agt_cfg.h

Go to the documentation of this file.

/*
 * Copyright (c) 2008 - 2012, Andy Bierman, All Rights Reserved.
 * Copyright (c) 2012 - 2025, YumaWorks, Inc., All Rights Reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#ifndef _H_agt_cfg
#define _H_agt_cfg
 
/*  FILE: agt_cfg.h
*********************************************************************
*                                                                   *
*                        P U R P O S E                              *
*                                                                   *
*********************************************************************/
 
/*********************************************************************
*                                                                   *
*                  C H A N G E   H I S T O R Y                      *
*                                                                   *
*********************************************************************
 
date         init     comment
----------------------------------------------------------------------
22dec11      abb      begun; split out from ncx/rpc ...
 
*/
 
#include <time.h>
 
#ifndef _H_agt
#include "agt.h"
#endif
 
#ifndef _H_cfg
#include "cfg.h"
#endif
 
#ifndef _H_dlq
#include "dlq.h"
#endif
 
#ifndef _H_ncxtypes
#include "ncxtypes.h"
#endif
 
#ifndef _H_op
#include "op.h"
#endif
 
#ifndef _H_status
#include "status.h"
#endif
 
#ifndef _H_val
#include "val.h"
#endif
 
#ifndef _H_xpath
#include "xpath.h"
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
/********************************************************************
*                                                                   *
*                        C O N S T A N T S                          *
*                                                                   *
*********************************************************************/
 
/* header only */
 
#define AGT_CFG_SET_VALIDATE_DEF(C) (C)->is_validate_def = TRUE
 
#define AGT_CFG_GET_VALIDATE_DEF(C) (C)->is_validate_def
 
#define AGT_CFG_SET_SKIP_SIL(C) (C)->skip_sil = TRUE
 
#define AGT_CFG_GET_SKIP_SIL(C) (C)->skip_sil
 
#define AGT_CFG_SET_SKIP_SIL_PARTIAL(C) (C)->skip_sil_partial = TRUE
 
#define AGT_CFG_GET_SKIP_SIL_PARTIAL(C) (C)->skip_sil_partial
 
#define AGT_CFG_SET_SKIP_SAVE(C) (C)->skip_save = TRUE
 
#define AGT_CFG_GET_SKIP_SAVE(C) (C)->skip_save
 
#define AGT_CFG_GET_COMMENT(C) (C)->comment
 
#define AGT_CFG_SET_COMMENT(C,S) (C)->comment = S
 
#define AGT_CFG_GET_TXCB(M) (M)->rpc_txcb
 
#define AGT_CFG_SET_CUR_SILCALL(C,S) (C)->cur_silcall = S
 
#define AGT_CFG_GET_CUR_SILCALL(C) (C)->cur_silcall
 
#define AGT_CFG_SET_TOP_REPLACE(C) (C)->top_replace = TRUE
 
#define AGT_CFG_IS_TOP_REPLACE(C) (C)->top_replace
 
#define AGT_CFG_NEWMPIDQ(C) &((C)->newmpidQ)
 
#define AGT_CFG_CHECK_REDO(C) (C)->check_redo_root_check
 
#define AGT_CFG_IS_CC_TIMEOUT(C) (C)->is_cc_timeout
 
#define AGT_CFG_TEST_ONLY_CLEANUP(C) (C)->test_only_cleanup
 
/********************************************************************
*                                                                   *
*                            T Y P E S                              *
*                                                                   *
*********************************************************************/
 
 
typedef enum agt_cfg_edit_action_t_ {
    AGT_CFG_EDIT_ACTION_NONE,
 
    AGT_CFG_EDIT_ACTION_ADD,
 
    AGT_CFG_EDIT_ACTION_SET,
 
    AGT_CFG_EDIT_ACTION_MOVE,
 
    AGT_CFG_EDIT_ACTION_REPLACE,
 
    AGT_CFG_EDIT_ACTION_DELETE,
 
    AGT_CFG_EDIT_ACTION_DELETE_DEFAULT
} agt_cfg_edit_action_t;
 
