test/core/end2end/tests/cancel_after_accept.c - third_party/grpc - Git at Google

 /*
  *
  * 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 "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/slice/slice_internal.h"
 #include "src/core/lib/transport/metadata.h"
 #include "src/core/lib/transport/service_config.h"

 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/end2end/tests/cancel_test_helpers.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,
                                             cancellation_mode mode,
                                             bool use_service_config,
                                             grpc_channel_args *client_args,
                                             grpc_channel_args *server_args) {
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "Running test: %s/%s/%s/%s", test_name, config.name,
           mode.name, use_service_config ? "service_config" : "client_api");
   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_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
   GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
                                          grpc_timeout_seconds_to_deadline(5),
                                          NULL)
                  .type == GRPC_OP_COMPLETE);
   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);
   grpc_completion_queue_destroy(f->shutdown_cq);
 }

 /* Cancel after accept, no payload */
 static void test_cancel_after_accept(grpc_end2end_test_config config,
                                      cancellation_mode mode,
                                      bool use_service_config) {
   grpc_op ops[6];
   grpc_op *op;
   grpc_call *c;
   grpc_call *s;
   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;
   grpc_byte_buffer *request_payload_recv = NULL;
   grpc_byte_buffer *response_payload_recv = NULL;
   grpc_slice request_payload_slice =
       grpc_slice_from_copied_string("hello world");
   grpc_slice response_payload_slice =
       grpc_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
       grpc_raw_byte_buffer_create(&response_payload_slice, 1);
   int was_cancelled = 2;

   grpc_channel_args *args = NULL;
   if (use_service_config) {
     grpc_arg arg;
     arg.type = GRPC_ARG_STRING;
     arg.key = GRPC_ARG_SERVICE_CONFIG;
     arg.value.string =
         "{\n"
         "  \"methodConfig\": [ {\n"
         "    \"name\": [\n"
         "      { \"service\": \"service\", \"method\": \"method\" }\n"
         "    ],\n"
         "    \"timeout\": \"5s\"\n"
         "  } ]\n"
         "}";
     args = grpc_channel_args_copy_and_add(args, &arg, 1);
   }

   grpc_end2end_test_fixture f = begin_test(config, "cancel_after_accept", mode,
                                            use_service_config, args, NULL);
   cq_verifier *cqv = cq_verifier_create(f.cq);

   gpr_timespec deadline = use_service_config
                               ? gpr_inf_future(GPR_CLOCK_MONOTONIC)
                               : five_seconds_from_now();
   c = grpc_channel_create_call(
       f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
       grpc_slice_from_static_string("/service/method"),
       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_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++;
   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_MESSAGE;
   op->data.send_message.send_message = request_payload;
   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_MESSAGE;
   op->data.recv_message.recv_message = &response_payload_recv;
   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(2));
   GPR_ASSERT(GRPC_CALL_OK == error);
   CQ_EXPECT_COMPLETION(cqv, tag(2), 1);
   cq_verify(cqv);

   memset(ops, 0, sizeof(ops));
   op = ops;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message.recv_message = &request_payload_recv;
   op->flags = 0;
   op->reserved = NULL;
   op++;
   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_MESSAGE;
   op->data.send_message.send_message = response_payload;
   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(3), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);

   GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, NULL));

   CQ_EXPECT_COMPLETION(cqv, tag(3), 1);
   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
   cq_verify(cqv);

   GPR_ASSERT(status == mode.expect_status || status == GRPC_STATUS_INTERNAL);
   GPR_ASSERT(was_cancelled == 1);

   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_byte_buffer_destroy(request_payload);
   grpc_byte_buffer_destroy(response_payload);
   grpc_byte_buffer_destroy(request_payload_recv);
   grpc_byte_buffer_destroy(response_payload_recv);
   grpc_slice_unref(details);

   grpc_call_unref(c);
   grpc_call_unref(s);

   if (args != NULL) {
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
     grpc_channel_args_destroy(&exec_ctx, args);
     grpc_exec_ctx_finish(&exec_ctx);
   }

   cq_verifier_destroy(cqv);
   end_test(&f);
   config.tear_down_data(&f);
 }

 void cancel_after_accept(grpc_end2end_test_config config) {
   unsigned i;

   for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
     test_cancel_after_accept(config, cancellation_modes[i],
                              false /* use_service_config */);
     if (config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL &&
         cancellation_modes[i].expect_status == GRPC_STATUS_DEADLINE_EXCEEDED) {
       test_cancel_after_accept(config, cancellation_modes[i],
                                true /* use_service_config */);
     }
   }
 }

 void cancel_after_accept_pre_init(void) {}
	/*
	*
	* 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 "src/core/lib/channel/channel_args.h"
	#include "src/core/lib/slice/slice_internal.h"
	#include "src/core/lib/transport/metadata.h"
	#include "src/core/lib/transport/service_config.h"

