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/*
*
* 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 "test/cpp/end2end/test_service_impl.h"
#include <grpc++/security/credentials.h>
#include <grpc++/server_context.h>
#include <grpc/grpc.h>
#include <gtest/gtest.h>
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/cpp/util/string_ref_helper.h"
using std::chrono::system_clock;
namespace grpc {
namespace testing {
namespace {
// When echo_deadline is requested, deadline seen in the ServerContext is set in
// the response in seconds.
void MaybeEchoDeadline(ServerContext* context, const EchoRequest* request,
EchoResponse* response) {
if (request->has_param() && request->param().echo_deadline()) {
gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
if (context->deadline() != system_clock::time_point::max()) {
Timepoint2Timespec(context->deadline(), &deadline);
}
response->mutable_param()->set_request_deadline(deadline.tv_sec);
}
}
void CheckServerAuthContext(const ServerContext* context,
const grpc::string& expected_client_identity) {
std::shared_ptr<const AuthContext> auth_ctx = context->auth_context();
std::vector<grpc::string_ref> ssl =
auth_ctx->FindPropertyValues("transport_security_type");
EXPECT_EQ(1u, ssl.size());
EXPECT_EQ("ssl", ToString(ssl[0]));
if (expected_client_identity.length() == 0) {
EXPECT_TRUE(auth_ctx->GetPeerIdentityPropertyName().empty());
EXPECT_TRUE(auth_ctx->GetPeerIdentity().empty());
EXPECT_FALSE(auth_ctx->IsPeerAuthenticated());
} else {
auto identity = auth_ctx->GetPeerIdentity();
EXPECT_TRUE(auth_ctx->IsPeerAuthenticated());
EXPECT_EQ(1u, identity.size());
EXPECT_EQ(expected_client_identity, identity[0]);
}
}
} // namespace
Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) {
response->set_message(request->message());
MaybeEchoDeadline(context, request, response);
if (host_) {
response->mutable_param()->set_host(*host_);
}
if (request->has_param() && request->param().client_cancel_after_us()) {
{
std::unique_lock<std::mutex> lock(mu_);
signal_client_ = true;
}
while (!context->IsCancelled()) {
gpr_sleep_until(gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_micros(request->param().client_cancel_after_us(),
GPR_TIMESPAN)));
}
return Status::CANCELLED;
} else if (request->has_param() &&
request->param().server_cancel_after_us()) {
gpr_sleep_until(gpr_time_add(
gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_micros(request->param().server_cancel_after_us(),
GPR_TIMESPAN)));
return Status::CANCELLED;
} else if (!request->has_param() ||
!request->param().skip_cancelled_check()) {
EXPECT_FALSE(context->IsCancelled());
}
if (request->has_param() && request->param().echo_metadata()) {
const std::multimap<grpc::string_ref, grpc::string_ref>& client_metadata =
context->client_metadata();
for (
std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator iter =
client_metadata.begin();
iter != client_metadata.end(); ++iter) {
context->AddTrailingMetadata(ToString(iter->first),
ToString(iter->second));
}
}
if (request->has_param() &&
(request->param().expected_client_identity().length() > 0 ||
request->param().check_auth_context())) {
CheckServerAuthContext(context,
request->param().expected_client_identity());
}
if (request->has_param() && request->param().response_message_length() > 0) {
response->set_message(
grpc::string(request->param().response_message_length(), '\0'));
}
if (request->has_param() && request->param().echo_peer()) {
response->mutable_param()->set_peer(context->peer());
}
return Status::OK;
}
// Unimplemented is left unimplemented to test the returned error.
Status TestServiceImpl::RequestStream(ServerContext* context,
ServerReader<EchoRequest>* reader,
EchoResponse* response) {
EchoRequest request;
response->set_message("");
int cancel_after_reads = 0;
const std::multimap<grpc::string_ref, grpc::string_ref>&
client_initial_metadata = context->client_metadata();
if (client_initial_metadata.find(kServerCancelAfterReads) !=
client_initial_metadata.end()) {
std::istringstream iss(ToString(
client_initial_metadata.find(kServerCancelAfterReads)->second));
iss >> cancel_after_reads;
gpr_log(GPR_INFO, "cancel_after_reads %d", cancel_after_reads);
}
while (reader->Read(&request)) {
if (cancel_after_reads == 1) {
gpr_log(GPR_INFO, "return cancel status");
return Status::CANCELLED;
} else if (cancel_after_reads > 0) {
cancel_after_reads--;
}
response->mutable_message()->append(request.message());
}
return Status::OK;
}
// Return 3 messages.
// TODO(yangg) make it generic by adding a parameter into EchoRequest
Status TestServiceImpl::ResponseStream(ServerContext* context,
const EchoRequest* request,
ServerWriter<EchoResponse>* writer) {
EchoResponse response;
response.set_message(request->message() + "0");
writer->Write(response);
response.set_message(request->message() + "1");
writer->Write(response);
response.set_message(request->message() + "2");
writer->Write(response);
return Status::OK;
}
Status TestServiceImpl::BidiStream(
ServerContext* context,
ServerReaderWriter<EchoResponse, EchoRequest>* stream) {
EchoRequest request;
EchoResponse response;
while (stream->Read(&request)) {
gpr_log(GPR_INFO, "recv msg %s", request.message().c_str());
response.set_message(request.message());
stream->Write(response);
}
return Status::OK;
}
} // namespace testing
} // namespace grpc
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