/*
 * Copyright (c) 2015-2016 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.
 */

/** \file

    This file defines the stats API 
*/

option version = "1.0.2";

import "vnet/interface.api";
import "vnet/bier/bier.api";

service {
  rpc want_stats
    returns want_stats_reply;
  rpc want_interface_simple_stats
    returns want_interface_simple_stats_reply
    events vnet_interface_simple_counters;
  rpc want_per_interface_simple_stats
    returns want_per_interface_simple_stats_reply
    events vnet_per_interface_simple_counters;
  rpc want_interface_combined_stats
    returns want_interface_combined_stats_reply
    events vnet_interface_combined_counters;
  rpc want_per_interface_combined_stats
    returns want_per_interface_combined_stats_reply
    events vnet_per_interface_combined_counters;
  rpc want_ip4_fib_stats
    returns want_ip4_fib_stats_reply
    events vnet_ip4_fib_counters;
  rpc want_ip6_fib_stats
    returns want_ip6_fib_stats_reply
    events vnet_ip6_fib_counters;
  rpc want_ip4_mfib_stats
    returns want_ip4_mfib_stats_reply
    events vnet_ip4_mfib_counters;
  rpc want_ip6_mfib_stats
    returns want_ip6_mfib_stats_reply
    events vnet_ip6_mfib_counters;
  rpc want_ip4_nbr_stats
    returns want_ip4_nbr_stats_reply
    events vnet_ip4_nbr_counters;
  rpc want_ip6_nbr_stats
    returns want_ip6_nbr_stats_reply
    events vnet_ip6_nbr_counters;
  rpc want_udp_encap_stats
    returns want_udp_encap_stats_reply
    events vnet_udp_encap_counters;
  rpc want_bier_neighbor_stats
    returns want_bier_neighbor_stats_reply
    events vnet_bier_neighbor_counters;
};

/** \brief Want Stats, enable/disable ALL stats updates
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want Interface Simple Stats, register for detailed interface stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates

    Please consider using want_per_interface_simple_stats with sw_if_index=~0
*/
autoreply define want_interface_simple_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want Per Interface simple Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
    @param num - number of sw_if_indexes
    @param sw_ifs - array of sw_if_index
*/
autoreply define want_per_interface_simple_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
  u32 num;
  u32 sw_ifs[num];

};

/** \brief Want Interface Combined Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates

    Please consider using want_per_interface_combined_stats with sw_if_index=~0

*/
autoreply define want_interface_combined_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want Per Interface Combined Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
    @param num - number of sw_if_indexes
    @param sw_ifs - array of sw_if_index
*/
autoreply define want_per_interface_combined_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
  u32 num;
  u32 sw_ifs[num];

};

/** \brief Want IP4 FIB Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_ip4_fib_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want IP6 FIB Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_ip6_fib_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want IP4 multicast FIB Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_ip4_mfib_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want IP6 multicast FIB Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_ip6_mfib_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want IP4 NBR Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_ip4_nbr_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want IP6 NBR Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_ip6_nbr_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

typeonly manual_print manual_endian define ip4_fib_counter
{
  u32 address;
  u8 address_length;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip4_fib_counters
{
  u32 vrf_id;
  u32 count;
  vl_api_ip4_fib_counter_t c[count];
};

typeonly manual_print manual_endian define ip4_mfib_counter
{
  u8 source[4];
  u8 group[4];
  u8 group_length;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip4_mfib_counters
{
  u32 vrf_id;
  u32 count;
  vl_api_ip4_mfib_counter_t c[count];
};

typeonly manual_print manual_endian define ip4_nbr_counter
{
  u32 address;
  u8  link_type;
  u64 packets;
  u64 bytes;
};

/**
 * @brief Per-neighbour (i.e. per-adjacency) counters
 * @param count The size of the array of counters
 * @param sw_if_index The interface the adjacency is on
 * @param begin Flag to indicate this is the first set of stats for this
 *        interface. If this flag is not set the it is a continuation of
 *        stats for this interface
 * @param  c counters
 */
manual_print manual_endian define vnet_ip4_nbr_counters
{
  u32 count;
  u32 sw_if_index;
  u8 begin;
  vl_api_ip4_nbr_counter_t c[count];
};

typeonly manual_print manual_endian define ip6_fib_counter
{
  u64 address[2];
  u8 address_length;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip6_fib_counters
{
  u32 vrf_id;
  u32 count;
  vl_api_ip6_fib_counter_t c[count];
};

typeonly manual_print manual_endian define ip6_mfib_counter
{
  u8 source[16];
  u8 group[16];
  u8 group_length;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip6_mfib_counters
{
  u32 vrf_id;
  u32 count;
  vl_api_ip6_mfib_counter_t c[count];
};

typeonly manual_print manual_endian define ip6_nbr_counter
{
  u64 address[2];
  u8  link_type;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip6_nbr_counters
{
  u32 count;
  u32 sw_if_index;
  u8 begin;
  vl_api_ip6_nbr_counter_t c[count];
};

