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https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/inmem_snapshot.go#L66-L74
func (m *InmemSnapshotStore) List() ([]*SnapshotMeta, error) { m.RLock() defer m.RUnlock() if !m.hasSnapshot { return []*SnapshotMeta{}, nil } return []*SnapshotMeta{&m.latest.meta}, nil }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/table/iterator.go#L470-L472
func (s *ConcatIterator) Valid() bool { return s.cur != nil && s.cur.Valid() }
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/api.go#L907-L912
func (r *Raft) LastContact() time.Time { r.lastContactLock.RLock() last := r.lastContact r.lastContactLock.RUnlock() return last }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/utils.go#L37-L49
func isOpFuncCalled(op string, opts []OpOption) bool { for _, opt := range opts { v := reflect.ValueOf(opt) if v.Kind() == reflect.Func { if opFunc := runtime.FuncForPC(v.Pointer()); opFunc != nil { if strings.Contains(opFunc.Name(), op) { return true } } } } return false }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/fileutil/fileutil.go#L38-L44
func IsDirWriteable(dir string) error { f := filepath.Join(dir, ".touch") if err := ioutil.WriteFile(f, []byte(""), PrivateFileMode); err != nil { return err } return os.Remove(f) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/concurrency/election.go#L110-L129
func (e *Election) Proclaim(ctx context.Context, val string) error { if e.leaderSession == nil { return ErrElectionNotLeader } client := e.session.Client() cmp := v3.Compare(v3.CreateRevision(e.leaderKey), "=", e.leaderRev) txn := client.Txn(ctx).If(cmp) txn = txn.Then(v3.OpPut(e.leaderKey, val, v3.WithLease(e....
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/inmem_transport.go#L175-L177
func (i *InmemTransport) EncodePeer(id ServerID, p ServerAddress) []byte { return []byte(p) }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/y/watermark.go#L140-L233
func (w *WaterMark) process(closer *Closer) { defer closer.Done() var indices uint64Heap // pending maps raft proposal index to the number of pending mutations for this proposal. pending := make(map[uint64]int) waiters := make(map[uint64][]chan struct{}) heap.Init(&indices) var loop uint64 processOne := func...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/concurrency/election.go#L49-L57
func ResumeElection(s *Session, pfx string, leaderKey string, leaderRev int64) *Election { return &Election{ keyPrefix: pfx, session: s, leaderKey: leaderKey, leaderRev: leaderRev, leaderSession: s, } }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/levels.go#L201-L207
func closeAllTables(tables [][]*table.Table) { for _, tableSlice := range tables { for _, table := range tableSlice { _ = table.Close() } } }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/ioutil/readcloser.go#L36-L38
func NewExactReadCloser(rc io.ReadCloser, totalBytes int64) io.ReadCloser { return &exactReadCloser{rc: rc, totalBytes: totalBytes} }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/lease/lessor.go#L848-L856
func (l *Lease) Keys() []string { l.mu.RLock() keys := make([]string, 0, len(l.itemSet)) for k := range l.itemSet { keys = append(keys, k.Key) } l.mu.RUnlock() return keys }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/node.go#L115-L123
func (rd Ready) appliedCursor() uint64 { if n := len(rd.CommittedEntries); n > 0 { return rd.CommittedEntries[n-1].Index } if index := rd.Snapshot.Metadata.Index; index > 0 { return index } return 0 }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/flags/urls.go#L51-L60
func NewURLsValue(s string) *URLsValue { if s == "" { return &URLsValue{} } v := &URLsValue{} if err := v.Set(s); err != nil { plog.Panicf("new URLsValue should never fail: %v", err) } return v }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/del_command.go#L45-L54
func delCommandFunc(cmd *cobra.Command, args []string) { key, opts := getDelOp(args) ctx, cancel := commandCtx(cmd) resp, err := mustClientFromCmd(cmd).Delete(ctx, key, opts...) cancel() if err != nil { ExitWithError(ExitError, err) } display.Del(*resp) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/rafthttp/util.go#L40-L42
