The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | // Copyright 2006 The Android Open Source Project |
| 2 | |
| 3 | #include <cutils/logger.h> |
| 4 | #include <cutils/logd.h> |
| 5 | #include <cutils/sockets.h> |
| 6 | #include <cutils/logprint.h> |
| 7 | #include <cutils/event_tag_map.h> |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdarg.h> |
| 12 | #include <string.h> |
| 13 | #include <unistd.h> |
| 14 | #include <fcntl.h> |
| 15 | #include <time.h> |
| 16 | #include <errno.h> |
| 17 | #include <assert.h> |
| 18 | #include <ctype.h> |
| 19 | #include <sys/socket.h> |
| 20 | #include <sys/stat.h> |
| 21 | #include <arpa/inet.h> |
| 22 | |
| 23 | #define DEFAULT_LOG_ROTATE_SIZE_KBYTES 16 |
| 24 | #define DEFAULT_MAX_ROTATED_LOGS 4 |
| 25 | |
| 26 | static AndroidLogFormat * g_logformat; |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 27 | static bool g_nonblock = false; |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 28 | static int g_tail_lines = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 29 | |
| 30 | /* logd prefixes records with a length field */ |
| 31 | #define RECORD_LENGTH_FIELD_SIZE_BYTES sizeof(uint32_t) |
| 32 | |
| 33 | #define LOG_FILE_DIR "/dev/log/" |
| 34 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 35 | struct queued_entry_t { |
| 36 | union { |
| 37 | unsigned char buf[LOGGER_ENTRY_MAX_LEN + 1] __attribute__((aligned(4))); |
| 38 | struct logger_entry entry __attribute__((aligned(4))); |
| 39 | }; |
| 40 | queued_entry_t* next; |
| 41 | |
| 42 | queued_entry_t() { |
| 43 | next = NULL; |
| 44 | } |
| 45 | }; |
| 46 | |
| 47 | static int cmp(queued_entry_t* a, queued_entry_t* b) { |
| 48 | int n = a->entry.sec - b->entry.sec; |
| 49 | if (n != 0) { |
| 50 | return n; |
| 51 | } |
| 52 | return a->entry.nsec - b->entry.nsec; |
| 53 | } |
| 54 | |
| 55 | struct log_device_t { |
| 56 | char* device; |
| 57 | bool binary; |
| 58 | int fd; |
| 59 | bool printed; |
| 60 | char label; |
| 61 | |
| 62 | queued_entry_t* queue; |
| 63 | log_device_t* next; |
| 64 | |
| 65 | log_device_t(char* d, bool b, char l) { |
| 66 | device = d; |
| 67 | binary = b; |
| 68 | label = l; |
| 69 | next = NULL; |
| 70 | printed = false; |
| 71 | } |
| 72 | |
| 73 | void enqueue(queued_entry_t* entry) { |
| 74 | if (this->queue == NULL) { |
| 75 | this->queue = entry; |
| 76 | } else { |
| 77 | queued_entry_t** e = &this->queue; |
| 78 | while (*e && cmp(entry, *e) >= 0) { |
| 79 | e = &((*e)->next); |
| 80 | } |
| 81 | entry->next = *e; |
| 82 | *e = entry; |
| 83 | } |
| 84 | } |
| 85 | }; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 86 | |
| 87 | namespace android { |
| 88 | |
| 89 | /* Global Variables */ |
| 90 | |
| 91 | static const char * g_outputFileName = NULL; |
| 92 | static int g_logRotateSizeKBytes = 0; // 0 means "no log rotation" |
| 93 | static int g_maxRotatedLogs = DEFAULT_MAX_ROTATED_LOGS; // 0 means "unbounded" |
| 94 | static int g_outFD = -1; |
| 95 | static off_t g_outByteCount = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 96 | static int g_printBinary = 0; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 97 | static int g_devCount = 0; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 98 | |
| 99 | static EventTagMap* g_eventTagMap = NULL; |
| 100 | |
| 101 | static int openLogFile (const char *pathname) |
| 102 | { |
| 103 | return open(g_outputFileName, O_WRONLY | O_APPEND | O_CREAT, S_IRUSR | S_IWUSR); |
