internal.h

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/*
 * Copyright 2004-2023 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 CIB_INTERNAL__H
#  define CIB_INTERNAL__H
#  include <crm/cib.h>
#  include <crm/common/ipc_internal.h>
#  include <crm/common/output_internal.h>

// Request types for CIB manager IPC/CPG
#define PCMK__CIB_REQUEST_SECONDARY     "cib_slave"
#define PCMK__CIB_REQUEST_PRIMARY       "cib_master"
#define PCMK__CIB_REQUEST_SYNC_TO_ALL   "cib_sync"
#define PCMK__CIB_REQUEST_SYNC_TO_ONE   "cib_sync_one"
#define PCMK__CIB_REQUEST_IS_PRIMARY    "cib_ismaster"
#define PCMK__CIB_REQUEST_BUMP          "cib_bump"
#define PCMK__CIB_REQUEST_QUERY         "cib_query"
#define PCMK__CIB_REQUEST_CREATE        "cib_create"
#define PCMK__CIB_REQUEST_MODIFY        "cib_modify"
#define PCMK__CIB_REQUEST_DELETE        "cib_delete"
#define PCMK__CIB_REQUEST_ERASE         "cib_erase"
#define PCMK__CIB_REQUEST_REPLACE       "cib_replace"
#define PCMK__CIB_REQUEST_APPLY_PATCH   "cib_apply_diff"
#define PCMK__CIB_REQUEST_UPGRADE       "cib_upgrade"
#define PCMK__CIB_REQUEST_ABS_DELETE    "cib_delete_alt"
#define PCMK__CIB_REQUEST_NOOP          "noop"
#define PCMK__CIB_REQUEST_SHUTDOWN      "cib_shutdown_req"
#define PCMK__CIB_REQUEST_COMMIT_TRANSACT   "cib_commit_transact"

#  define F_CIB_CLIENTID  "cib_clientid"
#  define F_CIB_CALLOPTS  "cib_callopt"
#  define F_CIB_CALLID    "cib_callid"
#  define F_CIB_CALLDATA  "cib_calldata"
#  define F_CIB_OPERATION "cib_op"
#  define F_CIB_ISREPLY   "cib_isreplyto"
#  define F_CIB_SECTION   "cib_section"
#  define F_CIB_HOST    "cib_host"
#  define F_CIB_RC  "cib_rc"
#  define F_CIB_UPGRADE_RC      "cib_upgrade_rc"
#  define F_CIB_DELEGATED   "cib_delegated_from"
#  define F_CIB_OBJID   "cib_object"
#  define F_CIB_OBJTYPE "cib_object_type"
#  define F_CIB_EXISTING    "cib_existing_object"
#  define F_CIB_SEENCOUNT   "cib_seen"
#  define F_CIB_TIMEOUT "cib_timeout"
#  define F_CIB_UPDATE  "cib_update"
#  define F_CIB_GLOBAL_UPDATE   "cib_update"
#  define F_CIB_UPDATE_RESULT   "cib_update_result"
#  define F_CIB_CLIENTNAME  "cib_clientname"
#  define F_CIB_NOTIFY_TYPE "cib_notify_type"
#  define F_CIB_NOTIFY_ACTIVATE "cib_notify_activate"
#  define F_CIB_UPDATE_DIFF "cib_update_diff"
#  define F_CIB_USER        "cib_user"
#  define F_CIB_LOCAL_NOTIFY_ID "cib_local_notify_id"
#  define F_CIB_PING_ID         "cib_ping_id"
#  define F_CIB_SCHEMA_MAX      "cib_schema_max"

#  define T_CIB         "cib"
#  define T_CIB_COMMAND     "cib_command"
#  define T_CIB_NOTIFY      "cib_notify"
/* notify sub-types */
#  define T_CIB_PRE_NOTIFY  "cib_pre_notify"
#  define T_CIB_POST_NOTIFY "cib_post_notify"
#  define T_CIB_TRANSACTION "cib_transaction"
#  define T_CIB_UPDATE_CONFIRM  "cib_update_confirmation"

enum cib__op_attr {
    cib__op_attr_none           = 0,        
    cib__op_attr_modifies       = (1 << 1), 
    cib__op_attr_privileged     = (1 << 2), 
    cib__op_attr_local          = (1 << 3), 
    cib__op_attr_replaces       = (1 << 4), 
    cib__op_attr_writes_through = (1 << 5), 
    cib__op_attr_transaction    = (1 << 6), 
};

enum cib__op_type {
    cib__op_abs_delete,
    cib__op_apply_patch,
    cib__op_bump,
    cib__op_commit_transact,
    cib__op_create,
    cib__op_delete,
    cib__op_erase,
    cib__op_is_primary,
    cib__op_modify,
    cib__op_noop,
    cib__op_ping,
    cib__op_primary,
    cib__op_query,
    cib__op_replace,
    cib__op_secondary,
    cib__op_shutdown,
    cib__op_sync_all,
    cib__op_sync_one,
    cib__op_upgrade,
};

gboolean cib_diff_version_details(xmlNode * diff, int *admin_epoch, int *epoch, int *updates,
                                  int *_admin_epoch, int *_epoch, int *_updates);

gboolean cib_read_config(GHashTable * options, xmlNode * current_cib);

typedef int (*cib__op_fn_t)(const char *, int, const char *, xmlNode *,
                            xmlNode *, xmlNode *, xmlNode **, xmlNode **);

typedef struct cib__operation_s {
    const char *name;
    enum cib__op_type type;
    uint32_t flags; 
} cib__operation_t;

typedef struct cib_notify_client_s {
    const char *event;
    const char *obj_id;         /* implement one day */
    const char *obj_type;       /* implement one day */
    void (*callback) (const char *event, xmlNode * msg);