func NewListener(u url.URL, tlsinfo *transport.TLSInfo) (net.Listener, error) { return transport.NewTimeoutListener(u.Host, u.Scheme, tlsinfo, ConnReadTimeout, ConnWriteTimeout) }
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/inmem_transport.go#L126-L136
func (i *InmemTransport) InstallSnapshot(id ServerID, target ServerAddress, args *InstallSnapshotRequest, resp *InstallSnapshotResponse, data io.Reader) error { rpcResp, err := i.makeRPC(target, args, data, 10*i.timeout) if err != nil { return err } // Copy the result back out := rpcResp.Response.(*InstallSnaps...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/schedule/schedule.go#L75-L90
func (f *fifo) Schedule(j Job) { f.mu.Lock() defer f.mu.Unlock() if f.cancel == nil { panic("schedule: schedule to stopped scheduler") } if len(f.pendings) == 0 { select { case f.resume <- struct{}{}: default: } } f.pendings = append(f.pendings, j) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/flags/urls.go#L31-L38
func (us *URLsValue) Set(s string) error { ss, err := types.NewURLs(strings.Split(s, ",")) if err != nil { return err } *us = URLsValue(ss) return nil }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/table/iterator.go#L275-L312
func (itr *Iterator) seekFrom(key []byte, whence int) { itr.err = nil switch whence { case origin: itr.reset() case current: } idx := sort.Search(len(itr.t.blockIndex), func(idx int) bool { ko := itr.t.blockIndex[idx] return y.CompareKeys(ko.key, key) > 0 }) if idx == 0 { // The smallest key in our tab...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/role_command.go#L31-L45
func NewRoleCommand() *cobra.Command { ac := &cobra.Command{ Use: "role <subcommand>", Short: "Role related commands", } ac.AddCommand(newRoleAddCommand()) ac.AddCommand(newRoleDeleteCommand()) ac.AddCommand(newRoleGetCommand()) ac.AddCommand(newRoleListCommand()) ac.AddCommand(newRoleGrantPermissionComma...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/mvcc/kvstore.go#L111-L150
func NewStore(lg *zap.Logger, b backend.Backend, le lease.Lessor, ig ConsistentIndexGetter) *store { s := &store{ b: b, ig: ig, kvindex: newTreeIndex(lg), le: le, currentRev: 1, compactMainRev: -1, bytesBuf8: make([]byte, 8), fifoSched: schedule.NewFIFOScheduler(), stopc: make(chan...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/mvcc/backend/batch_tx.go#L195-L197
func (t *batchTx) UnsafeForEach(bucketName []byte, visitor func(k, v []byte) error) error { return unsafeForEach(t.tx, bucketName, visitor) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/snapshot/v3_snapshot.go#L239-L309
func (s *v3Manager) Restore(cfg RestoreConfig) error { pURLs, err := types.NewURLs(cfg.PeerURLs) if err != nil { return err } var ics types.URLsMap ics, err = types.NewURLsMap(cfg.InitialCluster) if err != nil { return err } srv := etcdserver.ServerConfig{ Logger: s.lg, Name: ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/put_command.go#L34-L64
func NewPutCommand() *cobra.Command { cmd := &cobra.Command{ Use: "put [options] <key> <value> (<value> can also be given from stdin)", Short: "Puts the given key into the store", Long: ` Puts the given key into the store. When <value> begins with '-', <value> is interpreted as a flag. Insert '--' for workaro...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/concurrency/session.go#L115-L121
func WithTTL(ttl int) SessionOption { return func(so *sessionOptions) { if ttl > 0 { so.ttl = ttl } } }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2store/store.go#L671-L703
func (s *store) DeleteExpiredKeys(cutoff time.Time) { s.worldLock.Lock() defer s.worldLock.Unlock() for { node := s.ttlKeyHeap.top() if node == nil || node.ExpireTime.After(cutoff) { break } s.CurrentIndex++ e := newEvent(Expire, node.Path, s.CurrentIndex, node.CreatedIndex) e.EtcdIndex = s.CurrentI...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/member_command.go#L99-L168
func memberAddCommandFunc(cmd *cobra.Command, args []string) { if len(args) < 1 { ExitWithError(ExitBadArgs, errors.New("member name not provided")) } if len(args) > 1 { ev := "too many arguments" for _, s := range args { if strings.HasPrefix(strings.ToLower(s), "http") { ev += fmt.Sprintf(`, did you me...
