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24a58196dd
We should probably prevent any type of namespace collision with something else. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
347 lines
8.8 KiB
C
347 lines
8.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* MGMTD Frontend Client Library api interfaces
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* Copyright (C) 2021 Vmware, Inc.
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* Pushpasis Sarkar <spushpasis@vmware.com>
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*/
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#ifndef _FRR_MGMTD_FE_CLIENT_H_
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#define _FRR_MGMTD_FE_CLIENT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "mgmt_pb.h"
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#include "frrevent.h"
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#include "mgmtd/mgmt_defines.h"
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/***************************************************************
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* Macros
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***************************************************************/
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/*
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* The server port MGMTD daemon is listening for Backend Client
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* connections.
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*/
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#define MGMTD_FE_CLIENT_ERROR_STRING_MAX_LEN 32
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#define MGMTD_FE_DEFAULT_CONN_RETRY_INTVL_SEC 5
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#define MGMTD_FE_MSG_PROC_DELAY_USEC 10
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#define MGMTD_FE_MAX_NUM_MSG_PROC 500
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#define MGMTD_FE_MSG_WRITE_DELAY_MSEC 1
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#define MGMTD_FE_MAX_NUM_MSG_WRITE 100
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#define GMGD_FE_MAX_NUM_REQ_ITEMS 64
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#define MGMTD_FE_MSG_MAX_LEN 9000
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#define MGMTD_SOCKET_FE_SEND_BUF_SIZE 65535
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#define MGMTD_SOCKET_FE_RECV_BUF_SIZE MGMTD_SOCKET_FE_SEND_BUF_SIZE
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/***************************************************************
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* Data-structures
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***************************************************************/
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#define MGMTD_SESSION_ID_NONE 0
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#define MGMTD_CLIENT_ID_NONE 0
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#define MGMTD_DS_NONE MGMTD__DATASTORE_ID__DS_NONE
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#define MGMTD_DS_RUNNING MGMTD__DATASTORE_ID__RUNNING_DS
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#define MGMTD_DS_CANDIDATE MGMTD__DATASTORE_ID__CANDIDATE_DS
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#define MGMTD_DS_OPERATIONAL MGMTD__DATASTORE_ID__OPERATIONAL_DS
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#define MGMTD_DS_MAX_ID MGMTD_DS_OPERATIONAL + 1
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/*
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* All the client specific information this library needs to
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* initialize itself, setup connection with MGMTD FrontEnd interface
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* and carry on all required procedures appropriately.
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*
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* FrontEnd clients need to initialise a instance of this structure
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* with appropriate data and pass it while calling the API
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* to initialize the library (See mgmt_fe_client_lib_init for
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* more details).
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*/
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struct mgmt_fe_client_params {
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char name[MGMTD_CLIENT_NAME_MAX_LEN];
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uintptr_t user_data;
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unsigned long conn_retry_intvl_sec;
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void (*client_connect_notify)(uintptr_t lib_hndl,
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uintptr_t user_data,
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bool connected);
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void (*client_session_notify)(uintptr_t lib_hndl,
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uintptr_t user_data,
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uint64_t client_id,
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bool create, bool success,
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uintptr_t session_id,
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uintptr_t user_session_ctx);
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void (*lock_ds_notify)(uintptr_t lib_hndl, uintptr_t user_data,
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uint64_t client_id, uintptr_t session_id,
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uintptr_t user_session_ctx, uint64_t req_id,
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bool lock_ds, bool success,
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Mgmtd__DatastoreId ds_id, char *errmsg_if_any);
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void (*set_config_notify)(uintptr_t lib_hndl, uintptr_t user_data,
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uint64_t client_id, uintptr_t session_id,
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uintptr_t user_session_ctx, uint64_t req_id,
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bool success, Mgmtd__DatastoreId ds_id,
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char *errmsg_if_any);
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void (*commit_config_notify)(
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uintptr_t lib_hndl, uintptr_t user_data, uint64_t client_id,
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uintptr_t session_id, uintptr_t user_session_ctx,
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uint64_t req_id, bool success, Mgmtd__DatastoreId src_ds_id,
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Mgmtd__DatastoreId dst_ds_id, bool validate_only,
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char *errmsg_if_any);
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enum mgmt_result (*get_data_notify)(
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uintptr_t lib_hndl, uintptr_t user_data, uint64_t client_id,
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uintptr_t session_id, uintptr_t user_session_ctx,
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uint64_t req_id, bool success, Mgmtd__DatastoreId ds_id,
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Mgmtd__YangData **yang_data, size_t num_data, int next_key,
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char *errmsg_if_any);
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enum mgmt_result (*data_notify)(
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uint64_t client_id, uint64_t session_id, uintptr_t user_data,
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uint64_t req_id, Mgmtd__DatastoreId ds_id,
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Mgmtd__YangData **yang_data, size_t num_data);
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};
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/***************************************************************
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* API prototypes
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***************************************************************/
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/*
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* Initialize library and try connecting with MGMTD FrontEnd interface.
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*
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* params
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* Frontend client parameters.
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*
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* master_thread
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* Thread master.
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*
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* Returns:
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* Frontend client lib handler (nothing but address of mgmt_fe_client_ctx)
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*/
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extern uintptr_t mgmt_fe_client_lib_init(struct mgmt_fe_client_params *params,
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struct event_loop *master_thread);
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/*
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* Create a new Session for a Frontend Client connection.
