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meta_information
dict
q12100
IsEmpty
train
func (q *Queue) IsEmpty() bool { return atomic.LoadUint64(q.write.processing) == atomic.LoadUint64(q.read.processing) }
go
{ "resource": "" }
q12101
RegisterWithDepth
train
func (registry TypeRegistry) RegisterWithDepth(typeInstance interface{}, depth int) { structType := reflect.TypeOf(typeInstance) packageName := structType.PkgPath() typeName := structType.Name() pathTokens := strings.Split(packageName, "/") maxDepth := 3 if len(pathTokens) < maxDepth { maxDepth = len(pathTokens) } for n := depth; n <= maxDepth; n++ { shortTypeName := strings.Join(pathTokens[len(pathTokens)-n:], ".") + "." + typeName registry.namedType[shortTypeName] = structType } }
go
{ "resource": "" }
q12102
GetTypeOf
train
func (registry TypeRegistry) GetTypeOf(typeName string) reflect.Type { if structType, exists := registry.namedType[typeName]; exists { return reflect.PtrTo(structType) } return nil }
go
{ "resource": "" }
q12103
IsTypeRegistered
train
func (registry TypeRegistry) IsTypeRegistered(typeName string) bool { _, exists := registry.namedType[typeName] return exists }
go
{ "resource": "" }
q12104
GetRegistered
train
func (registry TypeRegistry) GetRegistered(packageName string) []string { var result []string for key := range registry.namedType { if strings.HasPrefix(key, packageName) { result = append(result, key) } } return result }
go
{ "resource": "" }
q12105
Colorize
train
func Colorize(c Color, b BackgroundColor, text string) string { return fmt.Sprintf("%s%s%s%s%s", ResetColors, c, b, text, ResetColors.String()) }
go
{ "resource": "" }
q12106
Colorizef
train
func Colorizef(c Color, b BackgroundColor, format string, args ...interface{}) string { args = append([]interface{}{ResetColors, c, b}, args...) args = append(args, ResetColors) return fmt.Sprintf("%s%s%s"+format+"%s", args...) }
go
{ "resource": "" }
q12107
NewMutex
train
func NewMutex(priority SpinPriority) *Mutex { return &Mutex{ state: new(int32), priority: priority, } }
go
{ "resource": "" }
q12108
TryLock
train
func (m *Mutex) TryLock() bool { return atomic.CompareAndSwapInt32(m.state, mutexUnlocked, mutexLocked) }
go
{ "resource": "" }
q12109
Write
train
func (log logNull) Write(message []byte) (int, error) { return len(message), nil }
go
{ "resource": "" }
q12110
NextPowerOf2U16
train
func NextPowerOf2U16(v uint16) uint16 { v-- v |= v >> 1 v |= v >> 2 v |= v >> 4 v |= v >> 8 v++ return v }
go
{ "resource": "" }
q12111
NextPowerOf2U32
train
func NextPowerOf2U32(v uint32) uint32 { v-- v |= v >> 1 v |= v >> 2 v |= v >> 4 v |= v >> 8 v |= v >> 16 v++ return v }
go
{ "resource": "" }
q12112
NextPowerOf2U64
train
func NextPowerOf2U64(v uint64) uint64 { v-- v |= v >> 1 v |= v >> 2 v |= v >> 4 v |= v >> 8 v |= v >> 16 v |= v >> 32 v++ return v }
go
{ "resource": "" }
q12113
NewStackWithGrowSize
train
func NewStackWithGrowSize(size, grow int) Stack { return NewStackWithSpinnerAndGrowSize(size, grow, NewSpinner(SpinPriorityMedium)) }
go
{ "resource": "" }
q12114
NewStackWithSpinner
train
func NewStackWithSpinner(size int, spin Spinner) Stack { return NewStackWithSpinnerAndGrowSize(size, size, spin) }
go
{ "resource": "" }
q12115
NewStackWithSpinnerAndGrowSize
train
func NewStackWithSpinnerAndGrowSize(size, grow int, spin Spinner) Stack { return Stack{ data: make([]interface{}, tmath.MinI(size, 1)), growBy: tmath.MinI(grow, 1), head: new(uint32), spin: spin, } }
go
{ "resource": "" }
q12116
Len
train
func (s *Stack) Len() int { return int(atomic.LoadUint32(s.head) & unlockMask) }
go
{ "resource": "" }
q12117
Pop
train
