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author | bojie <bojie@dexon.org> | 2018-12-28 13:15:06 +0800 |
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committer | Wei-Ning Huang <w@byzantine-lab.io> | 2019-06-12 17:27:20 +0800 |
commit | 3d46f69a10a60324ee6af0c96d064cc73ed5c37d (patch) | |
tree | ae9dd76f3f9a69c0acb18f6b0343601558d2e00f /vendor/go.opencensus.io/plugin/ochttp/span_annotating_client_trace.go | |
parent | 2426b985ae9773afe12f5a9f982cf4f2629f81a3 (diff) | |
download | go-tangerine-3d46f69a10a60324ee6af0c96d064cc73ed5c37d.tar.gz go-tangerine-3d46f69a10a60324ee6af0c96d064cc73ed5c37d.tar.zst go-tangerine-3d46f69a10a60324ee6af0c96d064cc73ed5c37d.zip |
app: use gcp storage instead of azure for builds (#81)
* vendor: add dependencies for using GCP storage
* app: use gcp storage instead of azure for builds
Diffstat (limited to 'vendor/go.opencensus.io/plugin/ochttp/span_annotating_client_trace.go')
-rw-r--r-- | vendor/go.opencensus.io/plugin/ochttp/span_annotating_client_trace.go | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/vendor/go.opencensus.io/plugin/ochttp/span_annotating_client_trace.go b/vendor/go.opencensus.io/plugin/ochttp/span_annotating_client_trace.go new file mode 100644 index 000000000..05c6c56cc --- /dev/null +++ b/vendor/go.opencensus.io/plugin/ochttp/span_annotating_client_trace.go @@ -0,0 +1,169 @@ +// 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 ( + "crypto/tls" + "net/http" + "net/http/httptrace" + "strings" + + "go.opencensus.io/trace" +) + +type spanAnnotator struct { + sp *trace.Span +} + +// TODO: Remove NewSpanAnnotator at the next release. + +// NewSpanAnnotator returns a httptrace.ClientTrace which annotates +// all emitted httptrace events on the provided Span. +// Deprecated: Use NewSpanAnnotatingClientTrace instead +func NewSpanAnnotator(r *http.Request, s *trace.Span) *httptrace.ClientTrace { + return NewSpanAnnotatingClientTrace(r, s) +} + +// NewSpanAnnotatingClientTrace returns a httptrace.ClientTrace which annotates +// all emitted httptrace events on the provided Span. +func NewSpanAnnotatingClientTrace(_ *http.Request, s *trace.Span) *httptrace.ClientTrace { + sa := spanAnnotator{sp: s} + + return &httptrace.ClientTrace{ + GetConn: sa.getConn, + GotConn: sa.gotConn, + PutIdleConn: sa.putIdleConn, + GotFirstResponseByte: sa.gotFirstResponseByte, + Got100Continue: sa.got100Continue, + DNSStart: sa.dnsStart, + DNSDone: sa.dnsDone, + ConnectStart: sa.connectStart, + ConnectDone: sa.connectDone, + TLSHandshakeStart: sa.tlsHandshakeStart, + TLSHandshakeDone: sa.tlsHandshakeDone, + WroteHeaders: sa.wroteHeaders, + Wait100Continue: sa.wait100Continue, + WroteRequest: sa.wroteRequest, + } +} + +func (s spanAnnotator) getConn(hostPort string) { + attrs := []trace.Attribute{ + trace.StringAttribute("httptrace.get_connection.host_port", hostPort), + } + s.sp.Annotate(attrs, "GetConn") +} + +func (s spanAnnotator) gotConn(info httptrace.GotConnInfo) { + attrs := []trace.Attribute{ + trace.BoolAttribute("httptrace.got_connection.reused", info.Reused), + trace.BoolAttribute("httptrace.got_connection.was_idle", info.WasIdle), + } + if info.WasIdle { + attrs = append(attrs, + trace.StringAttribute("httptrace.got_connection.idle_time", info.IdleTime.String())) + } + s.sp.Annotate(attrs, "GotConn") +} + +// PutIdleConn implements a httptrace.ClientTrace hook +func (s spanAnnotator) putIdleConn(err error) { + var attrs []trace.Attribute + if err != nil { + attrs = append(attrs, + trace.StringAttribute("httptrace.put_idle_connection.error", err.Error())) + } + s.sp.Annotate(attrs, "PutIdleConn") +} + +func (s spanAnnotator) gotFirstResponseByte() { + s.sp.Annotate(nil, "GotFirstResponseByte") +} + +func (s spanAnnotator) got100Continue() { + s.sp.Annotate(nil, "Got100Continue") +} + +func (s spanAnnotator) dnsStart(info httptrace.DNSStartInfo) { + attrs := []trace.Attribute{ + trace.StringAttribute("httptrace.dns_start.host", info.Host), + } + s.sp.Annotate(attrs, "DNSStart") +} + +func (s spanAnnotator) dnsDone(info httptrace.DNSDoneInfo) { + var addrs []string + for _, addr := range info.Addrs { + addrs = append(addrs, addr.String()) + } + attrs := []trace.Attribute{ + trace.StringAttribute("httptrace.dns_done.addrs", strings.Join(addrs, " , ")), + } + if info.Err != nil { + attrs = append(attrs, + trace.StringAttribute("httptrace.dns_done.error", info.Err.Error())) + } + s.sp.Annotate(attrs, "DNSDone") +} + +func (s spanAnnotator) connectStart(network, addr string) { + attrs := []trace.Attribute{ + trace.StringAttribute("httptrace.connect_start.network", network), + trace.StringAttribute("httptrace.connect_start.addr", addr), + } + s.sp.Annotate(attrs, "ConnectStart") +} + +func (s spanAnnotator) connectDone(network, addr string, err error) { + attrs := []trace.Attribute{ + trace.StringAttribute("httptrace.connect_done.network", network), + trace.StringAttribute("httptrace.connect_done.addr", addr), + } + if err != nil { + attrs = append(attrs, + trace.StringAttribute("httptrace.connect_done.error", err.Error())) + } + s.sp.Annotate(attrs, "ConnectDone") +} + +func (s spanAnnotator) tlsHandshakeStart() { + s.sp.Annotate(nil, "TLSHandshakeStart") +} + +func (s spanAnnotator) tlsHandshakeDone(_ tls.ConnectionState, err error) { + var attrs []trace.Attribute + if err != nil { + attrs = append(attrs, + trace.StringAttribute("httptrace.tls_handshake_done.error", err.Error())) + } + s.sp.Annotate(attrs, "TLSHandshakeDone") +} + +func (s spanAnnotator) wroteHeaders() { + s.sp.Annotate(nil, "WroteHeaders") +} + +func (s spanAnnotator) wait100Continue() { + s.sp.Annotate(nil, "Wait100Continue") +} + +func (s spanAnnotator) wroteRequest(info httptrace.WroteRequestInfo) { + var attrs []trace.Attribute + if info.Err != nil { + attrs = append(attrs, + trace.StringAttribute("httptrace.wrote_request.error", info.Err.Error())) + } + s.sp.Annotate(attrs, "WroteRequest") +} |