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/*
 *------------------------------------------------------------------
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * Licensed 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:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *------------------------------------------------------------------
 */

#ifndef vapi_common_h_included
#define vapi_common_h_included

#ifdef __cplusplus
extern "C" {
#endif

  typedef enum
  {
    VAPI_OK = 0,	/**< success */
    VAPI_EINVAL,	/**< invalid value encountered */
    VAPI_EAGAIN,	/**< operation would block */
    VAPI_ENOTSUP,	/**< operation not supported */
    VAPI_ENOMEM,	/**< out of memory */
    VAPI_ENORESP,	/**< no response to request */
    VAPI_EMAP_FAIL,	/**< failure while mapping api */
    VAPI_ECON_FAIL,	/**< failure while connecting to vpp */
    VAPI_EINCOMPATIBLE, /**< fundamental incompatibility while connecting to
			   vpp (control ping/control ping reply mismatch) */
    VAPI_MUTEX_FAILURE, /**< failure manipulating internal mutex(es) */
    VAPI_EUSER,		/**< user error used for breaking dispatch,
			     never used by VAPI */
    VAPI_ENOTSOCK,	/**< vapi socket doesn't refer to a socket */
    VAPI_EACCES,	/**< no write permission for socket */
    VAPI_ECONNRESET,	/**< connection reset by peer*/
    VAPI_ESOCK_FAILURE, /**< generic socket failure, check errno */
  } vapi_error_e;

  typedef enum
  {
    VAPI_MODE_BLOCKING = 1,    /**< operations block until response received */
    VAPI_MODE_NONBLOCKING = 2, /**< operations never block */
  } vapi_mode_e;

  typedef unsigned int vapi_msg_id_t;

#define VAPI_INVALID_MSG_ID ((vapi_msg_id_t)(~0))

#ifdef __cplusplus
}
#endif

#endif