mirror of
https://github.com/elyby/chrly.git
synced 2024-09-29 23:27:12 +05:30
Extracted strategy from batch uuids provider implementation.
Reimplemented Periodic strategy. Implemented FullBus strategy (#24). Started working on tests.
This commit is contained in:
ErickSkrauch
parent
e08bb23b3d
commit
29b6bc89b3
@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
|
||||
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
|
||||
|
||||
## [Unreleased] - xxxx-xx-xx
|
||||
### Added
|
||||
- [#24](https://github.com/elyby/chrly/issues/24): Added a new batch Mojang UUIDs provider strategy `full-bus` and
|
||||
corresponding configuration param `QUEUE_STRATEGY` with the default value `periodic`.
|
||||
|
||||
## [4.4.1] - 2020-04-24
|
||||
### Added
|
||||
|
||||
@ -97,6 +97,14 @@ docker-compose up -d app
|
||||
<td>Sentry can be used to collect app errors</td>
|
||||
<td><code>https://public:private@your.sentry.io/1</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>QUEUE_STRATEGY</td>
|
||||
<td>
|
||||
Sets the strategy for batch Mojang UUIDs provider queue. Allowed values are <code>periodic</code> and
|
||||
<code>full-bus</code> (see <a href="https://github.com/elyby/chrly/issues/24">#24</a>).
|
||||
</td>
|
||||
<td><code>periodic</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>QUEUE_LOOP_DELAY</td>
|
||||
<td>
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
package di
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"net/url"
|
||||
"time"
|
||||
@ -18,6 +19,9 @@ var mojangTextures = di.Options(
|
||||
di.Provide(newMojangTexturesProvider),
|
||||
di.Provide(newMojangTexturesUuidsProviderFactory),
|
||||
di.Provide(newMojangTexturesBatchUUIDsProvider),
|
||||
di.Provide(newMojangTexturesBatchUUIDsProviderStrategyFactory),
|
||||
di.Provide(newMojangTexturesBatchUUIDsProviderDelayedStrategy),
|
||||
di.Provide(newMojangTexturesBatchUUIDsProviderFullBusStrategy),
|
||||
di.Provide(newMojangTexturesRemoteUUIDsProvider),
|
||||
di.Provide(newMojangSignedTexturesProvider),
|
||||
di.Provide(newMojangTexturesStorageFactory),
|
||||
@ -75,7 +79,7 @@ func newMojangTexturesUuidsProviderFactory(
|
||||
|
||||
func newMojangTexturesBatchUUIDsProvider(
|
||||
container *di.Container,
|
||||
config *viper.Viper,
|
||||
strategy mojangtextures.BatchUuidsProviderStrategy,
|
||||
emitter mojangtextures.Emitter,
|
||||
) (*mojangtextures.BatchUuidsProvider, error) {
|
||||
if err := container.Provide(func(emitter es.Subscriber, config *viper.Viper) *namedHealthChecker {
|
||||
@ -106,14 +110,56 @@ func newMojangTexturesBatchUUIDsProvider(
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return mojangtextures.NewBatchUuidsProvider(context.Background(), strategy, emitter), nil
|
||||
}
|
||||
|
||||
func newMojangTexturesBatchUUIDsProviderStrategyFactory(
|
||||
container *di.Container,
|
||||
config *viper.Viper,
|
||||
) (mojangtextures.BatchUuidsProviderStrategy, error) {
|
||||
config.SetDefault("queue.strategy", "periodic")
|
||||
|
||||
strategyName := config.GetString("queue.strategy")
|
||||
switch strategyName {
|
||||
case "periodic":
|
||||
var strategy *mojangtextures.PeriodicStrategy
|
||||
err := container.Resolve(&strategy)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return strategy, nil
|
||||
case "full-bus":
|
||||
var strategy *mojangtextures.FullBusStrategy
|
||||
err := container.Resolve(&strategy)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return strategy, nil
|
||||
default:
|
||||
return nil, fmt.Errorf("unknown queue strategy \"%s\"", strategyName)
|
||||
}
|
||||
}
|
||||
|
||||