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*
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* lib_hndl
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* Client library handler.
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*
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* client_id
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* Unique identifier of client.
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*
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* user_ctx
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* Client context.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result mgmt_fe_create_client_session(uintptr_t lib_hndl,
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uint64_t client_id,
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uintptr_t user_ctx);
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/*
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* Delete an existing Session for a Frontend Client connection.
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*
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* lib_hndl
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* Client library handler.
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*
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* client_id
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* Unique identifier of client.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result mgmt_fe_destroy_client_session(uintptr_t lib_hndl,
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uint64_t client_id);
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/*
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* Send UN/LOCK_DS_REQ to MGMTD for a specific Datastore DS.
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*
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* lib_hndl
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* Client library handler.
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*
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* session_id
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* Client session ID.
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*
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* req_id
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* Client request ID.
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*
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* ds_id
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* Datastore ID (Running/Candidate/Oper/Startup)
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*
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* lock_ds
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* TRUE for lock request, FALSE for unlock request.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result
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mgmt_fe_lock_ds(uintptr_t lib_hndl, uintptr_t session_id, uint64_t req_id,
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Mgmtd__DatastoreId ds_id, bool lock_ds);
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/*
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* Send SET_CONFIG_REQ to MGMTD for one or more config data(s).
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*
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* lib_hndl
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* Client library handler.
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*
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* session_id
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* Client session ID.
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*
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* req_id
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* Client request ID.
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*
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* ds_id
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* Datastore ID (Running/Candidate/Oper/Startup)
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*
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* conf_req
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* Details regarding the SET_CONFIG_REQ.
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*
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* num_req
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* Number of config requests.
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*
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* implcit commit
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* TRUE for implicit commit, FALSE otherwise.
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*
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* dst_ds_id
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* Destination Datastore ID where data needs to be set.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result
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mgmt_fe_set_config_data(uintptr_t lib_hndl, uintptr_t session_id,
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uint64_t req_id, Mgmtd__DatastoreId ds_id,
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Mgmtd__YangCfgDataReq **config_req, int num_req,
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bool implicit_commit, Mgmtd__DatastoreId dst_ds_id);
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/*
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* Send SET_COMMMIT_REQ to MGMTD for one or more config data(s).
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*
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* lib_hndl
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* Client library handler.
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*
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* session_id
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* Client session ID.
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*
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* req_id
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* Client request ID.
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*
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* src_ds_id
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* Source datastore ID from where data needs to be committed from.
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*
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* dst_ds_id
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* Destination datastore ID where data needs to be committed to.
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*
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* validate_only
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* TRUE if data needs to be validated only, FALSE otherwise.
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*
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* abort
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* TRUE if need to restore Src DS back to Dest DS, FALSE otherwise.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result
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mgmt_fe_commit_config_data(uintptr_t lib_hndl, uintptr_t session_id,
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uint64_t req_id, Mgmtd__DatastoreId src_ds_id,
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Mgmtd__DatastoreId dst_ds_id, bool validate_only,
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bool abort);
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/*
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* Send GET_CONFIG_REQ to MGMTD for one or more config data item(s).
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*
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* lib_hndl
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* Client library handler.
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*
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* session_id
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* Client session ID.
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*
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* req_id
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* Client request ID.
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*
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* ds_id
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* Datastore ID (Running/Candidate)
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*
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* data_req
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* Get config requested.
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*
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* num_req
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* Number of get config requests.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result
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mgmt_fe_get_config_data(uintptr_t lib_hndl, uintptr_t session_id,
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uint64_t req_id, Mgmtd__DatastoreId ds_id,
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Mgmtd__YangGetDataReq **data_req, int num_reqs);
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/*
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* Send GET_DATA_REQ to MGMTD for one or more data item(s).
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*
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* Similar to get config request but supports getting data
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* from operational ds aka backend clients directly.
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*/
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extern enum mgmt_result
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mgmt_fe_get_data(uintptr_t lib_hndl, uintptr_t session_id, uint64_t req_id,
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Mgmtd__DatastoreId ds_id, Mgmtd__YangGetDataReq **data_req,
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int num_reqs);
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/*
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* Send NOTIFY_REGISTER_REQ to MGMTD daemon.
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*
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* lib_hndl
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* Client library handler.
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*
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* session_id
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* Client session ID.
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*
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* req_id
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* Client request ID.
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*
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* ds_id
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* Datastore ID.
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*
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* register_req
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* TRUE if registering, FALSE otherwise.
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*
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* data_req
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* Details of the YANG notification data.
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*
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* num_reqs
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* Number of data requests.
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*
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* Returns:
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* MGMTD_SUCCESS on success, MGMTD_* otherwise.
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*/
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extern enum mgmt_result
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mgmt_fe_register_yang_notify(uintptr_t lib_hndl, uintptr_t session_id,
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uint64_t req_id, Mgmtd__DatastoreId ds_id,
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bool register_req,
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Mgmtd__YangDataXPath **data_req, int num_reqs);
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/*
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* Destroy library and cleanup everything.
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*/
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extern void mgmt_fe_client_lib_destroy(uintptr_t lib_hndl);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FRR_MGMTD_FE_CLIENT_H_ */
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