Version: v0.96.0 Latest Latest

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Published: Jun 27, 2021 License: Apache-2.0 Imports: 48 Imported by: 8





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const (
	// ReasonNormalEnd indicates a normal end to the run
	ReasonNormalEnd = StopReason("normal")

	// ReasonCancel indicates end due to cancellation
	ReasonCancel = StopReason("cancel")

	// ReasonTimeout indicates run ended due to Z parameter timeout
	ReasonTimeout = StopReason("timeout")
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const ScheduleConst = "const"

ScheduleConst is a constant load schedule

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const ScheduleLine = "line"

ScheduleLine is the line load schedule

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const ScheduleStep = "step"

ScheduleStep is the step load schedule


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var ErrEndStream = errors.New("ending stream")

ErrEndStream is a signal from message providers that worker should close the stream It should not be used for erronous states

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var ErrLastMessage = errors.New("last message")

ErrLastMessage is a signal from message providers that the returned payload is the last one of the stream This is optional but encouraged for optimized performance Message payload returned along with this error must be valid and may not be nil


func LoadConfig

func LoadConfig(p string, c *Config) error

LoadConfig loads the config from a file


type BinaryDataFunc

type BinaryDataFunc func(mtd *desc.MethodDescriptor, callData *CallData) []byte

BinaryDataFunc is a function that can be used for provide binary data for request programatically. MethodDescriptor of the call is passed to the data function. CallData for the request is passed and can be used to access worker id, request number, etc...

type Bucket

type Bucket struct {
	// The Mark for histogram bucket in seconds
	Mark float64 `json:"mark"`

	// The count in the bucket
	Count int `json:"count"`

	// The frequency of results in the bucket as a decimal percentage
	Frequency float64 `json:"frequency"`

Bucket holds histogram data

type CallData

type CallData struct {
	WorkerID           string // unique worker ID
	RequestNumber      int64  // unique incremented request number for each request
	FullyQualifiedName string // fully-qualified name of the method call
	MethodName         string // shorter call method name
	ServiceName        string // the service name
	InputName          string // name of the input message type
	OutputName         string // name of the output message type
	IsClientStreaming  bool   // whether this call is client streaming
	IsServerStreaming  bool   // whether this call is server streaming
	Timestamp          string // timestamp of the call in RFC3339 format
	TimestampUnix      int64  // timestamp of the call as unix time in seconds
	TimestampUnixMilli int64  // timestamp of the call as unix time in milliseconds
	TimestampUnixNano  int64  // timestamp of the call as unix time in nanoseconds
	UUID               string // generated UUIDv4 for each call
	// contains filtered or unexported fields

CallData represents contextualized data available for templating

func (*CallData) ExecuteData

func (td *CallData) ExecuteData(data string) ([]byte, error)

ExecuteData applies the call data's parsed template and data string and returns the resulting buffer

func (*CallData) Regenerate

func (td *CallData) Regenerate() *CallData

Regenerate generates a new instance of call data from this parent instance The dynamic data like timestamps and UUIDs are re-filled

