foreverneverer commented on code in PR #1128:
URL: https://github.com/apache/incubator-pegasus/pull/1128#discussion_r951275697
##########
src/rdsn/src/replica/backup/replica_backup_manager.cpp:
##########
@@ -15,21 +15,182 @@
// specific language governing permissions and limitations
// under the License.
-#include "replica_backup_manager.h"
-#include "replica/replica.h"
-
#include <dsn/dist/fmt_logging.h>
-#include <dsn/utility/filesystem.h>
-#include <dsn/dist/replication/replication_app_base.h>
+#include <dsn/utility/fail_point.h>
+
+#include "replica_backup_manager.h"
namespace dsn {
namespace replication {
// TODO(heyuchen): implement it
-replica_backup_manager::replica_backup_manager(replica *r) : replica_base(r),
_replica(r) {}
+replica_backup_manager::replica_backup_manager(replica *r)
+ : replica_base(r), _replica(r), _stub(r->get_replica_stub())
+{
+}
replica_backup_manager::~replica_backup_manager() {}
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::on_backup(const backup_request &request,
+ /*out*/ backup_response &response)
+{
+ // TODO(heyuchen): add other status
+
+ if (request.status == backup_status::CHECKPOINTING) {
+ try_to_checkpoint(request.backup_id, response);
+ return;
+ }
+}
+
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::try_to_checkpoint(const int64_t &backup_id,
+ /*out*/ backup_response
&response)
+{
+ switch (_status) {
+ case backup_status::UNINITIALIZED:
+ start_checkpointing(backup_id, response);
+ break;
+ case backup_status::CHECKPOINTING:
+ case backup_status::CHECKPOINTED:
+ report_checkpointing(response);
+ break;
+ default:
+ response.err = ERR_INVALID_STATE;
+ derror_replica("invalid local status({}) while request status = {}",
+ enum_to_string(_status),
+ enum_to_string(backup_status::CHECKPOINTING));
+ break;
+ }
+}
+
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::start_checkpointing(int64_t backup_id,
+ /*out*/ backup_response
&response)
+{
+ FAIL_POINT_INJECT_F("replica_backup_start_checkpointing",
[&](dsn::string_view) {
+ _status = backup_status::CHECKPOINTING;
+ response.err = ERR_OK;
+ });
+
+ ddebug_replica("start to checkpoint, backup_id = {}", backup_id);
+ zauto_write_lock l(_lock);
Review Comment:
you have assign it into `THREAD_POOL_REPLICATION`, why still `lock`?
##########
src/rdsn/src/replica/backup/replica_backup_manager.cpp:
##########
@@ -15,21 +15,182 @@
// specific language governing permissions and limitations
// under the License.
-#include "replica_backup_manager.h"
-#include "replica/replica.h"
-
#include <dsn/dist/fmt_logging.h>
-#include <dsn/utility/filesystem.h>
-#include <dsn/dist/replication/replication_app_base.h>
+#include <dsn/utility/fail_point.h>
+
+#include "replica_backup_manager.h"
namespace dsn {
namespace replication {
// TODO(heyuchen): implement it
-replica_backup_manager::replica_backup_manager(replica *r) : replica_base(r),
_replica(r) {}
+replica_backup_manager::replica_backup_manager(replica *r)
+ : replica_base(r), _replica(r), _stub(r->get_replica_stub())
+{
+}
replica_backup_manager::~replica_backup_manager() {}
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::on_backup(const backup_request &request,
+ /*out*/ backup_response &response)
+{
+ // TODO(heyuchen): add other status
+
+ if (request.status == backup_status::CHECKPOINTING) {
+ try_to_checkpoint(request.backup_id, response);
+ return;
+ }
+}
+
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::try_to_checkpoint(const int64_t &backup_id,
+ /*out*/ backup_response
&response)
+{
+ switch (_status) {
+ case backup_status::UNINITIALIZED:
+ start_checkpointing(backup_id, response);
+ break;
+ case backup_status::CHECKPOINTING:
+ case backup_status::CHECKPOINTED:
+ report_checkpointing(response);
+ break;
+ default:
+ response.err = ERR_INVALID_STATE;
+ derror_replica("invalid local status({}) while request status = {}",
+ enum_to_string(_status),
+ enum_to_string(backup_status::CHECKPOINTING));
+ break;
+ }
+}
+
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::start_checkpointing(int64_t backup_id,
+ /*out*/ backup_response
&response)
+{
+ FAIL_POINT_INJECT_F("replica_backup_start_checkpointing",
[&](dsn::string_view) {
+ _status = backup_status::CHECKPOINTING;
+ response.err = ERR_OK;
+ });
+
+ ddebug_replica("start to checkpoint, backup_id = {}", backup_id);
+ zauto_write_lock l(_lock);
+ _status = backup_status::CHECKPOINTING;
+ _backup_id = backup_id;
+ _checkpointing_task =
+ tasking::enqueue(LPC_BACKGROUND_COLD_BACKUP,
+ tracker(),
+
std::bind(&replica_backup_manager::generate_checkpoint, this));
+ fill_response_unlock(response);
+}
+
+// ThreadPool: THREAD_POOL_REPLICATION
+void replica_backup_manager::report_checkpointing(/*out*/ backup_response
&response)
+{
+ ddebug_replica("check checkpoint, backup_id = {}", _backup_id);
+ zauto_read_lock l(_lock);
Review Comment:
same
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