implement connection gating at the top level (#881)

config/config.go

@@ -19,20 +19,18 @@ import (
 	"github.com/libp2p/go-libp2p-peerstore/pstoremem"
 
 	bhost "github.com/libp2p/go-libp2p/p2p/host/basic"
-	relay "github.com/libp2p/go-libp2p/p2p/host/relay"
+	"github.com/libp2p/go-libp2p/p2p/host/relay"
 	routed "github.com/libp2p/go-libp2p/p2p/host/routed"
 
 	autonat "github.com/libp2p/go-libp2p-autonat"
+	blankhost "github.com/libp2p/go-libp2p-blankhost"
 	circuit "github.com/libp2p/go-libp2p-circuit"
 	discovery "github.com/libp2p/go-libp2p-discovery"
 	swarm "github.com/libp2p/go-libp2p-swarm"
 	tptu "github.com/libp2p/go-libp2p-transport-upgrader"
 
 	logging "github.com/ipfs/go-log"
-	filter "github.com/libp2p/go-maddr-filter"
 	ma "github.com/multiformats/go-multiaddr"
-
-	blankhost "github.com/libp2p/go-libp2p-blankhost"
 )
 
 var log = logging.Logger("p2p-config")
@@ -46,7 +44,7 @@ type NATManagerC func(network.Network) bhost.NATManager
 
 type RoutingC func(host.Host) (routing.PeerRouting, error)
 
-// autoNATConfig defines the AutoNAT behavior for the libp2p host.
+// AutoNATConfig defines the AutoNAT behavior for the libp2p host.
 type AutoNATConfig struct {
 	ForceReachability   *network.Reachability
 	EnableService       bool
@@ -78,9 +76,9 @@ type Config struct {
 	Relay       bool
 	RelayOpts   []circuit.RelayOpt
 
-	ListenAddrs  []ma.Multiaddr
+	ListenAddrs     []ma.Multiaddr
-	AddrsFactory bhost.AddrsFactory
+	AddrsFactory    bhost.AddrsFactory
-	Filters      *filter.Filters
+	ConnectionGater connmgr.ConnectionGater
 
 	ConnManager connmgr.ConnManager
 	NATManager  NATManagerC
@@ -129,10 +127,7 @@ func (cfg *Config) makeSwarm(ctx context.Context) (*swarm.Swarm, error) {
 	}
 
 	// TODO: Make the swarm implementation configurable.
-	swrm := swarm.NewSwarm(ctx, pid, cfg.Peerstore, cfg.Reporter)
+	swrm := swarm.NewSwarm(ctx, pid, cfg.Peerstore, cfg.Reporter, cfg.ConnectionGater)
-	if cfg.Filters != nil {
-		swrm.Filters = cfg.Filters
-	}
 	return swrm, nil
 }
 
@@ -144,7 +139,7 @@ func (cfg *Config) addTransports(ctx context.Context, h host.Host) (err error) {
 	}
 	upgrader := new(tptu.Upgrader)
 	upgrader.PSK = cfg.PSK
-	upgrader.Filters = cfg.Filters
+	upgrader.ConnGater = cfg.ConnectionGater
 	if cfg.Insecure {
 		upgrader.Secure = makeInsecureTransport(h.ID(), cfg.PeerKey)
 	} else {
@@ -159,7 +154,7 @@ func (cfg *Config) addTransports(ctx context.Context, h host.Host) (err error) {
 		return err
 	}
 
-	tpts, err := makeTransports(h, upgrader, cfg.Transports)
+	tpts, err := makeTransports(h, upgrader, cfg.ConnectionGater, cfg.Transports)
 	if err != nil {
 		return err
 	}
@@ -312,7 +307,7 @@ func (cfg *Config) NewNode(ctx context.Context) (host.Host, error) {
 			SecurityTransports: cfg.SecurityTransports,
 			Insecure:           cfg.Insecure,
 			PSK:                cfg.PSK,
-			Filters:            cfg.Filters,
+			ConnectionGater:    cfg.ConnectionGater,
 			Reporter:           cfg.Reporter,
 			PeerKey:            autonatPrivKey,
 

config/constructor_types.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"reflect"
 
+	"github.com/libp2p/go-libp2p-core/connmgr"
 	"github.com/libp2p/go-libp2p-core/crypto"
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/mux"
@@ -15,7 +16,6 @@ import (
 	"github.com/libp2p/go-libp2p-core/transport"
 
 	tptu "github.com/libp2p/go-libp2p-transport-upgrader"
-	filter "github.com/libp2p/go-maddr-filter"
 )
 
 var (
@@ -30,24 +30,28 @@ var (
 	pstoreType    = reflect.TypeOf((*peerstore.Peerstore)(nil)).Elem()
 
 	// concrete types
-	peerIDType   = reflect.TypeOf((peer.ID)(""))
+	peerIDType    = reflect.TypeOf((peer.ID)(""))
-	filtersType  = reflect.TypeOf((*filter.Filters)(nil))
+	upgraderType  = reflect.TypeOf((*tptu.Upgrader)(nil))
-	upgraderType = reflect.TypeOf((*tptu.Upgrader)(nil))
+	pskType       = reflect.TypeOf((pnet.PSK)(nil))
-	pskType      = reflect.TypeOf((pnet.PSK)(nil))
+	connGaterType = reflect.TypeOf((*connmgr.ConnectionGater)(nil))
 )
 
