/*
 * Copyright (c) 2019 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 __HICN_VPP_COMMM_H__
#define __HICN_VPP_COMMM_H__
#include <sysrepo.h>
#include <sysrepo/plugins.h>  //for HICN_LOG_DBG
#include <sysrepo/values.h>
#include <vapi/vapi.h>

#ifndef HICN_THIS_FUNC
#ifdef __FUNCTION__
#define HICN_THIS_FUNC __FUNCTION__
#else
#define HICN_THIS_FUNC __func__
#endif
#endif

#ifndef _NOLOG
#define HICN_LOG_DBG SRP_LOG_DBG
#define HICN_LOG_ERR SRP_LOG_ERR
#define HICN_LOG_DBG_MSG SRP_LOG_DBG_MSG
#define HICN_LOG_ERR_MSG SRP_LOG_ERR_MSG
#else
#define HICN_LOG_DBG      // printf
#define HICN_LOG_DBG      // SRP_LOG_DBG
#define HICN_LOG_ERR      // SRP_LOG_ERR
#define HICN_LOG_DBG_MSG  // SRP_LOG_DBG_MSG
#define HICN_LOG_ERR_MSG  // SRP_LOG_ERR_MSG
#endif

//DEFINE_VAPI_MSG_IDS_VPE_API_JSON

DEFINE_VAPI_MSG_IDS_HICN_API_JSON;
// ctx vpp connect
extern vapi_ctx_t g_vapi_ctx_instance;

//Here it is the definition

#define VPP_INTFC_NAME_LEN 64
#define VPP_MAC_ADDRESS_LEN 8
#define VPP_IP6_ADDRESS_LEN 16
#define HICN_INVOKE_BEGIN HICN_LOG_DBG("inovke %s bein.", HICN_THIS_FUNC);
#define HICN_INVOKE_END \
  HICN_LOG_DBG("inovke %s end,with return OK.", HICN_THIS_FUNC);
#define HICN_INVOKE_ENDX(...) \
  HICN_LOG_DBG("inovke %s end,with %s.", HICN_THIS_FUNC, ##__VA_ARGS__)

#define ARG_CHECK(retval, arg)                        \
  do {                                                \
    if (NULL == (arg)) {                              \
      HICN_LOG_ERR_MSG(#arg ":NULL pointer passed."); \
      return (retval);                                \
    }                                                 \
  } while (0)



#define ARG_CHECK2(retval, arg1, arg2) \
    ARG_CHECK(retval, arg1); \
    ARG_CHECK(retval, arg2)

#define ARG_CHECK5(retval, arg1, arg2, arg3, arg4, arg5) \
    ARG_CHECK(retval, arg1); \
    ARG_CHECK(retval, arg2); \
    ARG_CHECK(retval, arg3); \
    ARG_CHECK(retval, arg4); \
    ARG_CHECK(retval, arg5)



/**
 * when use tihs must fist DEFINE_VAPI_MSG_IDS_VXLAN_API_JSON
 */
#define HICN_VPP_VAPI_RECV                                                   \
  do {                                                                       \
    size_t size;                                                             \
    int recv_vapimsgid = -1;                                                 \
    vapi_recv(g_vapi_ctx_instance, (void *)&resp, &size, 0, 0);              \
    recv_vapimsgid = vapi_lookup_vapi_msg_id_t(                              \
        g_vapi_ctx_instance, ntohs(resp->header._vl_msg_id));                \
    if (recv_vapimsgid <= vapi_msg_id_get_next_index_reply ||                \
        recv_vapimsgid >= vapi_get_message_count()) {                        \
      HICN_LOG_DBG("***recv error msgid[%d] not in [0-%d) ,try again!***\n", \
                   recv_vapimsgid, vapi_get_message_count());                \
    } else {                                                                 \
      HICN_LOG_DBG("recv msgid [%d]\n", recv_vapimsgid);                     \
      break;                                                                 \
    }                                                                        \
  } while (1);

#define HICN_REGISTER_RPC_EVT_HANDLER(rpc_evt_handle)          \
  do {                                                         \
    sr_error_t rc = rpc_evt_handle(session, &subscription);    \
    if (SR_ERR_OK != rc) {                                     \
      HICN_LOG_ERR("load plugin failed: %s", sr_strerror(rc)); \
      sr_unsubscribe(session, subscription);                   \
      HICN_INVOKE_ENDX(sr_strerror(rc));                       \
      return rc;                                               \
    }                                                          \
  } while (0);


int hicn_connect_vpp();
int hicn_disconnect_vpp();

#endif  //__HICN_VPP_COMMM_H__