int
main(void)
{
int ret;
{
/*! [Open a connection] */
WT_CONNECTION *conn;
const char *home = "WT_TEST";
ret = wiredtiger_open(home, NULL, "create,transactional", &conn);
/*! [Open a connection] */
(void)conn->close(conn, NULL);
}
/*! [Get the WiredTiger library version #1] */
printf("WiredTiger version %s\n", wiredtiger_version(NULL, NULL, NULL));
/*! [Get the WiredTiger library version #1] */
{
/*! [Get the WiredTiger library version #2] */
int major, minor, patch;
(void)wiredtiger_version(&major, &minor, &patch);
printf("WiredTiger version is %d, %d (patch %d)\n",
major, minor, patch);
/*! [Get the WiredTiger library version #2] */
}
return (ret);
}
const std::string WiredTigerEngine::Stats()
{
std::string info;
int major_v, minor_v, patch;
(void) wiredtiger_version(&major_v, &minor_v, &patch);
info.append("WiredTiger version:").append(stringfromll(major_v)).append(".").append(stringfromll(minor_v)).append(
".").append(stringfromll(patch)).append("\r\n");
info.append("WiredTiger Init Options:").append(m_cfg.init_options).append("\r\n");
info.append("WiredTiger Table Init Options:").append(m_cfg.init_table_options).append("\r\n");
ContextHolder& holder = m_context.GetValue();
WT_SESSION* session = holder.session;
if (NULL == session)
{
return info;
}
WT_CURSOR *cursor;
int ret;
/*! [statistics database function] */
if ((ret = session->open_cursor(session, "statistics:", NULL, NULL, &cursor)) == 0)
{
print_cursor(cursor, info);
cursor->close(cursor);
}
if ((ret = session->open_cursor(session, "statistics:table:ardb", NULL, NULL, &cursor)) == 0)
{
print_cursor(cursor, info);
cursor->close(cursor);
}
return info;
}
/*
* __wt_turtle_update --
* Update the turtle file.
*/
int
__wt_turtle_update(WT_SESSION_IMPL *session, const char *key, const char *value)
{
WT_FSTREAM *fs;
WT_DECL_RET;
int vmajor, vminor, vpatch;
const char *version;
fs = NULL;
/*
* Create the turtle setup file: we currently re-write it from scratch
* every time.
*/
WT_RET(__wt_fopen(session, WT_METADATA_TURTLE_SET,
WT_FS_OPEN_CREATE | WT_FS_OPEN_EXCLUSIVE, WT_STREAM_WRITE, &fs));
version = wiredtiger_version(&vmajor, &vminor, &vpatch);
WT_ERR(__wt_fprintf(session, fs,
"%s\n%s\n%s\n" "major=%d,minor=%d,patch=%d\n%s\n%s\n",
WT_METADATA_VERSION_STR, version,
WT_METADATA_VERSION, vmajor, vminor, vpatch,
key, value));
/* Flush the stream and rename the file into place. */
ret = __wt_sync_and_rename(
session, &fs, WT_METADATA_TURTLE_SET, WT_METADATA_TURTLE);
/* Close any file handle left open, remove any temporary file. */
err: WT_TRET(__wt_fclose(session, &fs));
WT_TRET(__wt_remove_if_exists(session, WT_METADATA_TURTLE_SET, false));
return (ret);
}
/*
* dump_prefix --
* Output the dump file header prefix.
*/
static int
dump_prefix(WT_SESSION *session, int hex)
{
int vmajor, vminor, vpatch;
(void)wiredtiger_version(&vmajor, &vminor, &vpatch);
if (printf(
"WiredTiger Dump (WiredTiger Version %d.%d.%d)\n",
vmajor, vminor, vpatch) < 0 ||
printf("Format=%s\n", hex ? "hex" : "print") < 0 ||
printf("Header\n") < 0)
return (util_err(session, EIO, NULL));
return (0);
}
/*
* __wt_turtle_update --
* Update the turtle file.
*/
int
__wt_turtle_update(
WT_SESSION_IMPL *session, const char *key, const char *value)
{
FILE *fp;
WT_DECL_RET;
int vmajor, vminor, vpatch;
const char *version;
char *path;
fp = NULL;
path = NULL;
/*
* Create the turtle setup file: we currently re-write it from scratch
* every time.
