int lmgr_commit( lmgr_t * p_mgr )
{
if ( lmgr_config.commit_behavior == 0 )
return DB_SUCCESS;
else if ( lmgr_config.commit_behavior == 1 )
return db_exec_sql( &p_mgr->conn, "COMMIT", NULL );
else
{
/* if the transaction count is reached:
* commit operations and result transction count
*/
if ( ( p_mgr->last_commit % lmgr_config.commit_behavior == 0 ) || p_mgr->force_commit )
{
int rc;
rc = db_exec_sql( &p_mgr->conn, "COMMIT", NULL );
if ( rc )
return rc;
p_mgr->last_commit = 0;
}
}
return DB_SUCCESS;
}
int lmgr_get_var(db_conn_t *pconn, const char *varname, char *value, int bufsize)
{
int rc;
result_handle_t result;
char *str_val = NULL;
GString *req = NULL;
if (!varname || !value)
return DB_INVALID_ARG;
req = g_string_new("SELECT value FROM "VAR_TABLE" WHERE varname=");
g_string_append_printf(req, "'%s'", varname);
/* execute the request */
rc = db_exec_sql(pconn, req->str, &result);
if (rc)
goto free_str;
rc = db_next_record(pconn, &result, &str_val, 1);
if (rc == DB_END_OF_LIST)
rc = DB_NOT_EXISTS;
if (rc)
goto free_res;
if (str_val == NULL)
{
rc = DB_REQUEST_FAILED;
goto free_res;
}
/* copy the result */
if (strlen(str_val) >= bufsize)
{
rc = DB_BUFFER_TOO_SMALL;
}
else
{
strcpy(value, str_val);
rc = DB_SUCCESS;
}
free_res:
db_result_free(pconn, &result);
free_str:
g_string_free(req, TRUE);
return rc;
}
/**
* Continue a recovery process (returns an iterator on entry list),
* possibly using the specified filter.
* \retval iterator must be release using ListMgr_CloseIterator()
*/
struct lmgr_iterator_t * ListMgr_RecovResume( lmgr_t * p_mgr,
const char * dir_path,
int retry, /* also retry previously erroneous entries */
const lmgr_iter_opt_t * p_opt )
{
char query[4096];
char * curr;
lmgr_iterator_t * it;
int rc;
strcpy( query, "SELECT id,recov_status,"GET_RECOV_LIST_FIELDS" FROM "RECOV_TABLE" WHERE " );
curr = query + strlen(query);
if ( retry )
curr += sprintf( curr, "(recov_status IS NULL OR recov_status=%u)",
RS_ERROR );
else
curr += sprintf( curr, "recov_status IS NULL" );
if ( dir_path )
{
char rel[RBH_PATH_MAX] = "";
/* Recovery table contains path from DB (<root_id>/<rel_path>),
* and dirpath is absolute. So convert it. */
if (fullpath_attr2db(dir_path, rel))
return NULL;
#ifdef _MYSQL
/* MySQL is case insensitive.
* To force case-sensitivity, use BINARY keyword. */
curr += sprintf( curr, " AND relpath LIKE BINARY '%s/%%'", rel );
#else
curr += sprintf( curr, " AND relpath LIKE '%s/%%'", rel );
#endif
}
/* allocate a new iterator */
it = ( lmgr_iterator_t * ) MemAlloc( sizeof( lmgr_iterator_t ) );
it->p_mgr = p_mgr;
/* execute request */
rc = db_exec_sql( &p_mgr->conn, query, &it->select_result );
if ( rc )
{
MemFree( it );
return NULL;
}
else
return it;
}
int lmgr_flush_commit( lmgr_t * p_mgr )
{
int rc;
if ( ( lmgr_config.commit_behavior > 1 ) && ( p_mgr->last_commit != 0 ) )
{
rc = db_exec_sql( &p_mgr->conn, "COMMIT", NULL );
if ( rc )
return rc;
p_mgr->last_commit = 0;
return DB_SUCCESS;
}
else
return DB_SUCCESS;
}
/* Retrieve the FID from the database given the parent FID and the file name. */
int ListMgr_Get_FID_from_Path( lmgr_t * p_mgr, const entry_id_t * parent_fid,
const char *name, entry_id_t * fid)
{
result_handle_t result;
GString *req = NULL;
char escaped[RBH_NAME_MAX*2+1];
DEF_PK(pk);
int rc;
char *str_info[1];
int retry_status;
entry_id2pk(parent_fid, PTR_PK(pk));
db_escape_string(&p_mgr->conn, escaped, sizeof(escaped), name);
req = g_string_new("SELECT id FROM "DNAMES_TABLE" WHERE pkn=");
g_string_append_printf(req, HNAME_FMT, pk, escaped);
retry:
rc = db_exec_sql(&p_mgr->conn, req->str, &result);
retry_status = lmgr_delayed_retry(p_mgr, rc);
if (retry_status == 1)
goto retry;
else if (retry_status == 2) {
rc = DB_RBH_SIG_SHUTDOWN;
goto free_str;
} else if (rc)
goto free_str;
rc = db_next_record(&p_mgr->conn, &result, str_info, 1);
retry_status = lmgr_delayed_retry(p_mgr, rc);
if (retry_status == 1)
goto retry;
else if (retry_status == 2) {
rc = DB_RBH_SIG_SHUTDOWN;
goto free_res;
} else if (rc != DB_SUCCESS)
goto free_res;
rc = pk2entry_id(p_mgr, str_info[0], fid);
free_res:
db_result_free(&p_mgr->conn, &result);
free_str:
g_string_free(req, TRUE);
return rc;
}
/* check that validator is matching for a given entry */
int ListMgr_CheckStripe( lmgr_t * p_mgr, const entry_id_t * p_id )
{
char query[1024];
char *res;
result_handle_t result;
int rc = DB_SUCCESS;
DEF_PK(pk);
rc = entry_id2pk( p_mgr, p_id, FALSE, PTR_PK(pk) );
if (rc)
return rc;
sprintf( query, "SELECT validator FROM " STRIPE_INFO_TABLE " WHERE id="DPK, pk );
rc = db_exec_sql( &p_mgr->conn, query, &result );
if ( rc )
goto out;
rc = db_next_record( &p_mgr->conn, &result, &res, 1 );
if ( rc == DB_END_OF_LIST )
rc = DB_NOT_EXISTS;
if ( rc )
goto res_free;
if ( res == NULL )
{
rc = DB_ATTR_MISSING;
goto res_free;
}
if ( atoi( res ) != VALID(p_id) )
{
delete_stipe_info( p_mgr, pk );
rc = DB_OUT_OF_DATE;
}
else
rc = DB_SUCCESS;
res_free:
db_result_free( &p_mgr->conn, &result );
out:
return rc;
}
fsal_posixdb_status_t fsal_posixdb_deleteHandle(fsal_posixdb_conn * p_conn, /* IN */
posixfsal_handle_t *
p_parent_directory_handle /* IN */ )
{
/* char handleid_str[MAX_HANDLEIDSTR_SIZE];
char handlets_str[MAX_HANDLETSSTR_SIZE];
const char *paramValues[2]; */
int found;
result_handle_t res;
fsal_posixdb_status_t st;
char query[2048];
BeginTransaction(p_conn);
LogFullDebug(COMPONENT_FSAL, "Deleting %llu.%u\n", p_parent_directory_handle->data.id,
p_parent_directory_handle->data.ts);
snprintf(query, 2048,
"SELECT Handle.deviceid, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype "
"FROM Handle WHERE handleid=%llu AND handlets=%u FOR UPDATE",
p_parent_directory_handle->data.id, p_parent_directory_handle->data.ts);
st = db_exec_sql(p_conn, query, &res);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
found = mysql_num_rows(res);
mysql_free_result(res);
if(found)
{
/* entry found */
st = fsal_posixdb_recursiveDelete(p_conn, p_parent_directory_handle->data.id,
p_parent_directory_handle->data.ts, FSAL_TYPE_DIR);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
}
return EndTransaction(p_conn);
rollback:
RollbackTransaction(p_conn);
return st;
}
/**
* List entries by recovery status.
* \param st type of entries to be listed
* (done, failed, to be done, all)
*/
struct lmgr_iterator_t * ListMgr_RecovList( lmgr_t * p_mgr,recov_type_e st )
{
char query[4096];
char * curr;
lmgr_iterator_t * it;
int rc;
strcpy( query, "SELECT id,recov_status,"GET_RECOV_LIST_FIELDS" FROM "RECOV_TABLE );
curr = query + strlen(query);
switch(st)
{
case RT_ALL:
/* add no filter */
break;
case RT_TODO:
strcpy(curr, " WHERE recov_status is NULL");
break;
case RT_DONE:
sprintf(curr, " WHERE recov_status in (%u, %u, %u, %u, %u)",
RS_FILE_OK, RS_FILE_DELTA, RS_FILE_EMPTY, RS_NON_FILE, RS_NOBACKUP );
break;
case RT_FAILED:
sprintf(curr, " WHERE recov_status=%u", RS_ERROR);
break;
}
/* allocate a new iterator */
it = ( lmgr_iterator_t * ) MemAlloc( sizeof( lmgr_iterator_t ) );
it->p_mgr = p_mgr;
/* execute request */
rc = db_exec_sql( &p_mgr->conn, query, &it->select_result );
if ( rc )
{
MemFree( it );
return NULL;
}
else
return it;
}
int ListMgr_Exists(lmgr_t *p_mgr, const entry_id_t *p_id)
{
GString *req;
int rc;
result_handle_t result;
char *str_count = NULL;
DEF_PK(pk);
/* retrieve primary key */
entry_id2pk(p_id, PTR_PK(pk));
/* verify it exists in main table */
req = g_string_new("SELECT id FROM " MAIN_TABLE " WHERE id=");
g_string_append_printf(req, DPK, pk);
retry:
/* execute the request (must return negative value on error) */
rc = -db_exec_sql(&p_mgr->conn, req->str, &result);
if (lmgr_delayed_retry(p_mgr, -rc))
goto retry;
else if (rc)
goto free_str;
rc = db_next_record(&p_mgr->conn, &result, &str_count, 1);
if (rc == 0)
rc = 1; /* return 1 if entry exists */
else if (rc != DB_END_OF_LIST)
{
if (lmgr_delayed_retry(p_mgr, -rc))
goto retry;
}
else
rc = 0;
db_result_free(&p_mgr->conn, &result);
free_str:
g_string_free(req, TRUE);
return rc;
}
int ListMgr_Exists( lmgr_t * p_mgr, const entry_id_t * p_id )
{
char request[4096];
int rc;
result_handle_t result;
char *str_count = NULL;
DEF_PK( pk );
/* retrieve primary key */
entry_id2pk(p_id, PTR_PK(pk));
/* verify it exists in main table */
sprintf( request, "SELECT id FROM " MAIN_TABLE " WHERE id="DPK, pk );
retry:
/* execute the request */
rc = db_exec_sql(&p_mgr->conn, request, &result);
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
else if (rc)
return -rc;
rc = db_next_record( &p_mgr->conn, &result, &str_count, 1 );
if (rc == 0)
rc = 1;
else if (rc != DB_END_OF_LIST)
{
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
rc = -rc;
}
else
rc = 0;
db_result_free( &p_mgr->conn, &result );
return rc;
}
/* Retrieve the FID from the database given the parent FID and the file name. */
int ListMgr_Get_FID_from_Path( lmgr_t * p_mgr, const entry_id_t * parent_fid,
const char *name, entry_id_t * fid)
{
result_handle_t result;
char query[4096];
char escaped[RBH_NAME_MAX*2];
DEF_PK(pk);
int rc;
char *str_info[1];
entry_id2pk(parent_fid, PTR_PK(pk));
db_escape_string(&p_mgr->conn, escaped, RBH_NAME_MAX*2, name);
sprintf(query, "SELECT id FROM "DNAMES_TABLE" WHERE pkn="HNAME_FMT,
pk, escaped);
retry:
rc = db_exec_sql(&p_mgr->conn, query, &result);
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
else if (rc)
return rc;
rc = db_next_record( &p_mgr->conn, &result, str_info, 1 );
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
else if (rc != DB_SUCCESS)
goto free_res;
rc = pk2entry_id(p_mgr, str_info[0], fid);
free_res:
db_result_free( &p_mgr->conn, &result );
return rc;
}
int ListMgr_EntryCount(lmgr_t * p_mgr, uint64_t *count)
{
int rc;
result_handle_t result;
char *str_count = NULL;
/* execute the request */
retry:
rc = db_exec_sql( &p_mgr->conn, "SELECT COUNT(*) FROM " MAIN_TABLE, &result );
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
else if (rc)
return rc;
rc = db_next_record( &p_mgr->conn, &result, &str_count, 1 );
if (rc)
return rc;
if ( sscanf( str_count, "%"SCNu64, count ) != 1 )
rc = DB_REQUEST_FAILED;
db_result_free( &p_mgr->conn, &result );
return rc;
}
int insert_stripe_info( lmgr_t * p_mgr, PK_ARG_T pk,
int validator, const stripe_info_t * p_stripe,
const stripe_items_t * p_items,
int update_if_exists )
{
int i, rc;
int created = FALSE;
if ( p_stripe == NULL )
return DB_INVALID_ARG;
do
{
char short_query[4096];
/* First insert info into STRIPE_INFO_TABLE,
* so if a file is already present with the same id,
* we will remove its previous stripe info */
sprintf( short_query, "INSERT INTO " STRIPE_INFO_TABLE
"(id,validator, stripe_count,stripe_size,pool_name) "
"VALUES ("DPK",%u,%u,%u,'%s')", pk, validator,
p_stripe->stripe_count, ( unsigned int ) p_stripe->stripe_size,
p_stripe->pool_name );
if ( update_if_exists )
rc = db_exec_sql_quiet( &p_mgr->conn, short_query, NULL );
else
rc = db_exec_sql( &p_mgr->conn, short_query, NULL );
if ( rc == 0 )
{
created = TRUE;
}
else if ( (rc == DB_ALREADY_EXISTS) && update_if_exists )
{
/* remove previous stripe info */
DisplayLog( LVL_EVENT, LISTMGR_TAG,
"A stripe info already exists with this identifier, removing it" );
rc = delete_stipe_info( p_mgr, pk );
}
if ( rc != 0 )
{
DisplayLog( LVL_CRIT, LISTMGR_TAG,
"DB query failed in %s line %d: code=%d: %s",
__FUNCTION__, __LINE__, rc, db_errmsg( &p_mgr->conn, short_query, 4096 ) );
return rc;
}
}
while ( !created ); /* retry loop in case a similar entry already exists */
/* then insert stripe items */
if ( (p_items != NULL) && (p_items->count > 0) )
{
ssize_t len;
unsigned int est_len;
char *query = NULL;
/* estimate query size = fix part + stripe_count * ( 4 + pklen + ost_idx_len )
* = ~64(oversize to 128) + stripe_count * 4 + 128
*/
est_len = 128 + p_items->count * 128;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Estimated query size for %u stripe = %u", p_items->count, est_len );
query = MemAlloc(est_len);
if (query == NULL) {
DisplayLog( LVL_CRIT, LISTMGR_TAG, "Not enough memory to build SQL query (length = %u)", est_len );
return DB_NO_MEMORY;
}
strcpy( query, "INSERT INTO " STRIPE_ITEMS_TABLE "(id, storage_item) VALUES " );
len = strlen( query );
/* first stripe item */
len += snprintf( query + len, est_len - len, "("DPK",%u)", pk, p_items->stripe_units[0] );
/* next items */
for ( i = 1; i < p_items->count; i++ )
{
len += snprintf( query + len, est_len - len, ",("DPK",%u)", pk, p_items->stripe_units[i] );
if ( len >= est_len )
{
DisplayLog( LVL_CRIT, LISTMGR_TAG,
"Error in %s(): query too long (>%u bytes long), stripe_count=%d",
__FUNCTION__, est_len, p_items->count );
MemFree( query );
return DB_BUFFER_TOO_SMALL;
}
}
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
{
DisplayLog( LVL_CRIT, LISTMGR_TAG,
"DB query failed in %s line %d: code=%d: %s",
__FUNCTION__, __LINE__, rc, db_errmsg( &p_mgr->conn, query, 4096 ) );
MemFree( query );
return rc;
}
MemFree( query );
}
return 0;
}
int listmgr_batch_insert_no_tx(lmgr_t * p_mgr, entry_id_t **p_ids,
attr_set_t **p_attrs,
unsigned int count,
int update_if_exists)
{
int rc = 0;
int i, full_mask;
char fields[1024]; /* field list */
pktype *pklist = NULL;
var_str query = VAR_STR_NULL;
char values[4096] = "";
char *values_curr = NULL;
bool first;
/* fake attribute struct, to write generic name fields */
attr_set_t fake_attrs = *(p_attrs[0]);
full_mask = sum_masks(p_attrs, count, ~0);
fake_attrs.attr_mask = full_mask;
pklist = (pktype *)MemCalloc(count, sizeof(pktype));
if (pklist == NULL)
return DB_NO_MEMORY;
for (i = 0; i < count; i++)
{
/* check attr mask */
if (!lmgr_batch_compat(full_mask, p_attrs[i]->attr_mask))
{
DisplayLog(LVL_MAJOR, LISTMGR_TAG, "Incompatible attr mask in batched operation: %#x vs. %#x",
p_attrs[i]->attr_mask, full_mask);
rc = DB_INVALID_ARG;
goto out_free;
}
/* fill pk array */
entry_id2pk(p_ids[i], PTR_PK(pklist[i])); /* The same for all tables? */
}
/* build batch request for main table */
attrmask2fieldlist(fields, full_mask, T_MAIN, TRUE, FALSE, "", "");
var_str_append(&query, "INSERT INTO " MAIN_TABLE "(id");
var_str_append(&query, fields);
var_str_append(&query, ") VALUES ");
first = true;
for (i = 0; i < count; i++)
{
/* don't set this entry if no attribute is in main table */
if ((p_attrs[i]->attr_mask & main_attr_set) == 0)
continue;
values_curr = values + sprintf(values, DPK, pklist[i]);
attrset2valuelist(p_mgr, values_curr, p_attrs[i], T_MAIN, TRUE);
/* add "[,](values)" to query */
var_str_append(&query, first ? "(" : ",(");
var_str_append(&query, values);
var_str_append(&query, ")");
first = false;
}
if (update_if_exists)
{
/* append "on duplicate key ..." */
attrset2updatelist(p_mgr, values, &fake_attrs, T_MAIN, FALSE, TRUE);
var_str_append(&query, " ON DUPLICATE KEY UPDATE ");
var_str_append(&query, values);
}
rc = db_exec_sql(&p_mgr->conn, VAR_STR_START(query), NULL);
if (rc)
goto out_free;
var_str_reset(&query);
/* allow inserting entries in MAIN_TABLE, without name information */
/* both parent and name are defined */
if ((full_mask & ATTR_MASK_name) && (full_mask & ATTR_MASK_parent_id))
{
/* build batch request for names table */
attrmask2fieldlist(fields, full_mask, T_DNAMES, TRUE, FALSE, "", "");
var_str_append(&query, "INSERT INTO " DNAMES_TABLE "(id");
var_str_append(&query, fields);
var_str_append(&query, ",pkn) VALUES ");
first = true;
for (i = 0; i < count; i++)
{
/* don't set this entry if parent or name is missing */
if (!ATTR_MASK_TEST(p_attrs[i], name) || !ATTR_MASK_TEST(p_attrs[i], parent_id))
{
/* warn for create operations without name information */
if (!update_if_exists)
no_name_warning(pklist[i], p_attrs[i], 1);
continue;
}
values_curr = values + sprintf(values, DPK, pklist[i]);
attrset2valuelist(p_mgr, values_curr, p_attrs[i], T_DNAMES, TRUE);
/* add "[,](values,<pk>)" to query */
var_str_append(&query, first ? "(" : ",(");
var_str_append(&query, values);
var_str_append(&query, ","HNAME_DEF")");
first = false;
}
values_curr = values + sprintf(values, "id=VALUES(id)"); /* not part of the PK */
attrset2updatelist(p_mgr, values_curr, &fake_attrs, T_DNAMES, TRUE, TRUE);
var_str_append(&query, " ON DUPLICATE KEY UPDATE ");
var_str_append(&query, values);
rc = db_exec_sql(&p_mgr->conn, VAR_STR_START(query), NULL);
if (rc)
goto out_free;
} else if (!update_if_exists) { /* only warn for create operations */
/* if we get here, the name information is missing in all fields.
* use entry[0] as example for the warning message. */
no_name_warning(pklist[0], p_attrs[0], count);
}
var_str_reset(&query);
/* insert all info in annex table, if any */
if (annex_table && (full_mask & annex_attr_set))
{
/* Create field and values lists.
* Do nothing if no fields are to be set.
*/
if (attrmask2fieldlist(fields, full_mask, T_ANNEX, TRUE, FALSE, "", "") > 0)
{
var_str_append(&query, "INSERT INTO "ANNEX_TABLE "(id");
var_str_append(&query, fields);
var_str_append(&query, ") VALUES ");
first = true;
for (i = 0; i < count; i++)
{
char values[4096] = "";
char *values_curr = NULL;
/* don't set this entry if no attribute is in annex table */
if ((p_attrs[i]->attr_mask & annex_attr_set) == 0)
continue;
sprintf(values, DPK, pklist[i]);
values_curr = values + strlen(values);
attrset2valuelist(p_mgr, values_curr, p_attrs[i], T_ANNEX, TRUE);
/* add "[,](values)" to query */
var_str_append(&query, first ? "(" : ",(");
var_str_append(&query, values);
var_str_append(&query, ")");
first = false;
}
/* always update as having the entry in the main table
* is the reference to know if we knew the entry */
/* append "on duplicate key ..." */
attrset2updatelist(p_mgr, values, &fake_attrs, T_ANNEX, FALSE, TRUE);
var_str_append(&query, " ON DUPLICATE KEY UPDATE ");
var_str_append(&query, values);
rc = db_exec_sql(&p_mgr->conn, VAR_STR_START(query), NULL);
if (rc)
goto out_free;
}
}
#ifdef _LUSTRE
/* batch insert of striping info */
if (ATTR_MASK_TEST(&fake_attrs, stripe_info) || ATTR_MASK_TEST(&fake_attrs, stripe_items))
{
/* create validator list */
int *validators = (int*)MemCalloc(count, sizeof(int));
if (!validators)
{
rc = DB_NO_MEMORY;
goto out_free;
}
for (i = 0; i < count; i++)
#ifdef HAVE_LLAPI_FSWAP_LAYOUTS
validators[i] = ATTR_MASK_TEST(p_attrs[i], stripe_info)?
ATTR(p_attrs[i],stripe_info).validator:VALID_NOSTRIPE;
#else
validators[i] = VALID(p_ids[i]);
#endif
rc = batch_insert_stripe_info(p_mgr, pklist, validators, p_attrs,
count, TRUE);
MemFree(validators);
if (rc)
goto out_free;
}
#endif
out_free:
var_str_free(&query);
MemFree(pklist);
return rc;
}
int get_stripe_info( lmgr_t * p_mgr, PK_ARG_T pk, stripe_info_t * p_stripe_info,
stripe_items_t * p_items )
{
char query[1024];
char *res[3];
result_handle_t result;
int i;
int rc = DB_SUCCESS;
/* retrieve basic stripe info */
sprintf( query,
"SELECT stripe_count, stripe_size, pool_name FROM " STRIPE_INFO_TABLE " WHERE id="DPK,
pk );
rc = db_exec_sql( &p_mgr->conn, query, &result );
if ( rc )
goto out;
rc = db_next_record( &p_mgr->conn, &result, res, 3 );
if ( rc == DB_END_OF_LIST )
rc = DB_NOT_EXISTS;
if ( rc )
goto res_free;
if ( res[0] == NULL || res[1] == NULL || res[2] == NULL )
{
rc = DB_ATTR_MISSING;
goto res_free;
}
p_stripe_info->stripe_count = atoi( res[0] );
p_stripe_info->stripe_size = atoi( res[1] );
strncpy( p_stripe_info->pool_name, res[2], MAX_POOL_LEN );
db_result_free( &p_mgr->conn, &result );
if ( p_items )
{
/* retrieve stripe list */
sprintf( query, "SELECT storage_item FROM " STRIPE_ITEMS_TABLE " WHERE id="DPK, pk );
rc = db_exec_sql( &p_mgr->conn, query, &result );
if ( rc )
goto out;
if ( p_stripe_info->stripe_count != db_result_nb_records( &p_mgr->conn, &result ) )
{
DisplayLog( LVL_MAJOR, LISTMGR_TAG,
"Warning: the number of stripe items (%d) doesn't match stripe count (%u)! (Pk="DPK")",
db_result_nb_records( &p_mgr->conn, &result ), p_stripe_info->stripe_count, pk );
}
p_items->count = db_result_nb_records( &p_mgr->conn, &result );
if ( p_items->count > 0 )
{
/* allocate stripe array */
p_items->stripe_units = MemCalloc( p_items->count, sizeof( storage_unit_id_t ) );
if ( !p_items->stripe_units )
{
rc = DB_NO_MEMORY;
goto res_free;
}
/* fill stripe units */
for ( i = 0; i < p_items->count; i++ )
{
rc = db_next_record( &p_mgr->conn, &result, res, 1 );
if ( rc )
goto stripe_free;
if ( res[0] == NULL )
{
rc = DB_ATTR_MISSING;
goto stripe_free;
}
p_items->stripe_units[i] = atoi( res[0] );
}
}
else
p_items->stripe_units = NULL;
/* last query result must be freed */
rc = DB_SUCCESS;
goto res_free;
}
/* nothing to free */
return DB_SUCCESS;
stripe_free:
MemFree( p_items->stripe_units );
p_items->stripe_units = NULL;
p_items->count = 0;
p_stripe_info->stripe_count = 0;
res_free:
db_result_free( &p_mgr->conn, &result );
out:
return rc;
}
int db_exec_sql_quiet( db_conn_t * conn, const char *query, result_handle_t * p_result )
{
return db_exec_sql( conn, query, p_result);
}
fsal_posixdb_status_t fsal_posixdb_getInfoFromHandle(fsal_posixdb_conn * p_conn, /* IN */
posixfsal_handle_t * p_object_handle, /* IN/OUT */
fsal_path_t * p_paths, /* OUT */
int paths_size, /* IN */
int *p_count /* OUT */ )
{
fsal_posixdb_status_t st;
result_handle_t res;
MYSQL_ROW row;
posixfsal_handle_t parent_directory_handle;
int i_path;
int toomanypaths = 0;
char query[2048];
/* sanity check */
if(!p_conn || !p_object_handle || ((!p_paths || !p_count) && paths_size > 0))
{
ReturnCodeDB(ERR_FSAL_POSIXDB_FAULT, 0);
}
LogFullDebug(COMPONENT_FSAL, "OBJECT_ID=%lli\n", p_object_handle->data.id);
BeginTransaction(p_conn);
/* lookup for the handle of the file */
if(!fsal_posixdb_GetInodeCache(p_object_handle))
{
snprintf(query, 2048,
"SELECT Handle.deviceid, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype "
"FROM Handle WHERE handleid=%llu AND handlets=%u", p_object_handle->data.id,
p_object_handle->data.ts);
st = db_exec_sql(p_conn, query, &res);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
/* p_res contains : Handle.deviceId, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype */
LogDebug(COMPONENT_FSAL, "lookupHandle(%llu,%u)", p_object_handle->data.id,
(unsigned int)p_object_handle->data.ts);
if((mysql_num_rows(res) != 1) || ((row = mysql_fetch_row(res)) == NULL))
{
LogDebug(COMPONENT_FSAL, "lookupHandle=%d entries", mysql_num_rows(res));
mysql_free_result(res);
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_NOENT, 0);
}
posixdb_internal_fillFileinfoFromStrValues(&(p_object_handle->data.info),
row[0], row[1], row[2], row[3], row[4]);
mysql_free_result(res);
/* update the inode */
fsal_posixdb_UpdateInodeCache(p_object_handle);
}
/* Build the paths of the object */
if(p_paths)
{
/* find all the paths to the object */
snprintf(query, 2048, "SELECT name, handleidparent, handletsparent "
"FROM Parent WHERE handleid=%llu AND handlets=%u",
p_object_handle->data.id, p_object_handle->data.ts);
st = db_exec_sql(p_conn, query, &res);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
/* res contains name, handleidparent, handletsparent */
*p_count = mysql_num_rows(res);
if(*p_count == 0)
{
mysql_free_result(res);
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_NOPATH, 0);
}
else if(*p_count > paths_size)
{
toomanypaths = 1;
LogCrit(COMPONENT_FSAL, "Too many paths found for object %llu.%u: found=%u, max=%d",
p_object_handle->data.id, p_object_handle->data.ts, *p_count, paths_size);
*p_count = paths_size;
}
for(i_path = 0; i_path < *p_count; i_path++)
{
unsigned int tmp_len;
row = mysql_fetch_row(res);
if(row == NULL)
{
mysql_free_result(res);
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_FAULT, 0);
}
/* build the path of the parent directory */
parent_directory_handle.data.id = atoll(row[1]);
parent_directory_handle.data.ts = atoi(row[2]);
st = fsal_posixdb_buildOnePath(p_conn, &parent_directory_handle,
&p_paths[i_path]);
if(FSAL_POSIXDB_IS_ERROR(st))
goto free_res;
tmp_len = p_paths[i_path].len;
if((tmp_len > 0) && (p_paths[i_path].path[tmp_len - 1] == '/'))
{
/* then concatenate the name of the file */
/* but not concatenate '/' */
if((tmp_len + strlen(row[0]) >= FSAL_MAX_PATH_LEN))
{
mysql_free_result(res);
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_PATHTOOLONG, 0);
}
strcpy(&p_paths[i_path].path[tmp_len], row[0]);
p_paths[i_path].len += strlen(row[0]);
}
else
{
/* then concatenate the name of the file */
if((tmp_len + 1 + strlen(row[0]) >= FSAL_MAX_PATH_LEN))
{
mysql_free_result(res);
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_PATHTOOLONG, 0);
}
p_paths[i_path].path[tmp_len] = '/';
strcpy(&p_paths[i_path].path[tmp_len + 1], row[0]);
p_paths[i_path].len += 1 + strlen(row[0]);
}
/* insert the object into cache */
fsal_posixdb_CachePath(p_object_handle, &p_paths[i_path]);
}
mysql_free_result(res);
}
st = EndTransaction(p_conn);
if(toomanypaths)
ReturnCodeDB(ERR_FSAL_POSIXDB_TOOMANYPATHS, 0);
else
return st;
free_res:
mysql_free_result(res);
rollback:
RollbackTransaction(p_conn);
return st;
}
fsal_posixdb_status_t fsal_posixdb_getInfoFromName(fsal_posixdb_conn * p_conn, /* IN */
posixfsal_handle_t * p_parent_directory_handle, /* IN/OUT */
fsal_name_t * p_objectname, /* IN */
fsal_path_t * p_path, /* OUT */
posixfsal_handle_t *
p_handle /* OUT */ )
{
fsal_posixdb_status_t st;
char query[2048];
result_handle_t res;
MYSQL_ROW row;
/* sanity check */
if(!p_conn || !p_handle)
{
ReturnCodeDB(ERR_FSAL_POSIXDB_FAULT, 0);
}
LogFullDebug(COMPONENT_FSAL, "object_name='%s'\n", p_objectname->name ? p_objectname->name : "/");
BeginTransaction(p_conn);
/* lookup for the handle of the file */
if(p_parent_directory_handle && p_parent_directory_handle->data.id)
{
snprintf(query, 2048,
"SELECT Parent.handleid, Parent.handlets, Handle.deviceid, "
"Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype "
"FROM Parent INNER JOIN Handle ON Parent.handleid = Handle.handleid AND Parent.handlets=Handle.handlets "
"WHERE handleidparent=%llu AND handletsparent=%u AND name='%s'",
p_parent_directory_handle->data.id,
p_parent_directory_handle->data.ts, p_objectname->name);
st = db_exec_sql(p_conn, query, &res);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
}
else
{
/* get root handle: */
st = db_exec_sql(p_conn,
"SELECT Parent.handleid, Parent.handlets, Handle.deviceid, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype "
"FROM Parent INNER JOIN Handle ON Parent.handleid = Handle.handleid AND Parent.handlets=Handle.handlets "
"WHERE Parent.handleidparent=Parent.handleid AND Parent.handletsparent=Parent.handlets",
&res);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
}
/* res contains : Parent.handleid, Parent.handlets, Handle.deviceid, Handle.inode, Handle.nlink, Handle.ctime, Handle.ftype */
/* entry not found */
if((mysql_num_rows(res) != 1) || ((row = mysql_fetch_row(res)) == NULL))
{
mysql_free_result(res);
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_NOENT, 0);
}
p_handle->data.id = atoll(row[0]);
p_handle->data.ts = atoi(row[1]);
posixdb_internal_fillFileinfoFromStrValues(&(p_handle->data.info), row[2], row[3], /* devid, inode */
row[4], /* nlink */
row[5], /* ctime */
row[6]); /* ftype */
mysql_free_result(res);
/* Build the path of the object */
if(p_path && p_objectname)
{
/* build the path of the Parent */
st = fsal_posixdb_buildOnePath(p_conn, p_parent_directory_handle, p_path);
if(FSAL_POSIXDB_IS_ERROR(st))
goto rollback;
/* then concatenate the filename */
if(!(p_path->len + 1 + p_objectname->len < FSAL_MAX_PATH_LEN))
{
RollbackTransaction(p_conn);
ReturnCodeDB(ERR_FSAL_POSIXDB_PATHTOOLONG, 0);
}
p_path->path[p_path->len] = '/';
strcpy(&p_path->path[p_path->len + 1], p_objectname->name);
p_path->len += 1 + p_objectname->len;
/* add the the path to cache */
fsal_posixdb_CachePath(p_handle, p_path);
}
else
{
/* update handle if it was in cache */
fsal_posixdb_UpdateInodeCache(p_handle);
}
return EndTransaction(p_conn);
rollback:
RollbackTransaction(p_conn);
return st;
}
int ListMgr_Update( lmgr_t * p_mgr, const entry_id_t * p_id, const attr_set_t * p_update_set )
{
int rc, main_count, annex_count;
char query[4096];
char fields[4096];
char annex_fields[4096];
DEF_PK(pk);
int nb_tables = 0;
/* read only fields in info mask? */
if ( readonly_attr_set & p_update_set->attr_mask )
{
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "Error: trying to update read only values: attr_mask=%#x",
readonly_attr_set & p_update_set->attr_mask );
return DB_INVALID_ARG;
}
rc = entry_id2pk( p_mgr, p_id, FALSE, PTR_PK(pk) );
if (rc)
return rc;
/* check how many tables are to be updated */
if ( main_fields( p_update_set->attr_mask ) )
{
main_count = attrset2updatelist( p_mgr, fields, p_update_set, T_MAIN, FALSE );
if ( main_count < 0 )
return -main_count;
if ( main_count > 0 )
nb_tables++;
}
else
main_count = 0;
if ( annex_table && annex_fields( p_update_set->attr_mask ) )
{
annex_count = attrset2updatelist( p_mgr, annex_fields, p_update_set, T_ANNEX, FALSE );
if ( annex_count < 0 )
return -annex_count;
if ( annex_count > 0 )
nb_tables++;
}
else
annex_count = 0;
if ( stripe_fields( p_update_set->attr_mask ) )
nb_tables += 2;
/* if only 1 table is impacted, switch to autocommit mode */
if ( nb_tables > 1 )
{
/* @todo in the case of sqlite, we may want to do periodic commit
* instead of systematic one. */
rc = lmgr_begin( p_mgr );
if ( rc )
return rc;
}
/* update main table */
if ( main_count > 0 )
{
sprintf( query, "UPDATE " MAIN_TABLE " SET %s WHERE id="DPK, fields, pk );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
}
/* update annex table (if any) */
if ( annex_count > 0 )
{
sprintf( query, "UPDATE " ANNEX_TABLE " SET %s WHERE id="DPK, annex_fields, pk );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
}
/* insert new stripe info if provided (and eventually remove previous values) */
if ( ATTR_MASK_TEST( p_update_set, stripe_info ) )
{
rc = insert_stripe_info( p_mgr, pk, VALID(p_id), &ATTR( p_update_set, stripe_info ),
ATTR_MASK_TEST( p_update_set, stripe_items ) ?
&ATTR( p_update_set, stripe_items ) : NULL, TRUE );
if ( rc )
goto rollback;
}
if ( nb_tables > 1 )
return lmgr_commit( p_mgr );
else
return DB_SUCCESS;
rollback:
lmgr_rollback( p_mgr );
return rc;
}
/**
* Get the list of children of a given parent (or list of parents).
* \param parent_list [in] list of parents to get the child of
* \param parent_count [in] number of ids in parent list
* \param attr_mask [in] required attributes for children
* \param child_id_list [out] ptr to array of child ids
* \param child_attr_list [out] ptr to array of child attrs
* \param child_count [out] number of returned children
*/
int ListMgr_GetChild(lmgr_t *p_mgr, const lmgr_filter_t *p_filter,
const wagon_t *parent_list, unsigned int parent_count,
attr_mask_t attr_mask,
wagon_t **child_id_list, attr_set_t **child_attr_list,
unsigned int *child_count)
{
result_handle_t result;
char *path = NULL;
int path_len;
int rc, i;
GString *req = NULL;
GString *fields = NULL;
GString *from = NULL;
GString *where = NULL;
struct field_count field_cnt = {0};
struct field_count filter_cnt = {0};
table_enum query_tab = T_DNAMES;
bool distinct = false;
int retry_status;
/* XXX: querying children from several parent cannot work, since
* we need to get the paths of the children. Or we could do a
* lookup into parent_list to find the right one. In the meantime,
* try not to mess up the code. */
if (unlikely(parent_count != 1))
RBH_BUG("cannot get children for several parent simultaneously");
/* always request for name to build fullpath in wagon */
attr_mask_set_index(&attr_mask, ATTR_INDEX_name);
fields = g_string_new(NULL);
/* append fields for all tables */
if (!attr_mask_is_null(attr_mask))
{
/* retrieve source info for generated fields */
add_source_fields_for_gen(&attr_mask.std);
field_cnt.nb_names = attrmask2fieldlist(fields, attr_mask, T_DNAMES,
DNAMES_TABLE".", "",
AOF_LEADING_SEP);
field_cnt.nb_main = attrmask2fieldlist(fields, attr_mask, T_MAIN,
MAIN_TABLE".", "",
AOF_LEADING_SEP);
field_cnt.nb_annex = attrmask2fieldlist(fields, attr_mask, T_ANNEX,
ANNEX_TABLE".", "",
AOF_LEADING_SEP);
}
else
{
/* no returned attrs */
if (child_attr_list != NULL)
*child_attr_list = NULL;
}
where = g_string_new(NULL);
/* starts with condition on parent */
rc = append_parent_cond(p_mgr, where, parent_list, parent_count, DNAMES_TABLE".");
if (rc != DB_SUCCESS)
goto free_str;
/* check filters on other tables */
if (!no_filter(p_filter))
{
if (unlikely(dir_filter(p_mgr, NULL, p_filter, NULL, NULL) != FILTERDIR_NONE))
{
DisplayLog(LVL_MAJOR, LISTMGR_TAG, "Directory filter not supported in %s()", __func__);
rc = DB_NOT_SUPPORTED;
goto free_str;
}
else if (unlikely(func_filter(p_mgr, NULL, p_filter, T_MAIN, 0)))
{
DisplayLog(LVL_MAJOR, LISTMGR_TAG, "Function filter not supported in %s()", __func__);
rc = DB_NOT_SUPPORTED;
goto free_str;
}
/* There is always a filter on T_DNAMES, which is the parent condition.
* Look for optional filters.
*/
filter_where(p_mgr, p_filter, &filter_cnt, where,
AOF_LEADING_SEP | AOF_SKIP_NAME);
/** @FIXME process other filters on NAMES */
}
from = g_string_new(DNAMES_TABLE);
/* add filter_count + field_count to build the FROM clause.
* Preserve field count which is needed to interpret the result.
*/
filter_cnt.nb_main += field_cnt.nb_main;
filter_cnt.nb_annex += field_cnt.nb_annex;
filter_cnt.nb_names += field_cnt.nb_names;
/* query tab is DNAMES, skip_name=true, is_first_tab=T_DNAMES */
filter_from(p_mgr, &filter_cnt, from, &query_tab, &distinct,
AOF_LEADING_SEP | AOF_SKIP_NAME);
/* request is always on the DNAMES table (which contains [parent_id, id] relationship */
if (distinct)
req = g_string_new("SELECT DISTINCT("DNAMES_TABLE".id) as id");
else
req = g_string_new("SELECT "DNAMES_TABLE".id as id");
/* build the whole request */
g_string_append_printf(req, "%s FROM %s WHERE %s", fields->str, from->str, where->str);
retry:
rc = db_exec_sql(&p_mgr->conn, req->str, &result);
retry_status = lmgr_delayed_retry(p_mgr, rc);
if (retry_status == 1)
goto retry;
else if (retry_status == 2) {
rc = DB_RBH_SIG_SHUTDOWN;
goto free_str;
} else if (rc)
goto free_str;
/* copy result to output structures */
*child_count = db_result_nb_records(&p_mgr->conn, &result);
/* allocate entry_id array */
*child_id_list = MemCalloc(*child_count, sizeof(wagon_t));
if (*child_id_list == NULL)
{
rc = DB_NO_MEMORY;
goto free_str;
}
if (child_attr_list)
{
*child_attr_list = MemCalloc(*child_count, sizeof(attr_set_t));
if (*child_attr_list == NULL)
{
rc = DB_NO_MEMORY;
goto array_free;
}
}
/* Allocate a string long enough to contain the parent path and a
* child name. */
path_len = strlen(parent_list[0].fullname) + RBH_NAME_MAX + 2;
path = malloc(path_len);
if (!path) {
DisplayLog(LVL_MAJOR, LISTMGR_TAG, "Can't alloc enough memory (%d bytes)",
path_len);
rc = DB_NO_MEMORY;
goto array_free;
}
for (i = 0; i < *child_count; i++)
{
char *res[128]; /* 128 fields per record is large enough */
rc = db_next_record(&p_mgr->conn, &result, res, sizeof(res)/sizeof(*res));
if (rc)
goto array_free;
/* copy id to array */
pk2entry_id(p_mgr, res[0], &((*child_id_list)[i].id));
/* copy attributes to array */
if (child_attr_list)
{
unsigned int shift = 1; /* first was NAMES.id */
(*child_attr_list)[i].attr_mask = attr_mask;
/* first id, then dnames attrs, then main attrs, then annex attrs */
if (field_cnt.nb_names > 0)
{
/* shift of 1 for id */
rc = result2attrset(T_DNAMES, res + shift, field_cnt.nb_names, &((*child_attr_list)[i]));
if (rc)
goto array_free;
shift += field_cnt.nb_names;
}
if (field_cnt.nb_main > 0)
{
/* first id, then main attrs, then annex attrs */
/* shift of 1 for id */
rc = result2attrset(T_MAIN, res + shift, field_cnt.nb_main, &((*child_attr_list)[i]));
if (rc)
goto array_free;
shift += field_cnt.nb_main;
}
if (field_cnt.nb_annex > 0)
{
/* shift of main_attrs count */
rc = result2attrset(T_ANNEX, res + shift, field_cnt.nb_annex,
&((*child_attr_list)[i]));
if (rc)
goto array_free;
shift += field_cnt.nb_annex;
}
#ifdef _LUSTRE
if (stripe_fields(attr_mask))
{
if (get_stripe_info(p_mgr, res[0], &ATTR(&(*child_attr_list)[i], stripe_info),
&ATTR(&(*child_attr_list)[i], stripe_items)))
{
ATTR_MASK_UNSET(&(*child_attr_list)[i], stripe_info);
ATTR_MASK_UNSET(&(*child_attr_list)[i], stripe_items);
}
}
#endif
generate_fields(&((*child_attr_list)[i]));
/* Note: path is properly sized already to not overflow. */
snprintf(path, path_len, "%s/%s", parent_list[0].fullname,
(*child_attr_list)[i].attr_values.name);
(*child_id_list)[i].fullname = strdup(path);
}
}
if (path)
free(path);
db_result_free(&p_mgr->conn, &result);
g_string_free(req, TRUE);
g_string_free(fields, TRUE);
g_string_free(from, TRUE);
g_string_free(where, TRUE);
return 0;
array_free:
if (path)
free(path);
if (child_attr_list && *child_attr_list)
{
MemFree(*child_attr_list);
*child_attr_list = NULL;
}
MemFree(*child_id_list);
*child_id_list = NULL;
free_str:
g_string_free(req, TRUE);
g_string_free(fields, TRUE);
g_string_free(from, TRUE);
g_string_free(where, TRUE);
return rc;
}
/**
* Retrieve entry attributes from its primary key
*/
int listmgr_get_by_pk( lmgr_t * p_mgr, PK_ARG_T pk, attr_set_t * p_info )
{
int rc;
char *first_table = NULL;
GString *req, *from;
/* attribute count is up to 1 per bit (8 per byte).
* x2 for bullet proofing */
char *result_tab[2*8*sizeof(p_info->attr_mask)];
result_handle_t result;
bool checkmain = true;
int main_count = 0,
annex_count = 0,
name_count = 0;
attr_mask_t gen = gen_fields(p_info->attr_mask);
if (p_info == NULL)
return 0;
/* init entry info */
memset(&p_info->attr_values, 0, sizeof(entry_info_t));
req = g_string_new("SELECT ");
from = g_string_new(" FROM ");
/* retrieve source info for generated fields (only about std fields)*/
add_source_fields_for_gen(&p_info->attr_mask.std);
/* don't get fields that are not in main, names, annex, stripe...
* This allows the caller to set all bits 'on' to get everything.
* Note: this also clear generated fields. They will be restored after.
*/
supported_bits_only(&p_info->attr_mask);
/* get info from main table (if asked) */
main_count = attrmask2fieldlist(req, p_info->attr_mask, T_MAIN, "", "", 0);
if (main_count < 0)
{
rc = -main_count;
goto free_str;
}
else if (main_count > 0)
{
checkmain = false;
first_table = MAIN_TABLE;
g_string_append(from, MAIN_TABLE);
}
annex_count = attrmask2fieldlist(req, p_info->attr_mask, T_ANNEX, "", "",
first_table != NULL ? AOF_LEADING_SEP : 0);
if (annex_count < 0)
{
rc = -annex_count;
goto free_str;
}
else if (annex_count > 0)
{
if (first_table != NULL)
g_string_append_printf(from, " LEFT JOIN "ANNEX_TABLE" ON %s.id="
ANNEX_TABLE".id", first_table);
else
{
first_table = ANNEX_TABLE;
g_string_append(from, ANNEX_TABLE);
}
}
name_count = attrmask2fieldlist(req, p_info->attr_mask, T_DNAMES, "", "",
first_table != NULL ? AOF_LEADING_SEP : 0);
if (name_count < 0)
{
rc = -name_count;
goto free_str;
}
else if (name_count > 0)
{
if (first_table)
/* it's OK to JOIN with NAMES table here even if there are multiple paths,
* as we only take one result record. The important thing is to return
* consistent values for parent_id, name and fullpath. */
g_string_append_printf(from, " LEFT JOIN "DNAMES_TABLE" ON %s.id="
DNAMES_TABLE".id", first_table);
else
{
first_table = DNAMES_TABLE;
g_string_append(from, DNAMES_TABLE);
}
}
if (first_table != NULL)
{
int shift = 0;
g_string_append_printf(req, "%s WHERE %s.id="DPK, from->str,
first_table, pk);
rc = db_exec_sql(&p_mgr->conn, req->str, &result);
if (rc)
goto free_str;
rc = db_next_record(&p_mgr->conn, &result, result_tab,
main_count + annex_count + name_count);
/* END_OF_LIST means it does not exist */
if (rc == DB_END_OF_LIST)
{
clean_std_table_bits(&p_info->attr_mask);
/* not found, but did not check MAIN yet */
if (checkmain)
goto next_table;
rc = DB_NOT_EXISTS;
}
if (rc)
goto free_res;
/* set info from result */
if (main_count)
{
rc = result2attrset(T_MAIN, result_tab + shift, main_count, p_info);
shift += main_count;
if (rc)
goto free_res;
}
if (annex_count)
{
rc = result2attrset(T_ANNEX, result_tab + shift, annex_count,
p_info);
shift += annex_count;
if (rc)
goto free_res;
}
if (name_count)
{
rc = result2attrset(T_DNAMES, result_tab + shift, name_count,
p_info);
shift += name_count;
if (rc)
goto free_res;
}
next_table:
db_result_free(&p_mgr->conn, &result);
}
/* remove stripe info if it is not a file */
if (stripe_fields(p_info->attr_mask) && ATTR_MASK_TEST(p_info, type)
&& strcmp(ATTR(p_info, type), STR_TYPE_FILE) != 0)
{
p_info->attr_mask = attr_mask_and_not(&p_info->attr_mask, &stripe_attr_set);
}
/* get stripe info if asked */
#ifdef _LUSTRE
if (stripe_fields(p_info->attr_mask))
{
rc = get_stripe_info(p_mgr, pk, &ATTR(p_info, stripe_info),
ATTR_MASK_TEST(p_info, stripe_items)?
&ATTR(p_info, stripe_items) : NULL);
if (rc == DB_ATTR_MISSING || rc == DB_NOT_EXISTS)
{
/* stripe info is in std mask */
p_info->attr_mask.std &= ~ATTR_MASK_stripe_info;
if (ATTR_MASK_TEST(p_info, stripe_items))
p_info->attr_mask.std &= ~ATTR_MASK_stripe_items;
}
else if (rc)
goto free_str;
else
checkmain = false; /* entry exists */
}
#else
/* POSIX: always clean stripe bits */
p_info->attr_mask = attr_mask_and_not(&p_info->attr_mask, &stripe_attr_set);
#endif
/* special field dircount */
if (dirattr_fields(p_info->attr_mask))
{
if (listmgr_get_dirattrs(p_mgr, pk, p_info))
{
DisplayLog(LVL_MAJOR, LISTMGR_TAG, "listmgr_get_dirattrs failed for "DPK, pk);
p_info->attr_mask = attr_mask_and_not(&p_info->attr_mask, &dir_attr_set);
}
}
if (checkmain)
{
/* verify it exists in main table */
g_string_printf(req, "SELECT id FROM " MAIN_TABLE " WHERE id="DPK, pk);
/* execute the request */
rc = db_exec_sql(&p_mgr->conn, req->str, &result);
if (rc)
goto free_str;
rc = db_next_record(&p_mgr->conn, &result, result_tab, 1);
db_result_free(&p_mgr->conn, &result);
if (rc)
{
rc = DB_NOT_EXISTS;
goto free_str;
}
}
/* restore generated fields in attr mask */
p_info->attr_mask = attr_mask_or(&p_info->attr_mask, &gen);
/* generate them */
generate_fields(p_info);
/* update operation stats */
p_mgr->nbop[OPIDX_GET]++;
rc = DB_SUCCESS;
goto free_str;
free_res:
db_result_free(&p_mgr->conn, &result);
free_str:
g_string_free(req, TRUE);
g_string_free(from, TRUE);
return rc;
} /* listmgr_get_by_pk */
/**
* Get the list of children of a given parent (or list of parents).
* \param parent_list [in] list of parents to get the child of
* \param parent_count [in] number of ids in parent list
* \param attr_mask [in] required attributes for children
* \param child_id_list [out] ptr to array of child ids
* \param child_attr_list [out] ptr to array of child attrs
* \param child_count [out] number of returned children
*/
int ListMgr_GetChild( lmgr_t * p_mgr, const lmgr_filter_t * p_filter,
const wagon_t * parent_list, unsigned int parent_count,
int attr_mask,
wagon_t ** child_id_list, attr_set_t ** child_attr_list,
unsigned int * child_count)
{
result_handle_t result;
char *curr;
int filter_main = 0;
int filter_annex = 0;
int main_attrs = 0;
int dnames_attrs = 0;
int annex_attrs = 0;
char query[4096];
char fieldlist_main[1024] = "";
char fieldlist_dnames[1024] = "";
char fieldlist_annex[1024] = "";
char filter_str_main[1024] = "";
char filter_str_annex[1024] = "";
char tmp[2048];
char *path = NULL;
int path_len;
char * pc;
int rc, i;
/* TODO: querying children from several parent cannot work, since
* we need to get the paths of the children. Or we could do a
* lookup into parent_list to find the right one. In the meantime,
* try not to mess up the code. */
if (parent_count != 1)
RBH_BUG("cannot get children for several parent simultaneously");
/* always request for name to build fullpath in wagon */
attr_mask |= ATTR_MASK_name;
/* request is always on the MAIN table (which contains [parent_id, id] relationship */
/* /!\ possible cases:
* - simplest: the fields of the filter and the attributes to be retrieved are in the MAIN table
* - harder: the fields of the filter and attributes are in a different table
*/
/* 1) location of filters */
if ( p_filter )
{
char dummy_str[1024];
unsigned int dummy_uint;
if (dir_filter(p_mgr, dummy_str, p_filter, &dummy_uint) != FILTERDIR_NONE)
{
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "Directory filter not supported in %s()", __func__ );
return DB_NOT_SUPPORTED;
}
else if (func_filter(p_mgr, dummy_str, p_filter, T_MAIN, FALSE, FALSE))
{
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "Function filter not supported in %s()", __func__ );
return DB_NOT_SUPPORTED;
}
/* There is always a filter on T_DNAMES, which is the parent condition.
* Look for optional filters:
*/
filter_main = filter2str( p_mgr, filter_str_main, p_filter, T_MAIN,
FALSE, TRUE );
if ( annex_table )
filter_annex = filter2str( p_mgr, filter_str_annex, p_filter,
T_ANNEX, FALSE, TRUE );
else
filter_annex = 0;
/* @TODO to be implemented */
#if 0
filter_stripe_info =
filter2str( p_mgr, filter_str_stripe_info, p_filter, T_STRIPE_INFO,
( filter_main > 0 ) || ( filter_annex > 0 ), TRUE );
filter_stripe_items =
filter2str( p_mgr, filter_str_stripe_items, p_filter, T_STRIPE_ITEMS,
( filter_main > 0 ) || ( filter_annex > 0 )
|| ( filter_stripe_info > 0 ), TRUE );
#endif
}
/* 2) location of requested attributes */
if (attr_mask)
{
/* retrieve source info for generated fields */
add_source_fields_for_gen( &attr_mask );
main_attrs = attrmask2fieldlist( fieldlist_main, attr_mask, T_MAIN,
/* leading comma */ TRUE, /* for update */ FALSE,
/* prefix */ MAIN_TABLE".", /* postfix */ "" );
dnames_attrs += attrmask2fieldlist( fieldlist_dnames, attr_mask, T_DNAMES,
/* leading comma */ TRUE, /* for update */ FALSE,
/* prefix */ DNAMES_TABLE".", /* postfix */ "" );
if ( annex_table )
annex_attrs = attrmask2fieldlist( fieldlist_annex, attr_mask, T_ANNEX,
/* leading comma */ TRUE, /* for update */ FALSE,
/* prefix */ ANNEX_TABLE".", /* postfix */ "" );
else
annex_attrs = 0;
}
else
{
/* no returned attrs */
if (child_attr_list)
*child_attr_list = NULL;
}
pc = parent_cond(p_mgr, tmp, sizeof(tmp), parent_list, parent_count, DNAMES_TABLE".");
if (!pc)
return DB_BUFFER_TOO_SMALL;
curr = query;
/* SELECT clause */
/* id + dname fields */
curr += sprintf(curr, "SELECT "DNAMES_TABLE".id%s", fieldlist_dnames);
/* main attrs */
if (main_attrs)
curr += sprintf(curr, "%s", fieldlist_main);
/* annex attrs */
if (annex_attrs)
curr += sprintf(curr, "%s", fieldlist_annex);
/* FROM clause */
curr += sprintf(curr, " FROM "DNAMES_TABLE);
if (main_attrs || filter_main)
curr += sprintf(curr, " LEFT JOIN "MAIN_TABLE
" ON "DNAMES_TABLE".id="MAIN_TABLE".id");
if (annex_attrs || filter_annex)
curr += sprintf(curr, " LEFT JOIN "ANNEX_TABLE
" ON "DNAMES_TABLE".id="ANNEX_TABLE".id");
/* WHERE clause */
curr += sprintf(curr, " WHERE %s", pc);
if (filter_main)
curr += sprintf(curr, " AND %s", filter_str_main);
if (filter_annex)
curr += sprintf(curr, " AND %s", filter_str_annex);
retry:
rc = db_exec_sql(&p_mgr->conn, query, &result);
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
else if (rc)
return rc;
/* copy result to output structures */
*child_count = db_result_nb_records(&p_mgr->conn, &result);
/* allocate entry_id array */
*child_id_list = MemCalloc(*child_count, sizeof(wagon_t));
if (*child_id_list == NULL)
return DB_NO_MEMORY;
if (child_attr_list)
{
*child_attr_list = MemCalloc(*child_count, sizeof(attr_set_t));
if (*child_attr_list == NULL)
{
rc = DB_NO_MEMORY;
goto array_free;
}
}
/* Allocate a string long enough to contain the parent path and a
* child name. */
path_len = strlen(parent_list[0].fullname) + RBH_NAME_MAX + 2;
path = malloc(path_len);
if (!path) {
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "Can't alloc enough memory (%d bytes)",
path_len );
rc = DB_NO_MEMORY;
goto array_free;
}
for (i = 0; i < *child_count; i++)
{
char *res[128]; /* 128 fields per row is large enough */
rc = db_next_record(&p_mgr->conn, &result, res, 128);
if ( rc )
goto array_free;
/* copy id to array */
pk2entry_id(p_mgr, res[0], &((*child_id_list)[i].id));
/* copy attributes to array */
if (child_attr_list)
{
(*child_attr_list)[i].attr_mask = attr_mask;
/* first id, then dnames attrs, then main attrs, then annex attrs */
if (dnames_attrs)
{
/* shift of 1 for id */
rc = result2attrset( T_DNAMES, res + 1, dnames_attrs, &((*child_attr_list)[i]) );
if ( rc )
goto array_free;
}
if (main_attrs)
{
/* first id, then main attrs, then annex attrs */
/* shift of 1 for id */
rc = result2attrset( T_MAIN, res + dnames_attrs + 1, main_attrs, &((*child_attr_list)[i]) );
if ( rc )
goto array_free;
}
if (annex_attrs)
{
/* shift of main_attrs count */
rc = result2attrset( T_ANNEX, res + dnames_attrs + main_attrs + 1, annex_attrs,
&((*child_attr_list)[i]) );
if ( rc )
goto array_free;
}
#ifdef _LUSTRE
if (stripe_fields(attr_mask))
{
if (get_stripe_info( p_mgr, res[0], &ATTR(&(*child_attr_list)[i], stripe_info),
&ATTR(&(*child_attr_list)[i], stripe_items) ))
{
ATTR_MASK_UNSET(&(*child_attr_list)[i], stripe_info);
ATTR_MASK_UNSET(&(*child_attr_list)[i], stripe_items);
}
}
#endif
generate_fields(&((*child_attr_list)[i]));
/* Note: path is properly sized already to not overflow. */
sprintf(path, "%s/%s", parent_list[0].fullname,
(*child_attr_list)[i].attr_values.name);
(*child_id_list)[i].fullname = strdup(path);
}
}
if (path)
free(path);
db_result_free( &p_mgr->conn, &result );
return 0;
array_free:
if (path)
free(path);
if (child_attr_list && *child_attr_list)
{
MemFree(*child_attr_list);
*child_attr_list = NULL;
}
MemFree(*child_id_list);
*child_id_list = NULL;
return rc;
}
struct lmgr_iterator_t *ListMgr_Iterator( lmgr_t * p_mgr,
const lmgr_filter_t * p_filter,
const lmgr_sort_type_t *
p_sort_type, const lmgr_iter_opt_t * p_opt )
{
char query[4096];
char filter_str_main[2048];
char filter_str_annex[2048];
char filter_str_stripe_info[2048];
char filter_str_stripe_items[2048];
int filter_main = 0;
int filter_annex = 0;
int filter_stripe_info = 0;
int filter_stripe_items = 0;
int rc;
char fields[2048];
char tables[2048];
lmgr_iterator_t *it;
table_enum sort_table = T_NONE;
int do_sort = 0;
filter_str_main[0] = '\0';
filter_str_annex[0] = '\0';
filter_str_stripe_info[0] = '\0';
filter_str_stripe_items[0] = '\0';
char *query_end;
/* Iterator only select a sorted list of ids.
* Entry attributes are retrieved afterward in ListMgr_GetNext() call.
*/
/* is there a sort order ? */
do_sort = ( p_sort_type && ( p_sort_type->order != SORT_NONE ) );
/* check sort order */
if ( do_sort )
{
if ( is_main_field( p_sort_type->attr_index ) )
sort_table = T_MAIN;
else if ( is_annex_field( p_sort_type->attr_index ) )
sort_table = T_ANNEX;
else if ( field_infos[p_sort_type->attr_index].db_type == DB_STRIPE_INFO )
sort_table = T_STRIPE_INFO;
else if ( field_infos[p_sort_type->attr_index].db_type == DB_STRIPE_ITEMS )
sort_table = T_STRIPE_ITEMS;
else
{
DisplayLog( LVL_CRIT, LISTMGR_TAG, "Invalid field for sort order (index=%d)", p_sort_type->attr_index );
return NULL;
}
}
/* check filter location */
/* /!\ possible cases:
* - simplest: the fields of the filter and the attributes to be changed are in the same table
* - harder: the fields of the filter are in the same table and attributes are in another different table
*/
/* 1) check the location of filters */
if ( p_filter )
{
filter_main = filter2str( p_mgr, filter_str_main, p_filter, T_MAIN,
FALSE, TRUE );
if ( annex_table )
filter_annex = filter2str( p_mgr, filter_str_annex, p_filter,
T_ANNEX, ( filter_main > 0 ), TRUE );
else
filter_annex = 0;
filter_stripe_info =
filter2str( p_mgr, filter_str_stripe_info, p_filter, T_STRIPE_INFO,
( filter_main > 0 ) || ( filter_annex > 0 ), TRUE );
filter_stripe_items =
filter2str( p_mgr, filter_str_stripe_items, p_filter, T_STRIPE_ITEMS,
( filter_main > 0 ) || ( filter_annex > 0 )
|| ( filter_stripe_info > 0 ), TRUE );
if ( ( filter_main == 0 ) && ( filter_annex == 0 ) && ( filter_stripe_items == 0 )
&& ( filter_stripe_info == 0 ) )
{
/* all records */
DisplayLog( LVL_FULL, LISTMGR_TAG, "Empty filter: all records will be affected" );
if ( do_sort )
{
/* entries must be selected depending on sort order */
if ( sort_table == T_MAIN )
strcpy( query, "SELECT id FROM " MAIN_TABLE );
else if ( sort_table == T_ANNEX )
strcpy( query, "SELECT id FROM " ANNEX_TABLE );
else if ( sort_table == T_STRIPE_INFO )
strcpy( query, "SELECT id FROM " STRIPE_INFO_TABLE );
else if ( sort_table == T_STRIPE_ITEMS )
strcpy( query, "SELECT DISTINCT(id) FROM " STRIPE_ITEMS_TABLE );
}
else
{
strcpy( query, "SELECT id FROM " MAIN_TABLE );
}
}
else if ( filter_main && !( filter_annex || filter_stripe_items || filter_stripe_info )
&& ( !do_sort || ( sort_table == T_MAIN ) ) )
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " MAIN_TABLE " table" );
sprintf( query, "SELECT id FROM " MAIN_TABLE " WHERE %s", filter_str_main );
}
else if ( filter_annex && !( filter_main || filter_stripe_items || filter_stripe_info )
&& ( !do_sort || ( sort_table == T_ANNEX ) ) )
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " ANNEX_TABLE " table" );
sprintf( query, "SELECT id FROM " ANNEX_TABLE " WHERE %s", filter_str_annex );
}
else if ( filter_stripe_info && !( filter_main || filter_annex || filter_stripe_items )
&& ( !do_sort || ( sort_table == T_STRIPE_INFO ) ) )
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " STRIPE_INFO_TABLE " table" );
sprintf( query,
"SELECT id FROM " STRIPE_INFO_TABLE " WHERE %s", filter_str_stripe_info );
}
else if ( filter_stripe_items && !( filter_main || filter_annex || filter_stripe_info )
&& ( !do_sort || ( sort_table == T_STRIPE_ITEMS ) ) )
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " STRIPE_ITEMS_TABLE " table" );
sprintf( query,
"SELECT DISTINCT(id) FROM " STRIPE_ITEMS_TABLE
" WHERE %s", filter_str_stripe_items );
}
else
{
char *curr_fields = fields;
char *curr_tables = tables;
char *first_table = NULL;
DisplayLog( LVL_FULL, LISTMGR_TAG,
"Filter or sort order on several tables: "
MAIN_TABLE ":%d, " ANNEX_TABLE ":%d, "
STRIPE_INFO_TABLE ":%d, "
STRIPE_ITEMS_TABLE ":%d",
filter_main, filter_annex, filter_stripe_info, filter_stripe_items );
if ( ( filter_main > 0 ) || ( do_sort && ( sort_table == T_MAIN ) ) )
{
first_table = MAIN_TABLE;
if ( filter_main > 0 )
curr_fields += sprintf( curr_fields, "%s", filter_str_main );
curr_tables += sprintf( curr_tables, "%s", MAIN_TABLE );
}
if ( ( filter_annex > 0 ) || ( do_sort && ( sort_table == T_ANNEX ) ) )
{
if ( filter_annex > 0 )
curr_fields += sprintf( curr_fields, "%s", filter_str_annex );
if ( ( filter_main > 0 ) || ( do_sort && ( sort_table == T_MAIN ) ) )
{
*curr_tables = ',';
curr_tables++;
/* also add junction condition */
curr_fields +=
sprintf( curr_fields, " AND %s.id=%s.id", MAIN_TABLE, ANNEX_TABLE );
}
else
first_table = ANNEX_TABLE;
curr_tables += sprintf( curr_tables, "%s", ANNEX_TABLE );
}
if ( ( filter_stripe_items > 0 ) || ( do_sort && ( sort_table == T_STRIPE_ITEMS ) ) )
{
if ( filter_stripe_items > 0 )
curr_fields += sprintf( curr_fields, "%s", filter_str_stripe_items );
if ( ( filter_main > 0 )
|| ( do_sort && ( sort_table == T_MAIN ) )
|| ( filter_annex > 0 ) || ( do_sort && ( sort_table == T_ANNEX ) ) )
{
*curr_tables = ',';
curr_tables++;
/* add junction condition */
if ( ( filter_main > 0 ) || ( do_sort && ( sort_table == T_MAIN ) ) )
curr_fields +=
sprintf( curr_fields, " AND %s.id=%s.id",
MAIN_TABLE, STRIPE_ITEMS_TABLE );
if ( ( filter_annex > 0 ) || ( do_sort && ( sort_table == T_ANNEX ) ) )
curr_fields +=
sprintf( curr_fields, " AND %s.id=%s.id",
ANNEX_TABLE, STRIPE_ITEMS_TABLE );
}
else
first_table = STRIPE_ITEMS_TABLE;
curr_tables += sprintf( curr_tables, "%s", STRIPE_ITEMS_TABLE );
}
if ( ( filter_stripe_info > 0 ) || ( do_sort && ( sort_table == T_STRIPE_INFO ) ) )
{
if ( filter_stripe_info > 0 )
curr_fields += sprintf( curr_fields, "%s", filter_str_stripe_info );
if ( ( filter_main > 0 )
|| ( do_sort && ( sort_table == T_MAIN ) )
|| ( filter_annex > 0 ) || ( do_sort && ( sort_table == T_ANNEX ) )
|| ( filter_stripe_items > 0 ) || ( do_sort
&& ( sort_table == T_STRIPE_ITEMS ) ) )
{
*curr_tables = ',';
curr_tables++;
/* add junction condition */
if ( ( filter_main > 0 ) || ( do_sort && ( sort_table == T_MAIN ) ) )
curr_fields +=
sprintf( curr_fields, " AND %s.id=%s.id",
MAIN_TABLE, STRIPE_INFO_TABLE );
if ( ( filter_annex > 0 ) || ( do_sort && ( sort_table == T_ANNEX ) ) )
curr_fields +=
sprintf( curr_fields, " AND %s.id=%s.id",
ANNEX_TABLE, STRIPE_INFO_TABLE );
if ( ( filter_stripe_items > 0 )
|| ( do_sort && ( sort_table == T_STRIPE_ITEMS ) ) )
curr_fields +=
sprintf( curr_fields, " AND %s.id=%s.id", STRIPE_ITEMS_TABLE,
STRIPE_INFO_TABLE );
}
else
first_table = STRIPE_INFO_TABLE;
curr_tables += sprintf( curr_tables, "%s", STRIPE_INFO_TABLE );
}
sprintf( query, "SELECT %s.id AS id FROM %s WHERE %s", first_table, tables, fields );
}
}
else if ( do_sort )
{
/* entries must be selected depending on sort order */
if ( sort_table == T_MAIN )
strcpy( query, "SELECT id FROM " MAIN_TABLE );
else if ( sort_table == T_ANNEX )
strcpy( query, "SELECT id FROM " ANNEX_TABLE );
else if ( sort_table == T_STRIPE_ITEMS )
strcpy( query, "SELECT DISTINCT(id) FROM " STRIPE_ITEMS_TABLE );
else if ( sort_table == T_STRIPE_INFO )
strcpy( query, "SELECT id FROM " STRIPE_INFO_TABLE );
}
else
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Empty filter: all records will be selected" );
strcpy( query, "SELECT id FROM " MAIN_TABLE );
}
query_end = query + strlen( query );
/* sort order */
if ( do_sort )
{
if ( sort_table == T_MAIN )
{
query_end +=
sprintf( query_end, " ORDER BY " MAIN_TABLE ".%s ",
field_infos[p_sort_type->attr_index].field_name );
}
else if ( sort_table == T_ANNEX )
{
query_end +=
sprintf( query_end, " ORDER BY " ANNEX_TABLE ".%s ",
field_infos[p_sort_type->attr_index].field_name );
}
else if ( sort_table == T_STRIPE_ITEMS )
{
query_end += sprintf( query_end, " ORDER BY " STRIPE_ITEMS_TABLE ".storage_unit " );
}
else if ( sort_table == T_STRIPE_INFO )
{
query_end += sprintf( query_end, " ORDER BY " STRIPE_INFO_TABLE ".pool_name " );
}
if ( p_sort_type->order == SORT_ASC )
query_end += sprintf( query_end, "ASC" );
else
query_end += sprintf( query_end, "DESC" );
}
/* iterator opt */
if ( p_opt && ( p_opt->list_count_max > 0 ) )
{
query_end += sprintf( query_end, " LIMIT %u", p_opt->list_count_max );
}
/* allocate a new iterator */
it = ( lmgr_iterator_t * ) MemAlloc( sizeof( lmgr_iterator_t ) );
it->p_mgr = p_mgr;
#ifdef _DEBUG_DB
printf( "Iterator is specified by: %s\n", query );
#endif
/* execute request */
rc = db_exec_sql( &p_mgr->conn, query, &it->select_result );
if ( rc )
{
MemFree( it );
return NULL;
}
else
return it;
}
int ListMgr_MassUpdate( lmgr_t * p_mgr,
const lmgr_filter_t * p_filter, const attr_set_t * p_attr_set )
{
char query[4096];
char filter_str_main[2048];
char filter_str_annex[2048];
char filter_str_stripe_info[2048];
char filter_str_stripe_units[2048];
int filter_main = 0;
int filter_annex = 0;
int filter_stripe_info = 0;
int filter_stripe_units = 0;
int rc, count;
int impact_all = FALSE;
int filter_unic = FALSE;
char fields[2048];
char tmp_table_name[256];
int tmp_table_created = FALSE;
filter_str_main[0] = '\0';
filter_str_annex[0] = '\0';
filter_str_stripe_info[0] = '\0';
filter_str_stripe_units[0] = '\0';
/* /!\ possible cases:
* - simplest: the fields of the filter and the attributes to be changed are in the same table
* - harder: the fields of the filter are in the same table and attributes are in another different table
*/
/* 1) check the location of filters */
if ( p_filter )
{
filter_main = filter2str( p_mgr, filter_str_main, p_filter, T_MAIN,
FALSE, FALSE );
if ( annex_table )
filter_annex = filter2str( p_mgr, filter_str_annex, p_filter,
T_ANNEX, FALSE, FALSE );
else
filter_annex = 0;
filter_stripe_info =
filter2str( p_mgr, filter_str_stripe_info, p_filter, T_STRIPE_INFO,
FALSE, FALSE );
filter_stripe_units =
filter2str( p_mgr, filter_str_stripe_units, p_filter,
T_STRIPE_ITEMS,FALSE, FALSE );
if ( filter_main + filter_annex + filter_stripe_info + filter_stripe_units == 0 )
{
/* all records */
impact_all = TRUE;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Empty filter: all records will be affected" );
}
else if ( filter_main && !( filter_annex || filter_stripe_info || filter_stripe_units ) )
{
filter_unic = TRUE;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " MAIN_TABLE " table" );
}
else if ( filter_annex && !( filter_main || filter_stripe_info || filter_stripe_units ) )
{
filter_unic = TRUE;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " ANNEX_TABLE " table" );
}
else if ( filter_stripe_info && !( filter_main || filter_annex || filter_stripe_units ) )
{
filter_unic = TRUE;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " STRIPE_INFO_TABLE " table" );
}
else if ( filter_stripe_units && !( filter_main || filter_annex || filter_stripe_info ) )
{
filter_unic = TRUE;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Filter is only on " STRIPE_ITEMS_TABLE " table" );
}
else
DisplayLog( LVL_FULL, LISTMGR_TAG,
"Filter on several tables: " MAIN_TABLE ":%d, "
ANNEX_TABLE ":%d, " STRIPE_INFO_TABLE ":%d, "
STRIPE_ITEMS_TABLE ":%d",
filter_main, filter_annex, filter_stripe_info, filter_stripe_units );
}
else
{
impact_all = TRUE;
DisplayLog( LVL_FULL, LISTMGR_TAG, "Empty filter: all records will be affected" );
}
/* 2) check if attributes to be changed are in MAIN table */
/* 3) if filters are in MAIN table too, make a simple update statement */
/* 4) if not, make a compound request: update xxx set xxx WHERE pk in ( select pk from ... where ... ) */
rc = lmgr_begin( p_mgr );
if ( rc )
return rc;
/* perform updates on MAIN TABLE */
count = attrset2updatelist( p_mgr, fields, p_attr_set, T_MAIN, FALSE );
if ( count < 0 )
return -count;
if ( count > 0 )
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Update on " MAIN_TABLE " table" );
if ( impact_all )
{
/* all records are impacted */
sprintf( query, "UPDATE " MAIN_TABLE " SET %s", fields );
}
else if ( filter_unic && filter_main )
{
/* update on the same table as filter */
sprintf( query, "UPDATE " MAIN_TABLE " SET %s WHERE %s", fields, filter_str_main );
}
else if ( filter_unic )
{
/* update is on a different table than filter */
if ( filter_annex )
{
if ( !tmp_table_created )
{
/* create temp table */
sprintf( tmp_table_name, "TMP_TABLE_%u_%u",
( unsigned int ) getpid( ), ( unsigned int ) pthread_self( ) );
sprintf( query,
"CREATE TEMPORARY TABLE %s AS SELECT id FROM "
ANNEX_TABLE " WHERE %s", tmp_table_name, filter_str_annex );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
tmp_table_created = TRUE;
}
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "WARNING: passing through unoptimized algorithm" );
sprintf( query,
"UPDATE " MAIN_TABLE
" SET %s WHERE id IN (SELECT id FROM %s)", fields, tmp_table_name );
}
else if ( filter_stripe_units )
{
if ( !tmp_table_created )
{
sprintf( tmp_table_name, "TMP_TABLE_%u_%u",
( unsigned int ) getpid( ), ( unsigned int ) pthread_self( ) );
/* create temp table */
sprintf( query,
"CREATE TEMPORARY TABLE %s AS SELECT id FROM "
STRIPE_ITEMS_TABLE " WHERE %s", tmp_table_name,
filter_str_stripe_units );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
tmp_table_created = TRUE;
}
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "WARNING: passing through unoptimized algorithm" );
sprintf( query,
"UPDATE " MAIN_TABLE
" SET %s WHERE id IN (SELECT id FROM %s)", fields, tmp_table_name );
}
else if ( filter_stripe_info )
{
if ( !tmp_table_created )
{
sprintf( tmp_table_name, "TMP_TABLE_%u_%u",
( unsigned int ) getpid( ), ( unsigned int ) pthread_self( ) );
/* create temp table */
sprintf( query,
"CREATE TEMPORARY TABLE %s AS SELECT id FROM "
STRIPE_INFO_TABLE " WHERE %s", tmp_table_name,
filter_str_stripe_info );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
tmp_table_created = TRUE;
}
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "WARNING: passing through unoptimized algorithm" );
sprintf( query,
"UPDATE " MAIN_TABLE
" SET %s WHERE id IN (SELECT id FROM %s)", fields, tmp_table_name );
}
}
else
{
/* @todo mixed filter :-s */
rc = DB_NOT_SUPPORTED;
goto rollback;
}
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
}
/* update on annex table ? */
if ( annex_table )
{
count = attrset2updatelist( p_mgr, fields, p_attr_set, T_ANNEX, FALSE );
if ( count < 0 )
return -count;
if ( count > 0 )
{
DisplayLog( LVL_FULL, LISTMGR_TAG, "Update on " ANNEX_TABLE " table" );
if ( impact_all )
{
/* all records are impacted */
sprintf( query, "UPDATE " ANNEX_TABLE " SET %s", fields );
}
else if ( filter_unic && filter_annex )
{
/* update on the same table as filter */
sprintf( query,
"UPDATE " ANNEX_TABLE " SET %s WHERE %s", fields, filter_str_annex );
}
else if ( filter_unic )
{
/* update is on a different table than filter */
if ( filter_main )
{
if ( !tmp_table_created )
{
/* create temp table */
sprintf( tmp_table_name, "TMP_TABLE_%u_%u",
( unsigned int ) getpid( ), ( unsigned int ) pthread_self( ) );
sprintf( query,
"CREATE TEMPORARY TABLE %s AS SELECT id FROM "
MAIN_TABLE " WHERE %s", tmp_table_name, filter_str_main );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
tmp_table_created = TRUE;
}
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "WARNING: passing through unoptimized algorithm" );
sprintf( query,
"UPDATE " ANNEX_TABLE
" SET %s WHERE id IN (SELECT id FROM %s)", fields, tmp_table_name );
}
else if ( filter_stripe_units )
{
if ( !tmp_table_created )
{
/* create temp table */
sprintf( tmp_table_name, "TMP_TABLE_%u_%u",
( unsigned int ) getpid( ), ( unsigned int ) pthread_self( ) );
sprintf( query,
"CREATE TEMPORARY TABLE %s AS SELECT id FROM "
STRIPE_ITEMS_TABLE " WHERE %s",
tmp_table_name, filter_str_stripe_units );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
tmp_table_created = TRUE;
}
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "WARNING: passing through unoptimized algorithm" );
sprintf( query,
"UPDATE " ANNEX_TABLE
" SET %s WHERE id IN (SELECT id FROM %s)", fields, tmp_table_name );
}
else if ( filter_stripe_info )
{
if ( !tmp_table_created )
{
/* create temp table */
sprintf( tmp_table_name, "TMP_TABLE_%u_%u",
( unsigned int ) getpid( ), ( unsigned int ) pthread_self( ) );
sprintf( query,
"CREATE TEMPORARY TABLE %s AS SELECT id FROM "
STRIPE_INFO_TABLE " WHERE %s",
tmp_table_name, filter_str_stripe_info );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
tmp_table_created = TRUE;
}
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "WARNING: passing through unoptimized algorithm" );
sprintf( query,
"UPDATE " ANNEX_TABLE
" SET %s WHERE id IN (SELECT id FROM %s)", fields, tmp_table_name );
}
}
else
{
/* @todo mixed filter :-s */
rc = DB_NOT_SUPPORTED;
goto rollback;
}
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
}
}
if ( ATTR_MASK_TEST( p_attr_set, stripe_info ) || ATTR_MASK_TEST( p_attr_set, stripe_items ) )
{
/* XXX is there a case where stripe info is to be updated massively ? */
rc = DB_NOT_SUPPORTED;
goto rollback;
}
if ( tmp_table_created )
{
sprintf( query, "DROP TABLE %s", tmp_table_name );
rc = db_exec_sql( &p_mgr->conn, query, NULL );
if ( rc )
goto rollback;
}
return lmgr_commit( p_mgr );
rollback:
lmgr_rollback( p_mgr );
return rc;
}
/**
* Initialize a recovery process.
* \param p_filter[in] (optional) filter partial filesystem recovery
* \retval DB_SUCCESS the recovery process successfully started;
* the stats indicate the recovery states we can expect.
* \retval DB_ALREADY_EXISTS a recovery process already started
* and was not properly completed. stats indicate the current status.
* \retval error another error occurred.
*/
int ListMgr_RecovInit( lmgr_t * p_mgr, const lmgr_filter_t * p_filter, lmgr_recov_stat_t * p_stats )
{
int rc;
db_value_t report_val;
unsigned int nb;
struct lmgr_report_t * report;
report_field_descr_t report_count = {-1, REPORT_COUNT, SORT_NONE, false, 0, FV_NULL};
/** @TODO use glib strings */
char query[4096];
char filter_str[4096] = "";
char *filter_curr = filter_str;
#define has_filters (filter_curr != filter_str)
int distinct = 0;
rc = ListMgr_RecovStatus( p_mgr, p_stats );
if (rc == 0)
{
if (p_stats->total != 0) /* RECOVERY table exists and is not empty */
return DB_ALREADY_EXISTS;
}
else if ( rc != DB_NOT_EXISTS ) /* other error */
return rc;
if ( rc == 0 )
{
DisplayLog( LVL_EVENT, LISTMGR_TAG, "Dropping any previous "RECOV_TABLE" table" );
/* start from clean state (no table, no indexes, no addl field) */
rc = db_drop_component(&p_mgr->conn, DBOBJ_TABLE, RECOV_TABLE);
if ( rc )
return rc;
}
if ( p_filter )
{
/* dummy vars */
char filter_dir_str[512] = "";
unsigned int filter_dir_index = 0;
if (dir_filter(p_mgr, filter_dir_str, p_filter, &filter_dir_index, NULL) != FILTERDIR_NONE)
{
DisplayLog( LVL_CRIT, LISTMGR_TAG, "Directory filter not supported for recovery");
return DB_NOT_SUPPORTED;
}
if (filter2str(p_mgr, filter_curr, p_filter, T_MAIN, AOF_PREFIX) > 0)
filter_curr += strlen(filter_curr);
if (filter2str(p_mgr, filter_curr, p_filter, T_ANNEX,
(has_filters ? AOF_LEADING_SEP : 0) | AOF_PREFIX) > 0)
filter_curr += strlen(filter_curr);
if (filter2str(p_mgr, filter_curr, p_filter, T_DNAMES,
(has_filters ? AOF_LEADING_SEP : 0) | AOF_PREFIX) > 0)
{
filter_curr += strlen(filter_curr);
distinct = 1;
}
if (filter2str(p_mgr, filter_curr, p_filter, T_STRIPE_INFO,
(has_filters ? AOF_LEADING_SEP : 0) | AOF_PREFIX) > 0)
filter_curr += strlen(filter_curr);
if (filter2str(p_mgr, filter_curr, p_filter, T_STRIPE_ITEMS,
(has_filters ? AOF_LEADING_SEP : 0) | AOF_PREFIX) > 0)
{
filter_curr += strlen(filter_curr);
distinct = 1;
}
}
DisplayLog( LVL_EVENT, LISTMGR_TAG, "Populating "RECOV_TABLE" table (this can take a few minutes)..." );
/* create the recovery table */
if (distinct)
{
/* need to select only 1 instance of each object when joining with STRIPE_ITEMS or NAMES */
strcpy(query, "CREATE TABLE "RECOV_TABLE
" SELECT DISTINCT("MAIN_TABLE".id)," BUILD_RECOV_LIST_FIELDS_NAMES
" FROM "MAIN_TABLE" LEFT JOIN "ANNEX_TABLE" ON "
"("MAIN_TABLE".id = "ANNEX_TABLE".id)"
" LEFT JOIN "DNAMES_TABLE" ON "
"("MAIN_TABLE".id = "DNAMES_TABLE".id)"
" LEFT JOIN "STRIPE_INFO_TABLE" ON "
"("MAIN_TABLE".id = "STRIPE_INFO_TABLE".id)"
" LEFT JOIN "STRIPE_ITEMS_TABLE" ON "
"("MAIN_TABLE".id = "STRIPE_ITEMS_TABLE".id)");
}
else
{
strcpy(query, "CREATE TABLE "RECOV_TABLE
" SELECT "MAIN_TABLE".id," BUILD_RECOV_LIST_FIELDS
" FROM "MAIN_TABLE" LEFT JOIN "ANNEX_TABLE" ON "
"("MAIN_TABLE".id = "ANNEX_TABLE".id)"
" LEFT JOIN "STRIPE_INFO_TABLE" ON "
"("MAIN_TABLE".id = "STRIPE_INFO_TABLE".id)");
}
if (has_filters)
{
strcat(query, " WHERE ");
strcat(query, filter_str);
}
/* the whole function is not atomic as we try to preserve the progress
* in case of DB engine failure. So we retry each step independently.
*/
retry1:
rc = db_exec_sql(&p_mgr->conn, query, NULL);
if (lmgr_delayed_retry(p_mgr, rc))
goto retry1;
else if (rc)
return rc;
DisplayLog( LVL_EVENT, LISTMGR_TAG, "Building indexes on "RECOV_TABLE" table..." );
/* create pk */
retry2:
rc = db_exec_sql( &p_mgr->conn, "ALTER TABLE "RECOV_TABLE" ADD PRIMARY KEY (id)", NULL );
if (lmgr_delayed_retry(p_mgr, rc))
goto retry2;
else if (rc)
return rc;
/* add recov_status column */
retry3:
rc = db_exec_sql( &p_mgr->conn, "ALTER TABLE "RECOV_TABLE" ADD COLUMN recov_status INTEGER", NULL );
if (lmgr_delayed_retry(p_mgr, rc))
goto retry3;
else if (rc)
return rc;
/* add index on status */
retry4:
rc = db_exec_sql( &p_mgr->conn,
"CREATE INDEX recov_st_index ON "RECOV_TABLE"(recov_status)",
NULL );
if (lmgr_delayed_retry(p_mgr, rc))
goto retry4;
else if (rc)
return rc;
/* count entries of each status */
expected_recov_status( p_mgr, p_stats );
/* if there is a filter on OSTs, report distinct ids */
if (distinct)
report_count.report_type = REPORT_COUNT_DISTINCT;
/* double check entry count before deleting entries */
report = ListMgr_Report(p_mgr, &report_count, 1, NULL, p_filter, NULL);
if (report == NULL)
return DB_REQUEST_FAILED;
nb = 1;
rc = ListMgr_GetNextReportItem(report, &report_val, &nb, NULL);
ListMgr_CloseReport(report);
if (rc)
return rc;
if ( nb == 0 )
return DB_REQUEST_FAILED;
if ( report_val.value_u.val_biguint != p_stats->total )
{
DisplayLog( LVL_CRIT, LISTMGR_TAG, "ERROR: recovery count (%llu) is different from entry count in main table (%lld): preserving entries",
p_stats->total, report_val.value_u.val_biguint );
return DB_REQUEST_FAILED;
}
/* clean previous DB content */
return ListMgr_MassRemove( p_mgr, p_filter, NULL );
}
/** retrieve directory attributes (nbr of entries, avg size of entries)*/
int listmgr_get_dirattrs( lmgr_t * p_mgr, PK_ARG_T dir_pk, attr_set_t * p_attrs )
{
GString *req;
result_handle_t result;
char *str_info[1];
int rc = 0;
int tmp_val;
long long tmp_long;
if (ATTR_MASK_TEST(p_attrs, type) &&
(strcmp(ATTR(p_attrs, type), STR_TYPE_DIR) != 0))
{
DisplayLog(LVL_FULL, LISTMGR_TAG,
"Type='%s' != 'dir' => unsetting dirattrs in attr mask",
ATTR(p_attrs, type));
p_attrs->attr_mask = attr_mask_and_not(&p_attrs->attr_mask, &dir_attr_set);
return 0;
}
req = g_string_new(NULL);
/* get child entry count from DNAMES_TABLE */
if (ATTR_MASK_TEST(p_attrs, dircount))
{
g_string_printf(req, "SELECT %s FROM "DNAMES_TABLE" WHERE parent_id="DPK,
dirattr2str(ATTR_INDEX_dircount), dir_pk);
rc = db_exec_sql(&p_mgr->conn, req->str, &result);
if (rc)
goto free_str;
rc = db_next_record(&p_mgr->conn, &result, str_info, 1);
if (rc == DB_END_OF_LIST)
{
ATTR_MASK_UNSET(p_attrs, dircount);
rc = DB_SUCCESS;
}
else if (rc == DB_SUCCESS)
{
if (str_info[0] == NULL)
/* count(*) should at least return 0 */
rc = DB_REQUEST_FAILED;
else
{
tmp_val = str2int(str_info[0]);
if (tmp_val != -1)
{
ATTR_MASK_SET(p_attrs, dircount);
ATTR(p_attrs, dircount) = tmp_val;
rc = DB_SUCCESS;
}
else
/* invalid output format */
rc = DB_REQUEST_FAILED;
}
}
db_result_free(&p_mgr->conn, &result);
if (rc)
goto free_str;
}
/* get avgsize of child entries from MAIN_TABLE */
if (ATTR_MASK_TEST(p_attrs, avgsize))
{
g_string_printf(req, "SELECT %s FROM "MAIN_TABLE" m, "DNAMES_TABLE" d"
" WHERE m.id = d.id and type='file' and d.parent_id="DPK,
dirattr2str(ATTR_INDEX_avgsize), dir_pk);
rc = db_exec_sql(&p_mgr->conn, req->str, &result);
if (rc)
goto free_str;
rc = db_next_record(&p_mgr->conn, &result, str_info, 1);
if (rc == DB_END_OF_LIST)
ATTR_MASK_UNSET(p_attrs, avgsize);
else if (rc == DB_SUCCESS)
{
if (str_info[0] == NULL)
{
/* NULL if no entry matches the criteria */
ATTR_MASK_UNSET(p_attrs, avgsize);
rc = DB_SUCCESS;
}
else
{
tmp_long = str2bigint(str_info[0]);
if (tmp_long != -1LL)
{
ATTR_MASK_SET(p_attrs, avgsize);
ATTR(p_attrs, avgsize) = tmp_long;
rc = DB_SUCCESS;
}
else
/* invalid output format */
rc = DB_REQUEST_FAILED;
}
}
db_result_free(&p_mgr->conn, &result);
}
free_str:
g_string_free(req, TRUE);
return rc;
}
/**
* Retrieve entry attributes from its primary key
*/
int listmgr_get_by_pk( lmgr_t * p_mgr, PK_ARG_T pk, attr_set_t * p_info )
{
int rc;
char fieldlist[4096] = "";
char *first_table = NULL;
char from[1024] = "";
char query[4096] = "";
/* we assume there is not more than 128 fields */
char *result_tab[128];
result_handle_t result;
int checkmain = 1;
int main_count = 0, annex_count = 0, name_count = 0;
if (p_info == NULL)
return 0;
/* init entry info */
memset( &p_info->attr_values, 0, sizeof( entry_info_t ) );
fieldlist[0] = '\0';
/* retrieve source info for generated fields */
add_source_fields_for_gen( &p_info->attr_mask );
/* get info from main table (if asked) */
main_count = attrmask2fieldlist(fieldlist, p_info->attr_mask, T_MAIN, FALSE,
FALSE, "", "");
if (main_count < 0)
return -main_count;
else if (main_count > 0)
{
checkmain = 0;
first_table = MAIN_TABLE;
sprintf(from, MAIN_TABLE);
}
annex_count = attrmask2fieldlist(fieldlist + strlen(fieldlist),
p_info->attr_mask, T_ANNEX,
first_table != NULL, FALSE, "", "");
if (annex_count < 0)
return -annex_count;
else if (annex_count > 0)
{
if (first_table)
sprintf(from + strlen(from), " LEFT JOIN "ANNEX_TABLE" ON %s.id="
ANNEX_TABLE".id", first_table);
else
{
first_table = ANNEX_TABLE;
sprintf(from, ANNEX_TABLE);
}
}
name_count = attrmask2fieldlist(fieldlist + strlen(fieldlist),
p_info->attr_mask, T_DNAMES,
first_table != NULL, FALSE, "", "");
if (name_count < 0)
return -name_count;
else if (name_count > 0)
{
if (first_table)
/* it's OK to JOIN with NAMES table here even if there are multiple paths,
* as we only take one result record. The important thing is to return
* consistent values for parent_id, name and fullpath. */
sprintf(from + strlen(from), " LEFT JOIN "DNAMES_TABLE" ON %s.id="
DNAMES_TABLE".id", first_table);
else
{
first_table = DNAMES_TABLE;
sprintf(from, DNAMES_TABLE);
}
}
if (first_table != NULL)
{
int shift = 0;
sprintf(query, "SELECT %s FROM %s WHERE %s.id="DPK, fieldlist, from,
first_table, pk);
rc = db_exec_sql(&p_mgr->conn, query, &result);
if (rc)
return rc;
rc = db_next_record(&p_mgr->conn, &result, result_tab,
main_count + annex_count + name_count);
/* END_OF_LIST means it does not exist */
if (rc == DB_END_OF_LIST)
rc = DB_NOT_EXISTS;
if (rc)
goto free_res;
/* set info from result */
if (main_count)
{
rc = result2attrset(T_MAIN, result_tab + shift, main_count, p_info);
shift += main_count;
if (rc)
goto free_res;
}
if (annex_count)
{
rc = result2attrset(T_ANNEX, result_tab + shift, annex_count,
p_info);
shift += annex_count;
if (rc)
goto free_res;
}
if (name_count)
{
rc = result2attrset(T_DNAMES, result_tab + shift, name_count,
p_info);
shift += name_count;
if (rc)
goto free_res;
}
db_result_free(&p_mgr->conn, &result);
}
/* remove stripe info if it is not a file */
if (stripe_fields(p_info->attr_mask) && ATTR_MASK_TEST(p_info, type)
&& strcmp(ATTR(p_info, type), STR_TYPE_FILE) != 0)
{
p_info->attr_mask &= ~stripe_attr_set;
}
/* get stripe info if asked */
#ifdef _LUSTRE
if (stripe_fields( p_info->attr_mask ))
{
rc = get_stripe_info( p_mgr, pk, &ATTR( p_info, stripe_info ),
ATTR_MASK_TEST( p_info, stripe_items ) ? &ATTR( p_info,
stripe_items ) :
NULL );
if ( rc == DB_ATTR_MISSING || rc == DB_NOT_EXISTS )
{
p_info->attr_mask &= ~ATTR_MASK_stripe_info;
if ( ATTR_MASK_TEST( p_info, stripe_items ) )
p_info->attr_mask &= ~ATTR_MASK_stripe_items;
}
else if ( rc )
return rc;
else
checkmain = 0; /* entry exists */
}
#else
/* always clean them */
p_info->attr_mask &= ~(ATTR_MASK_stripe_info | ATTR_MASK_stripe_items);
#endif
/* special field dircount */
if (dirattr_fields( p_info->attr_mask ))
{
if (listmgr_get_dirattrs(p_mgr, pk, p_info))
{
DisplayLog( LVL_MAJOR, LISTMGR_TAG, "listmgr_get_dirattrs failed for "DPK, pk );
p_info->attr_mask &= ~dir_attr_set;
}
}
if (checkmain)
{
/* verify it exists in main table */
sprintf( query, "SELECT id FROM " MAIN_TABLE " WHERE id="DPK, pk );
/* execute the request */
rc = db_exec_sql( &p_mgr->conn, query, &result );
if ( rc )
return rc;
rc = db_next_record( &p_mgr->conn, &result, result_tab, 1 );
db_result_free( &p_mgr->conn, &result );
if (rc)
return DB_NOT_EXISTS;
}
/* compute generated fields if asked */
generate_fields( p_info );
p_mgr->nbop[OPIDX_GET]++;
return DB_SUCCESS;
free_res:
db_result_free( &p_mgr->conn, &result );
return rc;
} /* listmgr_get_by_pk */
/**
* Builds a report from database.
*/
struct lmgr_report_t *ListMgr_Report(lmgr_t *p_mgr,
const report_field_descr_t *
report_desc_array,
unsigned int report_descr_count,
const profile_field_descr_t *
profile_descr,
const lmgr_filter_t *p_filter,
const lmgr_iter_opt_t *p_opt)
{
unsigned int i;
char attrname[128];
lmgr_report_t *p_report;
int rc;
table_enum query_tab;
/* supported report fields: ENTRIES, ANNEX_INFO or ACCT */
bool use_acct_table = false;
lmgr_iter_opt_t opt = { 0 };
unsigned int profile_len = 0;
unsigned int ratio = 0;
struct field_count fcnt = { 0 };
GString *req = NULL;
GString *fields = NULL;
GString *where = NULL;
GString *having = NULL;
GString *group_by = NULL;
GString *order_by = NULL;
GString *filter_name = NULL;
/* check profile argument and increase output array if needed */
if (profile_descr != NULL) {
if (profile_descr->attr_index != ATTR_INDEX_size) {
DisplayLog(LVL_CRIT, LISTMGR_TAG,
"Profile on attribute '%s' (index=%u) is not supported",
field_name(profile_descr->attr_index),
profile_descr->attr_index);
return NULL;
}
profile_len = SZ_PROFIL_COUNT;
if (profile_descr->range_ratio_len > 0)
ratio = 1;
}
/* allocate a new report structure */
p_report = (lmgr_report_t *) MemAlloc(sizeof(lmgr_report_t));
if (!p_report)
return NULL;
p_report->p_mgr = p_mgr;
p_report->result = (struct result *)MemCalloc(report_descr_count
+ profile_len + ratio,
sizeof(struct result));
if (!p_report->result)
goto free_report;
p_report->result_count = report_descr_count + profile_len + ratio;
p_report->profile_count = profile_len;
p_report->ratio_count = ratio;
if (profile_descr != NULL)
p_report->profile_attr = ATTR_INDEX_size;
/* initially, no char * tab allocated */
p_report->str_tab = NULL;
if (p_opt)
opt = *p_opt;
fields = g_string_new(NULL);
group_by = g_string_new(NULL);
order_by = g_string_new(NULL);
having = g_string_new(NULL);
where = g_string_new(NULL);
if (full_acct(report_desc_array, report_descr_count, p_filter)
&& !opt.force_no_acct) {
listmgr_optimizedstat(p_report, p_mgr, report_descr_count,
report_desc_array, profile_descr, fields,
group_by, order_by, having, where);
use_acct_table = true;
} else { /* not only ACCT table */
/* sorting by ratio first */
if (profile_descr && profile_descr->range_ratio_len > 0) {
if (profile_descr->attr_index == ATTR_INDEX_size) {
coma_if_needed(order_by);
if (profile_descr->range_ratio_sort == SORT_ASC)
g_string_append(order_by, "sizeratio ASC");
else
g_string_append(order_by, "sizeratio DESC");
}
}
for (i = 0; i < report_descr_count; i++) {
/* no field for count or distinct count */
if (report_desc_array[i].report_type != REPORT_COUNT &&
report_desc_array[i].report_type != REPORT_COUNT_DISTINCT) {
/* in what table is this field ? */
if (is_main_field(report_desc_array[i].attr_index))
fcnt.nb_main++;
else if (is_annex_field(report_desc_array[i].attr_index))
fcnt.nb_annex++;
else {
/* Not supported yet */
DisplayLog(LVL_CRIT, LISTMGR_TAG,
"Error: report on attribute '%s' (index=%u) is not supported (report item #%u).",
field_name(report_desc_array[i].attr_index),
report_desc_array[i].attr_index, i);
rc = DB_NOT_SUPPORTED;
goto free_str;
}
}
sprintf(attrname, "attr%u", i);
/* what kind of stat on this field ? */
switch (report_desc_array[i].report_type) {
case REPORT_MIN:
coma_if_needed(fields);
g_string_append_printf(fields, "MIN(%s) as %s",
field_str(report_desc_array[i].
attr_index), attrname);
p_report->result[i].type =
field_type(report_desc_array[i].attr_index);
break;
case REPORT_MAX:
coma_if_needed(fields);
g_string_append_printf(fields, "MAX(%s) as %s",
field_str(report_desc_array[i].
attr_index), attrname);
p_report->result[i].type =
field_type(report_desc_array[i].attr_index);
break;
case REPORT_AVG:
coma_if_needed(fields);
g_string_append_printf(fields, "ROUND(AVG(%s)) as %s",
field_str(report_desc_array[i].
attr_index), attrname);
p_report->result[i].type =
field_type(report_desc_array[i].attr_index);
break;
case REPORT_SUM:
coma_if_needed(fields);
g_string_append_printf(fields, "SUM(%s) as %s",
field_str(report_desc_array[i].
attr_index), attrname);
p_report->result[i].type =
field_type(report_desc_array[i].attr_index);
break;
case REPORT_COUNT:
coma_if_needed(fields);
g_string_append_printf(fields, "COUNT(*) as %s", attrname);
p_report->result[i].type = DB_BIGUINT;
break;
case REPORT_COUNT_DISTINCT:
coma_if_needed(fields);
g_string_append_printf(fields, "COUNT(DISTINCT(%s)) as %s",
field_str(report_desc_array[i].
attr_index), attrname);
p_report->result[i].type = DB_BIGUINT;
break;
case REPORT_GROUP_BY:
coma_if_needed(fields);
g_string_append_printf(fields, "%s as %s",
field_str(report_desc_array[i].
attr_index), attrname);
coma_if_needed(group_by);
g_string_append(group_by, attrname);
p_report->result[i].type =
field_type(report_desc_array[i].attr_index);
break;
}
/* is this field sorted ? */
append_sort_order(order_by, attrname,
report_desc_array[i].sort_flag);
/* is this field filtered ? */
listmgr_fieldfilter(p_report, p_mgr, report_desc_array, attrname,
having, where, i);
p_report->result[i].flags =
field_flag(report_desc_array[i].attr_index);
}
/* generate size profile */
if (profile_descr != NULL) {
if (profile_descr->attr_index == ATTR_INDEX_size) {
coma_if_needed(fields);
g_string_append(fields, "SUM(size=0)");
for (i = 1; i < SZ_PROFIL_COUNT - 1; i++)
g_string_append_printf(fields,
",SUM(" SZRANGE_FUNC "(size)=%u)",
i - 1);
g_string_append_printf(fields,
",SUM(" SZRANGE_FUNC "(size)>=%u)",
SZ_PROFIL_COUNT - 1);
for (i = 0; i < SZ_PROFIL_COUNT; i++)
p_report->result[i + report_descr_count].type = DB_BIGUINT;
if (profile_descr->range_ratio_len > 0) {
/* add ratio field and sort it */
coma_if_needed(fields);
g_string_append_printf(fields, "SUM(size>=%llu",
SZ_MIN_BY_INDEX(profile_descr->
range_ratio_start));
/* is the last range = 1T->inf ? */
if (profile_descr->range_ratio_start +
profile_descr->range_ratio_len >= SZ_PROFIL_COUNT)
g_string_append(fields, ")");
else
g_string_append_printf(fields, " and size<%llu)",
SZ_MIN_BY_INDEX(profile_descr->range_ratio_start
+ profile_descr->range_ratio_len));
g_string_append(fields, "/COUNT(*) as sizeratio");
}
}
}
}
/* process filter */
if (!(no_filter(p_filter))) {
if (full_acct(report_desc_array, report_descr_count, p_filter)
&& !opt.force_no_acct) {
int filter_acct;
/* filter on acct fields only */
filter_acct = filter2str(p_mgr, where, p_filter, T_ACCT,
(!GSTRING_EMPTY(where) ? AOF_LEADING_SEP : 0)
| AOF_PREFIX);
if (filter_acct > 0)
use_acct_table = true;
} else {
/* process NAMES filters apart, as with must then join with
* DISTINCT(id) */
filter_where(p_mgr, p_filter, &fcnt, where,
(!GSTRING_EMPTY(where) ? AOF_LEADING_SEP : 0)
| AOF_SKIP_NAME);
filter_name = g_string_new(NULL);
fcnt.nb_names =
filter2str(p_mgr, filter_name, p_filter, T_DNAMES, 0);
}
}
/* start building the whole request */
req = g_string_new("SELECT ");
g_string_append_printf(req, "%s FROM ", fields->str);
/* FROM clause */
if (use_acct_table) {
g_string_append(req, ACCT_TABLE);
query_tab = T_ACCT;
} else {
bool distinct;
filter_from(p_mgr, &fcnt, req, &query_tab, &distinct, AOF_SKIP_NAME);
if (filter_name != NULL && !GSTRING_EMPTY(filter_name)) {
g_string_append_printf(req, " INNER JOIN (SELECT DISTINCT(id)"
" FROM " DNAMES_TABLE " WHERE %s) N"
" ON %s.id=N.id", filter_name->str,
table2name(query_tab));
/* FIXME: what if NAMES is the query tab? */
}
/* FIXME: do the same for stripe items */
}
/* Build the request */
if (!GSTRING_EMPTY(where))
g_string_append_printf(req, " WHERE %s", where->str);
if (!GSTRING_EMPTY(group_by))
g_string_append_printf(req, " GROUP BY %s", group_by->str);
if (!GSTRING_EMPTY(having))
g_string_append_printf(req, " HAVING %s", having->str);
if (!GSTRING_EMPTY(order_by))
g_string_append_printf(req, " ORDER BY %s", order_by->str);
/* iterator opt */
if (opt.list_count_max > 0)
g_string_append_printf(req, " LIMIT %u", opt.list_count_max);
retry:
/* execute request (expect that ACCT table does not exists) */
if (use_acct_table)
rc = db_exec_sql_quiet(&p_mgr->conn, req->str,
&p_report->select_result);
else
rc = db_exec_sql(&p_mgr->conn, req->str, &p_report->select_result);
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
/* if the ACCT table does exist, switch to standard mode */
if (use_acct_table && (rc == DB_NOT_EXISTS)) {
lmgr_iter_opt_t new_opt;
if (p_opt != NULL)
new_opt = *p_opt;
else
new_opt.list_count_max = 0;
new_opt.force_no_acct = true;
DisplayLog(LVL_EVENT, LISTMGR_TAG,
"No accounting info: switching to standard query mode");
g_string_free(req, TRUE);
g_string_free(fields, TRUE);
g_string_free(group_by, TRUE);
g_string_free(order_by, TRUE);
g_string_free(having, TRUE);
g_string_free(where, TRUE);
if (filter_name != NULL)
g_string_free(filter_name, TRUE);
return ListMgr_Report(p_mgr, report_desc_array, report_descr_count,
profile_descr, p_filter, &new_opt);
}
free_str:
/* these are always allocated */
g_string_free(fields, TRUE);
g_string_free(group_by, TRUE);
g_string_free(order_by, TRUE);
g_string_free(having, TRUE);
g_string_free(where, TRUE);
/* these may not be allocated */
if (req != NULL)
g_string_free(req, TRUE);
if (filter_name != NULL)
g_string_free(filter_name, TRUE);
if (rc == DB_SUCCESS)
return p_report;
/* error */
MemFree(p_report->result);
free_report:
MemFree(p_report);
return NULL;
} /* ListMgr_Report */
/**
* Main daemon routine
*/
int main( int argc, char **argv )
{
int c = 0;
char *bin = basename( argv[0] );
int rc;
char err_msg[4096];
robinhood_config_t config;
int chgd = 0;
/* options */
char config_file[MAX_OPT_LEN] = "";
char badcfg[RBH_PATH_MAX];
int force_log_level = FALSE;
int log_level = 0;
int margin = 0;
char output_file[MAX_OPT_LEN] = "/tmp/lov_objid";
lmgr_t lmgr;
FILE * out;
/* parse command line options */
while ((c = getopt(argc, argv, OPT_STRING)) != -1)
{
switch (c)
{
case 'l':
force_log_level = TRUE;
log_level = str2debuglevel(optarg);
if (log_level == -1)
{
fprintf( stderr,
"Unsupported log level '%s'. CRIT, MAJOR, EVENT, VERB, DEBUG or FULL expected.\n",
optarg );
exit(1);
}
break;
case 'f':
rh_strncpy(config_file, optarg, MAX_OPT_LEN);
break;
case 'o':
rh_strncpy(output_file, optarg, MAX_OPT_LEN);
break;
case 'm':
margin = str2int(optarg);
if (margin < 0)
{
fprintf( stderr,
"Invalid parameter '%s' for '-m' option: positive integer expected\n",
optarg );
exit(1);
}
break;
case ':':
case '?':
default:
display_help(bin);
exit( 1 );
break;
}
}
/* get default config file, if not specified */
if (SearchConfig(config_file, config_file, &chgd, badcfg, MAX_OPT_LEN) != 0)
{
fprintf(stderr, "No config file (or too many) found matching %s\n", badcfg);
exit(2);
}
else if (chgd)
{
fprintf(stderr, "Using config file '%s'.\n", config_file );
}
/* only read ListMgr config */
if ( ReadRobinhoodConfig( 0, config_file, err_msg, &config, FALSE ) )
{
fprintf( stderr, "Error reading configuration file '%s': %s\n", config_file, err_msg );
exit( 1 );
}
process_config_file = config_file;
/* set global configuration */
global_config = config.global_config;
if ( force_log_level )
config.log_config.debug_level = log_level;
else
config.log_config.debug_level = LVL_MAJOR; /* no event message */
/* set logging to stderr for this tool */
strcpy( config.log_config.log_file, "stderr" );
strcpy( config.log_config.report_file, "stderr" );
strcpy( config.log_config.alert_file, "stderr" );
/* Initialize logging */
rc = InitializeLogs( bin, &config.log_config );
if ( rc )
{
fprintf( stderr, "Error opening log files: rc=%d, errno=%d: %s\n",
rc, errno, strerror( errno ) );
exit( rc );
}
/* Initialize list manager */
rc = ListMgr_Init( &config.lmgr_config, TRUE );
if ( rc )
{
DisplayLog( LVL_CRIT, TAG, "Error %d initializing list manager", rc );
exit( rc );
}
else
DisplayLog( LVL_DEBUG, TAG, "ListManager successfully initialized" );
if ( CheckLastFS( ) != 0 )
exit( 1 );
/* Create database access */
rc = ListMgr_InitAccess( &lmgr );
if ( rc )
{
DisplayLog( LVL_CRIT, TAG, "Error %d: cannot connect to database", rc );
exit( rc );
}
out = fopen(output_file, "w");
if (!out)
{
DisplayLog(LVL_CRIT, TAG, "Failed to open '%s' for writting: %s", output_file,
strerror(errno));
return errno;
}
/* direct SQL request to retrieve the max object index from DB */
result_handle_t res;
/* FIXME max on the low weight 32bits of the 'objid' 64bits value */
rc = db_exec_sql(&lmgr.conn, "SELECT ostidx, max(hex(cast(reverse(cast(details as binary(8))) as binary(4)))) "
"FROM "STRIPE_ITEMS_TABLE" GROUP BY ostidx ORDER BY ostidx", &res);
if (rc)
goto db_error;
int index = -1;
do
{
char *resstr[2];
unsigned int ostidx;
unsigned int objid;
unsigned long long objid_long;
resstr[0] = resstr[1] = NULL;
rc = db_next_record( &lmgr.conn, &res, resstr, 2 );
if (rc == DB_END_OF_LIST)
break;
else if (rc != DB_SUCCESS)
goto db_error;
index ++;
if (resstr[0] == NULL || resstr[1] == NULL)
{
DisplayLog(LVL_MAJOR, TAG, "ERROR: got NULL record from DB at index %u", index);
rc = EINVAL;
goto out;
}
/* resstr[0] is ost_idx */
if (sscanf(resstr[0], "%u", &ostidx) != 1)
{
DisplayLog(LVL_MAJOR, TAG, "ERROR: cannot parse OST index '%s' at index %u", resstr[0], index);
rc = EINVAL;
goto out;
}
else if (ostidx != index)
{
DisplayLog(LVL_MAJOR, TAG, "Warning: OST index %u not found in database, assuming current objid=1",
index);
objid_long = 1 + margin;
printf("ostidx=%u, max objid=%016LX\n", ostidx, objid_long);
fwrite(&objid_long, sizeof(objid_long), 1, out);
continue;
}
/* resstr[1] is objid (hexa) */
if (sscanf(resstr[1], "%X", &objid) != 1)
{
DisplayLog(LVL_MAJOR, TAG, "ERROR: cannot parse objid '%s' at index %u", resstr[1], index);
rc = EINVAL;
goto out;
}
objid_long = objid + margin;
printf("ostidx=%u, objid=%016LX\n", ostidx, objid_long);
fwrite(&objid_long, sizeof(objid_long), 1, out);
} while(rc == 0);
fclose(out);
ListMgr_CloseAccess( &lmgr );
return 0;
db_error:
DisplayLog( LVL_CRIT, TAG, "Database error %d\n", rc);
out:
ListMgr_CloseAccess( &lmgr );
return rc;
}
/**
* Builds a report from database.
*/
struct lmgr_report_t *ListMgr_Report( lmgr_t * p_mgr,
const report_field_descr_t * report_desc_array,
unsigned int report_descr_count,
const profile_field_descr_t * profile_descr,
const lmgr_filter_t * p_filter,
const lmgr_iter_opt_t * p_opt )
{
unsigned int i;
/* A query consists of 5 parts:
* - List of fields to be selected
* - FROM clause with joins
* - WHERE clause (filters)
* - GROUP BY clause
* - ORBER BY clause
*/
char fields[1024] = "";
char from[512] = "";
char where[2048] = "";
char having[2048] = "";
char group_by[512] = "";
char order_by[512] = "";
char query[4096] = "";
/* filters on NAMES or STRIPE_ITEMS
* must be managed differently, as they
* can create duplicates (non uniq id) */
char name_filter_str[1024] = "";
char stripe_filter_str[1024] = "";
char *curr_field = fields;
char *curr_group_by = group_by;
char *curr_sort = order_by;
char *curr_query = query;
char *curr_where = where;
char *curr_having = having;
char attrname[128];
char attrstring[1024];
lmgr_report_t *p_report;
int rc;
table_enum query_tab;
/* supported report fields: ENTRIES, ANNEX_INFO or ACCT */
int main_table_flag = FALSE;
int annex_table_flag = FALSE;
int acct_table_flag = FALSE;
int filter_main = 0;
int filter_annex = 0;
int filter_stripe_info = 0;
int filter_stripe_items = 0;
int filter_names = 0;
int filter_acct = 0;
int full_acct = TRUE;
lmgr_iter_opt_t opt = {0};
unsigned int profile_len = 0;
unsigned int ratio = 0;
/* check profile argument and increase output array if needed */
if (profile_descr != NULL)
{
if (profile_descr->attr_index != ATTR_INDEX_size)
{
DisplayLog(LVL_CRIT, LISTMGR_TAG, "Profile on attribute #%u is not supported",
profile_descr->attr_index);
return NULL;
}
profile_len = SZ_PROFIL_COUNT;
if (profile_descr->range_ratio_len > 0)
ratio = 1;
}
/* allocate a new report structure */
p_report = ( lmgr_report_t * ) MemAlloc( sizeof( lmgr_report_t ) );
if ( !p_report )
return NULL;
p_report->p_mgr = p_mgr;
p_report->result_type_array =
( db_type_t * ) MemCalloc( report_descr_count + profile_len + ratio,
sizeof( db_type_t ) );
if ( !p_report->result_type_array )
goto free_report;
p_report->result_count = report_descr_count + profile_len + ratio;
p_report->profile_count = profile_len;
p_report->ratio_count = ratio;
if (profile_descr != NULL)
p_report->profile_attr = ATTR_INDEX_size;
/* initialy, no char * tab allocated */
p_report->str_tab = NULL;
if (p_opt)
opt = *p_opt;
for ( i = 0; i < report_descr_count; i++ )
{
if ( ( report_desc_array[i].report_type != REPORT_COUNT ) &&
#ifdef ATTR_INDEX_dircount
report_desc_array[i].attr_index != ATTR_INDEX_dircount &&
#endif
!is_acct_field( report_desc_array[i].attr_index ) &&
!is_acct_pk( report_desc_array[i].attr_index ) )
full_acct = FALSE;
}
if ( p_filter )
{
if ( p_filter->filter_type == FILTER_SIMPLE )
{
for ( i = 0; i < p_filter->filter_simple.filter_count; i++ )
{
if ( !is_acct_pk( p_filter->filter_simple.filter_index[i] ) &&
!is_acct_field( p_filter->filter_simple.filter_index[i] ) )
full_acct = FALSE;
}
}
}
if ( full_acct && !opt.force_no_acct )
{
listmgr_optimizedstat( p_report, p_mgr, report_descr_count, report_desc_array,
profile_descr,
fields, &curr_field, group_by, &curr_group_by, order_by, &curr_sort,
having, &curr_having, where, &curr_where);
acct_table_flag = TRUE;
}
else /* not only ACCT table */
{
/* sorting by ratio first */
if (profile_descr && profile_descr->range_ratio_len > 0)
{
if ( profile_descr->attr_index == ATTR_INDEX_size )
{
if (profile_descr->range_ratio_sort == SORT_ASC)
add_string( order_by, curr_sort, "sizeratio ASC");
else
add_string( order_by, curr_sort, "sizeratio DESC");
}
}
for ( i = 0; i < report_descr_count; i++ )
{
/* no field for count or distinct count */
if ( report_desc_array[i].report_type != REPORT_COUNT &&
report_desc_array[i].report_type != REPORT_COUNT_DISTINCT )
{
/* in what table is this field ? */
if ( is_main_field( report_desc_array[i].attr_index ) )
main_table_flag = TRUE;
else if ( is_annex_field( report_desc_array[i].attr_index ) )
annex_table_flag = TRUE;
else
{
/* Not supported yet */
DisplayLog( LVL_CRIT, LISTMGR_TAG,
"Error: report on attribute #%u is not supported (report item #%u).",
report_desc_array[i].attr_index, i );
goto free_field_tab;
}
}
sprintf( attrname, "attr%u", i );
/* what kind of stat on this field ? */
switch ( report_desc_array[i].report_type )
{
case REPORT_MIN:
sprintf( attrstring, "MIN( %s ) as %s",
field_str( report_desc_array[i].attr_index ), attrname );
add_string( fields, curr_field, attrstring );
p_report->result_type_array[i] = field_type( report_desc_array[i].attr_index );
break;
case REPORT_MAX:
sprintf( attrstring, "MAX( %s ) as %s",
field_str( report_desc_array[i].attr_index ), attrname );
add_string( fields, curr_field, attrstring );
p_report->result_type_array[i] = field_type( report_desc_array[i].attr_index );
break;
case REPORT_AVG:
sprintf( attrstring, "ROUND(AVG( %s )) as %s",
field_str( report_desc_array[i].attr_index ), attrname );
add_string( fields, curr_field, attrstring );
p_report->result_type_array[i] = field_type( report_desc_array[i].attr_index );
break;
case REPORT_SUM:
sprintf( attrstring, "SUM( %s ) as %s",
field_str( report_desc_array[i].attr_index ), attrname );
add_string( fields, curr_field, attrstring );
p_report->result_type_array[i] = field_type( report_desc_array[i].attr_index );
break;
case REPORT_COUNT:
sprintf( attrstring, "COUNT(*) as %s", attrname );
add_string( fields, curr_field, attrstring );
p_report->result_type_array[i] = DB_BIGUINT;
break;
case REPORT_COUNT_DISTINCT:
sprintf( attrstring, "COUNT(DISTINCT(%s)) as %s",
field_str( report_desc_array[i].attr_index ), attrname );
add_string( fields, curr_field, attrstring );
p_report->result_type_array[i] = DB_BIGUINT;
break;
case REPORT_GROUP_BY:
sprintf( attrstring, "%s as %s", field_str( report_desc_array[i].attr_index ),
attrname );
add_string( fields, curr_field, attrstring );
add_string( group_by, curr_group_by, attrname );
p_report->result_type_array[i] = field_type( report_desc_array[i].attr_index );
break;
}
/* is this field sorted ? */
if ( report_desc_array[i].sort_flag == SORT_ASC )
{
sprintf( attrstring, "%s ASC", attrname );
add_string( order_by, curr_sort, attrstring );
}
else if ( report_desc_array[i].sort_flag == SORT_DESC )
{
sprintf( attrstring, "%s DESC", attrname );
add_string( order_by, curr_sort, attrstring );
}
/* is this field filtered ? */
listmgr_fieldfilter( p_report, p_mgr, report_desc_array, attrstring, attrname,
having, &curr_having, where, &curr_where, i );
}
/* generate size profile */
if (profile_descr != NULL)
{
if (profile_descr->attr_index == ATTR_INDEX_size)
{
add_string( fields, curr_field, "SUM(size=0)" );
for (i=1; i < SZ_PROFIL_COUNT-1; i++)
curr_field += sprintf(curr_field, ",SUM("ACCT_SZ_VAL("size")"=%u)", i-1);
curr_field += sprintf(curr_field, ",SUM("ACCT_SZ_VAL("size")">=%u)", i-1);
for (i=0; i<SZ_PROFIL_COUNT; i++)
p_report->result_type_array[i+report_descr_count] = DB_BIGUINT;
if (profile_descr->range_ratio_len > 0)
{
/* add ratio field and sort it */
attrstring[0] = '\0';
char *curr_attr = attrstring;
curr_attr += sprintf(curr_attr, "SUM(size>=%Lu",
SZ_MIN_BY_INDEX(profile_descr->range_ratio_start));
/* is the last range = 1T->inf ? */
if (profile_descr->range_ratio_start + profile_descr->range_ratio_len >= SZ_PROFIL_COUNT)
curr_attr += sprintf(curr_attr, ")");
else
curr_attr += sprintf(curr_attr, " and size<%Lu)",
SZ_MIN_BY_INDEX(profile_descr->range_ratio_start+profile_descr->range_ratio_len));
curr_attr += sprintf(curr_attr, "/COUNT(*) as sizeratio");
add_string( fields, curr_field, attrstring );
}
}
}
}
/* filter */
if ( p_filter )
{
if ( ( full_acct && !opt.force_no_acct ) )
{
filter_acct = filter2str( p_mgr, curr_where, p_filter, T_ACCT,
( where != curr_where ), TRUE );
curr_where += strlen( curr_where );
if ( filter_acct )
acct_table_flag =TRUE;
}
else
{
/* filter on main table? */
filter_main = filter2str( p_mgr, curr_where, p_filter, T_MAIN,
( where != curr_where ), TRUE );
curr_where += strlen( curr_where );
if ( filter_main )
main_table_flag = TRUE;
/* filter on annex table? */
if ( annex_table )
{
filter_annex = filter2str( p_mgr, curr_where, p_filter, T_ANNEX,
(where != curr_where), TRUE );
curr_where += strlen( curr_where );
if ( filter_annex )
annex_table_flag = TRUE;
}
filter_stripe_info =
filter2str( p_mgr, curr_where, p_filter, T_STRIPE_INFO,
(where != curr_where), TRUE );
curr_where += strlen( curr_where );
/* filter on names table is particular as this may duplicate
* entries when computing the report (multiple hardlinks) */
filter_names = filter2str(p_mgr, name_filter_str, p_filter, T_DNAMES,
FALSE, FALSE );
/* filter on stripe items table is particular as this may duplicate
* entries when computing the report (multiple stripes) */
filter_stripe_items = filter2str(p_mgr, stripe_filter_str, p_filter,
T_STRIPE_ITEMS, FALSE, FALSE);
}
}
/* FROM clause */
if ( acct_table_flag )
{
strcpy( from, ACCT_TABLE );
query_tab = T_ACCT;
}
else
{
const char * first_table = NULL;
char * curr_from = from;
if ( main_table_flag ) {
strcpy(from, MAIN_TABLE);
curr_from = from + strlen(from);
first_table = MAIN_TABLE;
query_tab = T_MAIN;
}
if ( annex_table_flag )
{
if (first_table)
curr_from += sprintf(curr_from, " LEFT JOIN "ANNEX_TABLE" ON %s.id="ANNEX_TABLE".id",
first_table);
else
{
strcpy(from, ANNEX_TABLE);
curr_from = from + strlen(from);
first_table = ANNEX_TABLE;
query_tab = T_ANNEX;
}
}
if ( filter_stripe_info )
{
if (first_table)
curr_from += sprintf(curr_from, " INNER JOIN "STRIPE_INFO_TABLE" ON %s.id="STRIPE_INFO_TABLE".id",
first_table);
else
{
strcpy(from, STRIPE_INFO_TABLE);
curr_from = from + strlen(from);
first_table = STRIPE_INFO_TABLE;
query_tab = T_STRIPE_INFO;
}
}
if (filter_names)
{
if (first_table)
curr_from += sprintf(curr_from," INNER JOIN (SELECT DISTINCT(id)"
" FROM "DNAMES_TABLE" WHERE %s) N"
" ON %s.id=N.id", name_filter_str,
first_table);
else
{
DisplayLog(LVL_CRIT, LISTMGR_TAG, "Unexpected case: "DNAMES_TABLE
" table can't be the query table in %s()", __func__);
goto free_field_tab;
}
}
if (filter_stripe_items)
{
if (first_table)
curr_from += sprintf(curr_from, " INNER JOIN (SELECT DISTINCT(id)"
" FROM "STRIPE_ITEMS_TABLE" WHERE %s) SI"
" ON %s.id=SI.id", stripe_filter_str,
first_table);
else
{
strcpy(from, STRIPE_ITEMS_TABLE);
curr_from = from + strlen(from);
strcpy(curr_where, stripe_filter_str);
curr_where += strlen(curr_where);
first_table = STRIPE_ITEMS_TABLE;
query_tab = T_STRIPE_ITEMS;
/* XXX the caller is supposed to select DISTINCT(id) in this case */
}
}
}
/* Build the request */
curr_query += sprintf( query, "SELECT %s FROM %s", fields, from );
if ( where[0] )
{
curr_query += sprintf( curr_query, " WHERE %s", where );
}
if ( group_by[0] )
{
curr_query += sprintf( curr_query, " GROUP BY %s", group_by );
}
if ( having[0] )
{
curr_query += sprintf( curr_query, " HAVING %s", having );
}
if ( order_by[0] )
{
curr_query += sprintf( curr_query, " ORDER BY %s", order_by );
}
/* iterator opt */
if ( opt.list_count_max > 0 )
{
curr_query += sprintf( curr_query, " LIMIT %u", opt.list_count_max );
}
#ifdef _DEBUG_DB
printf( "Report is specified by: %s\n", query );
#endif
retry:
/* execute request (expect that ACCT table does not exists) */
if (acct_table_flag)
rc = db_exec_sql_quiet( &p_mgr->conn, query, &p_report->select_result );
else
rc = db_exec_sql( &p_mgr->conn, query, &p_report->select_result );
if (lmgr_delayed_retry(p_mgr, rc))
goto retry;
/* if the ACCT table does exist, switch to standard mode */
if ( acct_table_flag && (rc == DB_NOT_EXISTS))
{
lmgr_iter_opt_t new_opt;
if (p_opt != NULL)
new_opt = *p_opt;
else
new_opt.list_count_max = 0;
new_opt.force_no_acct = TRUE;
DisplayLog( LVL_EVENT, LISTMGR_TAG, "No accounting info: switching to standard query mode" );
return ListMgr_Report( p_mgr, report_desc_array, report_descr_count,
profile_descr,
p_filter, &new_opt );
}
if ( rc )
goto free_field_tab;
else
return p_report;
/* error handlers */
free_field_tab:
MemFree( p_report->result_type_array );
free_report:
MemFree( p_report );
return NULL;
} /* ListMgr_Report */