rules.h

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/*
 * Copyright 2004-2022 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        = 0,
    nested_rule     = 1,
    attr_expr       = 2,
    loc_expr        = 3,
    role_expr       = 4,
    time_expr       = 5,
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
    version_expr    = 6,
#endif
    rsc_expr        = 7,
    op_expr         = 8,
};
 
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, const xmlNode *xml_obj, const char *set_name,
                     const 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, const 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);
 
char *pe_expand_re_matches(const char *string,
                           const pe_re_match_data_t *match_data);
 
gboolean pe_eval_rules(xmlNode *ruleset, const pe_rule_eval_data_t *rule_data,
                       crm_time_t *next_change);
gboolean pe_eval_expr(xmlNode *rule, const pe_rule_eval_data_t *rule_data,
                      crm_time_t *next_change);
gboolean pe_eval_subexpr(xmlNode *expr, const 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