func (s *Stack) Pop() (interface{}, error) { spin := s.spin for { head := atomic.LoadUint32(s.head) unlockedHead := head & unlockMask lockedHead := head | lockMask // Always work with unlocked head as head might be locked if unlockedHead == 0 { return nil, LimitError{"Stack is empty"} } if atomic.CompareAndSwapUint32(s.head, unlockedHead, lockedHead) { data := s.data[unlockedHead-1] // copy data atomic.StoreUint32(s.head, unlockedHead-1) // unlock return data, nil // ### return ### } spin.Yield() } }
go
{ "resource": "" }
q12118
Push
train
func (s *Stack) Push(v interface{}) error { spin := s.spin for { head := atomic.LoadUint32(s.head) unlockedHead := head & unlockMask lockedHead := head | lockMask // Always work with unlocked head as head might be locked if unlockedHead == unlockMask { return LimitError{"Stack is full"} } if atomic.CompareAndSwapUint32(s.head, unlockedHead, lockedHead) { if unlockedHead == uint32(len(s.data)) { // Grow stack old := s.data s.data = make([]interface{}, len(s.data)+s.growBy) copy(s.data, old) } s.data[unlockedHead] = v // write to new head atomic.StoreUint32(s.head, unlockedHead+1) // unlock return nil // ### return ### } spin.Yield() } }
go
{ "resource": "" }
q12119
ItoLen
train
func ItoLen(number uint64) int { switch { case number < 10: return 1 default: return int(math.Log10(float64(number)) + 1) } }
go
{ "resource": "" }
q12120
Itob
train
func Itob(number uint64, buffer []byte) error { numberLen := ItoLen(number) bufferLen := len(buffer) if numberLen > bufferLen { return fmt.Errorf("Number too large for buffer") } for i := numberLen - 1; i >= 0; i-- { buffer[i] = '0' + byte(number%10) number /= 10 } return nil }
go
{ "resource": "" }
q12121
Itobe
train
func Itobe(number uint64, buffer []byte) error { for i := len(buffer) - 1; i >= 0; i-- { buffer[i] = '0' + byte(number%10) number /= 10 // Check here because the number 0 has to be written, too if number == 0 { return nil } } return fmt.Errorf("Number too large for buffer") }
go
{ "resource": "" }
q12122
Btoi
train
func Btoi(buffer []byte) (uint64, int) { number := uint64(0) index := 0 bufferLen := len(buffer) for index < bufferLen && buffer[index] >= '0' && buffer[index] <= '9' { parsed := uint64(buffer[index] - '0') number = number*10 + parsed index++ } return number, index }
go
{ "resource": "" }
q12123
IndexN
train
func IndexN(s, sep string, n int) int { sepIdx := 0 for i := 0; i < n; i++ { nextIdx := strings.Index(s[sepIdx:], sep) if nextIdx == -1 { return -1 // ### return, not found ### } sepIdx += nextIdx + 1 } return sepIdx - 1 }
go
{ "resource": "" }
q12124
LastIndexN
train
func LastIndexN(s, sep string, n int) int { if n == 0 { return -1 // ### return, nonsense ### } sepIdx := len(s) for i := 0; i < n; i++ { sepIdx = strings.LastIndex(s[:sepIdx], sep) if sepIdx == -1 { return -1 // ### return, not found ### } } return sepIdx }
go
{ "resource": "" }
q12125
IsInt
train
func IsInt(s string) bool { for i, c := range s { if (c < '0' || c > '9') && (c != '-' || i != 0) { return false } } return true }
go
{ "resource": "" }
q12126
IsJSON
train
func IsJSON(data []byte) (bool, error, *json.RawMessage) { delayedResult := new(json.RawMessage) err := json.Unmarshal(data, delayedResult) return err == nil, err, delayedResult }
go
{ "resource": "" }
q12127
NewByteRef
train
func NewByteRef(a string) ByteRef { stringHeader := (*reflect.StringHeader)(unsafe.Pointer(&a)) sliceHeader := &reflect.SliceHeader{ Data: stringHeader.Data, Len: stringHeader.Len, Cap: stringHeader.Len, } return *(*ByteRef)(unsafe.Pointer(sliceHeader)) }
go
{ "resource": "" }
q12128
NewStringRef
train
