/* * * 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_zalloc(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(exec_ctx, 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(exec_ctx, 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; }