gotosocial/internal/federation/dereferencing/dereferencer.go
kim 69ba9a79a1
[chore] de-interface{} the federator and dereferencer structs (#2285)
* de-interface{} the federator and dereferencer structs

* fix broken type signatures
2023-10-23 10:58:13 +01:00

72 lines
2.7 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package dereferencing
import (
"net/url"
"sync"
"codeberg.org/gruf/go-mutexes"
"github.com/superseriousbusiness/gotosocial/internal/media"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/transport"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
)
// Dereferencer wraps logic and functionality for doing dereferencing
// of remote accounts, statuses, etc, from federated instances.
type Dereferencer struct {
state *state.State
converter *typeutils.Converter
transportController transport.Controller
mediaManager *media.Manager
derefAvatars map[string]*media.ProcessingMedia
derefAvatarsMu mutexes.Mutex
derefHeaders map[string]*media.ProcessingMedia
derefHeadersMu mutexes.Mutex
derefEmojis map[string]*media.ProcessingEmoji
derefEmojisMu mutexes.Mutex
handshakes map[string][]*url.URL
handshakesMu sync.Mutex // mutex to lock/unlock when checking or updating the handshakes map
}
// NewDereferencer returns a Dereferencer initialized with the given parameters.
func NewDereferencer(
state *state.State,
converter *typeutils.Converter,
transportController transport.Controller,
mediaManager *media.Manager,
) Dereferencer {
return Dereferencer{
state: state,
converter: converter,
transportController: transportController,
mediaManager: mediaManager,
derefAvatars: make(map[string]*media.ProcessingMedia),
derefHeaders: make(map[string]*media.ProcessingMedia),
derefEmojis: make(map[string]*media.ProcessingEmoji),
handshakes: make(map[string][]*url.URL),
// use wrapped mutexes to allow safely deferring unlock
// even when more granular locks are required (only unlocks once).
derefAvatarsMu: mutexes.WithSafety(mutexes.New()),
derefHeadersMu: mutexes.WithSafety(mutexes.New()),
derefEmojisMu: mutexes.WithSafety(mutexes.New()),
}
}