 var argTypes = map[reflect.Type]constructor{
-	upgraderType: func(h host.Host, u *tptu.Upgrader) interface{} { return u },
+	upgraderType:  func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return u },
-	hostType:     func(h host.Host, u *tptu.Upgrader) interface{} { return h },
+	hostType:      func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return h },
-	networkType:  func(h host.Host, u *tptu.Upgrader) interface{} { return h.Network() },
+	networkType:   func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return h.Network() },
-	muxType:      func(h host.Host, u *tptu.Upgrader) interface{} { return u.Muxer },
+	muxType:       func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return u.Muxer },
-	securityType: func(h host.Host, u *tptu.Upgrader) interface{} { return u.Secure },
+	securityType:  func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return u.Secure },
-	pskType:      func(h host.Host, u *tptu.Upgrader) interface{} { return u.PSK },
+	pskType:       func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return u.PSK },
-	filtersType:  func(h host.Host, u *tptu.Upgrader) interface{} { return u.Filters },
+	connGaterType: func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return cg },
-	peerIDType:   func(h host.Host, u *tptu.Upgrader) interface{} { return h.ID() },
+	peerIDType:    func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return h.ID() },
-	privKeyType:  func(h host.Host, u *tptu.Upgrader) interface{} { return h.Peerstore().PrivKey(h.ID()) },
+	privKeyType: func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} {
-	pubKeyType:   func(h host.Host, u *tptu.Upgrader) interface{} { return h.Peerstore().PubKey(h.ID()) },
+		return h.Peerstore().PrivKey(h.ID())
-	pstoreType:   func(h host.Host, u *tptu.Upgrader) interface{} { return h.Peerstore() },
+	},
+	pubKeyType: func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} {
+		return h.Peerstore().PubKey(h.ID())
+	},
+	pstoreType: func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{} { return h.Peerstore() },
 }
 
 func newArgTypeSet(types ...reflect.Type) map[reflect.Type]constructor {

config/muxer.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/mux"
+
 	msmux "github.com/libp2p/go-stream-muxer-multistream"
 )
 
@@ -35,7 +36,7 @@ func MuxerConstructor(m interface{}) (MuxC, error) {
 		return nil, err
 	}
 	return func(h host.Host) (mux.Multiplexer, error) {
-		t, err := ctor(h, nil)
+		t, err := ctor(h, nil, nil)
 		if err != nil {
 			return nil, err
 		}

config/reflection_magic.go

@@ -5,7 +5,9 @@ import (
 	"reflect"
 	"runtime"
 
+	"github.com/libp2p/go-libp2p-core/connmgr"
 	"github.com/libp2p/go-libp2p-core/host"
+
 	tptu "github.com/libp2p/go-libp2p-transport-upgrader"
 )
 
@@ -76,7 +78,7 @@ func callConstructor(c reflect.Value, args []reflect.Value) (interface{}, error)
 	return val, err
 }
 
-type constructor func(h host.Host, u *tptu.Upgrader) interface{}
+type constructor func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) interface{}
 
 func makeArgumentConstructors(fnType reflect.Type, argTypes map[reflect.Type]constructor) ([]constructor, error) {
 	out := make([]constructor, fnType.NumIn())
@@ -96,7 +98,7 @@ func makeConstructor(
 	tpt interface{},
 	tptType reflect.Type,
 	argTypes map[reflect.Type]constructor,
-) (func(host.Host, *tptu.Upgrader) (interface{}, error), error) {
+) (func(host.Host, *tptu.Upgrader, connmgr.ConnectionGater) (interface{}, error), error) {
 	v := reflect.ValueOf(tpt)
 	// avoid panicing on nil/zero value.
 	if v == (reflect.Value{}) {
@@ -116,10 +118,10 @@ func makeConstructor(
 		return nil, err
 	}
 
-	return func(h host.Host, u *tptu.Upgrader) (interface{}, error) {
+	return func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) (interface{}, error) {
 		arguments := make([]reflect.Value, len(argConstructors))
 		for i, makeArg := range argConstructors {
-			arguments[i] = reflect.ValueOf(makeArg(h, u))
+			arguments[i] = reflect.ValueOf(makeArg(h, u, cg))
 		}
 		return callConstructor(v, arguments)
 	}, nil

config/security.go

@@ -42,7 +42,7 @@ func SecurityConstructor(security interface{}) (SecC, error) {
 		return nil, err
 	}
 	return func(h host.Host) (sec.SecureTransport, error) {
-		t, err := ctor(h, nil)
+		t, err := ctor(h, nil, nil)
 		if err != nil {
 			return nil, err
 		}

config/transport.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"github.com/libp2p/go-libp2p-core/connmgr"
 	"github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/transport"
 
@@ -10,7 +11,7 @@ import (
 // TptC is the type for libp2p transport constructors. You probably won't ever
 // implement this function interface directly. Instead, pass your transport
 // constructor to TransportConstructor.
-type TptC func(h host.Host, u *tptu.Upgrader) (transport.Transport, error)
+type TptC func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) (transport.Transport, error)
 
 var transportArgTypes = argTypes
 
@@ -31,13 +32,14 @@ var transportArgTypes = argTypes
 // * A security transport.
 // * A stream multiplexer transport.
 // * A private network protection key.
+// * A connection gater.
 //
 // And returns a type implementing transport.Transport and, optionally, an error
 // (as the second argument).
 func TransportConstructor(tpt interface{}) (TptC, error) {
 	// Already constructed?
 	if t, ok := tpt.(transport.Transport); ok {
-		return func(_ host.Host, _ *tptu.Upgrader) (transport.Transport, error) {
+		return func(_ host.Host, _ *tptu.Upgrader, _ connmgr.ConnectionGater) (transport.Transport, error) {
 			return t, nil
 		}, nil
 	}
@@ -45,8 +47,8 @@ func TransportConstructor(tpt interface{}) (TptC, error) {
 	if err != nil {
 		return nil, err
 	}
-	return func(h host.Host, u *tptu.Upgrader) (transport.Transport, error) {
+	return func(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater) (transport.Transport, error) {
-		t, err := ctor(h, u)
+		t, err := ctor(h, u, cg)
 		if err != nil {
 			return nil, err
 		}
@@ -54,10 +56,10 @@ func TransportConstructor(tpt interface{}) (TptC, error) {
 	}, nil
 }
 