*/
WT_RET(__wt_filename(session, WT_METADATA_TURTLE_SET, &path));
if ((fp = fopen(path, "w")) == NULL)
ret = __wt_errno();
__wt_free(session, path);
if (fp == NULL)
return (ret);
version = wiredtiger_version(&vmajor, &vminor, &vpatch);
WT_ERR_TEST((fprintf(fp,
"%s\n%s\n%s\n" "major=%d,minor=%d,patch=%d\n%s\n%s\n",
WT_METADATA_VERSION_STR, version,
WT_METADATA_VERSION, vmajor, vminor, vpatch,
key, value) < 0), __wt_errno());
ret = fclose(fp);
fp = NULL;
WT_ERR_TEST(ret == EOF, __wt_errno());
WT_ERR(
__wt_rename(session, WT_METADATA_TURTLE_SET, WT_METADATA_TURTLE));
if (0) {
err: WT_TRET(__wt_remove(session, WT_METADATA_TURTLE_SET));
}
if (fp != NULL)
WT_TRET(fclose(fp) == 0 ? 0 : __wt_errno());
return (ret);
}
/*
* dump_prefix --
* Output the dump file header prefix.
*/
static int
dump_prefix(WT_SESSION *session, bool hex, bool json)
{
int vmajor, vminor, vpatch;
(void)wiredtiger_version(&vmajor, &vminor, &vpatch);
if (!json && (printf(
"WiredTiger Dump (WiredTiger Version %d.%d.%d)\n",
vmajor, vminor, vpatch) < 0 ||
printf("Format=%s\n", hex ? "hex" : "print") < 0 ||
printf("Header\n") < 0))
return (util_err(session, EIO, NULL));
else if (json && printf(
" \"%s\" : \"%d (%d.%d.%d)\",\n",
DUMP_JSON_VERSION_MARKER, DUMP_JSON_CURRENT_VERSION,
vmajor, vminor, vpatch) < 0)
return (util_err(session, EIO, NULL));
return (0);
}
/*
* __wt_turtle_update --
* Update the turtle file.
*/
int
__wt_turtle_update(
WT_SESSION_IMPL *session, const char *key, const char *value)
{
WT_FH *fh;
WT_DECL_ITEM(buf);
WT_DECL_RET;
int vmajor, vminor, vpatch;
const char *version;
fh = NULL;
/*
* Create the turtle setup file: we currently re-write it from scratch
* every time.
*/
WT_RET(__wt_open(
session, WT_METADATA_TURTLE_SET, 1, 1, WT_FILE_TYPE_TURTLE, &fh));
version = wiredtiger_version(&vmajor, &vminor, &vpatch);
WT_ERR(__wt_scr_alloc(session, 2 * 1024, &buf));
WT_ERR(__wt_buf_fmt(session, buf,
"%s\n%s\n%s\n" "major=%d,minor=%d,patch=%d\n%s\n%s\n",
WT_METADATA_VERSION_STR, version,
WT_METADATA_VERSION, vmajor, vminor, vpatch,
key, value));
WT_ERR(__wt_write(session, fh, 0, buf->size, buf->data));
/* Flush the handle and rename the file into place. */
ret = __wt_sync_and_rename_fh(
session, &fh, WT_METADATA_TURTLE_SET, WT_METADATA_TURTLE);
/* Close any file handle left open, remove any temporary file. */
err: WT_TRET(__wt_close(session, &fh));
WT_TRET(__wt_remove_if_exists(session, WT_METADATA_TURTLE_SET));
__wt_scr_free(session, &buf);
return (ret);
}
int
main(void)
{
WT_CONNECTION *conn;
int ret;
/*! [Open a connection] */
ret = wiredtiger_open(home, NULL, "create,cache_size=500M", &conn);
/*! [Open a connection] */
if (ret == 0)
connection_ops(conn);
/*
* The connection has been closed.
*/
#ifdef MIGHT_NOT_RUN
/*
* This example code gets run, and the compression libraries might not
* be installed, causing the open to fail. The documentation requires
* the code snippets, use #ifdef's to avoid running it.
*/
/*! [Configure bzip2 extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_bzip2.so]", &conn);
/*! [Configure bzip2 extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure snappy extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_snappy.so]", &conn);
/*! [Configure snappy extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure zlib extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_zlib.so]", &conn);
/*! [Configure zlib extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*
* This example code gets run, and direct I/O might not be available,
* causing the open to fail. The documentation requires code snippets,
* use #ifdef's to avoid running it.
*/
/* Might Not Run: direct I/O may not be available. */
/*! [Configure direct_io for data files] */
ret = wiredtiger_open(home, NULL, "create,direct_io=[data]", &conn);
/*! [Configure direct_io for data files] */
if (ret == 0)
(void)conn->close(conn, NULL);
#endif
/*! [Configure file_extend] */
ret = wiredtiger_open(
home, NULL, "create,file_extend=(data=16MB)", &conn);
/*! [Configure file_extend] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Statistics configuration] */
ret = wiredtiger_open(home, NULL, "create,statistics=(all)", &conn);
/*! [Statistics configuration] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Statistics logging] */
ret = wiredtiger_open(
home, NULL, "create,statistics_log=(wait=30)", &conn);
/*! [Statistics logging] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Statistics logging with a table] */
ret = wiredtiger_open(home, NULL,
"create,"
"statistics_log=(sources=(\"table:table1\",\"table:table2\"))",
&conn);
/*! [Statistics logging with a table] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Statistics logging with all tables] */
ret = wiredtiger_open(home, NULL,
"create,statistics_log=(sources=(\"table:\"))",
&conn);
/*! [Statistics logging with all tables] */
if (ret == 0)
(void)conn->close(conn, NULL);
#ifdef MIGHT_NOT_RUN
/*
* This example code gets run, and a non-existent log file path might
* cause the open to fail. The documentation requires code snippets,
* use #ifdef's to avoid running it.