 
typedef enum agt_cfg_edit_type_t_ {
    AGT_CFG_EDIT_TYPE_NONE,   
    AGT_CFG_EDIT_TYPE_FULL,   
    AGT_CFG_EDIT_TYPE_PARTIAL 
} agt_cfg_edit_type_t;
 
 
typedef struct agt_cfg_transaction_t_ {
    dlq_hdr_t            qhdr;
 
    ncx_transaction_id_t txid;
 
    xmlChar             *txid_str;
 
    time_t               timestamp;
 
    agt_cfg_edit_type_t  edit_type;
 
    ncx_cfg_t            cfg_id;
 
    status_t             validate_res;
 
    status_t             apply_res;
 
    status_t             commit_res;
 
    status_t             rollback_res;
 
    op_testop_t          test_option;
 
    boolean              start_bad;
 
    boolean              rootcheck;
 
    boolean              rootcheck_done;
 
    boolean              commitcheck;
 
    boolean              is_validate;
 
    boolean              is_validate_def;
 
    boolean              is_commit;
 
    boolean              is_rollback;
 
    boolean              is_unload;
 
    boolean              is_commit_completeness;
 
    boolean              is_load;
 
    boolean              is_restore;
 
    boolean              is_transhook;
 
    boolean              is_cc_timeout;
 
    boolean              top_replace;
 
    boolean              force_full_root_check;
 
    boolean              check_redo_root_check;
 
    boolean              fill_candidate_failed;
 
    boolean              skip_sil;
 
    boolean              no_txcb_start_comp_cb;
 
    boolean              skip_sil_partial;
 
    boolean              skip_save;
 
    boolean              sethook_mode;
 
    boolean              post_sethook_mode;
 
    boolean              skip_cb;
 
    boolean              hook_merge;
 
    boolean              check_duplicate_silcall;
 
    boolean              root_check_first;
 
    boolean              root_check_first_done;
 
    boolean              silcall_invoke_only_sethook;
 
    boolean               need_reverse_edit;
 
    boolean               test_only_cleanup;
 
    const xmlChar       *comment;
 
    dlq_hdr_t            undoQ;       /* Q of agt_cfg_undo_rec_t */
 
    dlq_hdr_t            auditQ;      /* Q of agt_cfg_audit_rec_t */
 
    dlq_hdr_t            deadnodeQ;   /* Q of ncx_backptr to val_value_t */
 
    /* not used anymore. See def_reg implementation instead for
     * must visit checks
     */
    // dlq_hdr_t            xpath_visitQ;   // backptr to agt_cfg_xpath_visit_t
 
    struct agt_cfg_nested_silcall_t_ *cur_silcall;
 
    dlq_hdr_t            transhookQ;
 
    dlq_hdr_t          newmpidQ;  // Q of backptr to agt_cfg_undo_rec_t
 
    /*** start WITH_YCONTROL=1 fields ***/
 
    dlq_hdr_t           silcallQ;
 
    dlq_hdr_t           silcall_undoQ;
 
    boolean             silcall_undo_mode;
 
    boolean             silcall_done;
 
    boolean             skip_silsa_hooks;
 
    boolean             subsys_add_edit_mode;
 
    boolean             cancel_done;
 
    dlq_hdr_t           added_silcallQ;
 
    /*** end WITH_YCONTROL=1 fields ***/
 
    boolean             enable_force_delete;
 
    dlq_hdr_t           sethookQ;
 
    /* Indicates the current Set Hook in progress.
     * Used in case the Added Edit expands the existing
     * edit in progress.
     */
    struct agt_cfg_set_hook_t_ *current_hook;
 
} YPACK agt_cfg_transaction_t;
 
 
typedef struct agt_cfg_nested_silcall_t_ {
    dlq_hdr_t       qhdr;
 
    op_editop_t     editop;
 
    status_t        validate_res;
 
    status_t        apply_res;
 
    status_t        commit_res;
 
    status_t        rollback_res;
 