-func makeTransports(h host.Host, u *tptu.Upgrader, tpts []TptC) ([]transport.Transport, error) {
+func makeTransports(h host.Host, u *tptu.Upgrader, cg connmgr.ConnectionGater, tpts []TptC) ([]transport.Transport, error) {
 	transports := make([]transport.Transport, len(tpts))
 	for i, tC := range tpts {
-		t, err := tC(h, u)
+		t, err := tC(h, u, cg)
 		if err != nil {
 			return nil, err
 		}

go.mod

@@ -1,5 +1,7 @@
 module github.com/libp2p/go-libp2p
 
+go 1.12
+
 require (
 	github.com/gogo/protobuf v1.3.1
 	github.com/ipfs/go-cid v0.0.5
@@ -10,32 +12,32 @@ require (
 	github.com/jbenet/goprocess v0.1.4
 	github.com/libp2p/go-conn-security-multistream v0.2.0
 	github.com/libp2p/go-eventbus v0.1.0
-	github.com/libp2p/go-libp2p-autonat v0.2.2
+	github.com/libp2p/go-libp2p-autonat v0.2.3
-	github.com/libp2p/go-libp2p-blankhost v0.1.5-0.20200504035409-3dd0148936e2
+	github.com/libp2p/go-libp2p-blankhost v0.1.6
 	github.com/libp2p/go-libp2p-circuit v0.2.2
-	github.com/libp2p/go-libp2p-core v0.5.3
+	github.com/libp2p/go-libp2p-core v0.5.5
 	github.com/libp2p/go-libp2p-discovery v0.4.0
 	github.com/libp2p/go-libp2p-loggables v0.1.0
 	github.com/libp2p/go-libp2p-mplex v0.2.3
 	github.com/libp2p/go-libp2p-nat v0.0.6
 	github.com/libp2p/go-libp2p-netutil v0.1.0
-	github.com/libp2p/go-libp2p-peerstore v0.2.3
+	github.com/libp2p/go-libp2p-peerstore v0.2.4
 	github.com/libp2p/go-libp2p-secio v0.2.2
-	github.com/libp2p/go-libp2p-swarm v0.2.3
+	github.com/libp2p/go-libp2p-swarm v0.2.4
 	github.com/libp2p/go-libp2p-testing v0.1.1
 	github.com/libp2p/go-libp2p-tls v0.1.3
-	github.com/libp2p/go-libp2p-transport-upgrader v0.2.0
+	github.com/libp2p/go-libp2p-transport-upgrader v0.3.0
 	github.com/libp2p/go-libp2p-yamux v0.2.7
-	github.com/libp2p/go-maddr-filter v0.0.5
 	github.com/libp2p/go-stream-muxer-multistream v0.3.0
 	github.com/libp2p/go-tcp-transport v0.2.0
 	github.com/libp2p/go-ws-transport v0.3.1
-	github.com/multiformats/go-multiaddr v0.2.1
+	github.com/multiformats/go-multiaddr v0.2.2
 	github.com/multiformats/go-multiaddr-dns v0.2.0
-	github.com/multiformats/go-multiaddr-net v0.1.4
+	github.com/multiformats/go-multiaddr-net v0.1.5
 	github.com/multiformats/go-multistream v0.1.1
 	github.com/stretchr/testify v1.5.1
 	github.com/whyrusleeping/mdns v0.0.0-20190826153040-b9b60ed33aa9
+	golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37 // indirect
+	golang.org/x/net v0.0.0-20200513185701-a91f0712d120 // indirect
+	golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9 // indirect
 )
-
-go 1.12

