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client.go
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client.go
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// Copyright (c) 2019 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package xhttp
import (
"net"
"net/http"
"time"
)
// HTTPClientOptions specify HTTP Client options.
type HTTPClientOptions struct {
RequestTimeout time.Duration `yaml:"requestTimeout"`
ConnectTimeout time.Duration `yaml:"connectTimeout"`
KeepAlive time.Duration `yaml:"keepAlive"`
IdleConnTimeout time.Duration `yaml:"idleConnTimeout"`
MaxIdleConns int `yaml:"maxIdleConns"`
DisableCompression bool `yaml:"disableCompression"`
}
// NewHTTPClient constructs a new HTTP Client.
func NewHTTPClient(o HTTPClientOptions) *http.Client {
return &http.Client{
Timeout: o.RequestTimeout,
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: o.ConnectTimeout,
KeepAlive: o.KeepAlive,
DualStack: true,
}).Dial,
TLSHandshakeTimeout: o.ConnectTimeout,
ExpectContinueTimeout: o.ConnectTimeout,
MaxIdleConns: o.MaxIdleConns,
MaxIdleConnsPerHost: o.MaxIdleConns,
DisableCompression: o.DisableCompression,
},
}
}
// DefaultHTTPClientOptions returns default options.
func DefaultHTTPClientOptions() HTTPClientOptions {
return HTTPClientOptions{
RequestTimeout: 60 * time.Second,
ConnectTimeout: 5 * time.Second,
KeepAlive: 60 * time.Second,
IdleConnTimeout: 60 * time.Second,
MaxIdleConns: 100,
// DisableCompression is true by default since we have seen
// a large amount of overhead with compression.
DisableCompression: true,
}
}