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/*
*
* Copyright 2015 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 "test/core/end2end/end2end_tests.h"
#include <stdio.h>
#include <string.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"
static void *tag(intptr_t t) { return (void *)t; }
static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
const char *test_name,
grpc_channel_args *client_args,
grpc_channel_args *server_args) {
grpc_end2end_test_fixture f;
gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
f = config.create_fixture(client_args, server_args);
config.init_server(&f, server_args);
config.init_client(&f, client_args);
return f;
}
static gpr_timespec n_seconds_from_now(int n) {
return grpc_timeout_seconds_to_deadline(n);
}
static gpr_timespec five_seconds_from_now(void) {
return n_seconds_from_now(5);
}
static void drain_cq(grpc_completion_queue *cq) {
grpc_event ev;
do {
ev = grpc_completion_queue_next(cq, five_seconds_from_now(), NULL);
} while (ev.type != GRPC_QUEUE_SHUTDOWN);
}
static void shutdown_server(grpc_end2end_test_fixture *f) {
if (!f->server) return;
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->cq);
drain_cq(f->cq);
grpc_completion_queue_destroy(f->cq);
/* Note: shutdown_cq is not used in this test */
grpc_completion_queue_destroy(f->shutdown_cq);
}
static void test_early_server_shutdown_finishes_inflight_calls(
grpc_end2end_test_config config) {
grpc_call *c;
grpc_call *s;
grpc_end2end_test_fixture f = begin_test(
config, "test_early_server_shutdown_finishes_inflight_calls", NULL, NULL);
cq_verifier *cqv = cq_verifier_create(f.cq);
grpc_op ops[6];
grpc_op *op;
grpc_metadata_array initial_metadata_recv;
grpc_metadata_array trailing_metadata_recv;
grpc_metadata_array request_metadata_recv;
grpc_call_details call_details;
grpc_status_code status;
grpc_call_error error;
grpc_slice details;
int was_cancelled = 2;
gpr_timespec deadline = n_seconds_from_now(10);
c = grpc_channel_create_call(
f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
grpc_slice_from_static_string("/foo"),
get_host_override_slice("foo.test.google.fr:1234", config), deadline,
NULL);
GPR_ASSERT(c);
grpc_metadata_array_init(&initial_metadata_recv);
grpc_metadata_array_init(&trailing_metadata_recv);
grpc_metadata_array_init(&request_metadata_recv);
grpc_call_details_init(&call_details);
memset(ops, 0, sizeof(ops));
op = ops;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->data.send_initial_metadata.metadata = NULL;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_INITIAL_METADATA;
op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
op->data.recv_status_on_client.status = &status;
op->data.recv_status_on_client.status_details = &details;
op->flags = 0;
op->reserved = NULL;
op++;
error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
GPR_ASSERT(GRPC_CALL_OK == error);
error =
grpc_server_request_call(f.server, &s, &call_details,
&request_metadata_recv, f.cq, f.cq, tag(101));
GPR_ASSERT(GRPC_CALL_OK == error);
CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
cq_verify(cqv);
/* shutdown and destroy the server */
grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
cq_verify_empty(cqv);
memset(ops, 0, sizeof(ops));
op = ops;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
op->data.send_status_from_server.trailing_metadata_count = 0;
op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
grpc_slice status_details = grpc_slice_from_static_string("xyz");
op->data.send_status_from_server.status_details = &status_details;
op->flags = 0;
op->reserved = NULL;
op++;
op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
op->data.recv_close_on_server.cancelled = &was_cancelled;
op->flags = 0;
op->reserved = NULL;
op++;
error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
GPR_ASSERT(GRPC_CALL_OK == error);
CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
CQ_EXPECT_COMPLETION(cqv, tag(0xdead), 1);
CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
cq_verify(cqv);
grpc_call_unref(s);
GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
validate_host_override_string("foo.test.google.fr:1234", call_details.host,
config);
GPR_ASSERT(was_cancelled == 1);
grpc_slice_unref(details);
grpc_metadata_array_destroy(&initial_metadata_recv);
grpc_metadata_array_destroy(&trailing_metadata_recv);
grpc_metadata_array_destroy(&request_metadata_recv);
grpc_call_details_destroy(&call_details);
grpc_call_unref(c);
cq_verifier_destroy(cqv);
end_test(&f);
config.tear_down_data(&f);
}
void graceful_server_shutdown(grpc_end2end_test_config config) {
test_early_server_shutdown_finishes_inflight_calls(config);
}
void graceful_server_shutdown_pre_init(void) {}
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