go.sum

@@ -66,7 +66,6 @@ github.com/google/gopacket v1.1.17/go.mod h1:UdDNZ1OO62aGYVnPhxT1U6aI7ukYtA/kB8v
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
 github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
@@ -106,31 +105,25 @@ github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1Y
 github.com/ipfs/go-ipfs-util v0.0.1 h1:Wz9bL2wB2YBJqggkA4dD7oSmqB4cAnpNbGrlHJulv50=
 github.com/ipfs/go-ipfs-util v0.0.1/go.mod h1:spsl5z8KUnrve+73pOhSVZND1SIxPW5RyBCNzQxlJBc=
 github.com/ipfs/go-log v0.0.1/go.mod h1:kL1d2/hzSpI0thNYjiKfjanbVNU+IIGA/WnNESY9leM=
-github.com/ipfs/go-log v1.0.2 h1:s19ZwJxH8rPWzypjcDpqPLIyV7BnbLqvpli3iZoqYK0=
 github.com/ipfs/go-log v1.0.2/go.mod h1:1MNjMxe0u6xvJZgeqbJ8vdo2TKaGwZ1a0Bpza+sr2Sk=
-github.com/ipfs/go-log v1.0.3 h1:Gg7SUYSZ7BrqaKMwM+hRgcAkKv4QLfzP4XPQt5Sx/OI=
 github.com/ipfs/go-log v1.0.3/go.mod h1:OsLySYkwIbiSUR/yBTdv1qPtcE4FW3WPWk/ewz9Ru+A=
 github.com/ipfs/go-log v1.0.4 h1:6nLQdX4W8P9yZZFH7mO+X/PzjN8Laozm/lMJ6esdgzY=
 github.com/ipfs/go-log v1.0.4/go.mod h1:oDCg2FkjogeFOhqqb+N39l2RpTNPL6F/StPkB3kPgcs=
-github.com/ipfs/go-log/v2 v2.0.2 h1:xguurydRdfKMJjKyxNXNU8lYP0VZH1NUwJRwUorjuEw=
 github.com/ipfs/go-log/v2 v2.0.2/go.mod h1:O7P1lJt27vWHhOwQmcFEvlmo49ry2VY2+JfBWFaa9+0=
-github.com/ipfs/go-log/v2 v2.0.3 h1:Q2gXcBoCALyLN/pUQlz1qgu0x3uFV6FzP9oXhpfyJpc=
 github.com/ipfs/go-log/v2 v2.0.3/go.mod h1:O7P1lJt27vWHhOwQmcFEvlmo49ry2VY2+JfBWFaa9+0=
 github.com/ipfs/go-log/v2 v2.0.5 h1:fL4YI+1g5V/b1Yxr1qAiXTMg1H8z9vx/VmJxBuQMHvU=
 github.com/ipfs/go-log/v2 v2.0.5/go.mod h1:eZs4Xt4ZUJQFM3DlanGhy7TkwwawCZcSByscwkWG+dw=
-github.com/jackpal/gateway v1.0.5 h1:qzXWUJfuMdlLMtt0a3Dgt+xkWQiA5itDEITVJtuSwMc=
 github.com/jackpal/gateway v1.0.5/go.mod h1:lTpwd4ACLXmpyiCTRtfiNyVnUmqT9RivzCDQetPfnjA=
-github.com/jackpal/go-nat-pmp v1.0.1 h1:i0LektDkO1QlrTm/cSuP+PyBCDnYvjPLGl4LdWEMiaA=
 github.com/jackpal/go-nat-pmp v1.0.1/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jbenet/go-cienv v0.0.0-20150120210510-1bb1476777ec/go.mod h1:rGaEvXB4uRSZMmzKNLoXvTu1sfx+1kv/DojUlPrSZGs=
 github.com/jbenet/go-cienv v0.1.0 h1:Vc/s0QbQtoxX8MwwSLWWh+xNNZvM3Lw7NsTcHrvvhMc=
 github.com/jbenet/go-cienv v0.1.0/go.mod h1:TqNnHUmJgXau0nCzC7kXWeotg3J9W34CUv5Djy1+FlA=
-github.com/jbenet/go-temp-err-catcher v0.0.0-20150120210811-aac704a3f4f2 h1:vhC1OXXiT9R2pczegwz6moDvuRpggaroAXhPIseh57A=
 github.com/jbenet/go-temp-err-catcher v0.0.0-20150120210811-aac704a3f4f2/go.mod h1:8GXXJV31xl8whumTzdZsTt3RnUIiPqzkyf7mxToRCMs=
+github.com/jbenet/go-temp-err-catcher v0.1.0 h1:zpb3ZH6wIE8Shj2sKS+khgRvf7T7RABoLk/+KKHggpk=
+github.com/jbenet/go-temp-err-catcher v0.1.0/go.mod h1:0kJRvmDZXNMIiJirNPEYfhpPwbGVtZVWC34vc5WLsDk=
 github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8/go.mod h1:Ly/wlsjFq/qrU3Rar62tu1gASgGw6chQbSh/XgIIXCY=
-github.com/jbenet/goprocess v0.1.3 h1:YKyIEECS/XvcfHtBzxtjBBbWK+MbvA6dG8ASiqwvr10=
 github.com/jbenet/goprocess v0.1.3/go.mod h1:5yspPrukOVuOLORacaBi858NqyClJPQxYZlqdZVfqY4=
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@@ -145,18 +138,19 @@ github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6