type Config

type Config struct {
	Proto                 string            `json:"proto" toml:"proto" yaml:"proto"`
	Protoset              string            `json:"protoset" toml:"protoset" yaml:"protoset"`
	Call                  string            `json:"call" toml:"call" yaml:"call"`
	RootCert              string            `json:"cacert" toml:"cacert" yaml:"cacert"`
	Cert                  string            `json:"cert" toml:"cert" yaml:"cert"`
	Key                   string            `json:"key" toml:"key" yaml:"key"`
	CountErrors           bool              `json:"count-errors" toml:"count-errors" yaml:"count-errors"`
	SkipTLSVerify         bool              `json:"skipTLS" toml:"skipTLS" yaml:"skipTLS"`
	SkipFirst             uint              `json:"skipFirst" toml:"skipFirst" yaml:"skipFirst"`
	CName                 string            `json:"cname" toml:"cname" yaml:"cname"`
	Authority             string            `json:"authority" toml:"authority" yaml:"authority"`
	Insecure              bool              `json:"insecure,omitempty" toml:"insecure,omitempty" yaml:"insecure,omitempty"`
	N                     uint              `json:"total" toml:"total" yaml:"total" default:"200"`
	Async                 bool              `json:"async,omitempty" toml:"async,omitempty" yaml:"async,omitempty"`
	C                     uint              `json:"concurrency" toml:"concurrency" yaml:"concurrency" default:"50"`
	CSchedule             string            `json:"concurrency-schedule" toml:"concurrency-schedule" yaml:"concurrency-schedule" default:"const"`
	CStart                uint              `json:"concurrency-start" toml:"concurrency-start" yaml:"concurrency-start" default:"1"`
	CEnd                  uint              `json:"concurrency-end" toml:"concurrency-end" yaml:"concurrency-end" default:"0"`
	CStep                 int               `json:"concurrency-step" toml:"concurrency-step" yaml:"concurrency-step" default:"0"`
	CStepDuration         Duration          `json:"concurrency-step-duration" toml:"concurrency-step-duration" yaml:"concurrency-step-duration" default:"0"`
	CMaxDuration          Duration          `json:"concurrency-max-duration" toml:"concurrency-max-duration" yaml:"concurrency-max-duration" default:"0"`
	Connections           uint              `json:"connections" toml:"connections" yaml:"connections" default:"1"`
	RPS                   uint              `json:"rps" toml:"rps" yaml:"rps"`
	Z                     Duration          `json:"duration" toml:"duration" yaml:"duration"`
	ZStop                 string            `json:"duration-stop" toml:"duration-stop" yaml:"duration-stop" default:"close"`
	X                     Duration          `json:"max-duration" toml:"max-duration" yaml:"max-duration"`
	Timeout               Duration          `json:"timeout" toml:"timeout" yaml:"timeout" default:"20s"`
	Data                  interface{}       `json:"data,omitempty" toml:"data,omitempty" yaml:"data,omitempty"`
	DataPath              string            `json:"data-file" toml:"data-file" yaml:"data-file"`
	BinData               []byte            `json:"-" toml:"-" yaml:"-"`
	BinDataPath           string            `json:"binary-file" toml:"binary-file" yaml:"binary-file"`
	Metadata              map[string]string `json:"metadata,omitempty" toml:"metadata,omitempty" yaml:"metadata,omitempty"`
	MetadataPath          string            `json:"metadata-file" toml:"metadata-file" yaml:"metadata-file"`
	SI                    Duration          `json:"stream-interval" toml:"stream-interval" yaml:"stream-interval"`
	StreamCallDuration    Duration          `json:"stream-call-duration" toml:"stream-call-duration" yaml:"stream-call-duration"`
	StreamCallCount       uint              `json:"stream-call-count" toml:"stream-call-count" yaml:"stream-call-count"`
	StreamDynamicMessages bool              `json:"stream-dynamic-messages" toml:"stream-dynamic-messages" yaml:"stream-dynamic-messages"`
	Output                string            `json:"output" toml:"output" yaml:"output"`
	Format                string            `json:"format" toml:"format" yaml:"format" default:"summary"`
	DialTimeout           Duration          `json:"connect-timeout" toml:"connect-timeout" yaml:"connect-timeout" default:"10s"`
	KeepaliveTime         Duration          `json:"keepalive" toml:"keepalive" yaml:"keepalive"`
	CPUs                  uint              `json:"cpus" toml:"cpus" yaml:"cpus"`
	ImportPaths           []string          `json:"import-paths,omitempty" toml:"import-paths,omitempty" yaml:"import-paths,omitempty"`
	Name                  string            `json:"name,omitempty" toml:"name,omitempty" yaml:"name,omitempty"`
	Tags                  map[string]string `json:"tags,omitempty" toml:"tags,omitempty" yaml:"tags,omitempty"`
	ReflectMetadata       map[string]string `json:"reflect-metadata,omitempty" toml:"reflect-metadata,omitempty" yaml:"reflect-metadata,omitempty"`
	Debug                 string            `json:"debug,omitempty" toml:"debug,omitempty" yaml:"debug,omitempty"`
	Host                  string            `json:"host" toml:"host" yaml:"host"`
	EnableCompression     bool              `json:"enable-compression,omitempty" toml:"enable-compression,omitempty" yaml:"enable-compression,omitempty"`
	LoadSchedule          string            `json:"load-schedule" toml:"load-schedule" yaml:"load-schedule" default:"const"`
	LoadStart             uint              `json:"load-start" toml:"load-start" yaml:"load-start"`
	LoadEnd               uint              `json:"load-end" toml:"load-end" yaml:"load-end"`
	LoadStep              int               `json:"load-step" toml:"load-step" yaml:"load-step"`
	LoadStepDuration      Duration          `json:"load-step-duration" toml:"load-step-duration" yaml:"load-step-duration"`
	LoadMaxDuration       Duration          `json:"load-max-duration" toml:"load-max-duration" yaml:"load-max-duration"`
	LBStrategy            string            `json:"lb-strategy" toml:"lb-strategy" yaml:"lb-strategy"`