func newMojangTexturesBatchUUIDsProviderDelayedStrategy(config *viper.Viper) *mojangtextures.PeriodicStrategy {
|
||||
config.SetDefault("queue.loop_delay", 2*time.Second+500*time.Millisecond)
|
||||
config.SetDefault("queue.batch_size", 10)
|
||||
|
||||
return &mojangtextures.BatchUuidsProvider{
|
||||
Emitter: emitter,
|
||||
IterationDelay: config.GetDuration("queue.loop_delay"),
|
||||
IterationSize: config.GetInt("queue.batch_size"),
|
||||
}, nil
|
||||
return mojangtextures.NewPeriodicStrategy(
|
||||
config.GetDuration("queue.loop_delay"),
|
||||
config.GetInt("queue.batch_size"),
|
||||
)
|
||||
}
|
||||
|
||||
func newMojangTexturesBatchUUIDsProviderFullBusStrategy(config *viper.Viper) *mojangtextures.FullBusStrategy {
|
||||
config.SetDefault("queue.loop_delay", 2*time.Second+500*time.Millisecond)
|
||||
config.SetDefault("queue.batch_size", 10)
|
||||
|
||||
return mojangtextures.NewFullBusStrategy(
|
||||
config.GetDuration("queue.loop_delay"),
|
||||
config.GetInt("queue.batch_size"),
|
||||
)
|
||||
}
|
||||
|
||||
func newMojangTexturesRemoteUUIDsProvider(
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
package mojangtextures
|
||||
|
||||
import (
|
||||
"context"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
@ -9,131 +10,216 @@ import (
|
||||
)
|
||||
|
||||
type jobResult struct {
|
||||
profile *mojang.ProfileInfo
|
||||
error error
|
||||
Profile *mojang.ProfileInfo
|
||||
Error error
|
||||
}
|
||||
|
||||
type jobItem struct {
|
||||
username string
|
||||
respondChan chan *jobResult
|
||||
type job struct {
|
||||
Username string
|
||||
RespondChan chan *jobResult
|
||||
}
|
||||
|
||||
type jobsQueue struct {
|
||||
lock sync.Mutex
|
||||
items []*jobItem
|
||||
items []*job
|
||||
}
|
||||
|
||||
func (s *jobsQueue) New() *jobsQueue {
|
||||
s.items = []*jobItem{}
|
||||
return s
|
||||
}
|
||||
|
||||
func (s *jobsQueue) Enqueue(t *jobItem) {
|
||||
s.lock.Lock()
|
||||
defer s.lock.Unlock()
|
||||
|
||||
s.items = append(s.items, t)
|
||||
}
|
||||
|
||||
func (s *jobsQueue) Dequeue(n int) []*jobItem {
|
||||
s.lock.Lock()
|
||||
defer s.lock.Unlock()
|
||||
|
||||
if n > s.size() {
|
||||
n = s.size()
|
||||
func newJobsQueue() *jobsQueue {
|
||||
return &jobsQueue{
|
||||
items: []*job{},
|
||||
}
|
||||
|
||||
items := s.items[0:n]
|
||||
s.items = s.items[n:len(s.items)]
|
||||
|
||||
return items
|
||||
}
|
||||
|
||||
func (s *jobsQueue) Size() int {
|
||||
func (s *jobsQueue) Enqueue(job *job) int {
|
||||
s.lock.Lock()
|
||||
defer s.lock.Unlock()
|
||||
|
||||
return s.size()
|
||||
}
|
||||
s.items = append(s.items, job)
|
||||
|
||||
func (s *jobsQueue) size() int {
|
||||
return len(s.items)
|
||||
}
|
||||
|
||||
func (s *jobsQueue) Dequeue(n int) ([]*job, int) {
|
||||
s.lock.Lock()
|
||||
defer s.lock.Unlock()
|
||||
|
||||
l := len(s.items)
|
||||
if n > l {
|
||||
n = l
|
||||
}
|
||||
|
||||
items := s.items[0:n]
|
||||
s.items = s.items[n:l]
|
||||
|
||||
return items, l - n
|
||||
}
|
||||
|
||||
var usernamesToUuids = mojang.UsernamesToUuids
|
||||
var forever = func() bool {
|
||||
return true
|
||||
|
||||
type JobsIteration struct {
|
||||
Jobs []*job
|
||||
Queue int
|
||||
}
|
||||
|
||||
type BatchUuidsProviderStrategy interface {
|
||||
Queue(job *job)
|
||||
GetJobs(abort context.Context) <-chan *JobsIteration
|
||||
}
|
||||
|
||||
type PeriodicStrategy struct {
|
||||
Delay time.Duration
|
||||
Batch int
|
||||
queue *jobsQueue
|
||||
}
|
||||
|
||||
func NewPeriodicStrategy(delay time.Duration, batch int) *PeriodicStrategy {
|
||||
return &PeriodicStrategy{
|
||||
Delay: delay,
|
||||
Batch: batch,
|
||||
queue: newJobsQueue(),
|
||||
}
|
||||