func NewStringRef(a []byte) StringRef { sliceHeader := (*reflect.SliceHeader)(unsafe.Pointer(&a)) stringHeader := &reflect.StringHeader{ Data: sliceHeader.Data, Len: sliceHeader.Len, } return *(*StringRef)(unsafe.Pointer(stringHeader)) }
go
{ "resource": "" }
q12129
JoinStringers
train
func JoinStringers(a []fmt.Stringer, sep string) string { if len(a) == 0 { return "" } if len(a) == 1 { return a[0].String() } str := make([]string, len(a)) for i, s := range a { str[i] = s.String() } return strings.Join(str, sep) }
go
{ "resource": "" }
q12130
GetNumBase
train
func GetNumBase(num string) (string, int) { switch { case len(num) == 0: return num, 10 case len(num) > 1 && num[0] == '0': if num[1] == 'x' { return num[2:], 16 } return num[1:], 8 } return num, 10 }
go
{ "resource": "" }
q12131
AtoI64
train
func AtoI64(num string) (int64, error) { if len(num) == 0 { return 0, nil } n, b := GetNumBase(num) return strconv.ParseInt(n, b, 64) }
go
{ "resource": "" }
q12132
AtoU64
train
func AtoU64(num string) (uint64, error) { if len(num) == 0 { return 0, nil } n, b := GetNumBase(num) return strconv.ParseUint(n, b, 64) }
go
{ "resource": "" }
q12133
Serialize
train
func (s JSONSerializer) Serialize(ss *sessions.Session) ([]byte, error) { m := make(map[string]interface{}, len(ss.Values)) for k, v := range ss.Values { ks, ok := k.(string) if !ok { err := fmt.Errorf("Non-string key value, cannot serialize session to JSON: %v", k) fmt.Printf("redistore.JSONSerializer.serialize() Error: %v", err) return nil, err } m[ks] = v } return json.Marshal(m) }
go
{ "resource": "" }
q12134
Serialize
train
func (s GobSerializer) Serialize(ss *sessions.Session) ([]byte, error) { buf := new(bytes.Buffer) enc := gob.NewEncoder(buf) err := enc.Encode(ss.Values) if err == nil { return buf.Bytes(), nil } return nil, err }
go
{ "resource": "" }
q12135
ping
train
func (s *RediStore) ping() (bool, error) { conn := s.Pool.Get() defer conn.Close() data, err := conn.Do("PING") if err != nil || data == nil { return false, err } return (data == "PONG"), nil }
go
{ "resource": "" }
q12136
save
train
func (s *RediStore) save(session *sessions.Session) error { b, err := s.serializer.Serialize(session) if err != nil { return err } if s.maxLength != 0 && len(b) > s.maxLength { return errors.New("SessionStore: the value to store is too big") } conn := s.Pool.Get() defer conn.Close() if err = conn.Err(); err != nil { return err } age := session.Options.MaxAge if age == 0 { age = s.DefaultMaxAge } _, err = conn.Do("SETEX", s.keyPrefix+session.ID, age, b) return err }
go
{ "resource": "" }
q12137
load
train
func (s *RediStore) load(session *sessions.Session) (bool, error) { conn := s.Pool.Get() defer conn.Close() if err := conn.Err(); err != nil { return false, err } data, err := conn.Do("GET", s.keyPrefix+session.ID) if err != nil { return false, err } if data == nil { return false, nil // no data was associated with this key } b, err := redis.Bytes(data, err) if err != nil { return false, err } return true, s.serializer.Deserialize(b, session) }
go
{ "resource": "" }
q12138
delete
train
func (s *RediStore) delete(session *sessions.Session) error { conn := s.Pool.Get() defer conn.Close() if _, err := conn.Do("DEL", s.keyPrefix+session.ID); err != nil { return err } return nil }
go
{ "resource": "" }
q12139
Load
train
func (m *Map) Load(key interface{}) (elem interface{}, found bool) { m.lock.RLock() elem, found = m.data[key] m.lock.RUnlock() return }
go
{ "resource": "" }
q12140
Store
train
func (m *Map) Store(key interface{}, elem interface{}) { m.lock.Lock() m.data[key] = elem m.lock.Unlock() }
go
{ "resource": "" }
q12141
Go
train
