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transition.h
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/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
typedef enum {
action_type_pseudo,
action_type_rsc,
action_type_crm
} action_type_e;
typedef struct te_timer_s crm_action_timer_t;
typedef struct synapse_s {
int id;
int priority;
gboolean ready;
gboolean failed;
gboolean executed;
gboolean confirmed;
GListPtr actions; /* crm_action_t* */
GListPtr inputs; /* crm_action_t* */
} synapse_t;
typedef struct crm_action_s {
int id;
int timeout;
int interval;
GHashTable *params;
action_type_e type;
crm_action_timer_t *timer;
synapse_t *synapse;
gboolean sent_update; /* sent to the CIB */
gboolean executed; /* sent to the CRM */
gboolean confirmed;
gboolean failed;
gboolean can_fail;
xmlNode *xml;
} crm_action_t;
enum timer_reason {
timeout_action,
timeout_action_warn,
timeout_abort,
};
struct te_timer_s {
int source_id;
int timeout;
enum timer_reason reason;
crm_action_t *action;
};
/* order matters here */
enum transition_action {
tg_done,
tg_stop,
tg_restart,
tg_shutdown,
};
typedef struct crm_graph_s {
int id;
char *source;
int abort_priority;
gboolean complete;
const char *abort_reason;
enum transition_action completion_action;
int num_actions;
int num_synapses;
int batch_limit;
int network_delay;
int stonith_timeout;
int transition_timeout;
int fired;
int pending;
int skipped;
int completed;
int incomplete;
GListPtr synapses; /* synpase_t* */
int migration_limit;
} crm_graph_t;
typedef struct crm_graph_functions_s {
gboolean(*pseudo) (crm_graph_t * graph, crm_action_t * action);
gboolean(*rsc) (crm_graph_t * graph, crm_action_t * action);
gboolean(*crmd) (crm_graph_t * graph, crm_action_t * action);
gboolean(*stonith) (crm_graph_t * graph, crm_action_t * action);
gboolean(*allowed) (crm_graph_t * graph, crm_action_t * action);
} crm_graph_functions_t;
enum transition_status {
transition_active,
transition_pending, /* active but no actions performed this time */
transition_complete,
transition_stopped,
transition_terminated,
transition_action_failed,
transition_failed,
};
void set_default_graph_functions(void);
void set_graph_functions(crm_graph_functions_t * fns);
crm_graph_t *unpack_graph(xmlNode * xml_graph, const char *reference);
int run_graph(crm_graph_t * graph);
gboolean update_graph(crm_graph_t * graph, crm_action_t * action);
void destroy_graph(crm_graph_t * graph);
const char *transition_status(enum transition_status state);
void print_graph(unsigned int log_level, crm_graph_t * graph);
void print_action(int log_level, const char *prefix, crm_action_t * action);
bool update_abort_priority(crm_graph_t * graph, int priority,
enum transition_action action, const char *abort_reason);
const char *actiontype2text(action_type_e type);
lrmd_event_data_t *convert_graph_action(xmlNode * resource, crm_action_t * action, int status,
int rc);

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