/*
    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 cw_put_msg.
 */ 

#include "capwap.h"
#include "capwap_items.h"
#include "conn.h"

#include "cw_log.h"


/**
 * Put a message to a buffer
 * This functions assumes, that a message header with is
 * alread initilaized in buffer 
 * Message alements are taken fom actiondef in #conn->action
 */
int cw_put_msg(struct conn *conn, uint8_t * rawout)
{

	/* rawout is already initialized, so we can get 
	   msg type from buffer */
	uint8_t *msgptr = rawout + cw_get_hdr_msg_offset(rawout);


	/* create search paramaters */
	cw_action_out_t as;

	as.msg_id = cw_get_msg_type(msgptr);
	as.item_id = CW_ITEM_NONE;
	as.vendor_id = 0;

	uint8_t *dst = msgptr+8;

	DEFINE_AVLITER(i,conn->actions->out);

	cw_action_out_t *am;

	if (! (am=avliter_seek(&i,&as))){
		cw_log(LOG_ERR,"Error: Can't create message of type %d (%s) - no definition found.",
			as.msg_id,cw_strmsg(as.msg_id));
		return -1;
	}

	cw_action_out_t *ae;
	int len = 0;
	while(NULL != (ae=avliter_next(&i))) {

		printf("Put %d %d\n",ae->msg_id,ae->elem_id);

		if (ae->msg_id != as.msg_id) {
			/* Element is from next msg, close action */
			break;
		}

		if (ae->out) {
			len += ae->out(conn, ae, dst+len); 
		}

	};


	cw_set_msg_elems_len(msgptr, len);
	return len;
}