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c179100
tabwriter.NewWriter(os.Stdout, 1, 0, 4, ' ', 0) err := Usagef(prefix, spec, tabs, DefaultTableFormat) tabs.Flush() return err }
c179101
"" { reqB, err := strconv.ParseBool(req) if err != nil { return "", err } if reqB { req = "true" } } return req, nil }, } tmpl, err := template.New("envconfig").Funcs(functions).Parse(format) if err != nil { return err } return Usaget(prefix, spec, out, tmpl) }
c179102
gatherInfo(prefix, spec) if err != nil { return err } return tmpl.Execute(out, infos) }
c179103
= fmt.Errorf("null: cannot scan type %T into null.Time: %v", value, value) } t.Valid = err == nil return err }
c179104
{ if !t.Valid { return nil, nil } return t.Time, nil }
c179105
Time { return Time{ Time: t, Valid: valid, } }
c179106
NewTime(time.Time{}, false) } return NewTime(*t, true) }
c179107
if !t.Valid { return time.Time{} } return t.Time }
c179108
return []byte("null"), nil } return t.Time.MarshalJSON() }
c179109
{ t.Time = v t.Valid = true }
c179110
if !t.Valid { return nil } return &t.Time }
c179111
Bool{ NullBool: sql.NullBool{ Bool: b, Valid: valid, }, } }
c179112
NewBool(false, false) } return NewBool(*b, true) }
c179113
= false return nil default: err = fmt.Errorf("json: cannot unmarshal %v into Go value of type null.Bool", reflect.TypeOf(v).Name()) } b.Valid = err == nil return err }
c179114
= false default: b.Valid = false return errors.New("invalid input:" + str) } b.Valid = true return nil }
c179115
return []byte("false"), nil } return []byte("true"), nil }
c179116
= v b.Valid = true }
c179117
String{ NullString: sql.NullString{ String: s, Valid: valid, }, } }
c179118
false return nil default: err = fmt.Errorf("json: cannot unmarshal %v into Go value of type zero.String", reflect.TypeOf(v).Name()) } s.Valid = (err == nil) && (s.String != "") return err }
c179119
if !s.Valid { return []byte{}, nil } return []byte(s.String), nil }
c179120
string(text) s.Valid = s.String != "" return nil }
c179121
= v s.Valid = true }
c179122
return NewString("", false) } return NewString(*s, true) }
c179123
return []byte("null"), nil } return json.Marshal(s.String) }
c179124
NullInt64: sql.NullInt64{ Int64: i, Valid: valid, }, } }
c179125
n := NewInt(*i, true) return n }
c179126
64) case map[string]interface{}: err = json.Unmarshal(data, &i.NullInt64) case nil: i.Valid = false return nil default: err = fmt.Errorf("json: cannot unmarshal %v into Go value of type zero.Int", reflect.TypeOf(v).Name()) } i.Valid = (err == nil) && (i.Int64 != 0) return err }
c179127
} return []byte(strconv.FormatInt(n, 10)), nil }
c179128
n i.Valid = true }
c179129
err = strconv.ParseInt(string(text), 10, 64) i.Valid = err == nil return err }
c179130
return []byte("false"), nil } return []byte("true"), nil }
c179131
{ f.Float64 = v f.Valid = true }
c179132
(time.Time{}).MarshalJSON() } return t.Time.MarshalJSON() }
c179133
nil: f.Valid = false return nil default: err = fmt.Errorf("json: cannot unmarshal %v into Go value of type null.Float", reflect.TypeOf(v).Name()) } f.Valid = err == nil return err }
c179134
err = strconv.ParseFloat(string(text), 64) f.Valid = err == nil return err }
c179135
return nil, &json.UnsupportedValueError{ Value: reflect.ValueOf(f.Float64), Str: strconv.FormatFloat(f.Float64, 'g', -1, 64), } } return []byte(strconv.FormatFloat(f.Float64, 'f', -1, 64)), nil }
c179136
{ return &gossipChannel{ name: channelName, ourself: ourself, routes: r, gossiper: g, logger: logger, } }
c179137
c.relayUnicast(dstPeerName, gobEncode(c.name, c.ourself.Name, dstPeerName, msg)) }
c179138
GossipData) { c.relayBroadcast(c.ourself.Name, update) }
c179139
GossipData) { c.relay(c.ourself.Name, data) }
c179140
c.senderFor(conn).Send(data) }
c179141
if err := enc.Encode(i); err != nil { panic(err) } } return buf.Bytes() }
c179142
capacity, tokenInterval: tokenInterval, refillDuration: tokenInterval * time.Duration(capacity)} tb.earliestUnspentToken = tb.capacityToken() return &tb }
c179143
tb.earliestUnspentToken.Before(capacityToken) { tb.earliestUnspentToken = capacityToken } // 'Remove' a token from the bucket tb.earliestUnspentToken = tb.earliestUnspentToken.Add(tb.tokenInterval) }
c179144
{ return time.Now().Add(-tb.refillDuration).Truncate(tb.tokenInterval) }
c179145
return end } } // next prefix does not exist (e.g., 0xffff); // default to WithFromKey policy return []byte{0} }
