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Added new features to the MyDDAS Interface, including some statistical support

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1483 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
tiagosoares
2005-12-19 13:48:42 +00:00
parent fa03c540ce
commit 53b4a0e8f6
6 changed files with 597 additions and 135 deletions
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190
MYDDAS/myddas_shared.c
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@@ -21,17 +21,61 @@
#include "Yatom.h"
#include "cut_c.h"
#include "myddas_util.h"
#include <stdlib.h>
STATIC_PROTO(int c_db_get_new_table_name,(void));
STATIC_PROTO(int c_db_connection_type,(void));
STATIC_PROTO(int c_db_add_preds,(void));
STATIC_PROTO(int c_db_preds_conn_start ,(void));
STATIC_PROTO(int c_db_preds_conn_continue ,(void));
STATIC_PROTO(int c_db_add_preds,(void));
STATIC_PROTO(int c_db_check_if_exists_pred,(void));
#ifdef MYDDAS_STATS
STATIC_PROTO(int c_db_stats,(void));
#endif
#ifdef DEBUG
STATIC_PROTO(int c_db_check,(void));
#endif
/* c_db_get_new_table_name: -TableName */
static int
c_db_get_new_table_name (void){
Term arg_con = Deref(ARG1);
Term arg_name = Deref(ARG2);
int *con = (int *) IntegerOfTerm(arg_con);
char *tableName = myddas_util_get_table_name(con);
Yap_unify(arg_name, MkAtomTerm(Yap_LookupAtom(tableName)));
free(tableName);
return TRUE;
}
/* Gives the type of a given connection,
in other words, type will be mysql or odbc
NOTE: In order to use this predicate, the connection*/
/* c_db_connection_type: +Connection * ?Type */
static int
c_db_connection_type (void){
Term arg_con = Deref(ARG1);
Term arg_type = Deref(ARG2);
int *con = (int *) IntegerOfTerm(arg_con);
short int type = myddas_util_connection_type(con);
if (type == 1) /* MYSQL Connection */
Yap_unify(arg_type, MkAtomTerm(Yap_LookupAtom("mysql")));
else if (type ==2) /* ODBC Connection */
Yap_unify(arg_type, MkAtomTerm(Yap_LookupAtom("odbc")));
else /* Not a valid connection*/
return FALSE;
return TRUE;
}
/* db_add_preds: PredName * Arity * Module * Connection*/
static int
@@ -48,7 +92,9 @@ c_db_add_preds (void){
if (myddas_util_add_predicate(nome,aridade,module,conn) == NULL)
{
#ifdef DEBUG
printf ("ERRO : Nao consegui adicionar predicado\n");
#endif
return FALSE;
}
@@ -77,8 +123,9 @@ c_db_check_if_exists_pred (void){
static int
c_db_preds_conn_start (void){
Term arg_conn = Deref(ARG1);
Term nome = Deref(ARG2);
Term aridade = Deref(ARG3);
Term module = Deref(ARG2);
Term nome = Deref(ARG3);
Term aridade = Deref(ARG4);
int *conn = (int *) IntegerOfTerm(arg_conn);
MYDDAS_UTIL_CONNECTION node =
@@ -92,9 +139,9 @@ c_db_preds_conn_start (void){
}
void *pointer = myddas_util_get_list_pred(node);
EXTRA_CBACK_ARG(3,1)=(CELL) MkIntegerTerm((int)pointer);
EXTRA_CBACK_ARG(4,1)=(CELL) MkIntegerTerm((int)pointer);
if (IsVarTerm(nome) && IsVarTerm(aridade))
if (IsVarTerm(nome) && IsVarTerm(aridade) && IsVarTerm(module))
return (c_db_preds_conn_continue());
cut_fail();
@@ -104,18 +151,20 @@ c_db_preds_conn_start (void){
/* db_preds_conn : Connection(+) * Pred_name(-) * Pred_arity*/
static int
c_db_preds_conn_continue (void){
Term nome = Deref(ARG2);
Term aridade = Deref(ARG3);
Term module = Deref(ARG2);
Term nome = Deref(ARG3);
Term aridade = Deref(ARG4);
void *pointer;
pointer = (void *) IntegerOfTerm(EXTRA_CBACK_ARG(3,1));
pointer = (void *) IntegerOfTerm(EXTRA_CBACK_ARG(4,1));
if (pointer != NULL)
{
Yap_unify(module, MkAtomTerm(Yap_LookupAtom(myddas_util_get_pred_module(pointer))));
Yap_unify(nome, MkAtomTerm(Yap_LookupAtom(myddas_util_get_pred_name(pointer))));
Yap_unify(aridade, MkIntegerTerm((int)myddas_util_get_pred_arity(pointer)));
EXTRA_CBACK_ARG(3,1)=(CELL) MkIntegerTerm((int)myddas_util_get_pred_next(pointer));
EXTRA_CBACK_ARG(4,1)=(CELL) MkIntegerTerm((int)myddas_util_get_pred_next(pointer));
return TRUE;
}
else
@@ -125,6 +174,8 @@ c_db_preds_conn_continue (void){
}
}
#ifdef DEBUG
static int
c_db_check(void){
@@ -133,14 +184,127 @@ c_db_check(void){
}
#endif /*DEBUG*/
