created libpts

2011-09-08 12:20:58 +02:00
parent 55cb8c213a
commit 3ed943c34f
52 changed files with 69 additions and 35 deletions
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "pts_database.h"
+
+#include <debug.h>
+#include <crypto/hashers/hasher.h>
+
+
+typedef struct private_pts_database_t private_pts_database_t;
+
+/**
+ * Private data of a pts_database_t object.
+ *
+ */
+struct private_pts_database_t {
+
+	/**
+	 * Public pts_database_t interface.
+	 */
+	pts_database_t public;
+
+	/**
+	 * database instance
+	 */
+	database_t *db;
+
+};
+
+METHOD(pts_database_t, create_file_enumerator, enumerator_t*,
+	private_pts_database_t *this, char *product)
+{
+	enumerator_t *e;
+
+	/* look for all entries belonging to a product in the files table */
+	e = this->db->query(this->db,
+				"SELECT f.id, f.type, f.path FROM files AS f "
+				"JOIN product_file AS pf ON f.id = pf.file "
+				"JOIN products AS p ON p.id = pf.product "
+				"WHERE p.name = ?",
+				DB_TEXT, product, DB_INT, DB_INT, DB_TEXT);
+	return e;
+}
+
+METHOD(pts_database_t, create_hash_enumerator, enumerator_t*,
+	private_pts_database_t *this, char *product, pts_meas_algorithms_t algo,
+	int id, bool is_dir)
+{
+	enumerator_t *e;
+
+	if (is_dir)
+	{
+		e = this->db->query(this->db,
+				"SELECT f.path, fh.hash FROM file_hashes AS fh "
+				"JOIN files AS f ON fh.file = f.id "
+				"JOIN products AS p ON fh.product = p.id "
+				"WHERE p.name = ? AND fh.directory = ? AND fh.algo = ? "
+				"ORDER BY f.path",
+				DB_TEXT, product, DB_INT, id, DB_INT, algo, DB_TEXT, DB_BLOB);
+	}
+	else
+	{
+		e = this->db->query(this->db,
+				"SELECT f.path, fh.hash FROM file_hashes AS fh "
+				"JOIN files AS f ON fh.file = f.id "
+				"JOIN products AS p ON fh.product = p.id "
+				"WHERE p.name = ? AND fh.file = ? AND fh.algo = ?",
+				DB_TEXT, product, DB_INT, id, DB_INT, algo, DB_TEXT, DB_BLOB);
+	}
+	return e;
+}
+
+METHOD(pts_database_t, destroy, void,
+	private_pts_database_t *this)
+{
+	this->db->destroy(this->db);
+	free(this);
+}
+
+/**
+ * See header
+ */
+pts_database_t *pts_database_create(char *uri)
+{
+	private_pts_database_t *this;
+
+	INIT(this,
+		.public = {
+			.create_file_enumerator = _create_file_enumerator,
+			.create_hash_enumerator = _create_hash_enumerator,
+			.destroy = _destroy,
+		},
+		.db = lib->db->create(lib->db, uri),
+	);
+
+	if (!this->db)
+	{
+		DBG1(DBG_TNC, "failed to connect to PTS file measurement database '%s'",
+			 uri);
+		free(this);
+		return NULL;
+	}
+
+	return &this->public;
+}
+