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snapraid/cmdline/snapraid.c
Andrea Mazzoleni 8713e6fa72 Allow to use the "smart" command while running
2015-01-25 15:34:46 +01:00

1178 lines
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/*
* Copyright (C) 2011 Andrea Mazzoleni
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "portable.h"
#include "snapraid.h"
#include "support.h"
#include "elem.h"
#include "import.h"
#include "search.h"
#include "state.h"
#include "raid/raid.h"
/****************************************************************************/
/* main */
void version(void)
{
printf(PACKAGE " v" VERSION " by Andrea Mazzoleni, " PACKAGE_URL "\n");
}
void usage(void)
{
version();
printf("Usage: " PACKAGE " status|diff|sync|scrub|list|dup|up|down|smart|pool|check|fix [options]\n");
printf("\n");
printf("Commands:\n");
printf(" status Print the status of the array\n");
printf(" diff Show the changes that needs to be syncronized\n");
printf(" sync Syncronize the state of the array\n");
printf(" scrub Scrub the array\n");
printf(" list List the array content\n");
printf(" dup Find duplicate files\n");
printf(" up Spinup the array\n");
printf(" down Spindown the array\n");
printf(" smart SMART attributes of the array\n");
printf(" pool Create or update the virtual view of the array\n");
printf(" check Check the array\n");
printf(" fix Fix the array\n");
printf("\n");
printf("Options:\n");
printf(" " SWITCH_GETOPT_LONG("-c, --conf FILE ", "-c") " Configuration file\n");
printf(" " SWITCH_GETOPT_LONG("-f, --filter PATTERN ", "-f") " Process only files matching the pattern\n");
printf(" " SWITCH_GETOPT_LONG("-d, --filter-disk NAME", "-f") " Process only files in the specified disk\n");
printf(" " SWITCH_GETOPT_LONG("-m, --filter-missing ", "-m") " Process only missing/deleted files\n");
printf(" " SWITCH_GETOPT_LONG("-e, --filter-error ", "-e") " Process only files with errors\n");
printf(" " SWITCH_GETOPT_LONG("-p, --percentage PERC ", "-p") " Process only a part of the array\n");
printf(" " SWITCH_GETOPT_LONG("-o, --older-than DAYS ", "-o") " Process only the older part of the array\n");
printf(" " SWITCH_GETOPT_LONG("-i, --import DIR ", "-i") " Import deleted files\n");
printf(" " SWITCH_GETOPT_LONG("-l, --log FILE ", "-l") " Log file. Default none\n");
printf(" " SWITCH_GETOPT_LONG("-a, --audit-only ", "-a") " Check only file data and not parity\n");
printf(" " SWITCH_GETOPT_LONG("-h, --pre-hash ", "-h") " Pre hash all the new data\n");
printf(" " SWITCH_GETOPT_LONG("-Z, --force-zero ", "-Z") " Force synching of files that get zero size\n");
printf(" " SWITCH_GETOPT_LONG("-E, --force-empty ", "-E") " Force synching of disks that get empty\n");
printf(" " SWITCH_GETOPT_LONG("-U, --force-uuid ", "-U") " Force commands on disks with uuid changed\n");
printf(" " SWITCH_GETOPT_LONG("-D, --force-device ", "-D") " Force commands on disks with same device id\n");
printf(" " SWITCH_GETOPT_LONG("-N, --force-nocopy ", "-N") " Force commands disabling the copy detection\n");
printf(" " SWITCH_GETOPT_LONG("-F, --force-full ", "-F") " Force commands requiring a full sync\n");
printf(" " SWITCH_GETOPT_LONG("-v, --verbose ", "-v") " Verbose\n");
}
void memory(void)
{
fprintf(stdlog, "memory:used:%" PRIu64 "\n", (uint64_t)malloc_counter());
printf("Using %u MiB of memory.\n", (unsigned)(malloc_counter() / 1024 / 1024));
}
/****************************************************************************/
/* log */
void log_open(const char* log)
{
char path[PATH_MAX];
const char* mode;
char text_T[32];
char text_D[32];
time_t t;
struct tm* tm;
/* if no log file is specified, don't output */
if (log == 0) {
#ifdef _WIN32
log = "NUL";
