test/cpp/interop/http2_client.cc - platform/external/grpc-grpc - Gitiles

 /*
  *
  * Copyright 2016, 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 <thread>

 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>

 #include "src/core/lib/transport/byte_stream.h"
 #include "src/proto/grpc/testing/messages.grpc.pb.h"
 #include "src/proto/grpc/testing/test.grpc.pb.h"
 #include "test/cpp/interop/http2_client.h"

 #include "src/core/lib/support/string.h"
 #include "test/cpp/util/create_test_channel.h"
 #include "test/cpp/util/test_config.h"

 namespace grpc {
 namespace testing {

 namespace {
 const int kLargeRequestSize = 271828;
 const int kLargeResponseSize = 314159;
 }  // namespace

 Http2Client::ServiceStub::ServiceStub(std::shared_ptr<Channel> channel)
     : channel_(channel) {
   stub_ = TestService::NewStub(channel);
 }

 TestService::Stub* Http2Client::ServiceStub::Get() { return stub_.get(); }

 Http2Client::Http2Client(std::shared_ptr<Channel> channel)
     : serviceStub_(channel), channel_(channel) {}

 bool Http2Client::AssertStatusCode(const Status& s, StatusCode expected_code) {
   if (s.error_code() == expected_code) {
     return true;
   }

   gpr_log(GPR_ERROR, "Error status code: %d (expected: %d), message: %s",
           s.error_code(), expected_code, s.error_message().c_str());
   abort();
 }

 bool Http2Client::DoRstAfterHeader() {
   gpr_log(GPR_DEBUG, "Sending RPC and expecting reset stream after header");

   ClientContext context;
   SimpleRequest request;
   SimpleResponse response;
   request.set_response_size(kLargeResponseSize);
   grpc::string payload(kLargeRequestSize, '\0');
   request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

   Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
   AssertStatusCode(s, grpc::StatusCode::UNKNOWN);
   GPR_ASSERT(!response.has_payload());  // no data should be received

   gpr_log(GPR_DEBUG, "Done testing reset stream after header");
   return true;
 }

 bool Http2Client::DoRstAfterData() {
   gpr_log(GPR_DEBUG, "Sending RPC and expecting reset stream after data");

   ClientContext context;
   SimpleRequest request;
   SimpleResponse response;
   request.set_response_size(kLargeResponseSize);
   grpc::string payload(kLargeRequestSize, '\0');
   request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

   Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
   AssertStatusCode(s, grpc::StatusCode::UNKNOWN);
   GPR_ASSERT(response.has_payload());  // data should be received

   gpr_log(GPR_DEBUG, "Done testing reset stream after data");
   return true;
 }

 bool Http2Client::DoRstDuringData() {
   gpr_log(GPR_DEBUG, "Sending RPC and expecting reset stream during data");

   ClientContext context;
   SimpleRequest request;
   SimpleResponse response;
   request.set_response_size(kLargeResponseSize);
   grpc::string payload(kLargeRequestSize, '\0');
   request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

   Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
   AssertStatusCode(s, grpc::StatusCode::UNKNOWN);
   GPR_ASSERT(!response.has_payload());  // no data should be received

   gpr_log(GPR_DEBUG, "Done testing reset stream during data");
   return true;
 }

 bool Http2Client::DoGoaway() {
   gpr_log(GPR_DEBUG, "Sending two RPCs and expecting goaway");

   int numCalls = 2;
   for (int i = 0; i < numCalls; i++) {
     ClientContext context;
     SimpleRequest request;
     SimpleResponse response;
     request.set_response_size(kLargeResponseSize);
     grpc::string payload(kLargeRequestSize, '\0');
     request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

     Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
     AssertStatusCode(s, grpc::StatusCode::OK);
     GPR_ASSERT(response.payload().body() ==
                grpc::string(kLargeResponseSize, '\0'));
   }

   gpr_log(GPR_DEBUG, "Done testing goaway");
   return true;
 }

 bool Http2Client::DoPing() {
   gpr_log(GPR_DEBUG, "Sending RPC and expecting ping");

   ClientContext context;
   SimpleRequest request;
   SimpleResponse response;
   request.set_response_size(kLargeResponseSize);
   grpc::string payload(kLargeRequestSize, '\0');
   request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

   Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
   AssertStatusCode(s, grpc::StatusCode::OK);
   GPR_ASSERT(response.payload().body() ==
              grpc::string(kLargeResponseSize, '\0'));

   gpr_log(GPR_DEBUG, "Done testing ping");
   return true;
 }

 void Http2Client::MaxStreamsWorker(std::shared_ptr<grpc::Channel> channel) {
   ClientContext context;
   SimpleRequest request;
   SimpleResponse response;
   request.set_response_size(kLargeResponseSize);
   grpc::string payload(kLargeRequestSize, '\0');
   request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

   Status s =
       TestService::NewStub(channel)->UnaryCall(&context, request, &response);
   AssertStatusCode(s, grpc::StatusCode::OK);
   GPR_ASSERT(response.payload().body() ==
              grpc::string(kLargeResponseSize, '\0'));
 }

 bool Http2Client::DoMaxStreams() {
   gpr_log(GPR_DEBUG, "Testing max streams");