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/levels.go#L798-L838
func (s *levelsController) doCompact(p compactionPriority) error { l := p.level y.AssertTrue(l+1 < s.kv.opt.MaxLevels) // Sanity check. cd := compactDef{ elog: trace.New(fmt.Sprintf("Badger.L%d", l), "Compact"), thisLevel: s.levels[l], nextLevel: s.levels[l+1], dropPrefix: p.dropPrefix, } cd.elog....
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/functional/agent/handler.go#L694-L720
func (srv *Server) handle_SIGQUIT_ETCD_AND_REMOVE_DATA_AND_STOP_AGENT() (*rpcpb.Response, error) { err := srv.stopEtcd(syscall.SIGQUIT) if err != nil { return nil, err } if srv.etcdServer != nil { srv.etcdServer.GetLogger().Sync() } else { srv.etcdLogFile.Sync() srv.etcdLogFile.Close() } err = os.Remov...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/logutil/zap_raft.go#L40-L44
func NewRaftLoggerFromZapCore(cr zapcore.Core, syncer zapcore.WriteSyncer) raft.Logger { // "AddCallerSkip" to annotate caller outside of "logutil" lg := zap.New(cr, zap.AddCaller(), zap.AddCallerSkip(1), zap.ErrorOutput(syncer)) return &zapRaftLogger{lg: lg, sugar: lg.Sugar()} }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/batch.go#L98-L101
func (wb *WriteBatch) Set(k, v []byte, meta byte) error { e := &Entry{Key: k, Value: v, UserMeta: meta} return wb.SetEntry(e) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/rafthttp/peer.go#L358-L370
func (p *peer) pick(m raftpb.Message) (writec chan<- raftpb.Message, picked string) { var ok bool // Considering MsgSnap may have a big size, e.g., 1G, and will block // stream for a long time, only use one of the N pipelines to send MsgSnap. if isMsgSnap(m) { return p.pipeline.msgc, pipelineMsg } else if writec...
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/skl/arena.go#L63-L78
func (s *Arena) putNode(height int) uint32 { // Compute the amount of the tower that will never be used, since the height // is less than maxHeight. unusedSize := (maxHeight - height) * offsetSize // Pad the allocation with enough bytes to ensure pointer alignment. l := uint32(MaxNodeSize - unusedSize + nodeAlign...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/membership/cluster.go#L155-L164
func (c *RaftCluster) PeerURLs() []string { c.Lock() defer c.Unlock() urls := make([]string, 0) for _, p := range c.members { urls = append(urls, p.PeerURLs...) } sort.Strings(urls) return urls }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/compaction_command.go#L39-L62
func compactionCommandFunc(cmd *cobra.Command, args []string) { if len(args) != 1 { ExitWithError(ExitBadArgs, fmt.Errorf("compaction command needs 1 argument")) } rev, err := strconv.ParseInt(args[0], 10, 64) if err != nil { ExitWithError(ExitError, err) } var opts []clientv3.CompactOption if compactPhysi...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/contrib/recipes/client.go#L33-L43
func deleteRevKey(kv v3.KV, key string, rev int64) (bool, error) { cmp := v3.Compare(v3.ModRevision(key), "=", rev) req := v3.OpDelete(key) txnresp, err := kv.Txn(context.TODO()).If(cmp).Then(req).Commit() if err != nil { return false, err } else if !txnresp.Succeeded { return false, nil } return true, nil }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/balancer/balancer.go#L126-L171
func (bb *baseBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) { if err != nil { bb.lg.Warn("HandleResolvedAddrs called with error", zap.String("balancer-id", bb.id), zap.Error(err)) return } bb.lg.Info("resolved", zap.String("balancer-id", bb.id), zap.Strings("addresses", addrsToStrings(addrs)...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/read_only.go#L52-L59
func (ro *readOnly) addRequest(index uint64, m pb.Message) { ctx := string(m.Entries[0].Data) if _, ok := ro.pendingReadIndex[ctx]; ok { return } ro.pendingReadIndex[ctx] = &readIndexStatus{index: index, req: m, acks: make(map[uint64]struct{})} ro.readIndexQueue = append(ro.readIndexQueue, ctx) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/user_command.go#L31-L46
func NewUserCommand() *cobra.Command { ac := &cobra.Command{ Use: "user <subcommand>", Short: "User related commands", } ac.AddCommand(newUserAddCommand()) ac.AddCommand(newUserDeleteCommand()) ac.AddCommand(newUserGetCommand()) ac.AddCommand(newUserListCommand()) ac.AddCommand(newUserChangePasswordComman...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/integration/cluster.go#L693-L711