| 104 | } |
| 105 | |
| 106 | static void rotateLogs() |
| 107 | { |
| 108 | int err; |
| 109 | |
| 110 | // Can't rotate logs if we're not outputting to a file |
| 111 | if (g_outputFileName == NULL) { |
| 112 | return; |
| 113 | } |
| 114 | |
| 115 | close(g_outFD); |
| 116 | |
| 117 | for (int i = g_maxRotatedLogs ; i > 0 ; i--) { |
| 118 | char *file0, *file1; |
| 119 | |
| 120 | asprintf(&file1, "%s.%d", g_outputFileName, i); |
| 121 | |
| 122 | if (i - 1 == 0) { |
| 123 | asprintf(&file0, "%s", g_outputFileName); |
| 124 | } else { |
| 125 | asprintf(&file0, "%s.%d", g_outputFileName, i - 1); |
| 126 | } |
| 127 | |
| 128 | err = rename (file0, file1); |
| 129 | |
| 130 | if (err < 0 && errno != ENOENT) { |
| 131 | perror("while rotating log files"); |
| 132 | } |
| 133 | |
| 134 | free(file1); |
| 135 | free(file0); |
| 136 | } |
| 137 | |
| 138 | g_outFD = openLogFile (g_outputFileName); |
| 139 | |
| 140 | if (g_outFD < 0) { |
| 141 | perror ("couldn't open output file"); |
| 142 | exit(-1); |
| 143 | } |
| 144 | |
| 145 | g_outByteCount = 0; |
| 146 | |
| 147 | } |
| 148 | |
| 149 | void printBinary(struct logger_entry *buf) |
| 150 | { |
| 151 | size_t size = sizeof(logger_entry) + buf->len; |
| 152 | int ret; |
| 153 | |
| 154 | do { |
| 155 | ret = write(g_outFD, buf, size); |
| 156 | } while (ret < 0 && errno == EINTR); |
| 157 | } |
| 158 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 159 | static void processBuffer(log_device_t* dev, struct logger_entry *buf) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 160 | { |
| 161 | int bytesWritten; |
| 162 | int err; |
| 163 | AndroidLogEntry entry; |
| 164 | char binaryMsgBuf[1024]; |
| 165 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 166 | if (dev->binary) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 167 | err = android_log_processBinaryLogBuffer(buf, &entry, g_eventTagMap, |
| 168 | binaryMsgBuf, sizeof(binaryMsgBuf)); |
| 169 | //printf(">>> pri=%d len=%d msg='%s'\n", |
| 170 | // entry.priority, entry.messageLen, entry.message); |
| 171 | } else { |
| 172 | err = android_log_processLogBuffer(buf, &entry); |
| 173 | } |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 174 | if (err < 0) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 175 | goto error; |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 176 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 177 | |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 178 | if (android_log_shouldPrintLine(g_logformat, entry.tag, entry.priority)) { |
| 179 | if (false && g_devCount > 1) { |
| 180 | binaryMsgBuf[0] = dev->label; |
| 181 | binaryMsgBuf[1] = ' '; |
| 182 | bytesWritten = write(g_outFD, binaryMsgBuf, 2); |
| 183 | if (bytesWritten < 0) { |
| 184 | perror("output error"); |
| 185 | exit(-1); |
| 186 | } |
| 187 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 188 | |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 189 | bytesWritten = android_log_printLogLine(g_logformat, g_outFD, &entry); |
| 190 | |
| 191 | if (bytesWritten < 0) { |
| 192 | perror("output error"); |
| 193 | exit(-1); |
| 194 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | g_outByteCount += bytesWritten; |
| 198 | |
| 199 | if (g_logRotateSizeKBytes > 0 |
| 200 | && (g_outByteCount / 1024) >= g_logRotateSizeKBytes |
| 201 | ) { |
| 202 | rotateLogs(); |
| 203 | } |
| 204 | |
| 205 | error: |
| 206 | //fprintf (stderr, "Error processing record\n"); |