*/
/*! [Statistics logging with path] */
ret = wiredtiger_open(home, NULL,
"create,"
"statistics_log=(wait=120,path=/log/log.%m.%d.%y)", &conn);
/*! [Statistics logging with path] */
if (ret == 0)
(void)conn->close(conn, NULL);
#endif
/*! [Get the WiredTiger library version #1] */
printf("WiredTiger version %s\n", wiredtiger_version(NULL, NULL, NULL));
/*! [Get the WiredTiger library version #1] */
{
/*! [Get the WiredTiger library version #2] */
int major, minor, patch;
(void)wiredtiger_version(&major, &minor, &patch);
printf("WiredTiger version is %d, %d (patch %d)\n",
major, minor, patch);
/*! [Get the WiredTiger library version #2] */
}
return (ret);
}
int
main(void)
{
WT_CONNECTION *conn;
int ret;
/*
* Create a clean test directory for this run of the test program if the
* environment variable isn't already set (as is done by make check).
*/
if (getenv("WIREDTIGER_HOME") == NULL) {
home = "WT_HOME";
ret = system("rm -rf WT_HOME && mkdir WT_HOME");
} else
home = NULL;
/*! [Open a connection] */
ret = wiredtiger_open(home, NULL,
"create,cache_size=5GB,log=(enabled,recover=on)", &conn);
/*! [Open a connection] */
if (ret == 0)
ret = connection_ops(conn);
/*
* The connection has been closed.
*/
#ifdef MIGHT_NOT_RUN
/*
* This example code gets run, and the compression libraries might not
* be installed, causing the open to fail. The documentation requires
* the code snippets, use #ifdef's to avoid running it.
*/
/*! [Configure lz4 extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_lz4.so]", &conn);
/*! [Configure lz4 extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure snappy extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_snappy.so]", &conn);
/*! [Configure snappy extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure zlib extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_zlib.so]", &conn);
/*! [Configure zlib extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure zlib extension with compression level] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/"
"libwiredtiger_zlib.so=[config=[compression_level=3]]]", &conn);
/*! [Configure zlib extension with compression level] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure zstd extension] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_zstd.so]", &conn);
/*! [Configure zstd extension] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*! [Configure zstd extension with compression level] */
ret = wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/"
"libwiredtiger_zstd.so=[config=[compression_level=9]]]", &conn);
/*! [Configure zstd extension with compression level] */
if (ret == 0)
(void)conn->close(conn, NULL);
/*
* This example code gets run, and direct I/O might not be available,
* causing the open to fail. The documentation requires code snippets,
* use #ifdef's to avoid running it.
*/
/* Might Not Run: direct I/O may not be available. */
/*! [Configure direct_io for data files] */
ret = wiredtiger_open(home, NULL, "create,direct_io=[data]", &conn);
/*! [Configure direct_io for data files] */
if (ret == 0)
(void)conn->close(conn, NULL);
#endif
/*! [Configure file_extend] */
ret = wiredtiger_open(
home, NULL, "create,file_extend=(data=16MB)", &conn);
/*! [Configure file_extend] */
if (ret == 0)
ret = conn->close(conn, NULL);
/*! [Eviction configuration] */
/*
* Configure eviction to begin at 90% full, and run until the cache
* is only 75% dirty.
*/
ret = wiredtiger_open(home, NULL,
"create,eviction_trigger=90,eviction_dirty_target=75", &conn);
/*! [Eviction configuration] */
if (ret == 0)
ret = conn->close(conn, NULL);
/*! [Eviction worker configuration] */
/* Configure up to four eviction threads */
ret = wiredtiger_open(home, NULL,
"create,eviction_trigger=90,eviction=(threads_max=4)", &conn);
/*! [Eviction worker configuration] */
if (ret == 0)
ret = conn->close(conn, NULL);
/*! [Statistics configuration] */
ret = wiredtiger_open(home, NULL, "create,statistics=(all)", &conn);
/*! [Statistics configuration] */
if (ret == 0)
ret = conn->close(conn, NULL);
/*! [Statistics logging] */
ret = wiredtiger_open(
home, NULL, "create,statistics_log=(wait=30)", &conn);
/*! [Statistics logging] */
if (ret == 0)
ret = conn->close(conn, NULL);
#ifdef MIGHT_NOT_RUN
/*
* Don't run this code, statistics logging doesn't yet support tables.
