mirror of https://github.com/grpc/grpc.git
Yuchen Zeng
8 years ago
parent
b65a8a9630
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e6f01f6b96
6 changed files with 276 additions and 2 deletions
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/*
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* |
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* Copyright 2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include "src/core/lib/iomgr/resolve_address.h" |
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#include <string.h> |
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#include <sys/un.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/sync.h> |
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#include <grpc/support/thd.h> |
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#include <grpc/support/time.h> |
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#include <grpc/support/useful.h> |
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#include "src/core/lib/iomgr/executor.h" |
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#include "src/core/lib/iomgr/iomgr.h" |
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#include "test/core/util/test_config.h" |
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static gpr_timespec test_deadline(void) { |
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return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100); |
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} |
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typedef struct args_struct { |
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gpr_event ev; |
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grpc_resolved_addresses *addrs; |
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gpr_atm done_atm; |
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gpr_mu *mu; |
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grpc_pollset *pollset; |
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grpc_pollset_set *pollset_set; |
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} args_struct; |
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static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {} |
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void args_init(grpc_exec_ctx *exec_ctx, args_struct *args) { |
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gpr_event_init(&args->ev); |
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args->pollset = gpr_malloc(grpc_pollset_size()); |
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grpc_pollset_init(args->pollset, &args->mu); |
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args->pollset_set = grpc_pollset_set_create(); |
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grpc_pollset_set_add_pollset(exec_ctx, args->pollset_set, args->pollset); |
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args->addrs = NULL; |
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} |
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void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) { |
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GPR_ASSERT(gpr_event_wait(&args->ev, test_deadline())); |
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grpc_resolved_addresses_destroy(args->addrs); |
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grpc_pollset_set_del_pollset(exec_ctx, args->pollset_set, args->pollset); |
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grpc_pollset_set_destroy(args->pollset_set); |
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grpc_closure do_nothing_cb; |
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grpc_closure_init(&do_nothing_cb, do_nothing, NULL, |
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grpc_schedule_on_exec_ctx); |
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grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb); |
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// exec_ctx needs to be flushed before calling grpc_pollset_destroy()
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grpc_exec_ctx_flush(exec_ctx); |
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grpc_pollset_destroy(args->pollset); |
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gpr_free(args->pollset); |
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} |
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static gpr_timespec n_sec_deadline(int seconds) { |
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return gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
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gpr_time_from_seconds(seconds, GPR_TIMESPAN)); |
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} |
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static void actually_poll(void *argsp) { |
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args_struct *args = argsp; |
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gpr_timespec deadline = n_sec_deadline(10); |
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while (true) { |
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bool done = gpr_atm_acq_load(&args->done_atm) != 0; |
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if (done) { |
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break; |
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} |
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gpr_timespec time_left = |
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gpr_time_sub(deadline, gpr_now(GPR_CLOCK_REALTIME)); |
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gpr_log(GPR_DEBUG, "done=%d, time_left=%" PRId64 ".%09d", done, |
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time_left.tv_sec, time_left.tv_nsec); |
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GPR_ASSERT(gpr_time_cmp(time_left, gpr_time_0(GPR_TIMESPAN)) >= 0); |
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grpc_pollset_worker *worker = NULL; |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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gpr_mu_lock(args->mu); |
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GRPC_LOG_IF_ERROR( |
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"pollset_work", |
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grpc_pollset_work(&exec_ctx, args->pollset, &worker, |
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gpr_now(GPR_CLOCK_REALTIME), n_sec_deadline(1))); |
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gpr_mu_unlock(args->mu); |
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grpc_exec_ctx_finish(&exec_ctx); |
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} |
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gpr_event_set(&args->ev, (void *)1); |
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} |
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static void poll_pollset_until_request_done(args_struct *args) { |
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gpr_atm_rel_store(&args->done_atm, 0); |
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gpr_thd_id id; |
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gpr_thd_new(&id, actually_poll, args, NULL); |
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} |
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static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp, |
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grpc_error *err) { |
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args_struct *args = argsp; |
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GPR_ASSERT(err == GRPC_ERROR_NONE); |
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GPR_ASSERT(args->addrs != NULL); |
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GPR_ASSERT(args->addrs->naddrs > 0); |
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gpr_atm_rel_store(&args->done_atm, 1); |
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} |
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static void must_fail(grpc_exec_ctx *exec_ctx, void *argsp, grpc_error *err) { |
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args_struct *args = argsp; |
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GPR_ASSERT(err != GRPC_ERROR_NONE); |
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gpr_atm_rel_store(&args->done_atm, 1); |
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} |
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static void test_unix_socket(void) { |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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args_struct args; |
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args_init(&exec_ctx, &args); |
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poll_pollset_until_request_done(&args); |
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grpc_resolve_address( |
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&exec_ctx, "unix:/path/name", NULL, args.pollset_set, |
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grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx), |
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&args.addrs); |
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args_finish(&exec_ctx, &args); |
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grpc_exec_ctx_finish(&exec_ctx); |
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} |
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static void test_unix_socket_path_name_too_long(void) { |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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args_struct args; |
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args_init(&exec_ctx, &args); |
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const char prefix[] = "unix:/path/name"; |
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size_t path_name_length = |
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GPR_ARRAY_SIZE(((struct sockaddr_un *)0)->sun_path) + 6; |
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char *path_name = gpr_malloc(sizeof(char) * path_name_length); |
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memset(path_name, 'a', path_name_length); |
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memcpy(path_name, prefix, strlen(prefix) - 1); |
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path_name[path_name_length - 1] = '\0'; |
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poll_pollset_until_request_done(&args); |
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grpc_resolve_address( |
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&exec_ctx, path_name, NULL, args.pollset_set, |
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grpc_closure_create(must_fail, &args, grpc_schedule_on_exec_ctx), |
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&args.addrs); |
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gpr_free(path_name); |
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args_finish(&exec_ctx, &args); |
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grpc_exec_ctx_finish(&exec_ctx); |
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} |
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int main(int argc, char **argv) { |
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grpc_test_init(argc, argv); |
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grpc_executor_init(); |
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grpc_iomgr_init(); |
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test_unix_socket(); |
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test_unix_socket_path_name_too_long(); |
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{ |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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grpc_executor_shutdown(&exec_ctx); |
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grpc_iomgr_shutdown(&exec_ctx); |
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grpc_exec_ctx_finish(&exec_ctx); |
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} |
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return 0; |
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} |
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