diff options
Diffstat (limited to 'cmds/incident_helper/src/parsers/KernelWakesParser.cpp')
-rw-r--r-- | cmds/incident_helper/src/parsers/KernelWakesParser.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/cmds/incident_helper/src/parsers/KernelWakesParser.cpp b/cmds/incident_helper/src/parsers/KernelWakesParser.cpp new file mode 100644 index 000000000000..cc4a1e1ecfa2 --- /dev/null +++ b/cmds/incident_helper/src/parsers/KernelWakesParser.cpp @@ -0,0 +1,79 @@ +/* + * 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; + +const std::string LINE_DELIMITER = "\t"; + +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(WakeupSourceProto::_FIELD_NAMES, WakeupSourceProto::_FIELD_IDS, WakeupSourceProto::_FIELD_COUNT); + + // parse line by line + while (reader.readLine(&line)) { + if (line.empty()) continue; + // parse head line + if (nline++ == 0) { + header = parseHeader(line, LINE_DELIMITER); + continue; + } + + // parse for each record, the line delimiter is \t only! + record = parseRecord(line, LINE_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; + } + + long long token = proto.start(KernelWakeSources::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; +} |