be/src/testutil/fault-injection-util.h

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#ifndef IMPALA_TESTUTIL_FAULT_INJECTION_UTIL_H
#define IMPALA_TESTUTIL_FAULT_INJECTION_UTIL_H

#include "util/time.h"

namespace impala {

#ifndef NDEBUG

class FaultInjectionUtil {
 public:

  enum RpcExceptionType {
    RPC_EXCEPTION_NONE = 0,
    RPC_EXCEPTION_SEND_CLOSED_CONNECTION,
    RPC_EXCEPTION_SEND_STALE_CONNECTION,
    RPC_EXCEPTION_SEND_TIMEDOUT,
    RPC_EXCEPTION_RECV_CLOSED_CONNECTION,
    RPC_EXCEPTION_RECV_TIMEDOUT,
    RPC_EXCEPTION_SSL_SEND_CLOSED_CONNECTION,
    RPC_EXCEPTION_SSL_SEND_STALE_CONNECTION,
    RPC_EXCEPTION_SSL_SEND_TIMEDOUT,
    RPC_EXCEPTION_SSL_RECV_CLOSED_CONNECTION,
    RPC_EXCEPTION_SSL_RECV_TIMEDOUT,
  };

  /// Test util function that injects exceptions to RPC client functions.
  /// 'is_send' indicates whether injected fault is at the send() or recv() of an RPC.
  /// The exception specified in 'FLAGS_fault_injection_rpc_exception_type' is injected
  /// on every 'freq' invocations of this function.
  static void InjectRpcException(bool is_send, int freq);

};

#define FAULT_INJECTION_SEND_RPC_EXCEPTION(freq)                 \
    FaultInjectionUtil::InjectRpcException(true, freq)
#define FAULT_INJECTION_RECV_RPC_EXCEPTION(freq)                 \
    FaultInjectionUtil::InjectRpcException(false, freq)

#else // NDEBUG

#define FAULT_INJECTION_SEND_RPC_EXCEPTION(freq)
#define FAULT_INJECTION_RECV_RPC_EXCEPTION(freq)

#endif

}
#endif // IMPALA_TESTUTIL_FAULT_INJECTION_UTIL_H