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/*
*
* Copyright 2014, 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 <stdio.h>
#include <string.h>
#include <unistd.h>
#include <grpc/byte_buffer.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include <grpc/support/useful.h>
#include "test/core/end2end/cq_verifier.h"
enum { TIMEOUT = 200000 };
static void *tag(gpr_intptr t) { return (void *)t; }
static gpr_timespec n_seconds_time(int n) {
return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
}
static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
static void drain_cq(grpc_completion_queue *cq) {
grpc_event *ev;
grpc_completion_type type;
do {
ev = grpc_completion_queue_next(cq, five_seconds_time());
GPR_ASSERT(ev);
type = ev->type;
grpc_event_finish(ev);
} while (type != GRPC_QUEUE_SHUTDOWN);
}
static void shutdown_server(grpc_end2end_test_fixture *f) {
if (!f->server) return;
grpc_server_shutdown(f->server);
grpc_server_destroy(f->server);
f->server = NULL;
}
static void shutdown_client(grpc_end2end_test_fixture *f) {
if (!f->client) return;
grpc_channel_destroy(f->client);
f->client = NULL;
}
static void end_test(grpc_end2end_test_fixture *f) {
shutdown_server(f);
shutdown_client(f);
grpc_completion_queue_shutdown(f->server_cq);
drain_cq(f->server_cq);
grpc_completion_queue_destroy(f->server_cq);
grpc_completion_queue_shutdown(f->client_cq);
drain_cq(f->client_cq);
grpc_completion_queue_destroy(f->client_cq);
}
static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
cq_verifier *v_client,
cq_verifier *v_server) {
grpc_call *c;
grpc_call *s;
gpr_timespec deadline = five_seconds_time();
c = grpc_channel_create_call_old(f->client, "/foo", "foo.test.google.com",
deadline);
GPR_ASSERT(c);
GPR_ASSERT(GRPC_CALL_OK ==
grpc_call_invoke_old(c, f->client_cq, tag(2), tag(3), 0));
GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
cq_verify(v_client);
GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f->server, tag(100)));
cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.com",
deadline, NULL);
cq_verify(v_server);
GPR_ASSERT(GRPC_CALL_OK ==
grpc_call_server_accept_old(s, f->server_cq, tag(102)));
GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
cq_expect_client_metadata_read(v_client, tag(2), NULL);
cq_verify(v_client);
/* should be able to shut down the server early
- and still complete the request */
grpc_server_shutdown(f->server);
GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(5)));
cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
"xyz", NULL);
cq_verify(v_client);
cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
cq_expect_finished(v_server, tag(102), NULL);
cq_verify(v_server);
grpc_call_destroy(c);
grpc_call_destroy(s);
}
static void disappearing_server_test(grpc_end2end_test_config config) {
grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
cq_verifier *v_client = cq_verifier_create(f.client_cq);
cq_verifier *v_server = cq_verifier_create(f.server_cq);
gpr_log(GPR_INFO, "%s/%s", __FUNCTION__, config.name);
config.init_client(&f, NULL);
config.init_server(&f, NULL);
do_request_and_shutdown_server(&f, v_client, v_server);
/* now destroy and recreate the server */
config.init_server(&f, NULL);
do_request_and_shutdown_server(&f, v_client, v_server);
cq_verifier_destroy(v_client);
cq_verifier_destroy(v_server);
end_test(&f);
config.tear_down_data(&f);
}
void grpc_end2end_tests(grpc_end2end_test_config config) {
if (config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION) {
disappearing_server_test(config);
}
}
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