test/core/end2end/tests/simple_request.cc - 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 <stdint.h>
 #include <string.h>

 #include <algorithm>
 #include <functional>
 #include <memory>
 #include <string>

 #include <grpc/grpc.h>
 #include <grpc/impl/propagation_bits.h>
 #include <grpc/slice.h>
 #include <grpc/status.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>

 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/debug/stats.h"
 #include "src/core/lib/debug/stats_data.h"
 #include "test/core/end2end/cq_verifier.h"
 #include "test/core/end2end/end2end_tests.h"
 #include "test/core/util/test_config.h"

 static std::unique_ptr<CoreTestFixture> begin_test(
     const CoreTestConfiguration& config, const char* test_name,
     grpc_channel_args* client_args, grpc_channel_args* server_args) {
   gpr_log(GPR_INFO, "%s", std::string(100, '*').c_str());
   gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
   auto f = config.create_fixture(grpc_core::ChannelArgs::FromC(client_args),
                                  grpc_core::ChannelArgs::FromC(server_args));
   f->InitServer(grpc_core::ChannelArgs::FromC(server_args));
   f->InitClient(grpc_core::ChannelArgs::FromC(client_args));
   return f;
 }

 static void check_peer(char* peer_name) {
   // If the peer name is a uds path, then check if it is filled
   if (strncmp(peer_name, "unix:/", strlen("unix:/")) == 0) {
     GPR_ASSERT(strncmp(peer_name, "unix:/tmp/grpc_fullstack_test.",
                        strlen("unix:/tmp/grpc_fullstack_test.")) == 0);
   }
 }

 static void simple_request_body(const CoreTestConfiguration& config,
                                 CoreTestFixture* f) {
   grpc_call* c;
   grpc_call* s;
   grpc_core::CqVerifier cqv(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;
   const char* error_string;
   grpc_call_error error;
   grpc_slice details;
   int was_cancelled = 2;
   char* peer;

   auto before = grpc_core::global_stats().Collect();

   gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5);
   c = grpc_channel_create_call(f->client(), nullptr, GRPC_PROPAGATE_DEFAULTS,
                                f->cq(), grpc_slice_from_static_string("/foo"),
                                nullptr, deadline, nullptr);
   GPR_ASSERT(c);

   peer = grpc_call_get_peer(c);
   GPR_ASSERT(peer != nullptr);
   gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
   gpr_free(peer);

   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->flags = 0;
   op->reserved = nullptr;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
   op->flags = 0;
   op->reserved = nullptr;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
   op->flags = 0;
   op->reserved = nullptr;
   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->data.recv_status_on_client.error_string = &error_string;
   op->flags = 0;
   op->reserved = nullptr;
   op++;
   error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops),
                                 grpc_core::CqVerifier::tag(1), nullptr);
   GPR_ASSERT(GRPC_CALL_OK == error);

   error = grpc_server_request_call(f->server(), &s, &call_details,
                                    &request_metadata_recv, f->cq(), f->cq(),
                                    grpc_core::CqVerifier::tag(101));
   GPR_ASSERT(GRPC_CALL_OK == error);
   cqv.Expect(grpc_core::CqVerifier::tag(101), true);
   cqv.Verify();

   peer = grpc_call_get_peer(s);
   GPR_ASSERT(peer != nullptr);
   gpr_log(GPR_DEBUG, "server_peer=%s", peer);
   check_peer(peer);
   gpr_free(peer);
   peer = grpc_call_get_peer(c);
   GPR_ASSERT(peer != nullptr);
   gpr_log(GPR_DEBUG, "client_peer=%s", peer);
   check_peer(peer);
   gpr_free(peer);

   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 = nullptr;
   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 = nullptr;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
   op->flags = 0;
   op->reserved = nullptr;
   op++;
   error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops),
                                 grpc_core::CqVerifier::tag(102), nullptr);
   GPR_ASSERT(GRPC_CALL_OK == error);

   cqv.Expect(grpc_core::CqVerifier::tag(102), true);
   cqv.Expect(grpc_core::CqVerifier::tag(1), true);
   cqv.Verify();

   GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
   GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
   // the following sanity check makes sure that the requested error string is
   // correctly populated by the core. It looks for certain substrings that are
   // not likely to change much. Some parts of the error, like time created,
   // obviously are not checked.
   GPR_ASSERT(nullptr != strstr(error_string, "xyz"));
   GPR_ASSERT(nullptr != strstr(error_string, "Error received from peer"));
   GPR_ASSERT(nullptr != strstr(error_string, "grpc_message"));
   GPR_ASSERT(nullptr != strstr(error_string, "grpc_status"));
   GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
   GPR_ASSERT(was_cancelled == 0);

   grpc_slice_unref(details);
   gpr_free(const_cast<char*>(error_string));
   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);
   grpc_call_unref(s);

   uint64_t expected_calls = 1;
   if (config.feature_mask & FEATURE_MASK_SUPPORTS_REQUEST_PROXYING) {
     expected_calls *= 2;
   }

   auto after = grpc_core::global_stats().Collect();

   gpr_log(GPR_DEBUG, "%s", grpc_core::StatsAsJson(after.get()).c_str());

   GPR_ASSERT(after->client_calls_created - before->client_calls_created ==
              expected_calls);
   GPR_ASSERT(after->server_calls_created - before->server_calls_created ==
              expected_calls);
 }

 static void test_invoke_simple_request(const CoreTestConfiguration& config) {
   auto f = begin_test(config, "test_invoke_simple_request", nullptr, nullptr);
   simple_request_body(config, f.get());
 }

 static void test_invoke_10_simple_requests(
     const CoreTestConfiguration& config) {
   int i;
   auto f =
       begin_test(config, "test_invoke_10_simple_requests", nullptr, nullptr);
   for (i = 0; i < 10; i++) {
     simple_request_body(config, f.get());
     gpr_log(GPR_INFO, "Running test: Passed simple request %d", i);
   }
 }

 void simple_request(const CoreTestConfiguration& config) {
   int i;
   for (i = 0; i < 10; i++) {
     test_invoke_simple_request(config);
   }
   test_invoke_10_simple_requests(config);
 }

 void simple_request_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 <stdint.h>
	#include <string.h>

	#include <algorithm>
	#include <functional>
	#include <memory>
	#include <string>

	#include <grpc/grpc.h>
	#include <grpc/impl/propagation_bits.h>
	#include <grpc/slice.h>
	#include <grpc/status.h>
	#include <grpc/support/alloc.h>
	#include <grpc/support/log.h>
	#include <grpc/support/time.h>

	#include "src/core/lib/channel/channel_args.h"
	#include "src/core/lib/debug/stats.h"
	#include "src/core/lib/debug/stats_data.h"
	#include "test/core/end2end/cq_verifier.h"
	#include "test/core/end2end/end2end_tests.h"
	#include "test/core/util/test_config.h"

	static std::unique_ptr<CoreTestFixture> begin_test(
	const CoreTestConfiguration& config, const char* test_name,
	grpc_channel_args* client_args, grpc_channel_args* server_args) {
	gpr_log(GPR_INFO, "%s", std::string(100, '*').c_str());
	gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
	auto f = config.create_fixture(grpc_core::ChannelArgs::FromC(client_args),
	grpc_core::ChannelArgs::FromC(server_args));
	f->InitServer(grpc_core::ChannelArgs::FromC(server_args));
	f->InitClient(grpc_core::ChannelArgs::FromC(client_args));
	return f;
	}

	static void check_peer(char* peer_name) {
	// If the peer name is a uds path, then check if it is filled
	if (strncmp(peer_name, "unix:/", strlen("unix:/")) == 0) {
	GPR_ASSERT(strncmp(peer_name, "unix:/tmp/grpc_fullstack_test.",
	strlen("unix:/tmp/grpc_fullstack_test.")) == 0);
	}
	}

	static void simple_request_body(const CoreTestConfiguration& config,
	CoreTestFixture* f) {
	grpc_call* c;
	grpc_call* s;
	grpc_core::CqVerifier cqv(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;
	const char* error_string;
	grpc_call_error error;
	grpc_slice details;
	int was_cancelled = 2;
	char* peer;

	auto before = grpc_core::global_stats().Collect();

	gpr_timespec deadline = grpc_timeout_seconds_to_deadline(5);
	c = grpc_channel_create_call(f->client(), nullptr, GRPC_PROPAGATE_DEFAULTS,
	f->cq(), grpc_slice_from_static_string("/foo"),
	nullptr, deadline, nullptr);
	GPR_ASSERT(c);

	peer = grpc_call_get_peer(c);
	GPR_ASSERT(peer != nullptr);
	gpr_log(GPR_DEBUG, "client_peer_before_call=%s", peer);
	gpr_free(peer);

