/*
*
* Copyright 2015-2016 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 <cinttypes>
#include <fstream>
#include <memory>
#include <utility>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/time.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/security/credentials.h>
#include "src/core/lib/transport/byte_stream.h"
#include "src/proto/grpc/testing/empty.pb.h"
#include "src/proto/grpc/testing/messages.pb.h"
#include "src/proto/grpc/testing/test.grpc.pb.h"
#include "test/cpp/interop/client_helper.h"
#include "test/cpp/interop/interop_client.h"
namespace grpc {
namespace testing {
namespace {
// The same value is defined by the Java client.
const std::vector<int> request_stream_sizes = {27182, 8, 1828, 45904};
const std::vector<int> response_stream_sizes = {31415, 9, 2653, 58979};
const int kNumResponseMessages = 2000;
const int kResponseMessageSize = 1030;
const int kReceiveDelayMilliSeconds = 20;
const int kLargeRequestSize = 271828;
const int kLargeResponseSize = 314159;
void NoopChecks(const InteropClientContextInspector& inspector,
const SimpleRequest* request, const SimpleResponse* response) {}
void UnaryCompressionChecks(const InteropClientContextInspector& inspector,
const SimpleRequest* request,
const SimpleResponse* response) {
const grpc_compression_algorithm received_compression =
inspector.GetCallCompressionAlgorithm();
if (request->response_compressed().value()) {
if (received_compression == GRPC_COMPRESS_NONE) {
// Requested some compression, got NONE. This is an error.
gpr_log(GPR_ERROR,
"Failure: Requested compression but got uncompressed response "
"from server.");
abort();
}
GPR_ASSERT(inspector.GetMessageFlags() & GRPC_WRITE_INTERNAL_COMPRESS);
} else {
// Didn't request compression -> make sure the response is uncompressed
GPR_ASSERT(!(inspector.GetMessageFlags() & GRPC_WRITE_INTERNAL_COMPRESS));
}
}
} // namespace
InteropClient::ServiceStub::ServiceStub(
ChannelCreationFunc channel_creation_func, bool new_stub_every_call)
: channel_creation_func_(channel_creation_func),
channel_(channel_creation_func_()),
new_stub_every_call_(new_stub_every_call) {
// If new_stub_every_call is false, then this is our chance to initialize
// stub_. (see Get())
if (!new_stub_every_call) {
stub_ = TestService::NewStub(channel_);
}
}
TestService::Stub* InteropClient::ServiceStub::Get() {
if (new_stub_every_call_) {
stub_ = TestService::NewStub(channel_);
}
return stub_.get();
}
UnimplementedService::Stub*
InteropClient::ServiceStub::GetUnimplementedServiceStub() {
if (unimplemented_service_stub_ == nullptr) {
unimplemented_service_stub_ = UnimplementedService::NewStub(channel_);
}
return unimplemented_service_stub_.get();
}
void InteropClient::ServiceStub::ResetChannel() {
channel_ = channel_creation_func_();
if (!new_stub_every_call_) {
stub_ = TestService::NewStub(channel_);
}
}
InteropClient::InteropClient(ChannelCreationFunc channel_creation_func,
bool new_stub_every_test_case,
bool do_not_abort_on_transient_failures)
: serviceStub_(channel_creation_func, new_stub_every_test_case),
do_not_abort_on_transient_failures_(do_not_abort_on_transient_failures) {}
bool InteropClient::AssertStatusOk(const Status& s,
const grpc::string& optional_debug_string) {
if (s.ok()) {
return true;
}
// Note: At this point, s.error_code is definitely not StatusCode::OK (we
// already checked for s.ok() above). So, the following will call abort()
// (unless s.error_code() corresponds to a transient failure and
// 'do_not_abort_on_transient_failures' is true)
return AssertStatusCode(s, StatusCode::OK, optional_debug_string);
}
bool InteropClient::AssertStatusCode(
const Status& s, StatusCode expected_code,
const grpc::string& optional_debug_string) {
if (s.error_code() == expected_code) {
return true;
}
gpr_log(GPR_ERROR,
"Error status code: %d (expected: %d), message: %s,"
" debug string: %s",
s.error_code(), expected_code, s.error_message().c_str(),
optional_debug_string.c_str());
// In case of transient transient/retryable failures (like a broken
// connection) we may or may not abort (see TransientFailureOrAbort())
if (s.error_code() == grpc::StatusCode::UNAVAILABLE) {
return TransientFailureOrAbort();
}
abort();
}
bool InteropClient::DoEmpty() {
gpr_log(GPR_DEBUG, "Sending an empty rpc...");
Empty request;
Empty response;
ClientContext context;
Status s = serviceStub_.Get()->EmptyCall(&context, request, &response);
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Empty rpc done.");
return true;
}
bool InteropClient::PerformLargeUnary(SimpleRequest* request,
SimpleResponse* response) {
return PerformLargeUnary(request, response, NoopChecks);
}
bool InteropClient::PerformLargeUnary(SimpleRequest* request,
SimpleResponse* response,
const CheckerFn& custom_checks_fn) {
ClientContext context;
InteropClientContextInspector inspector(context);
request->set_response_size(kLargeResponseSize);
grpc::string payload(kLargeRequestSize, '\0');
request->mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);
if (request->has_expect_compressed()) {
if (request->expect_compressed().value()) {
context.set_compression_algorithm(GRPC_COMPRESS_GZIP);
} else {
context.set_compression_algorithm(GRPC_COMPRESS_NONE);
}
}
Status s = serviceStub_.Get()->UnaryCall(&context, *request, response);
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
custom_checks_fn(inspector, request, response);
// Payload related checks.
