From 7961599b2e41c71720a42b3bfde641f7529f05fe Mon Sep 17 00:00:00 2001 From: Corey Hulen Date: Tue, 22 Nov 2016 11:05:54 -0800 Subject: PLT-4357 adding performance monitoring (#4622) * WIP * WIP * Adding metrics collection * updating vendor packages * Adding metrics to config * Adding admin console page for perf monitoring * Updating glide * switching to tylerb/graceful --- .../internal/bitbucket.org/ww/goautoneg/README.txt | 67 +++++++++ .../internal/bitbucket.org/ww/goautoneg/autoneg.go | 162 +++++++++++++++++++++ .../bitbucket.org/ww/goautoneg/autoneg_test.go | 33 +++++ 3 files changed, 262 insertions(+) create mode 100644 vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt create mode 100644 vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go create mode 100644 vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg_test.go (limited to 'vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg') diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt new file mode 100644 index 000000000..7723656d5 --- /dev/null +++ b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt @@ -0,0 +1,67 @@ +PACKAGE + +package goautoneg +import "bitbucket.org/ww/goautoneg" + +HTTP Content-Type Autonegotiation. + +The functions in this package implement the behaviour specified in +http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html + +Copyright (c) 2011, Open Knowledge Foundation Ltd. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + Neither the name of the Open Knowledge Foundation Ltd. nor the + names of its contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +FUNCTIONS + +func Negotiate(header string, alternatives []string) (content_type string) +Negotiate the most appropriate content_type given the accept header +and a list of alternatives. + +func ParseAccept(header string) (accept []Accept) +Parse an Accept Header string returning a sorted list +of clauses + + +TYPES + +type Accept struct { + Type, SubType string + Q float32 + Params map[string]string +} +Structure to represent a clause in an HTTP Accept Header + + +SUBDIRECTORIES + + .hg diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go new file mode 100644 index 000000000..648b38cb6 --- /dev/null +++ b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go @@ -0,0 +1,162 @@ +/* +HTTP Content-Type Autonegotiation. + +The functions in this package implement the behaviour specified in +http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html + +Copyright (c) 2011, Open Knowledge Foundation Ltd. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + Neither the name of the Open Knowledge Foundation Ltd. nor the + names of its contributors may be used to endorse or promote + products derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +*/ +package goautoneg + +import ( + "sort" + "strconv" + "strings" +) + +// Structure to represent a clause in an HTTP Accept Header +type Accept struct { + Type, SubType string + Q float64 + Params map[string]string +} + +// For internal use, so that we can use the sort interface +type accept_slice []Accept + +func (accept accept_slice) Len() int { + slice := []Accept(accept) + return len(slice) +} + +func (accept accept_slice) Less(i, j int) bool { + slice := []Accept(accept) + ai, aj := slice[i], slice[j] + if ai.Q > aj.Q { + return true + } + if ai.Type != "*" && aj.Type == "*" { + return true + } + if ai.SubType != "*" && aj.SubType == "*" { + return true + } + return false +} + +func (accept accept_slice) Swap(i, j int) { + slice := []Accept(accept) + slice[i], slice[j] = slice[j], slice[i] +} + +// Parse an Accept Header string returning a sorted list +// of clauses +func ParseAccept(header string) (accept []Accept) { + parts := strings.Split(header, ",") + accept = make([]Accept, 0, len(parts)) + for _, part := range parts { + part := strings.Trim(part, " ") + + a := Accept{} + a.Params = make(map[string]string) + a.Q = 1.0 + + mrp := strings.Split(part, ";") + + media_range := mrp[0] + sp := strings.Split(media_range, "/") + a.Type = strings.Trim(sp[0], " ") + + switch { + case len(sp) == 1 && a.Type == "*": + a.SubType = "*" + case len(sp) == 2: + a.SubType = strings.Trim(sp[1], " ") + default: + continue + } + + if len(mrp) == 1 { + accept = append(accept, a) + continue + } + + for _, param := range mrp[1:] { + sp := strings.SplitN(param, "=", 2) + if len(sp) != 2 { + continue + } + token := strings.Trim(sp[0], " ") + if token == "q" { + a.Q, _ = strconv.ParseFloat(sp[1], 32) + } else { + a.Params[token] = strings.Trim(sp[1], " ") + } + } + + accept = append(accept, a) + } + + slice := accept_slice(accept) + sort.Sort(slice) + + return +} + +// Negotiate the most appropriate content_type given the accept header +// and a list of alternatives. +func Negotiate(header string, alternatives []string) (content_type string) { + asp := make([][]string, 0, len(alternatives)) + for _, ctype := range alternatives { + asp = append(asp, strings.SplitN(ctype, "/", 2)) + } + for _, clause := range ParseAccept(header) { + for i, ctsp := range asp { + if clause.Type == ctsp[0] && clause.SubType == ctsp[1] { + content_type = alternatives[i] + return + } + if clause.Type == ctsp[0] && clause.SubType == "*" { + content_type = alternatives[i] + return + } + if clause.Type == "*" && clause.SubType == "*" { + content_type = alternatives[i] + return + } + } + } + return +} diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg_test.go b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg_test.go new file mode 100644 index 000000000..41d328f1d --- /dev/null +++ b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg_test.go @@ -0,0 +1,33 @@ +package goautoneg + +import ( + "testing" +) + +var chrome = "application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5" + +func TestParseAccept(t *testing.T) { + alternatives := []string{"text/html", "image/png"} + content_type := Negotiate(chrome, alternatives) + if content_type != "image/png" { + t.Errorf("got %s expected image/png", content_type) + } + + alternatives = []string{"text/html", "text/plain", "text/n3"} + content_type = Negotiate(chrome, alternatives) + if content_type != "text/html" { + t.Errorf("got %s expected text/html", content_type) + } + + alternatives = []string{"text/n3", "text/plain"} + content_type = Negotiate(chrome, alternatives) + if content_type != "text/plain" { + t.Errorf("got %s expected text/plain", content_type) + } + + alternatives = []string{"text/n3", "application/rdf+xml"} + content_type = Negotiate(chrome, alternatives) + if content_type != "text/n3" { + t.Errorf("got %s expected text/n3", content_type) + } +} -- cgit v1.2.3-1-g7c22