Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | * Copyright 2016 gRPC authors. |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 4 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 8 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 10 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 16 | * |
| 17 | */ |
| 18 | |
| 19 | #include "src/core/lib/iomgr/resolve_address.h" |
| 20 | |
| 21 | #include <string.h> |
| 22 | #include <sys/un.h> |
| 23 | |
Craig Tiller | 413e95b | 2017-08-30 09:41:41 -0700 | [diff] [blame] | 24 | #include <grpc/grpc.h> |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 25 | #include <grpc/support/alloc.h> |
| 26 | #include <grpc/support/log.h> |
| 27 | #include <grpc/support/sync.h> |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 28 | #include <grpc/support/time.h> |
Craig Tiller | 413e95b | 2017-08-30 09:41:41 -0700 | [diff] [blame] | 29 | |
Vijay Pai | d4d0a30 | 2018-01-25 13:24:03 -0800 | [diff] [blame] | 30 | #include "src/core/lib/gpr/useful.h" |
Vijay Pai | 87e2e6a | 2018-02-19 22:45:47 -0800 | [diff] [blame] | 31 | #include "src/core/lib/gprpp/thd.h" |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 32 | #include "src/core/lib/iomgr/executor.h" |
| 33 | #include "src/core/lib/iomgr/iomgr.h" |
| 34 | #include "test/core/util/test_config.h" |
| 35 | |
| 36 | static gpr_timespec test_deadline(void) { |
Robbie Shade | ca7effc | 2017-01-17 09:14:29 -0500 | [diff] [blame] | 37 | return grpc_timeout_seconds_to_deadline(100); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 38 | } |
| 39 | |
| 40 | typedef struct args_struct { |
Vijay Pai | da69355 | 2018-02-16 22:59:03 -0800 | [diff] [blame] | 41 | grpc_core::Thread thd; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 42 | gpr_event ev; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 43 | grpc_resolved_addresses* addrs; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 44 | gpr_atm done_atm; |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 45 | gpr_mu* mu; |
| 46 | grpc_pollset* pollset; |
| 47 | grpc_pollset_set* pollset_set; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 48 | } args_struct; |
| 49 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 50 | static void do_nothing(void* arg, grpc_error* error) {} |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 51 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 52 | void args_init(args_struct* args) { |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 53 | gpr_event_init(&args->ev); |
Yash Tibrewal | 40422d5 | 2017-11-06 14:39:17 -0800 | [diff] [blame] | 54 | args->pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size())); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 55 | grpc_pollset_init(args->pollset, &args->mu); |
| 56 | args->pollset_set = grpc_pollset_set_create(); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 57 | grpc_pollset_set_add_pollset(args->pollset_set, args->pollset); |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 58 | args->addrs = nullptr; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 59 | } |
| 60 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 61 | void args_finish(args_struct* args) { |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 62 | GPR_ASSERT(gpr_event_wait(&args->ev, test_deadline())); |
Vijay Pai | da69355 | 2018-02-16 22:59:03 -0800 | [diff] [blame] | 63 | args->thd.Join(); |
| 64 | // Don't need to explicitly destruct args->thd since |
| 65 | // args is actually going to be destructed, not just freed |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 66 | grpc_resolved_addresses_destroy(args->addrs); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 67 | grpc_pollset_set_del_pollset(args->pollset_set, args->pollset); |
| 68 | grpc_pollset_set_destroy(args->pollset_set); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 69 | grpc_closure do_nothing_cb; |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 70 | GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, nullptr, |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 71 | grpc_schedule_on_exec_ctx); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 72 | grpc_pollset_shutdown(args->pollset, &do_nothing_cb); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 73 | // exec_ctx needs to be flushed before calling grpc_pollset_destroy() |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 74 | grpc_core::ExecCtx::Get()->Flush(); |
| 75 | grpc_pollset_destroy(args->pollset); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 76 | gpr_free(args->pollset); |
| 77 | } |
| 78 | |
Craig Tiller | c0df1c0 | 2017-07-17 16:12:33 -0700 | [diff] [blame] | 79 | static grpc_millis n_sec_deadline(int seconds) { |
Craig Tiller | 9a8c3f3 | 2017-07-21 13:14:14 -0700 | [diff] [blame] | 80 | return grpc_timespec_to_millis_round_up( |
| 81 | grpc_timeout_seconds_to_deadline(seconds)); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 82 | } |
| 83 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 84 | static void actually_poll(void* argsp) { |
Yash Tibrewal | 40422d5 | 2017-11-06 14:39:17 -0800 | [diff] [blame] | 85 | args_struct* args = static_cast<args_struct*>(argsp); |
Craig Tiller | c0df1c0 | 2017-07-17 16:12:33 -0700 | [diff] [blame] | 86 | grpc_millis deadline = n_sec_deadline(10); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 87 | while (true) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 88 | grpc_core::ExecCtx exec_ctx; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 89 | bool done = gpr_atm_acq_load(&args->done_atm) != 0; |
| 90 | if (done) { |
| 91 | break; |