func (m *member) listenGRPC() error { // prefix with localhost so cert has right domain m.grpcAddr = "localhost:" + m.Name if m.useIP { // for IP-only TLS certs m.grpcAddr = "127.0.0.1:" + m.Name } l, err := transport.NewUnixListener(m.grpcAddr) if err != nil { return fmt.Errorf("listen failed on grpc socket ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/wal/wal.go#L284-L293
func Open(lg *zap.Logger, dirpath string, snap walpb.Snapshot) (*WAL, error) { w, err := openAtIndex(lg, dirpath, snap, true) if err != nil { return nil, err } if w.dirFile, err = fileutil.OpenDir(w.dir); err != nil { return nil, err } return w, nil }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/dir_windows.go#L70-L100
func acquireDirectoryLock(dirPath string, pidFileName string, readOnly bool) (*directoryLockGuard, error) { if readOnly { return nil, ErrWindowsNotSupported } // Convert to absolute path so that Release still works even if we do an unbalanced // chdir in the meantime. absLockFilePath, err := filepath.Abs(filepa...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2discovery/discovery.go#L73-L79
func GetCluster(lg *zap.Logger, durl, dproxyurl string) (string, error) { d, err := newDiscovery(lg, durl, dproxyurl, 0) if err != nil { return "", err } return d.getCluster() }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/user_command.go#L123-L158
func userAddCommandFunc(cmd *cobra.Command, args []string) { if len(args) != 1 { ExitWithError(ExitBadArgs, fmt.Errorf("user add command requires user name as its argument")) } var password string var user string if passwordFromFlag != "" { user = args[0] password = passwordFromFlag } else { splitted :=...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/raft.go#L1394-L1397
func (r *raft) promotable() bool { _, ok := r.prs[r.id] return ok }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/contrib/recipes/barrier.go#L51-L66
func (b *Barrier) Wait() error { resp, err := b.client.Get(b.ctx, b.key, v3.WithFirstKey()...) if err != nil { return err } if len(resp.Kvs) == 0 { // key already removed return nil } _, err = WaitEvents( b.client, b.key, resp.Header.Revision, []mvccpb.Event_EventType{mvccpb.PUT, mvccpb.DELETE}) re...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/storage.go#L100-L105
func (ms *MemoryStorage) SetHardState(st pb.HardState) error { ms.Lock() defer ms.Unlock() ms.hardState = st return nil }
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/net_transport.go#L744-L757
func (n *netPipeline) Close() error { n.shutdownLock.Lock() defer n.shutdownLock.Unlock() if n.shutdown { return nil } // Release the connection n.conn.Release() n.shutdown = true close(n.shutdownCh) return nil }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/snap/db.go#L83-L100
func (s *Snapshotter) DBFilePath(id uint64) (string, error) { if _, err := fileutil.ReadDir(s.dir); err != nil { return "", err } fn := s.dbFilePath(id) if fileutil.Exist(fn) { return fn, nil } if s.lg != nil { s.lg.Warn( "failed to find [SNAPSHOT-INDEX].snap.db", zap.Uint64("snapshot-index", id), ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v3rpc/watch.go#L48-L61
func NewWatchServer(s *etcdserver.EtcdServer) pb.WatchServer { return &watchServer{ lg: s.Cfg.Logger, clusterID: int64(s.Cluster().ID()), memberID: int64(s.ID()), maxRequestBytes: int(s.Cfg.MaxRequestBytes + grpcOverheadBytes), sg: s, watchable: s.Watchable(), ag: s, } }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/membership/cluster.go#L255-L326
func (c *RaftCluster) ValidateConfigurationChange(cc raftpb.ConfChange) error { members, removed := membersFromStore(c.lg, c.v2store) id := types.ID(cc.NodeID) if removed[id] { return ErrIDRemoved } switch cc.Type { case raftpb.ConfChangeAddNode: if members[id] != nil { return ErrIDExists } urls := mak...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/transport/tls.go#L25-L49
func ValidateSecureEndpoints(tlsInfo TLSInfo, eps []string) ([]string, error) { t, err := NewTransport(tlsInfo, 5*time.Second) if err != nil { return nil, err } var errs []string var endpoints []string for _, ep := range eps { if !strings.HasPrefix(ep, "https://") { errs = append(errs, fmt.Sprintf("%q is i...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/server.go#L2408-L2428
func (s *EtcdServer) goAttach(f func()) { s.wgMu.RLock() // this blocks with ongoing close(s.stopping) defer s.wgMu.RUnlock() select { case <-s.stopping: if lg := s.getLogger(); lg != nil { lg.Warn("server has stopped; skipping goAttach") } else { plog.Warning("server has stopped (skipping goAttach)") }...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2stats/server.go#L114-L128
