// Code generated by ogen, DO NOT EDIT.
package api
import (
"net/http"
ht "github.com/ogen-go/ogen/http"
"github.com/ogen-go/ogen/otelogen"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/trace"
)
var (
// Allocate option closure once.
clientSpanKind = trace.WithSpanKind(trace.SpanKindClient)
)
type (
optionFunc[C any] func(*C)
otelOptionFunc func(*otelConfig)
)
type otelConfig struct {
TracerProvider trace.TracerProvider
Tracer trace.Tracer
MeterProvider metric.MeterProvider
Meter metric.Meter
Attributes []attribute.KeyValue
}
func (cfg *otelConfig) initOTEL() {
if cfg.TracerProvider == nil {
cfg.TracerProvider = otel.GetTracerProvider()
}
if cfg.MeterProvider == nil {
cfg.MeterProvider = otel.GetMeterProvider()
}
cfg.Tracer = cfg.TracerProvider.Tracer(otelogen.Name,
trace.WithInstrumentationVersion(otelogen.SemVersion()),
)
cfg.Meter = cfg.MeterProvider.Meter(otelogen.Name,
metric.WithInstrumentationVersion(otelogen.SemVersion()),
)
}
type clientConfig struct {
otelConfig
Client ht.Client
}
// ClientOption is client config option.
type ClientOption interface {
applyClient(*clientConfig)
}
var _ ClientOption = (optionFunc[clientConfig])(nil)
func (o optionFunc[C]) applyClient(c *C) {
o(c)
}
var _ ClientOption = (otelOptionFunc)(nil)
func (o otelOptionFunc) applyClient(c *clientConfig) {
o(&c.otelConfig)
}
func newClientConfig(opts ...ClientOption) clientConfig {
cfg := clientConfig{
Client: http.DefaultClient,
}
for _, opt := range opts {
opt.applyClient(&cfg)
}
cfg.initOTEL()
return cfg
}
type baseClient struct {
cfg clientConfig
requests metric.Int64Counter
errors metric.Int64Counter
duration metric.Float64Histogram
}
func (cfg clientConfig) baseClient() (c baseClient, err error) {
c = baseClient{cfg: cfg}
if c.requests, err = otelogen.ClientRequestCountCounter(c.cfg.Meter); err != nil {
return c, err
}
if c.errors, err = otelogen.ClientErrorsCountCounter(c.cfg.Meter); err != nil {
return c, err
}
if c.duration, err = otelogen.ClientDurationHistogram(c.cfg.Meter); err != nil {
return c, err
}
return c, nil
}
// Option is config option.
type Option interface {
ClientOption
}
// WithTracerProvider specifies a tracer provider to use for creating a tracer.
//
// If none is specified, the global provider is used.
func WithTracerProvider(provider trace.TracerProvider) Option {
return otelOptionFunc(func(cfg *otelConfig) {
if provider != nil {
cfg.TracerProvider = provider
}
})
}
// WithMeterProvider specifies a meter provider to use for creating a meter.
//
// If none is specified, the otel.GetMeterProvider() is used.
func WithMeterProvider(provider metric.MeterProvider) Option {
return otelOptionFunc(func(cfg *otelConfig) {
if provider != nil {
cfg.MeterProvider = provider
}
})
}
// WithAttributes specifies default otel attributes.
func WithAttributes(attributes ...attribute.KeyValue) Option {
return otelOptionFunc(func(cfg *otelConfig) {
cfg.Attributes = attributes
})
}
// WithClient specifies http client to use.
func WithClient(client ht.Client) ClientOption {
return optionFunc[clientConfig](func(cfg *clientConfig) {
if client != nil {
cfg.Client = client
}
})
}
