[tracker/tracker-0.10] libtracker-miner: Need to keep bulk ops if we are going to queue requests



commit ec4cc47b328e12826599edcbb5e732e0dbb09115
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Thu Mar 17 16:59:30 2011 +0100

    libtracker-miner: Need to keep bulk ops if we are going to queue requests

 .../tracker-miner-fs-processing-pool.c             |   46 ++++++++++++-------
 1 files changed, 29 insertions(+), 17 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner-fs-processing-pool.c b/src/libtracker-miner/tracker-miner-fs-processing-pool.c
index 34e6d81..35f255d 100644
--- a/src/libtracker-miner/tracker-miner-fs-processing-pool.c
+++ b/src/libtracker-miner/tracker-miner-fs-processing-pool.c
@@ -211,6 +211,7 @@ typedef struct {
 	GPtrArray *tasks;
 	GArray *sparql_array;
 	GArray *error_map;
+	GPtrArray *bulk_ops;
 	guint n_bulk_operations;
 } UpdateArrayData;
 
@@ -370,10 +371,12 @@ pool_status_trace_timeout_cb (gpointer data)
 			l = g_list_next (l);
 		}
 	}
-	trace ("(Processing Pool %s) Requests being currently processed: %u (max: %u)",
+	trace ("(Processing Pool %s) Requests being currently processed: %u "
+	       "(max: %u, pending: %u)",
 	       G_OBJECT_TYPE_NAME (pool->miner),
 	       pool->n_requests,
-	       pool->limit_n_requests);
+	       pool->limit_n_requests,
+	       pool->pending_requests->length);
 	return TRUE;
 }
 #endif /* PROCESSING_POOL_ENABLE_TRACE */
@@ -403,6 +406,12 @@ update_array_data_free (UpdateArrayData *update_data)
 		g_array_free (update_data->sparql_array, TRUE);
 	}
 
+	if (update_data->bulk_ops) {
+		/* The BulkOperationMerge structs which contain the sparql strings
+		 * are deallocated here */
+		g_ptr_array_free (update_data->bulk_ops, TRUE);
+	}
+
 	g_ptr_array_free (update_data->tasks, TRUE);
 	g_array_free (update_data->error_map, TRUE);
 	g_slice_free (UpdateArrayData, update_data);
@@ -639,10 +648,11 @@ tracker_processing_pool_sparql_update_array_cb (GObject      *object,
 	pool->n_requests--;
 
 	trace ("(Processing Pool) Finished array-update %p with %u tasks "
-	       "(%u requests pending)",
+	       "(%u requests processing, %u requests queued)",
 	       update_data->tasks,
 	       update_data->tasks->len,
-	       pool->n_requests);
+	       pool->n_requests,
+	       pool->pending_requests->length);
 
 	sparql_array_errors = tracker_sparql_connection_update_array_finish (TRACKER_SPARQL_CONNECTION (object),
 	                                                                     result,
@@ -881,7 +891,7 @@ void
 tracker_processing_pool_buffer_flush (TrackerProcessingPool *pool,
                                       const gchar           *reason)
 {
-	GPtrArray *bulk_ops;
+	GPtrArray *bulk_ops = NULL;
 	GArray *sparql_array, *error_map;
 	UpdateArrayData *update_data;
 	guint i, j;
@@ -895,9 +905,6 @@ tracker_processing_pool_buffer_flush (TrackerProcessingPool *pool,
 
 	/* Loop buffer and construct array of strings */
 	sparql_array = g_array_new (FALSE, TRUE, sizeof (gchar *));
-
-	/* TODO: Avoid preallocating this, as we may not have any bulk operation */
-	bulk_ops = g_ptr_array_new_with_free_func ((GDestroyNotify) bulk_operation_merge_free);
 	error_map = g_array_new (TRUE, TRUE, sizeof (gint));
 
 	for (i = 0; i < pool->sparql_buffer->len; i++) {
@@ -927,6 +934,10 @@ tracker_processing_pool_buffer_flush (TrackerProcessingPool *pool,
 			BulkOperationMerge *bulk = NULL;
 			gint j;
 
+			if (G_UNLIKELY (!bulk_ops)) {
+				bulk_ops = g_ptr_array_new_with_free_func ((GDestroyNotify) bulk_operation_merge_free);
+			}
+
 			for (j = 0; j < bulk_ops->len; j++) {
 				BulkOperationMerge *cur;
 
@@ -951,14 +962,16 @@ tracker_processing_pool_buffer_flush (TrackerProcessingPool *pool,
 		g_array_append_val (error_map, pos);
 	}
 
-	for (j = 0; j < bulk_ops->len; j++) {
-		BulkOperationMerge *bulk;
+	if (bulk_ops) {
+		for (j = 0; j < bulk_ops->len; j++) {
+			BulkOperationMerge *bulk;
 
-		bulk = g_ptr_array_index (bulk_ops, j);
-		bulk_operation_merge_finish (bulk);
+			bulk = g_ptr_array_index (bulk_ops, j);
+			bulk_operation_merge_finish (bulk);
 
-		if (bulk->sparql) {
-			g_array_prepend_val (sparql_array, bulk->sparql);
+			if (bulk->sparql) {
+				g_array_prepend_val (sparql_array, bulk->sparql);
+			}
 		}
 	}
 
@@ -967,7 +980,8 @@ tracker_processing_pool_buffer_flush (TrackerProcessingPool *pool,
 	update_data = g_slice_new0 (UpdateArrayData);
 	update_data->pool = pool;
 	update_data->tasks = pool->sparql_buffer;
-	update_data->n_bulk_operations = bulk_ops->len;
+	update_data->bulk_ops = bulk_ops;
+	update_data->n_bulk_operations = bulk_ops ? bulk_ops->len : 0;
 	update_data->error_map = error_map;
 	update_data->sparql_array = sparql_array;
 
@@ -983,8 +997,6 @@ tracker_processing_pool_buffer_flush (TrackerProcessingPool *pool,
 		g_object_unref (pool->sparql_buffer_current_parent);
 		pool->sparql_buffer_current_parent = NULL;
 	}
-
-	g_ptr_array_free (bulk_ops, TRUE);
 }
 
 gboolean



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