetworkId, evmux, new(testTxPool), pow, blockchain, db) if err != nil { t.Fatalf("failed to start test protocol manager: %v", err) } - pm.Start() + pm.Start(1000) defer pm.Stop() // Connect a new peer and check that we receive the DAO challenge diff --git a/eth/helper_test.go b/eth/helper_test.go index f1dab9528..b66553135 100644 --- a/eth/helper_test.go +++ b/eth/helper_test.go @@ -66,11 +66,11 @@ func newTestProtocolManager(mode downloader.SyncMode, blocks int, generator func panic(err) } - pm, err := NewProtocolManager(gspec.Config, mode, DefaultConfig.NetworkId, 1000, evmux, &testTxPool{added: newtx}, engine, blockchain, db) + pm, err := NewProtocolManager(gspec.Config, mode, DefaultConfig.NetworkId, evmux, &testTxPool{added: newtx}, engine, blockchain, db) if err != nil { return nil, err } - pm.Start() + pm.Start(1000) return pm, nil } diff --git a/params/bootnodes.go b/params/bootnodes.go index 6a145a7a8..6c6c02f8c 100644 --- a/params/bootnodes.go +++ b/params/bootnodes.go @@ -19,7 +19,6 @@ package params // MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on // the main Ethereum network. var MainnetBootnodes = []string{ - // Ethereum Foundation Go Bootnodes "enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303", // IE "enode://3f1d12044546b76342d59d4a05532c14b85aa669704bfe1f864fe079415aa2c02d743e03218e57a33fb94523adb54032871a6c51b2cc5514cb7c7e35b3ed0a99@13.93.211.84:30303", // US-WEST @@ -29,7 +28,6 @@ var MainnetBootnodes = []string{ // Ethereum Foundation Cpp Bootnodes "enode://979b7fa28feeb35a4741660a16076f1943202cb72b6af70d327f053e248bab9ba81760f39d0701ef1d8f89cc1fbd2cacba0710a12cd5314d5e0c9021aa3637f9@5.1.83.226:30303", // DE - } // TestnetBootnodes are the enode URLs of the P2P bootstrap nodes running on the