Config for the run. TODO fix casing and consistency.

type Counter

type Counter struct {
	// contains filtered or unexported fields

Counter is an implementation of the request counter

func (*Counter) Get

func (c *Counter) Get() uint64

Get retrieves the current count

func (*Counter) Inc

func (c *Counter) Inc() uint64

Inc increases the current count

type DataProviderFunc

type DataProviderFunc func(*CallData) ([]*dynamic.Message, error)

DataProviderFunc is the interface for providing data for calls For unary and server streaming calls it should return an array with a single element For client and bidi streaming calls it should return an array of messages to be used

type Duration

type Duration time.Duration

Duration is our duration with TOML support

func (Duration) MarshalJSON

func (d Duration) MarshalJSON() ([]byte, error)

MarshalJSON implements encoding JSONMarshaler

func (Duration) MarshalText

func (d Duration) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler

func (Duration) String

func (d Duration) String() string

func (*Duration) UnmarshalJSON

func (d *Duration) UnmarshalJSON(text []byte) error

UnmarshalJSON is our custom unmarshaller with JSON support

func (*Duration) UnmarshalText

func (d *Duration) UnmarshalText(text []byte) error

UnmarshalText is our custom unmarshaller with TOML support

type LatencyDistribution

type LatencyDistribution struct {
	Percentage int           `json:"percentage"`
	Latency    time.Duration `json:"latency"`

LatencyDistribution holds latency distribution data

type Logger

type Logger interface {
	Debug(args ...interface{})
	Debugf(template string, args ...interface{})
	Debugw(msg string, keysAndValues ...interface{})
	Error(args ...interface{})
	Errorf(template string, args ...interface{})
	Errorw(msg string, keysAndValues ...interface{})

Logger interface is the common logger interface for all of web

type MetadataProviderFunc

type MetadataProviderFunc func(*CallData) (*metadata.MD, error)

MetadataProviderFunc is the interface for providing metadadata for calls

type Option

type Option func(*RunConfig) error

Option controls some aspect of run

func WithAsync

func WithAsync(async bool) Option

WithAsync specifies the async option

func WithAuthority

func WithAuthority(authority string) Option

WithAuthority specifies the value to be used as the :authority pseudo-header. This only works with WithInsecure option.

func WithBinaryData

func WithBinaryData(data []byte) Option

WithBinaryData specifies the binary data

msg := &helloworld.HelloRequest{}
msg.Name = "bob"
binData, _ := proto.Marshal(msg)

func WithBinaryDataFromFile

func WithBinaryDataFromFile(path string) Option

WithBinaryDataFromFile specifies the binary data


func WithBinaryDataFunc

func WithBinaryDataFunc(data func(mtd *desc.MethodDescriptor, callData *CallData) []byte) Option