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@@ -168,21 +162,19 @@ github.com/libp2p/go-flow-metrics v0.0.3/go.mod h1:HeoSNUrOJVK1jEpDqVEiUOIXqhbnS
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@@ -196,15 +188,13 @@ github.com/libp2p/go-libp2p-core v0.3.1/go.mod h1:thvWy0hvaSBhnVBaW37BvzgVV68OUh
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@@ -212,11 +202,9 @@ github.com/libp2p/go-libp2p-loggables v0.1.0 h1:h3w8QFfCt2UJl/0/NW4K829HX/0S4KD3
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@@ -225,27 +213,25 @@ github.com/libp2p/go-libp2p-netutil v0.1.0/go.mod h1:3Qv/aDqtMLTUyQeundkKsA+YCTh
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@@ -255,11 +241,11 @@ github.com/libp2p/go-libp2p-testing v0.1.1/go.mod h1:xaZWMJrPUM5GlDBxCeGUi7kI4eq
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 github.com/libp2p/go-libp2p-yamux v0.2.5/go.mod h1:Zpgj6arbyQrmZ3wxSZxfBmbdnWtbZ48OpsfmQVTErwA=
 github.com/libp2p/go-libp2p-yamux v0.2.7 h1:vzKu0NVtxvEIDGCv6mjKRcK0gipSgaXmJZ6jFv0d/dk=
 github.com/libp2p/go-libp2p-yamux v0.2.7/go.mod h1:X28ENrBMU/nm4I3Nx4sZ4dgjZ6VhLEn0XhIoZ5viCwU=
@@ -268,14 +254,12 @@ github.com/libp2p/go-maddr-filter v0.0.5 h1:CW3AgbMO6vUvT4kf87y4N+0P8KUl2aqLYhrG
 github.com/libp2p/go-maddr-filter v0.0.5/go.mod h1:Jk+36PMfIqCJhAnaASRH83bdAvfDRp/w6ENFaC9bG+M=
 github.com/libp2p/go-mplex v0.0.3/go.mod h1:pK5yMLmOoBR1pNCqDlA2GQrdAVTMkqFalaTWe7l4Yd0=
 github.com/libp2p/go-mplex v0.1.0/go.mod h1:SXgmdki2kwCUlCCbfGLEgHjC4pFqhTp0ZoV6aiKgxDU=
-github.com/libp2p/go-mplex v0.1.1 h1:huPH/GGRJzmsHR9IZJJsrSwIM5YE2gL4ssgl1YWb/ps=
 github.com/libp2p/go-mplex v0.1.1/go.mod h1:Xgz2RDCi3co0LeZfgjm4OgUF15+sVR8SRcu3SFXI1lk=
 github.com/libp2p/go-mplex v0.1.2 h1:qOg1s+WdGLlpkrczDqmhYzyk3vCfsQ8+RxRTQjOZWwI=
 github.com/libp2p/go-mplex v0.1.2/go.mod h1:Xgz2RDCi3co0LeZfgjm4OgUF15+sVR8SRcu3SFXI1lk=
 github.com/libp2p/go-msgio v0.0.2/go.mod h1:63lBBgOTDKQL6EWazRMCwXsEeEeK9O2Cd+0+6OOuipQ=
 github.com/libp2p/go-msgio v0.0.4 h1:agEFehY3zWJFUHK6SEMR7UYmk2z6kC3oeCM7ybLhguA=
 github.com/libp2p/go-msgio v0.0.4/go.mod h1:63lBBgOTDKQL6EWazRMCwXsEeEeK9O2Cd+0+6OOuipQ=
-github.com/libp2p/go-nat v0.0.4 h1:KbizNnq8YIf7+Hn7+VFL/xE0eDrkPru2zIO9NMwL8UQ=
 github.com/libp2p/go-nat v0.0.4/go.mod h1:Nmw50VAvKuk38jUBcmNh6p9lUJLoODbJRvYAa/+KSDo=
 github.com/libp2p/go-nat v0.0.5 h1:qxnwkco8RLKqVh1NmjQ+tJ8p8khNLFxuElYG/TwqW4Q=
 github.com/libp2p/go-nat v0.0.5/go.mod h1:B7NxsVNPZmRLvMOwiEO1scOSyjA56zxYAGv1yQgRkEU=
@@ -285,33 +269,29 @@ github.com/libp2p/go-openssl v0.0.2/go.mod h1:v8Zw2ijCSWBQi8Pq5GAixw6DbFfa9u6VIY
 github.com/libp2p/go-openssl v0.0.3/go.mod h1:unDrJpgy3oFr+rqXsarWifmJuNnJR4chtO1HmaZjggc=
 github.com/libp2p/go-openssl v0.0.4 h1:d27YZvLoTyMhIN4njrkr8zMDOM4lfpHIp6A+TK9fovg=
 github.com/libp2p/go-openssl v0.0.4/go.mod h1:unDrJpgy3oFr+rqXsarWifmJuNnJR4chtO1HmaZjggc=
+github.com/libp2p/go-openssl v0.0.5 h1:pQkejVhF0xp08D4CQUcw8t+BFJeXowja6RVcb5p++EA=
+github.com/libp2p/go-openssl v0.0.5/go.mod h1:unDrJpgy3oFr+rqXsarWifmJuNnJR4chtO1HmaZjggc=
 github.com/libp2p/go-reuseport v0.0.1 h1:7PhkfH73VXfPJYKQ6JwS5I/eVcoyYi9IMNGc6FWpFLw=
 github.com/libp2p/go-reuseport v0.0.1/go.mod h1:jn6RmB1ufnQwl0Q1f+YxAj8isJgDCQzaaxIFYDhcYEA=