GPR_ASSERT(response->payload().body() ==
grpc::string(kLargeResponseSize, '\0'));
return true;
}
bool InteropClient::DoComputeEngineCreds(
const grpc::string& default_service_account,
const grpc::string& oauth_scope) {
gpr_log(GPR_DEBUG,
"Sending a large unary rpc with compute engine credentials ...");
SimpleRequest request;
SimpleResponse response;
request.set_fill_username(true);
request.set_fill_oauth_scope(true);
if (!PerformLargeUnary(&request, &response)) {
return false;
}
gpr_log(GPR_DEBUG, "Got username %s", response.username().c_str());
gpr_log(GPR_DEBUG, "Got oauth_scope %s", response.oauth_scope().c_str());
GPR_ASSERT(!response.username().empty());
GPR_ASSERT(response.username().c_str() == default_service_account);
GPR_ASSERT(!response.oauth_scope().empty());
const char* oauth_scope_str = response.oauth_scope().c_str();
GPR_ASSERT(oauth_scope.find(oauth_scope_str) != grpc::string::npos);
gpr_log(GPR_DEBUG, "Large unary with compute engine creds done.");
return true;
}
bool InteropClient::DoOauth2AuthToken(const grpc::string& username,
const grpc::string& oauth_scope) {
gpr_log(GPR_DEBUG,
"Sending a unary rpc with raw oauth2 access token credentials ...");
SimpleRequest request;
SimpleResponse response;
request.set_fill_username(true);
request.set_fill_oauth_scope(true);
ClientContext context;
Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
GPR_ASSERT(!response.username().empty());
GPR_ASSERT(!response.oauth_scope().empty());
GPR_ASSERT(username == response.username());
const char* oauth_scope_str = response.oauth_scope().c_str();
GPR_ASSERT(oauth_scope.find(oauth_scope_str) != grpc::string::npos);
gpr_log(GPR_DEBUG, "Unary with oauth2 access token credentials done.");
return true;
}
bool InteropClient::DoPerRpcCreds(const grpc::string& json_key) {
gpr_log(GPR_DEBUG, "Sending a unary rpc with per-rpc JWT access token ...");
SimpleRequest request;
SimpleResponse response;
request.set_fill_username(true);
ClientContext context;
std::chrono::seconds token_lifetime = std::chrono::hours(1);
std::shared_ptr<CallCredentials> creds =
ServiceAccountJWTAccessCredentials(json_key, token_lifetime.count());
context.set_credentials(creds);
Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
GPR_ASSERT(!response.username().empty());
GPR_ASSERT(json_key.find(response.username()) != grpc::string::npos);
gpr_log(GPR_DEBUG, "Unary with per-rpc JWT access token done.");
return true;
}
bool InteropClient::DoJwtTokenCreds(const grpc::string& username) {
gpr_log(GPR_DEBUG,
"Sending a large unary rpc with JWT token credentials ...");
SimpleRequest request;
SimpleResponse response;
request.set_fill_username(true);
if (!PerformLargeUnary(&request, &response)) {
return false;
}
GPR_ASSERT(!response.username().empty());
GPR_ASSERT(username.find(response.username()) != grpc::string::npos);
gpr_log(GPR_DEBUG, "Large unary with JWT token creds done.");
return true;
}
bool InteropClient::DoLargeUnary() {
gpr_log(GPR_DEBUG, "Sending a large unary rpc...");
SimpleRequest request;
SimpleResponse response;
if (!PerformLargeUnary(&request, &response)) {
return false;
}
gpr_log(GPR_DEBUG, "Large unary done.");
return true;
}
bool InteropClient::DoClientCompressedUnary() {
// Probing for compression-checks support.