#else
log = "/dev/null";
#endif
}
t = time(0);
tm = localtime(&t);
if (tm) {
strftime(text_T, sizeof(text_T), "%H%M%S", tm);
strftime(text_D, sizeof(text_T), "%Y%m%d", tm);
} else {
/* LCOV_EXCL_START */
strcpy(text_T, "invalid");
strcpy(text_D, "invalid");
/* LCOV_EXCL_STOP */
}
/* file mode */
mode = "wt";
if (*log == '>') {
++log;
if (*log == '>') {
mode = "at";
++log;
}
if (log[0] == '&' && log[1] == '1') {
stdlog = stdout;
return;
}
if (log[0] == '&' && log[1] == '2') {
stdlog = stderr;
return;
}
}
/* process the path */
for (*path = 0; *log != 0; ) {
switch (*log) {
case '%' :
++log;
switch (*log) {
case '%' :
pathcatc(path, sizeof(path), '%');
break;
case 'T' :
pathcat(path, sizeof(path), text_T);
break;
case 'D' :
pathcat(path, sizeof(path), text_D);
break;
default :
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid type specifier '%c' in the log file.\n", *log);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
break;
default :
pathcatc(path, sizeof(path), *log);
break;
}
++log;
}
stdlog = fopen(path, mode);
if (!stdlog) {
/* LCOV_EXCL_START */
fprintf(stderr, "Error opening the log file '%s'. %s.\n", path, strerror(errno));
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
void log_close(const char* log)
{
if (stdlog != stdout && stdlog != stderr) {
if (fclose(stdlog) != 0) {
/* LCOV_EXCL_START */
fprintf(stderr, "Error closing the log file '%s'. %s.\n", log, strerror(errno));
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
}
/****************************************************************************/
/* config */
void config(char* conf, size_t conf_size, const char* argv0)
{
#ifdef _WIN32
char* slash;
pathimport(conf, conf_size, argv0);
slash = strrchr(conf, '/');
if (slash) {
slash[1] = 0;
pathcat(conf, conf_size, PACKAGE ".conf");
} else {
pathcpy(conf, conf_size, PACKAGE ".conf");
}
#else
(void)argv0;
pathcpy(conf, conf_size, "/etc/" PACKAGE ".conf");
#endif
}
/****************************************************************************/
/* main */
#define OPT_TEST_SKIP_SELF 256
#define OPT_TEST_KILL_AFTER_SYNC 257
#define OPT_TEST_EXPECT_UNRECOVERABLE 258
#define OPT_TEST_EXPECT_RECOVERABLE 259
#define OPT_TEST_SKIP_SIGN 260
#define OPT_TEST_SKIP_FALLOCATE 261
#define OPT_TEST_SKIP_DEVICE 262
#define OPT_TEST_SKIP_SEQUENTIAL 263
#define OPT_TEST_FORCE_MURMUR3 264
#define OPT_TEST_FORCE_SPOOKY2 265
#define OPT_TEST_SKIP_LOCK 266
#define OPT_TEST_FORCE_ORDER_PHYSICAL 267
#define OPT_TEST_FORCE_ORDER_INODE 268
#define OPT_TEST_FORCE_ORDER_ALPHA 269
#define OPT_TEST_FORCE_ORDER_DIR 270
#define OPT_TEST_FORCE_SCRUB_AT 271
#define OPT_TEST_FORCE_SCRUB_EVEN 272
#define OPT_TEST_FORCE_CONTENT_WRITE 273
#define OPT_TEST_FORCE_CONTENT_TEXT 274
#define OPT_TEST_SKIP_CONTENT_CHECK 275
#define OPT_TEST_SKIP_PARITY_ACCESS 276
#define OPT_TEST_EXPECT_FAILURE 277
#define OPT_TEST_RUN 278
#define OPT_TEST_FORCE_SCAN_WINFIND 279
#define OPT_TEST_IMPORT_CONTENT 280
#define OPT_TEST_FORCE_PROGRESS 281
#define OPT_TEST_SKIP_DISK_ACCESS 282
#define OPT_TEST_FORCE_AUTOSAVE_AT 283
#if HAVE_GETOPT_LONG
struct option long_options[] = {
{ "conf", 1, 0, 'c' },
{ "filter", 1, 0, 'f' },
{ "filter-disk", 1, 0, 'd' },
{ "filter-missing", 0, 0, 'm' },
{ "filter-error", 0, 0, 'e' },
{ "percentage", 1, 0, 'p' },
{ "older-than", 1, 0, 'o' },
{ "start", 1, 0, 'S' },
{ "count", 1, 0, 'B' },
{ "error-limit", 1, 0, 'L' },
{ "import", 1, 0, 'i' },
{ "log", 1, 0, 'l' },
{ "force-zero", 0, 0, 'Z' },
{ "force-empty", 0, 0, 'E' },
{ "force-uuid", 0, 0, 'U' },
{ "force-device", 0, 0, 'D' },
{ "force-nocopy", 0, 0, 'N' },
{ "force-full", 0, 0, 'F' },
{ "audit-only", 0, 0, 'a' },
{ "pre-hash", 0, 0, 'h' },
{ "speed-test", 0, 0, 'T' }, /* undocumented speed test command */