}
|
||||
|
||||
func (ctx *PeriodicStrategy) Queue(job *job) {
|
||||
ctx.queue.Enqueue(job)
|
||||
}
|
||||
|
||||
func (ctx *PeriodicStrategy) GetJobs(abort context.Context) <-chan *JobsIteration {
|
||||
ch := make(chan *JobsIteration)
|
||||
go func() {
|
||||
for {
|
||||
select {
|
||||
case <-abort.Done():
|
||||
return
|
||||
case <-time.After(ctx.Delay):
|
||||
jobs, queueLen := ctx.queue.Dequeue(ctx.Batch)
|
||||
ch <- &JobsIteration{jobs, queueLen}
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
return ch
|
||||
}
|
||||
|
||||
type FullBusStrategy struct {
|
||||
Delay time.Duration
|
||||
Batch int
|
||||
queue *jobsQueue
|
||||
ready chan bool
|
||||
}
|
||||
|
||||
func NewFullBusStrategy(delay time.Duration, batch int) *FullBusStrategy {
|
||||
return &FullBusStrategy{
|
||||
Delay: delay,
|
||||
Batch: batch,
|
||||
queue: newJobsQueue(),
|
||||
ready: make(chan bool),
|
||||
}
|
||||
}
|
||||
|
||||
func (ctx *FullBusStrategy) Queue(job *job) {
|
||||
n := ctx.queue.Enqueue(job)
|
||||
if n == ctx.Batch {
|
||||
ctx.ready <- true
|
||||
}
|
||||
}
|
||||
|
||||
func (ctx *FullBusStrategy) GetJobs(abort context.Context) <-chan *JobsIteration {
|
||||
ch := make(chan *JobsIteration)
|
||||
go func() {
|
||||
for {
|
||||
t := time.NewTimer(ctx.Delay)
|
||||
select {
|
||||
case <-abort.Done():
|
||||
return
|
||||
case <-t.C:
|
||||
ctx.sendJobs(ch)
|
||||
case <-ctx.ready:
|
||||
t.Stop()
|
||||
ctx.sendJobs(ch)
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
return ch
|
||||
}
|
||||
|
||||
func (ctx *FullBusStrategy) sendJobs(ch chan *JobsIteration) {
|
||||
jobs, queueLen := ctx.queue.Dequeue(ctx.Batch)
|
||||
ch <- &JobsIteration{jobs, queueLen} // TODO: should not wait for iteration result
|
||||
}
|
||||
|
||||
type BatchUuidsProvider struct {
|
||||
Emitter
|
||||
|
||||
IterationDelay time.Duration
|
||||
IterationSize int
|
||||
|
||||
context context.Context
|
||||
emitter Emitter
|
||||
strategy BatchUuidsProviderStrategy
|
||||
onFirstCall sync.Once
|
||||
queue jobsQueue
|
||||
}
|
||||
|
||||
func NewBatchUuidsProvider(context context.Context, strategy BatchUuidsProviderStrategy, emitter Emitter) *BatchUuidsProvider {
|
||||
return &BatchUuidsProvider{
|
||||
context: context,
|
||||
emitter: emitter,
|
||||
strategy: strategy,
|
||||
}
|
||||
}
|
||||
|
||||
func (ctx *BatchUuidsProvider) GetUuid(username string) (*mojang.ProfileInfo, error) {
|
||||
ctx.onFirstCall.Do(func() {
|
||||
ctx.queue.New()
|
||||
ctx.startQueue()
|
||||
})
|
||||
ctx.onFirstCall.Do(ctx.startQueue)
|
||||
|
||||
resultChan := make(chan *jobResult)
|
||||
ctx.queue.Enqueue(&jobItem{username, resultChan})
|
||||
ctx.Emit("mojang_textures:batch_uuids_provider:queued", username)
|
||||
ctx.strategy.Queue(&job{username, resultChan})
|
||||
ctx.emitter.Emit("mojang_textures:batch_uuids_provider:queued", username)
|
||||
|
||||
result := <-resultChan
|
||||
|
||||
return result.profile, result.error
|
||||
return result.Profile, result.Error
|
||||
}
|
||||
|
||||
func (ctx *BatchUuidsProvider) startQueue() {
|
||||
go func() {
|
||||
time.Sleep(ctx.IterationDelay)
|
||||
for forever() {
|
||||
ctx.Emit("mojang_textures:batch_uuids_provider:before_round")
|
||||
ctx.queueRound()
|
||||
ctx.Emit("mojang_textures:batch_uuids_provider:after_round")
|
||||
time.Sleep(ctx.IterationDelay)
|
||||
jobsChan := ctx.strategy.GetJobs(ctx.context)
|
||||
for {
|
||||
select {
|
||||
case <-ctx.context.Done():
|
||||
return
|
||||
case iteration := <-jobsChan:
|
||||
ctx.emitter.Emit("mojang_textures:batch_uuids_provider:before_round") // TODO: where should I move this events?
