* included in all copies or substantial portions of the Software.
*/
-struct trace_collection;
-struct GHashTable;
+#include <unistd.h>
-/*
- * The context represents the object in which a trace_collection is
- * open. As long as this structure is allocated, the trace_collection is
- * open and the traces it contains can be read and seeked by the
- * iterators and callbacks.
- *
- * It has to be created with the bt_context_create() function and
- * destroyed by calling one more bt_context_put() than bt_context_get()
- */
-struct bt_context {
- struct trace_collection *tc;
- GHashTable *trace_handles;
- int refcount;
- int last_trace_handle_id;
-};
+/* struct bt_context is opaque to the user */
+struct bt_context;
+struct stream_pos;
/*
* bt_context_create : create a Babeltrace context
/*
* bt_context_add_trace : Add a trace by path to the context
*
- * Open a trace
+ * Open a trace. Parameter packet_seek can be NULL to use the default
+ * packet_seek handle of the format.
*
- * Return the trace handle id of the opened trace
+ * Return: the trace handle id (>= 0) on success, a negative
+ * value on error.
*/
int bt_context_add_trace(struct bt_context *ctx, const char *path,
- const char *format);
-
-/*
- * bt_context_add_traces: Open a trace recursively
- *
- * Find each trace present in the subdirectory starting from the given
- * path, and add them to the context.
- *
- * Return: 0 on success, nonzero on failure.
- */
-int bt_context_add_traces(struct bt_context *ctx, const char *path,
- const char *format);
+ const char *format,
+ void (*packet_seek)(struct stream_pos *pos,
+ size_t offset, int whence));
/*
* bt_context_remove_trace: Remove a trace from the context.