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stringlengths
2
7
title
stringlengths
1
118
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stringclasses
3 values
text
stringlengths
52
85.5k
language
stringclasses
1 value
meta_information
dict
q174600
WaitPeerListening
validation
func WaitPeerListening(network, address string, timeout time.Duration) bool { return WaitFunc(100*time.Millisecond, timeout, func() bool { c, err := net.Dial(network, address) if err == nil { c.Close() return true } return false }) }
go
{ "resource": "" }
q174601
NewEvent
validation
func NewEvent(name string, body interface{}) Event { return Event{ name: name, body: body, occuredTime: time.Now(), } }
go
{ "resource": "" }
q174602
Subscribe
validation
func (b *Bus) Subscribe(h Handler) bool { b.mu.Lock() defer b.mu.Unlock() for _, v := range b.handlers { if v == h { return false } } b.handlers = append(b.handlers, h) return true }
go
{ "resource": "" }
q174603
Unsubscribe
validation
func (b *Bus) Unsubscribe(h Handler) bool { b.mu.Lock() defer b.mu.Unlock() for i, v := range b.handlers { if v == h { b.handlers = append(b.handlers[:i], b.handlers[i+1:]...) return true } } return false }
go
{ "resource": "" }
q174604
Publish
validation
func (b *Bus) Publish(eventName string, eventBody interface{}) { e := NewEvent(eventName, eventBody) b.mu.RLock() defer b.mu.RUnlock() for _, h := range b.handlers { h.Handle(e) } }
go
{ "resource": "" }
q174605
HandleOnly
validation
func HandleOnly(h Handler, names ...string) Handler { return HandlerFunc(func(e Event) { for _, name := range names { if e.Name() == name { h.Handle(e) break } } }) }
go
{ "resource": "" }
q174606
ContextWithPublisher
validation
func ContextWithPublisher(ctx context.Context, pub Publisher) context.Context { return context.WithValue(ctx, KeyPublisher, pub) }
go
{ "resource": "" }
q174607
PublisherContext
validation
func PublisherContext(ctx context.Context) Publisher { pub, ok := ctx.Value(KeyPublisher).(Publisher) if !ok { return nil } return pub }
go
{ "resource": "" }
q174608
PublishNamedEvent
validation
func PublishNamedEvent(pub Publisher, eventBody interface{}) { name := reflect.TypeOf(eventBody).Name() pub.Publish(name, eventBody) }
go
{ "resource": "" }
q174609
PublishEventContext
validation
func PublishEventContext(ctx context.Context, eventName string, eventBody interface{}) { pub := PublisherContext(ctx) if pub == nil { return } pub.Publish(eventName, eventBody) }
go
{ "resource": "" }
q174610
PublishNamedEventContext
validation
func PublishNamedEventContext(ctx context.Context, eventBody interface{}) { name := reflect.TypeOf(eventBody).Name() PublishEventContext(ctx, name, eventBody) }
go
{ "resource": "" }
q174611
String
validation
func (level Level) String() string { switch level { case EMERGENCY: return "EMERGENCY" case ALERT: return "ALERT" case CRITICAL: return "CRITICAL" case ERROR: return "ERROR" case WARNING: return "WARNING" case NOTICE: return "NOTICE" case INFO: return "INFO" default: return "DEBUG" } }
go
{ "resource": "" }
q174612
UnmarshalJSON
validation
func (level *Level) UnmarshalJSON(data []byte) error { switch string(bytes.ToUpper(data)) { case `"EMERGENCY"`, "0": *level = EMERGENCY case `"ALERT"`, "1": *level = ALERT case `"CRITICAL"`, "2": *level = CRITICAL case `"ERROR"`, "3": *level = ERROR case `"WARNING"`, "4": *level = WARNING case `"NOTICE...
go
{ "resource": "" }
q174613
NewSTM
test
func NewSTM(c *v3.Client, apply func(STM) error, so ...stmOption) (*v3.TxnResponse, error) { opts := &stmOptions{ctx: c.Ctx()} for _, f := range so { f(opts) } if len(opts.prefetch) != 0 { f := apply apply = func(s STM) error { s.Get(opts.prefetch...) return f(s) } } return runSTM(mkSTM(c, opts), ap...