func (executor *UnboundedExecutor) Go(handler func(ctx context.Context)) { pc := reflect.ValueOf(handler).Pointer() f := runtime.FuncForPC(pc) funcName := f.Name() file, line := f.FileLine(pc) executor.activeGoroutinesMutex.Lock() defer executor.activeGoroutinesMutex.Unlock() startFrom := fmt.Sprintf("%s:%d", file, line) executor.activeGoroutines[startFrom] += 1 go func() { defer func() { recovered := recover() // if you want to quit a goroutine without trigger HandlePanic // use runtime.Goexit() to quit if recovered != nil { if executor.HandlePanic == nil { HandlePanic(recovered, funcName) } else { executor.HandlePanic(recovered, funcName) } } executor.activeGoroutinesMutex.Lock() executor.activeGoroutines[startFrom] -= 1 executor.activeGoroutinesMutex.Unlock() }() handler(executor.ctx) }() }
go
{ "resource": "" }
q12142
StopAndWait
train
func (executor *UnboundedExecutor) StopAndWait(ctx context.Context) { executor.cancel() for { oneHundredMilliseconds := time.NewTimer(time.Millisecond * 100) select { case <-oneHundredMilliseconds.C: if executor.checkNoActiveGoroutines() { return } case <-ctx.Done(): return } } }
go
{ "resource": "" }
q12143
AppendMeasure
train
func AppendMeasure(b []byte, t time.Time, m stats.Measure) []byte { b = append(b, m.Name...) for _, tag := range m.Tags { b = append(b, ',') b = append(b, tag.Name...) b = append(b, '=') b = append(b, tag.Value...) } for i, field := range m.Fields { if len(field.Name) == 0 { field.Name = "value" } if i == 0 { b = append(b, ' ') } else { b = append(b, ',') } b = append(b, field.Name...) b = append(b, '=') switch v := field.Value; v.Type() { case stats.Null: case stats.Bool: if v.Bool() { b = append(b, "true"...) } else { b = append(b, "false"...) } case stats.Int: b = strconv.AppendInt(b, v.Int(), 10) case stats.Uint: b = strconv.AppendUint(b, v.Uint(), 10) case stats.Float: b = strconv.AppendFloat(b, v.Float(), 'g', -1, 64) case stats.Duration: b = strconv.AppendFloat(b, v.Duration().Seconds(), 'g', -1, 64) } } b = append(b, ' ') b = strconv.AppendInt(b, t.UnixNano(), 10) return append(b, '\n') }
go
{ "resource": "" }
q12144
NewEngine
train
func NewEngine(prefix string, handler Handler, tags ...Tag) *Engine { return &Engine{ Handler: handler, Prefix: prefix, Tags: SortTags(copyTags(tags)), } }
go
{ "resource": "" }
q12145
Register
train
func (eng *Engine) Register(handler Handler) { if eng.Handler == Discard { eng.Handler = handler } else { eng.Handler = MultiHandler(eng.Handler, handler) } }
go
{ "resource": "" }
q12146
WithPrefix
train
func (eng *Engine) WithPrefix(prefix string, tags ...Tag) *Engine { return &Engine{ Handler: eng.Handler, Prefix: eng.makeName(prefix), Tags: eng.makeTags(tags), } }
go
{ "resource": "" }
q12147
Clock
train
func (eng *Engine) Clock(name string, tags ...Tag) *Clock { return eng.ClockAt(name, time.Now(), tags...) }
go
{ "resource": "" }
q12148
ClockAt
train
func (eng *Engine) ClockAt(name string, start time.Time, tags ...Tag) *Clock { cpy := make([]Tag, len(tags), len(tags)+1) // clock always appends a stamp. copy(cpy, tags) return &Clock{ name: name, first: start, last: start, tags: cpy, eng: eng, } }
go
{ "resource": "" }
q12149
ReportAt
train
func (eng *Engine) ReportAt(time time.Time, metrics interface{}, tags ...Tag) { var tb *tagsBuffer if len(tags) == 0 { // fast path for the common case where there are no dynamic tags tags = eng.Tags } else { tb = tagsPool.Get().(*tagsBuffer) tb.append(tags...) tb.append(eng.Tags...) tb.sort() tags = tb.tags } mb := measurePool.Get().(*measuresBuffer) mb.measures = appendMeasures(mb.measures[:0], &eng.cache, eng.Prefix, reflect.ValueOf(metrics), tags...) ms := mb.measures eng.Handler.HandleMeasures(time, ms...) for i := range ms { ms[i].reset() } if tb != nil { tb.reset() tagsPool.Put(tb) } measurePool.Put(mb) }
