2 Copyright (c) 2012 Frank Lahm <franklahm@gmail.com>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
17 #endif /* HAVE_CONFIG_H */
22 #include <tracker-sparql.h>
23 #include <libtracker-miner/tracker-miner.h>
25 #include <atalk/util.h>
26 #include <atalk/errchk.h>
27 #include <atalk/logger.h>
29 #include "spotlight.h"
31 #define MAX_SL_RESULTS 20
33 static TrackerSparqlConnection *connection;
35 char *tracker_to_unix_path(const char *uri)
41 EC_NULL_LOG( f = g_file_new_for_uri(uri) );
42 EC_NULL_LOG( path = g_file_get_path(f) );
52 static int sl_mod_init(void *p)
58 LOG(log_note, logtype_sl, "sl_mod_init: %s", msg);
59 setenv("DBUS_SESSION_BUS_ADDRESS", "unix:path=/tmp/spotlight.ipc", 1);
62 connection = tracker_sparql_connection_get(NULL, &error);
64 LOG(log_error, logtype_sl, "Couldn't obtain a direct connection to the Tracker store: %s",
65 error ? error->message : "unknown error");
66 g_clear_error(&error);
75 * Return talloced query from query string
78 static const gchar *map_spotlight_to_sparql_query(slq_t *slq)
81 const gchar *sparql_query;
82 const char *sparql_query_format = "SELECT nie:url(?uri) WHERE {?uri fts:match '%s' . ?uri nie:url ?url FILTER(fn:starts-with(?url, 'file://%s')) }";
83 const char *slquery = slq->slq_qstring;
86 LOG(log_debug, logtype_sl, "query_word_from_sl_query: \"%s\"", slquery);
88 EC_NULL_LOG( word = strstr(slquery, "*==") );
89 word += 4; /* skip *== and the left enclosing quote */
90 EC_NULL( word = dalloc_strdup(slq, word) );
92 EC_NULL_LOG( p = strchr(word, '*') );
94 sparql_query = talloc_asprintf(slq, sparql_query_format, word, slq->slq_vol->v_path);
96 LOG(log_debug, logtype_sl, "query_word_from_sl_query: \"%s\"", sparql_query);
104 static void tracker_cb(GObject *source_object, GAsyncResult *res, gpointer user_data)
106 slq_t *slq = user_data;
107 TrackerSparqlCursor *cursor;
108 GError *error = NULL;
110 LOG(log_debug, logtype_sl, "tracker_cb");
112 cursor = tracker_sparql_connection_query_finish(connection, res, &error);
115 LOG(log_error, logtype_sl, "sl_mod_fetch_result: Couldn't query the Tracker Store: '%s'",
116 error ? error->message : "unknown error");
117 g_clear_error(&error);
121 slq->slq_tracker_cursor = cursor;
124 static int sl_mod_start_search(void *p)
128 const gchar *sparql_query;
129 GError *error = NULL;
131 LOG(log_debug, logtype_sl, "sl_mod_start_search: Spotlight query string: \"%s\"", slq->slq_qstring);
133 EC_NULL_LOG( sparql_query = map_spotlight_to_sparql_query(slq) );
134 LOG(log_debug, logtype_sl, "sl_mod_start_search: SPARQL query: \"%s\"", sparql_query);
137 /* Start the async query */
138 tracker_sparql_connection_query_async(connection, sparql_query, NULL, tracker_cb, slq);
141 slq->slq_tracker_cursor = tracker_sparql_connection_query(connection, sparql_query, NULL, &error);
143 LOG(log_error, logtype_sl, "Couldn't query the Tracker Store: '%s'",
144 error ? error->message : "unknown error");
145 g_clear_error(&error);
148 slq->slq_state = SLQ_STATE_RUNNING;
154 static int add_filemeta(sl_array_t *reqinfo, sl_array_t *fm_array, cnid_t id, const char *path)
161 if ((metacount = talloc_array_length(reqinfo->dd_talloc_array)) == 0)
164 LOG(log_debug, logtype_sl, "add_filemeta: metadata count: %d", metacount);
166 meta = talloc_zero(fm_array, sl_array_t);
