mirror of
https://github.com/superseriousbusiness/gotosocial.git
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8275d70e38
* update go-cache version to support multi-keying Signed-off-by: kim <grufwub@gmail.com> * improved cache invalidation Signed-off-by: kim <grufwub@gmail.com> --------- Signed-off-by: kim <grufwub@gmail.com>
82 lines
2.6 KiB
Go
82 lines
2.6 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 cache
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import (
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"codeberg.org/gruf/go-cache/v3/result"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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)
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type VisibilityCache struct {
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*result.Cache[*CachedVisibility]
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}
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// Init will initialize the visibility cache in this collection.
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// NOTE: the cache MUST NOT be in use anywhere, this is not thread-safe.
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func (c *VisibilityCache) Init() {
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c.Cache = result.New([]result.Lookup{
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{Name: "ItemID", Multi: true},
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{Name: "RequesterID", Multi: true},
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{Name: "Type.RequesterID.ItemID"},
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}, func(v1 *CachedVisibility) *CachedVisibility {
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v2 := new(CachedVisibility)
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*v2 = *v1
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return v2
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}, config.GetCacheVisibilityMaxSize())
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c.Cache.SetTTL(config.GetCacheVisibilityTTL(), true)
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c.Cache.IgnoreErrors(ignoreErrors)
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}
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// Start will attempt to start the visibility cache, or panic.
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func (c *VisibilityCache) Start() {
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tryStart(c.Cache, config.GetCacheVisibilitySweepFreq())
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}
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// Stop will attempt to stop the visibility cache, or panic.
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func (c *VisibilityCache) Stop() {
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tryStop(c.Cache, config.GetCacheVisibilitySweepFreq())
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}
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// VisibilityType represents a visibility lookup type.
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// We use a byte type here to improve performance in the
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// result cache when generating the key.
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type VisibilityType byte
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const (
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// Possible cache visibility lookup types.
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VisibilityTypeAccount = VisibilityType('a')
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VisibilityTypeStatus = VisibilityType('s')
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VisibilityTypeHome = VisibilityType('h')
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VisibilityTypePublic = VisibilityType('p')
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)
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// CachedVisibility represents a cached visibility lookup value.
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type CachedVisibility struct {
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// ItemID is the ID of the item in question (status / account).
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ItemID string
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// RequesterID is the ID of the requesting account for this visibility lookup.
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RequesterID string
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// Type is the visibility lookup type.
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Type VisibilityType
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// Value is the actual visibility value.
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Value bool
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}
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