| /* |
| * 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. |
| */ |
| #define LOG_TAG "incident_helper" |
| |
| #include <android/util/ProtoOutputStream.h> |
| |
| #include "frameworks/base/core/proto/android/os/kernelwake.proto.h" |
| #include "ih_util.h" |
| #include "KernelWakesParser.h" |
| |
| using namespace android::os; |
| |
| status_t |
| KernelWakesParser::Parse(const int in, const int out) const |
| { |
| Reader reader(in); |
| string line; |
| header_t header; // the header of /d/wakeup_sources |
| record_t record; // retain each record |
| int nline = 0; |
| |
| ProtoOutputStream proto; |
| Table table(KernelWakeSourcesProto::WakeupSource::_FIELD_NAMES, |
| KernelWakeSourcesProto::WakeupSource::_FIELD_IDS, |
| KernelWakeSourcesProto::WakeupSource::_FIELD_COUNT); |
| |
| // parse line by line |
| while (reader.readLine(&line)) { |
| if (line.empty()) continue; |
| // parse head line |
| if (nline++ == 0) { |
| header = parseHeader(line, TAB_DELIMITER); |
| continue; |
| } |
| |
| // parse for each record, the line delimiter is \t only! |
| record = parseRecord(line, TAB_DELIMITER); |
| |
| if (record.size() < header.size()) { |
| // TODO: log this to incident report! |
| fprintf(stderr, "[%s]Line %d has missing fields\n%s\n", this->name.string(), nline, line.c_str()); |
| continue; |
| } else if (record.size() > header.size()) { |
| // TODO: log this to incident report! |
| fprintf(stderr, "[%s]Line %d has extra fields\n%s\n", this->name.string(), nline, line.c_str()); |
| continue; |
| } |
| |
| uint64_t token = proto.start(KernelWakeSourcesProto::WAKEUP_SOURCES); |
| for (int i=0; i<(int)record.size(); i++) { |
| if (!table.insertField(&proto, header[i], record[i])) { |
| fprintf(stderr, "[%s]Line %d has bad value %s of %s\n", |
| this->name.string(), nline, header[i].c_str(), record[i].c_str()); |
| } |
| } |
| proto.end(token); |
| } |
| |
| if (!reader.ok(&line)) { |
| fprintf(stderr, "Bad read from fd %d: %s\n", in, line.c_str()); |
| return -1; |
| } |
| |
| if (!proto.flush(out)) { |
| fprintf(stderr, "[%s]Error writing proto back\n", this->name.string()); |
| return -1; |
| } |
| fprintf(stderr, "[%s]Proto size: %zu bytes\n", this->name.string(), proto.size()); |
| return NO_ERROR; |
| } |