/
good_client.go
80 lines (69 loc) · 2.39 KB
/
good_client.go
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/*
* Copyright 2019 The Knative 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 kncloudevents
import (
nethttp "net/http"
cloudevents "github.com/cloudevents/sdk-go"
"github.com/cloudevents/sdk-go/pkg/cloudevents/client"
"github.com/cloudevents/sdk-go/pkg/cloudevents/transport/http"
)
// ConnectionArgs allow to configure connection parameters to the underlying
// HTTP Client transport.
type ConnectionArgs struct {
// MaxIdleConns refers to the max idle connections, as in net/http/transport.
MaxIdleConns int
// MaxIdleConnsPerHost refers to the max idle connections per host, as in net/http/transport.
MaxIdleConnsPerHost int
}
func (ca *ConnectionArgs) ConfigureTransport(transport *nethttp.Transport) {
if ca == nil {
return
}
transport.MaxIdleConns = ca.MaxIdleConns
transport.MaxIdleConnsPerHost = ca.MaxIdleConnsPerHost
}
func (ca *ConnectionArgs) NewDefaultHTTPTransport() *nethttp.Transport {
var base = nethttp.DefaultTransport.(*nethttp.Transport).Clone()
ca.ConfigureTransport(base)
return base
}
func NewDefaultClient(target ...string) (cloudevents.Client, error) {
tOpts := []http.Option{
cloudevents.WithBinaryEncoding(),
}
if len(target) > 0 && target[0] != "" {
tOpts = append(tOpts, cloudevents.WithTarget(target[0]))
}
// Make an http transport for the CloudEvents client.
t, err := cloudevents.NewHTTPTransport(tOpts...)
if err != nil {
return nil, err
}
return NewDefaultHTTPClient(t)
}
// NewDefaultHTTPClient creates a new client from an HTTP transport.
func NewDefaultHTTPClient(t *cloudevents.HTTPTransport, opts ...client.Option) (cloudevents.Client, error) {
if opts == nil {
opts = make([]client.Option, 0, 2)
}
opts = append(opts, cloudevents.WithUUIDs(), cloudevents.WithTimeNow())
// Use the transport to make a new CloudEvents client.
c, err := cloudevents.NewClient(t, opts...)
if err != nil {
return nil, err
}
return c, nil
}