    /* the newval is a backptr into the subtree
     * that is really rooted in the undo record that is at
     * the root of this edit.
     */
    val_value_t    *newval;
 
    /* the curval is a backptr into the subtree
     * that is really rooted in the undo record that is at
     * the root of this edit.
     */
    val_value_t    *curval;
 
    obj_template_t *callback_obj;
 
    dlq_hdr_t       nested_silcallQ;
 
    struct agt_cfg_nested_silcall_t_ *parent;
 
    val_value_t    *curval_clone;
 
} YPACK agt_cfg_nested_silcall_t;
 
 
typedef struct agt_cfg_undo_rec_t_ {
    dlq_hdr_t       qhdr;
 
    boolean         free_curnode;
 
    boolean         is_sil_force_replay;
 
    boolean         edit2_merge;
 
    boolean         in_reverse_edit;
 
    boolean         when_force_delete;
 
    boolean         skip_sil_partial;
 
    boolean         parent_is_edit2_merge;
 
    boolean         added_edit;
 
    boolean         skip_cb;
 
    boolean         is_insert;
 
    boolean         is_autodelete;
 
    op_editop_t     editop;
 
    op_editop_t     cvtop;
 
    agt_cfg_edit_action_t edit_action;
 
    val_value_t    *newnode;
 
    val_value_t    *newnode_marker;
 
    val_value_t    *newnode_parent;
 
    val_value_t    *curnode;
 
    val_value_t    *curnode_marker;
 
    val_value_t    *curnode_clone;
 
    val_value_t    *child_undo_curnode_clone;
 
    val_value_t    *parentnode;
 
    agt_cfg_nested_silcall_t *cur_silcall;
 
    val_editvars_t *newnode_editvars;
 
    xmlChar        *save_path;
 
    dlq_hdr_t       extra_deleteQ;   
    dlq_hdr_t       nested_silcallQ;   
    dlq_hdr_t       child_undoQ;   
    status_t        validate_res;
 
    status_t        apply_res;
 
    status_t        sil_apply_res;
 
    status_t        commit_res;
 
    status_t        rollback_res;
 
    boolean         subsys_add_edit;
 
    struct agt_cfg_undo_rec_t_ *orig_rev_undo;
 
    boolean         force_delete;
 
    val_value_t    *hook_parent_clone;
 
    struct agt_cfg_undo_rec_t_ *updated_undo;
 
    boolean         free_newnode;
 
} YPACK agt_cfg_undo_rec_t;
 
 
#ifdef WITH_YCONTROL
 
typedef struct agt_cfg_child_silcall_t_ {
    dlq_hdr_t          qhdr;
 
    op_editop_t        editop;
 
    val_value_t       *newval;
 
    val_value_t       *curval;
 
} YPACK agt_cfg_child_silcall_t;
 
 
typedef struct agt_cfg_silcall_t_ {
    dlq_hdr_t          qhdr;
 
    op_editop_t        editop;
 
    val_value_t       *newval;
 
    val_value_t       *curval;
 
    dlq_hdr_t         *subsysQ;
 
    dlq_hdr_t          keyptrQ;
 
    boolean            hook_edit;
 
    agt_hook_type_t    hook_type;
 
    dlq_hdr_t          child_editQ;
 
} YPACK agt_cfg_silcall_t;
#endif  // WITH_YCONTROL
 
 
typedef struct agt_cfg_audit_rec_t_ {
    dlq_hdr_t       qhdr;
 
    xmlChar        *target;
 
    op_editop_t     editop;
 
    const val_value_t *newval;
 
    const val_value_t *curval;
 
