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Worked on tcp_oos unit tests, nearly all TCP_QUEUE_OOS code is covered now

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This commit is contained in:
goldsimon 2009-11-29 13:20:13 +00:00
parent aeef0a21f3
commit c5d2e536cf
2 changed files with 167 additions and 5 deletions
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5
test/unit/tcp/tcp_helper.c
View File

@ -33,6 +33,8 @@ tcp_remove_all(void)
tcp_remove(tcp_tw_pcbs);
fail_unless(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
fail_unless(lwip_stats.memp[MEMP_TCP_PCB_LISTEN].used == 0);
fail_unless(lwip_stats.memp[MEMP_TCP_SEG].used == 0);
fail_unless(lwip_stats.memp[MEMP_PBUF_POOL].used == 0);
}
/** Create a TCP segment usable for passing to tcp_input
@ -56,8 +58,9 @@ tcp_create_segment(struct ip_addr* src_ip, struct ip_addr* dst_ip,
struct pbuf* p;
struct ip_hdr* iphdr;
struct tcp_hdr* tcphdr;
u16_t pbuf_len = sizeof(struct ip_hdr) + sizeof(struct tcp_hdr) + data_len;
p = pbuf_alloc(PBUF_RAW, sizeof(struct ip_hdr) + sizeof(struct tcp_hdr) + data_len, PBUF_RAM);
p = pbuf_alloc(PBUF_RAW, pbuf_len, PBUF_POOL);
EXPECT_RETNULL(p != NULL);
EXPECT_RETNULL(p->next == NULL);

