Merge pull request #840 from karalabe/throttled-dialing

p2p: throttled handshakes

cmd/geth/main.go

@@ -242,6 +242,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.JSpathFlag,
 		utils.ListenPortFlag,
 		utils.MaxPeersFlag,
+		utils.MaxPendingPeersFlag,
 		utils.EtherbaseFlag,
 		utils.MinerThreadsFlag,
 		utils.MiningEnabledFlag,

cmd/mist/main.go

@@ -75,6 +75,7 @@ func init() {
 		utils.LogFileFlag,
 		utils.LogLevelFlag,
 		utils.MaxPeersFlag,
+		utils.MaxPendingPeersFlag,
 		utils.MinerThreadsFlag,
 		utils.NATFlag,
 		utils.NodeKeyFileFlag,

cmd/utils/flags.go

@@ -197,6 +197,11 @@ var (
 		Usage: "Maximum number of network peers (network disabled if set to 0)",
 		Value: 16,
 	}
+	MaxPendingPeersFlag = cli.IntFlag{
+		Name:  "maxpendpeers",
+		Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
+		Value: 0,
+	}
 	ListenPortFlag = cli.IntFlag{
 		Name:  "port",
 		Usage: "Network listening port",
@@ -292,6 +297,7 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
 		AccountManager:     GetAccountManager(ctx),
 		VmDebug:            ctx.GlobalBool(VMDebugFlag.Name),
 		MaxPeers:           ctx.GlobalInt(MaxPeersFlag.Name),
+		MaxPendingPeers:    ctx.GlobalInt(MaxPendingPeersFlag.Name),
 		Port:               ctx.GlobalString(ListenPortFlag.Name),
 		NAT:                GetNAT(ctx),
 		NatSpec:            ctx.GlobalBool(NatspecEnabledFlag.Name),