{ "gen-conf", 1, 0, 'C' },
{ "verbose", 0, 0, 'v' },
{ "quiet", 0, 0, 'q' }, /* undocumented quiet option */
{ "gui", 0, 0, 'G' }, /* undocumented GUI interface option */
{ "help", 0, 0, 'H' },
{ "version", 0, 0, 'V' },
/* The following are test specific options, DO NOT USE! */
/* After syncing, do not write the new content file */
{ "test-kill-after-sync", 0, 0, OPT_TEST_KILL_AFTER_SYNC },
/* Exit with failure if after check/fix there ARE NOT unrecoverable errors. */
{ "test-expect-unrecoverable", 0, 0, OPT_TEST_EXPECT_UNRECOVERABLE },
/* Exit with failure if after check/fix there ARE NOT recoverable errors. */
{ "test-expect-recoverable", 0, 0, OPT_TEST_EXPECT_RECOVERABLE },
/* Skip the initial self test */
{ "test-skip-self", 0, 0, OPT_TEST_SKIP_SELF },
/* Skip the initial sign check when reading the content file */
{ "test-skip-sign", 0, 0, OPT_TEST_SKIP_SIGN },
/* Skip the fallocate() when growing the parity files */
{ "test-skip-fallocate", 0, 0, OPT_TEST_SKIP_FALLOCATE },
/* Skip the sequential hint when reading files */
{ "test-skip-sequential", 0, 0, OPT_TEST_SKIP_SEQUENTIAL },
/* Skip the device check */
{ "test-skip-device", 0, 0, OPT_TEST_SKIP_DEVICE },
/* Force Murmur3 hash */
{ "test-force-murmur3", 0, 0, OPT_TEST_FORCE_MURMUR3 },
/* Force Spooky2 hash */
{ "test-force-spooky2", 0, 0, OPT_TEST_FORCE_SPOOKY2 },
/* Skip the use of lock file */
{ "test-skip-lock", 0, 0, OPT_TEST_SKIP_LOCK },
/* Force a sort order for files */
{ "test-force-order-physical", 0, 0, OPT_TEST_FORCE_ORDER_PHYSICAL },
{ "test-force-order-inode", 0, 0, OPT_TEST_FORCE_ORDER_INODE },
{ "test-force-order-alpha", 0, 0, OPT_TEST_FORCE_ORDER_ALPHA },
{ "test-force-order-dir", 0, 0, OPT_TEST_FORCE_ORDER_DIR },
/* Force scrub of the specified number of blocks */
{ "test-force-scrub-at", 1, 0, OPT_TEST_FORCE_SCRUB_AT },
/* Force scrub of all the even blocks. This is really for testing, don't try it */
{ "test-force-scrub-even", 0, 0, OPT_TEST_FORCE_SCRUB_EVEN },
/* Force write of the content file even if no modification is done */
{ "test-force-content-write", 0, 0, OPT_TEST_FORCE_CONTENT_WRITE },
/* Force the use of text content file */
{ "test-force-content-text", 0, 0, OPT_TEST_FORCE_CONTENT_TEXT },
/* Relax the checks done at the content file */
{ "test-skip-content-check", 0, 0, OPT_TEST_SKIP_CONTENT_CHECK },
/* Skip the parity access */
{ "test-skip-parity-access", 0, 0, OPT_TEST_SKIP_PARITY_ACCESS },
/* Exit generic failure */
{ "test-expect-failure", 0, 0, OPT_TEST_EXPECT_FAILURE },
/* Run some command after loading the state and before the command */
{ "test-run", 1, 0, OPT_TEST_RUN },
/* Use the FindFirst/Next approach in Windows to list files */
{ "test-force-scan-winfind", 0, 0, OPT_TEST_FORCE_SCAN_WINFIND },
/* Alternative import working by data */
{ "test-import-content", 1, 0, OPT_TEST_IMPORT_CONTENT },
/* Force immediate progress state update */
{ "test-force-progress", 0, 0, OPT_TEST_FORCE_PROGRESS },
/* Skip the disk access */
{ "test-skip-disk-access", 0, 0, OPT_TEST_SKIP_DISK_ACCESS },
/* Force autosave at the specified block */
{ "test-force-autosave-at", 1, 0, OPT_TEST_FORCE_AUTOSAVE_AT },
{ 0, 0, 0, 0 }
};
#endif
#define OPTIONS "c:f:d:mep:o:S:B:L:i:l:ZEUDNFahTC:vqHVG"
volatile int global_interrupt = 0;
/* LCOV_EXCL_START */
void signal_handler(int signal)
{
switch (signal) {
case SIGINT :
global_interrupt = 1;
break;
}
}
/* LCOV_EXCL_STOP */
#define OPERATION_DIFF 0
#define OPERATION_SYNC 1
#define OPERATION_CHECK 2
#define OPERATION_FIX 3
#define OPERATION_DRY 4
#define OPERATION_DUP 5
#define OPERATION_LIST 6
#define OPERATION_POOL 7
#define OPERATION_REHASH 8
#define OPERATION_SCRUB 9
#define OPERATION_STATUS 10
