main.cpp revision 3c034c987e1eeb49660fb62d3426c292a01412c9 
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
34using namespace android::base;
35using namespace std;
36
37static 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//=============================================================================
46static 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        default:
76            return NULL;
77    }
78}
79
80//=============================================================================
81int main(int argc, char** argv) {
82    fprintf(stderr, "Start incident_helper...\n");
83
84    // Parse the args
85    int opt;
86    int sectionID = 0;
87    while ((opt = getopt(argc, argv, "hs:")) != -1) {
88        switch (opt) {
89            case 'h':
90                usage(stdout);
91                return 0;
92            case 's':
93                sectionID = atoi(optarg);
94                break;
95        }
96    }
97
98    fprintf(stderr, "Pasring section %d...\n", sectionID);
99    TextParserBase* parser = selectParser(sectionID);
100    if (parser != NULL) {
101        fprintf(stderr, "Running parser: %s\n", parser->name.string());
102        status_t err = parser->Parse(STDIN_FILENO, STDOUT_FILENO);
103        if (err != NO_ERROR) {
104            fprintf(stderr, "Parse error in section %d: %s\n", sectionID, strerror(-err));
105            return -1;
106        }
107
108        delete parser;
109    }
110    fprintf(stderr, "Finish section %d, exiting...\n", sectionID);
111
112    return 0;
113}
114