refactor: merge dnsx and errorsx into netxlite (#517)

When preparing a tutorial for netxlite, I figured it is easier
to tell people "hey, this is the package you should use for all
low-level networking stuff" rather than introducing people to
a set of packages working together where some piece of functionality
is here and some other piece is there.

Part of https://github.com/ooni/probe/issues/1591
This commit is contained in:
Simone Basso 2021-09-28 12:42:01 +02:00 committed by GitHub
commit 6d3a4f1db8
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169 changed files with 575 additions and 671 deletions

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@ -11,17 +11,16 @@ import (
"github.com/ooni/probe-cli/v3/internal/engine/httpheader"
"github.com/ooni/probe-cli/v3/internal/engine/netx"
"github.com/ooni/probe-cli/v3/internal/netxlite/errorsx"
"github.com/ooni/probe-cli/v3/internal/netxlite/iox"
"github.com/ooni/probe-cli/v3/internal/netxlite"
"github.com/ooni/probe-cli/v3/internal/runtimex"
)
const httpRequestFailed = "http_request_failed"
// ErrHTTPRequestFailed indicates that the HTTP request failed.
var ErrHTTPRequestFailed = &errorsx.ErrWrapper{
var ErrHTTPRequestFailed = &netxlite.ErrWrapper{
Failure: httpRequestFailed,
Operation: errorsx.TopLevelOperation,
Operation: netxlite.TopLevelOperation,
WrappedErr: errors.New(httpRequestFailed),
}
@ -92,7 +91,7 @@ func (r Runner) httpGet(ctx context.Context, url string) error {
return err
}
defer resp.Body.Close()
if _, err = iox.CopyContext(ctx, io.Discard, resp.Body); err != nil {
if _, err = netxlite.CopyContext(ctx, io.Discard, resp.Body); err != nil {
return err
}
// Implementation note: we shall check for this error once we have read the