Sansar Choinyambuu
8ed9f5552e
Modified existing file_enumerator function to include just measurement requests
135 lines
3.4 KiB
C
135 lines
3.4 KiB
C
/*
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* Copyright (C) 2011 Sansar Choinyambuu
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "pts_database.h"
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#include <debug.h>
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#include <crypto/hashers/hasher.h>
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typedef struct private_pts_database_t private_pts_database_t;
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/**
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* Private data of a pts_database_t object.
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*
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*/
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struct private_pts_database_t {
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/**
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* Public pts_database_t interface.
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*/
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pts_database_t public;
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/**
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* database instance
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*/
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database_t *db;
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};
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METHOD(pts_database_t, create_file_enumerator, enumerator_t*,
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private_pts_database_t *this, char *product)
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{
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enumerator_t *e;
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/* look for all entries belonging to a product in the files table */
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e = this->db->query(this->db,
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"SELECT f.id, f.type, f.path FROM files AS f "
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"JOIN product_file AS pf ON f.id = pf.file "
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"JOIN products AS p ON p.id = pf.product "
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"WHERE p.name = ? AND f.measurement = 1",
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DB_TEXT, product, DB_INT, DB_INT, DB_TEXT);
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return e;
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}
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METHOD(pts_database_t, create_file_meta_enumerator, enumerator_t*,
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private_pts_database_t *this, char *product)
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{
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enumerator_t *e;
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/* look for all entries belonging to a product in the files table */
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e = this->db->query(this->db,
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"SELECT f.type, f.path FROM files AS f "
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"JOIN product_file AS pf ON f.id = pf.file "
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"JOIN products AS p ON p.id = pf.product "
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"WHERE p.name = ? AND f.metadata = 1",
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DB_TEXT, product, DB_INT, DB_TEXT);
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return e;
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}
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METHOD(pts_database_t, create_hash_enumerator, enumerator_t*,
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private_pts_database_t *this, char *product, pts_meas_algorithms_t algo,
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int id, bool is_dir)
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{
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enumerator_t *e;
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if (is_dir)
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{
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e = this->db->query(this->db,
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"SELECT f.path, fh.hash FROM file_hashes AS fh "
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"JOIN files AS f ON fh.file = f.id "
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"JOIN products AS p ON fh.product = p.id "
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"WHERE p.name = ? AND fh.directory = ? AND fh.algo = ? "
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"ORDER BY f.path",
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DB_TEXT, product, DB_INT, id, DB_INT, algo, DB_TEXT, DB_BLOB);
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}
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else
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{
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e = this->db->query(this->db,
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"SELECT f.path, fh.hash FROM file_hashes AS fh "
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"JOIN files AS f ON fh.file = f.id "
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"JOIN products AS p ON fh.product = p.id "
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"WHERE p.name = ? AND fh.file = ? AND fh.algo = ?",
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DB_TEXT, product, DB_INT, id, DB_INT, algo, DB_TEXT, DB_BLOB);
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}
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return e;
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}
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METHOD(pts_database_t, destroy, void,
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private_pts_database_t *this)
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{
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this->db->destroy(this->db);
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free(this);
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}
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/**
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* See header
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*/
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pts_database_t *pts_database_create(char *uri)
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{
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private_pts_database_t *this;
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INIT(this,
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.public = {
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.create_file_enumerator = _create_file_enumerator,
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.create_file_meta_enumerator = _create_file_meta_enumerator,
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.create_hash_enumerator = _create_hash_enumerator,
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.destroy = _destroy,
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},
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.db = lib->db->create(lib->db, uri),
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);
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if (!this->db)
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{
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DBG1(DBG_PTS, "failed to connect to PTS file measurement database '%s'",
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uri);
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free(this);
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return NULL;
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}
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return &this->public;
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}
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