diff --git a/dht.go b/dht.go index 0085a5ae4..8c7ba8a9f 100644 --- a/dht.go +++ b/dht.go @@ -4,9 +4,17 @@ import ( "bytes" "context" "errors" + "fmt" "sync" "time" + "go.opencensus.io/metric/metricdata" + + "go.opencensus.io/stats" + + "github.com/libp2p/go-libp2p-kad-dht/metrics" + "go.opencensus.io/tag" + "golang.org/x/xerrors" opts "github.com/libp2p/go-libp2p-kad-dht/opts" @@ -128,26 +136,62 @@ func NewDHTClient(ctx context.Context, h host.Host, dstore ds.Batching) *IpfsDHT func makeDHT(ctx context.Context, h host.Host, dstore ds.Batching, protocols []protocol.ID) *IpfsDHT { rt := kb.NewRoutingTable(KValue, kb.ConvertPeerID(h.ID()), time.Minute, h.Peerstore()) - cmgr := h.ConnManager() - rt.PeerAdded = func(p peer.ID) { - cmgr.TagPeer(p, "kbucket", 5) - } - rt.PeerRemoved = func(p peer.ID) { - cmgr.UntagPeer(p, "kbucket") - } - - return &IpfsDHT{ + dht := &IpfsDHT{ datastore: dstore, self: h.ID(), peerstore: h.Peerstore(), host: h, strmap: make(map[peer.ID]*messageSender), - ctx: ctx, providers: providers.NewProviderManager(ctx, h.ID(), dstore), birth: time.Now(), routingTable: rt, protocols: protocols, } + dht.ctx = dht.withLocalTags(ctx) + + cmgr := h.ConnManager() + rt.PeerAdded = func(p peer.ID) { + cmgr.TagPeer(p, "kbucket", 5) + stats.Record(dht.ctx, metrics.RoutingTablePeersAdded.M(1)) + } + rt.PeerRemoved = func(p peer.ID) { + cmgr.UntagPeer(p, "kbucket") + stats.Record(dht.ctx, metrics.RoutingTablePeersRemoved.M(1)) + } + metrics.RoutingTableNumEntries.UpsertEntry( + func() int64 { + return int64(rt.Size()) + }, + metricdata.LabelValue{dht.localPeerIdTagValue(), true}, + metricdata.LabelValue{dht.instanceIdTagValue(), true}, + ) + return dht +} + +func (dht *IpfsDHT) localPeerIdTagValue() string { + return dht.self.String() +} + +func (dht *IpfsDHT) instanceIdTagValue() string { + return fmt.Sprintf("%p", dht) +} + +func (dht *IpfsDHT) tagMutators() []tag.Mutator { + return []tag.Mutator{ + tag.Upsert(metrics.KeyLocalPeerID, dht.localPeerIdTagValue()), + tag.Upsert(metrics.KeyInstanceID, dht.instanceIdTagValue()), + } +} + +func (dht *IpfsDHT) withLocalTags(ctx context.Context) context.Context { + ctx, err := tag.New( + ctx, + dht.tagMutators()..., + ) + if err != nil { + panic(err) + } + return ctx } // putValueToPeer stores the given key/value pair at the peer 'p' diff --git a/dht_net.go b/dht_net.go index b05f3b778..898421577 100644 --- a/dht_net.go +++ b/dht_net.go @@ -10,9 +10,12 @@ import ( ggio "github.com/gogo/protobuf/io" ctxio "github.com/jbenet/go-context/io" + "github.com/libp2p/go-libp2p-kad-dht/metrics" pb "github.com/libp2p/go-libp2p-kad-dht/pb" inet "github.com/libp2p/go-libp2p-net" peer "github.com/libp2p/go-libp2p-peer" + "go.opencensus.io/stats" + "go.opencensus.io/tag" ) var dhtReadMessageTimeout = time.Minute @@ -55,6 +58,7 @@ func (dht *IpfsDHT) handleNewStream(s inet.Stream) { // Returns true on orderly completion of writes (so we can Close the stream). func (dht *IpfsDHT) handleNewMessage(s inet.Stream) bool { ctx := dht.Context() + cr := ctxio.NewReader(ctx, s) // ok to use. we defer close stream in this func cw := ctxio.NewWriter(ctx, s) // ok to use. we defer close stream in this func r := ggio.NewDelimitedReader(cr, inet.MessageSizeMax) @@ -76,6 +80,17 @@ func (dht *IpfsDHT) handleNewMessage(s inet.Stream) bool { case nil: } + startedHandling := time.Now() + + stats.RecordWithTags( + ctx, + []tag.Mutator{ + tag.Upsert(metrics.KeyMessageType, req.GetType().String()), + }, + metrics.ReceivedMessages.M(1), + metrics.ReceivedMessageSizeBytes.M(int64(req.Size())), + ) + handler := dht.handlerForMsgType(req.GetType()) if handler == nil { logger.Warningf("can't handle received message of type %v", req.GetType()) @@ -104,13 +119,31 @@ func (dht *IpfsDHT) handleNewMessage(s inet.Stream) bool { return false } + stats.RecordWithTags( + ctx, + []tag.Mutator{metrics.UpsertMessageType(&req)}, + metrics.InboundRequestHandlingTimeMs.M(time.Since(startedHandling).Seconds()*1000), + ) } } -// sendRequest sends out a request, but also makes sure to -// measure the RTT for latency measurements. -func (dht *IpfsDHT) sendRequest(ctx context.Context, p peer.ID, pmes *pb.Message) (*pb.Message, error) { +// Starts a timer for message write latency, and returns a function to be called immediately before +// writing the message. +func (dht *IpfsDHT) beginMessageWriteLatency(ctx context.Context, m *pb.Message) func() { + now := time.Now() + return func() { + stats.RecordWithTags( + ctx, + append(dht.tagMutators(), metrics.UpsertMessageType(m)), + metrics.MessageWriteLatencyMs.M(time.Since(now).Seconds()*1000), + ) + } +} +// sendRequest sends out a request, but also makes sure to measure the RTT for latency measurements. +func (dht *IpfsDHT) sendRequest(ctx context.Context, p peer.ID, pmes *pb.Message) (*pb.Message, error) { + dht.recordOutboundMessage(ctx, pmes) + beforeWrite := dht.beginMessageWriteLatency(ctx, pmes) ms, err := dht.messageSenderForPeer(ctx, p) if err != nil { return nil, err @@ -118,7 +151,7 @@ func (dht *IpfsDHT) sendRequest(ctx context.Context, p peer.ID, pmes *pb.Message start := time.Now() - rpmes, err := ms.SendRequest(ctx, pmes) + rpmes, err := ms.SendRequest(ctx, pmes, beforeWrite) if err != nil { return nil, err } @@ -133,18 +166,29 @@ func (dht *IpfsDHT) sendRequest(ctx context.Context, p peer.ID, pmes *pb.Message // sendMessage sends out a message func (dht *IpfsDHT) sendMessage(ctx context.Context, p peer.ID, pmes *pb.Message) error { + dht.recordOutboundMessage(ctx, pmes) + beforeWrite := dht.beginMessageWriteLatency(ctx, pmes) ms, err := dht.messageSenderForPeer(ctx, p) if err != nil { return err } - if err := ms.SendMessage(ctx, pmes); err != nil { + if err := ms.SendMessage(ctx, pmes, beforeWrite); err != nil { return err } logger.Event(ctx, "dhtSentMessage", dht.self, p, pmes) return nil } +func (dht *IpfsDHT) recordOutboundMessage(ctx context.Context, m *pb.Message) { + stats.RecordWithTags( + ctx, + append(dht.tagMutators(), metrics.UpsertMessageType(m)), + metrics.SentMessages.M(1), + metrics.SentMessageSizeBytes.M(int64(m.Size())), + ) +} + func (dht *IpfsDHT) updateFromMessage(ctx context.Context, p peer.ID, mes *pb.Message) error { // Make sure that this node is actually a DHT server, not just a client. protos, err := dht.peerstore.SupportsProtocols(p, dht.protocolStrs()...) @@ -244,7 +288,7 @@ func (ms *messageSender) prep(ctx context.Context) error { // behaviour. const streamReuseTries = 3 -func (ms *messageSender) SendMessage(ctx context.Context, pmes *pb.Message) error { +func (ms *messageSender) SendMessage(ctx context.Context, pmes *pb.Message, beforeWrite func()) error { ms.lk.Lock() defer ms.lk.Unlock() retry := false @@ -253,6 +297,7 @@ func (ms *messageSender) SendMessage(ctx context.Context, pmes *pb.Message) erro return err } + beforeWrite() if err := ms.writeMsg(pmes); err != nil { ms.s.Reset() ms.s = nil @@ -280,7 +325,7 @@ func (ms *messageSender) SendMessage(ctx context.Context, pmes *pb.Message) erro } } -func (ms *messageSender) SendRequest(ctx context.Context, pmes *pb.Message) (*pb.Message, error) { +func (ms *messageSender) SendRequest(ctx context.Context, pmes *pb.Message, beforeWrite func()) (*pb.Message, error) { ms.lk.Lock() defer ms.lk.Unlock() retry := false @@ -289,6 +334,7 @@ func (ms *messageSender) SendRequest(ctx context.Context, pmes *pb.Message) (*pb return nil, err } + beforeWrite() if err := ms.writeMsg(pmes); err != nil { ms.s.Reset() ms.s = nil @@ -303,6 +349,8 @@ func (ms *messageSender) SendRequest(ctx context.Context, pmes *pb.Message) (*pb } } + startedWaitingForResponse := time.Now() + mes := new(pb.Message) if err := ms.ctxReadMsg(ctx, mes); err != nil { ms.s.Reset() @@ -318,6 +366,12 @@ func (ms *messageSender) SendRequest(ctx context.Context, pmes *pb.Message) (*pb } } + stats.RecordWithTags(ctx, + []tag.Mutator{ + tag.Upsert(metrics.KeyMessageType, pmes.Type.String()), + }, + metrics.OutboundRequestResponseLatencyMs.M(time.Since(startedWaitingForResponse).Seconds()*1000)) + logger.Event(ctx, "dhtSentMessage", ms.dht.self, ms.p, pmes) if ms.singleMes > streamReuseTries { diff --git a/go.mod b/go.mod index ef2a1c152..2b4507f19 100644 --- a/go.mod +++ b/go.mod @@ -4,23 +4,23 @@ require ( github.com/gogo/protobuf v1.2.1 github.com/hashicorp/golang-lru v0.5.1 github.com/ipfs/go-cid v0.0.1 - github.com/ipfs/go-datastore v0.0.4 + github.com/ipfs/go-datastore v0.0.1 github.com/ipfs/go-ipfs-util v0.0.1 github.com/ipfs/go-log v0.0.1 github.com/ipfs/go-todocounter v0.0.1 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8 - github.com/libp2p/go-libp2p v0.0.12 + github.com/libp2p/go-libp2p v0.0.2 github.com/libp2p/go-libp2p-crypto v0.0.1 github.com/libp2p/go-libp2p-host v0.0.1 github.com/libp2p/go-libp2p-kbucket v0.0.1 - github.com/libp2p/go-libp2p-net v0.0.2 - github.com/libp2p/go-libp2p-peer v0.0.1 - github.com/libp2p/go-libp2p-peerstore v0.0.2 + github.com/libp2p/go-libp2p-net v0.0.1 + github.com/libp2p/go-libp2p-peer v0.1.0 + github.com/libp2p/go-libp2p-peerstore v0.0.1 github.com/libp2p/go-libp2p-protocol v0.0.1 github.com/libp2p/go-libp2p-record v0.0.1 github.com/libp2p/go-libp2p-routing v0.0.1 - github.com/libp2p/go-libp2p-swarm v0.0.2 + github.com/libp2p/go-libp2p-swarm v0.0.1 github.com/libp2p/go-testutil v0.0.1 github.com/mr-tron/base58 v1.1.0 github.com/multiformats/go-multiaddr v0.0.1 @@ -28,5 +28,7 @@ require ( github.com/multiformats/go-multistream v0.0.1 github.com/stretchr/testify v1.3.0 github.com/whyrusleeping/base32 v0.0.0-20170828182744-c30ac30633cc + go.opencensus.io v0.19.2 golang.org/x/xerrors v0.0.0-20190212162355-a5947ffaace3 + gopkg.in/yaml.v2 v2.2.2 // indirect ) diff --git a/go.sum b/go.sum index 42f699a1f..9c8d54b7b 100644 --- a/go.sum +++ b/go.sum @@ -1,6 +1,16 