286 lines
7.5 KiB
C
286 lines
7.5 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
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Copyright (C) 2017-2019 Olof Hagsand
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Copyright (C) 2020-2021 Olof Hagsand and Rubicon Communications, LLC (Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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*/
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/*
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* Note that the functions in this file are accessible from the plugins
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*/
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#ifdef HAVE_CONFIG_H
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#include "clixon_config.h" /* generated by config & autoconf */
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#endif
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <dirent.h>
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#include <errno.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <regex.h>
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#include <netinet/in.h>
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#include <limits.h>
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/* cligen */
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#include <cligen/cligen.h>
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/* clicon */
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#include <clixon/clixon.h>
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#include "clixon_backend_transaction.h"
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#include "clixon_backend_plugin.h"
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/* Access functions for transaction-data handle in callbacks
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* Expressed in a transition from an current -> wanted state.
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* For example, adding a database symbol 'a' in candidate and commiting
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* would give running in source and 'a' and candidate in 'target'.
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*/
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/*! Get transaction id
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* @param[in] td transaction_data
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* @retval id transaction id
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*/
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uint64_t
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transaction_id(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_id;
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}
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/*! Get plugin/application specific callback argument
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* @param[in] td transaction_data
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* @retval arg callback argument
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*/
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void *
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transaction_arg(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_arg;
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}
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/*! Set plugin/application specific callback argument
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* @param[in] td transaction_data
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* @param[in] arg callback argument
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*/
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int
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transaction_arg_set(transaction_data td,
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void *arg)
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{
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((transaction_data_t *)td)->td_arg = arg;
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return 0;
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}
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/*! Get source database xml tree
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* @param[in] td transaction_data
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* @retval src source xml tree containing original state
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*/
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cxobj *
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transaction_src(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_src;
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}
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/*! Get target database xml tree
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* @param[in] td transaction_data
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* @retval xml target xml tree containing wanted state
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*/
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cxobj *
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transaction_target(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_target;
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}
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/*! Get delete xml vector, ie vector of xml nodes that are deleted src->target
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* @param[in] td transaction_data
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* @retval vec Vector of xml nodes
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*/
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cxobj **
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transaction_dvec(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_dvec;
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}
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/*! Get length of delete xml vector
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* @param[in] td transaction_data
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* @retval len Length of vector of xml nodes
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* @see transaction_dvec
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*/
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size_t
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transaction_dlen(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_dlen;
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}
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/*! Get add xml vector, ie vector of xml nodes that are added src->target
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* @param[in] td transaction_data
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* @retval vec Vector of xml nodes
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*/
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cxobj **
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transaction_avec(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_avec;
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}
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/*! Get length of add xml vector
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* @param[in] td transaction_data
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* @retval len Length of vector of xml nodes
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* @see transaction_avec
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*/
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size_t
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transaction_alen(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_alen;
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}
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/*! Get source changed xml vector, ie vector of xml nodes that changed
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* @param[in] td transaction_data
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* @retval vec Vector of xml nodes
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* These are only nodes of type LEAF.
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* For each node in this vector which contains the original value, there
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* is a node in tcvec with the changed value
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* @see transaction_dcvec
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*/
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cxobj **
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transaction_scvec(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_scvec;
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}
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/*! Get target changed xml vector, ie vector of xml nodes that changed
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* @param[in] td transaction_data
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* @retval vec Vector of xml nodes
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* These are only nodes of type LEAF.
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* For each node in this vector which contains the original value, there
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* is a node in tcvec with the changed value
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* @see transaction_scvec
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*/
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cxobj **
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transaction_tcvec(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_tcvec;
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}
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/*! Get length of changed xml vector
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* @param[in] td transaction_data
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* @retval len Length of vector of xml nodes
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* This is the length of both the src change vector and the target change vector
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*/
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size_t
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transaction_clen(transaction_data td)
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{
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return ((transaction_data_t *)td)->td_clen;
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}
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/*! Print transaction on FILE for debug
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* @see transaction_log
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*/
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int
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transaction_print(FILE *f,
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transaction_data th)
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{
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cxobj *xn;
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int i;
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transaction_data_t *td;
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td = (transaction_data_t *)th;
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fprintf(f, "Transaction id: 0x%" PRIu64 "\n", td->td_id);
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fprintf(f, "Removed\n=========\n");
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for (i=0; i<td->td_dlen; i++){
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xn = td->td_dvec[i];
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xml_print(f, xn);
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}
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fprintf(f, "Added\n=========\n");
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for (i=0; i<td->td_alen; i++){
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xn = td->td_avec[i];
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xml_print(f, xn);
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}
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fprintf(f, "Changed\n=========\n");
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for (i=0; i<td->td_clen; i++){
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xn = td->td_scvec[i];
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xml_print(f, xn);
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xn = td->td_tcvec[i];
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xml_print(f, xn);
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}
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return 0;
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}
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/*! Log a transaction
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*
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*/
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int
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transaction_log(clicon_handle h,
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transaction_data th,
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int level,
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const char *op)
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{
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cxobj *xn;
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int i;
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transaction_data_t *td;
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cbuf *cb = NULL;
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td = (transaction_data_t *)th;
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if ((cb = cbuf_new()) == NULL){
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clicon_err(OE_CFG, errno, "cbuf_new");
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goto done;
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}
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for (i=0; i<td->td_dlen; i++){
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xn = td->td_dvec[i];
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clicon_xml2cbuf(cb, xn, 0, 0, -1);
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}
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if (i)
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clicon_log(level, "%s %" PRIu64 " %s del: %s",
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__FUNCTION__, td->td_id, op, cbuf_get(cb));
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cbuf_reset(cb);
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for (i=0; i<td->td_alen; i++){
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xn = td->td_avec[i];
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clicon_xml2cbuf(cb, xn, 0, 0, -1);
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}
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if (i)
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clicon_log(level, "%s %" PRIu64 " %s add: %s", __FUNCTION__, td->td_id, op, cbuf_get(cb));
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cbuf_reset(cb);
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for (i=0; i<td->td_clen; i++){
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if (td->td_scvec){
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xn = td->td_scvec[i];
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clicon_xml2cbuf(cb, xn, 0, 0, -1);
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}
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xn = td->td_tcvec[i];
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clicon_xml2cbuf(cb, xn, 0, 0, -1);
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}
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if (i)
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clicon_log(level, "%s %" PRIu64 " %s change: %s", __FUNCTION__, td->td_id, op, cbuf_get(cb));
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done:
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if (cb)
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cbuf_free(cb);
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return 0;
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}
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