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package s3api
import ( "github.com/chrislusf/seaweedfs/weed/pb/s3_pb" "github.com/chrislusf/seaweedfs/weed/s3api/s3_constants" "github.com/chrislusf/seaweedfs/weed/s3api/s3err" "net/http" "sync" "sync/atomic" "testing" )
type TestLimitCase struct { actionName string
limitType string bucketLimitValue int64 globalLimitValue int64
routineCount int successCount int64 }
var ( bucket = "/test" action = s3_constants.ACTION_WRITE fileSize int64 = 200
TestLimitCases = []*TestLimitCase{
//bucket-LimitTypeCount
{action, s3_constants.LimitTypeCount, 5, 6, 60, 5}, {action, s3_constants.LimitTypeCount, 0, 6, 6, 0},
//global-LimitTypeCount
{action, s3_constants.LimitTypeCount, 6, 5, 6, 5}, {action, s3_constants.LimitTypeCount, 6, 0, 6, 0},
//bucket-LimitTypeBytes
{action, s3_constants.LimitTypeBytes, 1000, 1020, 6, 5}, {action, s3_constants.LimitTypeBytes, 0, 1020, 6, 0},
//global-LimitTypeBytes
{action, s3_constants.LimitTypeBytes, 1020, 1000, 6, 5}, {action, s3_constants.LimitTypeBytes, 1020, 0, 6, 0}, } )
func TestLimit(t *testing.T) { for _, tc := range TestLimitCases { circuitBreakerConfig := &s3_pb.S3CircuitBreakerConfig{ Global: &s3_pb.S3CircuitBreakerOptions{ Enabled: true, Actions: map[string]int64{ s3_constants.Concat(tc.actionName, tc.limitType): tc.globalLimitValue, s3_constants.Concat(tc.actionName, tc.limitType): tc.globalLimitValue, }, }, Buckets: map[string]*s3_pb.S3CircuitBreakerOptions{ bucket: { Enabled: true, Actions: map[string]int64{ s3_constants.Concat(tc.actionName, tc.limitType): tc.bucketLimitValue, }, }, }, } circuitBreaker := &CircuitBreaker{ counters: make(map[string]*int64), limitations: make(map[string]int64), } err := circuitBreaker.loadCircuitBreakerConfig(circuitBreakerConfig) if err != nil { t.Fatal(err) }
successCount := doLimit(circuitBreaker, tc.routineCount, &http.Request{ContentLength: fileSize}, tc.actionName) if successCount != tc.successCount { t.Errorf("successCount not equal, expect=%d, actual=%d, case: %v", tc.successCount, successCount, tc) } } }
func doLimit(circuitBreaker *CircuitBreaker, routineCount int, r *http.Request, action string) int64 { var successCounter int64 resultCh := make(chan []func(), routineCount) var wg sync.WaitGroup for i := 0; i < routineCount; i++ { wg.Add(1) go func() { defer wg.Done() rollbackFn, errCode := circuitBreaker.limit(r, bucket, action) if errCode == s3err.ErrNone { atomic.AddInt64(&successCounter, 1) } resultCh <- rollbackFn }() } wg.Wait() close(resultCh) for fns := range resultCh { for _, fn := range fns { fn() } } return successCounter }
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