go
{ "resource": "" }
q174614
first
test
func (rs readSet) first() int64 { ret := int64(math.MaxInt64 - 1) for _, resp := range rs { if rev := resp.Header.Revision; rev < ret { ret = rev } } return ret }
go
{ "resource": "" }
q174615
cmps
test
func (ws writeSet) cmps(rev int64) []v3.Cmp { cmps := make([]v3.Cmp, 0, len(ws)) for key := range ws { cmps = append(cmps, v3.Compare(v3.ModRevision(key), "<", rev)) } return cmps }
go
{ "resource": "" }
q174616
NewSTMRepeatable
test
func NewSTMRepeatable(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) { return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(RepeatableReads)) }
go
{ "resource": "" }
q174617
NewSTMSerializable
test
func NewSTMSerializable(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) { return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(Serializable)) }
go
{ "resource": "" }
q174618
NewSTMReadCommitted
test
func NewSTMReadCommitted(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) { return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(ReadCommitted)) }
go
{ "resource": "" }
q174619
NewCertPool
test
func NewCertPool(CAFiles []string) (*x509.CertPool, error) { certPool := x509.NewCertPool() for _, CAFile := range CAFiles { pemByte, err := ioutil.ReadFile(CAFile) if err != nil { return nil, err } for { var block *pem.Block block, pemByte = pem.Decode(pemByte) if block == nil { break } ...
go
{ "resource": "" }
q174620
NewCert
test
func NewCert(certfile, keyfile string, parseFunc func([]byte, []byte) (tls.Certificate, error)) (*tls.Certificate, error) { cert, err := ioutil.ReadFile(certfile) if err != nil { return nil, err } key, err := ioutil.ReadFile(keyfile) if err != nil { return nil, err } if parseFunc == nil { parseFunc = tls...
go
{ "resource": "" }
q174621
Pause
test
func (p *peer) Pause() { p.mu.Lock() defer p.mu.Unlock() p.paused = true p.msgAppReader.pause() p.msgAppV2Reader.pause() }
go
{ "resource": "" }
q174622
Resume
test
func (p *peer) Resume() { p.mu.Lock() defer p.mu.Unlock() p.paused = false p.msgAppReader.resume() p.msgAppV2Reader.resume() }
go
{ "resource": "" }
q174623
pick
test
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...
go
{ "resource": "" }
q174624
post
test
func (s *snapshotSender) post(req *http.Request) (err error) { ctx, cancel := context.WithCancel(context.Background()) req = req.WithContext(ctx) defer cancel() type responseAndError struct { resp *http.Response body []byte err error } result := make(chan responseAndError, 1) go func() { resp, err := ...
go
{ "resource": "" }
q174625
newTxnResp
test
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...
go
{ "resource": "" }
q174626
applyCompare
test
func applyCompare(rv mvcc.ReadView, c *pb.Compare) bool { // TODO: possible optimizations // * chunk reads for large ranges to conserve memory // * rewrite rules for common patterns: // ex. "[a, b) createrev > 0" => "limit 1 /\ kvs > 0" // * caching rr, err := rv.Range(c.Key, mkGteRange(c.RangeEnd), mvcc.RangeOpt...
go
{ "resource": "" }
q174627
OpCompact
test
func OpCompact(rev int64, opts ...CompactOption) CompactOp { ret := CompactOp{revision: rev} ret.applyCompactOpts(opts) return ret }
go
{ "resource": "" }
q174628
NewPriorityQueue
test
func NewPriorityQueue(client *v3.Client, key string) *PriorityQueue { return &PriorityQueue{client, context.TODO(), key + "/"} }
go
{ "resource": "" }
q174629
Enqueue
test
func (q *PriorityQueue) Enqueue(val string, pr uint16) error { prefix := fmt.Sprintf("%s%05d", q.key, pr) _, err := newSequentialKV(q.client, prefix, val) return err }
go
{ "resource": "" }
q174630
NewLeaderStats
test
func NewLeaderStats(id string) *LeaderStats { return &LeaderStats{ leaderStats: leaderStats{ Leader: id, Followers: make(map[string]*FollowerStats), }, } }
go
{ "resource": "" }
q174631
Succ
test
func (fs *FollowerStats) Succ(d time.Duration) { fs.Lock() defer fs.Unlock() total := float64(fs.Counts.Success) * fs.Latency.Average totalSquare := float64(fs.Counts.Success) * fs.Latency.averageSquare fs.Counts.Success++ fs.Latency.Current = float64(d) / (1000000.0) if fs.Latency.Current > fs.Latency.Maxim...