| 207 | return; |
| 208 | } |
| 209 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 210 | static void chooseFirst(log_device_t* dev, log_device_t** firstdev) { |
| 211 | for (*firstdev = NULL; dev != NULL; dev = dev->next) { |
| 212 | if (dev->queue != NULL && (*firstdev == NULL || cmp(dev->queue, (*firstdev)->queue) < 0)) { |
| 213 | *firstdev = dev; |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | static void maybePrintStart(log_device_t* dev) { |
| 219 | if (!dev->printed) { |
| 220 | dev->printed = true; |
| 221 | if (g_devCount > 1 && !g_printBinary) { |
| 222 | char buf[1024]; |
| 223 | snprintf(buf, sizeof(buf), "--------- beginning of %s\n", dev->device); |
| 224 | if (write(g_outFD, buf, strlen(buf)) < 0) { |
| 225 | perror("output error"); |
| 226 | exit(-1); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 227 | } |
| 228 | } |
| 229 | } |
| 230 | } |
| 231 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 232 | static void skipNextEntry(log_device_t* dev) { |
| 233 | maybePrintStart(dev); |
| 234 | queued_entry_t* entry = dev->queue; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 235 | dev->queue = entry->next; |
| 236 | delete entry; |
| 237 | } |
| 238 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 239 | static void printNextEntry(log_device_t* dev) { |
| 240 | maybePrintStart(dev); |
| 241 | if (g_printBinary) { |
| 242 | printBinary(&dev->queue->entry); |
| 243 | } else { |
| 244 | processBuffer(dev, &dev->queue->entry); |
| 245 | } |
| 246 | skipNextEntry(dev); |
| 247 | } |
| 248 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 249 | static void readLogLines(log_device_t* devices) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 250 | { |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 251 | log_device_t* dev; |
| 252 | int max = 0; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 253 | int ret; |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 254 | int queued_lines = 0; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 255 | bool sleep = true; |
| 256 | |
| 257 | int result; |
| 258 | fd_set readset; |
| 259 | |
| 260 | for (dev=devices; dev; dev = dev->next) { |
| 261 | if (dev->fd > max) { |
| 262 | max = dev->fd; |
| 263 | } |
| 264 | } |
| 265 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 266 | while (1) { |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 267 | do { |
| 268 | timeval timeout = { 0, 5000 /* 5ms */ }; // If we oversleep it's ok, i.e. ignore EINTR. |
| 269 | FD_ZERO(&readset); |
| 270 | for (dev=devices; dev; dev = dev->next) { |
| 271 | FD_SET(dev->fd, &readset); |
| 272 | } |
| 273 | result = select(max + 1, &readset, NULL, NULL, sleep ? NULL : &timeout); |
| 274 | } while (result == -1 && errno == EINTR); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 275 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 276 | if (result >= 0) { |
| 277 | for (dev=devices; dev; dev = dev->next) { |
| 278 | if (FD_ISSET(dev->fd, &readset)) { |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 279 | queued_entry_t* entry = new queued_entry_t; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 280 | /* NOTE: driver guarantees we read exactly one full entry */ |
| 281 | ret = read(dev->fd, entry->buf, LOGGER_ENTRY_MAX_LEN); |
| 282 | if (ret < 0) { |
| 283 | if (errno == EINTR) { |
| 284 | delete entry; |
| 285 | goto next; |
| 286 | } |
| 287 | if (errno == EAGAIN) { |
