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1 /* | 1 /* |
2 * roc_driver.c | 2 * roc_driver.c |
3 * | 3 * |
4 * test driver for rollover counter replay implementation | 4 * test driver for rollover counter replay implementation |
5 * | 5 * |
6 * David A. McGrew | 6 * David A. McGrew |
7 * Cisco Systems, Inc. | 7 * Cisco Systems, Inc. |
8 */ | 8 */ |
9 | 9 |
10 /* | 10 /* |
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45 | 45 |
46 | 46 |
47 #ifdef HAVE_CONFIG_H | 47 #ifdef HAVE_CONFIG_H |
48 #include <config.h> | 48 #include <config.h> |
49 #endif | 49 #endif |
50 | 50 |
51 #include <stdio.h> | 51 #include <stdio.h> |
52 | 52 |
53 /* | 53 /* |
54 * defining ROC_TEST causes small datatypes to be used in | 54 * defining ROC_TEST causes small datatypes to be used in |
55 * xtd_seq_num_t - this allows the functions to be exhaustively tested. | 55 * srtp_xtd_seq_num_t - this allows the functions to be exhaustively tested. |
56 */ | 56 */ |
57 #if ROC_NEEDS_TO_BE_TESTED | 57 #if ROC_NEEDS_TO_BE_TESTED |
58 #define ROC_TEST | 58 #define ROC_TEST |
59 #endif | 59 #endif |
60 | 60 |
61 #include "rdbx.h" | 61 #include "rdbx.h" |
62 #include "ut_sim.h" | 62 #include "ut_sim.h" |
63 | 63 |
64 err_status_t | 64 srtp_err_status_t |
65 roc_test(int num_trials); | 65 roc_test(int num_trials); |
66 | 66 |
67 int | 67 int |
68 main (void) { | 68 main (void) { |
69 err_status_t status; | 69 srtp_err_status_t status; |
70 | 70 |
71 printf("rollover counter test driver\n" | 71 printf("rollover counter test driver\n" |
72 "David A. McGrew\n" | 72 "David A. McGrew\n" |
73 "Cisco Systems, Inc.\n"); | 73 "Cisco Systems, Inc.\n"); |
74 | 74 |
75 printf("testing index functions..."); | 75 printf("testing index functions..."); |
76 status = roc_test(1 << 18); | 76 status = roc_test(1 << 18); |
77 if (status) { | 77 if (status) { |
78 printf("failed\n"); | 78 printf("failed\n"); |
79 exit(status); | 79 exit(status); |
80 } | 80 } |
81 printf("passed\n"); | 81 printf("passed\n"); |
82 return 0; | 82 return 0; |
83 } | 83 } |
84 | 84 |
85 | 85 |
86 #define ROC_VERBOSE 0 | 86 #define ROC_VERBOSE 0 |
87 | 87 |
88 err_status_t | 88 srtp_err_status_t |
89 roc_test(int num_trials) { | 89 roc_test(int num_trials) { |
90 xtd_seq_num_t local, est, ref; | 90 srtp_xtd_seq_num_t local, est, ref; |
91 ut_connection utc; | 91 ut_connection utc; |
92 int i, num_bad_est = 0; | 92 int i, num_bad_est = 0; |
93 int delta; | 93 int delta; |
94 uint32_t ircvd; | 94 uint32_t ircvd; |
95 double failure_rate; | 95 double failure_rate; |
96 | 96 |
97 index_init(&local); | 97 srtp_index_init(&local); |
98 index_init(&ref); | 98 srtp_index_init(&ref); |
99 index_init(&est); | 99 srtp_index_init(&est); |
100 | 100 |
101 printf("\n\ttesting sequential insertion..."); | 101 printf("\n\ttesting sequential insertion..."); |
102 for (i=0; i < 2048; i++) { | 102 for (i=0; i < 2048; i++) { |
103 delta = index_guess(&local, &est, (uint16_t) ref); | 103 delta = srtp_index_guess(&local, &est, (uint16_t) ref); |
104 #if ROC_VERBOSE | 104 #if ROC_VERBOSE |
105 printf("%lld, %lld, %d\n", ref, est, i); | 105 printf("%lld, %lld, %d\n", ref, est, i); |
106 #endif | 106 #endif |
107 if (ref != est) { | 107 if (ref != est) { |
108 #if ROC_VERBOSE | 108 #if ROC_VERBOSE |
109 printf(" *bad estimate*\n"); | 109 printf(" *bad estimate*\n"); |
110 #endif | 110 #endif |
111 ++num_bad_est; | 111 ++num_bad_est; |
112 } | 112 } |
113 index_advance(&ref, 1); | 113 srtp_index_advance(&ref, 1); |
114 } | 114 } |
115 failure_rate = (double) num_bad_est / num_trials; | 115 failure_rate = (double) num_bad_est / num_trials; |
