void init_attrset_masks( const lmgr_config_t *lmgr_config )
{
int i;
int mask = 1;
main_attr_set = 0;
annex_attr_set = 0;
gen_attr_set = 0;
stripe_attr_set = 0;
readonly_attr_set = 0;
acct_pk_attr_set = 0;
acct_attr_set = 0;
dir_attr_set = 0;
if ( lmgr_config->user_acct )
acct_pk_attr_set |= ATTR_MASK_owner;
if ( lmgr_config->group_acct )
acct_pk_attr_set |= ATTR_MASK_gr_name;
if ( lmgr_config->user_acct || lmgr_config->group_acct )
{
acct_pk_attr_set |= ATTR_MASK_type;
}
#ifdef ATTR_MASK_status
if ( lmgr_config->user_acct || lmgr_config->group_acct )
{
acct_pk_attr_set |= ATTR_MASK_status;
}
#endif
/* size: also used for size range stats */
acct_attr_set |= ATTR_MASK_size | ATTR_MASK_blocks ;
for ( i = 0; i < ATTR_COUNT; i++, mask <<= 1 )
{
/* is it read only ? */
if ( is_read_only_field( i ) )
readonly_attr_set |= mask;
if ( is_main_field( i ) )
main_attr_set |= mask;
else if ( is_gen_field( i ) )
gen_attr_set |= mask;
else if ( is_annex_field( i ) )
annex_attr_set |= mask;
else if ( is_stripe_field( i ) )
stripe_attr_set |= mask;
else if ( is_dirattr( i ) )
dir_attr_set |= mask;
}
}
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;
}
/**
* 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 */
/**
* 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 */
