add a subcommand for the connmgr

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>

core/commands/swarm.go

@@ -8,17 +8,20 @@ import (
 	"path"
 	"sort"
 	"strings"
+	"time"
 
 	cmds "github.com/ipfs/go-ipfs/commands"
 	repo "github.com/ipfs/go-ipfs/repo"
 	config "github.com/ipfs/go-ipfs/repo/config"
 	"github.com/ipfs/go-ipfs/repo/fsrepo"
 	iaddr "github.com/ipfs/go-ipfs/thirdparty/ipfsaddr"
-	pstore "gx/ipfs/QmPgDWmTmuzvP7QE5zwo1TmjbJme9pmZHNujB2453jkCTr/go-libp2p-peerstore"
-	swarm "gx/ipfs/QmdQFrFnPrKRQtpeHKjZ3cVNwxmGKKS2TvhJTuN9C9yduh/go-libp2p-swarm"
 
+	pstore "gx/ipfs/QmPgDWmTmuzvP7QE5zwo1TmjbJme9pmZHNujB2453jkCTr/go-libp2p-peerstore"
 	mafilter "gx/ipfs/QmSMZwvs3n4GBikZ7hKzT17c3bk65FmyZo2JqtJ16swqCv/multiaddr-filter"
+	connmgr "gx/ipfs/QmUbUNq1Q6eE2LXqKzKW8BW1SUMqscAj9A3ot9j5suuaRb/go-libp2p-connmgr"
 	ma "gx/ipfs/QmXY77cVe7rVRQXZZQRioukUM7aRW3BTcAgJe12MCtb3Ji/go-multiaddr"
+	ifconnmgr "gx/ipfs/QmYkCrTwivapqdB3JbwvwvxymseahVkcm46ThRMAA24zCr/go-libp2p-interface-connmgr"
+	swarm "gx/ipfs/QmdQFrFnPrKRQtpeHKjZ3cVNwxmGKKS2TvhJTuN9C9yduh/go-libp2p-swarm"
 )
 
 type stringList struct {
@@ -44,6 +47,7 @@ ipfs peers in the internet.
 		"disconnect": swarmDisconnectCmd,
 		"filters":    swarmFiltersCmd,
 		"peers":      swarmPeersCmd,
+		"connmgr":    swarmConnMgrCmd,
 	},
 }
 
@@ -812,3 +816,83 @@ func filtersRemove(r repo.Repo, cfg *config.Config, toRemoveFilters []string) ([
 
 	return removed, nil
 }
+
+var swarmConnMgrCmd = &cmds.Command{
+	Helptext: cmds.HelpText{
+		Tagline: "Interact with the Connection Manager.",
+		ShortDescription: `
+Display information about the current state of the connection manager.
+`,
+	},
+	Run: func(req cmds.Request, res cmds.Response) {
+		n, err := req.InvocContext().GetNode()
+		if err != nil {
+			res.SetError(err, cmds.ErrNormal)
+			return
+		}
+
+		if n.PeerHost == nil {
+			res.SetError(errNotOnline, cmds.ErrClient)
+			return
+		}
+
+		infos := make(map[string]interface{})
+		cmgr := n.PeerHost.ConnManager()
+		switch cmgr := cmgr.(type) {
+		case nil:
+			infos["type"] = "<nil>"
+		case *ifconnmgr.NullConnMgr:
+			infos["type"] = "disabled"
+		case *connmgr.BasicConnMgr:
+			infos["type"] = "basic"
+
+			inf := cmgr.GetInfo()
+			infos["lowWater"] = inf.LowWater
+			infos["highWater"] = inf.HighWater
+			infos["lastTrim"] = inf.LastTrim
+			infos["gracePeriod"] = inf.GracePeriod.String()
+			infos["connCount"] = inf.ConnCount
+		default:
+			infos["type"] = "unknown"
+		}
+
+		res.SetOutput(infos)
+	},
+	Marshalers: cmds.MarshalerMap{
+		cmds.Text: func(res cmds.Response) (io.Reader, error) {
+			infosp, ok := res.Output().(*map[string]interface{})
+			if !ok {
+				return nil, fmt.Errorf("expected output type to be a map: %#v", res.Output())
+			}
+			infos := *infosp
+
+			buf := new(bytes.Buffer)
+
+			switch infos["type"] {
+			case "basic":
+				tstr := "<n/a>"
+				t, err := time.Parse(time.RFC3339Nano, infos["lastTrim"].(string))
+				if err != nil {
+					tstr = "<err>"
+				} else if !t.IsZero() {
+					tstr = t.String()
+				}
+
+				fmt.Fprintf(buf, "Type: basic\n")
+				fmt.Fprintf(buf, "Low Water: %d\n", int(infos["lowWater"].(float64)))
+				fmt.Fprintf(buf, "High Water: %d\n", int(infos["highWater"].(float64)))
+				fmt.Fprintf(buf, "Grace Period: %s\n", infos["gracePeriod"])
+				fmt.Fprintf(buf, "Connection Count: %d\n", int(infos["connCount"].(float64)))
+				fmt.Fprintf(buf, "Last Trim: %s\n", tstr)
+			case "none":
+				fmt.Println("Connection Manager Disabled")
+			default:
+				log.Errorf("unknown connection manager type: %s", infos["type"])
+				fmt.Println("Unknown Connection Manager Settings")
+			}
+
+			return buf, nil
+		},
+	},
+	Type: make(map[string]interface{}),
+}