go
{ "resource": "" }
q12150
WithPrefix
train
func WithPrefix(prefix string, tags ...Tag) *Engine { return DefaultEngine.WithPrefix(prefix, tags...) }
go
{ "resource": "" }
q12151
IncrAt
train
func IncrAt(time time.Time, name string, tags ...Tag) { DefaultEngine.IncrAt(time, name, tags...) }
go
{ "resource": "" }
q12152
ObserveAt
train
func ObserveAt(time time.Time, name string, value interface{}, tags ...Tag) { DefaultEngine.ObserveAt(time, name, value, tags...) }
go
{ "resource": "" }
q12153
ReportAt
train
func ReportAt(time time.Time, metrics interface{}, tags ...Tag) { DefaultEngine.ReportAt(time, metrics, tags...) }
go
{ "resource": "" }
q12154
AppendMeasure
train
func AppendMeasure(b []byte, m stats.Measure) []byte { return AppendMeasureFiltered(b, m, nil) }
go
{ "resource": "" }
q12155
statusCode
train
func statusCode(code int) string { if code >= 100 { switch { case code < 200: return statusCodeWithTable(code-100, statusCode100[:]) case code < 300: return statusCodeWithTable(code-200, statusCode200[:]) case code < 400: return statusCodeWithTable(code-300, statusCode300[:]) case code < 500: return statusCodeWithTable(code-400, statusCode400[:]) case code < 600: return statusCodeWithTable(code-500, statusCode500[:]) } } return strconv.Itoa(code) }
go
{ "resource": "" }
q12156
le
train
func le(buckets []stats.Value) string { if len(buckets) == 0 { return "" } b := make([]byte, 0, 8*len(buckets)) for i, v := range buckets { if i != 0 { b = append(b, ':') } b = appendFloat(b, valueOf(v)) } return *(*string)(unsafe.Pointer(&reflect.StringHeader{ Data: uintptr(unsafe.Pointer(&b[0])), Len: len(b), })) }
go
{ "resource": "" }
q12157
HandleMeasures
train
func (b *Buffer) HandleMeasures(time time.Time, measures ...Measure) { if len(measures) == 0 { return } size := b.bufferSize() b.prepare(size) buffer := b.acquireBuffer() length := buffer.len() buffer.append(b.Serializer, time, measures...) if buffer.len() >= size { if length == 0 { // When there were no data in the buffer prior to writing the set of // measures we unfortunately have to overflow the configured buffer // size, but the Serializer documentation mentions that this corner // case has to be handled. length = buffer.len() } buffer.flush(b.Serializer, length) } buffer.release() }
go
{ "resource": "" }
q12158
Flush
train
func (b *Buffer) Flush() { b.prepare(b.bufferSize()) for i := range b.buffers { if buffer := &b.buffers[i]; buffer.acquire() { buffer.flush(b.Serializer, buffer.len()) buffer.release() } } }
go
{ "resource": "" }
q12159
ServeSearch
train
func (f SearchHandlerFunc) ServeSearch(ctx context.Context, res SearchResponse, req *SearchRequest) error { return f(ctx, res, req) }
go
{ "resource": "" }
q12160
MakeField
train
func MakeField(name string, value interface{}, ftype FieldType) Field { f := Field{Name: name, Value: ValueOf(value)} f.setType(ftype) return f }
go
{ "resource": "" }
q12161
NewTransport
train
func NewTransport(t http.RoundTripper) http.RoundTripper { return NewTransportWith(stats.DefaultEngine, t) }
go
{ "resource": "" }
q12162
NewTransportWith
train
func NewTransportWith(eng *stats.Engine, t http.RoundTripper) http.RoundTripper { return &transport{ transport: t, eng: eng, } }
go
{ "resource": "" }
q12163
RequestWithTags
train
func RequestWithTags(req *http.Request, tags ...stats.Tag) *http.Request { ctx := req.Context() ctx = context.WithValue(ctx, contextKeyReqTags, tags) return req.WithContext(ctx) }
go
{ "resource": "" }
q12164
RoundTrip
train
