/*
  * $Id$
  *
  * Copyright (C) 2007 Elena-Ramona Modroiu
  *

  * This file is part of Kamailio, a free SIP server.

  *

  * Kamailio 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
  *

  * Kamailio 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 program; if not, write to the Free Software 
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  */
 
 #ifndef _SHVAR_H_
 #define _SHVAR_H_
 
 #include "../../sr_module.h"
 #include "../../locking.h"

 #include "../../lib/kmi/mi.h"

 #include "pv_svar.h"

 
 typedef struct sh_var {
 	int n;                  /* Index of the variable */
 	str name;               /* Name of the variable */
 	script_val_t v;         /* Value of the variable */
 #ifdef GEN_LOCK_T_PREFERED
 	gen_lock_t *lock;       /* Lock for hash entry - fastlock */
 #else
 	int lockidx;            /* Lock index for hash entry - the rest*/
 #endif
 	struct sh_var *next;
 } sh_var_t, *sh_var_p;
 
 int init_shvars(void);
 sh_var_t* set_shvar_value(sh_var_t *shv, int_str *value, int flags);
 sh_var_t* get_shvar_by_name(str *name);
 

 void reset_shvars(void);
 void destroy_shvars(void);

 
 #ifndef GEN_LOCK_T_PREFERED
 void shvar_lock_idx(int idx);
 void shvar_release_idx(int idx);
 #endif
 
 void lock_shvar(sh_var_t *shv);
 void unlock_shvar(sh_var_t *shv);
 
 int pv_parse_shvar_name(pv_spec_p sp, str *in);
 int pv_get_shvar(struct sip_msg *msg,  pv_param_t *param, pv_value_t *res);
 int pv_set_shvar(struct sip_msg* msg, pv_param_t *param, int op,
 		pv_value_t *val);
 
 int shvar_init_locks(void);
 void shvar_destroy_locks(void);
 
 struct mi_root* mi_shvar_get(struct mi_root* cmd_tree, void* param);
 struct mi_root* mi_shvar_set(struct mi_root* cmd_tree, void* param);
 

 int param_set_var( modparam_t type, void* val);

 int param_set_shvar( modparam_t type, void* val);
 
 #endif