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

#include "conn.h"
#include "cwrmsg.h"
#include "cw_log.h"
#include "capwap.h"
#include "sock.h"
#include "cw_util.h"

struct args {
	struct conn *conn;
	struct cwrmsg *cwrmsg;
};

static int pmessage(void *p, struct cwrmsg *cwrmsg)
{
	struct args *args = (struct args *) p;
	struct conn *conn = args->conn;



	memcpy(&conn->cwrmsg, cwrmsg, sizeof(struct cwrmsg));
	memcpy(conn->cwrmsg_buffer, cwrmsg->msgelems,
	       cwrmsg->msgelems_len);
	conn->cwrmsg.msgelems = conn->cwrmsg_buffer;
	args->cwrmsg = &conn->cwrmsg;
	return 0;
}




struct cwrmsg *conn_get_message(struct conn *conn)
{
	struct args args;
	args.cwrmsg = 0;
	args.conn = conn;
	uint8_t buf[2024];
	int len = 2024;

	int n = conn->read(conn, buf, len);
	if (n > 0)
		conn_process_packet(conn, buf, n, pmessage, &args);


	if (args.cwrmsg) {

		cw_dbg(DBG_CW_MSG,
		       "Received message from %s, type=%d - %s, seq=%d",
		       sock_addr2str(&conn->addr), args.cwrmsg->type,
		       cw_msgtostr(args.cwrmsg->type),
		       args.cwrmsg->seqnum);

	}

	return args.cwrmsg;
}