WithBinaryDataFunc specifies the binary data func which will be called on each request


func WithCPUs

func WithCPUs(c uint) Option

WithCPUs specifies the number of CPU's to be used


func WithCertificate

func WithCertificate(cert, key string) Option

WithCertificate specifies the certificate options for the run

WithCertificate("client.crt", "client.key")

func WithClientLoadBalancing

func WithClientLoadBalancing(strategy string) Option

WithClientLoadBalancing specifies the LB strategy to use The strategies has to be self written and pre defined

func WithConcurrency

func WithConcurrency(c uint) Option

WithConcurrency specifies the C (number of concurrent requests) option


func WithConcurrencyDuration

func WithConcurrencyDuration(duration time.Duration) Option

WithConcurrencyDuration specifies the total concurrency adjustment duration

func WithConcurrencyEnd

func WithConcurrencyEnd(v uint) Option

WithConcurrencyEnd specifies the concurrency end value for line or step schedule


func WithConcurrencySchedule

func WithConcurrencySchedule(schedule string) Option

WithConcurrencySchedule specifies the concurrency adjustment schedule


func WithConcurrencyStart

func WithConcurrencyStart(v uint) Option

WithConcurrencyStart specifies the concurrency start for line or step schedule


func WithConcurrencyStep

func WithConcurrencyStep(step int) Option

WithConcurrencyStep specifies the concurrency step value or slope


func WithConcurrencyStepDuration

func WithConcurrencyStepDuration(duration time.Duration) Option

WithConcurrencyStepDuration specifies the concurrency step duration for step schedule

func WithConfig

func WithConfig(cfg *Config) Option

WithConfig uses the configuration to populate the RunConfig See also: WithConfigFromFile, WithConfigFromReader

func WithConfigFromFile

func WithConfigFromFile(file string) Option

WithConfigFromFile uses a configuration JSON file to populate the RunConfig


func WithConfigFromReader

func WithConfigFromReader(reader io.Reader) Option

WithConfigFromReader uses a reader containing JSON data to populate the RunConfig See also: WithConfigFromFile

func WithConnections

func WithConnections(c uint) Option

WithConnections specifies the number of gRPC connections to use


func WithCountErrors

func WithCountErrors(v bool) Option

WithCountErrors is the count errors option

func WithData

func WithData(data interface{}) Option

WithData specifies data as generic data that can be serailized to JSON

func WithDataFromFile

func WithDataFromFile(path string) Option

WithDataFromFile loads JSON data from file


func WithDataFromJSON

func WithDataFromJSON(data string) Option

WithDataFromJSON loads JSON data from string


func WithDataFromReader

func WithDataFromReader(r io.Reader) Option

WithDataFromReader loads JSON data from reader

file, _ := os.Open("data.json")

func WithDataProvider

func WithDataProvider(fn DataProviderFunc) Option

WithDataProvider provides custom data provider

WithDataProvider(func(*CallData) ([]*dynamic.Message, error) {
	protoMsg := &helloworld.HelloRequest{Name: "Bob"}
	dynamicMsg, err := dynamic.AsDynamicMessage(protoMsg)
	if err != nil {
		return nil, err
	return []*dynamic.Message{dynamicMsg}, nil

func WithDialTimeout

func WithDialTimeout(dt time.Duration) Option

WithDialTimeout specifies the initial connection dial timeout


func WithDurationStopAction

func WithDurationStopAction(action string) Option

WithDurationStopAction specifies how run duration (Z) timeout is handled Possible options are "close", "ignore", and "wait"


func WithEnableCompression

func WithEnableCompression(enableCompression bool) Option

WithEnableCompression specifies that requests should be done using gzip Compressor


