| /* |
| * 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 "IncidentHelper.h" |
| #include "ih_util.h" |
| |
| #include "frameworks/base/core/proto/android/os/kernelwake.pb.h" |
| #include "frameworks/base/core/proto/android/os/procrank.pb.h" |
| |
| #include <android-base/file.h> |
| #include <unistd.h> |
| #include <string> |
| #include <vector> |
| |
| using namespace android::base; |
| using namespace android::os; |
| using namespace google::protobuf; |
| using namespace std; |
| |
| static bool |
| SetTableField(::google::protobuf::Message* message, string field_name, string field_value) { |
| const Descriptor* descriptor = message->GetDescriptor(); |
| const Reflection* reflection = message->GetReflection(); |
| |
| const FieldDescriptor* field = descriptor->FindFieldByName(field_name); |
| switch (field->type()) { |
| case FieldDescriptor::TYPE_STRING: |
| reflection->SetString(message, field, field_value); |
| return true; |
| case FieldDescriptor::TYPE_INT64: |
| reflection->SetInt64(message, field, atol(field_value.c_str())); |
| return true; |
| case FieldDescriptor::TYPE_UINT64: |
| reflection->SetUInt64(message, field, atol(field_value.c_str())); |
| return true; |
| case FieldDescriptor::TYPE_INT32: |
| reflection->SetInt32(message, field, atoi(field_value.c_str())); |
| return true; |
| case FieldDescriptor::TYPE_UINT32: |
| reflection->SetUInt32(message, field, atoi(field_value.c_str())); |
| return true; |
| default: |
| // Add new scalar types |
| return false; |
| } |
| } |
| |
| // ================================================================================ |
| status_t ReverseParser::Parse(const int in, const int out) const |
| { |
| string content; |
| if (!ReadFdToString(in, &content)) { |
| fprintf(stderr, "[%s]Failed to read data from incidentd\n", this->name.string()); |
| return -1; |
| } |
| // reverse the content |
| reverse(content.begin(), content.end()); |
| if (!WriteStringToFd(content, out)) { |
| fprintf(stderr, "[%s]Failed to write data to incidentd\n", this->name.string()); |
| return -1; |
| } |
| return NO_ERROR; |
| } |
| |
| // ================================================================================ |
| static const string KERNEL_WAKEUP_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; |
| |
| KernelWakeSources proto; |
| |
| // parse line by line |
| while (reader.readLine(line)) { |
| if (line.empty()) continue; |
| // parse head line |
| if (nline++ == 0) { |
| header = parseHeader(line, KERNEL_WAKEUP_LINE_DELIMITER); |
| continue; |
| } |
| |
| // parse for each record, the line delimiter is \t only! |
| record = parseRecord(line, KERNEL_WAKEUP_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; |
| } |
| |
| WakeupSourceProto* source = proto.add_wakeup_sources(); |
| for (int i=0; i<(int)record.size(); i++) { |
| if (!SetTableField(source, 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()); |
| } |
| } |
| } |
| |
| if (!reader.ok(line)) { |
| fprintf(stderr, "Bad read from fd %d: %s\n", in, line.c_str()); |
| return -1; |
| } |
| |
| if (!proto.SerializeToFileDescriptor(out)) { |
| fprintf(stderr, "[%s]Error writing proto back\n", this->name.string()); |
| return -1; |
| } |
| fprintf(stderr, "[%s]Proto size: %d bytes\n", this->name.string(), proto.ByteSize()); |
| return NO_ERROR; |
| } |
| |
| // ================================================================================ |
| status_t ProcrankParser::Parse(const int in, const int out) const { |
| Reader reader(in); |
| string line, content; |
| header_t header; // the header of /d/wakeup_sources |
| record_t record; // retain each record |
| int nline = 0; |
| |
| Procrank proto; |
| |
| // parse line by line |
| while (reader.readLine(line)) { |
| if (line.empty()) continue; |
| |
| // parse head line |
| if (nline++ == 0) { |
| header = parseHeader(line); |
| continue; |
| } |
| |
| record = parseRecord(line); |
| if (record.size() != header.size()) { |
| if (record[record.size() - 1] == "TOTAL") { // TOTAL record |
| ProcessProto* total = proto.mutable_summary()->mutable_total(); |
| for (int i=1; i<=(int)record.size(); i++) { |
| SetTableField(total, header[header.size() - i], record[record.size() - i]); |
| } |
| } else if (record[0] == "ZRAM:") { |
| record = parseRecord(line, ":"); |
| proto.mutable_summary()->mutable_zram()->set_raw_text(record[1]); |
| } else if (record[0] == "RAM:") { |
| record = parseRecord(line, ":"); |
| proto.mutable_summary()->mutable_ram()->set_raw_text(record[1]); |
| } else { |
| fprintf(stderr, "[%s]Line %d has missing fields\n%s\n", this->name.string(), nline, |
| line.c_str()); |
| } |
| continue; |
| } |
| |
| ProcessProto* process = proto.add_processes(); |
| for (int i=0; i<(int)record.size(); i++) { |
| if (!SetTableField(process, 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()); |
| } |
| } |
| } |
| |
| if (!reader.ok(line)) { |
| fprintf(stderr, "Bad read from fd %d: %s\n", in, line.c_str()); |
| return -1; |
| } |
| |
| if (!proto.SerializeToFileDescriptor(out)) { |
| fprintf(stderr, "[%s]Error writing proto back\n", this->name.string()); |
| return -1; |
| } |
| fprintf(stderr, "[%s]Proto size: %d bytes\n", this->name.string(), proto.ByteSize()); |
| return NO_ERROR; |
| } |