117 lines
3.4 KiB
Go
117 lines
3.4 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 workers
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import (
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"log"
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"runtime"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/messages"
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"github.com/superseriousbusiness/gotosocial/internal/scheduler"
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"github.com/superseriousbusiness/gotosocial/internal/transport/delivery"
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)
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type Workers struct {
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// Main task scheduler instance.
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Scheduler scheduler.Scheduler
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// Delivery provides a worker pool that
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// handles outgoing ActivityPub deliveries.
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// It contains an embedded (but accessible)
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// indexed queue of Delivery{} objects.
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Delivery delivery.WorkerPool
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// Client ...
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Client MsgWorkerPool[*messages.FromClientAPI]
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// Federator ...
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Federator MsgWorkerPool[*messages.FromFediAPI]
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// Dereferencer worker pools.
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Dereference FnWorkerPool
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// Media manager worker pools.
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Media FnWorkerPool
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// prevent pass-by-value.
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_ nocopy
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}
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// Start will start all of the contained
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// worker pools (and global scheduler).
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func (w *Workers) Start() {
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// Get currently set GOMAXPROCS.
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maxprocs := runtime.GOMAXPROCS(0)
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tryUntil("starting scheduler", 5, w.Scheduler.Start)
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tryUntil("start delivery workerpool", 5, func() bool {
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n := config.GetAdvancedSenderMultiplier()
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if n < 1 {
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// clamp min senders to 1.
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return w.Delivery.Start(1)
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}
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return w.Delivery.Start(n * maxprocs)
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})
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tryUntil("starting client workerpool", 5, func() bool {
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return w.Client.Start(4 * maxprocs)
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})
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tryUntil("starting federator workerpool", 5, func() bool {
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return w.Federator.Start(4 * maxprocs)
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})
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tryUntil("starting dereference workerpool", 5, func() bool {
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return w.Dereference.Start(4 * maxprocs)
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})
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tryUntil("starting media workerpool", 5, func() bool {
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return w.Media.Start(8 * maxprocs)
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})
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}
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// Stop will stop all of the contained worker pools (and global scheduler).
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func (w *Workers) Stop() {
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tryUntil("stopping scheduler", 5, w.Scheduler.Stop)
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tryUntil("stopping delivery workerpool", 5, w.Delivery.Stop)
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tryUntil("stopping client API workerpool", 5, w.Client.Stop)
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tryUntil("stopping federator workerpool", 5, w.Federator.Stop)
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tryUntil("stopping dereference workerpool", 5, w.Dereference.Stop)
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tryUntil("stopping media workerpool", 5, w.Media.Stop)
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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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// tryUntil will attempt to call 'do' for 'count' attempts, before panicking with 'msg'.
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func tryUntil(msg string, count int, do func() bool) {
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for i := 0; i < count; i++ {
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if do() {
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return
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}
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}
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log.Panicf("failed %s after %d tries", msg, count)
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}
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