Monkey Expression Database API

2 files changed, 98 insertions, 1 deletions

diff --git a/src/monkey/Makefile.am b/src/monkey/Makefile.am
index 04f951635..39e5f8d5d 100644
--- a/src/monkey/Makefile.am
+++ b/src/monkey/Makefile.am
@@ -39,7 +39,8 @@ gnunet_monkey_SOURCES = \
  gdbmi_thread.c \
  gdbmi_var_obj.c \
  gnunet-monkey.c \
- mail_sender.c
+ mail_sender.c \
+ edb_api.c
 
 gnunet_monkey_LDADD = \
   $(top_builddir)/src/util/libgnunetutil.la \
diff --git a/src/monkey/edb_api.c b/src/monkey/edb_api.c
new file mode 100644
index 000000000..32fc0bc41
--- /dev/null
+++ b/src/monkey/edb_api.c
@@ -0,0 +1,96 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009, 2010 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file monkey/edb_api.c
+ * @brief Monkey API for accessing the Expression Database (edb)
+ */
+
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_monkey_edb.h"
+#include <sqlite3.h>
+
+
+/**
+ * Context for Database connection and Expressions
+ */
+struct GNUNET_MONKEY_EDB_Context
+{
+  /**
+   *  Database connection 
+   */
+  sqlite3 *db_handle;
+};
+
+
+/**
+ * Establish a connection to the Expression Database
+ *
+ * @param db_file_name path the Expression Database file
+ * @return context to use for Accessing the Expression Database, NULL on error
+ */
+struct GNUNET_MONKEY_EDB_Context *
+GNUNET_MONKEY_EDB_connect (const char *db_file_name)
+{
+        /* TODO: Implementation */
+        return NULL;
+}
+
+
+/**
+ * Disconnect from Database, and cleanup resources
+ *
+ * @param cfg configuration to use (used to know the path of the .db file).
+ * @param service service that *this* process is implementing/providing, can be NULL
+ * @return GNUNET_OK on success, GNUNET_NO on failure
+ */
+int
+GNUNET_MONKEY_EDB_disconnect (struct GNUNET_MONKEY_EDB_Context *context)
+{
+        /* TODO: Implementation */
+        return GNUNET_OK;
+}
+
+
+/**
+ * Update the context with a list of expressions. 
+ * The list is the initializations of sub-expressions 
+ * of the expression pointed to by start_line_no and end_line_no
+ * 
+ * @param context the returned expessions will be available in it. 
+ * expression_list_head, and expression_list_tail must be null, 
+ * otherwise GNUNET_NO will be returned 
+ * @param file_name path to the file in which the expression in question exists
+ * @param start_line_no expression beginning line
+ * @param end_line_no expression end line
+ * @param iter callback function, iterator for expressions returned from the Database
+ * @param iter_cls closure for the expression iterator
+ * @return GNUNET_OK success, GNUNET_NO failure
+ */
+int
+GNUNET_MONKEY_EDB_get_expressions (struct GNUNET_MONKEY_EDB_Context *context,
+                                   const char *file_name, int start_line_no,
+                                   int end_line_no,
+                                   GNUNET_MONKEY_ExpressionIterator iter, void *iter_cls)
+{
+        /* TODO: Implementation */
+        return GNUNET_OK;
+}