} YPACK agt_cfg_audit_rec_t;
 
 
typedef struct agt_cfg_commit_test_t_ {
    dlq_hdr_t          qhdr;
 
    obj_template_t    *obj;
 
    xpath_pcb_t       *objpcb;
 
    xpath_result_t    *result;
 
    ncx_transaction_id_t result_txid;
 
    ncx_btype_t        btyp;
 
    uint32             testflags;
} YPACK agt_cfg_commit_test_t;
 
 
typedef struct agt_cfg_xpath_visit_t_ {
    dlq_hdr_t          qhdr;
 
    xpath_pcb_t       *xpath;
 
    val_value_t       *valnode;
} YPACK agt_cfg_xpath_visit_t;
 
 
typedef struct agt_cfg_trans_hook_t_ {
    dlq_hdr_t         qhdr;
 
    obj_template_t   *target_obj;
 
    val_value_t      *newval;
 
    val_value_t      *curval;
 
    op_editop_t       editop;
 
    boolean           subtree_mode;
} YPACK agt_cfg_trans_hook_t;
 
 
typedef struct agt_cfg_set_hook_t_ {
    dlq_hdr_t         qhdr;
 
    obj_template_t   *target_obj;
 
    val_value_t      *newval;
 
    val_value_t      *newval_clone;
 
    val_value_t      *curval;
 
    val_value_t      *curval_clone;
 
    op_editop_t       editop;
 
    boolean           expanded;
 
} YPACK agt_cfg_set_hook_t;
 
/********************************************************************
*                                                                   *
*                       F U N C T I O N S                           *
*                                                                   *
*********************************************************************/
 
extern agt_cfg_transaction_t *
    agt_cfg_new_transaction (ncx_cfg_t cfgid,
                             agt_cfg_edit_type_t edit_type,
                             boolean rootcheck,
                             boolean is_validate,
                             boolean is_rollback,
                             status_t *res);
 
 
extern agt_cfg_transaction_t *
    agt_cfg_new_transaction_ex (ncx_cfg_t cfgid,
                                agt_cfg_edit_type_t edit_type,
                                boolean rootcheck,
                                boolean is_validate,
                                boolean is_rollback,
                                boolean no_cb,
                                status_t *res);
 
 
agt_cfg_transaction_t *
    agt_cfg_new_transaction_ex2 (ncx_cfg_t cfgid,
                                 agt_cfg_edit_type_t edit_type,
                                 boolean rootcheck,
                                 boolean is_validate,
                                 boolean is_rollback,
                                 boolean no_cb,
                                 ses_cb_t *scb,
                                 status_t *res);
 
 
extern status_t
    agt_cfg_finish_new_transaction (ses_cb_t *scb,
                                    agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_transaction_t *
    agt_cfg_new_transaction_ex3 (ncx_cfg_t cfgid,
                                 agt_cfg_edit_type_t edit_type,
                                 boolean rootcheck,
                                 boolean is_validate,
                                 boolean is_rollback,
                                 boolean no_cb,
                                 boolean no_silsa_cb,
                                 ses_cb_t *scb,
                                 status_t *res);
 
 
extern agt_cfg_transaction_t *
    agt_cfg_rerun_transaction (ncx_cfg_t cfgid,
                               agt_cfg_edit_type_t edit_type,
                               boolean rootcheck,
                               boolean is_validate,
                               boolean is_rollback,
                               boolean no_silsa_cb,
                               ncx_transaction_id_t txid,
                               ses_cb_t *scb,
                               status_t *res);
 
 
extern void
    agt_cfg_free_transaction (agt_cfg_transaction_t *txcb);
 
 
extern status_t
    agt_cfg_init_transactions (const xmlChar *txidfile,
                               boolean foundfile);
 
 
extern void
    agt_cfg_cleanup_transactions (const xmlChar *txidfile);
 
 
extern ncx_transaction_id_t
    agt_cfg_txid_in_progress (ncx_cfg_t cfgid);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_new_undorec (void);
 
 
extern void
    agt_cfg_init_undorec (agt_cfg_undo_rec_t *undo);
 
 
extern void
    agt_cfg_free_undorec (agt_cfg_undo_rec_t *undo);
 
 
extern void
    agt_cfg_clean_undorec (agt_cfg_undo_rec_t *undo);
 
 
extern agt_cfg_audit_rec_t *
    agt_cfg_new_auditrec (const xmlChar *target,
                          op_editop_t editop);
 
 
extern void
    agt_cfg_free_auditrec (agt_cfg_audit_rec_t *auditrec);
 