func WithInsecure

func WithInsecure(insec bool) Option

WithInsecure specifies that this run should be done using insecure mode


func WithKeepalive

func WithKeepalive(k time.Duration) Option

WithKeepalive specifies the keepalive timeout


func WithLoadDuration

func WithLoadDuration(duration time.Duration) Option

WithLoadDuration specifies the load duration

func WithLoadEnd

func WithLoadEnd(end uint) Option

WithLoadEnd specifies the load end


func WithLoadSchedule

func WithLoadSchedule(schedule string) Option

WithLoadSchedule specifies the load schedule


func WithLoadStart

func WithLoadStart(start uint) Option

WithLoadStart specifies the load start


func WithLoadStep

func WithLoadStep(step int) Option

WithLoadStep specifies the load step


func WithLoadStepDuration

func WithLoadStepDuration(duration time.Duration) Option

WithLoadStepDuration specifies the load step duration for step schedule

func WithLogger

func WithLogger(log Logger) Option

WithLogger specifies the logging option

func WithMetadata

func WithMetadata(md map[string]string) Option

WithMetadata specifies the metadata to be used as a map

md := make(map[string]string)
md["token"] = "foobar"
md["request-id"] = "123"

func WithMetadataFromFile

func WithMetadataFromFile(path string) Option

WithMetadataFromFile loads JSON metadata from file


func WithMetadataFromJSON

func WithMetadataFromJSON(md string) Option

WithMetadataFromJSON specifies the metadata to be read from JSON string


func WithMetadataProvider

func WithMetadataProvider(fn MetadataProviderFunc) Option

WithMetadataProvider provides custom metadata provider

WithMetadataProvider(ctd *CallData) (*metadata.MD, error) {
	return &metadata.MD{"token": []string{"secret"}}, nil

func WithName

func WithName(name string) Option

WithName sets the name of the test run

WithName("greeter service test")

func WithPacer

func WithPacer(p load.Pacer) Option

WithPacer specified the custom pacer to use

func WithProtoFile

func WithProtoFile(proto string, importPaths []string) Option

WithProtoFile specified proto file path and optionally import paths We will automatically add the proto file path's directory and the current directory

WithProtoFile("greeter.proto", []string{"/home/protos"})

func WithProtoset

func WithProtoset(protoset string) Option

WithProtoset specified protoset file path


func WithRPS

func WithRPS(v uint) Option

WithRPS specifies the RPS (requests per second) limit option


func WithReflectionMetadata

func WithReflectionMetadata(md map[string]string) Option

WithReflectionMetadata specifies the metadata to be used as a map

md := make(map[string]string)
md["token"] = "foobar"
md["request-id"] = "123"

func WithRootCertificate

func WithRootCertificate(cert string) Option

WithRootCertificate specifies the root certificate options for the run


func WithRunDuration

func WithRunDuration(z time.Duration) Option

WithRunDuration specifies the Z (total test duration) option


func WithServerNameOverride

func WithServerNameOverride(cname string) Option

WithServerNameOverride specifies the certificate options for the run

func WithSkipFirst

func WithSkipFirst(c uint) Option

WithSkipFirst is the skipFirst option

func WithSkipTLSVerify

func WithSkipTLSVerify(skip bool) Option

WithSkipTLSVerify skip client side TLS verification of server certificate

func WithStreamCallCount

func WithStreamCallCount(c uint) Option

WithStreamCallCount sets the stream close count

func WithStreamCallDuration

func WithStreamCallDuration(d time.Duration) Option

WithStreamCallDuration sets the maximum stream call duration at which point the client will close the stream

func WithStreamDynamicMessages

func WithStreamDynamicMessages(v bool) Option

WithStreamDynamicMessages sets the stream dynamic message generation

func WithStreamInterval

func WithStreamInterval(d time.Duration) Option

WithStreamInterval sets the stream interval

func WithStreamMessageProvider

func WithStreamMessageProvider(fn StreamMessageProviderFunc) Option

WithStreamMessageProvider sets custom stream message provider

WithStreamMessageProvider(func(cd *CallData) (*dynamic.Message, error) {
	protoMsg := &helloworld.HelloRequest{Name: cd.WorkerID + ": " + strconv.FormatInt(cd.RequestNumber, 10)}
	dynamicMsg, err := dynamic.AsDynamicMessage(protoMsg)
	if err != nil {
		return nil, err


