From e6f01f6b962c4063956e737d6c8c01e27560d4b8 Mon Sep 17 00:00:00 2001 From: Yuchen Zeng Date: Mon, 24 Oct 2016 15:56:35 -0700 Subject: Add resolve_address_posix_test --- test/core/iomgr/resolve_address_posix_test.c | 188 +++++++++++++++++++++++++++ 1 file changed, 188 insertions(+) create mode 100644 test/core/iomgr/resolve_address_posix_test.c (limited to 'test/core/iomgr') diff --git a/test/core/iomgr/resolve_address_posix_test.c b/test/core/iomgr/resolve_address_posix_test.c new file mode 100644 index 0000000000..e256609571 --- /dev/null +++ b/test/core/iomgr/resolve_address_posix_test.c @@ -0,0 +1,188 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/lib/iomgr/resolve_address.h" + +#include +#include + +#include +#include +#include +#include +#include +#include +#include "src/core/lib/iomgr/executor.h" +#include "src/core/lib/iomgr/iomgr.h" +#include "test/core/util/test_config.h" + +static gpr_timespec test_deadline(void) { + return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100); +} + +typedef struct args_struct { + gpr_event ev; + grpc_resolved_addresses *addrs; + gpr_atm done_atm; + gpr_mu *mu; + grpc_pollset *pollset; + grpc_pollset_set *pollset_set; +} args_struct; + +static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {} + +void args_init(grpc_exec_ctx *exec_ctx, args_struct *args) { + gpr_event_init(&args->ev); + args->pollset = gpr_malloc(grpc_pollset_size()); + grpc_pollset_init(args->pollset, &args->mu); + args->pollset_set = grpc_pollset_set_create(); + grpc_pollset_set_add_pollset(exec_ctx, args->pollset_set, args->pollset); + args->addrs = NULL; +} + +void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) { + GPR_ASSERT(gpr_event_wait(&args->ev, test_deadline())); + grpc_resolved_addresses_destroy(args->addrs); + grpc_pollset_set_del_pollset(exec_ctx, args->pollset_set, args->pollset); + grpc_pollset_set_destroy(args->pollset_set); + grpc_closure do_nothing_cb; + grpc_closure_init(&do_nothing_cb, do_nothing, NULL, + grpc_schedule_on_exec_ctx); + grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb); + // exec_ctx needs to be flushed before calling grpc_pollset_destroy() + grpc_exec_ctx_flush(exec_ctx); + grpc_pollset_destroy(args->pollset); + gpr_free(args->pollset); +} + +static gpr_timespec n_sec_deadline(int seconds) { + return gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), + gpr_time_from_seconds(seconds, GPR_TIMESPAN)); +} + +static void actually_poll(void *argsp) { + args_struct *args = argsp; + gpr_timespec deadline = n_sec_deadline(10); + while (true) { + bool done = gpr_atm_acq_load(&args->done_atm) != 0; + if (done) { + break; + } + gpr_timespec time_left = + gpr_time_sub(deadline, gpr_now(GPR_CLOCK_REALTIME)); + gpr_log(GPR_DEBUG, "done=%d, time_left=%" PRId64 ".%09d", done, + time_left.tv_sec, time_left.tv_nsec); + GPR_ASSERT(gpr_time_cmp(time_left, gpr_time_0(GPR_TIMESPAN)) >= 0); + grpc_pollset_worker *worker = NULL; + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + gpr_mu_lock(args->mu); + GRPC_LOG_IF_ERROR( + "pollset_work", + grpc_pollset_work(&exec_ctx, args->pollset, &worker, + gpr_now(GPR_CLOCK_REALTIME), n_sec_deadline(1))); + gpr_mu_unlock(args->mu); + grpc_exec_ctx_finish(&exec_ctx); + } + gpr_event_set(&args->ev, (void *)1); +} + +static void poll_pollset_until_request_done(args_struct *args) { + gpr_atm_rel_store(&args->done_atm, 0); + gpr_thd_id id; + gpr_thd_new(&id, actually_poll, args, NULL); +} + +static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp, + grpc_error *err) { + args_struct *args = argsp; + GPR_ASSERT(err == GRPC_ERROR_NONE); + GPR_ASSERT(args->addrs != NULL); + GPR_ASSERT(args->addrs->naddrs > 0); + gpr_atm_rel_store(&args->done_atm, 1); +} + +static void must_fail(grpc_exec_ctx *exec_ctx, void *argsp, grpc_error *err) { + args_struct *args = argsp; + GPR_ASSERT(err != GRPC_ERROR_NONE); + gpr_atm_rel_store(&args->done_atm, 1); +} + +static void test_unix_socket(void) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + args_struct args; + args_init(&exec_ctx, &args); + poll_pollset_until_request_done(&args); + grpc_resolve_address( + &exec_ctx, "unix:/path/name", NULL, args.pollset_set, + grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx), + &args.addrs); + args_finish(&exec_ctx, &args); + grpc_exec_ctx_finish(&exec_ctx); +} + +static void test_unix_socket_path_name_too_long(void) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + args_struct args; + args_init(&exec_ctx, &args); + const char prefix[] = "unix:/path/name"; + size_t path_name_length = + GPR_ARRAY_SIZE(((struct sockaddr_un *)0)->sun_path) + 6; + char *path_name = gpr_malloc(sizeof(char) * path_name_length); + memset(path_name, 'a', path_name_length); + memcpy(path_name, prefix, strlen(prefix) - 1); + path_name[path_name_length - 1] = '\0'; + + poll_pollset_until_request_done(&args); + grpc_resolve_address( + &exec_ctx, path_name, NULL, args.pollset_set, + grpc_closure_create(must_fail, &args, grpc_schedule_on_exec_ctx), + &args.addrs); + gpr_free(path_name); + args_finish(&exec_ctx, &args); + grpc_exec_ctx_finish(&exec_ctx); +} + +int main(int argc, char **argv) { + grpc_test_init(argc, argv); + grpc_executor_init(); + grpc_iomgr_init(); + test_unix_socket(); + test_unix_socket_path_name_too_long(); + { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_executor_shutdown(&exec_ctx); + grpc_iomgr_shutdown(&exec_ctx); + grpc_exec_ctx_finish(&exec_ctx); + } + return 0; +} -- cgit v1.2.3