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[lttngtop.git] / lib / babeltrace / format.h

diff --git a/lib/babeltrace/format.h b/lib/babeltrace/format.h
new file mode 100644 (file)
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+++ b/lib/babeltrace/format.h
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+#ifndef _BABELTRACE_FORMAT_H
+#define _BABELTRACE_FORMAT_H
+
+/*
+ * BabelTrace
+ *
+ * Trace Format Header
+ *
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/list.h>
+#include <babeltrace/clock-types.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int bt_intern_str;
+
+/* forward declaration */
+struct bt_stream_pos;
+struct bt_context;
+struct bt_trace_handle;
+struct bt_trace_descriptor;
+
+struct bt_mmap_stream {
+       int fd;
+       struct bt_list_head list;
+};
+
+struct bt_mmap_stream_list {
+       struct bt_list_head head;
+};
+
+struct bt_format {
+       bt_intern_str name;
+
+       struct bt_trace_descriptor *(*open_trace)(const char *path, int flags,
+                       void (*packet_seek)(struct bt_stream_pos *pos,
+                               size_t index, int whence),
+                       FILE *metadata_fp);
+       struct bt_trace_descriptor *(*open_mmap_trace)(
+                       struct bt_mmap_stream_list *mmap_list,
+                       void (*packet_seek)(struct bt_stream_pos *pos,
+                               size_t index, int whence),
+                       FILE *metadata_fp);
+       int (*close_trace)(struct bt_trace_descriptor *descriptor);
+       void (*set_context)(struct bt_trace_descriptor *descriptor,
+                       struct bt_context *ctx);
+       void (*set_handle)(struct bt_trace_descriptor *descriptor,
+                       struct bt_trace_handle *handle);
+       uint64_t (*timestamp_begin)(struct bt_trace_descriptor *descriptor,
+                       struct bt_trace_handle *handle, enum bt_clock_type type);
+       uint64_t (*timestamp_end)(struct bt_trace_descriptor *descriptor,
+                       struct bt_trace_handle *handle, enum bt_clock_type type);
+       int (*convert_index_timestamp)(struct bt_trace_descriptor *descriptor);
+};
+
+extern struct bt_format *bt_lookup_format(bt_intern_str qname);
+extern void bt_fprintf_format_list(FILE *fp);
+extern int bt_register_format(struct bt_format *format);
+extern void bt_unregister_format(struct bt_format *format);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BABELTRACE_FORMAT_H */