/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
*
* unit tests for PGM packet handling.
*
* Copyright (c) 2009-2010 Miru Limited.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <signal.h>
#include <stdbool.h>
#include <stdlib.h>
#include <glib.h>
#include <check.h>
/* mock state */
#define PACKET_DEBUG
#include "packet_test.c"
static
struct pgm_sk_buff_t*
generate_raw_pgm (void)
{
const char source[] = "i am not a string";
const guint source_len = sizeof(source);
struct pgm_sk_buff_t* skb;
GError* err = NULL;
skb = pgm_alloc_skb (1500);
skb->sock = (pgm_sock_t*)0x1;
skb->tstamp = 0x1;
skb->data = skb->head;
skb->len = sizeof(struct pgm_ip) + sizeof(struct pgm_header) + sizeof(struct pgm_data) + source_len;
skb->tail = (guint8*)skb->data + skb->len;
/* add IP header */
struct pgm_ip* iphdr = skb->data;
iphdr->ip_hl = sizeof(struct pgm_ip) / 4;
iphdr->ip_v = 4;
iphdr->ip_tos = 0;
iphdr->ip_len = g_htons (skb->len);
iphdr->ip_id = 0;
iphdr->ip_off = 0;
iphdr->ip_ttl = 16;
iphdr->ip_p = IPPROTO_PGM;
iphdr->ip_sum = 0;
iphdr->ip_src.s_addr = inet_addr ("127.0.0.1");
iphdr->ip_dst.s_addr = inet_addr ("127.0.0.2");
/* add PGM header */
struct pgm_header* pgmhdr = (gpointer)(iphdr + 1);
pgmhdr->pgm_sport = g_htons ((guint16)1000);
pgmhdr->pgm_dport = g_htons ((guint16)7500);
pgmhdr->pgm_type = PGM_ODATA;
pgmhdr->pgm_options = 0;
pgmhdr->pgm_gsi[0] = 1;
pgmhdr->pgm_gsi[1] = 2;
pgmhdr->pgm_gsi[2] = 3;
pgmhdr->pgm_gsi[3] = 4;
pgmhdr->pgm_gsi[4] = 5;
pgmhdr->pgm_gsi[5] = 6;
pgmhdr->pgm_tsdu_length = g_htons (source_len);
/* add ODATA header */
struct pgm_data* datahdr = (gpointer)(pgmhdr + 1);
datahdr->data_sqn = g_htonl ((guint32)0);
datahdr->data_trail = g_htonl ((guint32)-1);
/* add payload */
gpointer data = (gpointer)(datahdr + 1);
memcpy (data, source, source_len);
/* finally PGM checksum */
pgmhdr->pgm_checksum = 0;
pgmhdr->pgm_checksum = pgm_csum_fold (pgm_csum_partial (pgmhdr, sizeof(struct pgm_header) + sizeof(struct pgm_data) + source_len, 0));
/* and IP checksum */
iphdr->ip_sum = pgm_inet_checksum (skb->head, skb->len, 0);
return skb;
}
/* mock functions for external references */
size_t
pgm_pkt_offset (
const bool can_fragment,
const sa_family_t pgmcc_family /* 0 = disable */
)
{
return 0;
}
/* target:
* gboolean
* pgm_print_packet (
* gpointer data,
* gsize len
* )
*/
START_TEST (test_print_packet_pass_001)
{
struct pgm_sk_buff_t* skb = generate_raw_pgm ();
pgm_print_packet (skb->head, skb->len);
}
END_TEST
START_TEST (test_print_packet_fail_001)
{
pgm_print_packet (NULL, 0);
fail ("reached");
}
END_TEST
static
Suite*
make_test_suite (void)
{
Suite* s;
s = suite_create (__FILE__);
TCase* tc_print_packet = tcase_create ("print-packet");
suite_add_tcase (s, tc_print_packet);
tcase_add_test (tc_print_packet, test_print_packet_pass_001);
tcase_add_test_raise_signal (tc_print_packet, test_print_packet_fail_001, SIGABRT);
return s;
}
static
Suite*
make_master_suite (void)
{
Suite* s = suite_create ("Master");
return s;
}
int
main (void)
{
SRunner* sr = srunner_create (make_master_suite ());
srunner_add_suite (sr, make_test_suite ());
srunner_run_all (sr, CK_ENV);
int number_failed = srunner_ntests_failed (sr);
srunner_free (sr);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
/* eof */
