1 /*
2 * ngtcp2
3 *
4 * Copyright (c) 2019 ngtcp2 contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include "ngtcp2_pv_test.h"
26
27 #include <CUnit/CUnit.h>
28
29 #include "ngtcp2_pv.h"
30 #include "ngtcp2_test_helper.h"
31
test_ngtcp2_pv_add_entry(void)32 void test_ngtcp2_pv_add_entry(void) {
33 ngtcp2_pv *pv;
34 int rv;
35 const ngtcp2_mem *mem = ngtcp2_mem_default();
36 ngtcp2_cid cid;
37 const uint8_t token[NGTCP2_STATELESS_RESET_TOKENLEN] = {0xff};
38 ngtcp2_dcid dcid;
39 ngtcp2_log log;
40 uint8_t data[8];
41 size_t i;
42 ngtcp2_duration timeout = 100ULL * NGTCP2_SECONDS;
43
44 dcid_init(&cid);
45 ngtcp2_dcid_init(&dcid, 1000000007, &cid, token);
46 ngtcp2_log_init(&log, NULL, NULL, 0, NULL);
47
48 rv = ngtcp2_pv_new(&pv, &dcid, timeout, NGTCP2_PV_FLAG_NONE, &log, mem);
49
50 CU_ASSERT(0 == rv);
51 CU_ASSERT(0 == ngtcp2_pv_validation_timed_out(pv, 0));
52
53 ngtcp2_pv_handle_entry_expiry(pv, 0);
54
55 CU_ASSERT(NGTCP2_PV_NUM_PROBE_PKT == pv->probe_pkt_left);
56 CU_ASSERT(ngtcp2_pv_should_send_probe(pv));
57
58 for (i = 0; i < NGTCP2_PV_NUM_PROBE_PKT; ++i) {
59 ngtcp2_pv_add_entry(pv, data, 100, NGTCP2_PV_ENTRY_FLAG_NONE, 0);
60
61 CU_ASSERT(i + 1 == ngtcp2_ringbuf_len(&pv->ents));
62 }
63
64 CU_ASSERT(0 == pv->probe_pkt_left);
65 CU_ASSERT(!ngtcp2_pv_should_send_probe(pv));
66 CU_ASSERT(NGTCP2_PV_NUM_PROBE_PKT == ngtcp2_ringbuf_len(&pv->ents));
67 CU_ASSERT(100 == ngtcp2_pv_next_expiry(pv));
68
69 ngtcp2_pv_handle_entry_expiry(pv, 99);
70
71 CU_ASSERT(0 == pv->probe_pkt_left);
72 CU_ASSERT(!ngtcp2_pv_should_send_probe(pv));
73
74 ngtcp2_pv_handle_entry_expiry(pv, 100);
75
76 CU_ASSERT(2 == pv->probe_pkt_left);
77 CU_ASSERT(ngtcp2_pv_should_send_probe(pv));
78 CU_ASSERT(100 == ngtcp2_pv_next_expiry(pv));
79
80 ngtcp2_pv_add_entry(pv, data, 111, NGTCP2_PV_ENTRY_FLAG_NONE, 100);
81
82 CU_ASSERT(1 == pv->probe_pkt_left);
83 CU_ASSERT(ngtcp2_pv_should_send_probe(pv));
84 CU_ASSERT(111 == ngtcp2_pv_next_expiry(pv));
85
86 ngtcp2_pv_del(pv);
87 }
88
test_ngtcp2_pv_validate(void)89 void test_ngtcp2_pv_validate(void) {
90 ngtcp2_pv *pv;
91 int rv;
92 const ngtcp2_mem *mem = ngtcp2_mem_default();
93 ngtcp2_cid cid;
94 const uint8_t token[NGTCP2_STATELESS_RESET_TOKENLEN] = {0xff};
95 ngtcp2_dcid dcid;
96 ngtcp2_log log;
97 uint8_t data[8];
98 ngtcp2_duration timeout = 100ULL * NGTCP2_SECONDS;
99 ngtcp2_path_storage path;
100 uint8_t flags;
101
102 path_init(&path, 1, 0, 2, 0);
103 dcid_init(&cid);
104 ngtcp2_dcid_init(&dcid, 1000000007, &cid, token);
105 ngtcp2_path_copy(&dcid.ps.path, &path.path);
106 ngtcp2_log_init(&log, NULL, NULL, 0, NULL);
107
108 rv = ngtcp2_pv_new(&pv, &dcid, timeout, NGTCP2_PV_FLAG_NONE, &log, mem);
109
110 CU_ASSERT(0 == rv);
111
112 memset(data, 0, sizeof(data));
113 ngtcp2_pv_add_entry(pv, data, 100, NGTCP2_PV_ENTRY_FLAG_NONE, 1);
114
115 memset(data, 1, sizeof(data));
116 ngtcp2_pv_add_entry(pv, data, 100, NGTCP2_PV_ENTRY_FLAG_NONE, 1);
117
118 memset(data, 1, sizeof(data));
119 rv = ngtcp2_pv_validate(pv, &flags, data);
120
121 CU_ASSERT(0 == rv);
122
123 memset(data, 3, sizeof(data));
124 rv = ngtcp2_pv_validate(pv, &flags, data);
125
126 CU_ASSERT(NGTCP2_ERR_INVALID_ARGUMENT == rv);
127
128 ngtcp2_pv_del(pv);
129 }
130