*/
/*! [Statistics logging with a table] */
ret = wiredtiger_open(home, NULL,
"create, statistics_log=("
"sources=(\"table:table1\",\"table:table2\"), wait=5)",
&conn);
/*! [Statistics logging with a table] */
if (ret == 0)
ret = conn->close(conn, NULL);
/*
* Don't run this code, statistics logging doesn't yet support indexes.
*/
/*! [Statistics logging with a source type] */
ret = wiredtiger_open(home, NULL,
"create, statistics_log=(sources=(\"index:\"), wait=5)",
&conn);
/*! [Statistics logging with a source type] */
if (ret == 0)
ret = conn->close(conn, NULL);
/*
* Don't run this code, because memory checkers get very upset when we
* leak memory.
*/
(void)wiredtiger_open(home, NULL, "create", &conn);
/*! [Connection close leaking memory] */
ret = conn->close(conn, "leak_memory=true");
/*! [Connection close leaking memory] */
#endif
/*! [Get the WiredTiger library version #1] */
printf("WiredTiger version %s\n", wiredtiger_version(NULL, NULL, NULL));
/*! [Get the WiredTiger library version #1] */
{
/*! [Get the WiredTiger library version #2] */
int major_v, minor_v, patch;
(void)wiredtiger_version(&major_v, &minor_v, &patch);
printf("WiredTiger version is %d, %d (patch %d)\n",
major_v, minor_v, patch);
/*! [Get the WiredTiger library version #2] */
}
return (ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
/*
* __conn_single --
* Confirm that no other thread of control is using this database.
*/
static int
__conn_single(WT_SESSION_IMPL *session, const char **cfg)
{
WT_CONFIG_ITEM cval;
WT_CONNECTION_IMPL *conn, *t;
WT_DECL_RET;
off_t size;
uint32_t len;
int created;
char buf[256];
conn = S2C(session);
/*
* Optionally create the wiredtiger flag file if it doesn't already
* exist. We don't actually care if we create it or not, the "am I the
* only locker" tests are all that matter.
*/
WT_RET(__wt_config_gets(session, cfg, "create", &cval));
WT_RET(__wt_open(session,
WT_SINGLETHREAD, cval.val == 0 ? 0 : 1, 0, 0, &conn->lock_fh));
/*
* Lock a byte of the file: if we don't get the lock, some other process
* is holding it, we're done. Note the file may be zero-length length,
* and that's OK, the underlying call supports acquisition of locks past
* the end-of-file.
*/
if (__wt_bytelock(conn->lock_fh, (off_t)0, 1) != 0)
WT_ERR_MSG(session, EBUSY, "%s",
"WiredTiger database is already being managed by another "
"process");
/* Check to see if another thread of control has this database open. */
__wt_spin_lock(session, &__wt_process.spinlock);
TAILQ_FOREACH(t, &__wt_process.connqh, q)
if (t->home != NULL &&
t != conn && strcmp(t->home, conn->home) == 0) {
ret = EBUSY;
break;
}
__wt_spin_unlock(session, &__wt_process.spinlock);
if (ret != 0)
WT_ERR_MSG(session, EBUSY, "%s",
"WiredTiger database is already being managed by another "
"thread in this process");
/*
* If the size of the file is 0, we created it (or we're racing with
* the thread that created it, it doesn't matter), write some bytes
* into the file. Strictly speaking, this isn't even necessary, but
* zero-length files always make me nervous.
*/
WT_ERR(__wt_filesize(session, conn->lock_fh, &size));
if (size == 0) {
len = (uint32_t)snprintf(buf, sizeof(buf), "%s\n%s\n",
WT_SINGLETHREAD, wiredtiger_version(NULL, NULL, NULL));
WT_ERR(__wt_write(
session, conn->lock_fh, (off_t)0, (uint32_t)len, buf));
created = 1;
} else
created = 0;
/*
* If we found a zero-length WiredTiger lock file, and eventually ended
* as the database owner, return that we created the database. (There
* is a theoretical chance that another process created the WiredTiger
* lock file but we won the race to add the WT_CONNECTION_IMPL structure
* to the process' list. It doesn't much matter, only one thread will
* be told it created the database.)
*/
conn->is_new = created;
return (0);
err: if (conn->lock_fh != NULL) {
WT_TRET(__wt_close(session, conn->lock_fh));
conn->lock_fh = NULL;
}
return (ret);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
WT_DECL_RET;
WT_SESSION *session;
size_t len;
int ch, major_v, minor_v, tret, (*func)(WT_SESSION *, int, char *[]);
const char *cmd_config, *config, *p1, *p2, *p3, *rec_config;
char *p, *secretkey;
bool logoff, recover, salvage;
conn = NULL;
p = NULL;
/* Get the program name. */
if ((progname = strrchr(argv[0], '/')) == NULL)
progname = argv[0];
else
++progname;
command = "";
/* Check the version against the library build. */
(void)wiredtiger_version(&major_v, & minor_v, NULL);
if (major_v != WIREDTIGER_VERSION_MAJOR ||
minor_v != WIREDTIGER_VERSION_MINOR) {
fprintf(stderr,
"%s: program build version %d.%d does not match "
"library build version %d.%d\n",
progname,
WIREDTIGER_VERSION_MAJOR, WIREDTIGER_VERSION_MINOR,
major_v, minor_v);
return (EXIT_FAILURE);
}
cmd_config = config = secretkey = NULL;
/*
* We default to returning an error if recovery needs to be run.
* Generally we expect this to be run after a clean shutdown.
* The printlog command disables logging entirely. If recovery is
* needed, the user can specify -R to run recovery.
*/
rec_config = REC_ERROR;
logoff = recover = salvage = false;
/* Check for standard options. */
while ((ch = __wt_getopt(progname, argc, argv, "C:E:h:LRSVv")) != EOF)
switch (ch) {
case 'C': /* wiredtiger_open config */
cmd_config = __wt_optarg;
break;
case 'E': /* secret key */
free(secretkey); /* lint: set more than once */
if ((secretkey = strdup(__wt_optarg)) == NULL) {
(void)util_err(NULL, errno, NULL);
goto err;
}
memset(__wt_optarg, 0, strlen(__wt_optarg));
break;
case 'h': /* home directory */
home = __wt_optarg;
break;
case 'L': /* no logging */
rec_config = REC_LOGOFF;
logoff = true;
break;
case 'R': /* recovery */
rec_config = REC_RECOVER;
recover = true;
break;
case 'S': /* salvage */
rec_config = REC_SALVAGE;
salvage = true;
break;
case 'V': /* version */
printf("%s\n", wiredtiger_version(NULL, NULL, NULL));
goto done;
case 'v': /* verbose */
verbose = true;
break;
case '?':
default:
usage();
goto err;
}
if ((logoff && recover) || (logoff && salvage) ||
(recover && salvage)) {
fprintf(stderr, "Only one of -L, -R, and -S is allowed.\n");
goto err;
}
argc -= __wt_optind;
argv += __wt_optind;
/* The next argument is the command name. */
if (argc < 1) {
usage();
goto err;
}
command = argv[0];
/* Reset getopt. */
__wt_optreset = __wt_optind = 1;
func = NULL;
switch (command[0]) {
case 'a':
if (strcmp(command, "alter") == 0)
func = util_alter;
break;
case 'b':
if (strcmp(command, "backup") == 0)
func = util_backup;
break;
case 'c':
if (strcmp(command, "compact") == 0)
func = util_compact;
else if (strcmp(command, "copyright") == 0) {
util_copyright();
goto done;
} else if (strcmp(command, "create") == 0) {
func = util_create;
config = "create";
}
break;
case 'd':
if (strcmp(command, "downgrade") == 0)
func = util_downgrade;
else if (strcmp(command, "drop") == 0)
func = util_drop;
else if (strcmp(command, "dump") == 0)
func = util_dump;
break;
case 'l':
if (strcmp(command, "list") == 0)
func = util_list;
else if (strcmp(command, "load") == 0) {
func = util_load;
config = "create";
} else if (strcmp(command, "loadtext") == 0) {
func = util_loadtext;
config = "create";
}
break;
case 'p':
if (strcmp(command, "printlog") == 0) {
func = util_printlog;
rec_config = REC_LOGOFF;
}
break;
case 'r':
if (strcmp(command, "read") == 0)
func = util_read;
else if (strcmp(command, "rebalance") == 0)
func = util_rebalance;
else if (strcmp(command, "rename") == 0)
func = util_rename;
break;
case 's':
if (strcmp(command, "salvage") == 0)
func = util_salvage;
else if (strcmp(command, "stat") == 0) {
func = util_stat;
config = "statistics=(all)";
}
break;
case 't' :
if (strcmp(command, "truncate") == 0)
func = util_truncate;
break;
case 'u':
if (strcmp(command, "upgrade") == 0)
func = util_upgrade;
break;
case 'v':
if (strcmp(command, "verify") == 0)
func = util_verify;
break;
case 'w':
if (strcmp(command, "write") == 0)
func = util_write;
break;
default:
break;
}
if (func == NULL) {
usage();
goto err;
}
/* Build the configuration string. */
len = 10; /* some slop */
p1 = p2 = p3 = "";