func (ss *ServerStats) SendAppendReq(reqSize int) { ss.Lock() defer ss.Unlock() ss.becomeLeader() ss.sendRateQueue.Insert( &RequestStats{ SendingTime: time.Now(), Size: reqSize, }, ) ss.SendAppendRequestCnt++ }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/integration/cluster.go#L1006-L1027
func (m *member) Close() { if m.grpcBridge != nil { m.grpcBridge.Close() m.grpcBridge = nil } if m.serverClient != nil { m.serverClient.Close() m.serverClient = nil } if m.grpcServer != nil { m.grpcServer.Stop() m.grpcServer.GracefulStop() m.grpcServer = nil m.grpcServerPeer.Stop() m.grpcServerPe...
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/levels.go#L58-L78
func revertToManifest(kv *DB, mf *Manifest, idMap map[uint64]struct{}) error { // 1. Check all files in manifest exist. for id := range mf.Tables { if _, ok := idMap[id]; !ok { return fmt.Errorf("file does not exist for table %d", id) } } // 2. Delete files that shouldn't exist. for id := range idMap { i...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/osutil/interrupt_unix.go#L48-L80
func HandleInterrupts(lg *zap.Logger) { notifier := make(chan os.Signal, 1) signal.Notify(notifier, syscall.SIGINT, syscall.SIGTERM) go func() { sig := <-notifier interruptRegisterMu.Lock() ihs := make([]InterruptHandler, len(interruptHandlers)) copy(ihs, interruptHandlers) interruptRegisterMu.Unlock() ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/functional/agent/handler.go#L321-L392
func (srv *Server) saveTLSAssets() error { if srv.Member.PeerCertPath != "" { if srv.Member.PeerCertData == "" { return fmt.Errorf("got empty data for %q", srv.Member.PeerCertPath) } if err := ioutil.WriteFile(srv.Member.PeerCertPath, []byte(srv.Member.PeerCertData), 0644); err != nil { return err } } ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/wal/wal.go#L508-L578
func Verify(lg *zap.Logger, walDir string, snap walpb.Snapshot) error { var metadata []byte var err error var match bool rec := &walpb.Record{} names, nameIndex, err := selectWALFiles(lg, walDir, snap) if err != nil { return err } // open wal files in read mode, so that there is no conflict // when the sa...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/node.go#L480-L517
func (n *node) stepWithWaitOption(ctx context.Context, m pb.Message, wait bool) error { if m.Type != pb.MsgProp { select { case n.recvc <- m: return nil case <-ctx.Done(): return ctx.Err() case <-n.done: return ErrStopped } } ch := n.propc pm := msgWithResult{m: m} if wait { pm.result = make(c...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2store/watcher_hub.go#L190-L200
func isHidden(watchPath, keyPath string) bool { // When deleting a directory, watchPath might be deeper than the actual keyPath // For example, when deleting /foo we also need to notify watchers on /foo/bar. if len(watchPath) > len(keyPath) { return false } // if watch path is just a "/", after path will start w...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/log.go#L261-L271
func (l *raftLog) allEntries() []pb.Entry { ents, err := l.entries(l.firstIndex(), noLimit) if err == nil { return ents } if err == ErrCompacted { // try again if there was a racing compaction return l.allEntries() } // TODO (xiangli): handle error? panic(err) }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/y/y.go#L271-L281
func (t *Throttle) Done(err error) { if err != nil { t.errCh <- err } select { case <-t.ch: default: panic("Throttle Do Done mismatch") } t.wg.Done() }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/skl/skl.go#L375-L390
func (s *Skiplist) Get(key []byte) y.ValueStruct { n, _ := s.findNear(key, false, true) // findGreaterOrEqual. if n == nil { return y.ValueStruct{} } nextKey := s.arena.getKey(n.keyOffset, n.keySize) if !y.SameKey(key, nextKey) { return y.ValueStruct{} } valOffset, valSize := n.getValueOffset() vs := s.ar...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv3/command/member_command.go#L191-L215
func memberUpdateCommandFunc(cmd *cobra.Command, args []string) { if len(args) != 1 { ExitWithError(ExitBadArgs, fmt.Errorf("member ID is not provided")) } id, err := strconv.ParseUint(args[0], 16, 64) if err != nil { ExitWithError(ExitBadArgs, fmt.Errorf("bad member ID arg (%v), expecting ID in Hex", err)) }...
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/raft.go#L670-L703
func (r *Raft) checkLeaderLease() time.Duration { // Track contacted nodes, we can always contact ourself contacted := 1 // Check each follower var maxDiff time.Duration now := time.Now() for peer, f := range r.leaderState.replState { diff := now.Sub(f.LastContact()) if diff <= r.conf.LeaderLeaseTimeout { ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v3compactor/revision.go#L49-L59
func newRevision(lg *zap.Logger, clock clockwork.Clock, retention int64, rg RevGetter, c Compactable) *Revision { rc := &Revision{ lg: lg, clock: clock, retention: retention, rg: rg, c: c, } rc.ctx, rc.cancel = context.WithCancel(context.Background()) return rc }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/embed/config.go#L366-L421
func NewConfig() *Config { lpurl, _ := url.Parse(DefaultListenPeerURLs) apurl, _ := url.Parse(DefaultInitialAdvertisePeerURLs) lcurl, _ := url.Parse(DefaultListenClientURLs) acurl, _ := url.Parse(DefaultAdvertiseClientURLs) cfg := &Config{ MaxSnapFiles: DefaultMaxSnapshots, MaxWalFiles: DefaultMaxWALs, Nam...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2store/watcher.go#L44-L75
func (w *watcher) notify(e *Event, originalPath bool, deleted bool) bool { // watcher is interested the path in three cases and under one condition // the condition is that the event happens after the watcher's sinceIndex // 1. the path at which the event happens is the path the watcher is watching at. // For exam...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/log.go#L56-L80
func newLogWithSize(storage Storage, logger Logger, maxNextEntsSize uint64) *raftLog { if storage == nil { log.Panic("storage must not be nil") } log := &raftLog{ storage: storage, logger: logger, maxNextEntsSize: maxNextEntsSize, } firstIndex, err := storage.FirstIndex() if err != nil { ...
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/api.go#L519-L572
func (r *Raft) restoreSnapshot() error { snapshots, err := r.snapshots.List() if err != nil { r.logger.Error(fmt.Sprintf("Failed to list snapshots: %v", err)) return err } // Try to load in order of newest to oldest for _, snapshot := range snapshots { _, source, err := r.snapshots.Open(snapshot.ID) if er...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/integration/cluster.go#L1160-L1165
func (m *member) RecoverPartition(t testing.TB, others ...*member) { for _, other := range others { m.s.MendPeer(other.s.ID()) other.s.MendPeer(m.s.ID()) } }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/histogram.go#L80-L86
func createHistogramBins(minExponent, maxExponent uint32) []int64 { var bins []int64 for i := minExponent; i <= maxExponent; i++ { bins = append(bins, int64(1)<<i) } return bins }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/storage.go#L142-L146
func (ms *MemoryStorage) LastIndex() (uint64, error) { ms.Lock() defer ms.Unlock() return ms.lastIndex(), nil }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/retry.go#L164-L168
func RetryClusterClient(c *Client) pb.ClusterClient { return &retryClusterClient{ cc: pb.NewClusterClient(c.conn), } }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/capability.go#L60-L82
func UpdateCapability(lg *zap.Logger, v *semver.Version) { if v == nil { // if recovered but version was never set by cluster return } enableMapMu.Lock() if curVersion != nil && !curVersion.LessThan(*v) { enableMapMu.Unlock() return } curVersion = v enabledMap = capabilityMaps[curVersion.String()] enabl...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/rawnode.go#L259-L270
func (rn *RawNode) WithProgress(visitor func(id uint64, typ ProgressType, pr Progress)) { for id, pr := range rn.raft.prs { pr := *pr pr.ins = nil visitor(id, ProgressTypePeer, pr) } for id, pr := range rn.raft.learnerPrs { pr := *pr pr.ins = nil visitor(id, ProgressTypeLearner, pr) } }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/snap/snapshotter.go#L219-L235
