sync/sessions/sync_session.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "sync/sessions/sync_session.h"
   6
   7 #include <algorithm>
   8 #include <iterator>
   9
  10 #include "base/logging.h"
  11 #include "sync/internal_api/public/base/model_type.h"
  12 #include "sync/internal_api/public/engine/model_safe_worker.h"
  13 #include "sync/syncable/directory.h"
  14
  15 namespace syncer {
  16 namespace sessions {
  17
  18 // static
  19 SyncSession* SyncSession::Build(SyncSessionContext* context,
  20                                 Delegate* delegate) {
  21   return new SyncSession(context, delegate);
  22 }
  23
  24 SyncSession::SyncSession(
  25     SyncSessionContext* context,
  26     Delegate* delegate)
  27     : context_(context),
  28       delegate_(delegate) {
  29   status_controller_.reset(new StatusController());
  30 }
  31
  32 SyncSession::~SyncSession() {}
  33
  34 SyncSessionSnapshot SyncSession::TakeSnapshot() const {
  35   return TakeSnapshotWithSource(sync_pb::GetUpdatesCallerInfo::UNKNOWN);
  36 }
  37
  38 SyncSessionSnapshot SyncSession::TakeSnapshotWithSource(
  39   sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source) const {
  40   syncable::Directory* dir = context_->directory();
  41
  42   ProgressMarkerMap download_progress_markers;
  43   for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
  44     ModelType type(ModelTypeFromInt(i));
  45     dir->GetDownloadProgressAsString(type, &download_progress_markers[type]);
  46   }
  47
  48   std::vector<int> num_entries_by_type(MODEL_TYPE_COUNT, 0);
  49   std::vector<int> num_to_delete_entries_by_type(MODEL_TYPE_COUNT, 0);
  50   dir->CollectMetaHandleCounts(&num_entries_by_type,
  51                                &num_to_delete_entries_by_type);
  52
  53   SyncSessionSnapshot snapshot(
  54       status_controller_->model_neutral_state(),
  55       download_progress_markers,
  56       delegate_->IsCurrentlyThrottled(),
  57       status_controller_->num_encryption_conflicts(),
  58       status_controller_->num_hierarchy_conflicts(),
  59       status_controller_->num_server_conflicts(),
  60       context_->notifications_enabled(),
  61       dir->GetEntriesCount(),
  62       status_controller_->sync_start_time(),
  63       num_entries_by_type,
  64       num_to_delete_entries_by_type,
  65       legacy_updates_source);
  66
  67   return snapshot;
  68 }
  69
  70 void SyncSession::SendSyncCycleEndEventNotification(
  71     sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source) {
  72   SyncCycleEvent event(SyncCycleEvent::SYNC_CYCLE_ENDED);
  73   event.snapshot = TakeSnapshotWithSource(source);
  74
  75   DVLOG(1) << "Sending cycle end event with snapshot: "
  76       << event.snapshot.ToString();
  77   FOR_EACH_OBSERVER(SyncEngineEventListener,
  78                     *(context_->listeners()),
  79                     OnSyncCycleEvent(event));
  80 }
  81
  82 void SyncSession::SendEventNotification(SyncCycleEvent::EventCause cause) {
  83   SyncCycleEvent event(cause);
  84   event.snapshot = TakeSnapshot();
  85
  86   DVLOG(1) << "Sending event with snapshot: " << event.snapshot.ToString();
  87   FOR_EACH_OBSERVER(SyncEngineEventListener,
  88                     *(context_->listeners()),
  89                     OnSyncCycleEvent(event));
  90 }
  91
  92 void SyncSession::SendProtocolEvent(const ProtocolEvent& event) {
  93   FOR_EACH_OBSERVER(SyncEngineEventListener,
  94                     *(context_->listeners()),
  95                     OnProtocolEvent(event));
  96 }
  97
  98 }  // namespace sessions
  99 }  // namespace syncer