Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 1 | // Copyright 2006-2013 The Android Open Source Project |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 2 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 3 | #include <log/log.h> |
Colin Cross | 9227bd3 | 2013-07-23 16:59:20 -0700 | [diff] [blame] | 4 | #include <log/logger.h> |
| 5 | #include <log/logd.h> |
| 6 | #include <log/logprint.h> |
| 7 | #include <log/event_tag_map.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 8 | #include <cutils/sockets.h> |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <stdarg.h> |
| 13 | #include <string.h> |
| 14 | #include <unistd.h> |
| 15 | #include <fcntl.h> |
| 16 | #include <time.h> |
| 17 | #include <errno.h> |
| 18 | #include <assert.h> |
| 19 | #include <ctype.h> |
| 20 | #include <sys/socket.h> |
| 21 | #include <sys/stat.h> |
| 22 | #include <arpa/inet.h> |
| 23 | |
| 24 | #define DEFAULT_LOG_ROTATE_SIZE_KBYTES 16 |
| 25 | #define DEFAULT_MAX_ROTATED_LOGS 4 |
| 26 | |
| 27 | static AndroidLogFormat * g_logformat; |
| 28 | |
| 29 | /* logd prefixes records with a length field */ |
| 30 | #define RECORD_LENGTH_FIELD_SIZE_BYTES sizeof(uint32_t) |
| 31 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 32 | struct log_device_t { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 33 | const char* device; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 34 | bool binary; |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 35 | struct logger *logger; |
| 36 | struct logger_list *logger_list; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 37 | bool printed; |
| 38 | char label; |
| 39 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 40 | log_device_t* next; |
| 41 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 42 | log_device_t(const char* d, bool b, char l) { |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 43 | device = d; |
| 44 | binary = b; |
| 45 | label = l; |
| 46 | next = NULL; |
| 47 | printed = false; |
| 48 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 49 | }; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 50 | |
| 51 | namespace android { |
| 52 | |
| 53 | /* Global Variables */ |
| 54 | |
| 55 | static const char * g_outputFileName = NULL; |
| 56 | static int g_logRotateSizeKBytes = 0; // 0 means "no log rotation" |
| 57 | static int g_maxRotatedLogs = DEFAULT_MAX_ROTATED_LOGS; // 0 means "unbounded" |
| 58 | static int g_outFD = -1; |
| 59 | static off_t g_outByteCount = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 60 | static int g_printBinary = 0; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 61 | static int g_devCount = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 62 | |
| 63 | static EventTagMap* g_eventTagMap = NULL; |
| 64 | |
| 65 | static int openLogFile (const char *pathname) |
| 66 | { |
Edwin Vane | 80b221c | 2012-08-13 12:55:07 -0400 | [diff] [blame] | 67 | return open(pathname, O_WRONLY | O_APPEND | O_CREAT, S_IRUSR | S_IWUSR); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | static void rotateLogs() |
| 71 | { |
| 72 | int err; |
| 73 | |
| 74 | // Can't rotate logs if we're not outputting to a file |
| 75 | if (g_outputFileName == NULL) { |
| 76 | return; |
| 77 | } |
| 78 | |
| 79 | close(g_outFD); |
| 80 | |
| 81 | for (int i = g_maxRotatedLogs ; i > 0 ; i--) { |
| 82 | char *file0, *file1; |
| 83 | |
| 84 | asprintf(&file1, "%s.%d", g_outputFileName, i); |
| 85 | |
| 86 | if (i - 1 == 0) { |
| 87 | asprintf(&file0, "%s", g_outputFileName); |
| 88 | } else { |
| 89 | asprintf(&file0, "%s.%d", g_outputFileName, i - 1); |
| 90 | } |
| 91 | |
| 92 | err = rename (file0, file1); |
| 93 | |
| 94 | if (err < 0 && errno != ENOENT) { |
| 95 | perror("while rotating log files"); |
| 96 | } |
| 97 | |
| 98 | free(file1); |
| 99 | free(file0); |
| 100 | } |
| 101 | |
| 102 | g_outFD = openLogFile (g_outputFileName); |
| 103 | |
| 104 | if (g_outFD < 0) { |
| 105 | perror ("couldn't open output file"); |
| 106 | exit(-1); |
| 107 | } |
| 108 | |
| 109 | g_outByteCount = 0; |
| 110 | |
| 111 | } |
| 112 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 113 | void printBinary(struct log_msg *buf) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 114 | { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 115 | size_t size = buf->len(); |
| 116 | |
| 117 | TEMP_FAILURE_RETRY(write(g_outFD, buf, size)); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 118 | } |
| 119 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 120 | static void processBuffer(log_device_t* dev, struct log_msg *buf) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 121 | { |
Mathias Agopian | 5084452 | 2010-03-17 16:10:26 -0700 | [diff] [blame] | 122 | int bytesWritten = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 123 | int err; |
| 124 | AndroidLogEntry entry; |
| 125 | char binaryMsgBuf[1024]; |
| 126 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 127 | if (dev->binary) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 128 | err = android_log_processBinaryLogBuffer(&buf->entry_v1, &entry, |
| 129 | g_eventTagMap, |
| 130 | binaryMsgBuf, |
| 131 | sizeof(binaryMsgBuf)); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 132 | //printf(">>> pri=%d len=%d msg='%s'\n", |
| 133 | // entry.priority, entry.messageLen, entry.message); |
| 134 | } else { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 135 | err = android_log_processLogBuffer(&buf->entry_v1, &entry); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 136 | } |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 137 | if (err < 0) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 138 | goto error; |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 139 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 140 | |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 141 | if (android_log_shouldPrintLine(g_logformat, entry.tag, entry.priority)) { |
| 142 | if (false && g_devCount > 1) { |
| 143 | binaryMsgBuf[0] = dev->label; |
| 144 | binaryMsgBuf[1] = ' '; |
| 145 | bytesWritten = write(g_outFD, binaryMsgBuf, 2); |
| 146 | if (bytesWritten < 0) { |
| 147 | perror("output error"); |
| 148 | exit(-1); |
| 149 | } |
| 150 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 151 | |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 152 | bytesWritten = android_log_printLogLine(g_logformat, g_outFD, &entry); |
| 153 | |
| 154 | if (bytesWritten < 0) { |
| 155 | perror("output error"); |
| 156 | exit(-1); |
| 157 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | g_outByteCount += bytesWritten; |
| 161 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 162 | if (g_logRotateSizeKBytes > 0 |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 163 | && (g_outByteCount / 1024) >= g_logRotateSizeKBytes |
| 164 | ) { |
| 165 | rotateLogs(); |
| 166 | } |
| 167 | |
| 168 | error: |
| 169 | //fprintf (stderr, "Error processing record\n"); |
| 170 | return; |
| 171 | } |
| 172 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 173 | static void maybePrintStart(log_device_t* dev) { |
| 174 | if (!dev->printed) { |
| 175 | dev->printed = true; |
| 176 | if (g_devCount > 1 && !g_printBinary) { |
| 177 | char buf[1024]; |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 178 | snprintf(buf, sizeof(buf), "--------- beginning of %s\n", |
| 179 | dev->device); |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 180 | if (write(g_outFD, buf, strlen(buf)) < 0) { |
| 181 | perror("output error"); |
| 182 | exit(-1); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 183 | } |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 188 | static void setupOutput() |
| 189 | { |
| 190 | |
| 191 | if (g_outputFileName == NULL) { |
| 192 | g_outFD = STDOUT_FILENO; |
| 193 | |
| 194 | } else { |
| 195 | struct stat statbuf; |
| 196 | |
| 197 | g_outFD = openLogFile (g_outputFileName); |
| 198 | |
| 199 | if (g_outFD < 0) { |
| 200 | perror ("couldn't open output file"); |
| 201 | exit(-1); |
| 202 | } |
| 203 | |
| 204 | fstat(g_outFD, &statbuf); |
| 205 | |
| 206 | g_outByteCount = statbuf.st_size; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | static void show_help(const char *cmd) |
| 211 | { |
| 212 | fprintf(stderr,"Usage: %s [options] [filterspecs]\n", cmd); |
| 213 | |
| 214 | fprintf(stderr, "options include:\n" |
| 215 | " -s Set default filter to silent.\n" |
| 216 | " Like specifying filterspec '*:s'\n" |
| 217 | " -f <filename> Log to file. Default to stdout\n" |
| 218 | " -r [<kbytes>] Rotate log every kbytes. (16 if unspecified). Requires -f\n" |
| 219 | " -n <count> Sets max number of rotated logs to <count>, default 4\n" |
| 220 | " -v <format> Sets the log print format, where <format> is one of:\n\n" |
| 221 | " brief process tag thread raw time threadtime long\n\n" |
| 222 | " -c clear (flush) the entire log and exit\n" |
| 223 | " -d dump the log and then exit (don't block)\n" |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 224 | " -t <count> print only the most recent <count> lines (implies -d)\n" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 225 | " -g get the size of the log's ring buffer and exit\n" |
Wink Saville | ba9608f | 2010-06-18 10:15:08 -0700 | [diff] [blame] | 226 | " -b <buffer> Request alternate ring buffer, 'main', 'system', 'radio'\n" |
| 227 | " or 'events'. Multiple -b parameters are allowed and the\n" |
| 228 | " results are interleaved. The default is -b main -b system.\n" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 229 | " -B output the log in binary"); |
| 230 | |
| 231 | |
| 232 | fprintf(stderr,"\nfilterspecs are a series of \n" |
| 233 | " <tag>[:priority]\n\n" |
| 234 | "where <tag> is a log component tag (or * for all) and priority is:\n" |
| 235 | " V Verbose\n" |
| 236 | " D Debug\n" |
| 237 | " I Info\n" |
| 238 | " W Warn\n" |
| 239 | " E Error\n" |
| 240 | " F Fatal\n" |
| 241 | " S Silent (supress all output)\n" |
| 242 | "\n'*' means '*:d' and <tag> by itself means <tag>:v\n" |
| 243 | "\nIf not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS.\n" |
| 244 | "If no filterspec is found, filter defaults to '*:I'\n" |
| 245 | "\nIf not specified with -v, format is set from ANDROID_PRINTF_LOG\n" |
| 246 | "or defaults to \"brief\"\n\n"); |
| 247 | |
| 248 | |
| 249 | |
| 250 | } |
| 251 | |
| 252 | |
| 253 | } /* namespace android */ |
| 254 | |
| 255 | static int setLogFormat(const char * formatString) |
| 256 | { |
| 257 | static AndroidLogPrintFormat format; |
| 258 | |
| 259 | format = android_log_formatFromString(formatString); |
| 260 | |
| 261 | if (format == FORMAT_OFF) { |
| 262 | // FORMAT_OFF means invalid string |
| 263 | return -1; |
| 264 | } |
| 265 | |
| 266 | android_log_setPrintFormat(g_logformat, format); |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | extern "C" void logprint_run_tests(void); |
| 272 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 273 | int main(int argc, char **argv) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 274 | { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 275 | int err; |
| 276 | int hasSetLogFormat = 0; |
| 277 | int clearLog = 0; |
| 278 | int getLogSize = 0; |
| 279 | int mode = O_RDONLY; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 280 | const char *forceFilters = NULL; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 281 | log_device_t* devices = NULL; |
| 282 | log_device_t* dev; |
| 283 | bool needBinary = false; |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 284 | struct logger_list *logger_list; |
| 285 | int tail_lines = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 286 | |
| 287 | g_logformat = android_log_format_new(); |
| 288 | |
| 289 | if (argc == 2 && 0 == strcmp(argv[1], "--test")) { |
| 290 | logprint_run_tests(); |
| 291 | exit(0); |
| 292 | } |
| 293 | |
| 294 | if (argc == 2 && 0 == strcmp(argv[1], "--help")) { |
| 295 | android::show_help(argv[0]); |
| 296 | exit(0); |
| 297 | } |
| 298 | |
| 299 | for (;;) { |
| 300 | int ret; |
| 301 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 302 | ret = getopt(argc, argv, "cdt:gsQf:r::n:v:b:B"); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 303 | |
| 304 | if (ret < 0) { |
| 305 | break; |
| 306 | } |
| 307 | |
| 308 | switch(ret) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 309 | case 's': |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 310 | // default to all silent |
| 311 | android_log_addFilterRule(g_logformat, "*:s"); |
| 312 | break; |
| 313 | |
| 314 | case 'c': |
| 315 | clearLog = 1; |
| 316 | mode = O_WRONLY; |
| 317 | break; |
| 318 | |
| 319 | case 'd': |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 320 | mode = O_RDONLY | O_NDELAY; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 321 | break; |
| 322 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 323 | case 't': |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 324 | mode = O_RDONLY | O_NDELAY; |
| 325 | tail_lines = atoi(optarg); |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 326 | break; |
| 327 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 328 | case 'g': |
| 329 | getLogSize = 1; |
| 330 | break; |
| 331 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 332 | case 'b': { |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 333 | bool binary = strcmp(optarg, "events") == 0; |
| 334 | if (binary) { |
| 335 | needBinary = true; |
| 336 | } |
| 337 | |
| 338 | if (devices) { |
| 339 | dev = devices; |
| 340 | while (dev->next) { |
| 341 | dev = dev->next; |
| 342 | } |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 343 | dev->next = new log_device_t(optarg, binary, optarg[0]); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 344 | } else { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 345 | devices = new log_device_t(optarg, binary, optarg[0]); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 346 | } |
| 347 | android::g_devCount++; |
| 348 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 349 | break; |
| 350 | |
| 351 | case 'B': |
| 352 | android::g_printBinary = 1; |
| 353 | break; |
| 354 | |
| 355 | case 'f': |
| 356 | // redirect output to a file |
| 357 | |
| 358 | android::g_outputFileName = optarg; |
| 359 | |
| 360 | break; |
| 361 | |
| 362 | case 'r': |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 363 | if (optarg == NULL) { |
| 364 | android::g_logRotateSizeKBytes |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 365 | = DEFAULT_LOG_ROTATE_SIZE_KBYTES; |
| 366 | } else { |
| 367 | long logRotateSize; |
| 368 | char *lastDigit; |
| 369 | |
| 370 | if (!isdigit(optarg[0])) { |
| 371 | fprintf(stderr,"Invalid parameter to -r\n"); |
| 372 | android::show_help(argv[0]); |
| 373 | exit(-1); |
| 374 | } |
| 375 | android::g_logRotateSizeKBytes = atoi(optarg); |
| 376 | } |
| 377 | break; |
| 378 | |
| 379 | case 'n': |
| 380 | if (!isdigit(optarg[0])) { |
| 381 | fprintf(stderr,"Invalid parameter to -r\n"); |
| 382 | android::show_help(argv[0]); |
| 383 | exit(-1); |
| 384 | } |
| 385 | |
| 386 | android::g_maxRotatedLogs = atoi(optarg); |
| 387 | break; |
| 388 | |
| 389 | case 'v': |
| 390 | err = setLogFormat (optarg); |
| 391 | if (err < 0) { |
| 392 | fprintf(stderr,"Invalid parameter to -v\n"); |
| 393 | android::show_help(argv[0]); |
| 394 | exit(-1); |
| 395 | } |
| 396 | |
| 397 | hasSetLogFormat = 1; |
| 398 | break; |
| 399 | |
| 400 | case 'Q': |
| 401 | /* this is a *hidden* option used to start a version of logcat */ |
| 402 | /* in an emulated device only. it basically looks for androidboot.logcat= */ |
| 403 | /* on the kernel command line. If something is found, it extracts a log filter */ |
| 404 | /* and uses it to run the program. If nothing is found, the program should */ |
| 405 | /* quit immediately */ |
| 406 | #define KERNEL_OPTION "androidboot.logcat=" |
| 407 | #define CONSOLE_OPTION "androidboot.console=" |
| 408 | { |
| 409 | int fd; |
| 410 | char* logcat; |
| 411 | char* console; |
| 412 | int force_exit = 1; |
| 413 | static char cmdline[1024]; |
| 414 | |
| 415 | fd = open("/proc/cmdline", O_RDONLY); |
| 416 | if (fd >= 0) { |
| 417 | int n = read(fd, cmdline, sizeof(cmdline)-1 ); |
| 418 | if (n < 0) n = 0; |
| 419 | cmdline[n] = 0; |
| 420 | close(fd); |
| 421 | } else { |
| 422 | cmdline[0] = 0; |
| 423 | } |
| 424 | |
| 425 | logcat = strstr( cmdline, KERNEL_OPTION ); |
| 426 | console = strstr( cmdline, CONSOLE_OPTION ); |
| 427 | if (logcat != NULL) { |
| 428 | char* p = logcat + sizeof(KERNEL_OPTION)-1;; |
| 429 | char* q = strpbrk( p, " \t\n\r" );; |
| 430 | |
| 431 | if (q != NULL) |
| 432 | *q = 0; |
| 433 | |
| 434 | forceFilters = p; |
| 435 | force_exit = 0; |
| 436 | } |
| 437 | /* if nothing found or invalid filters, exit quietly */ |
| 438 | if (force_exit) |
| 439 | exit(0); |
| 440 | |
| 441 | /* redirect our output to the emulator console */ |
| 442 | if (console) { |
| 443 | char* p = console + sizeof(CONSOLE_OPTION)-1; |
| 444 | char* q = strpbrk( p, " \t\n\r" ); |
| 445 | char devname[64]; |
| 446 | int len; |
| 447 | |
| 448 | if (q != NULL) { |
| 449 | len = q - p; |
| 450 | } else |
| 451 | len = strlen(p); |
| 452 | |
| 453 | len = snprintf( devname, sizeof(devname), "/dev/%.*s", len, p ); |
| 454 | fprintf(stderr, "logcat using %s (%d)\n", devname, len); |
| 455 | if (len < (int)sizeof(devname)) { |
| 456 | fd = open( devname, O_WRONLY ); |
| 457 | if (fd >= 0) { |
| 458 | dup2(fd, 1); |
| 459 | dup2(fd, 2); |
| 460 | close(fd); |
| 461 | } |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | break; |
| 466 | |
| 467 | default: |
| 468 | fprintf(stderr,"Unrecognized Option\n"); |
| 469 | android::show_help(argv[0]); |
| 470 | exit(-1); |
| 471 | break; |
| 472 | } |
| 473 | } |
| 474 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 475 | if (!devices) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 476 | devices = new log_device_t("main", false, 'm'); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 477 | android::g_devCount = 1; |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 478 | if (android_name_to_log_id("system") == LOG_ID_SYSTEM) { |
| 479 | devices->next = new log_device_t("system", false, 's'); |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 480 | android::g_devCount++; |
| 481 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 482 | } |
| 483 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 484 | if (android::g_logRotateSizeKBytes != 0 |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 485 | && android::g_outputFileName == NULL |
| 486 | ) { |
| 487 | fprintf(stderr,"-r requires -f as well\n"); |
| 488 | android::show_help(argv[0]); |
| 489 | exit(-1); |
| 490 | } |
| 491 | |
| 492 | android::setupOutput(); |
| 493 | |
| 494 | if (hasSetLogFormat == 0) { |
| 495 | const char* logFormat = getenv("ANDROID_PRINTF_LOG"); |
| 496 | |
| 497 | if (logFormat != NULL) { |
| 498 | err = setLogFormat(logFormat); |
| 499 | |
| 500 | if (err < 0) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 501 | fprintf(stderr, "invalid format in ANDROID_PRINTF_LOG '%s'\n", |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 502 | logFormat); |
| 503 | } |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | if (forceFilters) { |
| 508 | err = android_log_addFilterString(g_logformat, forceFilters); |
| 509 | if (err < 0) { |
| 510 | fprintf (stderr, "Invalid filter expression in -logcat option\n"); |
| 511 | exit(0); |
| 512 | } |
| 513 | } else if (argc == optind) { |
| 514 | // Add from environment variable |
| 515 | char *env_tags_orig = getenv("ANDROID_LOG_TAGS"); |
| 516 | |
| 517 | if (env_tags_orig != NULL) { |
| 518 | err = android_log_addFilterString(g_logformat, env_tags_orig); |
| 519 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 520 | if (err < 0) { |
| 521 | fprintf(stderr, "Invalid filter expression in" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 522 | " ANDROID_LOG_TAGS\n"); |
| 523 | android::show_help(argv[0]); |
| 524 | exit(-1); |
| 525 | } |
| 526 | } |
| 527 | } else { |
| 528 | // Add from commandline |
| 529 | for (int i = optind ; i < argc ; i++) { |
| 530 | err = android_log_addFilterString(g_logformat, argv[i]); |
| 531 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 532 | if (err < 0) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 533 | fprintf (stderr, "Invalid filter expression '%s'\n", argv[i]); |
| 534 | android::show_help(argv[0]); |
| 535 | exit(-1); |
| 536 | } |
| 537 | } |
| 538 | } |
| 539 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 540 | dev = devices; |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 541 | logger_list = android_logger_list_alloc(mode, tail_lines, 0); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 542 | while (dev) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 543 | dev->logger_list = logger_list; |
| 544 | dev->logger = android_logger_open(logger_list, |
| 545 | android_name_to_log_id(dev->device)); |
| 546 | if (!dev->logger) { |
| 547 | fprintf(stderr, "Unable to open log device '%s'\n", dev->device); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 548 | exit(EXIT_FAILURE); |
| 549 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 550 | |
| 551 | if (clearLog) { |
| 552 | int ret; |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 553 | ret = android_logger_clear(dev->logger); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 554 | if (ret) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 555 | perror("clearLog"); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 556 | exit(EXIT_FAILURE); |
| 557 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | if (getLogSize) { |
| 561 | int size, readable; |
| 562 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 563 | size = android_logger_get_log_size(dev->logger); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 564 | if (size < 0) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 565 | perror("getLogSize"); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 566 | exit(EXIT_FAILURE); |
| 567 | } |
| 568 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 569 | readable = android_logger_get_log_readable_size(dev->logger); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 570 | if (readable < 0) { |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 571 | perror("getLogReadableSize"); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 572 | exit(EXIT_FAILURE); |
| 573 | } |
| 574 | |
| 575 | printf("%s: ring buffer is %dKb (%dKb consumed), " |
| 576 | "max entry is %db, max payload is %db\n", dev->device, |
| 577 | size / 1024, readable / 1024, |
| 578 | (int) LOGGER_ENTRY_MAX_LEN, (int) LOGGER_ENTRY_MAX_PAYLOAD); |
| 579 | } |
| 580 | |
| 581 | dev = dev->next; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | if (getLogSize) { |
Kenny Root | 4bf3c02 | 2011-09-30 17:10:14 -0700 | [diff] [blame] | 585 | exit(0); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 586 | } |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 587 | if (clearLog) { |
Kenny Root | 4bf3c02 | 2011-09-30 17:10:14 -0700 | [diff] [blame] | 588 | exit(0); |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 589 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 590 | |
| 591 | //LOG_EVENT_INT(10, 12345); |
| 592 | //LOG_EVENT_LONG(11, 0x1122334455667788LL); |
| 593 | //LOG_EVENT_STRING(0, "whassup, doc?"); |
| 594 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 595 | if (needBinary) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 596 | android::g_eventTagMap = android_openEventTagMap(EVENT_TAG_MAP_FILE); |
| 597 | |
Mark Salyzyn | a1062c7 | 2013-11-22 10:55:48 -0800 | [diff] [blame] | 598 | while (1) { |
| 599 | struct log_msg log_msg; |
| 600 | int ret = android_logger_list_read(logger_list, &log_msg); |
| 601 | |
| 602 | if (ret == 0) { |
| 603 | fprintf(stderr, "read: Unexpected EOF!\n"); |
| 604 | exit(EXIT_FAILURE); |
| 605 | } |
| 606 | |
| 607 | if (ret < 0) { |
| 608 | if (ret == -EAGAIN) { |
| 609 | break; |
| 610 | } |
| 611 | |
| 612 | if (ret == -EIO) { |
| 613 | fprintf(stderr, "read: Unexpected EOF!\n"); |
| 614 | exit(EXIT_FAILURE); |
| 615 | } |
| 616 | if (ret == -EINVAL) { |
| 617 | fprintf(stderr, "read: unexpected length.\n"); |
| 618 | exit(EXIT_FAILURE); |
| 619 | } |
| 620 | perror("logcat read"); |
| 621 | exit(EXIT_FAILURE); |
| 622 | } |
| 623 | |
| 624 | for(dev = devices; dev; dev = dev->next) { |
| 625 | if (android_name_to_log_id(dev->device) == log_msg.id()) { |
| 626 | break; |
| 627 | } |
| 628 | } |
| 629 | if (!dev) { |
| 630 | fprintf(stderr, "read: Unexpected log ID!\n"); |
| 631 | exit(EXIT_FAILURE); |
| 632 | } |
| 633 | |
| 634 | android::maybePrintStart(dev); |
| 635 | if (android::g_printBinary) { |
| 636 | android::printBinary(&log_msg); |
| 637 | } else { |
| 638 | android::processBuffer(dev, &log_msg); |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | android_logger_list_free(logger_list); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 643 | |
| 644 | return 0; |
| 645 | } |