c179146
peer := &localPeer{ Peer: newPeer(name, nickName, randomPeerUID(), 0, randomPeerShortID()), router: router, actionChan: actionChan, } go peer.actorLoop(actionChan) return peer }
c179147
:= range peer.connections { connections[conn] = struct{}{} } return connections }
c179148
!= nil { return err } connRemote := newRemoteConnection(peer.Peer, nil, peerAddr, true, false) startLocalConnection(connRemote, tcpConn, peer.router, acceptNewPeer, logger) return nil }
c179149
resultChan <- peer.handleAddConnection(conn, isRestartedPeer) } return <-resultChan }
c179150
tcpConn, trustRemote: router.trusts(connRemote), uid: randUint64(), errorChan: errorChan, finished: finished, logger: logger, } conn.senders = newGossipSenders(conn, finished) go conn.run(errorChan, finished, acceptNewPeer) }
c179151
conn.shutdown(err) return err } return nil }
c179152
UnicastRoutes: makeUnicastRouteStatusSlice(router.Routes), BroadcastRoutes: makeBroadcastRouteStatusSlice(router.Routes), Connections: makeLocalConnectionStatusSlice(router.ConnectionMaker), TerminationCount: router.ConnectionMaker.terminationCount, Targets: router.ConnectionMaker.Targets(false), OverlayDiagnostics: router.Overlay.Diagnostics(), TrustedSubnets: makeTrustedSubnetsSlice(router.TrustedSubnets), } }
c179153
locking the peer is safe. for _, conn := range peer.connections { connections = append(connections, makeConnectionStatus(conn)) } } slice = append(slice, PeerStatus{ peer.Name.String(), peer.NickName, peer.UID, peer.ShortID, peer.Version, connections, }) }) return slice }
c179154
{ slice = append(slice, unicastRouteStatus{dest.String(), via.String()}) } return slice }
c179155
via { hops = append(hops, hop.String()) } slice = append(slice, broadcastRouteStatus{source.String(), hops}) } return slice }
c179156
append(slice, LocalConnectionStatus{address, true, state, info, nil}) } switch target.state { case targetWaiting: until := "never" if !target.tryAfter.IsZero() { until = target.tryAfter.String() } if target.lastError == nil { // shouldn't happen add("waiting", "until: "+until) } else { add("failed", target.lastError.Error()+", retry: "+until) } case targetAttempting: if target.lastError == nil { add("connecting", "") } else { add("retrying", target.lastError.Error()) } case targetConnected: case targetSuspended: } } resultChan <- slice return false } return <-resultChan }
c179157
trustedSubnetStrs = append(trustedSubnetStrs, trustedSubnet.String()) } return trustedSubnetStrs }
c179158
<-ctx.Done(): s.cancelInternalRaftRequest(ireq) return nil, ctx.Err() case msg := <-msgc: return msg.(*etcdserverpb.RangeResponse), nil case err := <-errc: return nil, err case <-s.quitc: return nil, errStopped } }
c179159
<-ctx.Done(): s.cancelInternalRaftRequest(ireq) return nil, ctx.Err() case msg := <-msgc: return msg.(*etcdserverpb.PutResponse), nil case err := <-errc: return nil, err case <-s.quitc: return nil, errStopped } }
c179160
{ case <-ctx.Done(): s.cancelInternalRaftRequest(ireq) return nil, ctx.Err() case msg := <-msgc: return msg.(*etcdserverpb.DeleteRangeResponse), nil case err := <-errc: return nil, err case <-s.quitc: return nil, errStopped } }
c179161
<-ctx.Done(): s.cancelInternalRaftRequest(ireq) return nil, ctx.Err() case msg := <-msgc: return msg.(*etcdserverpb.TxnResponse), nil case err := <-errc: return nil, err case <-s.quitc: return nil, errStopped } }
c179162
// TODO(pb): fix this when we implement snapshotting. return nil, errors.New("not implemented") }
c179163
return nil, nil, errTooBig } msgc, errc, err := s.registerPending(req.ID) if err != nil { return nil, nil, err } s.proposalc <- data return msgc, errc, nil }
c179164
tv, _ := c.TargetUnion.(*etcdserverpb.Compare_ModRevision) if tv != nil { result = compareInt64(ckv.ModRevision, tv.ModRevision) } case etcdserverpb.Compare_VERSION: tv, _ := c.TargetUnion.(*etcdserverpb.Compare_Version) if tv != nil { result = compareInt64(ckv.Version, tv.Version) } } switch c.Result { case etcdserverpb.Compare_EQUAL: if result != 0 { return rev, false } case etcdserverpb.Compare_GREATER: if result != 1 { return rev, false } case etcdserverpb.Compare_LESS: if result != -1 { return rev, false } } return rev, true }
c179165
UID: peer.UID, Self: peer.Name == peers.ourself.Name, NumConnections: len(peer.connections), }) } return descriptions }
c179166