go
{ "resource": "" }
q174632
Fail
test
func (fs *FollowerStats) Fail() { fs.Lock() defer fs.Unlock() fs.Counts.Fail++ }
go
{ "resource": "" }
q174633
delete
test
func (wbs *watchBroadcasts) delete(w *watcher) int { wbs.mu.Lock() defer wbs.mu.Unlock() wb, ok := wbs.watchers[w] if !ok { panic("deleting missing watcher from broadcasts") } delete(wbs.watchers, w) wb.delete(w) if wb.empty() { delete(wbs.bcasts, wb) wb.stop() } return len(wbs.bcasts) }
go
{ "resource": "" }
q174634
startStreamWriter
test
func startStreamWriter(lg *zap.Logger, local, id types.ID, status *peerStatus, fs *stats.FollowerStats, r Raft) *streamWriter { w := &streamWriter{ lg: lg, localID: local, peerID: id, status: status, fs: fs, r: r, msgc: make(chan raftpb.Message, streamBufSize), connc: make(chan *outgoing...
go
{ "resource": "" }
q174635
checkStreamSupport
test
func checkStreamSupport(v *semver.Version, t streamType) bool { nv := &semver.Version{Major: v.Major, Minor: v.Minor} for _, s := range supportedStream[nv.String()] { if s == t { return true } } return false }
go
{ "resource": "" }
q174636
maybeUpdate
test
func (pr *Progress) maybeUpdate(n uint64) bool { var updated bool if pr.Match < n { pr.Match = n updated = true pr.resume() } if pr.Next < n+1 { pr.Next = n + 1 } return updated }
go
{ "resource": "" }
q174637
IsPaused
test
func (pr *Progress) IsPaused() bool { switch pr.State { case ProgressStateProbe: return pr.Paused case ProgressStateReplicate: return pr.ins.full() case ProgressStateSnapshot: return true default: panic("unexpected state") } }
go
{ "resource": "" }
q174638
needSnapshotAbort
test
func (pr *Progress) needSnapshotAbort() bool { return pr.State == ProgressStateSnapshot && pr.Match >= pr.PendingSnapshot }
go
{ "resource": "" }
q174639
add
test
func (in *inflights) add(inflight uint64) { if in.full() { panic("cannot add into a full inflights") } next := in.start + in.count size := in.size if next >= size { next -= size } if next >= len(in.buffer) { in.growBuf() } in.buffer[next] = inflight in.count++ }
go
{ "resource": "" }
q174640
growBuf
test
func (in *inflights) growBuf() { newSize := len(in.buffer) * 2 if newSize == 0 { newSize = 1 } else if newSize > in.size { newSize = in.size } newBuffer := make([]uint64, newSize) copy(newBuffer, in.buffer) in.buffer = newBuffer }
go
{ "resource": "" }
q174641
freeTo
test
func (in *inflights) freeTo(to uint64) { if in.count == 0 || to < in.buffer[in.start] { // out of the left side of the window return } idx := in.start var i int for i = 0; i < in.count; i++ { if to < in.buffer[idx] { // found the first large inflight break } // increase index and maybe rotate size...
go
{ "resource": "" }
q174642
SaveDBFrom
test
func (s *Snapshotter) SaveDBFrom(r io.Reader, id uint64) (int64, error) { start := time.Now() f, err := ioutil.TempFile(s.dir, "tmp") if err != nil { return 0, err } var n int64 n, err = io.Copy(f, r) if err == nil { fsyncStart := time.Now() err = fileutil.Fsync(f) snapDBFsyncSec.Observe(time.Since(fsyn...
go
{ "resource": "" }
q174643
DBFilePath
test
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), ...
