/** check if all fields and filters of a requested report and are in
* ACCT_TABLE */
static bool full_acct(const report_field_descr_t *report_desc_array,
unsigned int report_descr_count,
const lmgr_filter_t *p_filter)
{
int i;
for (i = 0; i < report_descr_count; i++) {
if ((report_desc_array[i].report_type != REPORT_COUNT) &&
report_desc_array[i].attr_index != ATTR_INDEX_dircount &&
!is_acct_field(report_desc_array[i].attr_index) &&
!is_acct_pk(report_desc_array[i].attr_index))
return false;
}
if (!no_filter(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]))
return false;
}
}
}
return true;
}
/**
* 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 */
static void listmgr_optimizedstat(lmgr_report_t *p_report, lmgr_t *p_mgr,
unsigned int report_descr_count,
const report_field_descr_t *
report_desc_array,
const profile_field_descr_t *profile_descr,
GString *fields, GString *group_by,
GString *order_by, GString *having,
GString *where)
{
int i;
/* sorting by ratio first */
if (profile_descr && profile_descr->range_ratio_len > 0) {
if (profile_descr->attr_index == ATTR_INDEX_size)
append_sort_order(order_by, "sizeratio",
profile_descr->range_ratio_sort);
}
for (i = 0; i < report_descr_count; i++) {
char attrname[128];
snprintf(attrname, sizeof(attrname), "attr%u", i);
if ((report_desc_array[i].report_type == REPORT_COUNT)
|| is_acct_pk(report_desc_array[i].attr_index)
|| is_acct_field(report_desc_array[i].attr_index)) {
switch (report_desc_array[i].report_type) {
case REPORT_MIN:
case REPORT_MAX:
coma_if_needed(fields);
g_string_append_printf(fields, "NULL as %s", attrname);
p_report->result[i].type = DB_TEXT;
break;
case REPORT_AVG:
coma_if_needed(fields);
g_string_append_printf(fields,
"ROUND(SUM(%s)/SUM(" ACCT_FIELD_COUNT
")) 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,
"SUM(" ACCT_FIELD_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);
} else {
coma_if_needed(fields);
g_string_append_printf(fields, "NULL as %s", attrname);
p_report->result[i].type = DB_TEXT;
}
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);
}
if (profile_descr) {
/* XXX only size profile in managed for now */
if (profile_descr->attr_index == ATTR_INDEX_size) {
for (i = 0; i < SZ_PROFIL_COUNT; i++) {
coma_if_needed(fields);
g_string_append_printf(fields, "SUM(%s)", sz_field[i]);
/* count */
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);
/* case i == 0 */
g_string_append_printf(fields, "SUM(%s",
sz_field[profile_descr->
range_ratio_start]);
for (i = 1; i < profile_descr->range_ratio_len; i++) {
g_string_append_printf(fields, "+%s",
sz_field[profile_descr->
range_ratio_start + i]);
}
g_string_append(fields,
")/SUM(" ACCT_FIELD_COUNT ") as sizeratio");
}
}
}
}
static void listmgr_optimizedstat( lmgr_report_t *p_report, lmgr_t * p_mgr,
unsigned int report_descr_count,
const report_field_descr_t *report_desc_array,
const profile_field_descr_t * profile_descr,
char *fields, char **curr_field,
char *group_by, char **curr_group_by,
char *order_by, char **curr_sort,
char *having, char **curr_having,
char *where, char **curr_where )
{
char attrstring[1024];
int i;
char attrname[128];
/* 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++ )
{
sprintf( attrname, "attr%u", i );
if( is_acct_pk( report_desc_array[i].attr_index ) || is_acct_field( report_desc_array[i].attr_index )
|| report_desc_array[i].report_type == REPORT_COUNT )
{
switch ( report_desc_array[i].report_type )
{
case REPORT_MIN:
sprintf( attrstring, "NULL as %s", attrname );
add_string( fields, *curr_field, attrstring );
p_report->result_type_array[i] = DB_TEXT;
break;
case REPORT_MAX:
sprintf( attrstring, "NULL as %s", attrname );
add_string( fields, *curr_field, attrstring );
p_report->result_type_array[i] = DB_TEXT;
break;
case REPORT_AVG:
sprintf( attrstring, "ROUND(SUM(%s)/SUM(" ACCT_FIELD_COUNT ")) 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, "SUM(" ACCT_FIELD_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 );
}
}
else
{
sprintf( attrstring, "NULL as %s", attrname );
add_string( fields, *curr_field, attrstring );
p_report->result_type_array[i] = DB_TEXT;
}
listmgr_fieldfilter( p_report, p_mgr, report_desc_array, attrstring, attrname,
having, curr_having, where, curr_where, i );
}
if (profile_descr)
{
/* XXX only size profile in managed for now */
if (profile_descr->attr_index == ATTR_INDEX_size)
{
for (i = 0; i < SZ_PROFIL_COUNT; i++)
{
(*curr_field) += sprintf(*curr_field, "%sSUM(%s)", (fields==(*curr_field))?"":",",
sz_field[i]);
p_report->result_type_array[i+report_descr_count] = DB_BIGUINT; /* count */
}
if (profile_descr->range_ratio_len > 0)
{
/* add ratio field and sort it */
attrstring[0] = '\0';
char *curr_attr = attrstring;
for (i = 0; i < profile_descr->range_ratio_len; i++)
{
if (attrstring != curr_attr)
curr_attr += sprintf(curr_attr, "+%s",
sz_field[profile_descr->range_ratio_start + i]);
else
curr_attr += sprintf(curr_attr, "SUM(%s",
sz_field[profile_descr->range_ratio_start + i]);
}
curr_attr += sprintf(curr_attr, ")/SUM("ACCT_FIELD_COUNT") as sizeratio");
add_string( fields, *curr_field, attrstring );
}
}
}
}