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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/engine/sync_session_job.h"
#include "sync/internal_api/public/sessions/model_neutral_state.h"
namespace syncer {
SyncSessionJob::~SyncSessionJob() {}
SyncSessionJob::SyncSessionJob(
Purpose purpose,
base::TimeTicks start,
scoped_ptr<sessions::SyncSession> session,
const ConfigurationParams& config_params,
const tracked_objects::Location& from_location)
: purpose_(purpose),
scheduled_start_(start),
session_(session.Pass()),
is_canary_(false),
config_params_(config_params),
finished_(NOT_FINISHED),
from_location_(from_location) {
}
#define ENUM_CASE(x) case x: return #x; break;
const char* SyncSessionJob::GetPurposeString(SyncSessionJob::Purpose purpose) {
switch (purpose) {
ENUM_CASE(UNKNOWN);
ENUM_CASE(POLL);
ENUM_CASE(NUDGE);
ENUM_CASE(CONFIGURATION);
}
NOTREACHED();
return "";
}
#undef ENUM_CASE
bool SyncSessionJob::Finish(bool early_exit) {
DCHECK_EQ(finished_, NOT_FINISHED);
// Did we run through all SyncerSteps from start_step() to end_step()
// until the SyncSession returned !HasMoreToSync()?
// Note: if not, it's possible the scheduler hasn't started with
// SyncShare yet, it's possible there is still more to sync in the session,
// and it's also possible the job quit part way through due to a premature
// exit condition (such as shutdown).
finished_ = early_exit ? EARLY_EXIT : FINISHED;
if (early_exit)
return false;
DCHECK(!session_->HasMoreToSync());
// Did we hit any errors along the way?
if (sessions::HasSyncerError(
session_->status_controller().model_neutral_state())) {
return false;
}
const sessions::ModelNeutralState& state(
session_->status_controller().model_neutral_state());
switch (purpose_) {
case POLL:
case NUDGE:
DCHECK_NE(state.last_download_updates_result, UNSET);
DCHECK_NE(state.commit_result, UNSET);
break;
case CONFIGURATION:
DCHECK_NE(state.last_download_updates_result, UNSET);
break;
case UNKNOWN:
default:
NOTREACHED();
}
if (!config_params_.ready_task.is_null())
config_params_.ready_task.Run();
return true;
}
scoped_ptr<SyncSessionJob> SyncSessionJob::CloneAndAbandon() {
DCHECK_EQ(finished_, NOT_FINISHED);
// Clone |this|, and abandon it by NULL-ing session_.
return scoped_ptr<SyncSessionJob> (new SyncSessionJob(
purpose_, scheduled_start_, session_.Pass(),
config_params_, from_location_));
}
scoped_ptr<SyncSessionJob> SyncSessionJob::Clone() const {
DCHECK_GT(finished_, NOT_FINISHED);
return scoped_ptr<SyncSessionJob>(new SyncSessionJob(
purpose_, scheduled_start_, CloneSession().Pass(),
config_params_, from_location_));
}
scoped_ptr<SyncSessionJob> SyncSessionJob::CloneFromLocation(
const tracked_objects::Location& from_here) const {
DCHECK_GT(finished_, NOT_FINISHED);
return scoped_ptr<SyncSessionJob>(new SyncSessionJob(
purpose_, scheduled_start_, CloneSession().Pass(),
config_params_, from_here));
}
scoped_ptr<sessions::SyncSession> SyncSessionJob::CloneSession() const {
return scoped_ptr<sessions::SyncSession>(
new sessions::SyncSession(session_->context(),
session_->delegate(), session_->source(), session_->routing_info(),
session_->workers()));
}
bool SyncSessionJob::is_canary() const {
return is_canary_;
}
SyncSessionJob::Purpose SyncSessionJob::purpose() const {
return purpose_;
}
base::TimeTicks SyncSessionJob::scheduled_start() const {
return scheduled_start_;
}
void SyncSessionJob::set_scheduled_start(base::TimeTicks start) {
scheduled_start_ = start;
};
const sessions::SyncSession* SyncSessionJob::session() const {
return session_.get();
}
sessions::SyncSession* SyncSessionJob::mutable_session() {
return session_.get();
}
const tracked_objects::Location& SyncSessionJob::from_location() const {
return from_location_;
}
ConfigurationParams SyncSessionJob::config_params() const {
return config_params_;
}
void SyncSessionJob::GrantCanaryPrivilege() {
DCHECK_EQ(finished_, NOT_FINISHED);
DVLOG(2) << "Granting canary priviliege to " << session_.get();
is_canary_ = true;
}
SyncerStep SyncSessionJob::start_step() const {
SyncerStep start, end;
GetSyncerStepsForPurpose(purpose_, &start, &end);
return start;
}
SyncerStep SyncSessionJob::end_step() const {
SyncerStep start, end;
GetSyncerStepsForPurpose(purpose_, &start, &end);
return end;
}
// static
void SyncSessionJob::GetSyncerStepsForPurpose(Purpose purpose,
SyncerStep* start,
SyncerStep* end) {
switch (purpose) {
case SyncSessionJob::CONFIGURATION:
*start = DOWNLOAD_UPDATES;
*end = APPLY_UPDATES;
return;
case SyncSessionJob::NUDGE:
case SyncSessionJob::POLL:
*start = SYNCER_BEGIN;
*end = SYNCER_END;
return;
default:
NOTREACHED();
*start = SYNCER_END;
*end = SYNCER_END;
return;
}
}
} // namespace syncer
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