1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "incident_helper"
18
19 #include "parsers/BatteryTypeParser.h"
20 #include "parsers/CpuFreqParser.h"
21 #include "parsers/CpuInfoParser.h"
22 #include "parsers/EventLogTagsParser.h"
23 #include "parsers/KernelWakesParser.h"
24 #include "parsers/PageTypeInfoParser.h"
25 #include "parsers/ProcrankParser.h"
26 #include "parsers/PsParser.h"
27 #include "parsers/SystemPropertiesParser.h"
28
29 #include <android-base/file.h>
30 #include <getopt.h>
31 #include <stdlib.h>
32 #include <unistd.h>
33
34 using namespace android::base;
35 using namespace std;
36
usage(FILE * out)37 static void usage(FILE* out) {
38 fprintf(out, "incident_helper is not designed to run manually,");
39 fprintf(out, "it reads from stdin and writes to stdout, see README.md for details.\n");
40 fprintf(out, "usage: incident_helper -s SECTION\n");
41 fprintf(out, "REQUIRED:\n");
42 fprintf(out, " -s section id, must be positive\n");
43 }
44
45 //=============================================================================
selectParser(int section)46 static TextParserBase* selectParser(int section) {
47 switch (section) {
48 // IDs smaller than or equal to 0 are reserved for testing
49 case -1:
50 return new TimeoutParser();
51 case 0:
52 return new NoopParser();
53 case 1: // 1 is reserved for incident header so it won't be section id
54 return new ReverseParser();
55 /* ========================================================================= */
56 // IDs larger than 1 are section ids reserved in incident.proto
57 case 1000:
58 return new SystemPropertiesParser();
59 case 1100:
60 return new EventLogTagsParser();
61 case 2000:
62 return new ProcrankParser();
63 case 2001:
64 return new PageTypeInfoParser();
65 case 2002:
66 return new KernelWakesParser();
67 case 2003:
68 return new CpuInfoParser();
69 case 2004:
70 return new CpuFreqParser();
71 case 2005:
72 return new PsParser();
73 case 2006:
74 return new BatteryTypeParser();
75 case 3026: // system_trace is already a serialized protobuf
76 return new NoopParser();
77 default:
78 // Return no op parser when no specific ones are implemented.
79 return new NoopParser();
80 }
81 }
82
83 //=============================================================================
main(int argc,char ** argv)84 int main(int argc, char** argv) {
85 fprintf(stderr, "Start incident_helper...\n");
86
87 // Parse the args
88 int opt;
89 int sectionID = 0;
90 while ((opt = getopt(argc, argv, "hs:")) != -1) {
91 switch (opt) {
92 case 'h':
93 usage(stdout);
94 return 0;
95 case 's':
96 sectionID = atoi(optarg);
97 break;
98 }
99 }
100
101 fprintf(stderr, "Pasring section %d...\n", sectionID);
102 TextParserBase* parser = selectParser(sectionID);
103 if (parser != nullptr) {
104 fprintf(stderr, "Running parser: %s\n", parser->name.c_str());
105 status_t err = parser->Parse(STDIN_FILENO, STDOUT_FILENO);
106 if (err != NO_ERROR) {
107 fprintf(stderr, "Parse error in section %d: %s\n", sectionID, strerror(-err));
108 return -1;
109 }
110
111 delete parser;
112 }
113 fprintf(stderr, "Finish section %d, exiting...\n", sectionID);
114
115 return 0;
116 }
117