blob: be2f24f97d0218944b29a9f2ee187652d73af7f9 [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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 "proto_util.h"
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <android/util/protobuf.h>
#include <android/util/ProtoOutputStream.h>
#include <android-base/file.h>
namespace android {
namespace os {
namespace incidentd {
using namespace android::base;
using namespace android::util;
using google::protobuf::io::FileOutputStream;
// special section ids
const int FIELD_ID_INCIDENT_HEADER = 1;
status_t write_header_section(int fd, const vector<uint8_t>& buf) {
status_t err;
const size_t bufSize = buf.size();
if (buf.empty()) {
return NO_ERROR;
}
err = write_section_header(fd, FIELD_ID_INCIDENT_HEADER, bufSize);
if (err != NO_ERROR) {
return err;
}
err = WriteFully(fd, (uint8_t const*)buf.data(), bufSize);
if (err != NO_ERROR) {
return err;
}
return NO_ERROR;
}
status_t write_section_header(int fd, int sectionId, size_t size) {
uint8_t buf[20];
uint8_t* p = write_length_delimited_tag_header(buf, sectionId, size);
return WriteFully(fd, buf, p - buf) ? NO_ERROR : -errno;
}
status_t write_section(int fd, int sectionId, const MessageLite& message) {
status_t err;
err = write_section_header(fd, sectionId, message.ByteSize());
if (err != NO_ERROR) {
return err;
}
FileOutputStream stream(fd);
if (!message.SerializeToZeroCopyStream(&stream)) {
return stream.GetErrno();
} else {
return NO_ERROR;
}
}
} // namespace incidentd
} // namespace os
} // namespace android