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package cleanhttp
import (
"net"
"net/http"
"runtime"
"time"
)
// DefaultTransport returns a new http.Transport with similar default values to
// http.DefaultTransport, but with idle connections and keepalives disabled.
func DefaultTransport() *http.Transport {
transport := DefaultPooledTransport()
transport.DisableKeepAlives = true
transport.MaxIdleConnsPerHost = -1
return transport
}
// DefaultPooledTransport returns a new http.Transport with similar default
// values to http.DefaultTransport. Do not use this for transient transports as
// it can leak file descriptors over time. Only use this for transports that
// will be re-used for the same host(s).
func DefaultPooledTransport() *http.Transport {
transport := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}).DialContext,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
MaxIdleConnsPerHost: runtime.GOMAXPROCS(0) + 1,
}
return transport
}
// DefaultClient returns a new http.Client with similar default values to
// http.Client, but with a non-shared Transport, idle connections disabled, and
// keepalives disabled.
func DefaultClient() *http.Client {
return &http.Client{
Transport: DefaultTransport(),
}
}
// DefaultPooledClient returns a new http.Client with similar default values to
// http.Client, but with a shared Transport. Do not use this function for
// transient clients as it can leak file descriptors over time. Only use this
// for clients that will be re-used for the same host(s).
func DefaultPooledClient() *http.Client {
return &http.Client{
Transport: DefaultPooledTransport(),
}
}