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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sync/internal_api/all_status.h"
#include <algorithm>
#include "base/logging.h"
#include "base/port.h"
#include "sync/engine/net/server_connection_manager.h"
#include "sync/sessions/session_state.h"
#include "sync/syncable/model_type.h"
namespace browser_sync {
AllStatus::AllStatus() {
status_.initial_sync_ended = true;
status_.notifications_enabled = false;
status_.cryptographer_ready = false;
status_.crypto_has_pending_keys = false;
}
AllStatus::~AllStatus() {
}
sync_api::SyncManager::Status AllStatus::CreateBlankStatus() const {
// Status is initialized with the previous status value. Variables
// whose values accumulate (e.g. lifetime counters like updates_received)
// are not to be cleared here.
sync_api::SyncManager::Status status = status_;
status.encryption_conflicts = 0;
status.hierarchy_conflicts = 0;
status.simple_conflicts = 0;
status.server_conflicts = 0;
status.committed_count = 0;
status.initial_sync_ended = false;
status.updates_available = 0;
return status;
}
sync_api::SyncManager::Status AllStatus::CalcSyncing(
const SyncEngineEvent &event) const {
sync_api::SyncManager::Status status = CreateBlankStatus();
const sessions::SyncSessionSnapshot& snapshot = event.snapshot;
status.encryption_conflicts = snapshot.num_encryption_conflicts();
status.hierarchy_conflicts = snapshot.num_hierarchy_conflicts();
status.simple_conflicts = snapshot.num_simple_conflicts();
status.server_conflicts = snapshot.num_server_conflicts();
status.committed_count = snapshot.syncer_status().num_successful_commits;
if (event.what_happened == SyncEngineEvent::SYNC_CYCLE_BEGIN) {
status.syncing = true;
} else if (event.what_happened == SyncEngineEvent::SYNC_CYCLE_ENDED) {
status.syncing = false;
}
status.initial_sync_ended |= snapshot.is_share_usable();
status.updates_available += snapshot.num_server_changes_remaining();
status.sync_protocol_error = snapshot.errors().sync_protocol_error;
// Accumulate update count only once per session to avoid double-counting.
// TODO(ncarter): Make this realtime by having the syncer_status
// counter preserve its value across sessions. http://crbug.com/26339
if (event.what_happened == SyncEngineEvent::SYNC_CYCLE_ENDED) {
status.updates_received +=
snapshot.syncer_status().num_updates_downloaded_total;
status.tombstone_updates_received +=
snapshot.syncer_status().num_tombstone_updates_downloaded_total;
status.reflected_updates_received +=
snapshot.syncer_status().num_reflected_updates_downloaded_total;
status.num_commits_total +=
snapshot.syncer_status().num_successful_commits;
status.num_local_overwrites_total +=
snapshot.syncer_status().num_local_overwrites;
status.num_server_overwrites_total +=
snapshot.syncer_status().num_server_overwrites;
if (snapshot.syncer_status().num_updates_downloaded_total == 0) {
++status.empty_get_updates;
} else {
++status.nonempty_get_updates;
}
if (snapshot.syncer_status().num_successful_commits == 0) {
++status.sync_cycles_without_commits;
} else {
++status.sync_cycles_with_commits;
}
if (snapshot.syncer_status().num_successful_commits == 0 &&
snapshot.syncer_status().num_updates_downloaded_total == 0) {
++status.useless_sync_cycles;
} else {
++status.useful_sync_cycles;
}
}
return status;
}
void AllStatus::OnSyncEngineEvent(const SyncEngineEvent& event) {
ScopedStatusLock lock(this);
switch (event.what_happened) {
case SyncEngineEvent::SYNC_CYCLE_BEGIN:
case SyncEngineEvent::STATUS_CHANGED:
case SyncEngineEvent::SYNC_CYCLE_ENDED:
status_ = CalcSyncing(event);
break;
case SyncEngineEvent::STOP_SYNCING_PERMANENTLY:
case SyncEngineEvent::UPDATED_TOKEN:
case SyncEngineEvent::CLEAR_SERVER_DATA_FAILED:
case SyncEngineEvent::CLEAR_SERVER_DATA_SUCCEEDED:
break;
case SyncEngineEvent::ACTIONABLE_ERROR:
status_ = CreateBlankStatus();
status_.sync_protocol_error = event.snapshot.errors().sync_protocol_error;
break;
default:
LOG(ERROR) << "Unrecognized Syncer Event: " << event.what_happened;
break;
}
}
sync_api::SyncManager::Status AllStatus::status() const {
base::AutoLock lock(mutex_);
return status_;
}
void AllStatus::SetNotificationsEnabled(bool notifications_enabled) {
ScopedStatusLock lock(this);
status_.notifications_enabled = notifications_enabled;
}
void AllStatus::IncrementNotificationsReceived() {
ScopedStatusLock lock(this);
++status_.notifications_received;
}
void AllStatus::SetEncryptedTypes(syncable::ModelTypeSet types) {
ScopedStatusLock lock(this);
status_.encrypted_types = types;
}
void AllStatus::SetCryptographerReady(bool ready) {
ScopedStatusLock lock(this);
status_.cryptographer_ready = ready;
}
void AllStatus::SetCryptoHasPendingKeys(bool has_pending_keys) {
ScopedStatusLock lock(this);
status_.crypto_has_pending_keys = has_pending_keys;
}
void AllStatus::SetUniqueId(const std::string& guid) {
ScopedStatusLock lock(this);
status_.unique_id = guid;
}
ScopedStatusLock::ScopedStatusLock(AllStatus* allstatus)
: allstatus_(allstatus) {
allstatus->mutex_.Acquire();
}
ScopedStatusLock::~ScopedStatusLock() {
allstatus_->mutex_.Release();
}
} // namespace browser_sync
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