be accessed // without holding the lock in unlockAndNotify, we don't // support removing callbacks, so a simple append here is // safe. peers.onGC = append(peers.onGC, callback) }
c179167
peers.onInvalidateShortIDs = append(peers.onInvalidateShortIDs, callback) }
c179168
available := int(1 << peerShortIDBits) for _, entry := range peers.byShortID { if entry.peer != nil { available-- } } if available == 0 { // All short IDs are used. return 0, false } n := rng.Intn(available) var i PeerShortID for { if peers.byShortID[i].peer == nil { if n == 0 { return i, true } n-- } i++ } }
c179169
if existingPeer, found := peers.byName[peer.Name]; found { existingPeer.localRefCount++ return existingPeer } peers.byName[peer.Name] = peer peers.addByShortID(peer, &pending) peer.localRefCount++ return peer }
c179170
defer peers.RUnlock() return peers.byName[name] }
c179171
defer peers.Unlock() peer := peers.byName[name] if peer != nil { peer.localRefCount++ } return peer }
c179172
defer peers.RUnlock() return peers.byShortID[shortID].peer }
c179173
peers.unlockAndNotify(&pending) peers.garbageCollect(&pending) }
c179174
[]PeerName{}}, broadcastAll: broadcastRoutes{ourself.Name: []PeerName{}}, recalc: recalculate, wait: wait, action: action, } go r.run(recalculate, wait, action) return r }
c179175
r.onChange = append(r.onChange, callback) }
c179176
{ r.RLock() defer r.RUnlock() hop, found := r.unicast[name] return hop, found }
c179177
{ r.RLock() defer r.RUnlock() hop, found := r.unicastAll[name] return hop, found }
c179178
{ return r.lookupOrCalculate(name, &r.broadcast, true) }
c179179
{ return r.lookupOrCalculate(name, &r.broadcastAll, false) }
c179180
actions: make(chan func()), quit: make(chan struct{}), logger: logger, } go p.loop() return p }
c179181
func() { p.gossip = gossip } }
c179182
select { case pkt := <-p.recv: n = copy(b, pkt.Buf) remote = MeshAddr{PeerName: pkt.SrcName, PeerUID: pkt.SrcUID} if n < len(pkt.Buf) { err = ErrShortRead } case <-p.quit: err = ErrPeerClosed } }() } <-c return n, remote, err }
c179183
p.recv <- pkt return } // TODO(pb): detect and support broadcast buf := pkt.encode() n = len(buf) err = p.gossip.GossipUnicast(meshAddr.PeerName, buf) } <-c return n, err }
c179184
MeshAddr{PeerName: p.name, PeerUID: p.uid} }
c179185
return pktSlice{makePkt(buf)}, nil }
c179186
err error) { pkt := makePkt(buf) p.recv <- pkt // to ReadFrom return pktSlice{pkt}, nil }
c179187
error { pkt := makePkt(buf) p.recv <- pkt // to ReadFrom return nil }
c179188
[]byte(password), ConnLimit: 64, PeerDiscovery: true, TrustedSubnets: []*net.IPNet{}, }, peerName, nickName, mesh.NullOverlay{}, logger) // Create a meshconn.Peer and connect it to a channel. peer := meshconn.NewPeer(router.Ourself.Peer.Name, router.Ourself.UID, logger) gossip := router.NewGossip(channel, peer) peer.Register(gossip) // Start the router and join the mesh. // Note that we don't ever stop the router. // This may or may not be a problem. // TODO(pb): determine if this is a super huge problem router.Start() return NewServer(router, peer, minPeerCount, terminatec, terminatedc, logger) }
c179189
sha256.Sum256([]byte(userInput)) return PeerNameFromBin(nameByteAry[:NameSize]), nil }
c179190
to decode name to bytes: " + name) } return res }
c179191
= newConnectionMaker(router.Ourself, router.Peers, net.JoinHostPort(router.Host, "0"), router.Port, router.PeerDiscovery, logger) router.logger = logger gossip, err := router.NewGossip("topology", router) if err != nil { return nil, err } router.topologyGossip = gossip router.acceptLimiter = newTokenBucket(acceptMaxTokens, acceptTokenDelay) return router, nil }
c179192
gossip := channel.gossiper.Gossip(); gossip != nil { channel.Send(gossip) } } }
c179193
gossip := channel.gossiper.Gossip(); gossip != nil { channel.SendDown(conn, gossip) } } }
c179194
struct{}{} } router.topologyGossip.GossipBroadcast(&topologyGossipData{peers: router.Peers, update: names}) }
c179195
return fmt.Errorf("unexpected topology gossip unicast: %v", msg) }
c179196
{ return nil, err } return &topologyGossipData{peers: router.Peers, update: origUpdate}, nil }
c179197
&topologyGossipData{peers: router.Peers, update: router.Peers.names()} }
c179198
if err != nil || len(newUpdate) == 0 { return nil, err } return &topologyGossipData{peers: router.Peers, update: newUpdate}, nil }
c179199
{ return [][]byte{d.peers.encodePeers(d.update)} }