mirror of https://github.com/grpc/grpc.git
Clients stay connected to a server after it shutdowns until all active calls have completed, and then they drop. After a GOAWAY or a disconnect, clients will attempt to re-resolve and reconnect to the server. Change on 2014/12/15 by ctiller <ctiller@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=82178515pull/1/merge
ctiller
10 years ago
committed by
Nicolas Noble
parent
608254011d
commit
c6d61c4dd6
19 changed files with 640 additions and 117 deletions
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/*
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* |
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* Copyright 2014, 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 <stdio.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <grpc/byte_buffer.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/time.h> |
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#include <grpc/support/useful.h> |
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#include "test/core/end2end/cq_verifier.h" |
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enum { TIMEOUT = 200000 }; |
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static void *tag(gpr_intptr t) { return (void *)t; } |
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static gpr_timespec n_seconds_time(int n) { |
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return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n)); |
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} |
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static gpr_timespec five_seconds_time() { return n_seconds_time(5); } |
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static void drain_cq(grpc_completion_queue *cq) { |
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grpc_event *ev; |
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grpc_completion_type type; |
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do { |
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ev = grpc_completion_queue_next(cq, five_seconds_time()); |
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GPR_ASSERT(ev); |
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type = ev->type; |
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grpc_event_finish(ev); |
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} while (type != GRPC_QUEUE_SHUTDOWN); |
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} |
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static void shutdown_server(grpc_end2end_test_fixture *f) { |
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if (!f->server) return; |
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grpc_server_shutdown(f->server); |
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grpc_server_destroy(f->server); |
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f->server = NULL; |
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} |
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static void shutdown_client(grpc_end2end_test_fixture *f) { |
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if (!f->client) return; |
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grpc_channel_destroy(f->client); |
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f->client = NULL; |
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} |
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static void end_test(grpc_end2end_test_fixture *f) { |
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shutdown_server(f); |
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shutdown_client(f); |
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grpc_completion_queue_shutdown(f->server_cq); |
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drain_cq(f->server_cq); |
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grpc_completion_queue_destroy(f->server_cq); |
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grpc_completion_queue_shutdown(f->client_cq); |
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drain_cq(f->client_cq); |
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grpc_completion_queue_destroy(f->client_cq); |
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} |
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static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f, |
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cq_verifier *v_client, |
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cq_verifier *v_server) { |
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grpc_call *c; |
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grpc_call *s; |
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grpc_status send_status = {GRPC_STATUS_UNIMPLEMENTED, "xyz"}; |
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gpr_timespec deadline = five_seconds_time(); |
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c = grpc_channel_create_call(f->client, "/foo", "test.google.com", deadline); |
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GPR_ASSERT(c); |
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GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_invoke(c, f->client_cq, tag(1), |
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tag(2), tag(3), 0)); |
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cq_expect_invoke_accepted(v_client, tag(1), GRPC_OP_OK); |
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cq_verify(v_client); |
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GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done(c, tag(4))); |
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cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK); |
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cq_verify(v_client); |
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GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f->server, tag(100))); |
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cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "test.google.com", |
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deadline, NULL); |
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cq_verify(v_server); |
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GPR_ASSERT(GRPC_CALL_OK == grpc_call_accept(s, f->server_cq, tag(102), 0)); |
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cq_expect_client_metadata_read(v_client, tag(2), NULL); |
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cq_verify(v_client); |
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/* should be able to shut down the server early
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- and still complete the request */ |
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grpc_server_shutdown(f->server); |
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GPR_ASSERT(GRPC_CALL_OK == |
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grpc_call_start_write_status(s, send_status, tag(5))); |
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cq_expect_finished_with_status(v_client, tag(3), send_status, NULL); |
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cq_verify(v_client); |
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cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK); |
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cq_expect_finished(v_server, tag(102), NULL); |
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cq_verify(v_server); |
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grpc_call_destroy(c); |
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grpc_call_destroy(s); |
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} |
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static void disappearing_server_test(grpc_end2end_test_config config) { |
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grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL); |
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cq_verifier *v_client = cq_verifier_create(f.client_cq); |
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cq_verifier *v_server = cq_verifier_create(f.server_cq); |
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gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name); |
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config.init_client(&f, NULL); |
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config.init_server(&f, NULL); |
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do_request_and_shutdown_server(&f, v_client, v_server); |
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/* now destroy and recreate the server */ |
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config.init_server(&f, NULL); |
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do_request_and_shutdown_server(&f, v_client, v_server); |
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cq_verifier_destroy(v_client); |
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cq_verifier_destroy(v_server); |
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end_test(&f); |
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config.tear_down_data(&f); |
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} |
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void grpc_end2end_tests(grpc_end2end_test_config config) { |
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if (config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION) { |
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disappearing_server_test(config); |
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} |
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} |
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