len += strlen("error_prefix=wt");
if (config != NULL)
len += strlen(config);
if (cmd_config != NULL)
len += strlen(cmd_config);
if (secretkey != NULL) {
len += strlen(secretkey) + 30;
p1 = ",encryption=(secretkey=";
p2 = secretkey;
p3 = ")";
}
len += strlen(rec_config);
if ((p = malloc(len)) == NULL) {
(void)util_err(NULL, errno, NULL);
goto err;
}
if ((ret = __wt_snprintf(p, len, "error_prefix=wt,%s,%s,%s%s%s%s",
config == NULL ? "" : config,
cmd_config == NULL ? "" : cmd_config,
rec_config, p1, p2, p3)) != 0) {
(void)util_err(NULL, ret, NULL);
goto err;
}
config = p;
/* Open the database and a session. */
if ((ret = wiredtiger_open(home,
verbose ? verbose_handler : NULL, config, &conn)) != 0) {
(void)util_err(NULL, ret, NULL);
goto err;
}
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0) {
(void)util_err(NULL, ret, NULL);
goto err;
}
/* Call the function. */
ret = func(session, argc, argv);
if (0) {
err: ret = 1;
}
done:
/* Close the database. */
if (conn != NULL && (tret = conn->close(conn, NULL)) != 0 && ret == 0)
ret = tret;
free(p);
free(secretkey);
return (ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
wt_back_initialize( BackendInfo *bi )
{
static char *controls[] = {
LDAP_CONTROL_ASSERT,
LDAP_CONTROL_MANAGEDSAIT,
LDAP_CONTROL_NOOP,
LDAP_CONTROL_PAGEDRESULTS,
LDAP_CONTROL_PRE_READ,
LDAP_CONTROL_POST_READ,
LDAP_CONTROL_SUBENTRIES,
LDAP_CONTROL_X_PERMISSIVE_MODIFY,
NULL
};
/* initialize the database system */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(wt_back_initialize)
": initialize WiredTiger backend\n",
0, 0, 0 );
bi->bi_flags |=
SLAP_BFLAG_INCREMENT |
SLAP_BFLAG_SUBENTRIES |
SLAP_BFLAG_ALIASES |
SLAP_BFLAG_REFERRALS;
bi->bi_controls = controls;
{ /* version check */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(wt_back_initialize) ": %s\n",
wiredtiger_version(NULL, NULL, NULL), 0, 0 );
}
bi->bi_open = 0;
bi->bi_close = 0;
bi->bi_config = 0;
bi->bi_destroy = 0;
bi->bi_db_init = wt_db_init;
bi->bi_db_config = config_generic_wrapper;
bi->bi_db_open = wt_db_open;
bi->bi_db_close = wt_db_close;
bi->bi_db_destroy = wt_db_destroy;
bi->bi_op_add = wt_add;
bi->bi_op_bind = wt_bind;
bi->bi_op_unbind = 0;
bi->bi_op_search = wt_search;
bi->bi_op_compare = wt_compare;
bi->bi_op_modify = wt_modify;
bi->bi_op_modrdn = 0;
bi->bi_op_delete = wt_delete;
bi->bi_op_abandon = 0;
bi->bi_extended = 0;
bi->bi_chk_referrals = 0;
bi->bi_operational = wt_operational;
bi->bi_entry_release_rw = wt_entry_release;
bi->bi_entry_get_rw = wt_entry_get;
bi->bi_tool_entry_open = wt_tool_entry_open;
bi->bi_tool_entry_close = wt_tool_entry_close;
bi->bi_tool_entry_first = backend_tool_entry_first;
bi->bi_tool_entry_first_x = wt_tool_entry_first_x;
bi->bi_tool_entry_next = wt_tool_entry_next;
bi->bi_tool_entry_get = wt_tool_entry_get;
bi->bi_tool_entry_put = wt_tool_entry_put;
bi->bi_tool_entry_reindex = wt_tool_entry_reindex;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
return wt_back_init_cf( bi );
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
WT_DECL_RET;
WT_SESSION *session;
size_t len;
int ch, major_v, minor_v, tret, (*func)(WT_SESSION *, int, char *[]);
char *p;
const char *cmd_config, *config;
conn = NULL;
p = NULL;
/* Get the program name. */
if ((progname = strrchr(argv[0], '/')) == NULL)
progname = argv[0];
else
++progname;
command = "";
/* Check the version against the library build. */
(void)wiredtiger_version(&major_v, & minor_v, NULL);
if (major_v != WIREDTIGER_VERSION_MAJOR ||
minor_v != WIREDTIGER_VERSION_MINOR) {
fprintf(stderr,
"%s: program build version %d.%d does not match "
"library build version %d.%d\n",
progname,
WIREDTIGER_VERSION_MAJOR, WIREDTIGER_VERSION_MINOR,
major_v, minor_v);
return (EXIT_FAILURE);
}
/* Check for standard options. */
cmd_config = config = NULL;
while ((ch = util_getopt(argc, argv, "C:h:Vv")) != EOF)
switch (ch) {
case 'C': /* wiredtiger_open config */
cmd_config = util_optarg;
break;
case 'h': /* home directory */
home = util_optarg;
break;
case 'V': /* version */
printf("%s\n", wiredtiger_version(NULL, NULL, NULL));
return (EXIT_SUCCESS);
case 'v': /* verbose */
verbose = 1;
break;
case '?':
default:
return (usage());
}
argc -= util_optind;
argv += util_optind;
/* The next argument is the command name. */
if (argc < 1)
return (usage());
command = argv[0];
