support for the MyDDAS interface library

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1465 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

MYDDAS/myddas_util.h

@@ -0,0 +1,71 @@
+#ifndef __MYDDAS_UTIL_H__
+#define __MYDDAS_UTIL_H__
+
+#include <stdio.h>
+#ifdef MYDDAS_ODBC
+#include <sql.h>
+#endif
+
+
+typedef struct list_connection *MYDDAS_UTIL_CONNECTION;
+typedef struct list_preds *MYDDAS_UTIL_PREDICATE;
+
+#ifdef MYDDAS_STATS
+#include <time.h>
+#include <sys/time.h>
+#endif
+
+
+/* Adds a connection identifier to the MYDDAS connections list*/
+MYDDAS_UTIL_CONNECTION 
+myddas_util_add_connection(void *,void *);
+/* Search for the node of the specified connection*/
+MYDDAS_UTIL_CONNECTION 
+myddas_util_search_connection(void *);
+/* Deletes a connection node from the MYDDAS connections list*/
+void 
+myddas_util_delete_connection(void *);
+
+/* Adds a new predicate to it's connection node list*/
+MYDDAS_UTIL_CONNECTION 
+myddas_util_add_predicate(char *,int , char *,void *);
+/* Search for a predicate node in it's connection list*/
+MYDDAS_UTIL_PREDICATE
+myddas_util_search_predicate(char *,int , char *);
+
+#ifdef MYDDAS_ODBC
+/* Return enviromment identifier*/
+SQLHENV
+myddas_util_get_odbc_enviromment(SQLHDBC);
+#endif 
+
+void *
+myddas_util_get_list_pred(MYDDAS_UTIL_CONNECTION);
+void *
+myddas_util_get_pred_next(void *);
+char *
+myddas_util_get_pred_name(void *);
+int 
+myddas_util_get_pred_arity(void *);
+
+
+#ifdef MYDDAS_STATS
+int 
+myddas_util_get_conn_total_rows(MYDDAS_UTIL_CONNECTION);
+void 
+myddas_util_set_conn_total_rows(MYDDAS_UTIL_CONNECTION,int);
+unsigned long
+myddas_util_get_conn_total_time_DBServer(MYDDAS_UTIL_CONNECTION);
+void 
+myddas_util_set_conn_total_time_DBServer(MYDDAS_UTIL_CONNECTION,unsigned long);
+
+unsigned long
+myddas_current_time(void);
+#endif
+
+
+#ifdef DEBUG
+void check_int(void);
+#endif
+
+#endif /*__MYDDAS_UTIL_H__*/