go
{ "resource": "" }
q174644
Set
test
func (us *UniqueStringsValue) Set(s string) error { us.Values = make(map[string]struct{}) for _, v := range strings.Split(s, ",") { us.Values[v] = struct{}{} } return nil }
go
{ "resource": "" }
q174645
NewUniqueStringsValue
test
func NewUniqueStringsValue(s string) (us *UniqueStringsValue) { us = &UniqueStringsValue{Values: make(map[string]struct{})} if s == "" { return us } if err := us.Set(s); err != nil { plog.Panicf("new UniqueStringsValue should never fail: %v", err) } return us }
go
{ "resource": "" }
q174646
UniqueStringsFromFlag
test
func UniqueStringsFromFlag(fs *flag.FlagSet, flagName string) []string { return (*fs.Lookup(flagName).Value.(*UniqueStringsValue)).stringSlice() }
go
{ "resource": "" }
q174647
UniqueStringsMapFromFlag
test
func UniqueStringsMapFromFlag(fs *flag.FlagSet, flagName string) map[string]struct{} { return (*fs.Lookup(flagName).Value.(*UniqueStringsValue)).Values }
go
{ "resource": "" }
q174648
Percentiles
test
func Percentiles(nums []float64) (pcs []float64, data []float64) { return pctls, percentiles(nums) }
go
{ "resource": "" }
q174649
VerifyBootstrap
test
func (c *ServerConfig) VerifyBootstrap() error { if err := c.hasLocalMember(); err != nil { return err } if err := c.advertiseMatchesCluster(); err != nil { return err } if checkDuplicateURL(c.InitialPeerURLsMap) { return fmt.Errorf("initial cluster %s has duplicate url", c.InitialPeerURLsMap) } if c.Initi...
go
{ "resource": "" }
q174650
VerifyJoinExisting
test
func (c *ServerConfig) VerifyJoinExisting() error { // The member has announced its peer urls to the cluster before starting; no need to // set the configuration again. if err := c.hasLocalMember(); err != nil { return err } if checkDuplicateURL(c.InitialPeerURLsMap) { return fmt.Errorf("initial cluster %s has...
go
{ "resource": "" }
q174651
hasLocalMember
test
func (c *ServerConfig) hasLocalMember() error { if urls := c.InitialPeerURLsMap[c.Name]; urls == nil { return fmt.Errorf("couldn't find local name %q in the initial cluster configuration", c.Name) } return nil }
go
{ "resource": "" }
q174652
advertiseMatchesCluster
test
func (c *ServerConfig) advertiseMatchesCluster() error { urls, apurls := c.InitialPeerURLsMap[c.Name], c.PeerURLs.StringSlice() urls.Sort() sort.Strings(apurls) ctx, cancel := context.WithTimeout(context.TODO(), 30*time.Second) defer cancel() ok, err := netutil.URLStringsEqual(ctx, c.Logger, apurls, urls.StringSl...
go
{ "resource": "" }
q174653
ReqTimeout
test
func (c *ServerConfig) ReqTimeout() time.Duration { // 5s for queue waiting, computation and disk IO delay // + 2 * election timeout for possible leader election return 5*time.Second + 2*time.Duration(c.ElectionTicks*int(c.TickMs))*time.Millisecond }
go
{ "resource": "" }
q174654
getStatus
test
func getStatus(r *raft) Status { s := getStatusWithoutProgress(r) if s.RaftState == StateLeader { s.Progress = getProgressCopy(r) } return s }
go
{ "resource": "" }
q174655
GetDefaultHost
test
func GetDefaultHost() (string, error) { rmsgs, rerr := getDefaultRoutes() if rerr != nil { return "", rerr } // prioritize IPv4 if rmsg, ok := rmsgs[syscall.AF_INET]; ok { if host, err := chooseHost(syscall.AF_INET, rmsg); host != "" || err != nil { return host, err } delete(rmsgs, syscall.AF_INET) } ...
go
{ "resource": "" }
q174656
getIfaceAddr
test
func getIfaceAddr(idx uint32, family uint8) (*syscall.NetlinkMessage, error) { dat, err := syscall.NetlinkRIB(syscall.RTM_GETADDR, int(family)) if err != nil { return nil, err } msgs, msgErr := syscall.ParseNetlinkMessage(dat) if msgErr != nil { return nil, msgErr } ifaddrmsg := syscall.IfAddrmsg{} for _,...
go
{ "resource": "" }
q174657
getIfaceLink
test
func getIfaceLink(idx uint32) (*syscall.NetlinkMessage, error) { dat, err := syscall.NetlinkRIB(syscall.RTM_GETLINK, syscall.AF_UNSPEC) if err != nil { return nil, err } msgs, msgErr := syscall.ParseNetlinkMessage(dat) if msgErr != nil { return nil, msgErr } ifinfomsg := syscall.IfInfomsg{} for _, m := ra...