ClientContext probe_context;
SimpleRequest probe_req;
SimpleResponse probe_res;
probe_context.set_compression_algorithm(GRPC_COMPRESS_NONE);
probe_req.mutable_expect_compressed()->set_value(true); // lies!
probe_req.set_response_size(kLargeResponseSize);
probe_req.mutable_payload()->set_body(grpc::string(kLargeRequestSize, '\0'));
gpr_log(GPR_DEBUG, "Sending probe for compressed unary request.");
const Status s =
serviceStub_.Get()->UnaryCall(&probe_context, probe_req, &probe_res);
if (s.error_code() != grpc::StatusCode::INVALID_ARGUMENT) {
// The server isn't able to evaluate incoming compression, making the rest
// of this test moot.
gpr_log(GPR_DEBUG, "Compressed unary request probe failed");
return false;
}
gpr_log(GPR_DEBUG, "Compressed unary request probe succeeded. Proceeding.");
const std::vector<bool> compressions = {true, false};
for (size_t i = 0; i < compressions.size(); i++) {
char* log_suffix;
gpr_asprintf(&log_suffix, "(compression=%s)",
compressions[i] ? "true" : "false");
gpr_log(GPR_DEBUG, "Sending compressed unary request %s.", log_suffix);
SimpleRequest request;
SimpleResponse response;
request.mutable_expect_compressed()->set_value(compressions[i]);
if (!PerformLargeUnary(&request, &response, UnaryCompressionChecks)) {
gpr_log(GPR_ERROR, "Compressed unary request failed %s", log_suffix);
gpr_free(log_suffix);
return false;
}
gpr_log(GPR_DEBUG, "Compressed unary request failed %s", log_suffix);
gpr_free(log_suffix);
}
return true;
}
bool InteropClient::DoServerCompressedUnary() {
const std::vector<bool> compressions = {true, false};
for (size_t i = 0; i < compressions.size(); i++) {
char* log_suffix;
gpr_asprintf(&log_suffix, "(compression=%s)",
compressions[i] ? "true" : "false");
gpr_log(GPR_DEBUG, "Sending unary request for compressed response %s.",
log_suffix);
SimpleRequest request;
SimpleResponse response;
request.mutable_response_compressed()->set_value(compressions[i]);
if (!PerformLargeUnary(&request, &response, UnaryCompressionChecks)) {
gpr_log(GPR_ERROR, "Request for compressed unary failed %s", log_suffix);
gpr_free(log_suffix);
return false;
}
gpr_log(GPR_DEBUG, "Request for compressed unary failed %s", log_suffix);
gpr_free(log_suffix);
}
return true;
}
// Either abort() (unless do_not_abort_on_transient_failures_ is true) or return
// false
bool InteropClient::TransientFailureOrAbort() {
if (do_not_abort_on_transient_failures_) {
return false;
}
abort();
}
bool InteropClient::DoRequestStreaming() {
gpr_log(GPR_DEBUG, "Sending request steaming rpc ...");
ClientContext context;
StreamingInputCallRequest request;
StreamingInputCallResponse response;
std::unique_ptr<ClientWriter<StreamingInputCallRequest>> stream(
serviceStub_.Get()->StreamingInputCall(&context, &response));
int aggregated_payload_size = 0;
for (size_t i = 0; i < request_stream_sizes.size(); ++i) {
Payload* payload = request.mutable_payload();
payload->set_body(grpc::string(request_stream_sizes[i], '\0'));
if (!stream->Write(request)) {
gpr_log(GPR_ERROR, "DoRequestStreaming(): stream->Write() failed");
return TransientFailureOrAbort();
}
aggregated_payload_size += request_stream_sizes[i];
}
GPR_ASSERT(stream->WritesDone());
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
GPR_ASSERT(response.aggregated_payload_size() == aggregated_payload_size);
return true;
}
bool InteropClient::DoResponseStreaming() {
gpr_log(GPR_DEBUG, "Receiving response streaming rpc ...");
ClientContext context;
StreamingOutputCallRequest request;
for (unsigned int i = 0; i < response_stream_sizes.size(); ++i) {
ResponseParameters* response_parameter = request.add_response_parameters();
response_parameter->set_size(response_stream_sizes[i]);
}
StreamingOutputCallResponse response;
std::unique_ptr<ClientReader<StreamingOutputCallResponse>> stream(
serviceStub_.Get()->StreamingOutputCall(&context, request));
unsigned int i = 0;
while (stream->Read(&response)) {
GPR_ASSERT(response.payload().body() ==
grpc::string(response_stream_sizes[i], '\0'));
++i;
}
if (i < response_stream_sizes.size()) {
// stream->Read() failed before reading all the expected messages. This is
// most likely due to connection failure.
