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pcmk_setup.c
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/*
* Copyright 2024 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.
*/
#include <crm_internal.h>
#include <crm/cib/internal.h>
#include <crm/common/output.h>
#include <crm/common/results.h>
#include <crm/common/scheduler.h>
#include <crm/fencing/internal.h>
#include <pacemaker-internal.h>
#include <pacemaker.h>
#include "libpacemaker_private.h"
/*!
* \internal
* \brief Set up a pcmk__output_t, (optionally) cib_t, and
* (optionally) pcmk_scheduler_t for use in implementing
* public/private API function pairs
*
* \param[in,out] out Where to store a \c pcmk__output_t object
* \param[in,out] cib Where to store a \c cib_t object
* (may be \c NULL if a CIB is not needed)
* \param[in,out] scheduler Where to store a \c pcmk_scheduler_t object
* (may be \c NULL if a scheduler is not needed)
* \param[in,out] xml Where to write any result XML
*
* \note The \p cib and \p scheduler arguments will only be valid if there
* are no errors in this function. However, \p out will always be
* valid unless there are errors setting it up so that other errors
* may still be reported.
*
* \return Standard Pacemaker return code
*/
int
pcmk__setup_output_cib_sched(pcmk__output_t **out, cib_t **cib,
pcmk_scheduler_t **scheduler, xmlNode **xml)
{
int rc = pcmk_rc_ok;
rc = pcmk__xml_output_new(out, xml);
if (rc != pcmk_rc_ok) {
return rc;
}
if (cib != NULL) {
*cib = cib_new();
if (*cib == NULL) {
return pcmk_rc_cib_corrupt;
}
rc = (*cib)->cmds->signon(*cib, crm_system_name, cib_command);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
cib__clean_up_connection(cib);
return rc;
}
}
if (scheduler != NULL) {
rc = pcmk__init_scheduler(*out, NULL, NULL, scheduler);
if (rc != pcmk_rc_ok && cib != NULL) {
cib__clean_up_connection(cib);
return rc;
}
pcmk__unpack_constraints(*scheduler);
}
pcmk__register_lib_messages(*out);
return rc;
}
/*!
* \internal
* \brief Set up a pcmk__output_t and stonith_t for use in implementing
* public/private API function pairs
*
* \param[in,out] out Where to store a \c pcmk__output_t object
* \param[in,out] st Where to store a \c stonith_t object
* \param[in,out] xml Where to write any result XML
*
* \note The \p st argument will only be valid if there are no errors in this
* function. However, \p out will always be valid unless there are
* errors setting it up so that other errors may still be reported.
*
* \return Standard Pacemaker return code
*/
int
pcmk__setup_output_fencing(pcmk__output_t **out, stonith_t **st, xmlNode **xml)
{
int rc = pcmk_rc_ok;
rc = pcmk__xml_output_new(out, xml);
if (rc != pcmk_rc_ok) {
return rc;
}
*st = stonith_api_new();
if (*st == NULL) {
return ENOMEM;
}
rc = (*st)->cmds->connect(*st, crm_system_name, NULL);
if (rc < 0) {
rc = pcmk_legacy2rc(rc);
stonith_api_delete(*st);
return rc;
}
pcmk__register_lib_messages(*out);
stonith__register_messages(*out);
return rc;
}

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