-github.com/libp2p/go-reuseport-transport v0.0.2 h1:WglMwyXyBu61CMkjCCtnmqNqnjib0GIEjMiHTwR/KN4=
 github.com/libp2p/go-reuseport-transport v0.0.2/go.mod h1:YkbSDrvjUVDL6b8XqriyA20obEtsW9BLkuOUyQAOCbs=
 github.com/libp2p/go-reuseport-transport v0.0.3 h1:zzOeXnTooCkRvoH+bSXEfXhn76+LAiwoneM0gnXjF2M=
 github.com/libp2p/go-reuseport-transport v0.0.3/go.mod h1:Spv+MPft1exxARzP2Sruj2Wb5JSyHNncjf1Oi2dEbzM=
 github.com/libp2p/go-sockaddr v0.0.2 h1:tCuXfpA9rq7llM/v834RKc/Xvovy/AqM9kHvTV/jY/Q=
 github.com/libp2p/go-sockaddr v0.0.2/go.mod h1:syPvOmNs24S3dFVGJA1/mrqdeijPxLV2Le3BRLKd68k=
 github.com/libp2p/go-stream-muxer v0.0.1/go.mod h1:bAo8x7YkSpadMTbtTaxGVHWUQsR/l5MEaHbKaliuT14=
-github.com/libp2p/go-stream-muxer-multistream v0.2.0 h1:714bRJ4Zy9mdhyTLJ+ZKiROmAFwUHpeRidG+q7LTQOg=
 github.com/libp2p/go-stream-muxer-multistream v0.2.0/go.mod h1:j9eyPol/LLRqT+GPLSxvimPhNph4sfYfMoDPd7HkzIc=
 github.com/libp2p/go-stream-muxer-multistream v0.3.0 h1:TqnSHPJEIqDEO7h1wZZ0p3DXdvDSiLHQidKKUGZtiOY=
 github.com/libp2p/go-stream-muxer-multistream v0.3.0/go.mod h1:yDh8abSIzmZtqtOt64gFJUXEryejzNb0lisTt+fAMJA=
 github.com/libp2p/go-tcp-transport v0.1.0/go.mod h1:oJ8I5VXryj493DEJ7OsBieu8fcg2nHGctwtInJVpipc=
-github.com/libp2p/go-tcp-transport v0.1.1 h1:yGlqURmqgNA2fvzjSgZNlHcsd/IulAnKM8Ncu+vlqnw=
 github.com/libp2p/go-tcp-transport v0.1.1/go.mod h1:3HzGvLbx6etZjnFlERyakbaYPdfjg2pWP97dFZworkY=
 github.com/libp2p/go-tcp-transport v0.2.0 h1:YoThc549fzmNJIh7XjHVtMIFaEDRtIrtWciG5LyYAPo=
 github.com/libp2p/go-tcp-transport v0.2.0/go.mod h1:vX2U0CnWimU4h0SGSEsg++AzvBcroCGYw28kh94oLe0=
-github.com/libp2p/go-ws-transport v0.2.0 h1:MJCw2OrPA9+76YNRvdo1wMnSOxb9Bivj6sVFY1Xrj6w=
 github.com/libp2p/go-ws-transport v0.2.0/go.mod h1:9BHJz/4Q5A9ludYWKoGCFC5gUElzlHoKzu0yY9p/klM=
-github.com/libp2p/go-ws-transport v0.3.0 h1:mjo6pL5aVR9rCjl9wNq3DupbaQlyR61pzoOT2MdtxaA=
 github.com/libp2p/go-ws-transport v0.3.0/go.mod h1:bpgTJmRZAvVHrgHybCVyqoBmyLQ1fiZuEaBYusP5zsk=
 github.com/libp2p/go-ws-transport v0.3.1 h1:ZX5rWB8nhRRJVaPO6tmkGI/Xx8XNboYX20PW5hXIscw=
 github.com/libp2p/go-ws-transport v0.3.1/go.mod h1:bpgTJmRZAvVHrgHybCVyqoBmyLQ1fiZuEaBYusP5zsk=
 github.com/libp2p/go-yamux v1.2.2/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
 github.com/libp2p/go-yamux v1.3.0/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
-github.com/libp2p/go-yamux v1.3.3 h1:mWuzZRCAeTBFdynLlsYgA/EIeMOLr8XY04wa52NRhsE=
 github.com/libp2p/go-yamux v1.3.3/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
 github.com/libp2p/go-yamux v1.3.5 h1:ibuz4naPAully0pN6J/kmUARiqLpnDQIzI/8GCOrljg=
 github.com/libp2p/go-yamux v1.3.5/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
@@ -350,6 +330,8 @@ github.com/multiformats/go-multiaddr v0.1.1/go.mod h1:aMKBKNEYmzmDmxfX88/vz+J5IU
 github.com/multiformats/go-multiaddr v0.2.0/go.mod h1:0nO36NvPpyV4QzvTLi/lafl2y95ncPj0vFwVF6k6wJ4=
 github.com/multiformats/go-multiaddr v0.2.1 h1:SgG/cw5vqyB5QQe5FPe2TqggU9WtrA9X4nZw7LlVqOI=
 github.com/multiformats/go-multiaddr v0.2.1/go.mod h1:s/Apk6IyxfvMjDafnhJgJ3/46z7tZ04iMk5wP4QMGGE=
+github.com/multiformats/go-multiaddr v0.2.2 h1:XZLDTszBIJe6m0zF6ITBrEcZR73OPUhCBBS9rYAuUzI=