gpr_log(GPR_ERROR,
"DoResponseStreaming(): Read fewer streams (%d) than "
"response_stream_sizes.size() (%" PRIuPTR ")",
i, response_stream_sizes.size());
return TransientFailureOrAbort();
}
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Response streaming done.");
return true;
}
bool InteropClient::DoClientCompressedStreaming() {
// Probing for compression-checks support.
ClientContext probe_context;
StreamingInputCallRequest probe_req;
StreamingInputCallResponse probe_res;
probe_context.set_compression_algorithm(GRPC_COMPRESS_NONE);
probe_req.mutable_expect_compressed()->set_value(true); // lies!
probe_req.mutable_payload()->set_body(grpc::string(27182, '\0'));
gpr_log(GPR_DEBUG, "Sending probe for compressed streaming request.");
std::unique_ptr<ClientWriter<StreamingInputCallRequest>> probe_stream(
serviceStub_.Get()->StreamingInputCall(&probe_context, &probe_res));
if (!probe_stream->Write(probe_req)) {
gpr_log(GPR_ERROR, "%s(): stream->Write() failed", __func__);
return TransientFailureOrAbort();
}
Status s = probe_stream->Finish();
if (s.error_code() != grpc::StatusCode::INVALID_ARGUMENT) {
// The server isn't able to evaluate incoming compression, making the rest
// of this test moot.
gpr_log(GPR_DEBUG, "Compressed streaming request probe failed");
return false;
}
gpr_log(GPR_DEBUG,
"Compressed streaming request probe succeeded. Proceeding.");
ClientContext context;
StreamingInputCallRequest request;
StreamingInputCallResponse response;
context.set_compression_algorithm(GRPC_COMPRESS_GZIP);
std::unique_ptr<ClientWriter<StreamingInputCallRequest>> stream(
serviceStub_.Get()->StreamingInputCall(&context, &response));
request.mutable_payload()->set_body(grpc::string(27182, '\0'));
request.mutable_expect_compressed()->set_value(true);
gpr_log(GPR_DEBUG, "Sending streaming request with compression enabled");
if (!stream->Write(request)) {
gpr_log(GPR_ERROR, "%s(): stream->Write() failed", __func__);
return TransientFailureOrAbort();
}
WriteOptions wopts;
wopts.set_no_compression();
request.mutable_payload()->set_body(grpc::string(45904, '\0'));
request.mutable_expect_compressed()->set_value(false);
gpr_log(GPR_DEBUG, "Sending streaming request with compression disabled");
if (!stream->Write(request, wopts)) {
gpr_log(GPR_ERROR, "%s(): stream->Write() failed", __func__);
return TransientFailureOrAbort();
}
GPR_ASSERT(stream->WritesDone());
s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
return true;
}
bool InteropClient::DoServerCompressedStreaming() {
const std::vector<bool> compressions = {true, false};
const std::vector<int> sizes = {31415, 92653};
ClientContext context;
InteropClientContextInspector inspector(context);
StreamingOutputCallRequest request;
GPR_ASSERT(compressions.size() == sizes.size());
for (size_t i = 0; i < sizes.size(); i++) {
char* log_suffix;
gpr_asprintf(&log_suffix, "(compression=%s; size=%d)",
compressions[i] ? "true" : "false", sizes[i]);
gpr_log(GPR_DEBUG, "Sending request streaming rpc %s.", log_suffix);
gpr_free(log_suffix);
ResponseParameters* const response_parameter =
request.add_response_parameters();
response_parameter->mutable_compressed()->set_value(compressions[i]);
response_parameter->set_size(sizes[i]);
}
std::unique_ptr<ClientReader<StreamingOutputCallResponse>> stream(
serviceStub_.Get()->StreamingOutputCall(&context, request));
size_t k = 0;
StreamingOutputCallResponse response;
while (stream->Read(&response)) {
// Payload size checks.