116 if (failure_rate > 0.01) { | 116 if (failure_rate > 0.01) { |
117 printf("error: failure rate too high (%d bad estimates in %d trials)\n", | 117 printf("error: failure rate too high (%d bad estimates in %d trials)\n", |
118 num_bad_est, num_trials); | 118 num_bad_est, num_trials); |
119 return err_status_algo_fail; | 119 return srtp_err_status_algo_fail; |
120 } | 120 } |
121 printf("done\n"); | 121 printf("done\n"); |
122 | 122 |
123 | 123 |
124 printf("\ttesting non-sequential insertion..."); | 124 printf("\ttesting non-sequential insertion..."); |
125 index_init(&local); | 125 srtp_index_init(&local); |
126 index_init(&ref); | 126 srtp_index_init(&ref); |
127 index_init(&est); | 127 srtp_index_init(&est); |
128 ut_init(&utc); | 128 ut_init(&utc); |
129 | 129 |
130 for (i=0; i < num_trials; i++) { | 130 for (i=0; i < num_trials; i++) { |
131 | 131 |
132 /* get next seq num from unreliable transport simulator */ | 132 /* get next seq num from unreliable transport simulator */ |
133 ircvd = ut_next_index(&utc); | 133 ircvd = ut_next_index(&utc); |
134 | 134 |
135 /* set ref to value of ircvd */ | 135 /* set ref to value of ircvd */ |
136 ref = ircvd; | 136 ref = ircvd; |
137 | 137 |
138 /* estimate index based on low bits of ircvd */ | 138 /* estimate index based on low bits of ircvd */ |
139 delta = index_guess(&local, &est, (uint16_t) ref); | 139 delta = srtp_index_guess(&local, &est, (uint16_t) ref); |
140 #if ROC_VERBOSE | 140 #if ROC_VERBOSE |
141 printf("ref: %lld, local: %lld, est: %lld, ircvd: %d, delta: %d\n", | 141 printf("ref: %lld, local: %lld, est: %lld, ircvd: %d, delta: %d\n", |
142 ref, local, est, ircvd, delta); | 142 ref, local, est, ircvd, delta); |
143 #endif | 143 #endif |
144 | 144 |
145 if (local + delta != est) { | 145 if (local + delta != est) { |
146 printf(" *bad delta*: local %llu + delta %d != est %llu\n", | 146 printf(" *bad delta*: local %llu + delta %d != est %llu\n", |
147 (unsigned long long)local, delta, (unsigned long long)est); | 147 (unsigned long long)local, delta, (unsigned long long)est); |
148 return err_status_algo_fail; | 148 return srtp_err_status_algo_fail; |
149 } | 149 } |
150 | 150 |
151 /* now update local xtd_seq_num_t as necessary */ | 151 /* now update local srtp_xtd_seq_num_t as necessary */ |
152 if (delta > 0) | 152 if (delta > 0) |
153 index_advance(&local, delta); | 153 srtp_index_advance(&local, delta); |
154 | 154 |
155 if (ref != est) { | 155 if (ref != est) { |
156 #if ROC_VERBOSE | 156 #if ROC_VERBOSE |
157 printf(" *bad estimate*\n"); | 157 printf(" *bad estimate*\n"); |
158 #endif | 158 #endif |
159 /* record failure event */ | 159 /* record failure event */ |
160 ++num_bad_est; | 160 ++num_bad_est; |
161 | 161 |
162 /* reset local value to correct value */ | 162 /* reset local value to correct value */ |
163 local = ref; | 163 local = ref; |
164 } | 164 } |
165 } | 165 } |
166 failure_rate = (double) num_bad_est / num_trials; | 166 failure_rate = (double) num_bad_est / num_trials; |
167 if (failure_rate > 0.01) { | 167 if (failure_rate > 0.01) { |
168 printf("error: failure rate too high (%d bad estimates in %d trials)\n", | 168 printf("error: failure rate too high (%d bad estimates in %d trials)\n", |
169 num_bad_est, num_trials); | 169 num_bad_est, num_trials); |
170 return err_status_algo_fail; | 170 return srtp_err_status_algo_fail; |
171 } | 171 } |
172 printf("done\n"); | 172 printf("done\n"); |
173 | 173 |
174 return err_status_ok; | 174 return srtp_err_status_ok; |
175 } | 175 } |
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