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/*
* 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 std;
// ================================================================================
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";
static void SetWakeupSourceField(WakeupSourceProto* source, string name, string value) {
if (name == "name") {
source->set_name(value.c_str());
} else if (name == "active_count") {
source->set_active_count(atoi(value.c_str()));
} else if (name == "event_count") {
source->set_event_count(atoi(value.c_str()));
} else if (name == "wakeup_count") {
source->set_wakeup_count(atoi(value.c_str()));
} else if (name == "expire_count") {
source->set_expire_count(atoi(value.c_str()));
} else if (name == "active_count") {
source->set_active_since(atol(value.c_str()));
} else if (name == "total_time") {
source->set_total_time(atol(value.c_str()));
} else if (name == "max_time") {
source->set_max_time(atol(value.c_str()));
} else if (name == "last_change") {
source->set_last_change(atol(value.c_str()));
} else if (name == "prevent_suspend_time") {
source->set_prevent_suspend_time(atol(value.c_str()));
}
// add new fields
}
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) {
split(line, header, KERNEL_WAKEUP_LINE_DELIMITER);
continue;
}
// parse for each record, the line delimiter is \t only!
split(line, record, 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++) {
SetWakeupSourceField(source, header[i], record[i]);
}
}
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;
}
// ================================================================================
// Remove K for numeric fields
static void SetProcessField(ProcessProto* process, string name, string value) {
ssize_t len = value.size();
if (name == "PID") {
process->set_pid(atoi(value.c_str()));
} else if (name == "Vss") {
process->set_vss(atol(value.substr(0, len - 1).c_str()));
} else if (name == "Rss") {
process->set_rss(atol(value.substr(0, len - 1).c_str()));
} else if (name == "Pss") {
process->set_pss(atol(value.substr(0, len - 1).c_str()));
} else if (name == "Uss") {
process->set_uss(atol(value.substr(0, len - 1).c_str()));
} else if (name == "Swap") {
process->set_swap(atol(value.substr(0, len - 1).c_str()));
} else if (name == "PSwap") {
process->set_pswap(atol(value.substr(0, len - 1).c_str()));
} else if (name == "USwap") {
process->set_uswap(atol(value.substr(0, len - 1).c_str()));
} else if (name == "ZSwap") {
process->set_zswap(atol(value.substr(0, len - 1).c_str()));
} else if (name == "cmdline") {
process->set_cmdline(value);
}
}
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) {
split(line, header);
continue;
}
split(line, record);
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++) {
SetProcessField(total, header[header.size() - i], record[record.size() - i]);
}
} else if (record[0] == "ZRAM:") {
split(line, record, ":");
proto.mutable_summary()->mutable_zram()->set_raw_text(record[1]);
} else if (record[0] == "RAM:") {
split(line, record, ":");
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++) {
SetProcessField(process, header[i], record[i]);
}
}
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;
}
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