hycdong commented on code in PR #1129:
URL: https://github.com/apache/incubator-pegasus/pull/1129#discussion_r954799619
##########
src/rdsn/src/meta/meta_backup_engine.cpp:
##########
@@ -179,6 +179,86 @@ void meta_backup_engine::backup_app_partition(const gpid
&pid)
});
}
+// ThreadPool: THREAD_POOL_DEFAULT
+void meta_backup_engine::on_backup_reply(const error_code err,
+ const backup_response &response,
+ const gpid &pid,
+ const rpc_address &primary)
+{
+ {
+ zauto_read_lock l(_lock);
+ if (_is_backup_failed) {
+ derror_f("partition[{}] handle backup failed", pid);
+ return;
+ }
+
+ // TODO(heyuchen): check if backup canceled
+ }
+
+ auto rep_error = err == ERR_OK ? response.err : err;
+ if (rep_error != ERR_OK) {
+ derror_f(
+ "backup_id({}): receive backup response for partition {} from
server {}, error = {}",
+ _cur_backup.backup_id,
+ pid.to_string(),
+ primary.to_string(),
+ rep_error);
+ handle_replica_backup_failed(pid.get_app_id());
+ return;
+ }
+
+ if (response.backup_id != _cur_backup.backup_id) {
+ dwarn_f("backup_id({}): receive outdated backup response(backup_id={})
for partition {} "
+ "from server {}, ignore it",
+ _cur_backup.backup_id,
+ response.backup_id,
+ pid.to_string(),
+ primary.to_string());
+ retry_backup(pid);
+ return;
+ }
+
+ if (response.__isset.checkpoint_upload_err) {
+ auto type = response.status == backup_status::UPLOADING ? "upload" :
"checkpoint";
+ derror_f("backup_id({}): receive backup response for partition {} from
server {}, meet {} "
+ "error = {}",
+ _cur_backup.backup_id,
+ pid.to_string(),
+ primary.to_string(),
+ type,
+ response.checkpoint_upload_err);
+ handle_replica_backup_failed(pid.get_app_id());
+ retry_backup(pid);
+ return;
+ }
+
+ if (response.status == backup_status::CHECKPOINTED) {
+ ddebug_f("backup_id({}): backup for partition {} from server {} finish
checkpoint",
+ _cur_backup.backup_id,
+ pid.to_string(),
+ primary.to_string());
+ {
+ zauto_write_lock l(_lock);
+ _backup_status[pid.get_partition_index()] =
backup_status::UPLOADING;
+ }
+ if (check_partition_backup_status(backup_status::UPLOADING)) {
Review Comment:
Not only `uploading` should be sync to zk, other state also need, just not
in this pr.
In previous pr, when backup start, its status is checkpoint, which also need
to be sync to zk, you can reference function `meta_backup_engine::start`.
In future pr, when backup failed or succeed, its status also need to be sync
to zk.
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