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/*
*
* Copyright 2015-2016, 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 <unistd.h>
#include <cinttypes>
#include <fstream>
#include <memory>
#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/security/credentials.h>
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/useful.h>
#include "src/core/lib/transport/byte_stream.h"
#include "src/proto/grpc/testing/empty.grpc.pb.h"
#include "src/proto/grpc/testing/messages.grpc.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(std::shared_ptr<Channel> channel,
bool new_stub_every_call)
: channel_(channel), 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();
}
void InteropClient::ServiceStub::Reset(std::shared_ptr<Channel> channel) {
channel_ = channel;
// Update stub_ as well. Note: If new_stub_every_call_ is true, we can reset
// the stub_ since the next call to Get() will create a new stub
if (new_stub_every_call_) {
stub_.reset();
} else {
stub_ = TestService::NewStub(channel);
}
}
void InteropClient::Reset(std::shared_ptr<Channel> channel) {
serviceStub_.Reset(channel);
}
InteropClient::InteropClient(std::shared_ptr<Channel> channel,
bool new_stub_every_test_case,
bool do_not_abort_on_transient_failures)
: serviceStub_(channel, new_stub_every_test_case),
do_not_abort_on_transient_failures_(do_not_abort_on_transient_failures) {}
bool InteropClient::AssertStatusOk(const Status& s) {
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);
}
bool InteropClient::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());
// 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::default_instance();
Empty response = Empty::default_instance();
ClientContext context;
Status s = serviceStub_.Get()->EmptyCall(&context, request, &response);
if (!AssertStatusOk(s)) {
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,
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)) {
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)) {
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)) {
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)) {
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)) {
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)) {
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 messages (i.e "
"response_stream_sizes.size() (%" PRIuPTR ")).",
__func__, k, response_stream_sizes.size());
return TransientFailureOrAbort();
}
Status s = stream->Finish();
if (!AssertStatusOk(s)) {
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);
usleep(kReceiveDelayMilliSeconds * 1000);
++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)) {
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)) {
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)) {
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)) {
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)) {
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)) {
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");
ClientContext context;
SimpleRequest request;
SimpleResponse response;
EchoStatus* requested_status = request.mutable_response_status();
requested_status->set_code(grpc::StatusCode::UNKNOWN);
grpc::string test_msg = "This is a test message";
requested_status->set_message(test_msg);
Status s = serviceStub_.Get()->UnaryCall(&context, request, &response);
if (!AssertStatusCode(s, grpc::StatusCode::UNKNOWN)) {
return false;
}
GPR_ASSERT(s.error_message() == test_msg);
gpr_log(GPR_DEBUG, "Done testing Status and Message");
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)) {
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.data() == 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)) {
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.data() == 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;
}
} // namespace testing
} // namespace grpc
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