	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->flags = 0;
	op->reserved = nullptr;
	op++;
	op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
	op->flags = 0;
	op->reserved = nullptr;
	op++;
	op->op = GRPC_OP_RECV_INITIAL_METADATA;
	op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
	op->flags = 0;
	op->reserved = nullptr;
	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->data.recv_status_on_client.error_string = &error_string;
	op->flags = 0;
	op->reserved = nullptr;
	op++;
	error = grpc_call_start_batch(c, ops, static_cast<size_t>(op - ops),
	grpc_core::CqVerifier::tag(1), nullptr);
	GPR_ASSERT(GRPC_CALL_OK == error);

	error = grpc_server_request_call(f->server(), &s, &call_details,
	&request_metadata_recv, f->cq(), f->cq(),
	grpc_core::CqVerifier::tag(101));
	GPR_ASSERT(GRPC_CALL_OK == error);
	cqv.Expect(grpc_core::CqVerifier::tag(101), true);
	cqv.Verify();

	peer = grpc_call_get_peer(s);
	GPR_ASSERT(peer != nullptr);
	gpr_log(GPR_DEBUG, "server_peer=%s", peer);
	check_peer(peer);
	gpr_free(peer);
	peer = grpc_call_get_peer(c);
	GPR_ASSERT(peer != nullptr);
	gpr_log(GPR_DEBUG, "client_peer=%s", peer);
	check_peer(peer);
	gpr_free(peer);

	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 = nullptr;
	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 = nullptr;
	op++;
	op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
	op->data.recv_close_on_server.cancelled = &was_cancelled;
	op->flags = 0;
	op->reserved = nullptr;
	op++;
	error = grpc_call_start_batch(s, ops, static_cast<size_t>(op - ops),
	grpc_core::CqVerifier::tag(102), nullptr);
	GPR_ASSERT(GRPC_CALL_OK == error);

	cqv.Expect(grpc_core::CqVerifier::tag(102), true);
	cqv.Expect(grpc_core::CqVerifier::tag(1), true);
	cqv.Verify();

	GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
	GPR_ASSERT(0 == grpc_slice_str_cmp(details, "xyz"));
	// the following sanity check makes sure that the requested error string is
	// correctly populated by the core. It looks for certain substrings that are
	// not likely to change much. Some parts of the error, like time created,
	// obviously are not checked.
	GPR_ASSERT(nullptr != strstr(error_string, "xyz"));
	GPR_ASSERT(nullptr != strstr(error_string, "Error received from peer"));
	GPR_ASSERT(nullptr != strstr(error_string, "grpc_message"));
	GPR_ASSERT(nullptr != strstr(error_string, "grpc_status"));
	GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo"));
	GPR_ASSERT(was_cancelled == 0);

	grpc_slice_unref(details);
	gpr_free(const_cast<char*>(error_string));
	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);
	grpc_call_unref(s);

	uint64_t expected_calls = 1;
	if (config.feature_mask & FEATURE_MASK_SUPPORTS_REQUEST_PROXYING) {
	expected_calls *= 2;
	}

	auto after = grpc_core::global_stats().Collect();

	gpr_log(GPR_DEBUG, "%s", grpc_core::StatsAsJson(after.get()).c_str());

	GPR_ASSERT(after->client_calls_created - before->client_calls_created ==
	expected_calls);
	GPR_ASSERT(after->server_calls_created - before->server_calls_created ==
	expected_calls);
	}

	static void test_invoke_simple_request(const CoreTestConfiguration& config) {
	auto f = begin_test(config, "test_invoke_simple_request", nullptr, nullptr);
	simple_request_body(config, f.get());
	}

	static void test_invoke_10_simple_requests(
	const CoreTestConfiguration& config) {
	int i;
	auto f =
	begin_test(config, "test_invoke_10_simple_requests", nullptr, nullptr);
	for (i = 0; i < 10; i++) {
	simple_request_body(config, f.get());
	gpr_log(GPR_INFO, "Running test: Passed simple request %d", i);
	}
	}

	void simple_request(const CoreTestConfiguration& config) {
	int i;
	for (i = 0; i < 10; i++) {
	test_invoke_simple_request(config);
	}
	test_invoke_10_simple_requests(config);
	}

	void simple_request_pre_init(void) {}