mirror of
https://github.com/rclone/rclone.git
synced 2024-12-11 19:53:46 +08:00
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build go1.8
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package spanner
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import (
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"fmt"
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"go.opencensus.io/plugin/ocgrpc"
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"go.opencensus.io/trace"
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"golang.org/x/net/context"
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"google.golang.org/api/option"
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"google.golang.org/grpc"
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)
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func openCensusOptions() []option.ClientOption {
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return []option.ClientOption{
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option.WithGRPCDialOption(grpc.WithStatsHandler(ocgrpc.NewClientStatsHandler())),
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}
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}
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func traceStartSpan(ctx context.Context, name string) context.Context {
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ctx, _ = trace.StartSpan(ctx, name)
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return ctx
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}
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func traceEndSpan(ctx context.Context, err error) {
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span := trace.FromContext(ctx)
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if err != nil {
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// TODO(jba): Add error code to the status.
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span.SetStatus(trace.Status{Message: err.Error()})
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}
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span.End()
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}
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func tracePrintf(ctx context.Context, attrMap map[string]interface{}, format string, args ...interface{}) {
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var attrs []trace.Attribute
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for k, v := range attrMap {
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var a trace.Attribute
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switch v := v.(type) {
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case string:
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a = trace.StringAttribute{k, v}
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case bool:
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a = trace.BoolAttribute{k, v}
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case int:
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a = trace.Int64Attribute{k, int64(v)}
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case int64:
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a = trace.Int64Attribute{k, v}
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default:
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a = trace.StringAttribute{k, fmt.Sprintf("%#v", v)}
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}
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attrs = append(attrs, a)
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}
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trace.FromContext(ctx).Annotatef(attrs, format, args...)
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}
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