GPR_ASSERT(response.payload().body() ==
grpc::string(request.response_parameters(k).size(), '\0'));
// Compression checks.
GPR_ASSERT(request.response_parameters(k).has_compressed());
if (request.response_parameters(k).compressed().value()) {
GPR_ASSERT(inspector.GetCallCompressionAlgorithm() > GRPC_COMPRESS_NONE);
GPR_ASSERT(inspector.GetMessageFlags() & GRPC_WRITE_INTERNAL_COMPRESS);
} else {
// requested *no* compression.
GPR_ASSERT(!(inspector.GetMessageFlags() & GRPC_WRITE_INTERNAL_COMPRESS));
}
++k;
}
if (k < sizes.size()) {
// stream->Read() failed before reading all the expected messages. This
// is most likely due to a connection failure.
gpr_log(GPR_ERROR,
"%s(): Responses read (k=%" PRIuPTR
") is less than the expected number of messages (%" PRIuPTR ").",
__func__, k, sizes.size());
return TransientFailureOrAbort();
}
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
return true;
}
bool InteropClient::DoResponseStreamingWithSlowConsumer() {
gpr_log(GPR_DEBUG, "Receiving response streaming rpc with slow consumer ...");
ClientContext context;
StreamingOutputCallRequest request;
for (int i = 0; i < kNumResponseMessages; ++i) {
ResponseParameters* response_parameter = request.add_response_parameters();
response_parameter->set_size(kResponseMessageSize);
}
StreamingOutputCallResponse response;
std::unique_ptr<ClientReader<StreamingOutputCallResponse>> stream(
serviceStub_.Get()->StreamingOutputCall(&context, request));
int i = 0;
while (stream->Read(&response)) {
GPR_ASSERT(response.payload().body() ==
grpc::string(kResponseMessageSize, '\0'));
gpr_log(GPR_DEBUG, "received message %d", i);
gpr_sleep_until(gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_millis(kReceiveDelayMilliSeconds, GPR_TIMESPAN)));
++i;
}
if (i < kNumResponseMessages) {
gpr_log(GPR_ERROR,
"DoResponseStreamingWithSlowConsumer(): Responses read (i=%d) is "
"less than the expected messages (i.e kNumResponseMessages = %d)",
i, kNumResponseMessages);
return TransientFailureOrAbort();
}
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Response streaming done.");
return true;
}
bool InteropClient::DoHalfDuplex() {
gpr_log(GPR_DEBUG, "Sending half-duplex streaming rpc ...");
ClientContext context;
std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->HalfDuplexCall(&context));
StreamingOutputCallRequest request;
ResponseParameters* response_parameter = request.add_response_parameters();
for (unsigned int i = 0; i < response_stream_sizes.size(); ++i) {
response_parameter->set_size(response_stream_sizes[i]);
if (!stream->Write(request)) {
gpr_log(GPR_ERROR, "DoHalfDuplex(): stream->Write() failed. i=%d", i);
return TransientFailureOrAbort();
}
}
stream->WritesDone();
unsigned int i = 0;
StreamingOutputCallResponse response;
while (stream->Read(&response)) {
GPR_ASSERT(response.payload().body() ==
grpc::string(response_stream_sizes[i], '\0'));
++i;
}
if (i < response_stream_sizes.size()) {
// stream->Read() failed before reading all the expected messages. This is
// most likely due to a connection failure
gpr_log(GPR_ERROR,
"DoHalfDuplex(): Responses read (i=%d) are less than the expected "
"number of messages response_stream_sizes.size() (%" PRIuPTR ")",
i, response_stream_sizes.size());
return TransientFailureOrAbort();
}
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Half-duplex streaming rpc done.");
return true;
}
bool InteropClient::DoPingPong() {
gpr_log(GPR_DEBUG, "Sending Ping Pong streaming rpc ...");
ClientContext context;
std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->FullDuplexCall(&context));
StreamingOutputCallRequest request;
ResponseParameters* response_parameter = request.add_response_parameters();
Payload* payload = request.mutable_payload();
StreamingOutputCallResponse response;
for (unsigned int i = 0; i < request_stream_sizes.size(); ++i) {
response_parameter->set_size(response_stream_sizes[i]);
payload->set_body(grpc::string(request_stream_sizes[i], '\0'));
if (!stream->Write(request)) {
gpr_log(GPR_ERROR, "DoPingPong(): stream->Write() failed. i: %d", i);
return TransientFailureOrAbort();
}
if (!stream->Read(&response)) {
gpr_log(GPR_ERROR, "DoPingPong(): stream->Read() failed. i:%d", i);
return TransientFailureOrAbort();
}
GPR_ASSERT(response.payload().body() ==
grpc::string(response_stream_sizes[i], '\0'));
}
stream->WritesDone();
GPR_ASSERT(!stream->Read(&response));
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Ping pong streaming done.");
return true;
}
bool InteropClient::DoCancelAfterBegin() {