func (t *transport) RoundTrip(req *http.Request) (res *http.Response, err error) { start := time.Now() rtrip := t.transport eng := t.eng if rtrip == nil { rtrip = http.DefaultTransport } if tags, ok := req.Context().Value(contextKeyReqTags).([]stats.Tag); ok { eng = eng.WithTags(tags...) } if req.Body == nil { req.Body = &nullBody{} } m := &metrics{} req.Body = &requestBody{ eng: eng, req: req, metrics: m, body: req.Body, op: "write", } res, err = rtrip.RoundTrip(req) // safe guard, the transport should have done it already req.Body.Close() // nolint if err != nil { m.observeError(time.Now().Sub(start)) eng.ReportAt(start, m) } else { res.Body = &responseBody{ eng: eng, res: res, metrics: m, body: res.Body, op: "read", start: start, } } return }
go
{ "resource": "" }
q12165
ServeQuery
train
func (f QueryHandlerFunc) ServeQuery(ctx context.Context, res QueryResponse, req *QueryRequest) error { return f(ctx, res, req) }
go
{ "resource": "" }
q12166
Col
train
func Col(text string, colType ColumnType) Column { return Column{Text: text, Type: colType} }
go
{ "resource": "" }
q12167
AscCol
train
func AscCol(text string, colType ColumnType) Column { return Column{Text: text, Type: colType, Sort: true} }
go
{ "resource": "" }
q12168
DescCol
train
func DescCol(text string, colType ColumnType) Column { return Column{Text: text, Type: colType, Sort: true, Desc: true} }
go
{ "resource": "" }
q12169
Set
train
func (b HistogramBuckets) Set(key string, buckets ...interface{}) { v := make([]Value, len(buckets)) for i, b := range buckets { v[i] = ValueOf(b) } b[makeKey(key)] = v }
go
{ "resource": "" }
q12170
NewProcMetricsWith
train
func NewProcMetricsWith(eng *stats.Engine, pid int) *ProcMetrics { p := &ProcMetrics{engine: eng, pid: pid} p.cpu.user.typ = "user" p.cpu.system.typ = "system" p.memory.resident.typ = "resident" p.memory.shared.typ = "shared" p.memory.text.typ = "text" p.memory.data.typ = "data" p.memory.pagefault.major.typ = "major" p.memory.pagefault.minor.typ = "minor" p.threads.switches.voluntary.typ = "voluntary" p.threads.switches.involuntary.typ = "involuntary" return p }
go
{ "resource": "" }
q12171
NewHandler
train
func NewHandler(prefix string, handler Handler) http.Handler { mux := http.NewServeMux() Handle(mux, prefix, handler) return mux }
go
{ "resource": "" }
q12172
NewClient
train
func NewClient(addr string) *Client { return NewClientWith(ClientConfig{ClientConfig: datadog.ClientConfig{Address: addr}}) }
go
{ "resource": "" }
q12173
NewClientGlobal
train
func NewClientGlobal(addr string) *Client { return NewClientWith(ClientConfig{ClientConfig: datadog.ClientConfig{Address: addr}, GlobalOnly: true}) }
go
{ "resource": "" }
q12174
NewClientWith
train
func NewClientWith(config ClientConfig) *Client { // Construct Veneur-specific Tags we will append to measures tags := []stats.Tag{} if config.GlobalOnly { tags = append(tags, stats.Tag{Name: GlobalOnly}) } else if config.LocalOnly { tags = append(tags, stats.Tag{Name: LocalOnly}) } for _, t := range config.SinksOnly { tags = append(tags, stats.Tag{Name: SinkOnly, Value: t}) } return &Client{ Client: datadog.NewClientWith(datadog.ClientConfig{ Address: config.Address, BufferSize: config.BufferSize, Filters: config.Filters, }), tags: tags, } }
go
{ "resource": "" }
q12175
NewHandler
train
func NewHandler(h http.Handler) http.Handler { return NewHandlerWith(stats.DefaultEngine, h) }
go
{ "resource": "" }
q12176
NewHandlerWith
train
func NewHandlerWith(eng *stats.Engine, h http.Handler) http.Handler { return &handler{ handler: h, eng: eng, } }
go
{ "resource": "" }
q12177
ListenAndServe
train