core/core.go

@@ -45,7 +45,6 @@ import (
 	yamux "gx/ipfs/QmNWCEvi7bPRcvqAV8AKLGVNoQdArWi7NJayka2SM4XtRe/go-smux-yamux"
 	cid "gx/ipfs/QmNp85zy9RLrQ5oQD4hPyS39ezrrXpcaa7R4Y9kxdWQLLQ/go-cid"
 	mplex "gx/ipfs/QmP81tTizXSjKTLWhjty1rabPQHe1YPMj6Bq5gR5fWZakn/go-smux-multiplex"
-	connmgr "gx/ipfs/QmPErLx83hgF5XKqjeYaLWXJSFon4mH7YPzoftUvfrPgQG/go-libp2p-connmgr"
 	routing "gx/ipfs/QmPR2JzfKd9poHx9XBhzoFeBBC31ZM3W5iUPKJZWyaoZZm/go-libp2p-routing"
 	pstore "gx/ipfs/QmPgDWmTmuzvP7QE5zwo1TmjbJme9pmZHNujB2453jkCTr/go-libp2p-peerstore"
 	mafilter "gx/ipfs/QmQBB2dQLmQHJgs2gqZ3iqL2XiuCtUCvXzWt5kMXDf5Zcr/go-maddr-filter"
@@ -57,6 +56,7 @@ import (
 	logging "gx/ipfs/QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52/go-log"
 	b58 "gx/ipfs/QmT8rehPR3F6bmwL6zjUN8XpiDBFFpMP2myPdC6ApsWfJf/go-base58"
 	floodsub "gx/ipfs/QmUUSLfvihARhCxxgnjW4hmycJpPvzNu12Aaz6JWVdfnLg/go-libp2p-floodsub"
+	connmgr "gx/ipfs/QmUbUNq1Q6eE2LXqKzKW8BW1SUMqscAj9A3ot9j5suuaRb/go-libp2p-connmgr"
 	addrutil "gx/ipfs/QmVJGsPeK3vwtEyyTxpCs47yjBYMmYsAhEouPDF3Gb2eK3/go-addr-util"
 	ds "gx/ipfs/QmVSase1JP7cq9QkPT46oNwdp9pT6kBkG3oqS14y3QcZjG/go-datastore"
 	mssmux "gx/ipfs/QmVniQJkdzLZaZwzwMdd3dJTvWiJ1DQEkreVy6hs6h7Vk5/go-smux-multistream"

package.json

@@ -472,9 +472,9 @@
     },
     {
       "author": "whyrusleeping",
-      "hash": "QmPErLx83hgF5XKqjeYaLWXJSFon4mH7YPzoftUvfrPgQG",
+      "hash": "QmUbUNq1Q6eE2LXqKzKW8BW1SUMqscAj9A3ot9j5suuaRb",
       "name": "go-libp2p-connmgr",
-      "version": "0.3.2"
+      "version": "0.3.3"
     },
     {
       "author": "why",

test/sharness/t0140-swarm.sh

@@ -97,4 +97,47 @@ test_expect_success "Addresses.NoAnnounce with /ipcidr affects addresses" '
 
 test_kill_ipfs_daemon
 
+test_launch_ipfs_daemon
+
+test_expect_success "ipfs swarm connmgr shows default settings" '
+	ipfs swarm connmgr > connmgr_out &&
+	grep "Low Water: 600" connmgr_out &&
+	grep "High Water: 900" connmgr_out &&
+	grep "Type: basic" connmgr_out
+'
+
+test_kill_ipfs_daemon
+
+test_expect_success "clear out connmgr config" '
+	ipfs config --json Swarm.ConnMgr.HighWater 1500
+	ipfs config Swarm.ConnMgr.GracePeriod "3s"
+'
+
+test_launch_ipfs_daemon
+
+test_expect_success "ipfs swarm connmgr shows modified settings" '
+	ipfs swarm connmgr > connmgr_out &&
+	grep "Low Water: 600" connmgr_out &&
+	grep "Grace Period: 3s" connmgr_out &&
+	grep "High Water: 1500" connmgr_out &&
+	grep "Type: basic" connmgr_out
+'
+
+test_kill_ipfs_daemon
+
+test_expect_success "clear out connmgr config" '
+	ipfs config --json Swarm.ConnMgr "{}"
+'
+
+test_launch_ipfs_daemon
+
+test_expect_success "ipfs swarm connmgr shows default settings" '
+	ipfs swarm connmgr > connmgr_out &&
+	grep "Low Water: 600" connmgr_out &&
+	grep "High Water: 900" connmgr_out &&
+	grep "Type: basic" connmgr_out
+'
+
+test_kill_ipfs_daemon
+
 test_done