/** \brief Simple stats counters structure
    @param vnet_counter_type- such as ip4, ip6, punts, etc
    @param first_sw_if_index - first sw index in block of index, counts
    @param count - number of counters, equal to the number of interfaces in
      this stats block
    @param data - contiguous block of u64 counters

    vnet_counter_type defined in enums - plural - in vnet/interface.h
*/
manual_print manual_endian define vnet_interface_simple_counters
{
  u8 vnet_counter_type;
  u32 first_sw_if_index;
  u32 count;
  u64 data[count];
};

/** \brief Combined stats counters structure
    @param vnet_counter_type- such as ip4, ip6, punts, etc
    @param first_sw_if_index - first sw index in block of index, counts
    @param count - number of counters, equal to the number of interfaces in
      this stats block
    @param data - contiguous block of vlib_counter_t structures

    vnet_counter_type defined in enums - plural - in vnet/interface.h
*/
manual_print manual_endian define vnet_interface_combined_counters
{
  u8 vnet_counter_type;
  u32 first_sw_if_index;
  u32 count;
  vl_api_vlib_counter_t data[count];
};

/** \brief Simple per interface stats counters structure
    @param count - number of elements in message
    @param timestamp - u32 vlib timestamp for control plane
    @param data[count] - vl_api_vnet_simple_counter_t 

*/
manual_print manual_endian define vnet_per_interface_simple_counters
{
  u32 count;
  u32 timestamp;
  vl_api_vnet_simple_counter_t data[count];
};

/** \brief Combined stats counters structure per interface
    @param count - number of elements in message
    @param timestamp - u32 vlib timestamp for control plane
    @param data[count] - vl_api_vnet_combined_counter_t
*/
manual_print manual_endian define vnet_per_interface_combined_counters
{
  u32 count;
  u32 timestamp;
  vl_api_vnet_combined_counter_t data[count];
};

/** \brief Request for a single block of summary stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define vnet_get_summary_stats
{
  u32 client_index;
  u32 context;
};

/** \brief Reply for vnet_get_summary_stats request
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
    @param total_pkts - length of the array must match the length of 
                        the combined counter part of the enum in interface.h
    @param total_bytes - length of the array must match the length of 
                         the combined counter part of the enum in interface.h
    @param vector_rate - 
*/
define vnet_get_summary_stats_reply
{
  u32 context;
  i32 retval;
  u64 total_pkts[8];
  u64 total_bytes[8];
  f64 vector_rate;
};

/** \brief Get delay between polling statistics
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define stats_get_poller_delay
{
  u32 client_index;
  u32 context;
};

/** \brief Get delay between polling statistics reply
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
    @param delay - poller delay
*/
define stats_get_poller_delay_reply
{
  u32 context;
  i32 retval;
  u32 delay;
};

/** \brief Want UDP encap Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_udp_encap_stats
{
  u32 client_index;
  u32 context;
  u32 enable;
  u32 pid;
};

/** \brief Stat for one UDP encap object
    @param id - The ID of the object, same as passed for the create
    @param packets - number of packets sent
    @param bytes - number of bytes sent
*/
typeonly manual_print manual_endian define udp_encap_counter
{
  u32 id;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_udp_encap_counters
{
  u32 timestamp;
  u32 count;
  vl_api_udp_encap_counter_t c[count];
};

/** \brief Want BIER neighbor Stats, register for continuous stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
autoreply define want_bier_neighbor_stats
{
  u32 client_index;
  u32 context;
  u32 enable;
  u32 pid;
};

/** \brief Stat for one BIER neighbor object
    @param tbl_id - The BIER Table ID the neighbour belongs to.
    @param path - The path describing the neighbor (this is the data
                  given during a BIER route add)
    @param packets - number of packets sent
    @param bytes - number of bytes sent
*/
typeonly manual_print manual_endian define bier_neighbor_counter
{
  vl_api_bier_table_id_t tbl_id;
  vl_api_fib_path_t path;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_bier_neighbor_counters
{
  u32 timestamp;
  u32 count;
  vl_api_bier_neighbor_counter_t c[count];
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */