int solaris_unlink (const char *path)
{
char *mapped_path = NULL;
struct stat stbuf = {0, };
int ret = -1;
ret = solaris_xattr_resolve_path (path, &mapped_path);
if (!ret && mapped_path) {
if (lstat(path, &stbuf)) {
gf_msg (THIS->name, GF_LOG_WARNING, errno,
LG_MSG_FILE_OP_FAILED, "Stat failed on "
"mapped file %s", mapped_path);
goto out;
}
if (stbuf.st_nlink == 1) {
if(remove (mapped_path))
gf_msg (THIS->name, GF_LOG_WARNING, errno,
LG_MSG_FILE_OP_FAILED, "Failed to "
"remove mapped file %s", mapped_path);
}
}
out:
GF_FREE (mapped_path);
return unlink (path);
}
/**
* _export_file_init -- Initialize an exports file structure.
*
* @return : success: Pointer to an allocated exports file struct
* failure: NULL
*
* Not for external use.
*/
struct exports_file *
_exports_file_init()
{
struct exports_file *file = NULL;
file = GF_CALLOC(1, sizeof(*file), gf_common_mt_nfs_exports);
if (!file) {
gf_msg(GF_EXP, GF_LOG_CRITICAL, ENOMEM, NFS_MSG_NO_MEMORY,
"Failed to allocate file struct!");
goto out;
}
file->exports_dict = dict_new();
file->exports_map = dict_new();
if (!file->exports_dict || !file->exports_map) {
gf_msg(GF_EXP, GF_LOG_CRITICAL, ENOMEM, NFS_MSG_NO_MEMORY,
"Failed to allocate dict!");
goto free_and_out;
}
goto out;
free_and_out:
if (file->exports_dict)
dict_unref(file->exports_dict);
GF_FREE(file);
file = NULL;
out:
return file;
}
static int
xlator_option_validate_path (xlator_t *xl, const char *key, const char *value,
volume_option_t *opt, char **op_errstr)
{
int ret = -1;
char errstr[256];
if (strstr (value, "../")) {
snprintf (errstr, 256,
"invalid path given '%s'",
value);
gf_msg (xl->name, GF_LOG_ERROR, 0, LG_MSG_INVALID_ENTRY, "%s",
errstr);
goto out;
}
/* Make sure the given path is valid */
if (value[0] != '/') {
snprintf (errstr, 256,
"option %s %s: '%s' is not an "
"absolute path name",
key, value, value);
gf_msg (xl->name, GF_LOG_ERROR, 0, LG_MSG_INVALID_ENTRY, "%s",
errstr);
goto out;
}
ret = 0;
out:
if (ret && op_errstr)
*op_errstr = gf_strdup (errstr);
return ret;
}
/*Internal function: Used initialize/map db operation of
* specified type of db plugin*/
static int
init_db_operations (gfdb_db_type_t gfdb_db_type,
gfdb_db_operations_t *gfdb_db_operations)
{
int ret = -1;
GF_ASSERT (gfdb_db_operations);
/*Clear the gfdb_db_operations*/
gfdb_db_operations = memset(gfdb_db_operations, 0,
sizeof(*gfdb_db_operations));
switch (gfdb_db_type) {
case GFDB_SQLITE3:
gf_sqlite3_fill_db_operations (gfdb_db_operations);
ret = 0;
break;
case GFDB_HYPERDEX:
case GFDB_HASH_FILE_STORE:
case GFDB_ROCKS_DB:
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_UNSUPPORTED_PLUGIN, "Plugin not supported");
break;
case GFDB_INVALID_DB:
case GFDB_DB_END:
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_INVALID_DB_TYPE, "Invalid DB Type");
break;
}
return ret;
}
static int
xlator_option_validate_percent (xlator_t *xl, const char *key, const char *value,
volume_option_t *opt, char **op_errstr)
{
double percent = 0;
int ret = -1;
char errstr[256];
/* Check if the value is valid percentage */
if (gf_string2percent (value, &percent) != 0) {
snprintf (errstr, 256,
"invalid percent format \"%s\" in \"option %s\"",
value, key);
gf_msg (xl->name, GF_LOG_ERROR, 0, LG_MSG_INVALID_ENTRY, "%s",
errstr);
goto out;
}
if ((percent < 0.0) || (percent > 100.0)) {
snprintf (errstr, 256,
"'%lf' in 'option %s %s' is out of range [0 - 100]",
percent, key, value);
gf_msg (xl->name, GF_LOG_ERROR, 0, LG_MSG_OUT_OF_RANGE, "%s",
errstr);
goto out;
}
ret = 0;
out:
if (ret && op_errstr)
*op_errstr = gf_strdup (errstr);
return ret;
}
int gf_sqlite3_insert(void *db_conn, gfdb_db_record_t *gfdb_db_record)
{
int ret = -1;
gf_sql_connection_t *sql_conn = db_conn;
CHECK_SQL_CONN(sql_conn, out);
GF_VALIDATE_OR_GOTO(GFDB_STR_SQLITE3, gfdb_db_record, out);
switch (gfdb_db_record->gfdb_fop_path) {
case GFDB_FOP_WIND:
ret = gf_sql_insert_wind (sql_conn, gfdb_db_record);
if (ret) {
gf_msg (GFDB_STR_SQLITE3, _gfdb_log_level (GF_LOG_ERROR,
gfdb_db_record->ignore_errors), 0,
LG_MSG_INSERT_FAILED, "Failed wind insert");
goto out;
}
break;
case GFDB_FOP_UNWIND:
ret = gf_sql_insert_unwind (sql_conn, gfdb_db_record);
if (ret) {
gf_msg (GFDB_STR_SQLITE3, _gfdb_log_level (GF_LOG_ERROR,
gfdb_db_record->ignore_errors), 0,
LG_MSG_INSERT_FAILED, "Failed unwind insert");
goto out;
}
break;
case GFDB_FOP_WDEL:
ret = gf_sql_update_delete_wind (sql_conn, gfdb_db_record);
if (ret) {
gf_msg (GFDB_STR_SQLITE3, _gfdb_log_level (GF_LOG_ERROR,
gfdb_db_record->ignore_errors), 0,
LG_MSG_UPDATE_FAILED, "Failed updating delete "
"during wind");
goto out;
}
break;
case GFDB_FOP_UNDEL:
case GFDB_FOP_UNDEL_ALL:
ret = gf_sql_delete_unwind (sql_conn, gfdb_db_record);
if (ret) {
gf_msg (GFDB_STR_SQLITE3, _gfdb_log_level (GF_LOG_ERROR,
gfdb_db_record->ignore_errors), 0,
LG_MSG_DELETE_FAILED, "Failed deleting");
goto out;
}
break;
case GFDB_FOP_INVALID:
default:
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0, LG_MSG_INVALID_FOP,
"Cannot record to DB: Invalid FOP");
goto out;
}
ret = 0;
out:
return ret;
}
/*Libgfdb API Function: Used to terminate/de-initialize db connection
* (Destructor function for db connection object)
* Arguments:
* _conn_node : GFDB Connection node
* Returns : if successful return 0 or
* -ve value in case of failure*/
int
fini_db (gfdb_conn_node_t *_conn_node)
{
int ret = -1;
gfdb_db_operations_t *db_operations_t = NULL;
CHECK_CONN_NODE_GOTO (_conn_node, empty);
db_operations_t = &_conn_node->gfdb_connection.gfdb_db_operations;
GF_ASSERT (db_operations_t->fini_db_op);
ret = db_operations_t->fini_db_op(&_conn_node->gfdb_connection.
gf_db_connection);
if (ret) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_CLOSE_CONNECTION_FAILED, "Failed close the db "
"connection");
goto out;
}
ret = delete_conn_node (_conn_node);
if (ret) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_DELETE_FROM_LIST_FAILED, "Failed deleting "
"connection node from list");
}
empty:
ret = 0;
out:
return ret;
}
/* Function to set PRAGMA to sqlite db
* Input:
* void *db_conn : Sqlite connection
* char *pragma_key : PRAGMA to be set
* char *pragma_value : the value of the PRAGMA
* Return:
* On success return 0
* On failure return -1
* */
int
gf_sqlite3_set_pragma (void *db_conn, char *pragma_key, char *pragma_value)
{
int ret = -1;
gf_sql_connection_t *sql_conn = db_conn;
char sqlstring[GF_NAME_MAX] = "";
char *db_pragma_value = NULL;
CHECK_SQL_CONN (sql_conn, out);
GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, pragma_key, out);
GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, pragma_value, out);
GF_SQLITE3_SET_PRAGMA(sqlstring, pragma_key, "%s",
pragma_value, ret, out);
ret = gf_sqlite3_pragma (db_conn, pragma_key, &db_pragma_value);
if (ret < 0) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0, LG_MSG_QUERY_FAILED,
"Failed to get %s pragma", pragma_key);
} else {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_INFO, 0, 0,
"Value set on DB %s : %s", pragma_key, db_pragma_value);
}
GF_FREE (db_pragma_value);
ret = 0;
out:
return ret;
}
static void
__slot_update_events (struct event_slot_epoll *slot, int poll_in, int poll_out)
{
switch (poll_in) {
case 1:
slot->events |= EPOLLIN;
break;
case 0:
slot->events &= ~EPOLLIN;
break;
case -1:
/* do nothing */
break;
default:
gf_msg ("epoll", GF_LOG_ERROR, 0, LG_MSG_INVALID_POLL_IN,
"invalid poll_in value %d", poll_in);
break;
}
switch (poll_out) {
case 1:
slot->events |= EPOLLOUT;
break;
case 0:
slot->events &= ~EPOLLOUT;
break;
case -1:
/* do nothing */
break;
default:
gf_msg ("epoll", GF_LOG_ERROR, 0, LG_MSG_INVALID_POLL_OUT,
"invalid poll_out value %d", poll_out);
break;
}
}
int
gf_umount_lazy (char *xlname, char *path, int rmdir_flag)
{
int ret = -1;
runner_t runner = {0,};
runinit (&runner);
#ifdef GF_LINUX_HOST_OS
runner_add_args (&runner, _PATH_UMOUNT, "-l", path, NULL);
#else
if (rmdir_flag)
runner_add_args (&runner, SBIN_DIR "/umountd",
"-r", path, NULL);
else
runner_add_args (&runner, SBIN_DIR "/umountd",
path, NULL);
#endif
ret = runner_run (&runner);
if (ret) {
gf_msg (xlname, GF_LOG_ERROR, errno, LG_MSG_UNMOUNT_FAILED,
"Lazy unmount of %s", path);
}
#ifdef GF_LINUX_HOST_OS
if (!ret && rmdir_flag) {
ret = rmdir (path);
if (ret)
gf_msg (xlname, GF_LOG_WARNING, errno,
LG_MSG_DIR_OP_FAILED, "rmdir %s", path);
}
#endif
return ret;
}
/* Parses the string to be of the form <key1>:<value1>,<key2>:<value2>... *
* takes two optional validaters key_validator and value_validator */
static int
validate_list_elements (const char *string, volume_option_t *opt,
int (key_validator)( const char *),
int (value_validator)( const char *, volume_option_t *))
{
char *dup_string = NULL;
char *str_sav = NULL;
char *substr_sav = NULL;
char *str_ptr = NULL;
char *key = NULL;
char *value = NULL;
int ret = 0;
GF_ASSERT (string);
dup_string = gf_strdup (string);
if (NULL == dup_string)
goto out;
str_ptr = strtok_r (dup_string, ",", &str_sav);
if (str_ptr == NULL) {
ret = -1;
goto out;
}
while (str_ptr) {
key = strtok_r (str_ptr, ":", &substr_sav);
if (!key ||
(key_validator && key_validator(key))) {
ret = -1;
gf_msg (THIS->name, GF_LOG_WARNING, 0,
LG_MSG_INVALID_ENTRY, "invalid list '%s', key "
"'%s' not valid.", string, key);
goto out;
}
value = strtok_r (NULL, ":", &substr_sav);
if (!value ||
(value_validator && value_validator(value, opt))) {
ret = -1;
gf_msg (THIS->name, GF_LOG_WARNING, 0,
LG_MSG_INVALID_ENTRY, "invalid list '%s', "
"value '%s' not valid.", string, key);
goto out;
}
str_ptr = strtok_r (NULL, ",", &str_sav);
substr_sav = NULL;
}
out:
GF_FREE (dup_string);
gf_msg_debug (THIS->name, 0, "Returning %d", ret);
return ret;
}
int
glusterd_proc_stop (glusterd_proc_t *proc, int sig, int flags)
{
/* NB: Copy-paste code from glusterd_service_stop, the source may be
* removed once all daemon management use proc */
int32_t ret = -1;
pid_t pid = -1;
xlator_t *this = NULL;
this = THIS;
GF_ASSERT (this);
if (!gf_is_service_running (proc->pidfile, &pid)) {
ret = 0;
gf_log (this->name, GF_LOG_INFO, "%s already stopped",
proc->name);
goto out;
}
gf_log (this->name, GF_LOG_DEBUG, "Stopping %s daemon running in pid: "
"%d", proc->name, pid);
ret = kill (pid, sig);
if (ret) {
switch (errno) {
case ESRCH:
gf_log (this->name, GF_LOG_DEBUG, "%s is already "
"stopped", proc->name);
ret = 0;
goto out;
default:
gf_msg (this->name, GF_LOG_ERROR, errno,
GD_MSG_SVC_KILL_FAIL, "Unable to kill %s "
"service, reason:%s", proc->name,
strerror (errno));
}
}
if (flags != PROC_STOP_FORCE)
goto out;
sleep (1);
if (gf_is_service_running (proc->pidfile, NULL)) {
ret = kill (pid, SIGKILL);
if (ret) {
gf_msg (this->name, GF_LOG_ERROR, errno,
GD_MSG_PID_KILL_FAIL, "Unable to kill pid:%d, "
"reason:%s", pid, strerror(errno));
goto out;
}
}
ret = 0;
out:
return ret;
}
/* Function to extract PRAGMA from sqlite db
* Input:
* void *db_conn : Sqlite connection
* char *pragma_key : PRAGMA or setting to be extracted
* char **pragma_value : the value of the PRAGMA or setting that is
* extracted. This function will allocate memory
* to pragma_value. The caller should free the memory
* Return:
* On success return the lenght of the pragma/setting value that is
* extracted.
* On failure return -1
* */
int
gf_sqlite3_pragma (void *db_conn, char *pragma_key, char **pragma_value)
{
int ret = -1;
gf_sql_connection_t *sql_conn = db_conn;
sqlite3_stmt *pre_stmt = NULL;
char *sqlstring = NULL;
CHECK_SQL_CONN (sql_conn, out);
GF_VALIDATE_OR_GOTO (GFDB_STR_SQLITE3, pragma_key, out);
ret = gf_asprintf (&sqlstring, "PRAGMA %s;", pragma_key);
if (ret <= 0) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
LG_MSG_PREPARE_FAILED, "Failed allocating memory");
goto out;
}
ret = sqlite3_prepare_v2 (sql_conn->sqlite3_db_conn,
sqlstring, -1, &pre_stmt, 0);
if (ret != SQLITE_OK) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
LG_MSG_PREPARE_FAILED, "Failed init prepare stmt %s",
sqlite3_errmsg (db_conn));
ret = -1;
goto out;
}
ret = sqlite3_step (pre_stmt);
if (ret != SQLITE_ROW) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0,
LG_MSG_GET_RECORD_FAILED, "Failed to get records "
"from db : %s", sqlite3_errmsg (db_conn));
ret = -1;
goto out;
}
ret = gf_asprintf (pragma_value, "%s", sqlite3_column_text (pre_stmt, 0));
if (ret <= 0) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0, LG_MSG_QUERY_FAILED,
"Failed to get %s from db", pragma_key);
}
ret = 0;
out:
GF_FREE (sqlstring);
sqlite3_finalize (pre_stmt);
return ret;
}
int
xlator_volopt_dynload (char *xlator_type, void **dl_handle,
volume_opt_list_t *opt_list)
{
int ret = -1;
char *name = NULL;
void *handle = NULL;
GF_VALIDATE_OR_GOTO ("xlator", xlator_type, out);
/* socket.so doesn't fall under the default xlator directory, hence we
* need this check */
if (!strstr(xlator_type, "rpc-transport"))
ret = gf_asprintf (&name, "%s/%s.so", XLATORDIR, xlator_type);
else
ret = gf_asprintf (&name, "%s/%s.so", XLATORPARENTDIR, xlator_type);
if (-1 == ret) {
goto out;
}
ret = -1;
gf_msg_trace ("xlator", 0, "attempt to load file %s", name);
handle = dlopen (name, RTLD_NOW|RTLD_GLOBAL);
if (!handle) {
gf_msg ("xlator", GF_LOG_WARNING, 0, LG_MSG_DLOPEN_FAILED,
"%s", dlerror ());
goto out;
}
if (!(opt_list->given_opt = dlsym (handle, "options"))) {
dlerror ();
gf_msg ("xlator", GF_LOG_ERROR, 0, LG_MSG_LOAD_FAILED,
"Failed to load xlator opt table");
goto out;
}
*dl_handle = handle;
handle = NULL;
ret = 0;
out:
GF_FREE (name);
if (handle)
dlclose (handle);
gf_msg_debug ("xlator", 0, "Returning %d", ret);
return ret;
}
int
nfs_gfid_loc_fill (inode_table_t *itable, uuid_t gfid, loc_t *loc, int how)
{
int ret = -EFAULT;
inode_t *inode = NULL;
if (!loc)
return ret;
inode = inode_find (itable, gfid);
if (!inode) {
gf_msg_trace (GF_NFS, 0, "Inode not found in itable, will "
"try to create one.");
if (how == NFS_RESOLVE_CREATE) {
gf_msg_trace (GF_NFS, 0, "Inode needs to be created.");
inode = inode_new (itable);
if (!inode) {
gf_msg (GF_NFS, GF_LOG_ERROR, ENOMEM,
NFS_MSG_NO_MEMORY, "Failed to "
"allocate memory");
ret = -ENOMEM;
goto err;
}
} else {
gf_msg (GF_NFS, GF_LOG_ERROR, ENOENT,
NFS_MSG_INODE_NOT_FOUND, "Inode not found in "
"itable and no creation was requested.");
ret = -ENOENT;
goto err;
}
} else {
gf_msg_trace (GF_NFS, 0, "Inode was found in the itable.");
}
gf_uuid_copy (loc->gfid, gfid);
ret = nfs_inode_loc_fill (inode, loc, how);
if (ret < 0) {
gf_msg (GF_NFS, GF_LOG_ERROR, -ret,
NFS_MSG_INODE_LOC_FILL_ERROR,
"Inode loc filling failed.: %s", strerror (-ret));
goto err;
}
err:
if (inode)
inode_unref (inode);
return ret;
}
int
nfs_inode_loc_fill (inode_t *inode, loc_t *loc, int how)
{
char *resolvedpath = NULL;
inode_t *parent = NULL;
int ret = -EFAULT;
if ((!inode) || (!loc))
return ret;
/* If gfid is not null, then the inode is already linked to
* the inode table, and not a newly created one. For newly
* created inode, inode_path returns null gfid as the path.
*/
if (!gf_uuid_is_null (inode->gfid)) {
ret = inode_path (inode, NULL, &resolvedpath);
if (ret < 0) {
gf_msg (GF_NFS, GF_LOG_ERROR, 0,
NFS_MSG_PATH_RESOLVE_FAIL, "path resolution "
"failed %s", resolvedpath);
goto err;
}
}
if (resolvedpath == NULL) {
char tmp_path[GFID_STR_PFX_LEN + 1] = {0,};
snprintf (tmp_path, sizeof (tmp_path), "<gfid:%s>",
uuid_utoa (loc->gfid));
resolvedpath = gf_strdup (tmp_path);
} else {
parent = inode_parent (inode, loc->pargfid, NULL);
}
ret = nfs_loc_fill (loc, inode, parent, resolvedpath);
if (ret < 0) {
gf_msg (GF_NFS, GF_LOG_ERROR, -ret,
NFS_MSG_LOC_FILL_RESOLVE_FAIL,
"loc fill resolution failed %s", resolvedpath);
goto err;
}
ret = 0;
err:
if (parent)
inode_unref (parent);
GF_FREE (resolvedpath);
return ret;
}
static int
xlator_option_validate_sizet (xlator_t *xl, const char *key, const char *value,
volume_option_t *opt, char **op_errstr)
{
size_t size = 0;
int ret = 0;
char errstr[256];
/* Check the range */
if (gf_string2bytesize_size (value, &size) != 0) {
snprintf (errstr, 256,
"invalid number format \"%s\" in option \"%s\"",
value, key);
gf_msg (xl->name, GF_LOG_ERROR, 0, LG_MSG_INVALID_ENTRY, "%s",
errstr);
ret = -1;
goto out;
}
if ((opt->min == 0) && (opt->max == 0)) {
gf_msg_trace (xl->name, 0, "no range check required for "
"'option %s %s'", key, value);
goto out;
}
if ((size < opt->min) || (size > opt->max)) {
if ((strncmp (key, "cache-size", 10) == 0) &&
(size > opt->max)) {
snprintf (errstr, 256, "Cache size %" GF_PRI_SIZET " is out of "
"range [%.0f - %.0f]",
size, opt->min, opt->max);
gf_msg (xl->name, GF_LOG_WARNING, 0,
LG_MSG_OUT_OF_RANGE, "%s", errstr);
} else {
snprintf (errstr, 256,
"'%" GF_PRI_SIZET "' in 'option %s %s' "
"is out of range [%.0f - %.0f]",
size, key, value, opt->min, opt->max);
gf_msg (xl->name, GF_LOG_ERROR, 0,
LG_MSG_OUT_OF_RANGE, "%s", errstr);
ret = -1;
}
}
out:
if (ret && op_errstr)
*op_errstr = gf_strdup (errstr);
return ret;
}
/*Libgfdb API Function: Query records/files that have changed/accessed from a
* time in past to current time
* Arguments:
* _conn_node : GFDB Connection node
* query_callback : Call back function that will be called
* for every record found
* _query_cbk_args : Custom argument passed for the call back
* function query_callback
* for_time : Time from where the file/s are
* changed/accessed
* Returns : if successful return 0 or
* -ve value in case of failure*/
int
find_recently_changed_files(gfdb_conn_node_t *_conn_node,
gf_query_callback_t query_callback,
void *_query_cbk_args,
gfdb_time_t *from_time)
{
int ret = 0;
gfdb_db_operations_t *db_operations_t = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(_conn_node);
db_operations_t = &_conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = _conn_node->gfdb_connection.gf_db_connection;
if (db_operations_t->find_recently_changed_files_op) {
ret = db_operations_t->find_recently_changed_files_op (
gf_db_connection, query_callback,
_query_cbk_args, from_time);
if (ret) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_FIND_OP_FAILED,
"Find changed operation failed");
}
}
return ret;
}
/*Libgfdb API Function: Query all the records from the database
* Arguments:
* _conn_node : GFDB Connection node
* query_callback : Call back function that will be called
* for every record found
* _query_cbk_args : Custom argument passed for the call back
* function query_callback
* Returns : if successful return 0 or
* -ve value in case of failure*/
int
find_all (gfdb_conn_node_t *_conn_node,
gf_query_callback_t query_callback,
void *_query_cbk_args)
{
int ret = 0;
gfdb_db_operations_t *db_operations_t = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(_conn_node);
db_operations_t = &_conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = _conn_node->gfdb_connection.gf_db_connection;
if (db_operations_t->find_all_op) {
ret = db_operations_t->find_all_op (gf_db_connection,
query_callback,
_query_cbk_args);
if (ret) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_FIND_OP_FAILED, "Find all operation "
"failed");
}
}
return ret;
}
/*Libgfdb API Function: Used to delete record from the database
* NOTE: In the current gfdb_sqlite3 plugin
* implementation this function is dummy.
* Use the insert_record function.
* Refer CTR Xlator features/changetimerecorder for usage
* Arguments:
* _conn_node : GFDB Connection node
* gfdb_db_record : Record to be deleted
* Returns : if successful return 0 or
* -ve value in case of failure*/
int
delete_record (gfdb_conn_node_t *_conn_node,
gfdb_db_record_t *gfdb_db_record)
{
int ret = 0;
gfdb_db_operations_t *db_operations_t = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(_conn_node);
db_operations_t = &_conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = _conn_node->gfdb_connection.gf_db_connection;
if (db_operations_t->delete_record_op) {
ret = db_operations_t->delete_record_op (gf_db_connection,
gfdb_db_record);
if (ret) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_DELETE_FAILED, "Delete operation "
"failed");
}
}
return ret;
}
/*Libgfdb API Function: Used to insert/update records in the database
* NOTE: In current gfdb_sqlite plugin we use that
* same function to delete the record. Set the
* gfdb_fop_path to GFDB_FOP_UNDEL to delete the
* link of inode from GF_FLINK_TB and
* GFDB_FOP_UNDEL_ALL to delete all the records from
* GF_FLINK_TB and GF_FILE_TB.
* TODO: Should seperate this function into the
* delete_record function
* Refer CTR Xlator features/changetimerecorder for usage
* Arguments:
* _conn_node : GFDB Connection node
* gfdb_db_record : Record to be inserted/updated
* Returns : if successful return 0 or
* -ve value in case of failure*/
int
insert_record (gfdb_conn_node_t *_conn_node,
gfdb_db_record_t *gfdb_db_record)
{
int ret = 0;
gfdb_db_operations_t *db_operations_t = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(_conn_node);
db_operations_t = &_conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = _conn_node->gfdb_connection.gf_db_connection;
if (db_operations_t->insert_record_op) {
ret = db_operations_t->insert_record_op (gf_db_connection,
gfdb_db_record);
if (ret) {
gf_msg (GFDB_DATA_STORE, _gfdb_log_level (GF_LOG_ERROR,
gfdb_db_record->ignore_errors), 0,
LG_MSG_INSERT_OR_UPDATE_FAILED, "Insert/Update"
" operation failed");
}
}
return ret;
}
int
solaris_setxattr(const char *path, const char* key, const char *value,
size_t size, int flags)
{
int attrfd = -1;
int ret = 0;
char *mapped_path = NULL;
ret = solaris_xattr_resolve_path (path, &mapped_path);
if (!ret) {
attrfd = attropen (mapped_path, key, flags|O_CREAT|O_WRONLY,
0777);
} else {
attrfd = attropen (path, key, flags|O_CREAT|O_WRONLY, 0777);
}
if (attrfd >= 0) {
ftruncate (attrfd, 0);
ret = write (attrfd, value, size);
close (attrfd);
ret = 0;
} else {
if (errno != ENOENT)
gf_msg ("libglusterfs", GF_LOG_ERROR, errno,
LG_MSG_SET_ATTRIBUTE_FAILED, "Couldn't set "
"extended attribute for %s", path);
ret = -1;
}
GF_FREE (mapped_path);
return ret;
}
int
gf_sql_clear_counters (gf_sql_connection_t *sql_conn)
{
int ret = -1;
char *sql_strerror = NULL;
char *query_str = NULL;
CHECK_SQL_CONN (sql_conn, out);
query_str = "BEGIN;UPDATE "
GF_FILE_TABLE
" SET " GF_COL_READ_FREQ_CNTR " = 0 , "
GF_COL_WRITE_FREQ_CNTR " = 0 ;COMMIT;";
ret = sqlite3_exec (sql_conn->sqlite3_db_conn, query_str, NULL, NULL,
&sql_strerror);
if (ret != SQLITE_OK) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0, LG_MSG_EXEC_FAILED,
"Failed executing: %s : %s",
query_str, sql_strerror);
sqlite3_free (sql_strerror);
ret = -1;
goto out;
}
ret = 0;
out:
return ret;
}
int
solaris_fgetxattr(int fd, const char* key, char *value, size_t size)
{
int attrfd = -1;
int ret = 0;
attrfd = openat (fd, key, O_RDONLY|O_XATTR);
if (attrfd >= 0) {
if (size == 0) {
struct stat buf;
fstat (attrfd, &buf);
ret = buf.st_size;
} else {
ret = read (attrfd, value, size);
}
close (attrfd);
} else {
if (errno != ENOENT)
gf_msg ("libglusterfs", GF_LOG_INFO, errno,
LG_MSG_READ_ATTRIBUTE_FAILED, "Couldn't read "
"extended attribute for the file %d", fd);
if (errno == ENOENT)
errno = ENODATA;
return -1;
}
return ret;
}
/*Libgfdb API Function: Query records/files that have not changed/accessed
* from a time in past to current time, with
* a desired frequency
* Arguments:
* _conn_node : GFDB Connection node
* query_callback : Call back function that will be called
* for every record found
* _query_cbk_args : Custom argument passed for the call back
* function query_callback
* for_time : Time from where the file/s are not
* changed/accessed
* write_freq_thresold : Desired Write Frequency lower limit
* read_freq_thresold : Desired Read Frequency lower limit
* _clear_counters : If true, Clears all the frequency counters of
* all files.
* Returns : if successful return 0 or
* -ve value in case of failure*/
int
find_unchanged_for_time_freq(gfdb_conn_node_t *_conn_node,
gf_query_callback_t query_callback,
void *_query_cbk_args,
gfdb_time_t *for_time,
int write_freq_thresold,
int read_freq_thresold,
gf_boolean_t _clear_counters)
{
int ret = 0;
gfdb_db_operations_t *db_operations_t = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(_conn_node);
db_operations_t = &_conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = _conn_node->gfdb_connection.gf_db_connection;
if (db_operations_t->find_unchanged_for_time_freq_op) {
ret = db_operations_t->find_unchanged_for_time_freq_op(
gf_db_connection, query_callback,
_query_cbk_args, for_time,
write_freq_thresold, read_freq_thresold,
_clear_counters);
if (ret) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_FIND_OP_FAILED,
"Find unchanged with freq operation failed");
}
}
return ret;
}
int
set_db_params (gfdb_conn_node_t *conn_node, char *param_key,
char *param_value)
{
int ret = -1;
gfdb_db_operations_t *db_operations = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(conn_node);
db_operations = &conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = conn_node->gfdb_connection.gf_db_connection;
if (db_operations->set_db_params) {
ret = db_operations->set_db_params (gf_db_connection,
param_key,
param_value);
if (ret < 0) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_INSERT_OR_UPDATE_FAILED,
"Failed to set database setting");
}
}
return ret;
}
int
get_db_params (gfdb_conn_node_t *conn_node, char *param_key,
char **param_value)
{
int ret = -1;
gfdb_db_operations_t *db_operations = NULL;
void *gf_db_connection = NULL;
CHECK_CONN_NODE(conn_node);
db_operations = &conn_node->gfdb_connection.gfdb_db_operations;
gf_db_connection = conn_node->gfdb_connection.gf_db_connection;
if (db_operations->get_db_params) {
ret = db_operations->get_db_params (gf_db_connection,
param_key,
param_value);
if (ret < 0) {
gf_msg (GFDB_DATA_STORE, GF_LOG_ERROR, 0,
LG_MSG_FIND_OP_FAILED,
"Get setting failed");
}
}
return ret;
}
clienttable_t *
gf_clienttable_alloc (void)
{
clienttable_t *clienttable = NULL;
int result = 0;
clienttable =
GF_CALLOC (1, sizeof (clienttable_t), gf_common_mt_clienttable_t);
if (!clienttable)
return NULL;
LOCK_INIT (&clienttable->lock);
result = gf_client_clienttable_expand (clienttable,
GF_CLIENTTABLE_INITIAL_SIZE);
if (result != 0) {
gf_msg ("client_t", GF_LOG_ERROR, 0,
LG_MSG_EXPAND_CLIENT_TABLE_FAILED,
"gf_client_clienttable_expand failed");
GF_FREE (clienttable);
return NULL;
}
return clienttable;
}
static int
create_filetable (sqlite3 *sqlite3_db_conn)
{
int ret = -1;
char *sql_stmt = NULL;
char *sql_strerror = NULL;
GF_ASSERT(sqlite3_db_conn);
sql_stmt = sql_stmt_init();
if (!sql_stmt) {
ret = ENOMEM;
goto out;
}
GF_CREATE_STMT(sql_stmt);
ret = sqlite3_exec (sqlite3_db_conn, sql_stmt, NULL, NULL,
&sql_strerror);
if (ret != SQLITE_OK) {
gf_msg (GFDB_STR_SQLITE3, GF_LOG_ERROR, 0, LG_MSG_EXEC_FAILED,
"Failed executing: %s : %s", sql_stmt, sql_strerror);
sqlite3_free (sql_strerror);
ret = -1;
goto out;
}
ret = 0;
out:
sql_stmt_fini (&sql_stmt);
return ret;
}
static int
event_unregister_poll (struct event_pool *event_pool, int fd, int idx_hint)
{
int idx = -1;
GF_VALIDATE_OR_GOTO ("event", event_pool, out);
pthread_mutex_lock (&event_pool->mutex);
{
idx = __event_getindex (event_pool, fd, idx_hint);
if (idx == -1) {
gf_msg ("poll", GF_LOG_ERROR, 0, LG_MSG_INDEX_NOT_FOUND,
"index not found for fd=%d (idx_hint=%d)",
fd, idx_hint);
errno = ENOENT;
goto unlock;
}
event_pool->reg[idx] = event_pool->reg[--event_pool->used];
event_pool->changed = 1;
}
unlock:
pthread_mutex_unlock (&event_pool->mutex);
out:
return idx;
}