/*
 * 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.
 */
/*
 * cicn plug-in api description/structures, shared between plugin
 * and management client(s)
 *
 * - Include the generated file, see BUILT_SOURCES in Makefile.am
 */
define cicn_api_node_params_set {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Enable / disable ICN forwarder in VPP */
    u8 enable_disable;

    /* PIT maximum size, otherwise -1 to assign default value */
    i32 pit_max_size;

    /* FIB maximum size, otherwise -1 to assign default value */
    i32 fib_max_size;

    /* CS maximum size, otherwise -1 to assign default value */
    i32 cs_max_size;

    /* Default PIT entry lifetime */
    f64 pit_dflt_lifetime_sec;

    /* Lower bound on PIT entry lifetime */
    f64 pit_min_lifetime_sec;

    /* Upper bound on PIT entry lifetime */
    f64 pit_max_lifetime_sec;
};

define cicn_api_node_params_set_reply {
    /* From the request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_node_params_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;
};

define cicn_api_node_params_get_reply {
    /* From the request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;

    /* Enabled / disabled flag */
    u8 is_enabled;

    /* compile-time plugin features */
    u8 feature_multithread;
    u8 feature_cs;
    u8 feature_clone_replication;

    /* Number of VPP workers */
    u32 worker_count;

    /* PIT maximum size, otherwise -1 to assign default value */
    u32 pit_max_size;

    /* FIB maximum size, otherwise -1 to assign default value */
    u32 fib_max_size;

    /* CS maximum size, otherwise -1 to assign default value */
    u32 cs_max_size;

    /* Default PIT entry lifetime */
    f64 pit_dflt_lifetime_sec;

    /* Lower bound on PIT entry lifetime */
    f64 pit_min_lifetime_sec;

    /* Upper bound on PIT entry lifetime */
    f64 pit_max_lifetime_sec;
};

define cicn_api_face_add {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* IPv4 local address */
    u32 local_addr;

    /* IPv4 local port number */
    u16 local_port;

    /* IPv4 destination (next-hop) address*/
    u32 remote_addr;

    /* IPv4 destination (next-hop) port number */
    u16 remote_port;
};

define cicn_api_face_add_reply {
    /* From the request */
    u32 context;

    /* Return value: new Face ID, -1 means no Face was created */
    i32 faceid;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_face_delete {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* A Face ID to be deleted */
    i32 faceid;
};

define cicn_api_face_delete_reply {
    /* From the request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_face_params_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* A Face to be retrieved */
    i32 faceid;
};

define cicn_api_face_params_get_reply {
    /* From the request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;

    /* Local IP address */
    u32 local_addr;

    /* Local port */
    u16 local_port;

    /* Remote IP address */
    u32 remote_addr;

    /* Remote port */
    u16 remote_port;

    /* Face flags */
    i32 flags;

    /* VPP interface (index) associated with the face */
    i32 sw_interface_id;
};

define cicn_api_face_props_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;
};

define cicn_api_face_props_get_reply {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;

    /* Number of valid entries in the response */
    i32 nentries;

    /* Array of 1000 cicn_api_face_entry_t */
    u8 face[24000];
};

define cicn_api_face_stats_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Face ID to retrieve stats from */
    i32 faceid;
};

define cicn_api_face_stats_get_reply {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;

    /* Face ID */
    i32 faceid;

    /* Interest msgs originated */
    u64 orig_interests;

    /* Data msgs originated */
    u64 orig_datas;

    /* InterestReturn (i.e. network level NACK) msgs originated */
    u64 orig_naks;

    /* Interest msgs terminated */
    u64 term_interests;

    /* Data msgs terminated */
    u64 term_datas;

    /* InterestReturn (i.e. network level NACK) msgs terminated */
    u64 term_naks;

    /* Interest msgs received */
    u64 in_interests;

    /* Data msgs received */
    u64 in_datas;

    /* InterestReturn (i.e. network level NACK) msgs received */
    u64 in_naks;

    /* Interest msgs transmitted */
    u64 out_interests;