| 288 | delete entry; |
| 289 | break; |
| 290 | } |
| 291 | perror("logcat read"); |
| 292 | exit(EXIT_FAILURE); |
| 293 | } |
| 294 | else if (!ret) { |
| 295 | fprintf(stderr, "read: Unexpected EOF!\n"); |
| 296 | exit(EXIT_FAILURE); |
| 297 | } |
| 298 | |
| 299 | entry->entry.msg[entry->entry.len] = '\0'; |
| 300 | |
| 301 | dev->enqueue(entry); |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 302 | ++queued_lines; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 303 | } |
| 304 | } |
| 305 | |
| 306 | if (result == 0) { |
| 307 | // we did our short timeout trick and there's nothing new |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 308 | // print everything we have and wait for more data |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 309 | sleep = true; |
| 310 | while (true) { |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 311 | chooseFirst(devices, &dev); |
| 312 | if (dev == NULL) { |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 313 | break; |
| 314 | } |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 315 | if (g_tail_lines == 0 || queued_lines <= g_tail_lines) { |
| 316 | printNextEntry(dev); |
| 317 | } else { |
| 318 | skipNextEntry(dev); |
| 319 | } |
| 320 | --queued_lines; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 321 | } |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 322 | |
| 323 | // the caller requested to just dump the log and exit |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 324 | if (g_nonblock) { |
| 325 | exit(0); |
| 326 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 327 | } else { |
| 328 | // print all that aren't the last in their list |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 329 | sleep = false; |
| 330 | while (g_tail_lines == 0 || queued_lines > g_tail_lines) { |
| 331 | chooseFirst(devices, &dev); |
| 332 | if (dev == NULL || dev->queue->next == NULL) { |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 333 | break; |
| 334 | } |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 335 | if (g_tail_lines == 0) { |
| 336 | printNextEntry(dev); |
| 337 | } else { |
| 338 | skipNextEntry(dev); |
| 339 | } |
| 340 | --queued_lines; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 341 | } |
| 342 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 343 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 344 | next: |
| 345 | ; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 346 | } |
| 347 | } |
| 348 | |
| 349 | static int clearLog(int logfd) |
| 350 | { |
| 351 | return ioctl(logfd, LOGGER_FLUSH_LOG); |
| 352 | } |
| 353 | |
| 354 | /* returns the total size of the log's ring buffer */ |
| 355 | static int getLogSize(int logfd) |
| 356 | { |
| 357 | return ioctl(logfd, LOGGER_GET_LOG_BUF_SIZE); |
| 358 | } |
| 359 | |
| 360 | /* returns the readable size of the log's ring buffer (that is, amount of the log consumed) */ |
| 361 | static int getLogReadableSize(int logfd) |
| 362 | { |
| 363 | return ioctl(logfd, LOGGER_GET_LOG_LEN); |
| 364 | } |
| 365 | |
| 366 | static void setupOutput() |
| 367 | { |
| 368 | |
| 369 | if (g_outputFileName == NULL) { |
| 370 | g_outFD = STDOUT_FILENO; |
| 371 | |
| 372 | } else { |
| 373 | struct stat statbuf; |
| 374 | |
| 375 | g_outFD = openLogFile (g_outputFileName); |
| 376 | |
| 377 | if (g_outFD < 0) { |
| 378 | perror ("couldn't open output file"); |
| 379 | exit(-1); |
| 380 | } |
| 381 | |
| 382 | fstat(g_outFD, &statbuf); |
| 383 | |
| 384 | g_outByteCount = statbuf.st_size; |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | static void show_help(const char *cmd) |
| 389 | { |
| 390 | fprintf(stderr,"Usage: %s [options] [filterspecs]\n", cmd); |
| 391 | |
| 392 | fprintf(stderr, "options include:\n" |
| 393 | " -s Set default filter to silent.\n" |
| 394 | " Like specifying filterspec '*:s'\n" |
| 395 | " -f <filename> Log to file. Default to stdout\n" |
| 396 | " -r [<kbytes>] Rotate log every kbytes. (16 if unspecified). Requires -f\n" |
| 397 | " -n <count> Sets max number of rotated logs to <count>, default 4\n" |
| 398 | " -v <format> Sets the log print format, where <format> is one of:\n\n" |
| 399 | " brief process tag thread raw time threadtime long\n\n" |
| 400 | " -c clear (flush) the entire log and exit\n" |
| 401 | " -d dump the log and then exit (don't block)\n" |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 402 | " -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] | 403 | " -g get the size of the log's ring buffer and exit\n" |
| 404 | " -b <buffer> request alternate ring buffer\n" |
| 405 | " ('main' (default), 'radio', 'events')\n" |
| 406 | " -B output the log in binary"); |
| 407 | |
| 408 | |
| 409 | fprintf(stderr,"\nfilterspecs are a series of \n" |
| 410 | " <tag>[:priority]\n\n" |
| 411 | "where <tag> is a log component tag (or * for all) and priority is:\n" |
| 412 | " V Verbose\n" |
| 413 | " D Debug\n" |
| 414 | " I Info\n" |
| 415 | " W Warn\n" |
| 416 | " E Error\n" |
| 417 | " F Fatal\n" |
| 418 | " S Silent (supress all output)\n" |
| 419 | "\n'*' means '*:d' and <tag> by itself means <tag>:v\n" |
| 420 | "\nIf not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS.\n" |
| 421 | "If no filterspec is found, filter defaults to '*:I'\n" |
| 422 | "\nIf not specified with -v, format is set from ANDROID_PRINTF_LOG\n" |
| 423 | "or defaults to \"brief\"\n\n"); |
| 424 | |
| 425 | |
| 426 | |
| 427 | } |
| 428 | |
| 429 | |
| 430 | } /* namespace android */ |
| 431 | |
| 432 | static int setLogFormat(const char * formatString) |
| 433 | { |
| 434 | static AndroidLogPrintFormat format; |
| 435 | |
| 436 | format = android_log_formatFromString(formatString); |
| 437 | |
| 438 | if (format == FORMAT_OFF) { |
| 439 | // FORMAT_OFF means invalid string |
| 440 | return -1; |
| 441 | } |
| 442 | |
| 443 | android_log_setPrintFormat(g_logformat, format); |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | extern "C" void logprint_run_tests(void); |
| 449 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 450 | int main(int argc, char **argv) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 451 | { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 452 | int err; |
| 453 | int hasSetLogFormat = 0; |
| 454 | int clearLog = 0; |
| 455 | int getLogSize = 0; |
| 456 | int mode = O_RDONLY; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 457 | const char *forceFilters = NULL; |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 458 | log_device_t* devices = NULL; |
| 459 | log_device_t* dev; |
| 460 | bool needBinary = false; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 461 | |
| 462 | g_logformat = android_log_format_new(); |
| 463 | |
| 464 | if (argc == 2 && 0 == strcmp(argv[1], "--test")) { |
| 465 | logprint_run_tests(); |
| 466 | exit(0); |
| 467 | } |
| 468 | |
| 469 | if (argc == 2 && 0 == strcmp(argv[1], "--help")) { |
| 470 | android::show_help(argv[0]); |
| 471 | exit(0); |
| 472 | } |
| 473 | |
| 474 | for (;;) { |
| 475 | int ret; |
| 476 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 477 | 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] | 478 | |
| 479 | if (ret < 0) { |
| 480 | break; |
| 481 | } |
| 482 | |
| 483 | switch(ret) { |
| 484 | case 's': |
| 485 | // default to all silent |
| 486 | android_log_addFilterRule(g_logformat, "*:s"); |
| 487 | break; |
| 488 | |
| 489 | case 'c': |
| 490 | clearLog = 1; |
| 491 | mode = O_WRONLY; |
| 492 | break; |
| 493 | |
| 494 | case 'd': |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 495 | g_nonblock = true; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 496 | break; |
| 497 | |
Dan Egnor | d1d3b6d | 2010-03-11 20:32:17 -0800 | [diff] [blame] | 498 | case 't': |
| 499 | g_nonblock = true; |
| 500 | g_tail_lines = atoi(optarg); |
| 501 | break; |
| 502 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 503 | case 'g': |
| 504 | getLogSize = 1; |
| 505 | break; |
| 506 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 507 | case 'b': { |
| 508 | char* buf = (char*) malloc(strlen(LOG_FILE_DIR) + strlen(optarg) + 1); |
| 509 | strcpy(buf, LOG_FILE_DIR); |
| 510 | strcat(buf, optarg); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 511 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 512 | bool binary = strcmp(optarg, "events") == 0; |
| 513 | if (binary) { |
| 514 | needBinary = true; |
| 515 | } |
| 516 | |
| 517 | if (devices) { |
| 518 | dev = devices; |
| 519 | while (dev->next) { |
| 520 | dev = dev->next; |
| 521 | } |
| 522 | dev->next = new log_device_t(buf, binary, optarg[0]); |
| 523 | } else { |
| 524 | devices = new log_device_t(buf, binary, optarg[0]); |
| 525 | } |
| 526 | android::g_devCount++; |
| 527 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 528 | break; |
| 529 | |
| 530 | case 'B': |
| 531 | android::g_printBinary = 1; |
| 532 | break; |
| 533 | |
| 534 | case 'f': |
| 535 | // redirect output to a file |
| 536 | |
| 537 | android::g_outputFileName = optarg; |
| 538 | |
| 539 | break; |
| 540 | |
| 541 | case 'r': |
| 542 | if (optarg == NULL) { |
| 543 | android::g_logRotateSizeKBytes |
| 544 | = DEFAULT_LOG_ROTATE_SIZE_KBYTES; |
| 545 | } else { |
| 546 | long logRotateSize; |
| 547 | char *lastDigit; |
| 548 | |
| 549 | if (!isdigit(optarg[0])) { |
| 550 | fprintf(stderr,"Invalid parameter to -r\n"); |
| 551 | android::show_help(argv[0]); |
| 552 | exit(-1); |
| 553 | } |
| 554 | android::g_logRotateSizeKBytes = atoi(optarg); |
| 555 | } |
| 556 | break; |
| 557 | |
| 558 | case 'n': |
| 559 | if (!isdigit(optarg[0])) { |
| 560 | fprintf(stderr,"Invalid parameter to -r\n"); |
| 561 | android::show_help(argv[0]); |
| 562 | exit(-1); |
| 563 | } |
| 564 | |
| 565 | android::g_maxRotatedLogs = atoi(optarg); |
| 566 | break; |
| 567 | |
| 568 | case 'v': |
| 569 | err = setLogFormat (optarg); |
| 570 | if (err < 0) { |
| 571 | fprintf(stderr,"Invalid parameter to -v\n"); |
| 572 | android::show_help(argv[0]); |
| 573 | exit(-1); |
| 574 | } |
| 575 | |
| 576 | hasSetLogFormat = 1; |
| 577 | break; |
| 578 | |
| 579 | case 'Q': |
| 580 | /* this is a *hidden* option used to start a version of logcat */ |
| 581 | /* in an emulated device only. it basically looks for androidboot.logcat= */ |
| 582 | /* on the kernel command line. If something is found, it extracts a log filter */ |
| 583 | /* and uses it to run the program. If nothing is found, the program should */ |
| 584 | /* quit immediately */ |
| 585 | #define KERNEL_OPTION "androidboot.logcat=" |
| 586 | #define CONSOLE_OPTION "androidboot.console=" |
| 587 | { |
| 588 | int fd; |
| 589 | char* logcat; |
| 590 | char* console; |
| 591 | int force_exit = 1; |
| 592 | static char cmdline[1024]; |
| 593 | |
| 594 | fd = open("/proc/cmdline", O_RDONLY); |
| 595 | if (fd >= 0) { |
| 596 | int n = read(fd, cmdline, sizeof(cmdline)-1 ); |
| 597 | if (n < 0) n = 0; |
| 598 | cmdline[n] = 0; |
| 599 | close(fd); |
| 600 | } else { |
| 601 | cmdline[0] = 0; |
| 602 | } |
| 603 | |
| 604 | logcat = strstr( cmdline, KERNEL_OPTION ); |
| 605 | console = strstr( cmdline, CONSOLE_OPTION ); |
| 606 | if (logcat != NULL) { |
| 607 | char* p = logcat + sizeof(KERNEL_OPTION)-1;; |
| 608 | char* q = strpbrk( p, " \t\n\r" );; |
| 609 | |
| 610 | if (q != NULL) |
| 611 | *q = 0; |
| 612 | |
| 613 | forceFilters = p; |
| 614 | force_exit = 0; |
| 615 | } |
| 616 | /* if nothing found or invalid filters, exit quietly */ |
| 617 | if (force_exit) |
| 618 | exit(0); |
| 619 | |
| 620 | /* redirect our output to the emulator console */ |
| 621 | if (console) { |
| 622 | char* p = console + sizeof(CONSOLE_OPTION)-1; |
| 623 | char* q = strpbrk( p, " \t\n\r" ); |
| 624 | char devname[64]; |
| 625 | int len; |
| 626 | |
| 627 | if (q != NULL) { |
| 628 | len = q - p; |
| 629 | } else |
| 630 | len = strlen(p); |
| 631 | |
| 632 | len = snprintf( devname, sizeof(devname), "/dev/%.*s", len, p ); |
| 633 | fprintf(stderr, "logcat using %s (%d)\n", devname, len); |
| 634 | if (len < (int)sizeof(devname)) { |
| 635 | fd = open( devname, O_WRONLY ); |
| 636 | if (fd >= 0) { |
| 637 | dup2(fd, 1); |
| 638 | dup2(fd, 2); |
| 639 | close(fd); |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | } |
| 644 | break; |
| 645 | |
| 646 | default: |
| 647 | fprintf(stderr,"Unrecognized Option\n"); |
| 648 | android::show_help(argv[0]); |
| 649 | exit(-1); |
| 650 | break; |
| 651 | } |
| 652 | } |
| 653 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 654 | if (!devices) { |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 655 | devices = new log_device_t(strdup("/dev/"LOGGER_LOG_MAIN), false, 'm'); |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 656 | android::g_devCount = 1; |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 657 | int accessmode = |
| 658 | (mode & O_RDONLY) ? R_OK : 0 |
| 659 | | (mode & O_WRONLY) ? W_OK : 0; |
| 660 | // only add this if it's available |
| 661 | if (0 == access("/dev/"LOGGER_LOG_SYSTEM, accessmode)) { |
| 662 | devices->next = new log_device_t(strdup("/dev/"LOGGER_LOG_SYSTEM), false, 's'); |
| 663 | android::g_devCount++; |
| 664 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 665 | } |
| 666 | |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 667 | if (android::g_logRotateSizeKBytes != 0 |
| 668 | && android::g_outputFileName == NULL |
| 669 | ) { |
| 670 | fprintf(stderr,"-r requires -f as well\n"); |
| 671 | android::show_help(argv[0]); |
| 672 | exit(-1); |
| 673 | } |
| 674 | |
| 675 | android::setupOutput(); |
| 676 | |
| 677 | if (hasSetLogFormat == 0) { |
| 678 | const char* logFormat = getenv("ANDROID_PRINTF_LOG"); |
| 679 | |
| 680 | if (logFormat != NULL) { |
| 681 | err = setLogFormat(logFormat); |
| 682 | |
| 683 | if (err < 0) { |
| 684 | fprintf(stderr, "invalid format in ANDROID_PRINTF_LOG '%s'\n", |
| 685 | logFormat); |
| 686 | } |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | if (forceFilters) { |
| 691 | err = android_log_addFilterString(g_logformat, forceFilters); |
| 692 | if (err < 0) { |
| 693 | fprintf (stderr, "Invalid filter expression in -logcat option\n"); |
| 694 | exit(0); |
| 695 | } |
| 696 | } else if (argc == optind) { |
| 697 | // Add from environment variable |
| 698 | char *env_tags_orig = getenv("ANDROID_LOG_TAGS"); |
| 699 | |
| 700 | if (env_tags_orig != NULL) { |
| 701 | err = android_log_addFilterString(g_logformat, env_tags_orig); |
| 702 | |
| 703 | if (err < 0) { |
| 704 | fprintf(stderr, "Invalid filter expression in" |
| 705 | " ANDROID_LOG_TAGS\n"); |
| 706 | android::show_help(argv[0]); |
| 707 | exit(-1); |
| 708 | } |
| 709 | } |
| 710 | } else { |
| 711 | // Add from commandline |
| 712 | for (int i = optind ; i < argc ; i++) { |
| 713 | err = android_log_addFilterString(g_logformat, argv[i]); |
| 714 | |
| 715 | if (err < 0) { |
| 716 | fprintf (stderr, "Invalid filter expression '%s'\n", argv[i]); |
| 717 | android::show_help(argv[0]); |
| 718 | exit(-1); |
| 719 | } |
| 720 | } |
| 721 | } |
| 722 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 723 | dev = devices; |
| 724 | while (dev) { |
| 725 | dev->fd = open(dev->device, mode); |
| 726 | if (dev->fd < 0) { |
| 727 | fprintf(stderr, "Unable to open log device '%s': %s\n", |
| 728 | dev->device, strerror(errno)); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 729 | exit(EXIT_FAILURE); |
| 730 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 731 | |
| 732 | if (clearLog) { |
| 733 | int ret; |
| 734 | ret = android::clearLog(dev->fd); |
| 735 | if (ret) { |
| 736 | perror("ioctl"); |
| 737 | exit(EXIT_FAILURE); |
| 738 | } |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | if (getLogSize) { |
| 742 | int size, readable; |
| 743 | |
| 744 | size = android::getLogSize(dev->fd); |
| 745 | if (size < 0) { |
| 746 | perror("ioctl"); |
| 747 | exit(EXIT_FAILURE); |
| 748 | } |
| 749 | |
| 750 | readable = android::getLogReadableSize(dev->fd); |
| 751 | if (readable < 0) { |
| 752 | perror("ioctl"); |
| 753 | exit(EXIT_FAILURE); |
| 754 | } |
| 755 | |
| 756 | printf("%s: ring buffer is %dKb (%dKb consumed), " |
| 757 | "max entry is %db, max payload is %db\n", dev->device, |
| 758 | size / 1024, readable / 1024, |
| 759 | (int) LOGGER_ENTRY_MAX_LEN, (int) LOGGER_ENTRY_MAX_PAYLOAD); |
| 760 | } |
| 761 | |
| 762 | dev = dev->next; |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | if (getLogSize) { |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 766 | return 0; |
| 767 | } |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 768 | if (clearLog) { |
| 769 | return 0; |
| 770 | } |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 771 | |
| 772 | //LOG_EVENT_INT(10, 12345); |
| 773 | //LOG_EVENT_LONG(11, 0x1122334455667788LL); |
| 774 | //LOG_EVENT_STRING(0, "whassup, doc?"); |
| 775 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 776 | if (needBinary) |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 777 | android::g_eventTagMap = android_openEventTagMap(EVENT_TAG_MAP_FILE); |
| 778 | |
Joe Onorato | 6fa09a0 | 2010-02-26 10:04:23 -0800 | [diff] [blame] | 779 | android::readLogLines(devices); |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 780 | |
| 781 | return 0; |
| 782 | } |