/* Reset getopt. */
util_optreset = 1;
util_optind = 1;
func = NULL;
switch (command[0]) {
case 'b':
if (strcmp(command, "backup") == 0)
func = util_backup;
break;
case 'c':
if (strcmp(command, "compact") == 0)
func = util_compact;
else if (strcmp(command, "copyright") == 0) {
util_copyright();
return (EXIT_SUCCESS);
} else if (strcmp(command, "create") == 0) {
func = util_create;
config = "create";
}
break;
case 'd':
if (strcmp(command, "drop") == 0)
func = util_drop;
else if (strcmp(command, "dump") == 0)
func = util_dump;
break;
case 'l':
if (strcmp(command, "list") == 0)
func = util_list;
else if (strcmp(command, "load") == 0) {
func = util_load;
config = "create";
} else if (strcmp(command, "loadtext") == 0) {
func = util_loadtext;
config = "create";
}
break;
case 'p':
if (strcmp(command, "printlog") == 0)
func = util_printlog;
break;
case 'r':
if (strcmp(command, "read") == 0)
func = util_read;
else if (strcmp(command, "rename") == 0)
func = util_rename;
break;
case 's':
if (strcmp(command, "salvage") == 0)
func = util_salvage;
else if (strcmp(command, "stat") == 0) {
func = util_stat;
config = "statistics=(all)";
}
break;
case 'u':
if (strcmp(command, "upgrade") == 0)
func = util_upgrade;
break;
case 'v':
if (strcmp(command, "verify") == 0)
func = util_verify;
break;
case 'w':
if (strcmp(command, "write") == 0)
func = util_write;
break;
default:
break;
}
if (func == NULL)
return (usage());
/* Build the configuration string, as necessary. */
if (config == NULL)
config = cmd_config;
else if (cmd_config != NULL) {
len = strlen(cmd_config) + strlen(config) + 10;
if ((p = malloc(len)) == NULL) {
ret = util_err(errno, NULL);
goto err;
}
(void)snprintf(p, len, "%s,%s", config, cmd_config);
config = p;
}
/* Open the database and a session. */
if ((ret = wiredtiger_open(home,
verbose ? verbose_handler : NULL, config, &conn)) != 0) {
ret = util_err(ret, NULL);
goto err;
}
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0) {
ret = util_err(ret, NULL);
goto err;
}
/* Call the function. */
ret = func(session, argc, argv);
/* Close the database. */
err: if (conn != NULL && (tret = conn->close(conn, NULL)) != 0 && ret == 0)
ret = tret;
if (p != NULL)
free(p);
return (ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
home = example_setup(argc, argv);
/*! [Open a connection] */
error_check(wiredtiger_open(home, NULL,
"create,cache_size=5GB,log=(enabled,recover=on),statistics=(all)",
&conn));
/*! [Open a connection] */
connection_ops(conn);
/*
* The connection has been closed.
*/
#ifdef MIGHT_NOT_RUN
/*
* This example code gets run, and the compression libraries might not
* be installed, causing the open to fail. The documentation requires
* the code snippets, use #ifdef's to avoid running it.
*/
/*! [Configure lz4 extension] */
error_check(wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_lz4.so]", &conn));
/*! [Configure lz4 extension] */
error_check(conn->close(conn, NULL));
/*! [Configure snappy extension] */
error_check(wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_snappy.so]", &conn));
/*! [Configure snappy extension] */
error_check(conn->close(conn, NULL));
/*! [Configure zlib extension] */
error_check(wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_zlib.so]", &conn));
/*! [Configure zlib extension] */
error_check(conn->close(conn, NULL));
/*! [Configure zlib extension with compression level] */
error_check(wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/"
"libwiredtiger_zlib.so=[config=[compression_level=3]]]", &conn));
/*! [Configure zlib extension with compression level] */
error_check(conn->close(conn, NULL));
/*! [Configure zstd extension] */
error_check(wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/libwiredtiger_zstd.so]", &conn));
/*! [Configure zstd extension] */
error_check(conn->close(conn, NULL));
/*! [Configure zstd extension with compression level] */
error_check(wiredtiger_open(home, NULL,
"create,"
"extensions=[/usr/local/lib/"
"libwiredtiger_zstd.so=[config=[compression_level=9]]]", &conn));
/*! [Configure zstd extension with compression level] */
error_check(conn->close(conn, NULL));
/*
* This example code gets run, and direct I/O might not be available,
* causing the open to fail. The documentation requires code snippets,
* use #ifdef's to avoid running it.
