1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* 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;
}
|
