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78 lines
2.7 KiB
Go
78 lines
2.7 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 state
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import (
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"codeberg.org/gruf/go-mutexes"
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"github.com/superseriousbusiness/gotosocial/internal/cache"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/storage"
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"github.com/superseriousbusiness/gotosocial/internal/timeline"
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"github.com/superseriousbusiness/gotosocial/internal/workers"
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)
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// State provides a means of dependency injection and sharing of resources
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// across different subpackages of the GoToSocial codebase. DO NOT assume
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// that any particular field will be initialized if you are accessing this
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// during initialization. A pointer to a State{} is often passed during
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// subpackage initialization, while the returned subpackage type will later
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// then be set and stored within the State{} itself.
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type State struct {
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// Caches provides access to this state's collection of caches.
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Caches cache.Caches
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// Timelines provides access to this state's collection of timelines.
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Timelines timeline.Timelines
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// DB provides access to the database.
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DB db.DB
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// FedLocks provides access to this state's mutex
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// map of per URI federation locks, intended for
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// use in internal/federation functions.
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//
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// Used during account and status dereferencing,
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// and by the go-fed/activity library.
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FedLocks mutexes.MutexMap
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// ProcessingLocks provides access to this state's
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// mutex map of per URI locks, intended for use
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// in internal/processing functions, for example
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// when updating accounts, migrating, approving
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// or rejecting an account, changing stats or
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// pinned statuses, creating notifs, etc.
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ProcessingLocks mutexes.MutexMap
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// Storage provides access to the storage driver.
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Storage *storage.Driver
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// Workers provides access to this state's collection of worker pools.
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Workers workers.Workers
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// prevent pass-by-value.
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_ nocopy
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}
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// nocopy when embedded will signal linter to
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// error on pass-by-value of parent struct.
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type nocopy struct{}
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func (*nocopy) Lock() {}
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func (*nocopy) Unlock() {}
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