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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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 <errno.h>
#include <stdarg.h>
#include <unistd.h>
#include "conformance.pb.h"
#include <google/protobuf/test_messages_proto3.pb.h>
#include <google/protobuf/util/json_util.h>
#include <google/protobuf/util/type_resolver_util.h>
using conformance::ConformanceRequest;
using conformance::ConformanceResponse;
using google::protobuf::Descriptor;
using google::protobuf::DescriptorPool;
using google::protobuf::internal::scoped_ptr;
using google::protobuf::util::BinaryToJsonString;
using google::protobuf::util::JsonToBinaryString;
using google::protobuf::util::NewTypeResolverForDescriptorPool;
using google::protobuf::util::Status;
using google::protobuf::util::TypeResolver;
using protobuf_test_messages::proto3::TestAllTypes;
using std::string;
static const char kTypeUrlPrefix[] = "type.googleapis.com";
static string GetTypeUrl(const Descriptor* message) {
return string(kTypeUrlPrefix) + "/" + message->full_name();
}
int test_count = 0;
bool verbose = false;
TypeResolver* type_resolver;
string* type_url;
bool CheckedRead(int fd, void *buf, size_t len) {
size_t ofs = 0;
while (len > 0) {
ssize_t bytes_read = read(fd, (char*)buf + ofs, len);
if (bytes_read == 0) return false;
if (bytes_read < 0) {
GOOGLE_LOG(FATAL) << "Error reading from test runner: " << strerror(errno);
}
len -= bytes_read;
ofs += bytes_read;
}
return true;
}
void CheckedWrite(int fd, const void *buf, size_t len) {
if (write(fd, buf, len) != len) {
GOOGLE_LOG(FATAL) << "Error writing to test runner: " << strerror(errno);
}
}
void DoTest(const ConformanceRequest& request, ConformanceResponse* response) {
TestAllTypes test_message;
switch (request.payload_case()) {
case ConformanceRequest::kProtobufPayload:
if (!test_message.ParseFromString(request.protobuf_payload())) {
// Getting parse details would involve something like:
// http://stackoverflow.com/questions/22121922/how-can-i-get-more-details-about-errors-generated-during-protobuf-parsing-c
response->set_parse_error("Parse error (no more details available).");
return;
}
break;
case ConformanceRequest::kJsonPayload: {
string proto_binary;
Status status = JsonToBinaryString(type_resolver, *type_url,
request.json_payload(), &proto_binary);
if (!status.ok()) {
response->set_parse_error(string("Parse error: ") +
status.error_message().as_string());
return;
}
if (!test_message.ParseFromString(proto_binary)) {
response->set_runtime_error(
"Parsing JSON generates invalid proto output.");
return;
}
break;
}
case ConformanceRequest::PAYLOAD_NOT_SET:
GOOGLE_LOG(FATAL) << "Request didn't have payload.";
break;
}
switch (request.requested_output_format()) {
case conformance::UNSPECIFIED:
GOOGLE_LOG(FATAL) << "Unspecified output format";
break;
case conformance::PROTOBUF:
GOOGLE_CHECK(
test_message.SerializeToString(response->mutable_protobuf_payload()));
break;
case conformance::JSON: {
string proto_binary;
GOOGLE_CHECK(test_message.SerializeToString(&proto_binary));
Status status = BinaryToJsonString(type_resolver, *type_url, proto_binary,
response->mutable_json_payload());
if (!status.ok()) {
response->set_serialize_error(
string("Failed to serialize JSON output: ") +
status.error_message().as_string());
return;
}
break;
}
default:
GOOGLE_LOG(FATAL) << "Unknown output format: "
<< request.requested_output_format();
}
}
bool DoTestIo() {
string serialized_input;
string serialized_output;
ConformanceRequest request;
ConformanceResponse response;
uint32_t bytes;
if (!CheckedRead(STDIN_FILENO, &bytes, sizeof(uint32_t))) {
// EOF.
return false;
}
serialized_input.resize(bytes);
if (!CheckedRead(STDIN_FILENO, (char*)serialized_input.c_str(), bytes)) {
GOOGLE_LOG(ERROR) << "Unexpected EOF on stdin. " << strerror(errno);
}
if (!request.ParseFromString(serialized_input)) {
GOOGLE_LOG(FATAL) << "Parse of ConformanceRequest proto failed.";
return false;
}
DoTest(request, &response);
response.SerializeToString(&serialized_output);
bytes = serialized_output.size();
CheckedWrite(STDOUT_FILENO, &bytes, sizeof(uint32_t));
CheckedWrite(STDOUT_FILENO, serialized_output.c_str(), bytes);
if (verbose) {
fprintf(stderr, "conformance-cpp: request=%s, response=%s\n",
request.ShortDebugString().c_str(),
response.ShortDebugString().c_str());
}
test_count++;
return true;
}
int main() {
type_resolver = NewTypeResolverForDescriptorPool(
kTypeUrlPrefix, DescriptorPool::generated_pool());
type_url = new string(GetTypeUrl(TestAllTypes::descriptor()));
while (1) {
if (!DoTestIo()) {
fprintf(stderr, "conformance-cpp: received EOF from test runner "
"after %d tests, exiting\n", test_count);
return 0;
}
}
}
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