} cib_notify_client_t;

typedef struct cib_callback_client_s {
    void (*callback) (xmlNode *, int, int, xmlNode *, void *);
    const char *id;
    void *user_data;
    gboolean only_success;
    struct timer_rec_s *timer;
    void (*free_func)(void *);
} cib_callback_client_t;

struct timer_rec_s {
    int call_id;
    int timeout;
    guint ref;
    cib_t *cib;
};

#define cib__set_call_options(cib_call_opts, call_for, flags_to_set) do {   \
        cib_call_opts = pcmk__set_flags_as(__func__, __LINE__,              \
            LOG_TRACE, "CIB call", (call_for), (cib_call_opts),             \
            (flags_to_set), #flags_to_set); \
    } while (0)

#define cib__clear_call_options(cib_call_opts, call_for, flags_to_clear) do {  \
        cib_call_opts = pcmk__clear_flags_as(__func__, __LINE__,               \
            LOG_TRACE, "CIB call", (call_for), (cib_call_opts),                \
            (flags_to_clear), #flags_to_clear);                                \
    } while (0)

cib_t *cib_new_variant(void);

static inline bool
cib__client_triggers_refresh(const char *name)
{
    return !crm_is_daemon_name(name)
           && !pcmk__str_any_of(name,
                                "attrd_updater",
                                "crm_attribute",
                                "crm_node",
                                "crm_resource",
                                "crm_ticket",
                                NULL);
}

int cib__get_notify_patchset(const xmlNode *msg, const xmlNode **patchset);

bool cib__element_in_patchset(const xmlNode *patchset, const char *element);

int cib_perform_op(const char *op, int call_options, cib__op_fn_t fn,
                   bool is_query, const char *section, xmlNode *req,
                   xmlNode *input, bool manage_counters, bool *config_changed,
                   xmlNode **current_cib, xmlNode **result_cib, xmlNode **diff,
                   xmlNode **output);

int cib__create_op(cib_t *cib, const char *op, const char *host,
                   const char *section, xmlNode *data, int call_options,
                   const char *user_name, const char *client_name,
                   xmlNode **op_msg);

int cib__extend_transaction(cib_t *cib, xmlNode *request);

void cib_native_callback(cib_t * cib, xmlNode * msg, int call_id, int rc);
void cib_native_notify(gpointer data, gpointer user_data);

int cib__get_operation(const char *op, const cib__operation_t **operation);

int cib_process_query(const char *op, int options, const char *section, xmlNode * req,
                      xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                      xmlNode ** answer);

int cib_process_erase(const char *op, int options, const char *section, xmlNode * req,
                      xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                      xmlNode ** answer);

int cib_process_bump(const char *op, int options, const char *section, xmlNode * req,
                     xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                     xmlNode ** answer);

int cib_process_replace(const char *op, int options, const char *section, xmlNode * req,
                        xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                        xmlNode ** answer);

int cib_process_create(const char *op, int options, const char *section, xmlNode * req,
                       xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                       xmlNode ** answer);

int cib_process_modify(const char *op, int options, const char *section, xmlNode * req,
                       xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                       xmlNode ** answer);

int cib_process_delete(const char *op, int options, const char *section, xmlNode * req,
                       xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                       xmlNode ** answer);

int cib_process_diff(const char *op, int options, const char *section, xmlNode * req,
                     xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                     xmlNode ** answer);

int cib_process_upgrade(const char *op, int options, const char *section, xmlNode * req,
                        xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib,
                        xmlNode ** answer);

int cib_process_xpath(const char *op, int options, const char *section,
                      const xmlNode *req, xmlNode *input, xmlNode *existing_cib,
                      xmlNode **result_cib, xmlNode ** answer);

bool cib__config_changed_v1(xmlNode *last, xmlNode *next, xmlNode **diff);

int cib_internal_op(cib_t * cib, const char *op, const char *host,
                    const char *section, xmlNode * data,
                    xmlNode ** output_data, int call_options, const char *user_name);


int cib_file_read_and_verify(const char *filename, const char *sigfile,
                             xmlNode **root);
int cib_file_write_with_digest(xmlNode *cib_root, const char *cib_dirname,
                               const char *cib_filename);

void cib__set_output(cib_t *cib, pcmk__output_t *out);

cib_callback_client_t* cib__lookup_id (int call_id);

int cib__signon_query(pcmk__output_t *out, cib_t **cib, xmlNode **cib_object);

int cib__clean_up_connection(cib_t **cib);

int cib__update_node_attr(pcmk__output_t *out, cib_t *cib, int call_options,
                          const char *section, const char *node_uuid, const char *set_type,
                          const char *set_name, const char *attr_id, const char *attr_name,
                          const char *attr_value, const char *user_name,
                          const char *node_type);

int cib__get_node_attrs(pcmk__output_t *out, cib_t *cib, const char *section,
                        const char *node_uuid, const char *set_type, const char *set_name,
                        const char *attr_id, const char *attr_name, const char *user_name,
                        xmlNode **result);

int cib__delete_node_attr(pcmk__output_t *out, cib_t *cib, int options,
                          const char *section, const char *node_uuid, const char *set_type,
                          const char *set_name, const char *attr_id, const char *attr_name,
                          const char *attr_value, const char *user_name);

#endif