diff options
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go deleted file mode 100644 index 30555243d..000000000 --- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go +++ /dev/null @@ -1,63 +0,0 @@ -// Copyright (c) 2017 Uber Technologies, Inc. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package rpcmetrics - -import "sync" - -// normalizedEndpoints is a cache for endpointName -> safeName mappings. -type normalizedEndpoints struct { - names map[string]string - maxSize int - defaultName string - normalizer NameNormalizer - mux sync.RWMutex -} - -func newNormalizedEndpoints(maxSize int, normalizer NameNormalizer) *normalizedEndpoints { - return &normalizedEndpoints{ - maxSize: maxSize, - normalizer: normalizer, - names: make(map[string]string, maxSize), - } -} - -// normalize looks up the name in the cache, if not found it uses normalizer -// to convert the name to a safe name. If called with more than maxSize unique -// names it returns "" for all other names beyond those already cached. -func (n *normalizedEndpoints) normalize(name string) string { - n.mux.RLock() - norm, ok := n.names[name] - l := len(n.names) - n.mux.RUnlock() - if ok { - return norm - } - if l >= n.maxSize { - return "" - } - return n.normalizeWithLock(name) -} - -func (n *normalizedEndpoints) normalizeWithLock(name string) string { - norm := n.normalizer.Normalize(name) - n.mux.Lock() - defer n.mux.Unlock() - // cache may have grown while we were not holding the lock - if len(n.names) >= n.maxSize { - return "" - } - n.names[name] = norm - return norm -} |