/Users/deen/code/yugabyte-db/src/yb/master/catalog_manager-internal.h

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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
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//   http://www.apache.org/licenses/LICENSE-2.0
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// The following only applies to changes made to this file as part of YugaByte development.
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// Portions Copyright (c) YugaByte, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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#ifndef YB_MASTER_CATALOG_MANAGER_INTERNAL_H
#define YB_MASTER_CATALOG_MANAGER_INTERNAL_H

#include "yb/common/wire_protocol.h"


#include "yb/master/master_error.h"

namespace yb {

namespace master {

inline CHECKED_STATUS SetupError(MasterErrorPB* error,
                                 MasterErrorPB::Code code,
                                 const Status& s) {
  StatusToPB(s, error->mutable_status());
  error->set_code(code);
  return s;
}

inline CHECKED_STATUS CheckIfNoLongerLeader(const Status& s) {
  // TODO (KUDU-591): This is a bit of a hack, as right now
  // there's no way to propagate why a write to a consensus configuration has
  // failed. However, since we use Status::IllegalState()/IsAborted() to
  // indicate the situation where a write was issued on a node
  // that is no longer the leader, this suffices until we
  // distinguish this cause of write failure more explicitly.
  if (s.IsIllegalState() || s.IsAborted()) {
    return STATUS(ServiceUnavailable,
        "Operation requested can only be executed on a leader master, but this"
        " master is no longer the leader", s.ToString(),
        MasterError(MasterErrorPB::NOT_THE_LEADER));
  }

  return s;
}

// If 's' indicates that the node is no longer the leader, setup
// Service::UnavailableError as the error, set NOT_THE_LEADER as the
// error code and return true.
template<class RespClass>
CHECKED_STATUS CheckIfNoLongerLeaderAndSetupError(const Status& s, RespClass* resp) {
  auto new_status = CheckIfNoLongerLeader(s);
  if (MasterError(new_status) == MasterErrorPB::NOT_THE_LEADER) {
    return SetupError(resp->mutable_error(), MasterErrorPB::NOT_THE_LEADER, new_status);
  }

  return s;
}

}  // namespace master
}  // namespace yb

#endif // YB_MASTER_CATALOG_MANAGER_INTERNAL_H

YugabyteDB (2.13.1.0-b60, 21121d69985fbf76aa6958d8f04a9bfa936293b5)

Coverage Report

Created: 2022-03-22 16:43