+github.com/multiformats/go-multiaddr v0.2.2/go.mod h1:NtfXiOtHvghW9KojvtySjH5y0u0xW5UouOmQQrn6a3Y=
 github.com/multiformats/go-multiaddr-dns v0.0.1/go.mod h1:9kWcqw/Pj6FwxAwW38n/9403szc57zJPs45fmnznu3Q=
 github.com/multiformats/go-multiaddr-dns v0.0.2/go.mod h1:9kWcqw/Pj6FwxAwW38n/9403szc57zJPs45fmnznu3Q=
 github.com/multiformats/go-multiaddr-dns v0.2.0 h1:YWJoIDwLePniH7OU5hBnDZV6SWuvJqJ0YtN6pLeH9zA=
@@ -361,10 +343,10 @@ github.com/multiformats/go-multiaddr-net v0.0.1/go.mod h1:nw6HSxNmCIQH27XPGBuX+d
 github.com/multiformats/go-multiaddr-net v0.1.0/go.mod h1:5JNbcfBOP4dnhoZOv10JJVkJO0pCCEf8mTnipAo2UZQ=
 github.com/multiformats/go-multiaddr-net v0.1.1/go.mod h1:5JNbcfBOP4dnhoZOv10JJVkJO0pCCEf8mTnipAo2UZQ=
 github.com/multiformats/go-multiaddr-net v0.1.2/go.mod h1:QsWt3XK/3hwvNxZJp92iMQKME1qHfpYmyIjFVsSOY6Y=
-github.com/multiformats/go-multiaddr-net v0.1.3 h1:q/IYAvoPKuRzGeERn3uacWgm0LIWkLZBAvO5DxSzq3g=
 github.com/multiformats/go-multiaddr-net v0.1.3/go.mod h1:ilNnaM9HbmVFqsb/qcNysjCu4PVONlrBZpHIrw/qQuA=
-github.com/multiformats/go-multiaddr-net v0.1.4 h1:g6gwydsfADqFvrHoMkS0n9Ok9CG6F7ytOH/bJDkhIOY=
 github.com/multiformats/go-multiaddr-net v0.1.4/go.mod h1:ilNnaM9HbmVFqsb/qcNysjCu4PVONlrBZpHIrw/qQuA=
+github.com/multiformats/go-multiaddr-net v0.1.5 h1:QoRKvu0xHN1FCFJcMQLbG/yQE2z441L5urvG3+qyz7g=
+github.com/multiformats/go-multiaddr-net v0.1.5/go.mod h1:ilNnaM9HbmVFqsb/qcNysjCu4PVONlrBZpHIrw/qQuA=
 github.com/multiformats/go-multibase v0.0.1 h1:PN9/v21eLywrFWdFNsFKaU04kLJzuYzmrJR+ubhT9qA=
 github.com/multiformats/go-multibase v0.0.1/go.mod h1:bja2MqRZ3ggyXtZSEDKpl0uO/gviWFaSteVbWT51qgs=
 github.com/multiformats/go-multihash v0.0.1/go.mod h1:w/5tugSrLEbWqlcgJabL3oHFKTwfvkofsjW2Qa1ct4U=
@@ -420,7 +402,6 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
@@ -442,19 +423,16 @@ go.opencensus.io v0.22.1/go.mod h1:Ap50jQcDJrx6rB6VgeeFPtuPIf3wMRvRfrfYDO6+BmA=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3 h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/goleak v1.0.0 h1:qsup4IcBdlmsnGfqyLl4Ntn3C2XCCuKAE7DwHpScyUo=
 go.uber.org/goleak v1.0.0/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
-go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
-go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.14.1 h1:nYDKopTbvAPq/NrUVZwT15y2lpROBiLLyoRTbXOYWOo=
 go.uber.org/zap v1.14.1/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc=
@@ -470,8 +448,9 @@ golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190618222545-ea8f1a30c443/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d h1:1ZiEyfaQIg3Qh0EoqpwAakHVhecoE5wlSg5GjnafJGw=
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37 h1:cg5LA/zNPRzIXIWSCxQW10Rvpy94aQh3LT/ShoCpkHw=
+golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -491,6 +470,8 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g=
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200513185701-a91f0712d120 h1:EZ3cVSzKOlJxAd8e8YAJ7no8nNypTxexh/YE/xW3ZEY=
+golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -513,8 +494,10 @@ golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9 h1:YTzHMGlqJu67/uEo1lBv0n3wBXhXNeUbB1XfN2vmTm0=
+golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=

