1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/port_platform.h>
#include <grpc/support/string.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include "src/core/ext/census/census_interface.h"
#include "src/core/ext/census/census_rpc_stats.h"
#include "src/core/ext/census/census_tracing.h"
#include "test/core/util/test_config.h"
/* Ensure all possible state transitions are called without causing problem */
static void test_init_shutdown(void) {
census_stats_store_init();
census_stats_store_init();
census_stats_store_shutdown();
census_stats_store_shutdown();
census_stats_store_init();
}
static void test_create_and_destroy(void) {
census_rpc_stats *stats = NULL;
census_aggregated_rpc_stats agg_stats = {0, NULL};
stats = census_rpc_stats_create_empty();
GPR_ASSERT(stats != NULL);
GPR_ASSERT(stats->cnt == 0 && stats->rpc_error_cnt == 0 &&
stats->app_error_cnt == 0 && stats->elapsed_time_ms == 0.0 &&
stats->api_request_bytes == 0 && stats->wire_request_bytes == 0 &&
stats->api_response_bytes == 0 && stats->wire_response_bytes == 0);
gpr_free(stats);
census_aggregated_rpc_stats_set_empty(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
agg_stats.num_entries = 1;
agg_stats.stats = (census_per_method_rpc_stats *)gpr_malloc(
sizeof(census_per_method_rpc_stats));
agg_stats.stats[0].method = gpr_strdup("foo");
census_aggregated_rpc_stats_set_empty(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
}
#define ASSERT_NEAR(a, b) \
GPR_ASSERT((a - b) * (a - b) < 1e-24 * (a + b) * (a + b))
static void test_record_and_get_stats(void) {
census_rpc_stats stats = {1, 2, 3, 4, 5.1, 6.2, 7.3, 8.4};
census_op_id id;
census_aggregated_rpc_stats agg_stats = {0, NULL};
/* Record client stats twice with the same op_id. */
census_init();
id = census_tracing_start_op();
census_add_method_tag(id, "m1");
census_record_rpc_client_stats(id, &stats);
census_record_rpc_client_stats(id, &stats);
census_tracing_end_op(id);
/* Server stats expect to be empty */
census_get_server_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
/* Client stats expect to have one entry */
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 1);
GPR_ASSERT(agg_stats.stats != NULL);
GPR_ASSERT(strcmp(agg_stats.stats[0].method, "m1") == 0);
GPR_ASSERT(agg_stats.stats[0].minute_stats.cnt == 2 &&
agg_stats.stats[0].hour_stats.cnt == 2 &&
agg_stats.stats[0].total_stats.cnt == 2);
ASSERT_NEAR(agg_stats.stats[0].minute_stats.wire_response_bytes, 16.8);
ASSERT_NEAR(agg_stats.stats[0].hour_stats.wire_response_bytes, 16.8);
ASSERT_NEAR(agg_stats.stats[0].total_stats.wire_response_bytes, 16.8);
/* Get stats again, results should be the same. */
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 1);
census_aggregated_rpc_stats_set_empty(&agg_stats);
census_shutdown();
/* Record both server (once) and client (twice) stats with different op_ids.
*/
census_init();
id = census_tracing_start_op();
census_add_method_tag(id, "m2");
census_record_rpc_client_stats(id, &stats);
census_tracing_end_op(id);
id = census_tracing_start_op();
census_add_method_tag(id, "m3");
census_record_rpc_server_stats(id, &stats);
census_tracing_end_op(id);
id = census_tracing_start_op();
census_add_method_tag(id, "m4");
census_record_rpc_client_stats(id, &stats);
census_tracing_end_op(id);
/* Check server stats */
census_get_server_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 1);
GPR_ASSERT(strcmp(agg_stats.stats[0].method, "m3") == 0);
GPR_ASSERT(agg_stats.stats[0].minute_stats.app_error_cnt == 3 &&
agg_stats.stats[0].hour_stats.app_error_cnt == 3 &&
agg_stats.stats[0].total_stats.app_error_cnt == 3);
census_aggregated_rpc_stats_set_empty(&agg_stats);
/* Check client stats */
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 2);
GPR_ASSERT(agg_stats.stats != NULL);
GPR_ASSERT((strcmp(agg_stats.stats[0].method, "m2") == 0 &&
strcmp(agg_stats.stats[1].method, "m4") == 0) ||
(strcmp(agg_stats.stats[0].method, "m4") == 0 &&
strcmp(agg_stats.stats[1].method, "m2") == 0));
GPR_ASSERT(agg_stats.stats[0].minute_stats.cnt == 1 &&
agg_stats.stats[1].minute_stats.cnt == 1);
census_aggregated_rpc_stats_set_empty(&agg_stats);
census_shutdown();
}
static void test_record_stats_on_unknown_op_id(void) {
census_op_id unknown_id = {0xDEAD, 0xBEEF};
census_rpc_stats stats = {1, 2, 3, 4, 5.1, 6.2, 7.3, 8.4};
census_aggregated_rpc_stats agg_stats = {0, NULL};
census_init();
/* Tests that recording stats against unknown id is noop. */
census_record_rpc_client_stats(unknown_id, &stats);
census_record_rpc_server_stats(unknown_id, &stats);
census_get_server_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
census_aggregated_rpc_stats_set_empty(&agg_stats);
census_shutdown();
}
/* Test that record stats is noop when trace store is uninitialized. */
static void test_record_stats_with_trace_store_uninitialized(void) {
census_rpc_stats stats = {1, 2, 3, 4, 5.1, 6.2, 7.3, 8.4};
census_op_id id = {0, 0};
census_aggregated_rpc_stats agg_stats = {0, NULL};
census_init();
id = census_tracing_start_op();
census_add_method_tag(id, "m");
census_tracing_end_op(id);
/* shuts down trace store only. */
census_tracing_shutdown();
census_record_rpc_client_stats(id, &stats);
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
census_stats_store_shutdown();
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
test_init_shutdown();
test_create_and_destroy();
test_record_and_get_stats();
test_record_stats_on_unknown_op_id();
test_record_stats_with_trace_store_uninitialized();
return 0;
}
|
