/**
 * \file
 *
 * \author	Georg Hopp
 *
 * \copyright
 * Copyright (C) 2012  Georg Hopp
 *
 * This program 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.
 *
 * This program 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, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>

#include "http/header.h"
#include "http/message.h"
#include "http/request/parser.h"
#include "cbuf.h"

#define MAX(a,b)	(((a) > (b))? (a) : (b))


#define MAX(x,y)    ((x) > (y) ? (x) : (y))


/**
 * @TODO: not final...input buffer handling not final
 */
void
httpRequestParserGetBody(HttpRequestParser this)
{
	HttpMessage message = (HttpMessage)(this->cur_request);
	size_t len;

	if (0 == message->nbody) {
		HttpHeader clen = httpHeaderGet(
				&(message->header),
				"Content-Length",
				sizeof("Content-Length")-1);

		if (NULL == clen) {
			this->state = HTTP_REQUEST_DONE;
			return;
		}
		else {
			message->type  = HTTP_MESSAGE_BUFFERED;
	 		message->nbody = atoi((clen->value)[0]);
			if (0 < message->nbody) {
				message->body  = malloc(message->nbody);
			}
			message->dbody = 0;
		}
	}
	this->buffer->bused  -= len;

	if (message->dbody < message->nbody) {
		len = MAX(
				message->nbody - message->dbody,
				this->buffer->bused);

		memcpy(message->body, cbufGetData(this->buffer, len), len);

		message->dbody += len;
	}
}

// vim: set ts=4 sw=4: