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 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 //============================================================================= 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 //============================================================================= 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.string()); 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
