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https://github.com/superseriousbusiness/gotosocial.git
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3cff4b2d7d
after seeing a potential reported federating worker lockup i decided to start digging into the federatingdb code. this PR encompasses:
- removes one of our last unused interface types `federatingdb.DB{}`, replacing it with a struct type `*federatingdb.DB{}`
- in `transport.dereferenceLocal()` differentiates between an unsupported lookup type and ErrNoEntries to reduce unnecessary calls, and reduce potential lockups that may occur while trying to call our own endpoints that then call `federatingdb.Lock()`
- removes a bunch of the locks on follow state changes since the DB already synchronizes that
- removes the unnecessary `pub.Clock{}` struct field and type passed to the transport controller
frankly it would be great if we could remove the locking in `federatingdb.Lock()` and instead handle it ourselves as it gets very confusing trying to figure out what functions will have locks held. but i guess that's one for when we move further away from the go-fed/activity/pub package usage.
Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4178
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>
99 lines
3.2 KiB
Go
99 lines
3.2 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package federatingdb
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import (
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"context"
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"net/url"
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"code.superseriousbusiness.org/activity/pub"
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"code.superseriousbusiness.org/activity/streams/vocab"
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"code.superseriousbusiness.org/gotosocial/internal/ap"
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"code.superseriousbusiness.org/gotosocial/internal/filter/interaction"
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"code.superseriousbusiness.org/gotosocial/internal/filter/spam"
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"code.superseriousbusiness.org/gotosocial/internal/filter/visibility"
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"code.superseriousbusiness.org/gotosocial/internal/state"
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"code.superseriousbusiness.org/gotosocial/internal/typeutils"
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"codeberg.org/gruf/go-cache/v3/simple"
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)
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// Check our type's
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// interface conformity.
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var _ interface {
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// Default
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// functionality.
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pub.Database
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// Federating protocol overridden callback functionality.
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Like(context.Context, vocab.ActivityStreamsLike) error
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Block(context.Context, vocab.ActivityStreamsBlock) error
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Follow(context.Context, vocab.ActivityStreamsFollow) error
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Undo(context.Context, vocab.ActivityStreamsUndo) error
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Accept(context.Context, vocab.ActivityStreamsAccept) error
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Reject(context.Context, vocab.ActivityStreamsReject) error
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Announce(context.Context, vocab.ActivityStreamsAnnounce) error
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Move(context.Context, vocab.ActivityStreamsMove) error
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Flag(context.Context, vocab.ActivityStreamsFlag) error
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/*
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Extra/convenience functionality.
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*/
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GetAccept(ctx context.Context, acceptIRI *url.URL) (vocab.ActivityStreamsAccept, error)
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} = &DB{}
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// DB uses the given state interface to
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// implement the go-fed pub.Database interface.
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type DB struct {
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state *state.State
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converter *typeutils.Converter
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visFilter *visibility.Filter
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intFilter *interaction.Filter
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spamFilter *spam.Filter
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// tracks Activity IDs we have handled creates for,
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// for use in the Exists() function during forwarding.
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activityIDs simple.Cache[string, struct{}]
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}
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// New returns a DB that satisfies the pub.Database
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// interface, using the given state and filters.
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func New(
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state *state.State,
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converter *typeutils.Converter,
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visFilter *visibility.Filter,
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intFilter *interaction.Filter,
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spamFilter *spam.Filter,
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) *DB {
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fdb := DB{
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state: state,
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converter: converter,
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visFilter: visFilter,
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intFilter: intFilter,
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spamFilter: spamFilter,
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}
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fdb.activityIDs.Init(0, 2048)
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return &fdb
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}
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// storeActivityID stores an entry in the .activityIDs cache for this
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// type's JSON-LD ID, for later checks in Exist() to mark it as seen.
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func (f *DB) storeActivityID(asType vocab.Type) {
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f.activityIDs.Set(ap.GetJSONLDId(asType).String(), struct{}{})
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}
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