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/*
* Copyright 2021-2025 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__PCMKI_PCMKI_SIMULATE__H
#define PCMK__PCMKI_PCMKI_SIMULATE__H
#include <crm/common/output_internal.h>
#include <crm/common/scheduler.h>
#include <pcmki/pcmki_transition.h>
#include <crm/cib.h> // cib_t
#include <pacemaker.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/*!
* \internal
* \brief Profile the configuration updates and scheduler actions in every
* CIB file in a given directory, printing the profiling timings for
* each.
*
* \param[in,out] out Output object
* \param[in] flags Group of <tt>enum pcmk_sim_flags</tt>
* \param[in] dir Directory full of CIB files to be profiled
* \param[in] repeat Number of times to run on each input file
* \param[in] use_date Date to set the cluster's time to (can be \c NULL)
*
* \return Standard Pacemaker return code
*/
int pcmk__profile_dir(pcmk__output_t *out, uint32_t flags, const char *dir,
unsigned int repeat, const char *use_date);
/*!
* \internal
* \brief Simulate executing a transition
*
* \param[in,out] scheduler Scheduler data
* \param[in,out] cib CIB object for scheduler input
* \param[in] op_fail_list List of actions to simulate as failing
*
* \return Transition status after simulated execution
*/
enum pcmk__graph_status pcmk__simulate_transition(pcmk_scheduler_t *scheduler,
cib_t *cib,
const GList *op_fail_list);
/*!
* \internal
* \brief Simulate a cluster's response to events
*
* This high-level function essentially implements crm_simulate(8). It operates
* on an input CIB file and various lists of events that can be simulated. It
* optionally writes out a variety of artifacts to show the results of the
* simulation. Output can be modified with various flags.
*
* \param[in,out] scheduler Scheduler data
* \param[in,out] out The output functions structure
* \param[in] injections A structure containing cluster events
* (node up/down, tickets, injected operations)
* and related data
* \param[in] flags Group of <tt>enum pcmk_sim_flags</tt>
* \param[in] section_opts Which portions of the cluster status output
* should be displayed?
* \param[in] use_date The date to set the cluster's time to
* (may be NULL)
* \param[in] input_file The source CIB file, which may be overwritten by
* this function (may be NULL)
* \param[in] graph_file Where to write the XML-formatted transition graph
* (may be NULL, in which case no file will be
* written)
* \param[in] dot_file Where to write the dot(1) formatted transition
* graph (may be NULL, in which case no file will
* be written; see \p pcmk__write_sim_dotfile())
*
* \return Standard Pacemaker return code
*/
int pcmk__simulate(pcmk_scheduler_t *scheduler, pcmk__output_t *out,
const pcmk_injections_t *injections, uint32_t flags,
uint32_t section_opts, const char *use_date,
const char *input_file, const char *graph_file,
const char *dot_file);
/*!
* \internal
*
* If this global is set to true, simulations will add nodes to the
* CIB configuration section, as well as the status section.
*/
extern bool pcmk__simulate_node_config;
#ifdef __cplusplus
}
#endif
#endif // PCMK__PCMKI_PCMKI_SIMULATE__H
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