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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <memory>
#include <string>
#include "absl/log/absl_check.h"
#include "absl/log/absl_log.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/str_cat.h"
#include "conformance/conformance.pb.h"
#include "conformance/test_protos/test_messages_edition2023.pb.h"
#include "editions/golden/test_messages_proto2_editions.pb.h"
#include "editions/golden/test_messages_proto3_editions.pb.h"
#include "google/protobuf/endian.h"
#include "google/protobuf/json/json.h"
#include "google/protobuf/message.h"
#include "google/protobuf/test_messages_proto2.pb.h"
#include "google/protobuf/test_messages_proto3.pb.h"
#include "google/protobuf/text_format.h"
#include "google/protobuf/util/json_util.h"
#include "google/protobuf/util/type_resolver.h"
#include "google/protobuf/util/type_resolver_util.h"
#include "google/protobuf/stubs/status_macros.h"
// Must be included last.
#include "google/protobuf/port_def.inc"
namespace google {
namespace protobuf {
namespace {
using ::conformance::ConformanceRequest;
using ::conformance::ConformanceResponse;
using ::google::protobuf::util::BinaryToJsonString;
using ::google::protobuf::util::JsonParseOptions;
using ::google::protobuf::util::JsonToBinaryString;
using ::google::protobuf::util::NewTypeResolverForDescriptorPool;
using ::google::protobuf::util::TypeResolver;
using ::protobuf_test_messages::editions::TestAllTypesEdition2023;
using ::protobuf_test_messages::proto2::TestAllTypesProto2;
using ::protobuf_test_messages::proto3::TestAllTypesProto3;
using TestAllTypesProto2Editions =
::protobuf_test_messages::editions::proto2::TestAllTypesProto2;
using TestAllTypesProto3Editions =
::protobuf_test_messages::editions::proto3::TestAllTypesProto3;
absl::Status ReadFd(int fd, char* buf, size_t len) {
while (len > 0) {
ssize_t bytes_read = read(fd, buf, len);
if (bytes_read == 0) {
return absl::DataLossError("unexpected EOF");
}
if (bytes_read < 0) {
return absl::ErrnoToStatus(errno, "error reading from test runner");
}
len -= bytes_read;
buf += bytes_read;
}
return absl::OkStatus();
}
absl::Status WriteFd(int fd, const void* buf, size_t len) {
if (static_cast<size_t>(write(fd, buf, len)) != len) {
return absl::ErrnoToStatus(errno, "error reading to test runner");
}
return absl::OkStatus();
}
class Harness {
public:
Harness() {
google::protobuf::LinkMessageReflection<TestAllTypesProto2>();
google::protobuf::LinkMessageReflection<TestAllTypesProto3>();
google::protobuf::LinkMessageReflection<TestAllTypesEdition2023>();
google::protobuf::LinkMessageReflection<TestAllTypesProto2Editions>();
google::protobuf::LinkMessageReflection<TestAllTypesProto3Editions>();
resolver_.reset(NewTypeResolverForDescriptorPool(
"type.googleapis.com", DescriptorPool::generated_pool()));
}
absl::StatusOr<ConformanceResponse> RunTest(
const ConformanceRequest& request);
// Returns Ok(true) if we're done processing requests.