168 for (i = 0; i < metacount; i++) {
169 if (STRCMP(reqinfo->dd_talloc_array[i], ==, "kMDItemDisplayName")) {
171 if ((p = strrchr(path, '/'))) {
172 name = dalloc_strdup(meta, p + 1);
173 dalloc_add(meta, name, "char *");
176 dalloc_add_copy(meta, &nil, sl_nil_t);
180 dalloc_add(fm_array, meta, sl_array_t);
186 static int sl_mod_fetch_result(void *p)
190 GError *error = NULL;
197 sl_array_t *fm_array;
201 if (!slq->slq_tracker_cursor) {
202 LOG(log_debug, logtype_sl, "sl_mod_fetch_result: no results found");
207 cnids = talloc_zero(slq->slq_reply, sl_cnids_t);
208 cnids->ca_cnids = talloc_zero(cnids, DALLOC_CTX);
209 cnids->ca_unkn1 = 0xadd;
210 cnids->ca_context = slq->slq_ctx2;
212 /* Prepare FileMeta */
213 fm = talloc_zero(slq->slq_reply, sl_filemeta_t);
214 fm_array = talloc_zero(fm, sl_array_t);
215 dalloc_add(fm, fm_array, sl_array_t);
217 /* For some reason the list of results always starts with a nil entry */
219 dalloc_add_copy(fm_array, &nil, sl_nil_t);
221 LOG(log_debug, logtype_sl, "sl_mod_fetch_result: now interating Tracker results cursor");
223 while (i <= MAX_SL_RESULTS && tracker_sparql_cursor_next(slq->slq_tracker_cursor, NULL, &error)) {
224 uri = tracker_sparql_cursor_get_string(slq->slq_tracker_cursor, 0, NULL);
225 EC_NULL_LOG( path = tracker_to_unix_path(uri) );
227 if ((id = cnid_for_path(slq->slq_vol->v_cdb, slq->slq_vol->v_path, path, &did)) == CNID_INVALID) {
228 LOG(log_error, logtype_sl, "sl_mod_fetch_result: cnid_for_path error");
231 LOG(log_debug, logtype_sl, "Result %d: CNID: %" PRIu32 ", path: \"%s\"", i++, ntohl(id), path);
234 dalloc_add_copy(cnids->ca_cnids, &uint64, uint64_t);
235 add_filemeta(slq->slq_reqinfo, fm_array, id, path);
242 LOG(log_error, logtype_sl, "Couldn't query the Tracker Store: '%s'",
243 error ? error->message : "unknown error");
244 g_clear_error (&error);
248 if (i < MAX_SL_RESULTS)
249 slq->slq_state = SLQ_STATE_DONE;
251 dalloc_add(slq->slq_reply, cnids, sl_cnids_t);
252 dalloc_add(slq->slq_reply, fm, sl_filemeta_t);
255 if (slq->slq_tracker_cursor) {
256 if ((ret != 0) || (slq->slq_state == SLQ_STATE_DONE)) {
257 g_object_unref(slq->slq_tracker_cursor);
258 slq->slq_tracker_cursor = NULL;
264 /* Free ressources allocated in this module */
265 static int sl_mod_close_query(void *p)
270 if (slq->slq_tracker_cursor) {
271 g_object_unref(slq->slq_tracker_cursor);
272 slq->slq_tracker_cursor = NULL;
279 static int sl_mod_error(void *p)
287 if (slq->slq_tracker_cursor) {
288 g_object_unref(slq->slq_tracker_cursor);
289 slq->slq_tracker_cursor = NULL;
296 static int sl_mod_index_file(const void *p)
298 #ifdef HAVE_TRACKER_MINER
299 /* hangs in tracker_miner_manager_new_full() for whatever reason... */
308 TrackerMinerManager *manager;
309 GError *error = NULL;
312 if ((manager = tracker_miner_manager_new_full(FALSE, &error)) == NULL) {
313 LOG(log_error, logtype_sl, "sl_mod_index_file(\"%s\"): couldn't connect to Tracker miner", f);
315 file = g_file_new_for_commandline_arg(f);
316 tracker_miner_manager_index_file(manager, file, &error);
318 LOG(log_error, logtype_sl, "sl_mod_index_file(\"%s\"): indexing failed", f);
320 LOG(log_debug, logtype_sl, "sl_mod_index_file(\"%s\"): indexing file was successful", f);
321 g_object_unref(manager);
322 g_object_unref(file);
332 struct sl_module_export sl_mod = {