go
{ "resource": "" }
q174658
lsCommandFunc
test
func lsCommandFunc(c *cli.Context, ki client.KeysAPI) { key := "/" if len(c.Args()) != 0 { key = c.Args()[0] } sort := c.Bool("sort") recursive := c.Bool("recursive") quorum := c.Bool("quorum") ctx, cancel := contextWithTotalTimeout(c) resp, err := ki.Get(ctx, key, &client.GetOptions{Sort: sort, Recursive: ...
go
{ "resource": "" }
q174659
printLs
test
func printLs(c *cli.Context, resp *client.Response) { if c.GlobalString("output") == "simple" { if !resp.Node.Dir { fmt.Println(resp.Node.Key) } for _, node := range resp.Node.Nodes { rPrint(c, node) } } else { // user wants JSON or extended output printResponseKey(resp, c.GlobalString("output")) }...
go
{ "resource": "" }
q174660
rPrint
test
func rPrint(c *cli.Context, n *client.Node) { if n.Dir && c.Bool("p") { fmt.Println(fmt.Sprintf("%v/", n.Key)) } else { fmt.Println(n.Key) } for _, node := range n.Nodes { rPrint(c, node) } }
go
{ "resource": "" }
q174661
NewLeaseRenewerCommand
test
func NewLeaseRenewerCommand() *cobra.Command { cmd := &cobra.Command{ Use: "lease-renewer", Short: "Performs lease renew operation", Run: runLeaseRenewerFunc, } cmd.Flags().Int64Var(&leaseTTL, "ttl", 5, "lease's ttl") return cmd }
go
{ "resource": "" }
q174662
Read
test
func Read(lg *zap.Logger, snapname string) (*raftpb.Snapshot, error) { b, err := ioutil.ReadFile(snapname) if err != nil { if lg != nil { lg.Warn("failed to read a snap file", zap.String("path", snapname), zap.Error(err)) } else { plog.Errorf("cannot read file %v: %v", snapname, err) } return nil, err ...
go
{ "resource": "" }
q174663
GetCipherSuite
test
func GetCipherSuite(s string) (uint16, bool) { v, ok := cipherSuites[s] return v, ok }
go
{ "resource": "" }
q174664
post
test
func (p *pipeline) post(data []byte) (err error) { u := p.picker.pick() req := createPostRequest(u, RaftPrefix, bytes.NewBuffer(data), "application/protobuf", p.tr.URLs, p.tr.ID, p.tr.ClusterID) done := make(chan struct{}, 1) ctx, cancel := context.WithCancel(context.Background()) req = req.WithContext(ctx) go f...
go
{ "resource": "" }
q174665
send
test
func (r *raft) send(m pb.Message) { m.From = r.id if m.Type == pb.MsgVote || m.Type == pb.MsgVoteResp || m.Type == pb.MsgPreVote || m.Type == pb.MsgPreVoteResp { if m.Term == 0 { // All {pre-,}campaign messages need to have the term set when // sending. // - MsgVote: m.Term is the term the node is campaign...
go
{ "resource": "" }
q174666
sendHeartbeat
test
func (r *raft) sendHeartbeat(to uint64, ctx []byte) { // Attach the commit as min(to.matched, r.committed). // When the leader sends out heartbeat message, // the receiver(follower) might not be matched with the leader // or it might not have all the committed entries. // The leader MUST NOT forward the follower's...
go
{ "resource": "" }
q174667
bcastAppend
test
func (r *raft) bcastAppend() { r.forEachProgress(func(id uint64, _ *Progress) { if id == r.id { return } r.sendAppend(id) }) }
go
{ "resource": "" }
q174668
bcastHeartbeat
test
func (r *raft) bcastHeartbeat() { lastCtx := r.readOnly.lastPendingRequestCtx() if len(lastCtx) == 0 { r.bcastHeartbeatWithCtx(nil) } else { r.bcastHeartbeatWithCtx([]byte(lastCtx)) } }
go
{ "resource": "" }
q174669
tickElection
test
func (r *raft) tickElection() { r.electionElapsed++ if r.promotable() && r.pastElectionTimeout() { r.electionElapsed = 0 r.Step(pb.Message{From: r.id, Type: pb.MsgHup}) } }
go
{ "resource": "" }
q174670
tickHeartbeat
test
func (r *raft) tickHeartbeat() { r.heartbeatElapsed++ r.electionElapsed++ if r.electionElapsed >= r.electionTimeout { r.electionElapsed = 0 if r.checkQuorum { r.Step(pb.Message{From: r.id, Type: pb.MsgCheckQuorum}) } // If current leader cannot transfer leadership in electionTimeout, it becomes leader ag...
