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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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174 lines
6.4 KiB
174 lines
6.4 KiB
/* |
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* |
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* Copyright 2015-2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include "test/core/end2end/end2end_tests.h" |
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#include <grpc/support/log.h> |
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#include <grpc/support/sync.h> |
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#include <grpc/support/thd.h> |
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#include <grpc/support/time.h> |
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#include "test/core/end2end/cq_verifier.h" |
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static void *tag(intptr_t t) { return (void *)t; } |
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typedef struct { |
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gpr_event started; |
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grpc_channel *channel; |
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grpc_completion_queue *cq; |
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} child_events; |
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static void child_thread(void *arg) { |
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child_events *ce = arg; |
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grpc_event ev; |
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gpr_event_set(&ce->started, (void *)1); |
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gpr_log(GPR_DEBUG, "verifying"); |
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ev = grpc_completion_queue_next(ce->cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), |
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NULL); |
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GPR_ASSERT(ev.type == GRPC_OP_COMPLETE); |
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GPR_ASSERT(ev.tag == tag(1)); |
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GPR_ASSERT(ev.success == 0); |
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} |
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static void test_connectivity(grpc_end2end_test_config config) { |
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grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL); |
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grpc_connectivity_state state; |
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cq_verifier *cqv = cq_verifier_create(f.cq); |
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child_events ce; |
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gpr_thd_options thdopt = gpr_thd_options_default(); |
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gpr_thd_id thdid; |
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config.init_client(&f, NULL); |
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ce.channel = f.client; |
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ce.cq = f.cq; |
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gpr_event_init(&ce.started); |
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gpr_thd_options_set_joinable(&thdopt); |
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GPR_ASSERT(gpr_thd_new(&thdid, child_thread, &ce, &thdopt)); |
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gpr_event_wait(&ce.started, gpr_inf_future(GPR_CLOCK_MONOTONIC)); |
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/* channels should start life in IDLE, and stay there */ |
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GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) == |
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GRPC_CHANNEL_IDLE); |
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gpr_sleep_until(GRPC_TIMEOUT_MILLIS_TO_DEADLINE(100)); |
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GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 0) == |
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GRPC_CHANNEL_IDLE); |
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/* start watching for a change */ |
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gpr_log(GPR_DEBUG, "watching"); |
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grpc_channel_watch_connectivity_state( |
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f.client, GRPC_CHANNEL_IDLE, gpr_now(GPR_CLOCK_MONOTONIC), f.cq, tag(1)); |
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/* eventually the child thread completion should trigger */ |
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gpr_thd_join(thdid); |
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/* check that we're still in idle, and start connecting */ |
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GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) == |
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GRPC_CHANNEL_IDLE); |
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/* start watching for a change */ |
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grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_IDLE, |
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GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), |
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f.cq, tag(2)); |
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/* and now the watch should trigger */ |
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cq_expect_completion(cqv, tag(2), 1); |
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cq_verify(cqv); |
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state = grpc_channel_check_connectivity_state(f.client, 0); |
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GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
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state == GRPC_CHANNEL_CONNECTING); |
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/* quickly followed by a transition to TRANSIENT_FAILURE */ |
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grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_CONNECTING, |
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GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), |
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f.cq, tag(3)); |
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cq_expect_completion(cqv, tag(3), 1); |
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cq_verify(cqv); |
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state = grpc_channel_check_connectivity_state(f.client, 0); |
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GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
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state == GRPC_CHANNEL_CONNECTING); |
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gpr_log(GPR_DEBUG, "*** STARTING SERVER ***"); |
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/* now let's bring up a server to connect to */ |
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config.init_server(&f, NULL); |
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gpr_log(GPR_DEBUG, "*** STARTED SERVER ***"); |
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/* we'll go through some set of transitions (some might be missed), until |
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READY is reached */ |
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while (state != GRPC_CHANNEL_READY) { |
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grpc_channel_watch_connectivity_state( |
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f.client, state, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), f.cq, tag(4)); |
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cq_expect_completion(cqv, tag(4), 1); |
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cq_verify(cqv); |
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state = grpc_channel_check_connectivity_state(f.client, 0); |
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GPR_ASSERT(state == GRPC_CHANNEL_READY || |
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state == GRPC_CHANNEL_CONNECTING || |
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state == GRPC_CHANNEL_TRANSIENT_FAILURE); |
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} |
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/* bring down the server again */ |
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/* we should go immediately to TRANSIENT_FAILURE */ |
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gpr_log(GPR_DEBUG, "*** SHUTTING DOWN SERVER ***"); |
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grpc_channel_watch_connectivity_state(f.client, GRPC_CHANNEL_READY, |
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GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), |
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f.cq, tag(5)); |
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grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead)); |
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cq_expect_completion(cqv, tag(5), 1); |
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cq_expect_completion(cqv, tag(0xdead), 1); |
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cq_verify(cqv); |
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state = grpc_channel_check_connectivity_state(f.client, 0); |
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GPR_ASSERT(state == GRPC_CHANNEL_TRANSIENT_FAILURE || |
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state == GRPC_CHANNEL_CONNECTING || state == GRPC_CHANNEL_IDLE); |
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/* cleanup server */ |
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grpc_server_destroy(f.server); |
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gpr_log(GPR_DEBUG, "*** SHUTDOWN SERVER ***"); |
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grpc_channel_destroy(f.client); |
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grpc_completion_queue_shutdown(f.cq); |
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grpc_completion_queue_destroy(f.cq); |
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config.tear_down_data(&f); |
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cq_verifier_destroy(cqv); |
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} |
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void connectivity(grpc_end2end_test_config config) { |
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GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION); |
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test_connectivity(config); |
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}
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