   // Make an initial call on the channel to ensure the server's max streams
   // setting is received
   ClientContext context;
   SimpleRequest request;
   SimpleResponse response;
   request.set_response_size(kLargeResponseSize);
   grpc::string payload(kLargeRequestSize, '\0');
   request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);
   Status s =
       TestService::NewStub(channel_)->UnaryCall(&context, request, &response);
   AssertStatusCode(s, grpc::StatusCode::OK);
   GPR_ASSERT(response.payload().body() ==
              grpc::string(kLargeResponseSize, '\0'));

   std::vector<std::thread> test_threads;

   for (int i = 0; i < 10; i++) {
     test_threads.emplace_back(
         std::thread(&Http2Client::MaxStreamsWorker, this, channel_));
   }

   for (auto it = test_threads.begin(); it != test_threads.end(); it++) {
     it->join();
   }

   gpr_log(GPR_DEBUG, "Done testing max streams");
   return true;
 }

 }  // namespace testing
 }  // namespace grpc

 DEFINE_int32(server_port, 0, "Server port.");
 DEFINE_string(server_host, "localhost", "Server host to connect to");
 DEFINE_string(test_case, "rst_after_header",
               "Configure different test cases. Valid options are:\n\n"
               "goaway\n"
               "max_streams\n"
               "ping\n"
               "rst_after_data\n"
               "rst_after_header\n"
               "rst_during_data\n");

 int main(int argc, char** argv) {
   grpc::testing::InitTest(&argc, &argv, true);
   GPR_ASSERT(FLAGS_server_port);
   const int host_port_buf_size = 1024;
   char host_port[host_port_buf_size];
   snprintf(host_port, host_port_buf_size, "%s:%d", FLAGS_server_host.c_str(),
            FLAGS_server_port);
   grpc::testing::Http2Client client(grpc::CreateTestChannel(host_port, false));
   gpr_log(GPR_INFO, "Testing case: %s", FLAGS_test_case.c_str());
   int ret = 0;
   if (FLAGS_test_case == "rst_after_header") {
     client.DoRstAfterHeader();
   } else if (FLAGS_test_case == "rst_after_data") {
     client.DoRstAfterData();
   } else if (FLAGS_test_case == "rst_during_data") {
     client.DoRstDuringData();
   } else if (FLAGS_test_case == "goaway") {
     client.DoGoaway();
   } else if (FLAGS_test_case == "ping") {
     client.DoPing();
   } else if (FLAGS_test_case == "max_streams") {
     client.DoMaxStreams();
   } else {
     const char* testcases[] = {
         "goaway",         "max_streams",      "ping",
         "rst_after_data", "rst_after_header", "rst_during_data"};
     char* joined_testcases =
         gpr_strjoin_sep(testcases, GPR_ARRAY_SIZE(testcases), "\n", NULL);

     gpr_log(GPR_ERROR, "Unsupported test case %s. Valid options are\n%s",
             FLAGS_test_case.c_str(), joined_testcases);
     gpr_free(joined_testcases);
     ret = 1;
   }

   return ret;
 }
	/*
	*
	* Copyright 2016, 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 <thread>

	#include <gflags/gflags.h>
	#include <grpc++/channel.h>
	#include <grpc++/client_context.h>
	#include <grpc/support/alloc.h>
	#include <grpc/support/log.h>
	#include <grpc/support/useful.h>

	#include "src/core/lib/transport/byte_stream.h"
	#include "src/proto/grpc/testing/messages.grpc.pb.h"
	#include "src/proto/grpc/testing/test.grpc.pb.h"
	#include "test/cpp/interop/http2_client.h"

	#include "src/core/lib/support/string.h"
	#include "test/cpp/util/create_test_channel.h"
	#include "test/cpp/util/test_config.h"

	namespace grpc {
	namespace testing {

	namespace {
	const int kLargeRequestSize = 271828;
	const int kLargeResponseSize = 314159;
	} // namespace

	Http2Client::ServiceStub::ServiceStub(std::shared_ptr<Channel> channel)
	: channel_(channel) {
	stub_ = TestService::NewStub(channel);
	}

	TestService::Stub* Http2Client::ServiceStub::Get() { return stub_.get(); }

	Http2Client::Http2Client(std::shared_ptr<Channel> channel)
	: serviceStub_(channel), channel_(channel) {}

	bool Http2Client::AssertStatusCode(const Status& s, StatusCode expected_code) {
	if (s.error_code() == expected_code) {
	return true;
	}

	gpr_log(GPR_ERROR, "Error status code: %d (expected: %d), message: %s",
	s.error_code(), expected_code, s.error_message().c_str());
	abort();
	}

	bool Http2Client::DoRstAfterHeader() {
	gpr_log(GPR_DEBUG, "Sending RPC and expecting reset stream after header");

