From de6d2c524430287c699aaa898c1325da6afea539 Mon Sep 17 00:00:00 2001 From: Niall Sheridan Date: Wed, 20 Jun 2018 22:39:07 +0100 Subject: Update dependencies --- vendor/go.opencensus.io/plugin/ochttp/stats.go | 173 +++++++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 vendor/go.opencensus.io/plugin/ochttp/stats.go (limited to 'vendor/go.opencensus.io/plugin/ochttp/stats.go') diff --git a/vendor/go.opencensus.io/plugin/ochttp/stats.go b/vendor/go.opencensus.io/plugin/ochttp/stats.go new file mode 100644 index 0000000..2bd11f6 --- /dev/null +++ b/vendor/go.opencensus.io/plugin/ochttp/stats.go @@ -0,0 +1,173 @@ +// Copyright 2018, OpenCensus Authors +// +// 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 ochttp + +import ( + "go.opencensus.io/stats" + "go.opencensus.io/stats/view" + "go.opencensus.io/tag" +) + +// The following client HTTP measures are supported for use in custom views. +var ( + ClientRequestCount = stats.Int64("opencensus.io/http/client/request_count", "Number of HTTP requests started", stats.UnitDimensionless) + ClientRequestBytes = stats.Int64("opencensus.io/http/client/request_bytes", "HTTP request body size if set as ContentLength (uncompressed)", stats.UnitBytes) + ClientResponseBytes = stats.Int64("opencensus.io/http/client/response_bytes", "HTTP response body size (uncompressed)", stats.UnitBytes) + ClientLatency = stats.Float64("opencensus.io/http/client/latency", "End-to-end latency", stats.UnitMilliseconds) +) + +// The following server HTTP measures are supported for use in custom views: +var ( + ServerRequestCount = stats.Int64("opencensus.io/http/server/request_count", "Number of HTTP requests started", stats.UnitDimensionless) + ServerRequestBytes = stats.Int64("opencensus.io/http/server/request_bytes", "HTTP request body size if set as ContentLength (uncompressed)", stats.UnitBytes) + ServerResponseBytes = stats.Int64("opencensus.io/http/server/response_bytes", "HTTP response body size (uncompressed)", stats.UnitBytes) + ServerLatency = stats.Float64("opencensus.io/http/server/latency", "End-to-end latency", stats.UnitMilliseconds) +) + +// The following tags are applied to stats recorded by this package. Host, Path +// and Method are applied to all measures. StatusCode is not applied to +// ClientRequestCount or ServerRequestCount, since it is recorded before the status is known. +var ( + // Host is the value of the HTTP Host header. + Host, _ = tag.NewKey("http.host") + + // StatusCode is the numeric HTTP response status code, + // or "error" if a transport error occurred and no status code was read. + StatusCode, _ = tag.NewKey("http.status") + + // Path is the URL path (not including query string) in the request. + Path, _ = tag.NewKey("http.path") + + // Method is the HTTP method of the request, capitalized (GET, POST, etc.). + Method, _ = tag.NewKey("http.method") +) + +// Default distributions used by views in this package. +var ( + DefaultSizeDistribution = view.Distribution(0, 1024, 2048, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216, 67108864, 268435456, 1073741824, 4294967296) + DefaultLatencyDistribution = view.Distribution(0, 1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 30, 40, 50, 65, 80, 100, 130, 160, 200, 250, 300, 400, 500, 650, 800, 1000, 2000, 5000, 10000, 20000, 50000, 100000) +) + +// Package ochttp provides some convenience views. +// You need to subscribe to the views for data to actually be collected. +var ( + ClientRequestCountView = &view.View{ + Name: "opencensus.io/http/client/request_count", + Description: "Count of HTTP requests started", + Measure: ClientRequestCount, + Aggregation: view.Count(), + } + + ClientRequestBytesView = &view.View{ + Name: "opencensus.io/http/client/request_bytes", + Description: "Size distribution of HTTP request body", + Measure: ClientRequestBytes, + Aggregation: DefaultSizeDistribution, + } + + ClientResponseBytesView = &view.View{ + Name: "opencensus.io/http/client/response_bytes", + Description: "Size distribution of HTTP response body", + Measure: ClientResponseBytes, + Aggregation: DefaultSizeDistribution, + } + + ClientLatencyView = &view.View{ + Name: "opencensus.io/http/client/latency", + Description: "Latency distribution of HTTP requests", + Measure: ClientLatency, + Aggregation: DefaultLatencyDistribution, + } + + ClientRequestCountByMethod = &view.View{ + Name: "opencensus.io/http/client/request_count_by_method", + Description: "Client request count by HTTP method", + TagKeys: []tag.Key{Method}, + Measure: ClientRequestCount, + Aggregation: view.Count(), + } + + ClientResponseCountByStatusCode = &view.View{ + Name: "opencensus.io/http/client/response_count_by_status_code", + Description: "Client response count by status code", + TagKeys: []tag.Key{StatusCode}, + Measure: ClientLatency, + Aggregation: view.Count(), + } + + ServerRequestCountView = &view.View{ + Name: "opencensus.io/http/server/request_count", + Description: "Count of HTTP requests started", + Measure: ServerRequestCount, + Aggregation: view.Count(), + } + + ServerRequestBytesView = &view.View{ + Name: "opencensus.io/http/server/request_bytes", + Description: "Size distribution of HTTP request body", + Measure: ServerRequestBytes, + Aggregation: DefaultSizeDistribution, + } + + ServerResponseBytesView = &view.View{ + Name: "opencensus.io/http/server/response_bytes", + Description: "Size distribution of HTTP response body", + Measure: ServerResponseBytes, + Aggregation: DefaultSizeDistribution, + } + + ServerLatencyView = &view.View{ + Name: "opencensus.io/http/server/latency", + Description: "Latency distribution of HTTP requests", + Measure: ServerLatency, + Aggregation: DefaultLatencyDistribution, + } + + ServerRequestCountByMethod = &view.View{ + Name: "opencensus.io/http/server/request_count_by_method", + Description: "Server request count by HTTP method", + TagKeys: []tag.Key{Method}, + Measure: ServerRequestCount, + Aggregation: view.Count(), + } + + ServerResponseCountByStatusCode = &view.View{ + Name: "opencensus.io/http/server/response_count_by_status_code", + Description: "Server response count by status code", + TagKeys: []tag.Key{StatusCode}, + Measure: ServerLatency, + Aggregation: view.Count(), + } +) + +// DefaultClientViews are the default client views provided by this package. +var DefaultClientViews = []*view.View{ + ClientRequestCountView, + ClientRequestBytesView, + ClientResponseBytesView, + ClientLatencyView, + ClientRequestCountByMethod, + ClientResponseCountByStatusCode, +} + +// DefaultServerViews are the default server views provided by this package. +var DefaultServerViews = []*view.View{ + ServerRequestCountView, + ServerRequestBytesView, + ServerResponseBytesView, + ServerLatencyView, + ServerRequestCountByMethod, + ServerResponseCountByStatusCode, +} -- cgit v1.2.3