rules.h

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/*
 * Copyright 2004-2021 the Pacemaker project contributors
 *
 * The version control history for this file may have further details.
 *
 * This source code is licensed under the GNU Lesser General Public License
 * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
 */

#ifndef PCMK__CRM_PENGINE_RULES__H
#  define PCMK__CRM_PENGINE_RULES__H

#  include <glib.h>
#  include <crm/crm.h>
#  include <crm/common/iso8601.h>
#  include <crm/pengine/common.h>

#ifdef __cplusplus
extern "C" {
#endif

enum expression_type {
    not_expr,
    nested_rule,
    attr_expr,
    loc_expr,
    role_expr,
    time_expr,
    version_expr,
    rsc_expr,
    op_expr
};

enum expression_type find_expression_type(xmlNode * expr);

gboolean pe_evaluate_rules(xmlNode *ruleset, GHashTable *node_hash,
                           crm_time_t *now, crm_time_t *next_change);

gboolean pe_test_rule(xmlNode *rule, GHashTable *node_hash,
                      enum rsc_role_e role, crm_time_t *now,
                      crm_time_t *next_change, pe_match_data_t *match_data);

gboolean pe_test_expression(xmlNode *expr, GHashTable *node_hash,
                            enum rsc_role_e role, crm_time_t *now,
                            crm_time_t *next_change,
                            pe_match_data_t *match_data);

void pe_eval_nvpairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
                     pe_rule_eval_data_t *rule_data, GHashTable *hash,
                     const char *always_first, gboolean overwrite,
                     crm_time_t *next_change);

void pe_unpack_nvpairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
                       GHashTable *node_hash, GHashTable *hash,
                       const char *always_first, gboolean overwrite,
                       crm_time_t *now, crm_time_t *next_change);

#if ENABLE_VERSIONED_ATTRS
void pe_eval_versioned_attributes(xmlNode *top, xmlNode *xml_obj,
                                  const char *set_name, pe_rule_eval_data_t *rule_data,
                                  xmlNode *hash, crm_time_t *next_change);

GHashTable *pe_unpack_versioned_parameters(xmlNode *versioned_params, const char *ra_version);
#endif

char *pe_expand_re_matches(const char *string, pe_re_match_data_t * match_data);

gboolean pe_eval_rules(xmlNode *ruleset, pe_rule_eval_data_t *rule_data,
                       crm_time_t *next_change);
gboolean pe_eval_expr(xmlNode *rule, pe_rule_eval_data_t *rule_data,
                      crm_time_t *next_change);
gboolean pe_eval_subexpr(xmlNode *expr, pe_rule_eval_data_t *rule_data,
                         crm_time_t *next_change);

#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
#include <crm/pengine/rules_compat.h>
#endif

#ifdef __cplusplus
}
#endif

#endif