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author | Sebastian Jug <sejug@redhat.com> | 2018-10-16 16:30:53 -0400 |
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committer | Sebastian Jug <seb@stianj.ug> | 2019-02-18 09:57:08 -0500 |
commit | 7141f972700ed454438d8539dd0bec79c0b61cf4 (patch) | |
tree | bfa2e524b71757a514a02ef68661b46dca9a3dfe /vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go | |
parent | e738ef16225395f5f5e4b93ba1a43ae9449ae11b (diff) | |
download | podman-7141f972700ed454438d8539dd0bec79c0b61cf4.tar.gz podman-7141f972700ed454438d8539dd0bec79c0b61cf4.tar.bz2 podman-7141f972700ed454438d8539dd0bec79c0b61cf4.zip |
OpenTracing support added to start, stop, run, create, pull, and ps
Drop context.Context field from cli.Context
Signed-off-by: Sebastian Jug <sejug@redhat.com>
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go')
-rw-r--r-- | vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go new file mode 100644 index 000000000..148d84b3a --- /dev/null +++ b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go @@ -0,0 +1,101 @@ +// 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 + +// NameNormalizer is used to convert the endpoint names to strings +// that can be safely used as tags in the metrics. +type NameNormalizer interface { + Normalize(name string) string +} + +// DefaultNameNormalizer converts endpoint names so that they contain only characters +// from the safe charset [a-zA-Z0-9-./_]. All other characters are replaced with '-'. +var DefaultNameNormalizer = &SimpleNameNormalizer{ + SafeSets: []SafeCharacterSet{ + &Range{From: 'a', To: 'z'}, + &Range{From: 'A', To: 'Z'}, + &Range{From: '0', To: '9'}, + &Char{'-'}, + &Char{'_'}, + &Char{'/'}, + &Char{'.'}, + }, + Replacement: '-', +} + +// SimpleNameNormalizer uses a set of safe character sets. +type SimpleNameNormalizer struct { + SafeSets []SafeCharacterSet + Replacement byte +} + +// SafeCharacterSet determines if the given character is "safe" +type SafeCharacterSet interface { + IsSafe(c byte) bool +} + +// Range implements SafeCharacterSet +type Range struct { + From, To byte +} + +// IsSafe implements SafeCharacterSet +func (r *Range) IsSafe(c byte) bool { + return c >= r.From && c <= r.To +} + +// Char implements SafeCharacterSet +type Char struct { + Val byte +} + +// IsSafe implements SafeCharacterSet +func (ch *Char) IsSafe(c byte) bool { + return c == ch.Val +} + +// Normalize checks each character in the string against SafeSets, +// and if it's not safe substitutes it with Replacement. +func (n *SimpleNameNormalizer) Normalize(name string) string { + var retMe []byte + nameBytes := []byte(name) + for i, b := range nameBytes { + if n.safeByte(b) { + if retMe != nil { + retMe[i] = b + } + } else { + if retMe == nil { + retMe = make([]byte, len(nameBytes)) + copy(retMe[0:i], nameBytes[0:i]) + } + retMe[i] = n.Replacement + } + } + if retMe == nil { + return name + } + return string(retMe) +} + +// safeByte checks if b against all safe charsets. +func (n *SimpleNameNormalizer) safeByte(b byte) bool { + for i := range n.SafeSets { + if n.SafeSets[i].IsSafe(b) { + return true + } + } + return false +} |