 
extern agt_cfg_commit_test_t *
    agt_cfg_new_commit_test (void);
 
 
extern void
    agt_cfg_free_commit_test (agt_cfg_commit_test_t *commit_test);
 
 
extern void
    agt_cfg_set_transaction_commit (agt_cfg_transaction_t *txcb);
 
 
extern void
    agt_cfg_set_transaction_unload (agt_cfg_transaction_t *txcb);
 
 
extern boolean
    agt_cfg_transaction_is_unload (agt_cfg_transaction_t *txcb);
 
 
extern void
    agt_cfg_force_full_root_check (agt_cfg_transaction_t *txcb);
 
 
extern void
    agt_cfg_remove_module_commit_tests (ncx_module_t *mod);
 
 
#ifdef WITH_YCONTROL
extern agt_cfg_silcall_t *
    agt_cfg_new_silcall (op_editop_t editop,
                         val_value_t *newval,
                         val_value_t *curval,
                         dlq_hdr_t *subsysQ);
 
 
extern void
    agt_cfg_free_silcall (agt_cfg_silcall_t *silcall);
 
 
extern status_t
    agt_cfg_add_hook_silcall (agt_cfg_transaction_t *txcb,
                              op_editop_t editop,
                              val_value_t *newval,
                              val_value_t *curval,
                              dlq_hdr_t *subsysQ,
                              val_value_t *callval,
                              agt_hook_type_t hook_type);
 
 
extern status_t
    agt_cfg_add_silcall (agt_cfg_transaction_t *txcb,
                         op_editop_t editop,
                         val_value_t *newval,
                         val_value_t *curval,
                         dlq_hdr_t *subsysQ,
                         val_value_t *callval);
 
 
extern status_t
    agt_cfg_add_edit2_silcall (agt_cfg_transaction_t *txcb,
                               op_editop_t editop,
                               val_value_t *newval,
                               val_value_t *curval,
                               dlq_hdr_t *subsysQ,
                               val_value_t *callval);
 
#endif   // WITH_YCONTROL
 
 
extern status_t
    agt_cfg_add_nested_silcall (agt_cfg_transaction_t *txcb,
                                agt_cfg_undo_rec_t *undo,
                                op_editop_t editop,
                                val_value_t *newval,
                                val_value_t *curval,
                                obj_template_t *callback_obj,
                                boolean indelete,
                                boolean in_reverse_delete,
                                agt_cfg_nested_silcall_t **result);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_find_undo_node (agt_cfg_transaction_t *txcb,
                            val_value_t *newnode,
                            val_value_t *curnode);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_first_child_edit (agt_cfg_transaction_t *txcb,
                              val_value_t *newnode,
                              val_value_t *curnode);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_next_child_edit (agt_cfg_undo_rec_t *curedit);
 
 
extern void
    agt_cfg_child_edit_fields (agt_cfg_undo_rec_t *child_undo,
                               op_editop_t *editop,
                               val_value_t **newval,
                               val_value_t **curval);
 
 
extern void
    agt_cfg_dump_undo (agt_cfg_undo_rec_t *undo);
 
 
extern void
    agt_cfg_restore_newnode (agt_cfg_undo_rec_t *undo);
 
 
extern boolean
    agt_cfg_use_child_undo (agt_cfg_undo_rec_t *undo,
                            agt_cfg_undo_rec_t *child_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_first_undo (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_next_undo (agt_cfg_transaction_t *txcb,
                       agt_cfg_undo_rec_t *cur_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_last_undo (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_prev_undo (agt_cfg_transaction_t *txcb,
                       agt_cfg_undo_rec_t *cur_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_first_child_undo (agt_cfg_undo_rec_t *undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_next_child_undo (agt_cfg_undo_rec_t *cur_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_find_child_undo_node (agt_cfg_undo_rec_t *parent_undo,
                                  val_value_t *newnode,
                                  val_value_t *curnode);
 