#define OPERATION_REWRITE 11
#define OPERATION_NANO 12
#define OPERATION_SPINUP 13
#define OPERATION_SPINDOWN 14
#define OPERATION_DEVICES 15
#define OPERATION_SMART 16
int main(int argc, char* argv[])
{
int c;
struct snapraid_option opt;
char conf[PATH_MAX];
struct snapraid_state state;
int operation;
block_off_t blockstart;
block_off_t blockcount;
int ret;
tommy_list filterlist_file;
tommy_list filterlist_disk;
int filter_missing;
int filter_error;
int percentage;
int olderthan;
char* e;
const char* command;
const char* import_timestamp;
const char* import_content;
const char* log;
int lock;
const char* gen_conf;
const char* run;
int speedtest;
int period;
time_t t;
struct tm* tm;
int i;
/* defaults */
config(conf, sizeof(conf), argv[0]);
memset(&opt, 0, sizeof(opt));
opt.io_error_limit = 100;
blockstart = 0;
blockcount = 0;
tommy_list_init(&filterlist_file);
tommy_list_init(&filterlist_disk);
period = 1000;
filter_missing = 0;
filter_error = 0;
percentage = -1;
olderthan = -1;
import_timestamp = 0;
import_content = 0;
log = 0;
lock = 0;
gen_conf = 0;
speedtest = 0;
run = 0;
opterr = 0;
while ((c =
#if HAVE_GETOPT_LONG
getopt_long(argc, argv, OPTIONS, long_options, 0))
#else
getopt(argc, argv, OPTIONS))
#endif
!= EOF) {
switch (c) {
case 'c' :
pathimport(conf, sizeof(conf), optarg);
break;
case 'f' : {
struct snapraid_filter* filter = filter_alloc_file(1, optarg);
if (!filter) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid filter specification '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
tommy_list_insert_tail(&filterlist_file, &filter->node, filter);
} break;
case 'd' : {
struct snapraid_filter* filter = filter_alloc_disk(1, optarg);
if (!filter) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid filter specification '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
tommy_list_insert_tail(&filterlist_disk, &filter->node, filter);
} break;
case 'm' :
filter_missing = 1;
break;
case 'e' :
/* when processing only error, we filter both files and blocks */
/* and we apply fixes only to synced ones */
filter_error = 1;
opt.badonly = 1;
opt.syncedonly = 1;
break;
case 'p' :
percentage = strtoul(optarg, &e, 10);
if (!e || *e || percentage > 100) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid percentage '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
break;
case 'o' :
olderthan = strtoul(optarg, &e, 10);
if (!e || *e || olderthan > 1000) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid number of days '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
break;
case 'S' :
blockstart = strtoul(optarg, &e, 0);
if (!e || *e) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid start position '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
break;
case 'B' :
blockcount = strtoul(optarg, &e, 0);
if (!e || *e) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid count number '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
break;
case 'L' :
opt.io_error_limit = strtoul(optarg, &e, 0);
if (!e || *e) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid error limit number '%s'\n", optarg);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
break;
case 'i' :
if (import_timestamp) {
/* LCOV_EXCL_START */
fprintf(stderr, "Import directory '%s' already specified as '%s'\n", optarg, import_timestamp);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
import_timestamp = optarg;
break;
case OPT_TEST_IMPORT_CONTENT :
if (import_content) {
/* LCOV_EXCL_START */
fprintf(stderr, "Import directory '%s' already specified as '%s'\n", optarg, import_content);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
import_content = optarg;
break;
case 'l' :
if (log) {
/* LCOV_EXCL_START */
fprintf(stderr, "Log file '%s' already specified as '%s'\n", optarg, log);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
log = optarg;
break;
case 'Z' :
opt.force_zero = 1;
break;
case 'E' :
opt.force_empty = 1;
break;
case 'U' :
opt.force_uuid = 1;
break;
case 'D' :
opt.force_device = 1;
break;
case 'N' :
opt.force_nocopy = 1;
break;
case 'F' :
opt.force_full = 1;
break;
case 'a' :
opt.auditonly = 1;
break;
case 'h' :
opt.prehash = 1;
break;
case 'v' :
opt.verbose = 1;
break;
case 'q' :
opt.quiet = 1;
break;
case 'G' :
opt.gui = 1;
break;
case 'H' :
usage();
exit(EXIT_SUCCESS);
case 'V' :
version();
exit(EXIT_SUCCESS);
case 'T' :
speedtest = 1;
break;
case 'C' :
gen_conf = optarg;
break;
case OPT_TEST_KILL_AFTER_SYNC :
opt.kill_after_sync = 1;
break;
case OPT_TEST_EXPECT_UNRECOVERABLE :
opt.expect_unrecoverable = 1;
break;
case OPT_TEST_EXPECT_RECOVERABLE :
opt.expect_recoverable = 1;
break;
case OPT_TEST_SKIP_SELF :
opt.skip_self = 1;
break;
case OPT_TEST_SKIP_SIGN :
opt.skip_sign = 1;
break;
case OPT_TEST_SKIP_FALLOCATE :
opt.skip_fallocate = 1;
break;
case OPT_TEST_SKIP_SEQUENTIAL :
opt.skip_sequential = 1;
break;
case OPT_TEST_SKIP_DEVICE :
opt.skip_device = 1;
period = 50; /* reduce period of the speed test */
break;
case OPT_TEST_SKIP_CONTENT_CHECK :
opt.skip_content_check = 1;
break;
case OPT_TEST_SKIP_PARITY_ACCESS :
opt.skip_parity_access = 1;
break;
case OPT_TEST_SKIP_DISK_ACCESS :
opt.skip_disk_access = 1;
break;
case OPT_TEST_FORCE_MURMUR3 :
opt.force_murmur3 = 1;
break;
case OPT_TEST_FORCE_SPOOKY2 :
opt.force_spooky2 = 1;
break;
case OPT_TEST_SKIP_LOCK :
opt.skip_lock = 1;
break;
case OPT_TEST_FORCE_ORDER_PHYSICAL :
opt.force_order = SORT_PHYSICAL;
break;
case OPT_TEST_FORCE_ORDER_INODE :
opt.force_order = SORT_INODE;
break;
case OPT_TEST_FORCE_ORDER_ALPHA :
opt.force_order = SORT_ALPHA;
break;
case OPT_TEST_FORCE_ORDER_DIR :
opt.force_order = SORT_DIR;
break;
case OPT_TEST_FORCE_SCRUB_AT :
opt.force_scrub_at = atoi(optarg);
break;
case OPT_TEST_FORCE_SCRUB_EVEN :
opt.force_scrub_even = 1;
break;
case OPT_TEST_FORCE_CONTENT_WRITE :
opt.force_content_write = 1;
break;
case OPT_TEST_FORCE_CONTENT_TEXT :
opt.force_content_text = 1;
break;
case OPT_TEST_EXPECT_FAILURE :
/* invert the exit code */
exit_success = 1;
exit_failure = 0;
break;
case OPT_TEST_RUN :
run = optarg;
break;
case OPT_TEST_FORCE_SCAN_WINFIND :
opt.force_scan_winfind = 1;
break;
case OPT_TEST_FORCE_PROGRESS :
opt.force_progress = 1;
break;
case OPT_TEST_FORCE_AUTOSAVE_AT :
opt.force_autosave_at = atoi(optarg);
break;
default :
/* LCOV_EXCL_START */
fprintf(stderr, "Unknown option '%c'\n", (char)c);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
os_init(opt.force_scan_winfind);
raid_init();
crc32c_init();
if (speedtest != 0) {
speed(period);
os_done();
exit(EXIT_SUCCESS);
}
if (gen_conf != 0) {
generate_configuration(gen_conf);
os_done();
exit(EXIT_SUCCESS);
}
if (optind + 1 != argc) {
/* LCOV_EXCL_START */
usage();
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
command = argv[optind];
if (strcmp(command, "diff") == 0) {
operation = OPERATION_DIFF;
} else if (strcmp(argv[optind], "sync") == 0) {
operation = OPERATION_SYNC;
} else if (strcmp(argv[optind], "check") == 0) {
operation = OPERATION_CHECK;
} else if (strcmp(argv[optind], "fix") == 0) {
operation = OPERATION_FIX;
} else if (strcmp(argv[optind], "test-dry") == 0) {
operation = OPERATION_DRY;
} else if (strcmp(argv[optind], "dup") == 0) {
operation = OPERATION_DUP;
} else if (strcmp(argv[optind], "list") == 0) {
operation = OPERATION_LIST;
} else if (strcmp(argv[optind], "pool") == 0) {
operation = OPERATION_POOL;
} else if (strcmp(argv[optind], "rehash") == 0) {
operation = OPERATION_REHASH;
} else if (strcmp(argv[optind], "scrub") == 0) {
operation = OPERATION_SCRUB;
} else if (strcmp(argv[optind], "status") == 0) {
operation = OPERATION_STATUS;
} else if (strcmp(argv[optind], "test-rewrite") == 0) {
operation = OPERATION_REWRITE;
} else if (strcmp(argv[optind], "test-nano") == 0) {
operation = OPERATION_NANO;
} else if (strcmp(argv[optind], "up") == 0) {
operation = OPERATION_SPINUP;
} else if (strcmp(argv[optind], "down") == 0) {
operation = OPERATION_SPINDOWN;
} else if (strcmp(argv[optind], "test-devices") == 0) {
operation = OPERATION_DEVICES;
} else if (strcmp(argv[optind], "smart") == 0) {
operation = OPERATION_SMART;
} else {
/* LCOV_EXCL_START */
fprintf(stderr, "Unknown command '%s'\n", argv[optind]);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
/* check options compatibility */
switch (operation) {
case OPERATION_CHECK :
break;
default :
if (opt.auditonly) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -a, --audit-only with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
switch (operation) {
case OPERATION_SYNC :
case OPERATION_CHECK :
case OPERATION_FIX :
break;
default :
if (opt.force_nocopy) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -N, --force-nocopy with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
switch (operation) {
case OPERATION_SYNC :
break;
default :
if (opt.prehash) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -h, --pre-hash with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
if (opt.force_full) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -G, --force-full with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
if (opt.force_full && opt.force_nocopy) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use the -F, --force-full and -N, --force-nocopy options at the same time\n");
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
if (opt.prehash && opt.force_nocopy) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use the -h, --pre-hash and -N, --force-nocopy options at the same time\n");
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
switch (operation) {
case OPERATION_CHECK :
case OPERATION_FIX :
case OPERATION_DRY :
break;
default :
if (!tommy_list_empty(&filterlist_file)) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -f, --filter with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
if (!tommy_list_empty(&filterlist_disk)) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -d, --filter-disk with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
if (filter_missing != 0) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -m, --filter-missing with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
if (filter_error != 0) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot use -e, --filter-error with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
switch (operation) {
case OPERATION_CHECK :
case OPERATION_FIX :
break;
default :
if (import_timestamp != 0 || import_content != 0) {
/* LCOV_EXCL_START */
fprintf(stderr, "You cannot import with the '%s' command\n", command);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
switch (operation) {
case OPERATION_LIST :
case OPERATION_DUP :
case OPERATION_STATUS :
case OPERATION_REWRITE :
case OPERATION_REHASH :
case OPERATION_SPINUP : /* we want to do it in different threads to avoid blocking */
/* avoid to check and access data disks if not needed */
opt.skip_disk_access = 1;
break;
}
switch (operation) {
case OPERATION_DIFF :
case OPERATION_LIST :
case OPERATION_DUP :
case OPERATION_POOL :
case OPERATION_STATUS :
case OPERATION_REWRITE :
case OPERATION_REHASH :
case OPERATION_NANO :
case OPERATION_SPINUP : /* we want to do it in different threads to avoid blocking */
/* avoid to check and access parity disks if not needed */
opt.skip_parity_access = 1;
break;
}
switch (operation) {
case OPERATION_DIFF :
case OPERATION_LIST :
case OPERATION_DUP :
case OPERATION_POOL :
case OPERATION_NANO :
case OPERATION_SPINUP :
case OPERATION_SPINDOWN :
case OPERATION_DEVICES :
case OPERATION_SMART :
opt.skip_self = 1;
break;
}
switch (operation) {
case OPERATION_SMART :
/* we can use this command to check the SMART status during operations */
opt.skip_lock = 1;
break;
}
/* open the log file */
log_open(log);
/* print generic info into the log */
t = time(0);
tm = localtime(&t);
fprintf(stdlog, "version:%s\n", PACKAGE_VERSION);
fprintf(stdlog, "unixtime:%" PRIi64 "\n", (int64_t)t);
if (tm) {
char datetime[64];
strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", tm);
fprintf(stdlog, "time:%s\n", datetime);
}
fprintf(stdlog, "command:%s\n", command);
for (i = 0; i < argc; ++i)
fprintf(stdlog, "argv:%u:%s\n", i, argv[i]);
fflush(stdlog);
if (!opt.skip_self)
selftest();
state_init(&state);
/* read the configuration file */
state_config(&state, conf, command, &opt, &filterlist_disk);
/* set the raid mode */
raid_mode(state.raid_mode);
#if HAVE_LOCKFILE
/* create the lock file */
if (!opt.skip_lock) {
lock = lock_lock(state.lockfile);
if (lock == -1) {
/* LCOV_EXCL_START */
if (errno != EWOULDBLOCK) {
fprintf(stderr, "Error creating the lock file '%s'. %s.\n", state.lockfile, strerror(errno));
} else {
fprintf(stderr, "The lock file '%s' is already locked!\n", state.lockfile);
fprintf(stderr, "SnapRAID is already in use!\n");
}
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
#else
(void)lock;
#endif
if (operation == OPERATION_DIFF) {
state_read(&state);
state_scan(&state, 1);
} else if (operation == OPERATION_SYNC) {
/* in the next state read ensures to clear all the past hashes in case */
/* we are reading from an incomplete sync */
/* The undeterminated hash are only for CHG/DELETED blocks for which we don't */
/* know if the previous interrupted sync was able to update or not the parity */
/* The sync process instead needs to trust this information because it's used */
/* to avoid to recompute the parity if all the input are equals as before. */
state.clear_past_hash = 1;
state_read(&state);
state_scan(&state, 0);
/* refresh the size info before the content write */
state_refresh(&state);
memory();
/* intercept Ctrl+C */
signal(SIGINT, &signal_handler);
/* save the new state before the sync */
/* this allow to recover the case of the changes in the array after an aborted sync. */
/* for example, think at this case: */
/* - add some files at the array */
/* - run a sync command, it will recompute the parity adding the new files */
/* - abort the sync command before it stores the new content file */
/* - delete the not yet synced files from the array */
/* - run a new sync command */
/* the new sync command has now way to know that the parity file was modified */
/* because the files triggering these changes are now deleted */
/* and they aren't listed in the content file */
if (state.need_write)
state_write(&state);
/* run a test command if required */
if (run != 0) {
ret = system(run); /* ignore error */
if (ret != 0) {
/* LCOV_EXCL_START */
fprintf(stderr, "Error in running command '%s'.\n", run);
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
/* waits some time to ensure that any concurrent modification done at the files, */
/* using the same mtime read by the scan process, will be read by sync. */
/* Note that any later modification done, potentially not read by sync, will have */
/* a different mtime, and it will be syncronized at the next sync. */
/* The worst case is the FAT filesystem with a two seconds resolution for mtime. */
/* If you don't use FAT, the wait is not needed, because most filesystems have now */
/* at least microseconds resolution, but better to be safe. */
if (!opt.skip_self)
sleep(2);
ret = state_sync(&state, blockstart, blockcount);
/* save the new state if required */
if (!opt.kill_after_sync && (state.need_write || state.opt.force_content_write))
state_write(&state);
/* abort if required */
if (ret != 0) {
/* LCOV_EXCL_START */
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
} else if (operation == OPERATION_DRY) {
state_read(&state);
/* apply the command line filter */
state_filter(&state, &filterlist_file, &filterlist_disk, filter_missing, filter_error);
memory();
/* intercept Ctrl+C */
signal(SIGINT, &signal_handler);
state_dry(&state, blockstart, blockcount);
} else if (operation == OPERATION_REHASH) {
state_read(&state);
/* intercept Ctrl+C */
signal(SIGINT, &signal_handler);
state_rehash(&state);
/* save the new state if required */
if (state.need_write)
state_write(&state);
} else if (operation == OPERATION_SCRUB) {
state_read(&state);
memory();
/* intercept Ctrl+C */
signal(SIGINT, &signal_handler);
ret = state_scrub(&state, percentage, olderthan);
/* save the new state if required */
if (state.need_write || state.opt.force_content_write)
state_write(&state);
/* abort if required */
if (ret != 0) {
/* LCOV_EXCL_START */
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
} else if (operation == OPERATION_REWRITE) {
state_read(&state);
state_write(&state);
memory();
} else if (operation == OPERATION_NANO) {
state_read(&state);
state_nano(&state);
state_write(&state);
memory();
} else if (operation == OPERATION_SPINUP) {
state_device(&state, DEVICE_UP);
} else if (operation == OPERATION_SPINDOWN) {
state_device(&state, DEVICE_DOWN);
} else if (operation == OPERATION_DEVICES) {
state_device(&state, DEVICE_LIST);
} else if (operation == OPERATION_SMART) {
state_device(&state, DEVICE_SMART);
} else if (operation == OPERATION_STATUS) {
state_read(&state);
memory();
state_status(&state);
} else if (operation == OPERATION_DUP) {
state_read(&state);
state_dup(&state);
} else if (operation == OPERATION_LIST) {
state_read(&state);
state_list(&state);
} else if (operation == OPERATION_POOL) {
state_read(&state);
state_pool(&state);
} else {
state_read(&state);
/* if we are also trying to recover */
if (!state.opt.auditonly) {
/* import the user specified dirs */
if (import_timestamp != 0)
state_search(&state, import_timestamp);
if (import_content != 0)
state_import(&state, import_content);
/* import from all the array */
if (!state.opt.force_nocopy)
state_search_array(&state);
}
/* apply the command line filter */
state_filter(&state, &filterlist_file, &filterlist_disk, filter_missing, filter_error);
memory();
/* intercept Ctrl+C */
signal(SIGINT, &signal_handler);
if (operation == OPERATION_CHECK) {
ret = state_check(&state, 0, blockstart, blockcount);
} else { /* it's fix */
ret = state_check(&state, 1, blockstart, blockcount);
}
/* abort if required */
if (ret != 0) {
/* LCOV_EXCL_START */
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
/* close log file */
log_close(log);
#if HAVE_LOCKFILE
if (!opt.skip_lock) {
if (lock_unlock(lock) == -1) {
/* LCOV_EXCL_START */
fprintf(stderr, "Error closing the lock file '%s'. %s.\n", state.lockfile, strerror(errno));
exit(EXIT_FAILURE);
/* LCOV_EXCL_STOP */
}
}
#endif
state_done(&state);
tommy_list_foreach(&filterlist_file, (tommy_foreach_func*)filter_free);
tommy_list_foreach(&filterlist_disk, (tommy_foreach_func*)filter_free);
os_done();
return EXIT_SUCCESS;
}
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