	#include "test/core/end2end/cq_verifier.h"
	#include "test/core/end2end/tests/cancel_test_helpers.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,
	cancellation_mode mode,
	bool use_service_config,
	grpc_channel_args *client_args,
	grpc_channel_args *server_args) {
	grpc_end2end_test_fixture f;
	gpr_log(GPR_INFO, "Running test: %s/%s/%s/%s", test_name, config.name,
	mode.name, use_service_config ? "service_config" : "client_api");
	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_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
	GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
	grpc_timeout_seconds_to_deadline(5),
	NULL)
	.type == GRPC_OP_COMPLETE);
	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);
	grpc_completion_queue_destroy(f->shutdown_cq);
	}

	/* Cancel after accept, no payload */
	static void test_cancel_after_accept(grpc_end2end_test_config config,
	cancellation_mode mode,
	bool use_service_config) {
	grpc_op ops[6];
	grpc_op *op;
	grpc_call *c;
	grpc_call *s;
	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;
	grpc_byte_buffer *request_payload_recv = NULL;
	grpc_byte_buffer *response_payload_recv = NULL;
	grpc_slice request_payload_slice =
	grpc_slice_from_copied_string("hello world");
	grpc_slice response_payload_slice =
	grpc_slice_from_copied_string("hello you");
	grpc_byte_buffer *request_payload =
	grpc_raw_byte_buffer_create(&request_payload_slice, 1);
	grpc_byte_buffer *response_payload =
	grpc_raw_byte_buffer_create(&response_payload_slice, 1);
	int was_cancelled = 2;

	grpc_channel_args *args = NULL;
	if (use_service_config) {
	grpc_arg arg;
	arg.type = GRPC_ARG_STRING;
	arg.key = GRPC_ARG_SERVICE_CONFIG;
	arg.value.string =
	"{\n"
	" \"methodConfig\": [ {\n"
	" \"name\": [\n"
	" { \"service\": \"service\", \"method\": \"method\" }\n"
	" ],\n"
	" \"timeout\": \"5s\"\n"
	" } ]\n"
	"}";
	args = grpc_channel_args_copy_and_add(args, &arg, 1);
	}

	grpc_end2end_test_fixture f = begin_test(config, "cancel_after_accept", mode,
	use_service_config, args, NULL);
	cq_verifier *cqv = cq_verifier_create(f.cq);

	gpr_timespec deadline = use_service_config
	? gpr_inf_future(GPR_CLOCK_MONOTONIC)
	: five_seconds_from_now();
	c = grpc_channel_create_call(
	f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
	grpc_slice_from_static_string("/service/method"),
	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_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++;
	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_MESSAGE;
	op->data.send_message.send_message = request_payload;
	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_MESSAGE;
	op->data.recv_message.recv_message = &response_payload_recv;
	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(2));
	GPR_ASSERT(GRPC_CALL_OK == error);
	CQ_EXPECT_COMPLETION(cqv, tag(2), 1);
	cq_verify(cqv);

	memset(ops, 0, sizeof(ops));
	op = ops;
	op->op = GRPC_OP_RECV_MESSAGE;
	op->data.recv_message.recv_message = &request_payload_recv;
	op->flags = 0;
	op->reserved = NULL;
	op++;
	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_MESSAGE;
	op->data.send_message.send_message = response_payload;
	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(3), NULL);
	GPR_ASSERT(GRPC_CALL_OK == error);

	GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, NULL));

	CQ_EXPECT_COMPLETION(cqv, tag(3), 1);
	CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
	cq_verify(cqv);

	GPR_ASSERT(status == mode.expect_status \|\| status == GRPC_STATUS_INTERNAL);
	GPR_ASSERT(was_cancelled == 1);

	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_byte_buffer_destroy(request_payload);
	grpc_byte_buffer_destroy(response_payload);
	grpc_byte_buffer_destroy(request_payload_recv);
	grpc_byte_buffer_destroy(response_payload_recv);
	grpc_slice_unref(details);

	grpc_call_unref(c);
	grpc_call_unref(s);

	if (args != NULL) {
	grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
	grpc_channel_args_destroy(&exec_ctx, args);
	grpc_exec_ctx_finish(&exec_ctx);
	}

	cq_verifier_destroy(cqv);
	end_test(&f);
	config.tear_down_data(&f);
	}

	void cancel_after_accept(grpc_end2end_test_config config) {
	unsigned i;

	for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
	test_cancel_after_accept(config, cancellation_modes[i],
	false /* use_service_config */);
	if (config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL &&
	cancellation_modes[i].expect_status == GRPC_STATUS_DEADLINE_EXCEEDED) {
	test_cancel_after_accept(config, cancellation_modes[i],
	true /* use_service_config */);
	}
	}
	}

	void cancel_after_accept_pre_init(void) {}