gpr_log(GPR_DEBUG, "Sending request streaming rpc ...");
ClientContext context;
StreamingInputCallRequest request;
StreamingInputCallResponse response;
std::unique_ptr<ClientWriter<StreamingInputCallRequest>> stream(
serviceStub_.Get()->StreamingInputCall(&context, &response));
gpr_log(GPR_DEBUG, "Trying to cancel...");
context.TryCancel();
Status s = stream->Finish();
if (!AssertStatusCode(s, StatusCode::CANCELLED,
context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Canceling streaming done.");
return true;
}
bool InteropClient::DoCancelAfterFirstResponse() {
gpr_log(GPR_DEBUG, "Sending Ping Pong streaming rpc ...");
ClientContext context;
std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->FullDuplexCall(&context));
StreamingOutputCallRequest request;
ResponseParameters* response_parameter = request.add_response_parameters();
response_parameter->set_size(31415);
request.mutable_payload()->set_body(grpc::string(27182, '\0'));
StreamingOutputCallResponse response;
if (!stream->Write(request)) {
gpr_log(GPR_ERROR, "DoCancelAfterFirstResponse(): stream->Write() failed");
return TransientFailureOrAbort();
}
if (!stream->Read(&response)) {
gpr_log(GPR_ERROR, "DoCancelAfterFirstResponse(): stream->Read failed");
return TransientFailureOrAbort();
}
GPR_ASSERT(response.payload().body() == grpc::string(31415, '\0'));
gpr_log(GPR_DEBUG, "Trying to cancel...");
context.TryCancel();
Status s = stream->Finish();
gpr_log(GPR_DEBUG, "Canceling pingpong streaming done.");
return true;
}
bool InteropClient::DoTimeoutOnSleepingServer() {
gpr_log(GPR_DEBUG,
"Sending Ping Pong streaming rpc with a short deadline...");
ClientContext context;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::milliseconds(1);
context.set_deadline(deadline);
std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->FullDuplexCall(&context));
StreamingOutputCallRequest request;
request.mutable_payload()->set_body(grpc::string(27182, '\0'));
stream->Write(request);
Status s = stream->Finish();
if (!AssertStatusCode(s, StatusCode::DEADLINE_EXCEEDED,
context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "Pingpong streaming timeout done.");
return true;
}
bool InteropClient::DoEmptyStream() {
gpr_log(GPR_DEBUG, "Starting empty_stream.");
ClientContext context;
std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->FullDuplexCall(&context));
stream->WritesDone();
StreamingOutputCallResponse response;
GPR_ASSERT(stream->Read(&response) == false);
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "empty_stream done.");
return true;
}
bool InteropClient::DoStatusWithMessage() {
gpr_log(GPR_DEBUG,
"Sending RPC with a request for status code 2 and message");
const grpc::StatusCode test_code = grpc::StatusCode::UNKNOWN;
const grpc::string test_msg = "This is a test message";
// Test UnaryCall.
ClientContext context;
SimpleRequest request;
SimpleResponse response;
EchoStatus* requested_status = request.mutable_response_status();
requested_status->set_code(test_code);
requested_status->set_message(test_msg);
Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
if (!AssertStatusCode(s, grpc::StatusCode::UNKNOWN,
context.debug_error_string())) {
return false;
}
GPR_ASSERT(s.error_message() == test_msg);
// Test FullDuplexCall.
ClientContext stream_context;
std::shared_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->FullDuplexCall(&stream_context));
StreamingOutputCallRequest streaming_request;
requested_status = streaming_request.mutable_response_status();
requested_status->set_code(test_code);
requested_status->set_message(test_msg);
stream->Write(streaming_request);
stream->WritesDone();
StreamingOutputCallResponse streaming_response;
while (stream->Read(&streaming_response))
;
s = stream->Finish();
if (!AssertStatusCode(s, grpc::StatusCode::UNKNOWN,
context.debug_error_string())) {
return false;
}
GPR_ASSERT(s.error_message() == test_msg);
gpr_log(GPR_DEBUG, "Done testing Status and Message");
return true;
}
bool InteropClient::DoCacheableUnary() {
gpr_log(GPR_DEBUG, "Sending RPC with cacheable response");
// Create request with current timestamp
gpr_timespec ts = gpr_now(GPR_CLOCK_PRECISE);
std::string timestamp =
std::to_string(static_cast<long long unsigned>(ts.tv_nsec));
SimpleRequest request;
request.mutable_payload()->set_body(timestamp.c_str(), timestamp.size());
// Request 1
ClientContext context1;
SimpleResponse response1;
context1.set_cacheable(true);
// Add fake user IP since some proxy's (GFE) won't cache requests from
// localhost.
