remove libp2p connection manager as we are going to track peers

cmd/bee/cmd/start.go

@@ -38,9 +38,6 @@ func (c *command) initStartCmd() (err error) {
 		optionNameDebugAPIAddr   = "debug-api-addr"
 		optionNameBootnodes      = "bootnode"
 		optionNameNetworkID      = "network-id"
-		optionNameConnectionsLow   = "connections-low"
-		optionNameConnectionsHigh  = "connections-high"
-		optionNameConnectionsGrace = "connections-grace"
 		optionNameVerbosity      = "verbosity"
 	)
 
@@ -103,9 +100,6 @@ func (c *command) initStartCmd() (err error) {
 					DisableQUIC: c.config.GetBool(optionNameP2PDisableQUIC),
 					Bootnodes:   c.config.GetStringSlice(optionNameBootnodes),
 					NetworkID:   c.config.GetInt32(optionNameNetworkID),
-					ConnectionsLow:   c.config.GetInt(optionNameConnectionsLow),
-					ConnectionsHigh:  c.config.GetInt(optionNameConnectionsHigh),
-					ConnectionsGrace: c.config.GetDuration(optionNameConnectionsGrace),
 					Logger:      logger,
 				},
 				Logger: logger,
@@ -164,9 +158,6 @@ func (c *command) initStartCmd() (err error) {
 	cmd.Flags().Bool(optionNameEnableDebugAPI, false, "enable debug HTTP API")
 	cmd.Flags().String(optionNameDebugAPIAddr, ":6060", "debug HTTP API listen address")
 	cmd.Flags().Int32(optionNameNetworkID, 1, "ID of the Swarm network")
-	cmd.Flags().Int(optionNameConnectionsLow, 200, "low watermark governing the number of connections that'll be maintained")
-	cmd.Flags().Int(optionNameConnectionsHigh, 400, "high watermark governing the number of connections that'll be maintained")
-	cmd.Flags().Duration(optionNameConnectionsGrace, time.Minute, "the amount of time a newly opened connection is given before it becomes subject to pruning")
 	cmd.Flags().String(optionNameVerbosity, "info", "log verbosity level 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=trace")
 
 	c.root.AddCommand(cmd)

pkg/p2p/libp2p/libp2p.go

@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"net"
-	"time"
 
 	"github.com/ethersphere/bee/pkg/logging"
 	"github.com/ethersphere/bee/pkg/p2p"
@@ -18,7 +17,6 @@ import (
 	"github.com/ethersphere/bee/pkg/swarm"
 	"github.com/libp2p/go-libp2p"
 	autonat "github.com/libp2p/go-libp2p-autonat-svc"
-	connmgr "github.com/libp2p/go-libp2p-connmgr"
 	crypto "github.com/libp2p/go-libp2p-core/crypto"
 	"github.com/libp2p/go-libp2p-core/helpers"
 	"github.com/libp2p/go-libp2p-core/host"
@@ -51,9 +49,6 @@ type Options struct {
 	DisableQUIC bool
 	Bootnodes   []string
 	NetworkID   int32
-	ConnectionsLow   int
-	ConnectionsHigh  int
-	ConnectionsGrace time.Duration
 	Logger      logging.Logger
 }
 
@@ -107,13 +102,6 @@ func New(ctx context.Context, o Options) (*Service, error) {
 		libp2p.Security(secio.ID, secio.New),
 		// support any other default transports (TCP)
 		libp2p.DefaultTransports,
-		// Let's prevent our peer from having too many
-		// connections by attaching a connection manager.
-		libp2p.ConnectionManager(connmgr.NewConnManager(
-			o.ConnectionsLow,
-			o.ConnectionsHigh,
-			o.ConnectionsGrace,
-		)),
 		// Attempt to open ports using uPNP for NATed hosts.
 		libp2p.NATPortMap(),
 	}