Best Gauge code snippet using reporter.Item
reporter.go
Source:reporter.go
...120 reporter.Close()121 }122}123// ------------- REMOTE REPORTER -----------------124type reporterQueueItemType int125const (126 defaultQueueSize = 100127 defaultBufferFlushInterval = 1 * time.Second128 reporterQueueItemSpan reporterQueueItemType = iota129 reporterQueueItemClose130)131type reporterQueueItem struct {132 itemType reporterQueueItemType133 span *Span134 close *sync.WaitGroup135}136type remoteReporter struct {137 // These fields must be first in the struct because `sync/atomic` expects 64-bit alignment.138 // Cf. https://github.com/uber/jaeger-client-go/issues/155, https://goo.gl/zW7dgq139 queueLength int64140 closed int64 // 0 - not closed, 1 - closed141 reporterOptions142 sender Transport143 queue chan reporterQueueItem144}145// NewRemoteReporter creates a new reporter that sends spans out of process by means of Sender.146// Calls to Report(Span) return immediately (side effect: if internal buffer is full the span is dropped).147// Periodically the transport buffer is flushed even if it hasn't reached max packet size.148// Calls to Close() block until all spans reported prior to the call to Close are flushed.149func NewRemoteReporter(sender Transport, opts ...ReporterOption) Reporter {150 options := reporterOptions{}151 for _, option := range opts {152 option(&options)153 }154 if options.bufferFlushInterval <= 0 {155 options.bufferFlushInterval = defaultBufferFlushInterval156 }157 if options.logger == nil {158 options.logger = log.NullLogger159 }160 if options.metrics == nil {161 options.metrics = NewNullMetrics()162 }163 if options.queueSize <= 0 {164 options.queueSize = defaultQueueSize165 }166 reporter := &remoteReporter{167 reporterOptions: options,168 sender: sender,169 queue: make(chan reporterQueueItem, options.queueSize),170 }171 go reporter.processQueue()172 return reporter173}174// Report implements Report() method of Reporter.175// It passes the span to a background go-routine for submission to Jaeger backend.176// If the internal queue is full, the span is dropped and metrics.ReporterDropped counter is incremented.177// If Report() is called after the reporter has been Close()-ed, the additional spans will not be178// sent to the backend, but the metrics.ReporterDropped counter may not reflect them correctly,179// because some of them may still be successfully added to the queue.180func (r *remoteReporter) Report(span *Span) {181 select {182 case r.queue <- reporterQueueItem{itemType: reporterQueueItemSpan, span: span}:183 atomic.AddInt64(&r.queueLength, 1)184 default:185 r.metrics.ReporterDropped.Inc(1)186 }187}188// Close implements Close() method of Reporter by waiting for the queue to be drained.189func (r *remoteReporter) Close() {190 if swapped := atomic.CompareAndSwapInt64(&r.closed, 0, 1); !swapped {191 r.logger.Error("Repeated attempt to close the reporter is ignored")192 return193 }194 r.sendCloseEvent()195 r.sender.Close()196}197func (r *remoteReporter) sendCloseEvent() {198 wg := &sync.WaitGroup{}199 wg.Add(1)200 item := reporterQueueItem{itemType: reporterQueueItemClose, close: wg}201 r.queue <- item // if the queue is full we will block until there is space202 atomic.AddInt64(&r.queueLength, 1)203 wg.Wait()204}205// processQueue reads spans from the queue, converts them to Thrift, and stores them in an internal buffer.206// When the buffer length reaches batchSize, it is flushed by submitting the accumulated spans to Jaeger.207// Buffer also gets flushed automatically every batchFlushInterval seconds, just in case the tracer stopped208// reporting new spans.209func (r *remoteReporter) processQueue() {210 // flush causes the Sender to flush its accumulated spans and clear the buffer211 flush := func() {212 if flushed, err := r.sender.Flush(); err != nil {213 r.metrics.ReporterFailure.Inc(int64(flushed))214 r.logger.Error(fmt.Sprintf("error when flushing the buffer: %s", err.Error()))215 } else if flushed > 0 {216 r.metrics.ReporterSuccess.Inc(int64(flushed))217 }218 }219 timer := time.NewTicker(r.bufferFlushInterval)220 for {221 select {222 case <-timer.C:223 flush()224 case item := <-r.queue:225 atomic.AddInt64(&r.queueLength, -1)226 switch item.itemType {227 case reporterQueueItemSpan:228 span := item.span229 if flushed, err := r.sender.Append(span); err != nil {230 r.metrics.ReporterFailure.Inc(int64(flushed))231 r.logger.Error(fmt.Sprintf("error reporting span %q: %s", span.OperationName(), err.Error()))232 } else if flushed > 0 {233 r.metrics.ReporterSuccess.Inc(int64(flushed))234 // to reduce the number of gauge stats, we only emit queue length on flush235 r.metrics.ReporterQueueLength.Update(atomic.LoadInt64(&r.queueLength))236 }237 case reporterQueueItemClose:238 timer.Stop()239 flush()240 item.close.Done()241 return242 }243 }244 }245}...