context1.AddMetadata("x-user-ip", "1.2.3.4");
Status s1 =
serviceStub_.Get()->CacheableUnaryCall(&context1, request, &response1);
if (!AssertStatusOk(s1, context1.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "response 1 payload: %s",
response1.payload().body().c_str());
// Request 2
ClientContext context2;
SimpleResponse response2;
context2.set_cacheable(true);
context2.AddMetadata("x-user-ip", "1.2.3.4");
Status s2 =
serviceStub_.Get()->CacheableUnaryCall(&context2, request, &response2);
if (!AssertStatusOk(s2, context2.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "response 2 payload: %s",
response2.payload().body().c_str());
// Check that the body is same for both requests. It will be the same if the
// second response is a cached copy of the first response
GPR_ASSERT(response2.payload().body() == response1.payload().body());
// Request 3
// Modify the request body so it will not get a cache hit
ts = gpr_now(GPR_CLOCK_PRECISE);
timestamp = std::to_string(static_cast<long long unsigned>(ts.tv_nsec));
SimpleRequest request1;
request1.mutable_payload()->set_body(timestamp.c_str(), timestamp.size());
ClientContext context3;
SimpleResponse response3;
context3.set_cacheable(true);
context3.AddMetadata("x-user-ip", "1.2.3.4");
Status s3 =
serviceStub_.Get()->CacheableUnaryCall(&context3, request1, &response3);
if (!AssertStatusOk(s3, context3.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "response 3 payload: %s",
response3.payload().body().c_str());
// Check that the response is different from the previous response.
GPR_ASSERT(response3.payload().body() != response1.payload().body());
return true;
}
bool InteropClient::DoCustomMetadata() {
const grpc::string kEchoInitialMetadataKey("x-grpc-test-echo-initial");
const grpc::string kInitialMetadataValue("test_initial_metadata_value");
const grpc::string kEchoTrailingBinMetadataKey(
"x-grpc-test-echo-trailing-bin");
const grpc::string kTrailingBinValue("\x0a\x0b\x0a\x0b\x0a\x0b");
;
{
gpr_log(GPR_DEBUG, "Sending RPC with custom metadata");
ClientContext context;
context.AddMetadata(kEchoInitialMetadataKey, kInitialMetadataValue);
context.AddMetadata(kEchoTrailingBinMetadataKey, kTrailingBinValue);
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);
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
const auto& server_initial_metadata = context.GetServerInitialMetadata();
auto iter = server_initial_metadata.find(kEchoInitialMetadataKey);
GPR_ASSERT(iter != server_initial_metadata.end());
GPR_ASSERT(iter->second == kInitialMetadataValue);
const auto& server_trailing_metadata = context.GetServerTrailingMetadata();
iter = server_trailing_metadata.find(kEchoTrailingBinMetadataKey);
GPR_ASSERT(iter != server_trailing_metadata.end());
GPR_ASSERT(grpc::string(iter->second.begin(), iter->second.end()) ==
kTrailingBinValue);
gpr_log(GPR_DEBUG, "Done testing RPC with custom metadata");
}
{
gpr_log(GPR_DEBUG, "Sending stream with custom metadata");
ClientContext context;
context.AddMetadata(kEchoInitialMetadataKey, kInitialMetadataValue);
context.AddMetadata(kEchoTrailingBinMetadataKey, kTrailingBinValue);
std::unique_ptr<ClientReaderWriter<StreamingOutputCallRequest,
StreamingOutputCallResponse>>
stream(serviceStub_.Get()->FullDuplexCall(&context));
StreamingOutputCallRequest request;
ResponseParameters* response_parameter = request.add_response_parameters();
response_parameter->set_size(kLargeResponseSize);
grpc::string payload(kLargeRequestSize, '\0');
request.mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);
StreamingOutputCallResponse response;
if (!stream->Write(request)) {
gpr_log(GPR_ERROR, "DoCustomMetadata(): stream->Write() failed");
return TransientFailureOrAbort();
