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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
*
* 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 "src/core/lib/iomgr/port.h"
// This test won't work except with posix sockets enabled
#ifdef GRPC_POSIX_SOCKET
#include "src/core/lib/iomgr/tcp_client.h"
#include <errno.h>
#include <netinet/in.h>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include "src/core/lib/iomgr/iomgr.h"
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/iomgr/socket_utils_posix.h"
#include "src/core/lib/iomgr/timer.h"
#include "test/core/util/test_config.h"
static grpc_pollset_set* g_pollset_set;
static gpr_mu* g_mu;
static grpc_pollset* g_pollset;
static int g_connections_complete = 0;
static grpc_endpoint* g_connecting = NULL;
static grpc_millis test_deadline(void) {
return grpc_timespec_to_millis_round_up(grpc_timeout_seconds_to_deadline(10));
}
static void finish_connection() {
gpr_mu_lock(g_mu);
g_connections_complete++;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GPR_ASSERT(GRPC_LOG_IF_ERROR("pollset_kick",
grpc_pollset_kick(&exec_ctx, g_pollset, NULL)));
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_unlock(g_mu);
}
static void must_succeed(grpc_exec_ctx* exec_ctx, void* arg,
grpc_error* error) {
GPR_ASSERT(g_connecting != NULL);
GPR_ASSERT(error == GRPC_ERROR_NONE);
grpc_endpoint_shutdown(
exec_ctx, g_connecting,
GRPC_ERROR_CREATE_FROM_STATIC_STRING("must_succeed called"));
grpc_endpoint_destroy(exec_ctx, g_connecting);
g_connecting = NULL;
finish_connection();
}
static void must_fail(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) {
GPR_ASSERT(g_connecting == NULL);
GPR_ASSERT(error != GRPC_ERROR_NONE);
finish_connection();
}
void test_succeeds(void) {
grpc_resolved_address resolved_addr;
struct sockaddr_in* addr = (struct sockaddr_in*)resolved_addr.addr;
int svr_fd;
int r;
int connections_complete_before;
grpc_closure done;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_DEBUG, "test_succeeds");
memset(&resolved_addr, 0, sizeof(resolved_addr));
resolved_addr.len = sizeof(struct sockaddr_in);
addr->sin_family = AF_INET;
/* create a dummy server */
svr_fd = socket(AF_INET, SOCK_STREAM, 0);
GPR_ASSERT(svr_fd >= 0);
GPR_ASSERT(
0 == bind(svr_fd, (struct sockaddr*)addr, (socklen_t)resolved_addr.len));
GPR_ASSERT(0 == listen(svr_fd, 1));
gpr_mu_lock(g_mu);
connections_complete_before = g_connections_complete;
gpr_mu_unlock(g_mu);
/* connect to it */
GPR_ASSERT(getsockname(svr_fd, (struct sockaddr*)addr,
(socklen_t*)&resolved_addr.len) == 0);
GRPC_CLOSURE_INIT(&done, must_succeed, NULL, grpc_schedule_on_exec_ctx);
grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set, NULL,
&resolved_addr, GRPC_MILLIS_INF_FUTURE);
/* await the connection */
do {
resolved_addr.len = sizeof(addr);
r = accept(svr_fd, (struct sockaddr*)addr, (socklen_t*)&resolved_addr.len);
} while (r == -1 && errno == EINTR);
GPR_ASSERT(r >= 0);
close(r);
gpr_mu_lock(g_mu);
while (g_connections_complete == connections_complete_before) {
grpc_pollset_worker* worker = NULL;
GPR_ASSERT(GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(&exec_ctx, g_pollset, &worker,
grpc_timespec_to_millis_round_up(
grpc_timeout_seconds_to_deadline(5)))));
gpr_mu_unlock(g_mu);
grpc_exec_ctx_flush(&exec_ctx);
gpr_mu_lock(g_mu);
}
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
}
void test_fails(void) {
grpc_resolved_address resolved_addr;
struct sockaddr_in* addr = (struct sockaddr_in*)resolved_addr.addr;
int connections_complete_before;
grpc_closure done;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_log(GPR_DEBUG, "test_fails");
memset(&resolved_addr, 0, sizeof(resolved_addr));
resolved_addr.len = sizeof(struct sockaddr_in);
addr->sin_family = AF_INET;
gpr_mu_lock(g_mu);
connections_complete_before = g_connections_complete;
gpr_mu_unlock(g_mu);
/* connect to a broken address */
GRPC_CLOSURE_INIT(&done, must_fail, NULL, grpc_schedule_on_exec_ctx);
grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set, NULL,
&resolved_addr, GRPC_MILLIS_INF_FUTURE);
gpr_mu_lock(g_mu);
/* wait for the connection callback to finish */
while (g_connections_complete == connections_complete_before) {
grpc_pollset_worker* worker = NULL;
grpc_millis polling_deadline = test_deadline();
switch (grpc_timer_check(&exec_ctx, &polling_deadline)) {
case GRPC_TIMERS_FIRED:
break;
case GRPC_TIMERS_NOT_CHECKED:
polling_deadline = 0;
/* fall through */
case GRPC_TIMERS_CHECKED_AND_EMPTY:
GPR_ASSERT(GRPC_LOG_IF_ERROR(
"pollset_work", grpc_pollset_work(&exec_ctx, g_pollset, &worker,
polling_deadline)));
break;
}
gpr_mu_unlock(g_mu);
grpc_exec_ctx_flush(&exec_ctx);
gpr_mu_lock(g_mu);
}
gpr_mu_unlock(g_mu);
grpc_exec_ctx_finish(&exec_ctx);
}
static void destroy_pollset(grpc_exec_ctx* exec_ctx, void* p,
grpc_error* error) {
grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset*>(p));
}
int main(int argc, char** argv) {
grpc_closure destroyed;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_test_init(argc, argv);
grpc_init();
g_pollset_set = grpc_pollset_set_create();
g_pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
grpc_pollset_init(g_pollset, &g_mu);
grpc_pollset_set_add_pollset(&exec_ctx, g_pollset_set, g_pollset);
grpc_exec_ctx_finish(&exec_ctx);
test_succeeds();
gpr_log(GPR_ERROR, "End of first test");
test_fails();
grpc_pollset_set_destroy(&exec_ctx, g_pollset_set);
GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
grpc_schedule_on_exec_ctx);
grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
gpr_free(g_pollset);
return 0;
}
#else /* GRPC_POSIX_SOCKET */
int main(int argc, char** argv) { return 1; }
#endif /* GRPC_POSIX_SOCKET */
|