167
test/unit/tcp/test_tcp_oos.c
View File

@ -31,8 +31,9 @@ tcp_oos_teardown(void)
/* Test functions */
/** create multiple segments and pass them to tcp_input in a wrong
* order to see if ooseq-caching works correctly */
START_TEST(test_tcp_recv_ooseq)
* order to see if ooseq-caching works correctly
* FIN is received in out-of-sequence segments only */
START_TEST(test_tcp_recv_ooseq_FIN_OOSEQ)
{
struct test_tcp_counters counters;
struct tcp_pcb* pcb;
@ -82,7 +83,8 @@ START_TEST(test_tcp_recv_ooseq)
EXPECT(p1 != NULL);
EXPECT(p2 != NULL);
EXPECT(p3 != NULL);
if ((pinseq != NULL) && (p1 != NULL) && (p2 != NULL) && (p3 != NULL)) {
EXPECT(p4 != NULL);
if ((pinseq != NULL) && (p1 != NULL) && (p2 != NULL) && (p3 != NULL) && (p4 != NULL)) {
/* pass the segment to tcp_input */
tcp_input(p1, &netif);
/* check if counters are as expected */
@ -137,12 +139,169 @@ START_TEST(test_tcp_recv_ooseq)
END_TEST
/** create multiple segments and pass them to tcp_input in a wrong
* order to see if ooseq-caching works correctly
* FIN is received IN-SEQUENCE at the end */
START_TEST(test_tcp_recv_ooseq_FIN_INSEQ)
{
struct test_tcp_counters counters;
struct tcp_pcb* pcb;
struct pbuf *p1, *p2, *p3, *p4, *p5, *p6, *pinseq, *pinseqFIN;
char data[] = {
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16};
struct ip_addr remote_ip, local_ip;
u16_t data_len;
u16_t remote_port = 0x100, local_port = 0x101;
struct netif netif;
LWIP_UNUSED_ARG(_i);
/* initialize local vars */
memset(&netif, 0, sizeof(netif));
IP4_ADDR(&local_ip, 192, 168, 1, 1);
IP4_ADDR(&remote_ip, 192, 168, 1, 2);
data_len = sizeof(data);
/* initialize counter struct */
memset(&counters, 0, sizeof(counters));
counters.expected_data_len = data_len;
counters.expected_data = data;
/* create and initialize the pcb */
pcb = test_tcp_new_counters_pcb(&counters);
EXPECT_RET(pcb != NULL);
tcp_set_state(pcb, ESTABLISHED, &local_ip, &remote_ip, local_port, remote_port);
/* create segments */
/* p1: 7 bytes - 2 before FIN */
/* seqno: 1..2 */
p1 = tcp_create_rx_segment(pcb, &data[1], 2, 1, 0, TCP_ACK);
/* p2: 4 bytes before p1, including the first 4 bytes of p1 (partly duplicate) */
/* seqno: 4..11 */
p2 = tcp_create_rx_segment(pcb, &data[4], 8, 4, 0, TCP_ACK);
/* p3: same as p2 but 2 bytes longer and one byte more at the front */
/* seqno: 3..13 */
p3 = tcp_create_rx_segment(pcb, &data[3], 11, 3, 0, TCP_ACK);
/* p4: 13 bytes - 2 before FIN - should be ignored as contained in p1 and p3 */
/* seqno: 2..13 */
p4 = tcp_create_rx_segment(pcb, &data[2], 12, 2, 0, TCP_ACK);
/* pinseq is the first segment that is held back to create ooseq! */
/* seqno: 0..3 */
pinseq = tcp_create_rx_segment(pcb, &data[0], 4, 0, 0, TCP_ACK);
/* p5: last byte before FIN */
/* seqno: 15 */
p5 = tcp_create_rx_segment(pcb, &data[15], 1, 15, 0, TCP_ACK);
/* p6: same as p5, should be ignored */
p6 = tcp_create_rx_segment(pcb, &data[15], 1, 15, 0, TCP_ACK);
/* pinseqFIN: last 2 bytes plus FIN */
/* only segment containing seqno 14 and FIN */
pinseqFIN = tcp_create_rx_segment(pcb, &data[14], 2, 14, 0, TCP_ACK|TCP_FIN);
EXPECT(pinseq != NULL);
EXPECT(p1 != NULL);
EXPECT(p2 != NULL);
EXPECT(p3 != NULL);
EXPECT(p4 != NULL);
EXPECT(p5 != NULL);
EXPECT(p6 != NULL);
EXPECT(pinseqFIN != NULL);
if ((pinseq != NULL) && (p1 != NULL) && (p2 != NULL) && (p3 != NULL) && (p4 != NULL)
&& (p5 != NULL) && (p6 != NULL) && (pinseqFIN != NULL)) {
/* pass the segment to tcp_input */
tcp_input(p1, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 0);
EXPECT(counters.recved_bytes == 0);
EXPECT(counters.err_calls == 0);
/* @todo check ooseq queue? */
/* pass the segment to tcp_input */
tcp_input(p2, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 0);
EXPECT(counters.recved_bytes == 0);
EXPECT(counters.err_calls == 0);
/* @todo check ooseq queue? */
/* pass the segment to tcp_input */
tcp_input(p3, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 0);
EXPECT(counters.recved_bytes == 0);
EXPECT(counters.err_calls == 0);
/* @todo check ooseq queue? */
/* pass the segment to tcp_input */
tcp_input(p4, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 0);
EXPECT(counters.recved_bytes == 0);
EXPECT(counters.err_calls == 0);
/* @todo check ooseq queue? */
/* pass the segment to tcp_input */
tcp_input(pinseq, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 1);
EXPECT(counters.recved_bytes == 14);
EXPECT(counters.err_calls == 0);
EXPECT(pcb->ooseq == NULL);
/* pass the segment to tcp_input */
tcp_input(p5, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 1);
EXPECT(counters.recved_bytes == 14);
EXPECT(counters.err_calls == 0);
/* @todo check ooseq queue? */
EXPECT(pcb->ooseq != NULL);
if(pcb->ooseq != NULL) {
EXPECT(pcb->ooseq->next == NULL);
}
/* pass the segment to tcp_input */
tcp_input(p6, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 0);
EXPECT(counters.recv_calls == 1);
EXPECT(counters.recved_bytes == 14);
EXPECT(counters.err_calls == 0);
/* @todo check ooseq queue? */
EXPECT(pcb->ooseq != NULL);
if(pcb->ooseq != NULL) {
EXPECT(pcb->ooseq->next == NULL);
}
/* pass the segment to tcp_input */
tcp_input(pinseqFIN, &netif);
/* check if counters are as expected */
EXPECT(counters.close_calls == 1);
EXPECT(counters.recv_calls == 2);
EXPECT(counters.recved_bytes == data_len);
EXPECT(counters.err_calls == 0);
EXPECT(pcb->ooseq == NULL);
}
/* make sure the pcb is freed */
EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 1);
tcp_abort(pcb);
EXPECT(lwip_stats.memp[MEMP_TCP_PCB].used == 0);
}
END_TEST
/** Create the suite including all tests for this module */
Suite *
tcp_oos_suite(void)
{
TFun tests[] = {
test_tcp_recv_ooseq,
test_tcp_recv_ooseq_FIN_OOSEQ,
test_tcp_recv_ooseq_FIN_INSEQ,
};
return create_suite("TCP_OOS", tests, sizeof(tests)/sizeof(TFun), tcp_oos_setup, tcp_oos_teardown);
}