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// Copyright (c) 2009 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 "chrome/browser/sync/sessions/status_controller.h"
#include "base/basictypes.h"
#include "chrome/browser/sync/syncable/model_type.h"
namespace browser_sync {
namespace sessions {
using syncable::FIRST_REAL_MODEL_TYPE;
using syncable::MODEL_TYPE_COUNT;
StatusController::StatusController(const ModelSafeRoutingInfo& routes)
: shared_(&is_dirty_),
per_model_group_deleter_(&per_model_group_),
per_model_type_deleter_(&per_model_type_),
is_dirty_(false),
group_restriction_in_effect_(false),
group_restriction_(GROUP_PASSIVE),
routing_info_(routes) {
}
bool StatusController::TestAndClearIsDirty() {
bool is_dirty = is_dirty_;
is_dirty_ = false;
return is_dirty;
}
PerModelSafeGroupState* StatusController::GetOrCreateModelSafeGroupState(
bool restrict, ModelSafeGroup group) {
DCHECK(restrict == group_restriction_in_effect_) << "Group violation!";
if (per_model_group_.find(group) == per_model_group_.end()) {
PerModelSafeGroupState* state = new PerModelSafeGroupState(&is_dirty_);
per_model_group_[group] = state;
return state;
}
return per_model_group_[group];
}
PerModelTypeState* StatusController::GetOrCreateModelTypeState(
bool restrict, syncable::ModelType model) {
if (restrict) {
DCHECK(group_restriction_in_effect_) << "No group restriction in effect!";
DCHECK_EQ(group_restriction_, GetGroupForModelType(model, routing_info_));
}
if (per_model_type_.find(model) == per_model_type_.end()) {
PerModelTypeState* state = new PerModelTypeState(&is_dirty_);
per_model_type_[model] = state;
return state;
}
return per_model_type_[model];
}
void StatusController::increment_num_conflicting_commits_by(int value) {
if (value == 0)
return;
shared_.error_counters.mutate()->num_conflicting_commits += value;
}
void StatusController::reset_num_conflicting_commits() {
if (shared_.error_counters.value().num_conflicting_commits != 0)
shared_.error_counters.mutate()->num_conflicting_commits = 0;
}
void StatusController::set_num_consecutive_transient_error_commits(int value) {
if (shared_.error_counters.value().consecutive_transient_error_commits !=
value) {
shared_.error_counters.mutate()->consecutive_transient_error_commits =
value;
}
}
void StatusController::increment_num_consecutive_transient_error_commits_by(
int value) {
set_num_consecutive_transient_error_commits(
shared_.error_counters.value().consecutive_transient_error_commits +
value);
}
void StatusController::set_num_consecutive_errors(int value) {
if (shared_.error_counters.value().consecutive_errors != value)
shared_.error_counters.mutate()->consecutive_errors = value;
}
void StatusController::set_current_download_timestamp(
syncable::ModelType model,
int64 current_timestamp) {
PerModelTypeState* state = GetOrCreateModelTypeState(false, model);
if (current_timestamp > state->current_download_timestamp.value())
*(state->current_download_timestamp.mutate()) = current_timestamp;
}
void StatusController::set_num_server_changes_remaining(
int64 changes_remaining) {
if (shared_.num_server_changes_remaining.value() != changes_remaining)
*(shared_.num_server_changes_remaining.mutate()) = changes_remaining;
}
void StatusController::set_over_quota(bool over_quota) {
if (shared_.syncer_status.value().over_quota != over_quota)
shared_.syncer_status.mutate()->over_quota = over_quota;
}
void StatusController::set_invalid_store(bool invalid_store) {
if (shared_.syncer_status.value().invalid_store != invalid_store)
shared_.syncer_status.mutate()->invalid_store = invalid_store;
}
void StatusController::set_syncer_stuck(bool syncer_stuck) {
if (shared_.syncer_status.value().syncer_stuck != syncer_stuck)
shared_.syncer_status.mutate()->syncer_stuck = syncer_stuck;
}
void StatusController::set_syncing(bool syncing) {
if (shared_.syncer_status.value().syncing != syncing)
shared_.syncer_status.mutate()->syncing = syncing;
}
void StatusController::set_num_successful_bookmark_commits(int value) {
if (shared_.syncer_status.value().num_successful_bookmark_commits != value)