func ListenAndServe(addr string, handler Handler) (err error) { var conn net.PacketConn if conn, err = net.ListenPacket("udp", addr); err != nil { return } err = Serve(conn, handler) return }
go
{ "resource": "" }
q12178
Serve
train
func Serve(conn net.PacketConn, handler Handler) (err error) { defer conn.Close() concurrency := runtime.GOMAXPROCS(-1) if concurrency <= 0 { concurrency = 1 } done := make(chan error, concurrency) conn.SetDeadline(time.Time{}) for i := 0; i != concurrency; i++ { go serve(conn, handler, done) } for i := 0; i != concurrency; i++ { switch e := <-done; e { case nil, io.EOF, io.ErrClosedPipe, io.ErrUnexpectedEOF: default: err = e } conn.Close() } return }
go
{ "resource": "" }
q12179
M
train
func M(m map[string]string) []Tag { tags := make([]Tag, 0, len(m)) for k, v := range m { tags = append(tags, T(k, v)) } return tags }
go
{ "resource": "" }
q12180
TagsAreSorted
train
func TagsAreSorted(tags []Tag) bool { if len(tags) > 1 { min := tags[0].Name for _, tag := range tags[1:] { if tag.Name < min { return false } min = tag.Name } } return true }
go
{ "resource": "" }
q12181
SortTags
train
func SortTags(tags []Tag) []Tag { // Insertion sort since these arrays are very small and allocation is the // primary enemy of performance here. if len(tags) >= 20 { sort.Sort(tagsByName(tags)) } else { for i := 0; i < len(tags); i++ { for j := i; j > 0 && tags[j-1].Name > tags[j].Name; j-- { tags[j], tags[j-1] = tags[j-1], tags[j] } } } return tags }
go
{ "resource": "" }
q12182
NewClientWith
train
func NewClientWith(config ClientConfig) *Client { if len(config.Address) == 0 { config.Address = DefaultAddress } if config.BufferSize == 0 { config.BufferSize = DefaultBufferSize } if config.Filters == nil { config.Filters = DefaultFilters } // transform filters from array to map filterMap := make(map[string]struct{}) for _, f := range config.Filters { filterMap[f] = struct{}{} } c := &Client{ serializer: serializer{ filters: filterMap, }, } conn, bufferSize, err := dial(config.Address, config.BufferSize) if err != nil { log.Printf("stats/datadog: %s", err) } c.conn, c.err, c.bufferSize = conn, err, bufferSize c.buffer.BufferSize = bufferSize c.buffer.Serializer = &c.serializer log.Printf("stats/datadog: sending metrics with a buffer of size %d B", bufferSize) return c }
go
{ "resource": "" }
q12183
ServeAnnotations
train
func (f AnnotationsHandlerFunc) ServeAnnotations(ctx context.Context, res AnnotationsResponse, req *AnnotationsRequest) error { return f(ctx, res, req) }
go
{ "resource": "" }
q12184
HandleMeasures
train
func (f HandlerFunc) HandleMeasures(time time.Time, measures ...Measure) { f(time, measures...) }
go
{ "resource": "" }
q12185
MultiHandler
train
func MultiHandler(handlers ...Handler) Handler { multi := make([]Handler, 0, len(handlers)) for _, h := range handlers { if h != nil { if m, ok := h.(*multiHandler); ok { multi = append(multi, m.handlers...) // flatten multi handlers } else { multi = append(multi, h) } } } if len(multi) == 1 { return multi[0] } return &multiHandler{handlers: multi} }
go
{ "resource": "" }
q12186
NewHandlerWith
train
func NewHandlerWith(eng *stats.Engine, hdl Handler) Handler { return &handler{ handler: hdl, eng: eng, } }
go
{ "resource": "" }
q12187
ServeHTTP
train
func (h *Handler) ServeHTTP(res http.ResponseWriter, req *http.Request) { switch req.Method { case "GET", "HEAD": default: res.WriteHeader(http.StatusMethodNotAllowed) return } w := io.Writer(res) res.Header().Set("Content-Type", "text/plain; version=0.0.4") if acceptEncoding(req.Header.Get("Accept-Encoding"), "gzip") { res.Header().Set("Content-Encoding", "gzip") zw := gzip.NewWriter(w) defer zw.Close() w = zw } h.WriteStats(w) }
