304.c 2.07 KB
/**
 * \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 <string.h>
#include <stdio.h>
#include <time.h>
#include <sys/stat.h>
#include <fcntl.h>

#include "class.h"
#include "interface/class.h"

#include "http/response.h"
#include "http/message.h"
#include "http/header.h"


HttpResponse
httpResponse304(int handle, const char * content_type)
{
	time_t       t;
	struct tm *  tmp;
	char         buffer[200];
	struct stat  st;
	HttpResponse response;
	HttpMessage  message;

	fstat(handle, &st);

	response = new(HttpResponse, "HTTP/1.1", 304, "Not Modified");
	message  = (HttpMessage)response;

	httpHeaderAdd(&(message->header),
			new(HttpHeader, "Content-Type", content_type));
	httpHeaderAdd(&(message->header),
			new(HttpHeader, "Server", "testserver"));

	message->type  = HTTP_MESSAGE_BUFFERED;
	message->nbody = 0;
	message->body  = NULL;

	tmp = localtime(&(st.st_mtime));
	strftime(buffer, sizeof(buffer), "%s", tmp);
	httpHeaderAdd(&(message->header),
			new(HttpHeader, "ETag", buffer));

	tmp = localtime(&(st.st_mtime));
	strftime(buffer, sizeof(buffer), "%a, %d %b %Y %T %Z", tmp);
	httpHeaderAdd(&(message->header),
			new(HttpHeader, "Last-Modified", buffer));

	t   = time(NULL);
	tmp = localtime(&t);
	strftime(buffer, sizeof(buffer), "%a, %d %b %Y %T %Z", tmp);
	httpHeaderAdd(&(message->header),
			new(HttpHeader, "Date", buffer));

	return response;
}

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