#ifdef MYDDAS_STATS
//Returns the stats of this module in a list
static int
c_db_stats(void) {
Term arg_conn = Deref(ARG1);
Term arg_list = Deref(ARG2);
int *conn = (int *) (IntegerOfTerm(arg_conn));
//if (conn == 0) /* We want all the statistics */
MYDDAS_UTIL_CONNECTION
node = myddas_util_search_connection(conn);
Term head, list;
list = arg_list;
//[Index 1] -> Total Number of Rows by connection
//Total number of Rows returned by the server
//WARNING: only works with store_result
head = HeadOfTerm(list);
list = TailOfTerm(list);
unsigned long totalRows = myddas_util_get_conn_total_rows(node);
Yap_unify(head, MkIntegerTerm(totalRows));
#ifdef DEBUG
printf ("Total Number of Rows returned from the Server: %lu\n",totalRows);
#endif
//[Index 2] -> Total of Time Spent by the DB Server
// processing all the SQL Querys
head = HeadOfTerm(list);
list = TailOfTerm(list);
unsigned long totalTimeDBServer = myddas_util_get_conn_total_time_DBServer(node);
Yap_unify(head, MkIntegerTerm(totalTimeDBServer));
#ifdef DEBUG
printf ("Time Spent by the Server, on all the SQL Querys: %lu\n",totalTimeDBServer);
#endif
//[Index 3] -> Total of Time Spent by the DB Server
// processing a the last SQL Query
head = HeadOfTerm(list);
list = TailOfTerm(list);
unsigned long lastTimeDBServer = myddas_util_get_conn_last_time_DBServer(node);
Yap_unify(head, MkIntegerTerm(lastTimeDBServer));
#ifdef DEBUG
printf ("Time Spent by the Server, on the last SQL Query: %lu\n",lastTimeDBServer);
#endif
//[Index 4] -> Total of Time Spent by the DB Server
// transfering all the results of the SQL Querys
head = HeadOfTerm(list);
list = TailOfTerm(list);
unsigned long totalFromDBServer = myddas_util_get_conn_total_transfering_from_DBServer(node);
Yap_unify(head, MkIntegerTerm(totalFromDBServer));
#ifdef DEBUG
printf ("Time Spent by the Server, transfering all the results SQL Query: %lu\n",totalFromDBServer);
#endif
//[Index 5] -> Total of Time Spent by the DB Server
// transfering the result of the last SQL Query
head = HeadOfTerm(list);
list = TailOfTerm(list);
unsigned long lastFromDBServer = myddas_util_get_conn_last_transfering_from_DBServer(node);
Yap_unify(head, MkIntegerTerm(lastFromDBServer));
#ifdef DEBUG
printf ("Time Spent by the Server, transfering the result of the last SQL Query: %lu\n",lastFromDBServer);
#endif
//[Index 6] -> Total of Time Spent by the
// db_row_function
head = HeadOfTerm(list);
list = TailOfTerm(list);
unsigned long db_row = myddas_util_get_total_db_row_function();
Yap_unify(head, MkIntegerTerm(db_row));
#ifdef DEBUG
printf ("Time Spent by the db_row_function: %lu\n",db_row);
#endif
return TRUE;
}
#endif /* MYDDAS_STATS */
/* Function to delete all the temporary tables */
/* from the mysql server */
void Yap_MyDDAS_delete_all_myddas_structs(void)
{
//char *table_name;
//char query[500];
/* NAO ESQUECER DE FAZER ISTO TB PARA O DB_CLOSE*/
/* for(;(table_name = myddas_util_delete_all_temp_table()) != NULL ;) { */
/* printf ("%s\n",table_name); */
/* sprintf (query,"DROP TABLE IF EXISTS %s",table_name); */
/* printf ("%s\n",query); */
/* free(table_name); */
/* query[0]=0; */
/* } */
}
void Yap_InitMYDDAS_SharedPreds(void)
{
/* db_add_preds : PredName * Arity * Connection */
Yap_InitCPred("c_db_get_new_table_name",2,c_db_get_new_table_name, 0);
Yap_InitCPred("c_db_connection_type",2,c_db_connection_type, 0);
/* CORRECT THIS: db_add_preds : PredName * Arity * Connection */
Yap_InitCPred("c_db_add_preds",4,c_db_add_preds, 0);
/* db_check_if_exists_pred : PredName * Arity * Connection */
Yap_InitCPred("c_db_check_if_exists_pred",3,c_db_check_if_exists_pred, 0);
#ifdef MYDDAS_STATS
/* db_stats: Connection * Stats*/
Yap_InitCPred("c_db_stats",2, c_db_stats, 0);
#endif
#ifdef DEBUG
Yap_InitCPred("c_db_check",0, c_db_check, 0);
@@ -149,7 +313,7 @@ void Yap_InitMYDDAS_SharedPreds(void)
void Yap_InitBackMYDDAS_SharedPreds(void)
{
Yap_InitCPredBack("c_db_preds_conn", 3, sizeof(int),
Yap_InitCPredBack("c_db_preds_conn", 4, sizeof(int),
c_db_preds_conn_start,
c_db_preds_conn_continue, 0);