| /* |
| * |
| * Copyright 2016 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/gpr/host_port.h" |
| #include "src/core/lib/gprpp/thd.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "test/core/end2end/data/ssl_test_data.h" |
| #include "test/core/util/port.h" |
| #include "test/core/util/test_config.h" |
| |
| typedef struct test_fixture { |
| const char* name; |
| grpc_channel* (*create_channel)(const char* addr); |
| } test_fixture; |
| |
| static size_t next_tag = 1; |
| |
| static void channel_idle_start_watch(grpc_channel* channel, |
| grpc_completion_queue* cq) { |
| gpr_timespec connect_deadline = grpc_timeout_milliseconds_to_deadline(1); |
| GPR_ASSERT(grpc_channel_check_connectivity_state(channel, 0) == |
| GRPC_CHANNEL_IDLE); |
| |
| grpc_channel_watch_connectivity_state( |
| channel, GRPC_CHANNEL_IDLE, connect_deadline, cq, (void*)(next_tag++)); |
| gpr_log(GPR_DEBUG, "number of active connect watchers: %d", |
| grpc_channel_num_external_connectivity_watchers(channel)); |
| } |
| |
| static void channel_idle_poll_for_timeout(grpc_channel* channel, |
| grpc_completion_queue* cq) { |
| grpc_event ev = grpc_completion_queue_next( |
| cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| |
| /* expect watch_connectivity_state to end with a timeout */ |
| GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| GPR_ASSERT(ev.success == false); |
| GPR_ASSERT(grpc_channel_check_connectivity_state(channel, 0) == |
| GRPC_CHANNEL_IDLE); |
| } |
| |
| /* Test and use the "num_external_watchers" call to make sure |
| * that "connectivity watcher" structs are free'd just after, if |
| * their corresponding timeouts occur. */ |
| static void run_timeouts_test(const test_fixture* fixture) { |
| gpr_log(GPR_INFO, "TEST: %s", fixture->name); |
| |
| char* addr; |
| |
| grpc_init(); |
| |
| gpr_join_host_port(&addr, "localhost", grpc_pick_unused_port_or_die()); |
| |
| grpc_channel* channel = fixture->create_channel(addr); |
| grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr); |
| |
| /* start 1 watcher and then let it time out */ |
| channel_idle_start_watch(channel, cq); |
| channel_idle_poll_for_timeout(channel, cq); |
| GPR_ASSERT(grpc_channel_num_external_connectivity_watchers(channel) == 0); |
| |
| /* start 3 watchers and then let them all time out */ |
| for (size_t i = 1; i <= 3; i++) { |
| channel_idle_start_watch(channel, cq); |
| } |
| for (size_t i = 1; i <= 3; i++) { |
| channel_idle_poll_for_timeout(channel, cq); |
| } |
| GPR_ASSERT(grpc_channel_num_external_connectivity_watchers(channel) == 0); |
| |
| /* start 3 watchers, see one time out, start another 3, and then see them all |
| * time out */ |
| for (size_t i = 1; i <= 3; i++) { |
| channel_idle_start_watch(channel, cq); |
| } |
| channel_idle_poll_for_timeout(channel, cq); |
| for (size_t i = 3; i <= 5; i++) { |
| channel_idle_start_watch(channel, cq); |
| } |
| for (size_t i = 1; i <= 5; i++) { |
| channel_idle_poll_for_timeout(channel, cq); |
| } |
| GPR_ASSERT(grpc_channel_num_external_connectivity_watchers(channel) == 0); |
| |
| grpc_channel_destroy(channel); |
| grpc_completion_queue_shutdown(cq); |
| GPR_ASSERT(grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), |
| nullptr) |
| .type == GRPC_QUEUE_SHUTDOWN); |
| grpc_completion_queue_destroy(cq); |
| |
| grpc_shutdown(); |
| gpr_free(addr); |
| } |
| |
| /* An edge scenario; sets channel state to explicitly, and outside |
| * of a polling call. */ |
| static void run_channel_shutdown_before_timeout_test( |
| const test_fixture* fixture) { |
| gpr_log(GPR_INFO, "TEST: %s", fixture->name); |
| |
| char* addr; |
| |
| grpc_init(); |
| |
| gpr_join_host_port(&addr, "localhost", grpc_pick_unused_port_or_die()); |
| |
| grpc_channel* channel = fixture->create_channel(addr); |
| grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr); |
| |
| /* start 1 watcher and then shut down the channel before the timer goes off */ |
| GPR_ASSERT(grpc_channel_num_external_connectivity_watchers(channel) == 0); |
| |
| /* expecting a 30 second timeout to go off much later than the shutdown. */ |
| gpr_timespec connect_deadline = grpc_timeout_seconds_to_deadline(30); |
| GPR_ASSERT(grpc_channel_check_connectivity_state(channel, 0) == |
| GRPC_CHANNEL_IDLE); |
| |
| grpc_channel_watch_connectivity_state(channel, GRPC_CHANNEL_IDLE, |
| connect_deadline, cq, (void*)1); |
| grpc_channel_destroy(channel); |
| |
| grpc_event ev = grpc_completion_queue_next( |
| cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr); |
| GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| /* expect success with a state transition to CHANNEL_SHUTDOWN */ |
| GPR_ASSERT(ev.success == true); |
| |
| grpc_completion_queue_shutdown(cq); |
| GPR_ASSERT(grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), |
| nullptr) |
| .type == GRPC_QUEUE_SHUTDOWN); |
| grpc_completion_queue_destroy(cq); |
| |
| grpc_shutdown(); |
| gpr_free(addr); |
| } |
| |
| static grpc_channel* insecure_test_create_channel(const char* addr) { |
| return grpc_insecure_channel_create(addr, nullptr, nullptr); |
| } |
| |
| static const test_fixture insecure_test = { |
| "insecure", |
| insecure_test_create_channel, |
| }; |
| |
| static grpc_channel* secure_test_create_channel(const char* addr) { |
| grpc_channel_credentials* ssl_creds = |
| grpc_ssl_credentials_create(test_root_cert, nullptr, nullptr, nullptr); |
| grpc_arg ssl_name_override = { |
| GRPC_ARG_STRING, |
| const_cast<char*>(GRPC_SSL_TARGET_NAME_OVERRIDE_ARG), |
| {const_cast<char*>("foo.test.google.fr")}}; |
| grpc_channel_args* new_client_args = |
| grpc_channel_args_copy_and_add(nullptr, &ssl_name_override, 1); |
| grpc_channel* channel = |
| grpc_secure_channel_create(ssl_creds, addr, new_client_args, nullptr); |
| { |
| grpc_core::ExecCtx exec_ctx; |
| grpc_channel_args_destroy(new_client_args); |
| } |
| grpc_channel_credentials_release(ssl_creds); |
| return channel; |
| } |
| |
| static const test_fixture secure_test = { |
| "secure", |
| secure_test_create_channel, |
| }; |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(argc, argv); |
| |
| run_timeouts_test(&insecure_test); |
| run_timeouts_test(&secure_test); |
| |
| run_channel_shutdown_before_timeout_test(&insecure_test); |
| run_channel_shutdown_before_timeout_test(&secure_test); |
| } |