shared_.syncer_status.mutate()->num_successful_bookmark_commits = value;
}
void StatusController::set_unsynced_handles(
const std::vector<int64>& unsynced_handles) {
if (!operator==(unsynced_handles, shared_.unsynced_handles.value())) {
*(shared_.unsynced_handles.mutate()) = unsynced_handles;
}
}
void StatusController::increment_num_consecutive_errors() {
set_num_consecutive_errors(
shared_.error_counters.value().consecutive_errors + 1);
}
void StatusController::increment_num_consecutive_errors_by(int value) {
set_num_consecutive_errors(
shared_.error_counters.value().consecutive_errors + value);
}
void StatusController::increment_num_successful_bookmark_commits() {
set_num_successful_bookmark_commits(
shared_.syncer_status.value().num_successful_bookmark_commits + 1);
}
void StatusController::increment_num_successful_commits() {
shared_.syncer_status.mutate()->num_successful_commits++;
}
void StatusController::set_commit_set(const OrderedCommitSet& commit_set) {
DCHECK(!group_restriction_in_effect_);
shared_.commit_set = commit_set;
}
void StatusController::update_conflict_sets_built(bool built) {
shared_.control_params.conflict_sets_built |= built;
}
void StatusController::update_conflicts_resolved(bool resolved) {
shared_.control_params.conflict_sets_built |= resolved;
}
void StatusController::reset_conflicts_resolved() {
shared_.control_params.conflicts_resolved = false;
}
void StatusController::set_items_committed() {
shared_.control_params.items_committed = true;
}
// Returns the number of updates received from the sync server.
int64 StatusController::CountUpdates() const {
const ClientToServerResponse& updates = shared_.updates_response;
if (updates.has_get_updates()) {
return updates.get_updates().entries().size();
} else {
return 0;
}
}
bool StatusController::CurrentCommitIdProjectionHasIndex(size_t index) {
OrderedCommitSet::Projection proj =
shared_.commit_set.GetCommitIdProjection(group_restriction_);
return std::binary_search(proj.begin(), proj.end(), index);
}
int64 StatusController::ComputeMaxLocalTimestamp() const {
std::map<syncable::ModelType, PerModelTypeState*>::const_iterator it =
per_model_type_.begin();
int64 max_timestamp = 0;
for (; it != per_model_type_.end(); ++it) {
if (it->second->current_download_timestamp.value() > max_timestamp)
max_timestamp = it->second->current_download_timestamp.value();
}
return max_timestamp;
}
bool StatusController::HasConflictingUpdates() const {
DCHECK(!group_restriction_in_effect_)
<< "HasConflictingUpdates applies to all ModelSafeGroups";
std::map<ModelSafeGroup, PerModelSafeGroupState*>::const_iterator it =
per_model_group_.begin();
for (; it != per_model_group_.end(); ++it) {
if (it->second->update_progress.HasConflictingUpdates())
return true;
}
return false;
}
int StatusController::TotalNumConflictingItems() const {
DCHECK(!group_restriction_in_effect_)
<< "TotalNumConflictingItems applies to all ModelSafeGroups";
std::map<ModelSafeGroup, PerModelSafeGroupState*>::const_iterator it =
per_model_group_.begin();
int sum = 0;
for (; it != per_model_group_.end(); ++it) {
sum += it->second->conflict_progress.ConflictingItemsSize();
}
return sum;
}
bool StatusController::ServerSaysNothingMoreToDownload() const {
if (!download_updates_succeeded())
return false;
// If we didn't request every enabled datatype, then we can't say for
// sure that there's nothing left to download.
for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
if (!updates_request_parameters().data_types[i] &&
routing_info_.count(syncable::ModelTypeFromInt(i)) != 0) {
return false;
}
}
// Changes remaining is an estimate, but if it's estimated to be
// zero, that's firm and we don't have to ask again.
if (updates_response().get_updates().has_changes_remaining() &&
updates_response().get_updates().changes_remaining() == 0) {
return true;
}
// Otherwise, the server can also indicate "you're up to date"
// by not sending a new timestamp.
return !updates_response().get_updates().has_new_timestamp();
}
} // namespace sessions
} // namespace browser_sync
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