| /* |
| * |
| * Copyright 2015, 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 <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/sync.h> |
| #include <grpc/support/thd.h> |
| #include <grpc/support/time.h> |
| #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_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_localhost(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, "localhost:1", NULL, args.pollset_set, |
| grpc_closure_create(must_succeed, &args), &args.addrs); |
| args_finish(&exec_ctx, &args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| static void test_default_port(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, "localhost", "1", args.pollset_set, |
| grpc_closure_create(must_succeed, &args), &args.addrs); |
| args_finish(&exec_ctx, &args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| static void test_missing_default_port(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, "localhost", NULL, args.pollset_set, |
| grpc_closure_create(must_fail, &args), &args.addrs); |
| args_finish(&exec_ctx, &args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| static void test_ipv6_with_port(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, "[2001:db8::1]:1", NULL, args.pollset_set, |
| grpc_closure_create(must_succeed, &args), &args.addrs); |
| args_finish(&exec_ctx, &args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| |
| static void test_ipv6_without_port(void) { |
| const char *const kCases[] = { |
| "2001:db8::1", "2001:db8::1.2.3.4", "[2001:db8::1]", |
| }; |
| unsigned i; |
| for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) { |
| 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, kCases[i], "80", args.pollset_set, |
| grpc_closure_create(must_succeed, &args), &args.addrs); |
| args_finish(&exec_ctx, &args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| } |
| |
| static void test_invalid_ip_addresses(void) { |
| const char *const kCases[] = { |
| "293.283.1238.3:1", "[2001:db8::11111]:1", |
| }; |
| unsigned i; |
| for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) { |
| 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, kCases[i], NULL, args.pollset_set, |
| grpc_closure_create(must_fail, &args), &args.addrs); |
| args_finish(&exec_ctx, &args); |
| grpc_exec_ctx_finish(&exec_ctx); |
| } |
| } |
| |
| static void test_unparseable_hostports(void) { |
| const char *const kCases[] = { |
| "[", "[::1", "[::1]bad", "[1.2.3.4]", "[localhost]", "[localhost]:1", |
| }; |
| unsigned i; |
| for (i = 0; i < sizeof(kCases) / sizeof(*kCases); i++) { |
| 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, kCases[i], "1", args.pollset_set, |
| grpc_closure_create(must_fail, &args), &args.addrs); |
| 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_localhost(); |
| test_default_port(); |
| test_missing_default_port(); |
| test_ipv6_with_port(); |
| test_ipv6_without_port(); |
| test_invalid_ip_addresses(); |
| test_unparseable_hostports(); |
| grpc_iomgr_shutdown(); |
| grpc_executor_shutdown(); |
| return 0; |
| } |