go
{ "resource": "" }
q174671
stepCandidate
test
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 = ...
go
{ "resource": "" }
q174672
restore
test
func (r *raft) restore(s pb.Snapshot) bool { if s.Metadata.Index <= r.raftLog.committed { return false } if r.raftLog.matchTerm(s.Metadata.Index, s.Metadata.Term) { r.logger.Infof("%x [commit: %d, lastindex: %d, lastterm: %d] fast-forwarded commit to snapshot [index: %d, term: %d]", r.id, r.raftLog.committed,...
go
{ "resource": "" }
q174673
promotable
test
func (r *raft) promotable() bool { _, ok := r.prs[r.id] return ok }
go
{ "resource": "" }
q174674
checkQuorumActive
test
func (r *raft) checkQuorumActive() bool { var act int r.forEachProgress(func(id uint64, pr *Progress) { if id == r.id { // self is always active act++ return } if pr.RecentActive && !pr.IsLearner { act++ } pr.RecentActive = false }) return act >= r.quorum() }
go
{ "resource": "" }
q174675
increaseUncommittedSize
test
func (r *raft) increaseUncommittedSize(ents []pb.Entry) bool { var s uint64 for _, e := range ents { s += uint64(PayloadSize(e)) } if r.uncommittedSize > 0 && r.uncommittedSize+s > r.maxUncommittedSize { // If the uncommitted tail of the Raft log is empty, allow any size // proposal. Otherwise, limit the siz...
go
{ "resource": "" }
q174676
reduceUncommittedSize
test
func (r *raft) reduceUncommittedSize(ents []pb.Entry) { if r.uncommittedSize == 0 { // Fast-path for followers, who do not track or enforce the limit. return } var s uint64 for _, e := range ents { s += uint64(PayloadSize(e)) } if s > r.uncommittedSize { // uncommittedSize may underestimate the size of t...
go
{ "resource": "" }
q174677
newPeriodic
test
func newPeriodic(lg *zap.Logger, clock clockwork.Clock, h time.Duration, rg RevGetter, c Compactable) *Periodic { pc := &Periodic{ lg: lg, clock: clock, period: h, rg: rg, c: c, revs: make([]int64, 0), } pc.ctx, pc.cancel = context.WithCancel(context.Background()) return pc }
go
{ "resource": "" }
q174678
Pause
test
func (pc *Periodic) Pause() { pc.mu.Lock() pc.paused = true pc.mu.Unlock() }
go
{ "resource": "" }
q174679
Resume
test
func (pc *Periodic) Resume() { pc.mu.Lock() pc.paused = false pc.mu.Unlock() }
go
{ "resource": "" }
q174680
Lock
test
func (m *Mutex) Lock(ctx context.Context) error { s := m.s client := m.s.Client() m.myKey = fmt.Sprintf("%s%x", m.pfx, s.Lease()) cmp := v3.Compare(v3.CreateRevision(m.myKey), "=", 0) // put self in lock waiters via myKey; oldest waiter holds lock put := v3.OpPut(m.myKey, "", v3.WithLease(s.Lease())) // reuse k...
go
{ "resource": "" }
q174681
NewLocker
test
func NewLocker(s *Session, pfx string) sync.Locker { return &lockerMutex{NewMutex(s, pfx)} }
go
{ "resource": "" }
q174682
NewFIFOScheduler
test
func NewFIFOScheduler() Scheduler { f := &fifo{ resume: make(chan struct{}, 1), donec: make(chan struct{}, 1), } f.finishCond = sync.NewCond(&f.mu) f.ctx, f.cancel = context.WithCancel(context.Background()) go f.run() return f }
go
{ "resource": "" }
q174683
Schedule
test
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) }
go
{ "resource": "" }
q174684
Stop
test
func (f *fifo) Stop() { f.mu.Lock() f.cancel() f.cancel = nil f.mu.Unlock() <-f.donec }
go
{ "resource": "" }
q174685
NewServer
test
func NewServer( lg *zap.Logger, network string, address string, ) *Server { return &Server{ lg: lg, network: network, address: address, last: rpcpb.Operation_NOT_STARTED, advertiseClientPortToProxy: make(map[int]proxy.Serv...
