restic/internal/backend/http_transport.go

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package backend
import (
"net"
"net/http"
"time"
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"github.com/restic/restic/internal/debug"
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)
// Transport returns a new http.RoundTripper with default settings applied.
func Transport() http.RoundTripper {
// copied from net/http
tr := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}).DialContext,
MaxIdleConns: 100,
MaxIdleConnsPerHost: 100,
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IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
}
// wrap in the debug round tripper
return debug.RoundTripper(tr)
}