*/
/* Might Not Run: direct I/O may not be available. */
/*! [Configure direct_io for data files] */
error_check(wiredtiger_open(
home, NULL, "create,direct_io=[data]", &conn));
/*! [Configure direct_io for data files] */
error_check(conn->close(conn, NULL));
#endif
/*! [Configure file_extend] */
error_check(wiredtiger_open(
home, NULL, "create,file_extend=(data=16MB)", &conn));
/*! [Configure file_extend] */
error_check(conn->close(conn, NULL));
/*! [Eviction configuration] */
/*
* Configure eviction to begin at 90% full, and run until the cache
* is only 75% dirty.
*/
error_check(wiredtiger_open(home, NULL,
"create,eviction_trigger=90,eviction_dirty_target=75", &conn));
/*! [Eviction configuration] */
error_check(conn->close(conn, NULL));
/*! [Eviction worker configuration] */
/* Configure up to four eviction threads */
error_check(wiredtiger_open(home, NULL,
"create,eviction_trigger=90,eviction=(threads_max=4)", &conn));
/*! [Eviction worker configuration] */
error_check(conn->close(conn, NULL));
/*! [Statistics configuration] */
error_check(wiredtiger_open(
home, NULL, "create,statistics=(all)", &conn));
/*! [Statistics configuration] */
error_check(conn->close(conn, NULL));
/*! [Statistics logging] */
error_check(wiredtiger_open(
home, NULL, "create,statistics_log=(wait=30)", &conn));
/*! [Statistics logging] */
error_check(conn->close(conn, NULL));
#ifdef MIGHT_NOT_RUN
/*
* Don't run this code, statistics logging doesn't yet support tables.
*/
/*! [Statistics logging with a table] */
error_check(wiredtiger_open(home, NULL,
"create, statistics_log=("
"sources=(\"table:table1\",\"table:table2\"), wait=5)", &conn));
/*! [Statistics logging with a table] */
error_check(conn->close(conn, NULL));
/*
* Don't run this code, statistics logging doesn't yet support indexes.
*/
/*! [Statistics logging with a source type] */
error_check(wiredtiger_open(home, NULL,
"create, statistics_log=(sources=(\"index:\"), wait=5)", &conn));
/*! [Statistics logging with a source type] */
error_check(conn->close(conn, NULL));
/*
* Don't run this code, because memory checkers get very upset when we
* leak memory.
*/
error_check(wiredtiger_open(home, NULL, "create", &conn));
/*! [Connection close leaking memory] */
error_check(conn->close(conn, "leak_memory=true"));
/*! [Connection close leaking memory] */
#endif
/*! [Get the WiredTiger library version #1] */
printf("WiredTiger version %s\n", wiredtiger_version(NULL, NULL, NULL));
/*! [Get the WiredTiger library version #1] */
{
/*! [Get the WiredTiger library version #2] */
int major_v, minor_v, patch;
(void)wiredtiger_version(&major_v, &minor_v, &patch);
printf("WiredTiger version is %d, %d (patch %d)\n",
major_v, minor_v, patch);
/*! [Get the WiredTiger library version #2] */
}
{
/*! [Calculate a modify operation] */
WT_MODIFY mod[3];
int nmod = 3;
WT_ITEM prev, newv;
prev.data = "the quick brown fox jumped over the lazy dog. " \
"THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG. " \
"the quick brown fox jumped over the lazy dog. " \
"THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG. ";
prev.size = strlen(prev.data);
newv.data = "A quick brown fox jumped over the lazy dog. " \
"THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG. " \
"then a quick brown fox jumped over the lazy dog. " \
"THE QUICK BROWN FOX JUMPED OVER THE LAZY DOG. " \
"then what?";
newv.size = strlen(newv.data);
error_check(wiredtiger_calc_modify(NULL, &prev, &newv, 20, mod, &nmod));
/*! [Calculate a modify operation] */
}
{
const char *buffer = "some string";
size_t len = strlen(buffer);
/*! [Checksum a buffer] */
uint32_t crc32c, (*func)(const void *, size_t);
func = wiredtiger_crc32c_func();
crc32c = func(buffer, len);
/*! [Checksum a buffer] */
(void)crc32c;
}
return (EXIT_SUCCESS);
}