go
{ "resource": "" }
q12188
NewClientWith
train
func NewClientWith(config ClientConfig) *Client { if len(config.Address) == 0 { config.Address = DefaultAddress } if len(config.Database) == 0 { config.Database = DefaultDatabase } if config.BufferSize == 0 { config.BufferSize = DefaultBufferSize } if config.Timeout == 0 { config.Timeout = DefaultTimeout } c := &Client{ serializer: serializer{ url: makeURL(config.Address, config.Database), done: make(chan struct{}), http: http.Client{ Timeout: config.Timeout, Transport: config.Transport, }, }, } c.buffer.BufferSize = config.BufferSize c.buffer.Serializer = &c.serializer return c }
go
{ "resource": "" }
q12189
CreateDB
train
func (c *Client) CreateDB(db string) error { u := *c.url q := u.Query() q.Del("db") u.Path = "/query" u.RawQuery = q.Encode() r, err := c.http.Post(u.String(), "application/x-www-form-urlencoded", strings.NewReader( fmt.Sprintf("q=CREATE DATABASE %q", db), )) if err != nil { return err } return readResponse(r) }
go
{ "resource": "" }
q12190
StopAt
train
func (c *Clock) StopAt(now time.Time) { c.observe("total", now.Sub(c.first)) }
go
{ "resource": "" }
q12191
NewDelayMetricsWith
train
func NewDelayMetricsWith(eng *stats.Engine, pid int) *DelayMetrics { return &DelayMetrics{engine: eng, pid: pid} }
go
{ "resource": "" }
q12192
NewGoMetricsWith
train
func NewGoMetricsWith(eng *stats.Engine) *GoMetrics { g := &GoMetrics{ engine: eng, version: runtime.Version(), } g.memstats.total.memtype = "total" g.memstats.heap.memtype = "heap" g.memstats.stack.memtype = "stack" g.memstats.mspan.memtype = "mspan" g.memstats.mcache.memtype = "mcache" g.memstats.buckhash.memtype = "bucket_hash_table" g.memstats.gc.memtype = "gc" g.memstats.other.memtype = "other" return g }
go
{ "resource": "" }
q12193
NewConn
train
func NewConn(c net.Conn) net.Conn { return NewConnWith(stats.DefaultEngine, c) }
go
{ "resource": "" }
q12194
NewConnWith
train
func NewConnWith(eng *stats.Engine, c net.Conn) net.Conn { nc := &conn{Conn: c, eng: eng} proto := c.LocalAddr().Network() nc.r.metrics.protocol = proto nc.w.metrics.protocol = proto eng.Incr("conn.open:count", stats.T("protocol", proto)) return nc }
go
{ "resource": "" }
q12195
List
train
func List() ([]string, error) { godelw, err := newGodelwRunner() if err != nil { return nil, err } products, err := godelw.run("products") if err != nil { return nil, err } return strings.Split(products, "\n"), nil }
go
{ "resource": "" }
q12196
Dist
train
func Dist(product string) (string, error) { godelw, err := newGodelwRunner() if err != nil { return "", err } if _, err := godelw.run("dist", product); err != nil { return "", err } return godelw.run("artifacts", "dist", "--absolute", product) }
go
{ "resource": "" }
q12197
MustNewPluginInfo
train
func MustNewPluginInfo(group, product, version string, params ...PluginInfoParam) PluginInfo { cmd, err := NewPluginInfo(group, product, version, params...) if err != nil { panic(errors.Wrapf(err, "failed to create plugin info")) } return cmd }
go
{ "resource": "" }
q12198
String
train
func (o OSArch) String() string { return fmt.Sprintf("%v-%v", o.OS, o.Arch) }
go
{ "resource": "" }
q12199
ConfigNotSupported
train
func ConfigNotSupported(name string, cfgBytes []byte) ([]byte, error) { var mapSlice yaml.MapSlice if err := yaml.Unmarshal(cfgBytes, &mapSlice); err != nil { return nil, errors.Wrapf(err, "failed to unmarshal %s configuration as yaml.MapSlice", name) } if len(mapSlice) != 0 { return nil, errors.Errorf("%s does not currently support configuration", name) } return cfgBytes, nil }
go
{ "resource": "" }