scripts/fetch.c

/*
 * Copyright (C) 2010 Martin Willi
 *
 * Copyright (C) secunet Security Networks AG
 *
 * 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 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * 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.
 */

#include <stdio.h>
#include <unistd.h>

#include <library.h>
#include <utils/debug.h>

static int count = 0;

static bool cb(void *userdata, chunk_t chunk)
{
	if (write(1, chunk.ptr, chunk.len) == chunk.len)
	{
		count++;
		return TRUE;
	}
	return FALSE;
}

int main(int argc, char *argv[])
{
	chunk_t res;

	library_init(NULL, "fetch");
	atexit(library_deinit);
	lib->plugins->load(lib->plugins, PLUGINS);

	if (argc != 3 || (!streq(argv[1], "a") && !streq(argv[1], "s")))
	{
		fprintf(stderr, "usage: %s a|s <url>\n", argv[0]);
		return 1;
	}
	if (streq(argv[1], "a"))
	{
		if (lib->fetcher->fetch(lib->fetcher, argv[2], &res,
								FETCH_END) == SUCCESS)
		{
			ignore_result(write(1, res.ptr, res.len));
			free(res.ptr);
			return 0;
		}
	}
	else
	{
		if (lib->fetcher->fetch(lib->fetcher, argv[2], NULL,
								FETCH_CALLBACK, cb, FETCH_END) == SUCCESS)
		{
			fprintf(stderr, "received %d chunks\n", count);
			return 0;
		}
	}
	return 1;
}