mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-03 05:33:19 +01:00
113 lines
3.7 KiB
Go
113 lines
3.7 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 workers
|
|
|
|
import (
|
|
"context"
|
|
"log"
|
|
"runtime"
|
|
|
|
"codeberg.org/gruf/go-runners"
|
|
"github.com/superseriousbusiness/gotosocial/internal/messages"
|
|
"github.com/superseriousbusiness/gotosocial/internal/scheduler"
|
|
)
|
|
|
|
type Workers struct {
|
|
// Main task scheduler instance.
|
|
Scheduler scheduler.Scheduler
|
|
|
|
// ClientAPI provides a worker pool that handles both
|
|
// incoming client actions, and our own side-effects.
|
|
ClientAPI runners.WorkerPool
|
|
|
|
// Federator provides a worker pool that handles both
|
|
// incoming federated actions, and our own side-effects.
|
|
Federator runners.WorkerPool
|
|
|
|
// Enqueue functions for clientAPI / federator worker pools,
|
|
// these are pointers to Processor{}.Enqueue___() msg functions.
|
|
// This prevents dependency cycling as Processor depends on Workers.
|
|
EnqueueClientAPI func(context.Context, ...messages.FromClientAPI)
|
|
EnqueueFediAPI func(context.Context, ...messages.FromFediAPI)
|
|
|
|
// Blocking processing functions for clientAPI / federator.
|
|
// These are pointers to Processor{}.Process___() msg functions.
|
|
// This prevents dependency cycling as Processor depends on Workers.
|
|
//
|
|
// Rather than queueing messages for asynchronous processing, these
|
|
// functions will process immediately and in a blocking manner, and
|
|
// will not use up a worker slot.
|
|
//
|
|
// As such, you should only call them in special cases where something
|
|
// synchronous needs to happen before you can do something else.
|
|
ProcessFromClientAPI func(context.Context, messages.FromClientAPI) error
|
|
ProcessFromFediAPI func(context.Context, messages.FromFediAPI) error
|
|
|
|
// Media manager worker pools.
|
|
Media runners.WorkerPool
|
|
|
|
// prevent pass-by-value.
|
|
_ nocopy
|
|
}
|
|
|
|
// Start will start all of the contained worker pools (and global scheduler).
|
|
func (w *Workers) Start() {
|
|
// Get currently set GOMAXPROCS.
|
|
maxprocs := runtime.GOMAXPROCS(0)
|
|
|
|
tryUntil("starting scheduler", 5, w.Scheduler.Start)
|
|
|
|
tryUntil("starting client API workerpool", 5, func() bool {
|
|
return w.ClientAPI.Start(4*maxprocs, 400*maxprocs)
|
|
})
|
|
|
|
tryUntil("starting federator workerpool", 5, func() bool {
|
|
return w.Federator.Start(4*maxprocs, 400*maxprocs)
|
|
})
|
|
|
|
tryUntil("starting media workerpool", 5, func() bool {
|
|
return w.Media.Start(8*maxprocs, 80*maxprocs)
|
|
})
|
|
}
|
|
|
|
// Stop will stop all of the contained worker pools (and global scheduler).
|
|
func (w *Workers) Stop() {
|
|
tryUntil("stopping scheduler", 5, w.Scheduler.Stop)
|
|
tryUntil("stopping client API workerpool", 5, w.ClientAPI.Stop)
|
|
tryUntil("stopping federator workerpool", 5, w.Federator.Stop)
|
|
tryUntil("stopping media workerpool", 5, w.Media.Stop)
|
|
}
|
|
|
|
// nocopy when embedded will signal linter to
|
|
// error on pass-by-value of parent struct.
|
|
type nocopy struct{}
|
|
|
|
func (*nocopy) Lock() {}
|
|
|
|
func (*nocopy) Unlock() {}
|
|
|
|
// tryUntil will attempt to call 'do' for 'count' attempts, before panicking with 'msg'.
|
|
func tryUntil(msg string, count int, do func() bool) {
|
|
for i := 0; i < count; i++ {
|
|
if do() {
|
|
return
|
|
}
|
|
}
|
|
log.Panicf("failed %s after %d tries", msg, count)
|
|
}
|