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[performance] Add dereference shortcuts to avoid making http calls to self (#430)

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* update transport (controller) to allow shortcuts

* go fmt

* expose underlying sig transport to allow test sigs
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tobi 2022-03-15 15:01:19 +01:00 • committed by GitHub
commit e63b653199
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7 changed files with 114 additions and 22 deletions
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19
internal/transport/dereference.go
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@ -23,10 +23,29 @@ import (
"net/url"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
func (t *transport) Dereference(ctx context.Context, iri *url.URL) ([]byte, error) {
l := logrus.WithField("func", "Dereference")
// if the request is to us, we can shortcut for certain URIs rather than going through
// the normal request flow, thereby saving time and energy
if iri.Host == viper.GetString(config.Keys.Host) {
if uris.IsFollowersPath(iri) {
// the request is for followers of one of our accounts, which we can shortcut
return t.dereferenceFollowersShortcut(ctx, iri)
}
if uris.IsUserPath(iri) {
// the request is for one of our accounts, which we can shortcut
return t.dereferenceUserShortcut(ctx, iri)
}
}
// the request is either for a remote host or for us but we don't have a shortcut, so continue as normal
l.Debugf("performing GET to %s", iri.String())
return t.sigTransport.Dereference(ctx, iri)
}