Add missing converter/babeltrace-api.h

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/converter/babeltrace-api.h b/converter/babeltrace-api.h
new file mode 100644 (file)
index 0000000..d16352a
--- /dev/null
+++ b/converter/babeltrace-api.h
@@ -0,0 +1,93 @@
+#ifndef _BABELTRACE_LIB_H
+#define _BABELTRACE_LIB_H
+
+/*
+ * BabelTrace API
+ *
+ * Copyright 2010-2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+
+#include <babeltrace/types.h>
+#include <babeltrace/format.h>
+#include <babeltrace/ctf/types.h>
+#include <babeltrace/ctf-ir/metadata.h>
+
+/*
+ * struct babeltrace_iter: data structure representing an iterator on a trace
+ * collection.
+ */
+struct babeltrace_iter {
+       struct ptr_heap *stream_heap;
+       struct trace_collection *tc;
+};
+
+struct babeltrace_iter_pos {
+       GPtrArray *pos; /* struct babeltrace_iter_stream_pos */
+};
+
+struct babeltrace_iter_stream_pos {
+       struct stream_pos parent;
+       ssize_t offset;
+       size_t cur_index;
+};
+
+/*
+ * Initialization/teardown.
+ */
+struct babeltrace_iter *babeltrace_iter_create(struct trace_collection *tc);
+void babeltrace_iter_destroy(struct babeltrace_iter *iter);
+
+/*
+ * Move within the trace.
+ */
+/*
+ * babeltrace_iter_next: Move stream position to the next event.
+ *
+ * Returns 0 on success, a negative value on error
+ */
+int babeltrace_iter_next(struct babeltrace_iter *iter);
+
+/* Get the current position for each stream of the trace */
+struct babeltrace_iter_pos *
+babeltrace_iter_get_pos(struct babeltrace_iter *iter);
+
+/* The position needs to be freed after use */
+void babeltrace_iter_free_pos(struct babeltrace_iter_pos *pos);
+
+/* Seek the trace to the position */
+int babeltrace_iter_seek_pos(struct babeltrace_iter *iter,
+               struct babeltrace_iter_pos *pos);
+
+/*
+ * babeltrace_iter_seek_time: Seek the trace to the given timestamp.
+ *
+ * Return EOF if timestamp is after the last event of the trace.
+ * Return other negative value for other errors.
+ * Return 0 for success.
+ */
+int babeltrace_iter_seek_time(struct babeltrace_iter *iter,
+               uint64_t timestamp);
+
+/*
+ * babeltrace_iter_read_event: Read the current event data.
+ *
+ * @iter: trace iterator (input)
+ * @stream: stream containing event at current position (output)
+ * @event: current event (output)
+ * Return 0 on success, negative error value on error.
+ */
+int babeltrace_iter_read_event(struct babeltrace_iter *iter,
+               struct ctf_stream **stream,
+               struct ctf_stream_event **event);
+
+#endif /* _BABELTRACE_LIB_H */