/*
    This file is part of libcapwap.

    libcapwap 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 3 of the License, or
    (at your option) any later version.

    libcapwap 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.

*/

/**
 * @file
 * @brief Implementation of methods for actionlists.
 */ 


#include <stdlib.h>
#include <string.h>

#include "action.h"

static inline int cw_action_in_cmp(const void *elem1,const void *elem2)
{
	struct cw_action_in * e1 = (struct cw_action_in*)elem1;
	struct cw_action_in * e2 = (struct cw_action_in*)elem2;
	int r; 

	r = e1->msg_id - e2->msg_id;
	if (r!=0)
		return r;

	r = e1->capwap_state - e2->capwap_state;
	if (r!=0)
		return r;

	r = e1->elem_id - e2->elem_id;
	if (r!=0)
		return r;

	r = e1->vendor_id - e2->vendor_id;
	if (r!=0)
		return r;

	r = e1->proto - e2->proto;
	if (r!=0)
		return r;



	return 0;
}


cw_action_in_t * cw_actionlist_in_add(cw_actionlist_in_t t, struct cw_action_in * a)
{
	return cw_actionlist_add(t,a,sizeof(struct cw_action_in));
}


struct cw_action_in * cw_actionlist_in_get(cw_actionlist_in_t t,struct cw_action_in *a)
{
	return avltree_get(t,a);
}


cw_actionlist_in_t cw_actionlist_in_create()
{
	return avltree_create(cw_action_in_cmp,free);
}


int cw_actionlist_in_register_actions(cw_actionlist_in_t t,cw_action_in_t * actions)
{
	while(actions->capwap_state){
		cw_action_in_t * rc = cw_actionlist_in_add(t,actions);
		if (rc==0) 
			return 0;	
		actions++;
	}
	return 1;
}

int cw_actionlist_out_register_actions(cw_actionlist_out_t t,cw_action_out_t * actions)
{
	while(actions->msg_id!=0){
		cw_action_out_t * rc = cw_actionlist_out_add(t,actions);
		if (rc==0) 
			return 0;	
		actions++;
	}
	return 1;
}




/* 
 * Compare function for actionlist_out_t lists
 */ 
static int cw_action_out_cmp(const void *elem1,const void *elem2)
{
	struct cw_action_out * e1 = (struct cw_action_out*)elem1;
	struct cw_action_out * e2 = (struct cw_action_out*)elem2;
	int r; 

	r = e1->msg_id - e2->msg_id;
	if (r!=0)
		return r;

	r = e1->item_id - e2->item_id;
	if (r!=0)
		return r;

	r = e1->vendor_id - e2->vendor_id;
	if (r!=0)
		return r;

	return 0;
}



/**
 * Add an action to an action 
 * @param t actionlist
 * @param a action to add
 * @param s size of element to add
 * @return pointer to added element or NULL if an error has opccured
 */ 
void * cw_actionlist_add(struct avltree *t, void *a, size_t s)
{
	void * r = avltree_replace_data(t,a,sizeof(struct cw_action_in));
	if (r)
		return r;
	
	void *an = malloc(sizeof(struct cw_action_in));
	if (!an)
		return NULL;

	memcpy(an,a,s);
	return  avltree_add(t,an);

}


/**
 * Create an action list for outgoing message lements
 * @return the created action list or NULL if an erro has occured.
 */ 
cw_actionlist_out_t cw_actionlist_out_create()
{
	return avltree_create(cw_action_out_cmp,free);
}


cw_action_out_t * cw_actionlist_out_add(cw_actionlist_out_t t, struct cw_action_out * a)
{
	return cw_actionlist_add(t,a,sizeof (struct cw_action_out));
}