mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 04:36:43 +00:00
76 lines
2.4 KiB
Go
76 lines
2.4 KiB
Go
// Copyright (c) 2024 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// Proton Mail Bridge 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package syncservice
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import (
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"context"
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"github.com/ProtonMail/gluon/async"
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"github.com/ProtonMail/proton-bridge/v3/internal/services/observability"
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)
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// Service which mediates IMAP syncing in Bridge.
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// IMPORTANT: Be sure to cancel all ongoing sync Handlers before cancelling this service's Group.
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type Service struct {
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metadataStage *MetadataStage
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downloadStage *DownloadStage
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buildStage *BuildStage
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applyStage *ApplyStage
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limits syncLimits
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metaCh *ChannelConsumerProducer[*Job]
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group *async.Group
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}
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func NewService(
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panicHandler async.PanicHandler,
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observabilitySender observability.Sender,
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) *Service {
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limits := newSyncLimits(2 * Gigabyte)
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metaCh := NewChannelConsumerProducer[*Job]()
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downloadCh := NewChannelConsumerProducer[DownloadRequest]()
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buildCh := NewChannelConsumerProducer[BuildRequest]()
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applyCh := NewChannelConsumerProducer[ApplyRequest]()
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return &Service{
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limits: limits,
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metadataStage: NewMetadataStage(metaCh, downloadCh, limits.DownloadRequestMem, panicHandler),
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downloadStage: NewDownloadStage(downloadCh, buildCh, limits.MaxParallelDownloads, panicHandler),
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buildStage: NewBuildStage(buildCh, applyCh, limits.MessageBuildMem, panicHandler, observabilitySender),
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applyStage: NewApplyStage(applyCh),
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metaCh: metaCh,
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group: async.NewGroup(context.Background(), panicHandler),
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}
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}
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func (s *Service) Run() {
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s.metadataStage.Run(s.group)
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s.downloadStage.Run(s.group)
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s.buildStage.Run(s.group)
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s.applyStage.Run(s.group)
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}
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func (s *Service) Sync(ctx context.Context, stage *Job) error {
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return s.metaCh.Produce(ctx, stage)
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}
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func (s *Service) Close() {
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s.group.CancelAndWait()
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s.metaCh.Close()
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}
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