| /* |
| * |
| * 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 "test/core/end2end/end2end_tests.h" |
| |
| #include <grpc/support/log.h> |
| #include <grpc/support/sync.h> |
| #include <grpc/support/thd.h> |
| #include <grpc/support/time.h> |
| |
| #include "test/core/end2end/cq_verifier.h" |
| |
| static void *tag(intptr_t t) { return (void *)t; } |
| |
| typedef struct { |
| gpr_event started; |
| grpc_channel *channel; |
| grpc_completion_queue *cq; |
| } child_events; |
| |
| static void child_thread(void *arg) { |
| child_events *ce = arg; |
| grpc_event ev; |
| gpr_event_set(&ce->started, (void *)1); |
| gpr_log(GPR_DEBUG, "verifying"); |
| ev = grpc_completion_queue_next(ce->cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), |
| NULL); |
| GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
| GPR_ASSERT(ev.tag == tag(1)); |
| GPR_ASSERT(ev.success == 0); |
| } |
| |
| static void test_connectivity(grpc_end2end_test_config config) { |
| grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL); |
| grpc_connectivity_state state; |
| cq_verifier *cqv = cq_verifier_create(f.cq); |
| child_events ce; |
| gpr_thd_options thdopt = gpr_thd_options_default(); |
| gpr_thd_id thdid; |
| |
| config.init_client(&f, NULL); |
| |
| ce.channel = f.client; |
| ce.cq = f.cq; |
| gpr_event_init(&ce.started); |
| gpr_thd_options_set_joinable(&thdopt); |
| GPR_ASSERT(gpr_thd_new(&thdid, child_thread, &ce, &thdopt)); |
| |
| gpr_event_wait(&ce.started, gpr_inf_future(GPR_CLOCK_MONOTONIC)); |
| |
| /* channels should start life in IDLE, and stay there */ |
| GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) == |
| GRPC_CHANNEL_IDLE); |
| gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100)); |
| GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) == |
| GRPC_CHANNEL_IDLE); |
| |
| /* start watching for a change */ |
| gpr_log(GPR_DEBUG, "watching"); |
| grpc_channel_watch_connectivity_state( |
| f.client, GRPC_CHANNEL_IDLE, gpr_now(GPR_CLOCK_MONOTONIC), f.cq, tag(1)); |
| |
| /* eventually the child thread completion should trigger */ |
| gpr_thd_join(thdid); |
| |
| /* check that we're still in idle, and start connecting */ |
| GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) == |
| GRPC_CHANNEL_IDLE); |
| /* start watching for a change */ |
| grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_IDLE, |
| GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), |
| f.cq, tag(2)); |
| |
| /* and now the watch should trigger */ |
| cq_expect_completion(cqv, tag(2), 1); |
| cq_verify(cqv); |
| state = grpc_channel_check_connectivity_state(f.client, 0); |
| GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
| state == GRPC_CHANNEL_CONNECTING); |
| |
| /* quickly followed by a transition to TRANSIENT_FAILURE */ |
| grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_CONNECTING, |
| GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), |
| f.cq, tag(3)); |
| cq_expect_completion(cqv, tag(3), 1); |
| cq_verify(cqv); |
| state = grpc_channel_check_connectivity_state(f.client, 0); |
| GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
| state == GRPC_CHANNEL_CONNECTING); |
| |
| gpr_log(GPR_DEBUG, "*** STARTING SERVER ***"); |
| |
| /* now let's bring up a server to connect to */ |
| config.init_server(&f, NULL); |
| |
| gpr_log(GPR_DEBUG, "*** STARTED SERVER ***"); |
| |
| /* we'll go through some set of transitions (some might be missed), until |
| READY is reached */ |
| while (state != GRPC_CHANNEL_READY) { |
| grpc_channel_watch_connectivity_state( |
| f.client, state, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), f.cq, tag(4)); |
| cq_expect_completion(cqv, tag(4), 1); |
| cq_verify(cqv); |
| state = grpc_channel_check_connectivity_state(f.client, 0); |
| GPR_ASSERT(state == GRPC_CHANNEL_READY || |
| state == GRPC_CHANNEL_CONNECTING || |
| state == GRPC_CHANNEL_TRANSIENT_FAILURE); |
| } |
| |
| /* bring down the server again */ |
| /* we should go immediately to TRANSIENT_FAILURE */ |
| gpr_log(GPR_DEBUG, "*** SHUTTING DOWN SERVER ***"); |
| |
| grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_READY, |
| GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), |
| f.cq, tag(5)); |
| |
| grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead)); |
| |
| cq_expect_completion(cqv, tag(5), 1); |
| cq_expect_completion(cqv, tag(0xdead), 1); |
| cq_verify(cqv); |
| state = grpc_channel_check_connectivity_state(f.client, 0); |
| GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
| state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE); |
| |
| /* cleanup server */ |
| grpc_server_destroy(f.server); |
| |
| gpr_log(GPR_DEBUG, "*** SHUTDOWN SERVER ***"); |
| |
| grpc_channel_destroy(f.client); |
| grpc_completion_queue_shutdown(f.cq); |
| grpc_completion_queue_destroy(f.cq); |
| config.tear_down_data(&f); |
| |
| cq_verifier_destroy(cqv); |
| } |
| |
| void connectivity(grpc_end2end_test_config config) { |
| GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION); |
| test_connectivity(config); |
| } |
| |
| void connectivity_pre_init(void) {} |