Item
Using AI Code Generation
1func main() {2 r := reporter.Item("this is a test")3 fmt.Println(r)4}5func main() {6 r := reporter.Item("this is a test")7 fmt.Println(r)8}9./1.go:8: cannot use reporter.Item("this is a test") (type reporter.Report) as type string in argument to fmt.Println10./2.go:8: cannot use reporter.Item("this is a test") (type reporter.Report) as type string in argument to fmt.Println11func main() {12 r := reporter.Item("this is a test")13 fmt.Println(r.Message)14}15func main() {16 r := reporter.Item("this is a test")17 fmt.Println(r.Message)18}
Item
Using AI Code Generation
1import "fmt"2func main() {3 rep.Item("Shoes")4 rep.Item("Socks")5}6import "fmt"7type reporter struct {8}9func (r *reporter) Item(item string) {10 fmt.Println(item)11}12func main() {13 rep.Item("Shoes")14 rep.Item("Socks")15}16import "fmt"17type reporter struct {18}19func (r *reporter) Item(item string) {20 fmt.Println(item)21}22func main() {23 (&rep).Item("Shoes")24 (&rep).Item("Socks")25}26import "fmt"27type reporter struct {28}29func (r *reporter) Item(item string) {30 fmt.Println(item)31}32func main() {33 r.Item("Shoes")34 r.Item("Socks")35}36import "fmt"37type reporter struct {38}39func (r *reporter) Item(item string) {40 fmt.Println(item)41}42func main() {43 rep.Item("Shoes")44 rep.Item("Socks")45}46import "fmt"47type reporter struct {48}49func (r *reporter) Item(item string) {50 fmt.Println(item)51}52func main() {53 rep.Item("Shoes")54 rep.Item("Socks")55}56import "fmt"57type reporter struct {58}59func (r *reporter) Item(item string) {60 fmt.Println(item)61}62func main() {63 rep.Item("Shoes")64 rep.Item("Socks")65}
Item
Using AI Code Generation
1import "fmt"2func main() {3 r := &reporter{name: "Go"}4 r.Item("Go")5}6import "fmt"7func main() {8 r := &reporter{name: "Go"}9 r.Item("Go")10}11import "fmt"12func main() {13 r := &reporter{name: "Go"}14 r.Item("Go")15}16import "fmt"17func main() {18 r := &reporter{name: "Go"}19 r.Item("Go")20}21import "fmt"22func main() {23 r := &reporter{name: "Go"}24 r.Item("Go")25}26import "fmt"27func main() {28 r := &reporter{name: "Go"}29 r.Item("Go")30}31import "fmt"32func main() {33 r := &reporter{name: "Go"}34 r.Item("Go")35}36import "fmt"37func main() {38 r := &reporter{name: "Go"}39 r.Item("Go")40}41import "fmt"42func main() {43 r := &reporter{name: "Go"}44 r.Item("Go")45}46import "fmt"47func main() {48 r := &reporter{name: "Go"}49 r.Item("Go")50}51import "fmt"52func main() {53 r := &reporter{name: "Go"}54 r.Item("Go")55}
Item
Using AI Code Generation
1import (2type reporter interface {3 Item()4}5type item struct {6}7func (i item) Item() {8 fmt.Println("Item name is", i.name, "and price is", i.price)9}10func main() {11 i := item{"mango", 10.0}12 fmt.Println(i)13 i.Item()14}15{mango 10}16func (r receiver_type) method_name(parameters) (return_type) {17}18import (19type item struct {20}21func (i item) Item() {22 fmt.Println("Item name is", i.name, "and price is", i.price)23}24func main() {25 i := item{"m
Item
Using AI Code Generation
1func main() {2 reporter := &MyReporter{}3 reporter.Item("Hello")4}5func main() {6 reporter := &MyReporter{}7 reporter.Item("World")8}9func main() {10 reporter := &MyReporter{}11 reporter.Item("!")12}13func main() {14 reporter := &MyReporter{}15 reporter.Item("Hello")16 reporter.Item("World")17 reporter.Item("!")18}19func main() {20 reporter := &MyReporter{}21 reporter.Item("Hello")22 reporter.Item("World")23 reporter.Item("!")24 reporter.Item("Hello")25 reporter.Item("World")26 reporter.Item("!")27}28func main() {29 reporter := &MyReporter{}30 reporter.Item("Hello")31 reporter.Item("World")32 reporter.Item("!")33 reporter.Item("Hello")34 reporter.Item("World")35 reporter.Item("!")36 reporter.Item("Hello")37 reporter.Item("World")38 reporter.Item("!")39}40func main() {41 reporter := &MyReporter{}42 reporter.Item("Hello")43 reporter.Item("World")44 reporter.Item("!")45 reporter.Item("Hello")46 reporter.Item("World")47 reporter.Item("!")48 reporter.Item("Hello")49 reporter.Item("World")50 reporter.Item("!")51 reporter.Item("Hello")52 reporter.Item("World")53 reporter.Item("!")54}55func main() {56 reporter := &MyReporter{}57 reporter.Item("Hello")58 reporter.Item("World")59 reporter.Item("!")60 reporter.Item("Hello")61 reporter.Item("World")62 reporter.Item("!")63 reporter.Item("Hello")64 reporter.Item("World")65 reporter.Item("!")
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