options.go

@@ -4,10 +4,12 @@ package libp2p
 // those are in defaults.go).
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"time"
 
+	circuit "github.com/libp2p/go-libp2p-circuit"
 	"github.com/libp2p/go-libp2p-core/connmgr"
 	"github.com/libp2p/go-libp2p-core/crypto"
 	"github.com/libp2p/go-libp2p-core/metrics"
@@ -16,12 +18,10 @@ import (
 	"github.com/libp2p/go-libp2p-core/peerstore"
 	"github.com/libp2p/go-libp2p-core/pnet"
 
-	circuit "github.com/libp2p/go-libp2p-circuit"
+	"github.com/libp2p/go-libp2p/config"
-	config "github.com/libp2p/go-libp2p/config"
 	bhost "github.com/libp2p/go-libp2p/p2p/host/basic"
 	autorelay "github.com/libp2p/go-libp2p/p2p/host/relay"
 
-	filter "github.com/libp2p/go-maddr-filter"
 	ma "github.com/multiformats/go-multiaddr"
 )
 
@@ -326,14 +326,34 @@ func AutoNATServiceRateLimit(global, perPeer int, interval time.Duration) Option
 // FilterAddresses configures libp2p to never dial nor accept connections from
 // the given addresses. FilterAddresses should be used for cases where the
 // addresses you want to deny are known ahead of time.
+//
+// Note: Using Filter + FilterAddresses at the same time is fine, but you cannot
+// configure a both ConnectionGater and filtered addresses.
+//
+// Deprecated: Please use ConnectionGater() instead.
 func FilterAddresses(addrs ...*net.IPNet) Option {
 	return func(cfg *Config) error {
-		if cfg.Filters == nil {
+		var f *FiltersConnectionGater
-			cfg.Filters = filter.NewFilters()
+
+		// preserve backwards compatibility.
+		// if we have a connection gater, try to cast it to a *FiltersConnectionGater.
+		if cfg.ConnectionGater != nil {
+			var ok bool
+			if f, ok = cfg.ConnectionGater.(*FiltersConnectionGater); !ok {
+				return errors.New("cannot configure both Filters and Connection Gater. " +
+					"\n Please consider configuring just a ConnectionGater instead.")
+			}
 		}
+
+		if f == nil {
+			f = (*FiltersConnectionGater)(ma.NewFilters())
+			cfg.ConnectionGater = f
+		}
+
 		for _, addr := range addrs {
-			cfg.Filters.AddDialFilter(addr)
+			(*ma.Filters)(f).AddFilter(*addr, ma.ActionDeny)
 		}
+
 		return nil
 	}
 }
@@ -342,9 +362,34 @@ func FilterAddresses(addrs ...*net.IPNet) Option {
 // certain addresses. Filters offers more control and should be used when the
 // addresses you want to accept/deny are not known ahead of time and can
 // dynamically change.
-func Filters(filters *filter.Filters) Option {
+//
+// Note: You cannot configure both a ConnectionGater and a Filter at the same
+// time. Under the hood, the Filters object is converted to a ConnectionGater.
+//
+// Deprecated: use ConnectionGater() instead.
+func Filters(filters *ma.Filters) Option {
+	return func(cfg *Config) error {
+		if cfg.ConnectionGater != nil {
+			return errors.New("cannot configure both Filters and Connection Gater. " +
+				"\n Please consider configuring just a ConnectionGater instead.")
+
+		}
+		cfg.ConnectionGater = (*FiltersConnectionGater)(filters)
+		return nil
+	}
+}
+
+// ConnectionGater configures libp2p to use the given ConnectionGater
+// to actively reject inbound/outbound connections based on the lifecycle stage
+// of the connection.
+//
+// For more information, refer to go-libp2p-core.ConnectionGater.
+func ConnectionGater(cg connmgr.ConnectionGater) Option {
 	return func(cfg *Config) error {
-		cfg.Filters = filters
+		if cfg.ConnectionGater != nil {
+			return errors.New("cannot configure multiple connection gaters, or cannot configure both Filters and ConnectionGater")
+		}
+		cfg.ConnectionGater = cg
 		return nil
 	}
 }

options_filter.go

@@ -0,0 +1,37 @@
+package libp2p
+
+import (
+	"github.com/libp2p/go-libp2p-core/connmgr"
+	"github.com/libp2p/go-libp2p-core/control"
+	"github.com/libp2p/go-libp2p-core/network"
+	"github.com/libp2p/go-libp2p-core/peer"
+
+	ma "github.com/multiformats/go-multiaddr"
+)
+
+// FiltersConnectionGater is an adapter that turns multiaddr.Filter into a
+// connmgr.ConnectionGater. It's not intended to be used directly by the user,
+// but it can.
+type FiltersConnectionGater ma.Filters
+
+var _ connmgr.ConnectionGater = (*FiltersConnectionGater)(nil)
+
+func (f *FiltersConnectionGater) InterceptAddrDial(_ peer.ID, addr ma.Multiaddr) (allow bool) {
+	return !(*ma.Filters)(f).AddrBlocked(addr)
+}
+
+func (f *FiltersConnectionGater) InterceptPeerDial(p peer.ID) (allow bool) {
+	return true
+}
+
+func (f *FiltersConnectionGater) InterceptAccept(_ network.ConnMultiaddrs) (allow bool) {
+	return true
+}
+
+func (f *FiltersConnectionGater) InterceptSecured(_ network.Direction, _ peer.ID, _ network.ConnMultiaddrs) (allow bool) {
+	return true
+}
+
+func (f *FiltersConnectionGater) InterceptUpgraded(_ network.Conn) (allow bool, reason control.DisconnectReason) {
+	return true, 0
+}

options_test.go

@@ -0,0 +1,72 @@
+package libp2p
+
+import (
+	"context"
+	"net"
+	"testing"
+	"time"
+
+	"github.com/libp2p/go-libp2p-core/peer"
+	"github.com/libp2p/go-libp2p-core/test"
+
+	ma "github.com/multiformats/go-multiaddr"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDeprecatedFiltersOptions(t *testing.T) {
+	require := require.New(t)
+
+	f := ma.NewFilters()
+	_, ipnet, _ := net.ParseCIDR("127.0.0.0/24")
+	f.AddFilter(*ipnet, ma.ActionDeny)
+
+	host, err := New(context.TODO(), Filters(f))
+	require.NoError(err)
+	require.NotNil(host)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	defer cancel()
+
+	id, _ := test.RandPeerID()
+	addr, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0/p2p/" + id.Pretty())
+	ai, _ := peer.AddrInfoFromP2pAddr(addr)
+
+	err = host.Connect(ctx, *ai)
+	require.Error(err)
+	require.Contains(err.Error(), "no good addresses")
+}
+
+func TestDeprecatedFiltersAndAddressesOptions(t *testing.T) {
+	require := require.New(t)
+
+	f := ma.NewFilters()
+	_, ipnet1, _ := net.ParseCIDR("127.0.0.0/24")
+	_, ipnet2, _ := net.ParseCIDR("128.0.0.0/24")
+	f.AddFilter(*ipnet1, ma.ActionDeny)
+
+	host, err := New(context.TODO(), Filters(f), FilterAddresses(ipnet2))
+	require.NoError(err)
+	require.NotNil(host)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	defer cancel()
+
+	id, _ := test.RandPeerID()
+	addr1, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0/p2p/" + id.Pretty())
+	addr2, _ := ma.NewMultiaddr("/ip4/128.0.0.1/tcp/0/p2p/" + id.Pretty())
+	ai, _ := peer.AddrInfosFromP2pAddrs(addr1, addr2)
+
+	err = host.Connect(ctx, ai[0])
+	require.Error(err)
+	require.Contains(err.Error(), "no good addresses")
+}
+
+func TestCannotSetFiltersAndConnGater(t *testing.T) {
+	require := require.New(t)
+
+	f := ma.NewFilters()
+
+	_, err := New(context.TODO(), Filters(f), ConnectionGater(nil))
+	require.Error(err)
+	require.Contains(err.Error(), "cannot configure multiple connection gaters")
+}