X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fformat.h;h=4ace0b04563067a56187063299a3bc3679995a93;hp=43b38eed350b980641ca2f8f14bb8b63f507a8d5;hb=03798a93f959f6c694fe98f5647481947607c604;hpb=a52d7f6a6dfe8c55b65eef0996b848873db39fe7

diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h
index 43b38eed..4ace0b04 100644
--- a/include/babeltrace/format.h
+++ b/include/babeltrace/format.h
@@ -6,79 +6,73 @@
  *
  * Trace Format Header
  *
- * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
  *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
+ * 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:
  *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  */
 
+#include <babeltrace/list.h>
+#include <babeltrace/clock-types.h>
 #include <stdint.h>
-#include <glib.h>
+#include <stdio.h>
 
-struct format {
-	GQuark name;
+typedef int bt_intern_str;
 
-	uint64_t (*uint_read)(struct stream_pos *pos,
-			const struct type_class_integer *int_class);
-	int64_t (*int_read)(struct stream_pos *pos,
-			const struct type_class_integer *int_class);
-	void (*uint_write)(struct stream_pos *pos,
-			   const struct type_class_integer *int_class,
-			   uint64_t v);
-	void (*int_write)(struct stream_pos *pos,
-			  const struct type_class_integer *int_class,
-			  int64_t v);
+/* forward declaration */
+struct stream_pos;
+struct bt_context;
+struct bt_trace_handle;
 
-	uint64_t (*bitfield_unsigned_read)(struct stream_pos *pos,
-			const struct type_class_bitfield *bitfield_class);
-	int64_t (*bitfield_signed_read)(struct stream_pos *pos,
-			const struct type_class_bitfield *bitfield_class);
-	void (*bitfield_unsigned_write)(struct stream_pos *pos,
-			const struct type_class_bitfield *bitfield_class,
-			uint64_t v);
-	void (*bitfield_signed_write)(struct stream_pos *pos,
-			const struct type_class_bitfield *bitfield_class,
-			int64_t v);
+/* Parent trace descriptor */
+struct trace_descriptor {
+};
 
-	void (*float_copy)(struct stream_pos *destp,
-			   const struct type_class_float *dest,
-			   struct stream_pos *srcp,
-			   const struct type_class_float *src);
-	double (*double_read)(struct stream_pos *pos,
-			      const struct type_class_float *src);
-	void (*double_write)(struct stream_pos *pos,
-			     const struct type_class_float *dest,
-			     double v);
+struct mmap_stream {
+	int fd;
+	struct bt_list_head list;
+};
 
-	void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
-			    const struct type_class_string *string_class);
-	void (*string_read)(unsigned char **dest, struct stream_pos *src,
-			    const struct type_class_string *string_class);
-	void (*string_write)(struct stream_pos *dest, const unsigned char *src,
-			     const struct type_class_string *string_class);
-	void (*string_free_temp)(unsigned char *string);
+struct mmap_stream_list {
+	struct bt_list_head head;
+};
 
-	GQuark (*enum_read)(struct stream_pos *pos,
-			    const struct type_class_enum *src);
-	void (*enum_write)(struct stream_pos *pos,
-			   const struct type_class_enum *dest,
-			   GQuark q);
+struct format {
+	bt_intern_str name;
 
+	struct trace_descriptor *(*open_trace)(const char *path, int flags,
+			void (*packet_seek)(struct stream_pos *pos,
+				size_t index, int whence),
+			FILE *metadata_fp);
+	struct trace_descriptor *(*open_mmap_trace)(
+			struct mmap_stream_list *mmap_list,
+			void (*packet_seek)(struct stream_pos *pos,
+				size_t index, int whence),
+			FILE *metadata_fp);
+	void (*close_trace)(struct trace_descriptor *descriptor);
+	void (*set_context)(struct trace_descriptor *descriptor,
+			struct bt_context *ctx);
+	void (*set_handle)(struct trace_descriptor *descriptor,
+			struct bt_trace_handle *handle);
+	uint64_t (*timestamp_begin)(struct trace_descriptor *descriptor,
+			struct bt_trace_handle *handle, enum bt_clock_type type);
+	uint64_t (*timestamp_end)(struct trace_descriptor *descriptor,
+			struct bt_trace_handle *handle, enum bt_clock_type type);
+	int (*convert_index_timestamp)(struct trace_descriptor *descriptor);
 };
 
-struct format *bt_lookup_format(GQuark qname);
-int bt_register_format(const struct format *format);
+extern struct format *bt_lookup_format(bt_intern_str qname);
+extern void bt_fprintf_format_list(FILE *fp);
+extern int bt_register_format(struct format *format);
 
 /* TBD: format unregistration */