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +git.apache.org/thrift.git v0.12.0/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg= github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y= +github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo= +github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI= github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII= +github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= +github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= +github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ= +github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32 h1:qkOC5Gd33k54tobS36cXdAzJbeHaduLtnLQQwNoIi78= github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32/go.mod h1:DrZx5ec/dmnfpw9KyYoQyYo7d0KEvTkk/5M/vbZjAr8= github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA= @@ -10,47 +20,66 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc= github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY= github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/coreos/go-semver v0.2.0 h1:3Jm3tLmsgAYcjC+4Up7hJrFBPr+n7rAqYeSw/SZazuY= github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/dgraph-io/badger v1.5.5-0.20190226225317-8115aed38f8f/go.mod h1:VZxzAIRPHRVNRKRo6AXrX9BJegn6il06VMTZVJYCIjQ= github.com/dgryski/go-farm v0.0.0-20190104051053-3adb47b1fb0f/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw= github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= +github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs= +github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU= +github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I= +github.com/fd/go-nat v1.0.0 h1:DPyQ97sxA9ThrWYRPcWUz/z9TnpTIGRYODIQc/dy64M= +github.com/fd/go-nat v1.0.0/go.mod h1:BTBu/CKvMmOMUPkKVef1pngt2WFH/lg7E6yQnulfp6E= github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/go-check/check v0.0.0-20180628173108-788fd7840127 h1:0gkP6mzaMqkmpcJYCFOLkIBwI7xFExG03bbkOkCvUPI= github.com/go-check/check v0.0.0-20180628173108-788fd7840127/go.mod h1:9ES+weclKsC9YodN5RgxqK/VD9HM9JsCSh7rNhMZE98= +github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= +github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE= +github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= +github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= +github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE= github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4= +github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= +github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E= +github.com/golang/mock v1.1.1/go.mod 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v0.0.0-20160826012719-b497e2f366b8/go.mod h1:Ly/wlsjFq/qrU3Rar62tu1gASgGw6chQbSh/XgIIXCY= github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI= github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ= +github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4= -github.com/koron/go-ssdp v0.0.0-20180514024734-4a0ed625a78b h1:wxtKgYHEncAU00muMD06dzLiahtGM1eouRNOzVV7tdQ= -github.com/koron/go-ssdp v0.0.0-20180514024734-4a0ed625a78b/go.mod h1:5Ky9EC2xfoUKUor0Hjgi2BJhCSXJfMOFlmyYrVKGQMk= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod 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h1:hPMAWktf9rYi3ME4MG48qE7dq1ofJxiQbf github.com/libp2p/go-libp2p-routing v0.0.1/go.mod h1:N51q3yTr4Zdr7V8Jt2JIktVU+3xBBylx1MZeVA6t1Ys= github.com/libp2p/go-libp2p-secio v0.0.1 h1:CqE/RdsizOwItdgLe632iyft/w0tshDLmZGAiKDcUAI= github.com/libp2p/go-libp2p-secio v0.0.1/go.mod h1:IdG6iQybdcYmbTzxp4J5dwtUEDTOvZrT0opIDVNPrJs= +github.com/libp2p/go-libp2p-swarm v0.0.1 h1:Vne+hjaDwXqzgNwQ2vb2YKbnbOTyXjtS47stT66Apc4= github.com/libp2p/go-libp2p-swarm v0.0.1/go.mod h1:mh+KZxkbd3lQnveQ3j2q60BM1Cw2mX36XXQqwfPOShs= -github.com/libp2p/go-libp2p-swarm v0.0.2 h1:cpHHXTeU2IgUu8LPemF7vaLPGtVC6VxMoll2EwqlC+E= -github.com/libp2p/go-libp2p-swarm v0.0.2/go.mod h1:n0cAAcKyndIrJWctQwjqXlAdIPBZzfdpBjx1SSvz30g= github.com/libp2p/go-libp2p-transport v0.0.1/go.mod h1:UzbUs9X+PHOSw7S3ZmeOxfnwaQY5vGDzZmKPod3N3tk= github.com/libp2p/go-libp2p-transport v0.0.4 h1:/CPHQMN75/IQwkhBxxIo6p6PtL3rwFZtlzBROT3e8mw= github.com/libp2p/go-libp2p-transport v0.0.4/go.mod h1:StoY3sx6IqsP6XKoabsPnHCwqKXWUMWU7Rfcsubee/A= @@ -151,25 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h1:HHwN1K12I+XllBCrqKnhX949Orn4oawPk github.com/multiformats/go-multihash v0.0.1/go.mod h1:w/5tugSrLEbWqlcgJabL3oHFKTwfvkofsjW2Qa1ct4U= github.com/multiformats/go-multistream v0.0.1 h1:JV4VfSdY9n7ECTtY59/TlSyFCzRILvYx4T4Ws8ZgihU= github.com/multiformats/go-multistream v0.0.1/go.mod h1:fJTiDfXJVmItycydCnNx4+wSzZ5NwG2FEVAI30fiovg= +github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs= github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= @@ -199,11 +230,26 @@ github.com/onsi/gomega v1.4.3 h1:RE1xgDvH7imwFD45h+u2SgIfERHlS2yNG4DObb5BSKU= github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/opentracing/opentracing-go v1.0.2 h1:3jA2P6O1F9UOrWVpwrIo17pu01KWvNWg4X946/Y5Zwg= 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github.com/whyrusleeping/go-smux-yamux v2.0.8+incompatible/go.mod h1:6qHUzBXUbB9MXmw3AUdB52L8sEb/hScCqOdW2kj/wuI= github.com/whyrusleeping/go-smux-yamux v2.0.9+incompatible h1:nVkExQ7pYlN9e45LcqTCOiDD0904fjtm0flnHZGbXkw= github.com/whyrusleeping/go-smux-yamux v2.0.9+incompatible/go.mod h1:6qHUzBXUbB9MXmw3AUdB52L8sEb/hScCqOdW2kj/wuI= @@ -229,29 +276,82 @@ github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7 h1: github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7/go.mod h1:X2c0RVCI1eSUFI8eLcY3c0423ykwiUdxLJtkDvruhjI= github.com/whyrusleeping/yamux v1.1.5 h1:4CK3aUUJQu0qpKZv5gEWJjNOQtdbdDhVVS6PJ+HimdE= github.com/whyrusleeping/yamux v1.1.5/go.mod h1:E8LnQQ8HKx5KD29HZFUwM1PxCOdPRzGwur1mcYhXcD8= +go.opencensus.io v0.19.1 h1:gPYKQ/GAQYR2ksU+qXNmq3CrOZWT1kkryvW6O0v1acY= +go.opencensus.io v0.19.1/go.mod h1:gug0GbSHa8Pafr0d2urOSgoXHZ6x/RUlaiT0d9pqb4A= +go.opencensus.io v0.19.2 h1:ZZpq6xI6kv/LuE/5s5UQvBU5vMjvRnPb8PvJrIntAnc= +go.opencensus.io 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h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/metrics/opencensus.go b/metrics/opencensus.go new file mode 100644 index 000000000..01e135e91 --- /dev/null +++ b/metrics/opencensus.go @@ -0,0 +1,91 @@ +package metrics + +import ( + pb "github.com/libp2p/go-libp2p-kad-dht/pb" + "go.opencensus.io/metric" + "go.opencensus.io/metric/metricdata" + "go.opencensus.io/stats" + "go.opencensus.io/stats/view" + "go.opencensus.io/tag" +) + +var ( + messageSizeBytesDistribution = view.Distribution(0, 1, 10, 30, 70, 100, 200, 1000, 10000) + latencyMillisecondsDistribution = view.Distribution(0, 1, 10, 100, 300, 1000, 10000, 100000) +) + +// Keys +var ( + KeyMessageType, _ = tag.NewKey("message_type") + KeyLocalPeerID, _ = tag.NewKey("local_peer_id") + // KeyInstanceID identifies a DHT instance by the pointer address. Useful for differentiating + // between different DHTs that have the same peer id. + KeyInstanceID, _ = tag.NewKey("instance_id") +) + +func UpsertMessageType(m *pb.Message) tag.Mutator { + return tag.Upsert(KeyMessageType, m.Type.String()) +} + +const namePrefix = "libp2p_dht_kad_" + +var ( + ReceivedMessages = stats.Int64(namePrefix+"received_messages", "Total number of messages received", stats.UnitDimensionless) + ReceivedMessageSizeBytes = stats.Int64(namePrefix+"received_message_size_bytes", "Received message sizes", stats.UnitBytes) + InboundRequestHandlingTimeMs = stats.Float64(namePrefix+"inbound_request_handling_time_ms", "Inbound request processing time", stats.UnitMilliseconds) + + SentMessages = stats.Int64(namePrefix+"sent_messages", "Total number of messages sent", stats.UnitDimensionless) + SentMessageSizeBytes = stats.Int64(namePrefix+"sent_message_size_bytes", "Sent message sizes", stats.UnitBytes) + OutboundRequestResponseLatencyMs = stats.Float64(namePrefix+"outbound_request_response_latency_ms", "Outbound request latency", stats.UnitMilliseconds) + MessageWriteLatencyMs = stats.Float64( + namePrefix+"message_write_latency_ms", + "Time between wanting to send a message, and writing it", + stats.UnitMilliseconds, + ) + + RoutingTablePeersAdded = stats.Int64(namePrefix+"routing_table_peers_added", "", stats.UnitDimensionless) + RoutingTablePeersRemoved = stats.Int64(namePrefix+"routing_table_peers_removed", "", stats.UnitDimensionless) + + GaugeRegistry = metric.NewRegistry() + RoutingTableNumEntries, _ = GaugeRegistry.AddInt64DerivedGauge( + "routing_table_num_entries", "", metricdata.UnitDimensionless, + KeyLocalPeerID.Name(), KeyInstanceID.Name()) +) + +var Views = []*view.View{{ + Measure: ReceivedMessages, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: view.Count(), +}, { + Measure: ReceivedMessageSizeBytes, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: messageSizeBytesDistribution, +}, { + Measure: InboundRequestHandlingTimeMs, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: latencyMillisecondsDistribution, +}, { + Measure: SentMessages, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: view.Count(), +}, { + Measure: OutboundRequestResponseLatencyMs, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: latencyMillisecondsDistribution, +}, { + Measure: SentMessageSizeBytes, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: messageSizeBytesDistribution, +}, { + Measure: MessageWriteLatencyMs, + TagKeys: []tag.Key{KeyMessageType, KeyLocalPeerID, KeyInstanceID}, + Aggregation: view.Distribution(0, 1, 10, 100), +}, { + Measure: RoutingTablePeersAdded, + TagKeys: []tag.Key{KeyLocalPeerID, KeyInstanceID}, + Aggregation: view.Count(), +}, { + Measure: RoutingTablePeersRemoved, + TagKeys: []tag.Key{KeyLocalPeerID, KeyInstanceID}, + Aggregation: view.Count(), +}}