	if callCounter == 5 {
		err = ErrLastMessage

	return dynamicMsg, err

func WithStreamRecvMsgIntercept

func WithStreamRecvMsgIntercept(fn StreamRecvMsgInterceptFunc) Option

WithStreamRecvMsgIntercept specified the stream receive intercept function

WithStreamRecvMsgIntercept(func(msg *dynamic.Message, err error) error {
	if err == nil && msg != nil {
		reply := &helloworld.HelloReply{}
		convertErr := msg.ConvertTo(reply)
		if convertErr == nil {
			if reply.GetMessage() == "Hello bar" {
				return ErrEndStream
	return nil

func WithTags

func WithTags(tags map[string]string) Option

WithTags specifies the user defined tags as a map

tags := make(map[string]string)
tags["env"] = "staging"
tags["created by"] = "joe developer"

func WithTemplateFuncs

func WithTemplateFuncs(funcMap template.FuncMap) Option

WithTemplateFuncs adds additional template functions

func WithTimeout

func WithTimeout(timeout time.Duration) Option

WithTimeout specifies the timeout for each request


func WithTotalRequests

func WithTotalRequests(n uint) Option

WithTotalRequests specifies the N (number of total requests) setting


func WithWorkerTicker

func WithWorkerTicker(ticker load.WorkerTicker) Option

WithWorkerTicker specified the custom worker ticker to use

type Options

type Options struct {
	Call              string   `json:"call,omitempty"`
	Host              string   `json:"host,omitempty"`
	Proto             string   `json:"proto,omitempty"`
	Protoset          string   `json:"protoset,omitempty"`
	ImportPaths       []string `json:"import-paths,omitempty"`
	EnableCompression bool     `json:"enable-compression,omitempty"`

	CACert    string `json:"cacert,omitempty"`
	Cert      string `json:"cert,omitempty"`
	Key       string `json:"key,omitempty"`
	CName     string `json:"cname,omitempty"`
	SkipTLS   bool   `json:"skipTLS,omitempty"`
	Insecure  bool   `json:"insecure"`
	Authority string `json:"authority,omitempty"`

	RPS              uint          `json:"rps,omitempty"`
	LoadSchedule     string        `json:"load-schedule"`
	LoadStart        uint          `json:"load-start"`
	LoadEnd          uint          `json:"load-end"`
	LoadStep         int           `json:"load-step"`
	LoadStepDuration time.Duration `json:"load-step-duration"`
	LoadMaxDuration  time.Duration `json:"load-max-duration"`

	Concurrency   uint          `json:"concurrency,omitempty"`
	CSchedule     string        `json:"concurrency-schedule"`
	CStart        uint          `json:"concurrency-start"`
	CEnd          uint          `json:"concurrency-end"`
	CStep         int           `json:"concurrency-step"`
	CStepDuration time.Duration `json:"concurrency-step-duration"`
	CMaxDuration  time.Duration `json:"concurrency-max-duration"`

	Total uint `json:"total,omitempty"`
	Async bool `json:"async,omitempty"`

	Connections   uint          `json:"connections,omitempty"`
	Duration      time.Duration `json:"duration,omitempty"`
	Timeout       time.Duration `json:"timeout,omitempty"`
	DialTimeout   time.Duration `json:"dial-timeout,omitempty"`
	KeepaliveTime time.Duration `json:"keepalive,omitempty"`

	Data     interface{}        `json:"data,omitempty"`
	Binary   bool               `json:"binary"`
	Metadata *map[string]string `json:"metadata,omitempty"`

	CPUs int    `json:"CPUs"`
	Name string `json:"name,omitempty"`

	SkipFirst   uint `json:"skipFirst,omitempty"`
	CountErrors bool `json:"count-errors,omitempty"`

Options represents the request options TODO fix casing and consistency

type Report

type Report struct {
	Name      string     `json:"name,omitempty"`
	EndReason StopReason `json:"endReason,omitempty"`

	Options Options   `json:"options,omitempty"`
	Date    time.Time `json:"date"`

	Count   uint64        `json:"count"`
	Total   time.Duration `json:"total"`
	Average time.Duration `json:"average"`
	Fastest time.Duration `json:"fastest"`
	Slowest time.Duration `json:"slowest"`
	Rps     float64       `json:"rps"`

