forked from DataDog/dd-trace-go
/
option.go
66 lines (57 loc) · 1.51 KB
/
option.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-2020 Datadog, Inc.
package mgo
import (
"context"
"math"
)
type mongoConfig struct {
ctx context.Context
serviceName string
analyticsRate float64
}
func newConfig() *mongoConfig {
return &mongoConfig{
serviceName: "mongodb",
ctx: context.Background(),
// analyticsRate: globalconfig.AnalyticsRate(),
analyticsRate: math.NaN(),
}
}
// DialOption represents an option that can be passed to Dial
type DialOption func(*mongoConfig)
// WithServiceName sets the service name for a given MongoDB context.
func WithServiceName(name string) DialOption {
return func(cfg *mongoConfig) {
cfg.serviceName = name
}
}
// WithContext sets the context.
func WithContext(ctx context.Context) DialOption {
return func(cfg *mongoConfig) {
cfg.ctx = ctx
}
}
// WithAnalytics enables Trace Analytics for all started spans.
func WithAnalytics(on bool) DialOption {
return func(cfg *mongoConfig) {
if on {
cfg.analyticsRate = 1.0
} else {
cfg.analyticsRate = math.NaN()
}
}
}
// WithAnalyticsRate sets the sampling rate for Trace Analytics events
// correlated to started spans.
func WithAnalyticsRate(rate float64) DialOption {
return func(cfg *mongoConfig) {
if rate >= 0.0 && rate <= 1.0 {
cfg.analyticsRate = rate
} else {
cfg.analyticsRate = math.NaN()
}
}
}