 
extern boolean
    agt_cfg_ascendant_lists_check (val_value_t *test_val,
                                   val_value_t *next_parent);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_find_undo_node_slow (agt_cfg_transaction_t *txcb,
                                 val_value_t *newnode,
                                 val_value_t *curnode);
 
 
extern boolean
    agt_cfg_find_duplicate_silcall (agt_cfg_transaction_t *txcb,
                                    val_value_t *newnode,
                                    val_value_t *curnode);
 
 
extern boolean
    agt_cfg_check_parent_edits (agt_cfg_transaction_t *txcb,
                                val_value_t *newnode,
                                val_value_t *curnode);
 
 
extern agt_cfg_trans_hook_t *
    agt_cfg_new_trans_hook (obj_template_t *target_obj,
                            val_value_t *newval,
                            val_value_t *curval,
                            op_editop_t editop);
 
 
extern void
    agt_cfg_free_trans_hook (agt_cfg_trans_hook_t *hook);
 
 
extern agt_cfg_trans_hook_t *
    agt_cfg_first_trans_hook (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_trans_hook_t *
    agt_cfg_next_trans_hook (agt_cfg_trans_hook_t *cur_hook);
 
 
extern agt_cfg_trans_hook_t *
    agt_cfg_last_trans_hook (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_trans_hook_t *
    agt_cfg_prev_trans_hook (agt_cfg_trans_hook_t *cur_hook);
 
 
extern boolean
    agt_cfg_check_hook_created (agt_cfg_transaction_t *txcb,
                                val_value_t *newval,
                                val_value_t *curval);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_first_active_undo (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_next_active_undo (agt_cfg_transaction_t *txcb,
                              agt_cfg_undo_rec_t *cur_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_last_active_undo (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_prev_active_undo (agt_cfg_transaction_t *txcb,
                              agt_cfg_undo_rec_t *cur_undo);
 
 
extern void
    agt_cfg_clear_config_txid (agt_cfg_transaction_t *txcb,
                               cfg_template_t *cfg);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_last_active_child_undo (agt_cfg_transaction_t *txcb,
                                    agt_cfg_undo_rec_t *parent_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_prev_active_child_undo (agt_cfg_transaction_t *txcb,
                                    agt_cfg_undo_rec_t *cur_undo);
 
 
extern agt_cfg_undo_rec_t *
    agt_cfg_find_undo_node_ascendant (agt_cfg_transaction_t *txcb,
                                      val_value_t *newnode,
                                      val_value_t *curnode);
 
 
extern agt_cfg_nested_silcall_t *
    agt_cfg_find_nested_silcall (dlq_hdr_t *silcallQ,
                                 val_value_t *newnode,
                                 val_value_t *curnode);
 
 
extern boolean
    agt_cfg_has_added_edits (agt_cfg_transaction_t *txcb);
 
 
extern boolean
    agt_cfg_undo_match (agt_cfg_undo_rec_t *undo,
                        val_value_t *newnode,
                        val_value_t *curnode);
 
 
extern val_value_t *
    agt_cfg_generate_edit2_newval (agt_cfg_transaction_t *txcb,
                                   val_value_t *newval,
                                   val_value_t *curval);
 
 
extern uint32
    agt_cfg_transaction_edit_count (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_set_hook_t *
    agt_cfg_new_set_hook (obj_template_t *target_obj,
                          val_value_t *newval,
                          val_value_t *curval,
                          op_editop_t editop);
 
 
extern void
    agt_cfg_free_set_hook (agt_cfg_set_hook_t *hook);
 
 
extern agt_cfg_set_hook_t *
    agt_cfg_first_set_hook (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_set_hook_t *
    agt_cfg_next_set_hook (agt_cfg_set_hook_t *cur_hook);
 
 
extern agt_cfg_set_hook_t *
    agt_cfg_get_first_expanded_sethook (agt_cfg_transaction_t *txcb);
 
 
extern agt_cfg_set_hook_t *
    agt_cfg_get_next_expanded_sethook (agt_cfg_set_hook_t *cur_hook);
 
#ifdef __cplusplus
}  /* end extern 'C' */
#endif
 
#endif      /* _H_agt_cfg */