absl::StatusOr<bool> ServeConformanceRequest();
private:
bool verbose_ = false;
std::unique_ptr<TypeResolver> resolver_;
};
absl::StatusOr<ConformanceResponse> Harness::RunTest(
const ConformanceRequest& request) {
const Descriptor* descriptor =
DescriptorPool::generated_pool()->FindMessageTypeByName(
request.message_type());
if (descriptor == nullptr) {
return absl::NotFoundError(
absl::StrCat("No such message type: ", request.message_type()));
}
std::string type_url =
absl::StrCat("type.googleapis.com/", request.message_type());
std::unique_ptr<Message> test_message(
MessageFactory::generated_factory()->GetPrototype(descriptor)->New());
ConformanceResponse response;
switch (request.payload_case()) {
case ConformanceRequest::kProtobufPayload: {
if (!test_message->ParseFromString(request.protobuf_payload())) {
response.set_parse_error("parse error (no more details available)");
return response;
}
break;
}
case ConformanceRequest::kJsonPayload: {
JsonParseOptions options;
options.ignore_unknown_fields =
(request.test_category() ==
conformance::JSON_IGNORE_UNKNOWN_PARSING_TEST);
std::string proto_binary;
absl::Status status =
JsonToBinaryString(resolver_.get(), type_url, request.json_payload(),
&proto_binary, options);
if (!status.ok()) {
response.set_parse_error(
absl::StrCat("parse error: ", status.message()));
return response;
}
if (!test_message->ParseFromString(proto_binary)) {
response.set_runtime_error(
"parsing JSON generated invalid proto output");
return response;
}
break;
}
case ConformanceRequest::kTextPayload: {
if (!TextFormat::ParseFromString(request.text_payload(),
test_message.get())) {
response.set_parse_error("parse error (no more details available)");
return response;
}
break;
}
case ConformanceRequest::PAYLOAD_NOT_SET:
return absl::InvalidArgumentError("request didn't have payload");
default:
return absl::InvalidArgumentError(
absl::StrCat("unknown payload type", request.payload_case()));
}
switch (request.requested_output_format()) {
case conformance::UNSPECIFIED:
return absl::InvalidArgumentError("unspecified output format");
case conformance::PROTOBUF: {
ABSL_CHECK(
test_message->SerializeToString(response.mutable_protobuf_payload()));
break;
}
case conformance::JSON: {
std::string proto_binary;
ABSL_CHECK(test_message->SerializeToString(&proto_binary));
absl::Status status =
BinaryToJsonString(resolver_.get(), type_url, proto_binary,
response.mutable_json_payload());
if (!status.ok()) {
response.set_serialize_error(absl::StrCat(
"failed to serialize JSON output: ", status.message()));
}
break;
}
case conformance::TEXT_FORMAT: {
TextFormat::Printer printer;
printer.SetHideUnknownFields(!request.print_unknown_fields());
ABSL_CHECK(printer.PrintToString(*test_message,
response.mutable_text_payload()));
break;
}
default:
return absl::InvalidArgumentError(absl::StrCat(
"unknown output format", request.requested_output_format()));
}
return response;
}
absl::StatusOr<bool> Harness::ServeConformanceRequest() {
uint32_t in_len;
if (!ReadFd(STDIN_FILENO, reinterpret_cast<char*>(&in_len), sizeof(in_len))
.ok()) {
// EOF means we're done.
return true;
}
in_len = internal::little_endian::ToHost(in_len);
std::string serialized_input;
serialized_input.resize(in_len);
RETURN_IF_ERROR(ReadFd(STDIN_FILENO, &serialized_input[0], in_len));
ConformanceRequest request;
ABSL_CHECK(request.ParseFromString(serialized_input));
absl::StatusOr<ConformanceResponse> response = RunTest(request);
RETURN_IF_ERROR(response.status());
std::string serialized_output;
response->SerializeToString(&serialized_output);
uint32_t out_len = internal::little_endian::FromHost(
static_cast<uint32_t>(serialized_output.size()));
RETURN_IF_ERROR(WriteFd(STDOUT_FILENO, &out_len, sizeof(out_len)));
RETURN_IF_ERROR(WriteFd(STDOUT_FILENO, serialized_output.data(),
serialized_output.size()));
if (verbose_) {
ABSL_LOG(INFO) << "conformance-cpp: request="
<< google::protobuf::ShortFormat(request)
<< ", response=" << google::protobuf::ShortFormat(*response);
}
return false;
}
} // namespace
} // namespace protobuf
} // namespace google
int main() {
google::protobuf::Harness harness;
int total_runs = 0;
while (true) {
auto is_done = harness.ServeConformanceRequest();
if (!is_done.ok()) {
ABSL_LOG(FATAL) << is_done.status();
}
if (*is_done) {
break;
}
total_runs++;
}
ABSL_LOG(INFO) << "conformance-cpp: received EOF from test runner after "
<< total_runs << " tests";
}
#include "google/protobuf/port_undef.inc"
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