	ErrorDist      map[string]int `json:"errorDistribution"`
	StatusCodeDist map[string]int `json:"statusCodeDistribution"`

	LatencyDistribution []LatencyDistribution `json:"latencyDistribution"`
	Histogram           []Bucket              `json:"histogram"`
	Details             []ResultDetail        `json:"details"`

	Tags map[string]string `json:"tags,omitempty"`

Report holds the data for the full test

func Run

func Run(call, host string, options ...Option) (*Report, error)

Run executes the test

report, err := runner.Run(
	WithProtoFile("greeter.proto", []string{}),

ExampleRun demonstrates how to use runner package to perform a gRPC load test programmatically. We use the printer package to print the report in pretty JSON format.

package main

import (


func main() {
	report, err := runner.Run(
		runner.WithProtoFile("greeter.proto", []string{}),

	if err != nil {

	printer := printer.ReportPrinter{
		Out:    os.Stdout,
		Report: report,


func (Report) MarshalJSON

func (r Report) MarshalJSON() ([]byte, error)

MarshalJSON is custom marshal for report to properly format the date

type Reporter

type Reporter struct {
	// contains filtered or unexported fields

Reporter gathers all the results

func (*Reporter) Finalize

func (r *Reporter) Finalize(stopReason StopReason, total time.Duration) *Report

Finalize all the gathered data into a final report

func (*Reporter) Run

func (r *Reporter) Run()

Run runs the reporter

type RequestCounter

type RequestCounter interface {
	Get() uint64

RequestCounter gets the request count

type Requester

type Requester struct {
	// contains filtered or unexported fields

Requester is used for doing the requests

func NewRequester

func NewRequester(c *RunConfig) (*Requester, error)

NewRequester creates a new requestor from the passed RunConfig

func (*Requester) Finish

func (b *Requester) Finish() *Report

Finish finishes the test run

func (*Requester) Run

func (b *Requester) Run() (*Report, error)

Run makes all the requests and returns a report of results It blocks until all work is done.

func (*Requester) Stop

func (b *Requester) Stop(reason StopReason)

Stop stops the test

type ResultDetail

type ResultDetail struct {
	Timestamp time.Time     `json:"timestamp"`
	Latency   time.Duration `json:"latency"`
	Error     string        `json:"error"`
	Status    string        `json:"status"`

ResultDetail data for each result

type RunConfig

type RunConfig struct {
	// contains filtered or unexported fields

RunConfig represents the request Configs

func NewConfig

func NewConfig(call, host string, options ...Option) (*RunConfig, error)

NewConfig creates a new RunConfig from the options passed

type StopReason

type StopReason string

StopReason is a reason why the run ended

func ReasonFromString

func ReasonFromString(str string) StopReason

ReasonFromString creates a Status from a string

func (StopReason) MarshalJSON

func (s StopReason) MarshalJSON() ([]byte, error)

MarshalJSON formats a Threshold value into a JSON string

func (StopReason) String

func (s StopReason) String() string

String() is the string representation of threshold

func (*StopReason) UnmarshalJSON

func (s *StopReason) UnmarshalJSON(b []byte) error

UnmarshalJSON prases a Threshold value from JSON string

type StreamMessageProviderFunc

type StreamMessageProviderFunc func(*CallData) (*dynamic.Message, error)

StreamMessageProviderFunc is the interface for providing a message for every message send in the course of a streaming call

type StreamRecvMsgInterceptFunc

type StreamRecvMsgInterceptFunc func(*dynamic.Message, error) error

StreamRecvMsgInterceptFunc is an interface for function invoked when we receive a stream message Clients can return ErrEndStream to end the call early

type TickValue

type TickValue struct {
	// contains filtered or unexported fields

TickValue is the tick value

type Worker

type Worker struct {
	// contains filtered or unexported fields

Worker is used for doing a single stream of requests in parallel

func (*Worker) Stop

func (w *Worker) Stop()

Stop stops the worker. It has to be started with Run() again.

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