}
stream->WritesDone();
if (!stream->Read(&response)) {
gpr_log(GPR_ERROR, "DoCustomMetadata(): stream->Read() failed");
return TransientFailureOrAbort();
}
GPR_ASSERT(response.payload().body() ==
grpc::string(kLargeResponseSize, '\0'));
GPR_ASSERT(!stream->Read(&response));
Status s = stream->Finish();
if (!AssertStatusOk(s, context.debug_error_string())) {
return false;
}
const auto& server_initial_metadata = context.GetServerInitialMetadata();
auto iter = server_initial_metadata.find(kEchoInitialMetadataKey);
GPR_ASSERT(iter != server_initial_metadata.end());
GPR_ASSERT(iter->second == kInitialMetadataValue);
const auto& server_trailing_metadata = context.GetServerTrailingMetadata();
iter = server_trailing_metadata.find(kEchoTrailingBinMetadataKey);
GPR_ASSERT(iter != server_trailing_metadata.end());
GPR_ASSERT(grpc::string(iter->second.begin(), iter->second.end()) ==
kTrailingBinValue);
gpr_log(GPR_DEBUG, "Done testing stream with custom metadata");
}
return true;
}
bool InteropClient::DoRpcSoakTest(int32_t soak_iterations) {
gpr_log(GPR_DEBUG, "Sending %d RPCs...", soak_iterations);
GPR_ASSERT(soak_iterations > 0);
SimpleRequest request;
SimpleResponse response;
for (int i = 0; i < soak_iterations; ++i) {
if (!PerformLargeUnary(&request, &response)) {
gpr_log(GPR_ERROR, "rpc_soak test failed on iteration %d", i);
return false;
}
}
gpr_log(GPR_DEBUG, "rpc_soak test done.");
return true;
}
bool InteropClient::DoChannelSoakTest(int32_t soak_iterations) {
gpr_log(GPR_DEBUG, "Sending %d RPCs, tearing down the channel each time...",
soak_iterations);
GPR_ASSERT(soak_iterations > 0);
SimpleRequest request;
SimpleResponse response;
for (int i = 0; i < soak_iterations; ++i) {
serviceStub_.ResetChannel();
if (!PerformLargeUnary(&request, &response)) {
gpr_log(GPR_ERROR, "channel_soak test failed on iteration %d", i);
return false;
}
}
gpr_log(GPR_DEBUG, "channel_soak test done.");
return true;
}
bool InteropClient::DoLongLivedChannelTest(int32_t soak_iterations,
int32_t iteration_interval) {
gpr_log(GPR_DEBUG, "Sending %d RPCs...", soak_iterations);
GPR_ASSERT(soak_iterations > 0);
GPR_ASSERT(iteration_interval > 0);
SimpleRequest request;
SimpleResponse response;
int num_failures = 0;
for (int i = 0; i < soak_iterations; ++i) {
gpr_log(GPR_DEBUG, "Sending RPC number %d...", i);
if (!PerformLargeUnary(&request, &response)) {
gpr_log(GPR_ERROR, "Iteration %d failed.", i);
num_failures++;
}
gpr_sleep_until(
gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_seconds(iteration_interval, GPR_TIMESPAN)));
}
if (num_failures == 0) {
gpr_log(GPR_DEBUG, "long_lived_channel test done.");
return true;
} else {
gpr_log(GPR_DEBUG, "long_lived_channel test failed with %d rpc failures.",
num_failures);
return false;
}
}
bool InteropClient::DoUnimplementedService() {
gpr_log(GPR_DEBUG, "Sending a request for an unimplemented service...");
Empty request;
Empty response;
ClientContext context;
UnimplementedService::Stub* stub = serviceStub_.GetUnimplementedServiceStub();
Status s = stub->UnimplementedCall(&context, request, &response);
if (!AssertStatusCode(s, StatusCode::UNIMPLEMENTED,
context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "unimplemented service done.");
return true;
}
bool InteropClient::DoUnimplementedMethod() {
gpr_log(GPR_DEBUG, "Sending a request for an unimplemented rpc...");
Empty request;
Empty response;
ClientContext context;
Status s =
serviceStub_.Get()->UnimplementedCall(&context, request, &response);
if (!AssertStatusCode(s, StatusCode::UNIMPLEMENTED,
context.debug_error_string())) {
return false;
}
gpr_log(GPR_DEBUG, "unimplemented rpc done.");
return true;
}
} // namespace testing
} // namespace grpc