    /* Data msgs transmitted */
    u64 out_datas;

    /* InterestReturn (i.e. network level NACK) msgs transmitted */
    u64 out_naks;
};

define cicn_api_fib_entry_nh_add {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Prefix to be added to the FIB */
    u8 prefix[500];

    /* A Face ID to the next hop forwarder for the specified prefix */
    i32 faceid;

    /* A weight (priority) of the specified Face ID */
    i32 weight;
};

define cicn_api_fib_entry_nh_add_reply {
    /* From the request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_fib_entry_nh_delete {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Prefix to be removed from the FIB */
    u8 prefix[500];

    /* Specific next-hop to be removed, or 0 to remove all next-hops */
    i32 faceid;
};

define cicn_api_fib_entry_nh_delete_reply {
    /* From the request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_fib_entry_props_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Requested page number */
    i32 pagenum;
};

define cicn_api_fib_entry_props_get_reply {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Array of 512 cicn_api_fib_entry_t */
    u8 fibentry[324608];

    /* Number of valid FIB entries in this page */
    i32 nentries;

    /* Requested page number, or -1 if page number is out of bound */
    i32 pagenum;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_fib_xprops_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;
};

define cicn_api_fib_details {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Name prefix */
    u8 prefix[500];

    /* Number of valid next-hops (faces) */
    i32 nfaces;

    /* Next-hop Face IDs */
    i32 faceid[16];

    /* Face weights */
    i32 faceweight[16];
 };

define cicn_api_node_stats_get {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;
};

define cicn_api_node_stats_get_reply {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;

    /* ICN packets processed */
    u64 pkts_processed;

    /* ICN interests forwarded */
    u64 pkts_interest_count;

    /* ICN data msgs forwarded */
    u64 pkts_data_count;

    /* ICN Nak msgs forwarded */
    u64 pkts_nak_count;

    /* ICN cached data msg replies */
    u64 pkts_from_cache_count;

    /* ICN Nak msgs originated */
    u64 pkts_nacked_interests_count;

    /* ICN hoplimit exceeded errors */
    u64 pkts_nak_hoplimit_count;

    /* ICN no-route errors */
    u64 pkts_nak_no_route_count;

    /* ICN no PIT entry drops */
    u64 pkts_no_pit_count;

    /* ICN expired PIT entries */
    u64 pit_expired_count;

    /* ICN expired CS entries */
    u64 cs_expired_count;

    /* ICN LRU CS entries freed */
    u64 cs_lru_count;

    /* ICN msgs dropped due to no packet buffers */
    u64 pkts_drop_no_buf;

    /* ICN Interest messages aggregated in PIT */
    u64 interests_aggregated;

    /* ICN Interest messages retransmitted */
    u64 interests_retx;

    /* Number of entries in PIT at the present moment */
    u64 pit_entries_count;

    /* Number of entries in CS at the present moment */
    u64 cs_entries_count;
};

define cicn_api_test_run_get {
    u32 client_index;   // Client identifier, set from api_main.my_client_index
    u32 context;       // Arbitrary context, so client can match reply to req
    i32 testid;        // test to run or -1 for all
};

define cicn_api_test_run_get_reply {
    u32 client_index;  // Client identifier, set from api_main.my_client_index
    u32 context;       // Arbitrary context, so client can match reply to req
    i32 retval;        // Return value, zero means all OK
    i32 nentries;      // Number of valid entries (suites) in the response

    u8 suites[10000];  // Array of 1000/176=56 cicn_api_test_suite_results_t
};

define cicn_api_face_events_subscribe {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* 1 => register for events, 0 => cancel registration */
    u16 enable_disable;
};

define cicn_api_face_events_subscribe_reply {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Return value, zero means all OK */
    i32 retval;
};

define cicn_api_face_event {
    /* Client identifier, set from api_main.my_client_index */
    u32 client_index;

    /* Arbitrary context, so client can match reply to request */
    u32 context;

    /* Face ID */
    i32 faceid;

    /* Face flags */
    i32 flags;
};