func (s *Snapshotter) snapNames() ([]string, error) { dir, err := os.Open(s.dir) if err != nil { return nil, err } defer dir.Close() names, err := dir.Readdirnames(-1) if err != nil { return nil, err } snaps := checkSuffix(s.lg, names) if len(snaps) == 0 { return nil, ErrNoSnapshot } sort.Sort(sort.Rev...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/raft/raft.go#L1210-L1253
func stepCandidate(r *raft, m pb.Message) error { // Only handle vote responses corresponding to our candidacy (while in // StateCandidate, we may get stale MsgPreVoteResp messages in this term from // our pre-candidate state). var myVoteRespType pb.MessageType if r.state == StatePreCandidate { myVoteRespType = ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/rafthttp/util.go#L63-L78
func createPostRequest(u url.URL, path string, body io.Reader, ct string, urls types.URLs, from, cid types.ID) *http.Request { uu := u uu.Path = path req, err := http.NewRequest("POST", uu.String(), body) if err != nil { plog.Panicf("unexpected new request error (%v)", err) } req.Header.Set("Content-Type", ct) ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/contrib/recipes/double_barrier.go#L46-L75
func (b *DoubleBarrier) Enter() error { client := b.s.Client() ek, err := newUniqueEphemeralKey(b.s, b.key+"/waiters") if err != nil { return err } b.myKey = ek resp, err := client.Get(b.ctx, b.key+"/waiters", clientv3.WithPrefix()) if err != nil { return err } if len(resp.Kvs) > b.count { return ErrTo...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/cluster_util.go#L299-L357
func getVersion(lg *zap.Logger, m *membership.Member, rt http.RoundTripper) (*version.Versions, error) { cc := &http.Client{ Transport: rt, } var ( err error resp *http.Response ) for _, u := range m.PeerURLs { addr := u + "/version" resp, err = cc.Get(addr) if err != nil { if lg != nil { lg.W...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/etcdhttp/base.go#L141-L203
func WriteError(lg *zap.Logger, w http.ResponseWriter, r *http.Request, err error) { if err == nil { return } switch e := err.(type) { case *v2error.Error: e.WriteTo(w) case *httptypes.HTTPError: if et := e.WriteTo(w); et != nil { if lg != nil { lg.Debug( "failed to write v2 HTTP error", za...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/pkg/flags/selective_string.go#L46-L53
func (ss *SelectiveStringValue) Valids() []string { s := make([]string, 0, len(ss.valids)) for k := range ss.valids { s = append(s, k) } sort.Strings(s) return s }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/value.go#L1010-L1020
func (vlog *valueLog) getFileRLocked(fid uint32) (*logFile, error) { vlog.filesLock.RLock() defer vlog.filesLock.RUnlock() ret, ok := vlog.filesMap[fid] if !ok { // log file has gone away, will need to retry the operation. return nil, ErrRetry } ret.lock.RLock() return ret, nil }
https://github.com/hashicorp/raft/blob/773bcaa2009bf059c5c06457b9fccd156d5e91e7/api.go#L712-L722
func (r *Raft) RemovePeer(peer ServerAddress) Future { if r.protocolVersion > 2 { return errorFuture{ErrUnsupportedProtocol} } return r.requestConfigChange(configurationChangeRequest{ command: RemoveServer, serverID: ServerID(peer), prevIndex: 0, }, 0) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/proxy/grpcproxy/leader.go#L93-L101
func (l *leader) gotLeader() { l.mu.Lock() defer l.mu.Unlock() select { case <-l.leaderc: l.leaderc = make(chan struct{}) default: } }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdctl/ctlv2/command/get_command.go#L27-L41
func NewGetCommand() cli.Command { return cli.Command{ Name: "get", Usage: "retrieve the value of a key", ArgsUsage: "<key>", Flags: []cli.Flag{ cli.BoolFlag{Name: "sort", Usage: "returns result in sorted order"}, cli.BoolFlag{Name: "quorum, q", Usage: "require quorum for get request"}, }, A...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/raft.go#L644-L678
func getIDs(lg *zap.Logger, snap *raftpb.Snapshot, ents []raftpb.Entry) []uint64 { ids := make(map[uint64]bool) if snap != nil { for _, id := range snap.Metadata.ConfState.Nodes { ids[id] = true } } for _, e := range ents { if e.Type != raftpb.EntryConfChange { continue } var cc raftpb.ConfChange ...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2store/store.go#L644-L668
func (s *store) internalGet(nodePath string) (*node, *v2error.Error) { nodePath = path.Clean(path.Join("/", nodePath)) walkFunc := func(parent *node, name string) (*node, *v2error.Error) { if !parent.IsDir() { err := v2error.NewError(v2error.EcodeNotDir, parent.Path, s.CurrentIndex) return nil, err } c...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/concurrency/election.go#L132-L145
func (e *Election) Resign(ctx context.Context) (err error) { if e.leaderSession == nil { return nil } client := e.session.Client() cmp := v3.Compare(v3.CreateRevision(e.leaderKey), "=", e.leaderRev) resp, err := client.Txn(ctx).If(cmp).Then(v3.OpDelete(e.leaderKey)).Commit() if err == nil { e.hdr = resp.Heade...
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/table/table.go#L192-L198
func (t *Table) Close() error { if t.loadingMode == options.MemoryMap { y.Munmap(t.mmap) } return t.fd.Close() }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/clientv3/balancer/picker/roundrobin_balanced.go#L54-L92
func (rb *rrBalanced) Pick(ctx context.Context, opts balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) { rb.mu.RLock() n := len(rb.scs) rb.mu.RUnlock() if n == 0 { return nil, nil, balancer.ErrNoSubConnAvailable } rb.mu.Lock() cur := rb.next sc := rb.scs[cur] picked := rb.scToAddr[sc]...
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/iterator.go#L430-L437
func (txn *Txn) NewKeyIterator(key []byte, opt IteratorOptions) *Iterator { if len(opt.Prefix) > 0 { panic("opt.Prefix should be nil for NewKeyIterator.") } opt.Prefix = key // This key must be without the timestamp. opt.prefixIsKey = true return txn.NewIterator(opt) }
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/api/v2store/node.go#L171-L183
func (n *node) GetChild(name string) (*node, *v2error.Error) { if !n.IsDir() { return nil, v2error.NewError(v2error.EcodeNotDir, n.Path, n.store.CurrentIndex) } child, ok := n.Children[name] if ok { return child, nil } return nil, nil }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/y/iterator.go#L249-L254
func (s *MergeIterator) Seek(key []byte) { for _, itr := range s.all { itr.Seek(key) } s.initHeap() }
https://github.com/dgraph-io/badger/blob/6b796b3ebec3ff006fcb1b425836cd784651e9fd/manifest.go#L184-L217
func (mf *manifestFile) addChanges(changesParam []*pb.ManifestChange) error { changes := pb.ManifestChangeSet{Changes: changesParam} buf, err := changes.Marshal() if err != nil { return err } // Maybe we could use O_APPEND instead (on certain file systems) mf.appendLock.Lock() if err := applyChangeSet(&mf.man...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/client/keys.go#L475-L487
func v2KeysURL(ep url.URL, prefix, key string) *url.URL { // We concatenate all parts together manually. We cannot use // path.Join because it does not reserve trailing slash. // We call CanonicalURLPath to further cleanup the path. if prefix != "" && prefix[0] != '/' { prefix = "/" + prefix } if key != "" && k...
https://github.com/etcd-io/etcd/blob/616592d9ba993e3fe9798eef581316016df98906/etcdserver/apply.go#L381-L409
func newTxnResp(rt *pb.TxnRequest, txnPath []bool) (txnResp *pb.TxnResponse, txnCount int) { reqs := rt.Success if !txnPath[0] { reqs = rt.Failure } resps := make([]*pb.ResponseOp, len(reqs)) txnResp = &pb.TxnResponse{ Responses: resps, Succeeded: txnPath[0], Header: &pb.ResponseHeader{}, } for i, req...