|
||||
ctx.performRequest(iteration)
|
||||
ctx.emitter.Emit("mojang_textures:batch_uuids_provider:after_round")
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
func (ctx *BatchUuidsProvider) queueRound() {
|
||||
queueSize := ctx.queue.Size()
|
||||
jobs := ctx.queue.Dequeue(ctx.IterationSize)
|
||||
|
||||
var usernames []string
|
||||
for _, job := range jobs {
|
||||
usernames = append(usernames, job.username)
|
||||
func (ctx *BatchUuidsProvider) performRequest(iteration *JobsIteration) {
|
||||
usernames := make([]string, len(iteration.Jobs))
|
||||
for i, job := range iteration.Jobs {
|
||||
usernames[i] = job.Username
|
||||
}
|
||||
|
||||
ctx.Emit("mojang_textures:batch_uuids_provider:round", usernames, queueSize-len(jobs))
|
||||
ctx.emitter.Emit("mojang_textures:batch_uuids_provider:round", usernames, iteration.Queue)
|
||||
if len(usernames) == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
profiles, err := usernamesToUuids(usernames)
|
||||
ctx.Emit("mojang_textures:batch_uuids_provider:result", usernames, profiles, err)
|
||||
for _, job := range jobs {
|
||||
go func(job *jobItem) {
|
||||
response := &jobResult{}
|
||||
if err != nil {
|
||||
response.error = err
|
||||
} else {
|
||||
// The profiles in the response aren't ordered, so we must search each username over full array
|
||||
for _, profile := range profiles {
|
||||
if strings.EqualFold(job.username, profile.Name) {
|
||||
response.profile = profile
|
||||
break
|
||||
}
|
||||
ctx.emitter.Emit("mojang_textures:batch_uuids_provider:result", usernames, profiles, err)
|
||||
for _, job := range iteration.Jobs {
|
||||
response := &jobResult{}
|
||||
if err == nil {
|
||||
// The profiles in the response aren't ordered, so we must search each username over full array
|
||||
for _, profile := range profiles {
|
||||
if strings.EqualFold(job.Username, profile.Name) {
|
||||
response.Profile = profile
|
||||
break
|
||||
}
|
||||
}
|
||||
} else {
|
||||
response.Error = err
|
||||
}
|
||||
|
||||
job.respondChan <- response
|
||||
}(job)
|
||||
job.RespondChan <- response
|
||||
close(job.RespondChan)
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,64 +1,50 @@
|
||||
package mojangtextures
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/rand"
|
||||
"encoding/base64"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
testify "github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/mock"
|
||||
"github.com/stretchr/testify/require"
|
||||
"github.com/stretchr/testify/suite"
|
||||
|
||||
"github.com/elyby/chrly/api/mojang"
|
||||
)
|
||||
|
||||
func TestJobsQueue(t *testing.T) {
|
||||
createQueue := func() *jobsQueue {
|
||||
queue := &jobsQueue{}
|
||||
queue.New()
|
||||
|
||||
return queue
|
||||
}
|
||||
|
||||
t.Run("Enqueue", func(t *testing.T) {
|
||||
assert := testify.New(t)
|
||||
|
||||
s := createQueue()
|
||||
s.Enqueue(&jobItem{username: "username1"})
|
||||
s.Enqueue(&jobItem{username: "username2"})
|
||||
s.Enqueue(&jobItem{username: "username3"})
|
||||
|
||||
assert.Equal(3, s.Size())
|
||||
s := newJobsQueue()
|
||||
require.Equal(t, 1, s.Enqueue(&job{Username: "username1"}))
|
||||
require.Equal(t, 2, s.Enqueue(&job{Username: "username2"}))
|
||||
require.Equal(t, 3, s.Enqueue(&job{Username: "username3"}))
|
||||
})
|
||||
|
||||
t.Run("Dequeue", func(t *testing.T) {
|
||||
assert := testify.New(t)
|
||||
s := newJobsQueue()
|
||||
s.Enqueue(&job{Username: "username1"})
|
||||
s.Enqueue(&job{Username: "username2"})
|
||||
s.Enqueue(&job{Username: "username3"})
|
||||
s.Enqueue(&job{Username: "username4"})
|
||||
s.Enqueue(&job{Username: "username5"})
|
||||
|
||||
s := createQueue()
|
||||
s.Enqueue(&jobItem{username: "username1"})
|
||||
s.Enqueue(&jobItem{username: "username2"})
|
||||
s.Enqueue(&jobItem{username: "username3"})
|
||||
s.Enqueue(&jobItem{username: "username4"})
|
||||
items, queueLen := s.Dequeue(2)
|
||||
require.Len(t, items, 2)
|
||||
require.Equal(t, 3, queueLen)
|
||||
require.Equal(t, "username1", items[0].Username)
|
||||
require.Equal(t, "username2", items[1].Username)
|
||||
|
||||
items := s.Dequeue(2)
|
||||
assert.Len(items, 2)
|
||||
assert.Equal("username1", items[0].username)
|
||||
assert.Equal("username2", items[1].username)
|
||||
assert.Equal(2, s.Size())
|
||||
|
||||
items = s.Dequeue(40)
|
||||
assert.Len(items, 2)
|
||||
assert.Equal("username3", items[0].username)
|
||||
assert.Equal("username4", items[1].username)
|
||||
items, queueLen = s.Dequeue(40)
|
||||
require.Len(t, items, 3)
|
||||
require.Equal(t, 0, queueLen)
|
||||
require.Equal(t, "username3", items[0].Username)
|
||||
require.Equal(t, "username4", items[1].Username)
|
||||
require.Equal(t, "username5", items[2].Username)
|
||||
})
|
||||
}
|
||||
|
||||
// This is really stupid test just to get 100% coverage on this package :)
|
||||
func TestBatchUuidsProvider_forever(t *testing.T) {
|
||||
testify.True(t, forever())
|
||||
}
|
||||
|
||||
type mojangUsernamesToUuidsRequestMock struct {
|
||||
mock.Mock
|
||||
}
|
||||
@ -73,6 +59,24 @@ func (o *mojangUsernamesToUuidsRequestMock) UsernamesToUuids(usernames []string)
|
||||
return result, args.Error(1)
|
||||
}
|
||||
|
||||
type queueStrategyMock struct {
|
||||
mock.Mock
|
||||
ch chan *JobsIteration
|
||||
}
|
||||
|
||||
func (m *queueStrategyMock) Queue(job *job) {
|
||||
m.Called(job)
|
||||
}
|
||||
|
||||
func (m *queueStrategyMock) GetJobs(abort context.Context) <-chan *JobsIteration {
|
||||
m.Called(abort)
|
||||
return m.ch
|
||||
}
|
||||
|
||||
func (m *queueStrategyMock) PushIteration(iteration *JobsIteration) {
|
||||
m.ch <- iteration
|
||||
}
|
||||
|
||||
type batchUuidsProviderGetUuidResult struct {
|
||||
Result *mojang.ProfileInfo
|
||||
Error error
|
||||
@ -86,25 +90,21 @@ type batchUuidsProviderTestSuite struct {
|
||||
|
||||
Emitter *mockEmitter
|
||||
MojangApi *mojangUsernamesToUuidsRequestMock
|
||||
|
||||
Iterate func()
|
||||
done func()
|
||||
iterateChan chan bool
|
||||
}
|
||||
|
||||
func (suite *batchUuidsProviderTestSuite) SetupTest() {
|
||||
suite.Emitter = &mockEmitter{}
|
||||
|
||||
suite.Provider = &BatchUuidsProvider{
|
||||
Emitter: suite.Emitter,
|
||||
IterationDelay: 0,
|
||||
IterationSize: 10,
|
||||
// Emitter: suite.Emitter,
|
||||
// IterationDelay: 0,
|
||||
// IterationSize: 10,
|
||||
}
|
||||
|
||||
suite.iterateChan = make(chan bool)
|
||||
forever = func() bool {
|
||||
return <-suite.iterateChan
|
||||
}
|
||||
// forever = func() bool {
|
||||
// return <-suite.iterateChan
|
||||
// }
|
||||
|
||||
suite.Iterate = func() {
|
||||
suite.iterateChan <- true
|
||||
|
||||
Loading…
Reference in New Issue
Block a user