	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

	Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::UNKNOWN);
	GPR_ASSERT(!response.has_payload()); // no data should be received

	gpr_log(GPR_DEBUG, "Done testing reset stream after header");
	return true;
	}

	bool Http2Client::DoRstAfterData() {
	gpr_log(GPR_DEBUG, "Sending RPC and expecting reset stream after data");

	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

	Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::UNKNOWN);
	GPR_ASSERT(response.has_payload()); // data should be received

	gpr_log(GPR_DEBUG, "Done testing reset stream after data");
	return true;
	}

	bool Http2Client::DoRstDuringData() {
	gpr_log(GPR_DEBUG, "Sending RPC and expecting reset stream during data");

	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

	Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::UNKNOWN);
	GPR_ASSERT(!response.has_payload()); // no data should be received

	gpr_log(GPR_DEBUG, "Done testing reset stream during data");
	return true;
	}

	bool Http2Client::DoGoaway() {
	gpr_log(GPR_DEBUG, "Sending two RPCs and expecting goaway");

	int numCalls = 2;
	for (int i = 0; i < numCalls; i++) {
	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

	Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::OK);
	GPR_ASSERT(response.payload().body() ==
	grpc::string(kLargeResponseSize, '\0'));
	}

	gpr_log(GPR_DEBUG, "Done testing goaway");
	return true;
	}

	bool Http2Client::DoPing() {
	gpr_log(GPR_DEBUG, "Sending RPC and expecting ping");

	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

	Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::OK);
	GPR_ASSERT(response.payload().body() ==
	grpc::string(kLargeResponseSize, '\0'));

	gpr_log(GPR_DEBUG, "Done testing ping");
	return true;
	}

	void Http2Client::MaxStreamsWorker(std::shared_ptr<grpc::Channel> channel) {
	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

	Status s =
	TestService::NewStub(channel)->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::OK);
	GPR_ASSERT(response.payload().body() ==
	grpc::string(kLargeResponseSize, '\0'));
	}

	bool Http2Client::DoMaxStreams() {
	gpr_log(GPR_DEBUG, "Testing max streams");

	// Make an initial call on the channel to ensure the server's max streams
	// setting is received
	ClientContext context;
	SimpleRequest request;
	SimpleResponse response;
	request.set_response_size(kLargeResponseSize);
	grpc::string payload(kLargeRequestSize, '\0');
	request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);
	Status s =
	TestService::NewStub(channel_)->UnaryCall(&context, request, &response);
	AssertStatusCode(s, grpc::StatusCode::OK);
	GPR_ASSERT(response.payload().body() ==
	grpc::string(kLargeResponseSize, '\0'));

	std::vector<std::thread> test_threads;

	for (int i = 0; i < 10; i++) {
	test_threads.emplace_back(
	std::thread(&Http2Client::MaxStreamsWorker, this, channel_));
	}

	for (auto it = test_threads.begin(); it != test_threads.end(); it++) {
	it->join();
	}

	gpr_log(GPR_DEBUG, "Done testing max streams");
	return true;
	}

	} // namespace testing
	} // namespace grpc

	DEFINE_int32(server_port, 0, "Server port.");
	DEFINE_string(server_host, "localhost", "Server host to connect to");
	DEFINE_string(test_case, "rst_after_header",
	"Configure different test cases. Valid options are:\n\n"
	"goaway\n"
	"max_streams\n"
	"ping\n"
	"rst_after_data\n"
	"rst_after_header\n"
	"rst_during_data\n");

	int main(int argc, char** argv) {
	grpc::testing::InitTest(&argc, &argv, true);
	GPR_ASSERT(FLAGS_server_port);
	const int host_port_buf_size = 1024;
	char host_port[host_port_buf_size];
	snprintf(host_port, host_port_buf_size, "%s:%d", FLAGS_server_host.c_str(),
	FLAGS_server_port);
	grpc::testing::Http2Client client(grpc::CreateTestChannel(host_port, false));
	gpr_log(GPR_INFO, "Testing case: %s", FLAGS_test_case.c_str());
	int ret = 0;
	if (FLAGS_test_case == "rst_after_header") {
	client.DoRstAfterHeader();
	} else if (FLAGS_test_case == "rst_after_data") {
	client.DoRstAfterData();
	} else if (FLAGS_test_case == "rst_during_data") {
	client.DoRstDuringData();
	} else if (FLAGS_test_case == "goaway") {
	client.DoGoaway();
	} else if (FLAGS_test_case == "ping") {
	client.DoPing();
	} else if (FLAGS_test_case == "max_streams") {
	client.DoMaxStreams();
	} else {
	const char* testcases[] = {
	"goaway", "max_streams", "ping",
	"rst_after_data", "rst_after_header", "rst_during_data"};
	char* joined_testcases =
	gpr_strjoin_sep(testcases, GPR_ARRAY_SIZE(testcases), "\n", NULL);

	gpr_log(GPR_ERROR, "Unsupported test case %s. Valid options are\n%s",
	FLAGS_test_case.c_str(), joined_testcases);
	gpr_free(joined_testcases);
	ret = 1;
	}

	return ret;
	}