| 92 | } |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 93 | grpc_millis time_left = deadline - grpc_core::ExecCtx::Get()->Now(); |
Sree Kuchibhotla | 1dd12c0 | 2018-04-11 18:05:48 -0700 | [diff] [blame] | 94 | gpr_log(GPR_DEBUG, "done=%d, time_left=%" PRId64, done, time_left); |
Craig Tiller | c0df1c0 | 2017-07-17 16:12:33 -0700 | [diff] [blame] | 95 | GPR_ASSERT(time_left >= 0); |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 96 | grpc_pollset_worker* worker = nullptr; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 97 | gpr_mu_lock(args->mu); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 98 | GRPC_LOG_IF_ERROR("pollset_work", grpc_pollset_work(args->pollset, &worker, |
| 99 | n_sec_deadline(1))); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 100 | gpr_mu_unlock(args->mu); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 101 | grpc_core::ExecCtx::Get()->Flush(); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 102 | } |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 103 | gpr_event_set(&args->ev, (void*)1); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 104 | } |
| 105 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 106 | static void poll_pollset_until_request_done(args_struct* args) { |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 107 | gpr_atm_rel_store(&args->done_atm, 0); |
Vijay Pai | 2fe87b0 | 2018-03-01 11:36:47 -0800 | [diff] [blame] | 108 | args->thd = grpc_core::Thread("grpc_poll_pollset", actually_poll, args); |
Vijay Pai | da69355 | 2018-02-16 22:59:03 -0800 | [diff] [blame] | 109 | args->thd.Start(); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 112 | static void must_succeed(void* argsp, grpc_error* err) { |
Yash Tibrewal | 40422d5 | 2017-11-06 14:39:17 -0800 | [diff] [blame] | 113 | args_struct* args = static_cast<args_struct*>(argsp); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 114 | GPR_ASSERT(err == GRPC_ERROR_NONE); |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 115 | GPR_ASSERT(args->addrs != nullptr); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 116 | GPR_ASSERT(args->addrs->naddrs > 0); |
| 117 | gpr_atm_rel_store(&args->done_atm, 1); |
| 118 | } |
| 119 | |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 120 | static void must_fail(void* argsp, grpc_error* err) { |
Yash Tibrewal | 40422d5 | 2017-11-06 14:39:17 -0800 | [diff] [blame] | 121 | args_struct* args = static_cast<args_struct*>(argsp); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 122 | GPR_ASSERT(err != GRPC_ERROR_NONE); |
| 123 | gpr_atm_rel_store(&args->done_atm, 1); |
| 124 | } |
| 125 | |
| 126 | static void test_unix_socket(void) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 127 | grpc_core::ExecCtx exec_ctx; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 128 | args_struct args; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 129 | args_init(&args); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 130 | poll_pollset_until_request_done(&args); |
| 131 | grpc_resolve_address( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 132 | "unix:/path/name", nullptr, args.pollset_set, |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 133 | GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx), |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 134 | &args.addrs); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 135 | args_finish(&args); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static void test_unix_socket_path_name_too_long(void) { |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 139 | grpc_core::ExecCtx exec_ctx; |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 140 | args_struct args; |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 141 | args_init(&args); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 142 | const char prefix[] = "unix:/path/name"; |
| 143 | size_t path_name_length = |
Craig Tiller | 4ac2b8e | 2017-11-10 14:14:17 -0800 | [diff] [blame] | 144 | GPR_ARRAY_SIZE(((struct sockaddr_un*)nullptr)->sun_path) + 6; |
Yash Tibrewal | 40422d5 | 2017-11-06 14:39:17 -0800 | [diff] [blame] | 145 | char* path_name = |
| 146 | static_cast<char*>(gpr_malloc(sizeof(char) * path_name_length)); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 147 | memset(path_name, 'a', path_name_length); |
| 148 | memcpy(path_name, prefix, strlen(prefix) - 1); |
| 149 | path_name[path_name_length - 1] = '\0'; |
| 150 | |
| 151 | poll_pollset_until_request_done(&args); |
| 152 | grpc_resolve_address( |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 153 | path_name, nullptr, args.pollset_set, |
ncteisen | 274bbbe | 2017-06-08 14:57:11 -0700 | [diff] [blame] | 154 | GRPC_CLOSURE_CREATE(must_fail, &args, grpc_schedule_on_exec_ctx), |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 155 | &args.addrs); |
| 156 | gpr_free(path_name); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 157 | args_finish(&args); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 158 | } |
| 159 | |
Craig Tiller | baa14a9 | 2017-11-03 09:09:36 -0700 | [diff] [blame] | 160 | int main(int argc, char** argv) { |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 161 | grpc_test_init(argc, argv); |
Craig Tiller | 413e95b | 2017-08-30 09:41:41 -0700 | [diff] [blame] | 162 | grpc_init(); |
Yash Tibrewal | 8cf1470 | 2017-12-06 09:47:54 -0800 | [diff] [blame] | 163 | |
| 164 | { |
| 165 | grpc_core::ExecCtx exec_ctx; |
| 166 | test_unix_socket(); |
| 167 | test_unix_socket_path_name_too_long(); |
| 168 | } |
| 169 | |
Craig Tiller | 413e95b | 2017-08-30 09:41:41 -0700 | [diff] [blame] | 170 | grpc_shutdown(); |
Yuchen Zeng | e6f01f6 | 2016-10-24 15:56:35 -0700 | [diff] [blame] | 171 | return 0; |
| 172 | } |