go
{ "resource": "" }
q174686
StartServe
test
func (srv *Server) StartServe() error { var err error srv.ln, err = net.Listen(srv.network, srv.address) if err != nil { return err } var opts []grpc.ServerOption opts = append(opts, grpc.MaxRecvMsgSize(int(maxRequestBytes+grpcOverheadBytes))) opts = append(opts, grpc.MaxSendMsgSize(maxSendBytes)) opts = app...
go
{ "resource": "" }
q174687
Stop
test
func (srv *Server) Stop() { srv.lg.Info("gRPC server stopping", zap.String("address", srv.address)) srv.grpcServer.Stop() srv.lg.Info("gRPC server stopped", zap.String("address", srv.address)) }
go
{ "resource": "" }
q174688
Transport
test
func (srv *Server) Transport(stream rpcpb.Transport_TransportServer) (err error) { errc := make(chan error) go func() { for { var req *rpcpb.Request req, err = stream.Recv() if err != nil { errc <- err // TODO: handle error and retry return } if req.Member != nil { srv.Member = req.Me...
go
{ "resource": "" }
q174689
RegisterInterruptHandler
test
func RegisterInterruptHandler(h InterruptHandler) { interruptRegisterMu.Lock() defer interruptRegisterMu.Unlock() interruptHandlers = append(interruptHandlers, h) }
go
{ "resource": "" }
q174690
HandleInterrupts
test
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() ...
go
{ "resource": "" }
q174691
OpGet
test
func OpGet(key string, opts ...OpOption) Op { // WithPrefix and WithFromKey are not supported together if isWithPrefix(opts) && isWithFromKey(opts) { panic("`WithPrefix` and `WithFromKey` cannot be set at the same time, choose one") } ret := Op{t: tRange, key: []byte(key)} ret.applyOpts(opts) return ret }
go
{ "resource": "" }
q174692
OpDelete
test
func OpDelete(key string, opts ...OpOption) Op { // WithPrefix and WithFromKey are not supported together if isWithPrefix(opts) && isWithFromKey(opts) { panic("`WithPrefix` and `WithFromKey` cannot be set at the same time, choose one") } ret := Op{t: tDeleteRange, key: []byte(key)} ret.applyOpts(opts) switch { ...
go
{ "resource": "" }
q174693
OpPut
test
func OpPut(key, val string, opts ...OpOption) Op { ret := Op{t: tPut, key: []byte(key), val: []byte(val)} ret.applyOpts(opts) switch { case ret.end != nil: panic("unexpected range in put") case ret.limit != 0: panic("unexpected limit in put") case ret.rev != 0: panic("unexpected revision in put") case ret....
go
{ "resource": "" }
q174694
OpTxn
test
func OpTxn(cmps []Cmp, thenOps []Op, elseOps []Op) Op { return Op{t: tTxn, cmps: cmps, thenOps: thenOps, elseOps: elseOps} }
go
{ "resource": "" }
q174695
WithFromKey
test
func WithFromKey() OpOption { return func(op *Op) { if len(op.key) == 0 { op.key = []byte{0} } op.end = []byte("\x00") } }
go
{ "resource": "" }
q174696
withTop
test
func withTop(target SortTarget, order SortOrder) []OpOption { return []OpOption{WithPrefix(), WithSort(target, order), WithLimit(1)} }
go
{ "resource": "" }
q174697
Exist
test
func Exist(dir string) bool { names, err := fileutil.ReadDir(dir, fileutil.WithExt(".wal")) if err != nil { return false } return len(names) != 0 }
go
{ "resource": "" }
q174698
searchIndex
test
func searchIndex(lg *zap.Logger, names []string, index uint64) (int, bool) { for i := len(names) - 1; i >= 0; i-- { name := names[i] _, curIndex, err := parseWALName(name) if err != nil { if lg != nil { lg.Panic("failed to parse WAL file name", zap.String("path", name), zap.Error(err)) } else { plo...
go
{ "resource": "" }
q174699
isValidSeq
test
func isValidSeq(lg *zap.Logger, names []string) bool { var lastSeq uint64 for _, name := range names { curSeq, _, err := parseWALName(name) if err != nil { if lg != nil { lg.Panic("failed to parse WAL file name", zap.String("path", name), zap.Error(err)) } else { plog.Panicf("parse correct name shou...
go
{ "resource": "" }