X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fformat.h;h=93d1e25146495920c40537b942d556b54541391c;hp=b9c3e9fb0b029845ae280260d454a558cb070e1b;hb=95d36295f18e15c7f68a97fbab3eb1961d21cd70;hpb=47e0f2e23aef98a584bf964754ab1e29c2897cfb

diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h
index b9c3e9fb..93d1e251 100644
--- a/include/babeltrace/format.h
+++ b/include/babeltrace/format.h
@@ -6,7 +6,9 @@
  *
  * Trace Format Header
  *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * 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
@@ -21,64 +23,42 @@
 
 #include <babeltrace/types.h>
 #include <stdint.h>
+#include <stdio.h>
 #include <glib.h>
 
-struct format {
-	GQuark name;
+/* forward declaration */
+struct ctf_stream_pos;
 
-	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);
+/* Parent trace descriptor */
+struct trace_descriptor {
+};
 
-	void (*float_copy)(struct stream_pos *destp,
-			   struct stream_pos *srcp,
-			   const struct type_class_float *float_class);
-	double (*double_read)(struct stream_pos *pos,
-			      const struct type_class_float *float_class);
-	void (*double_write)(struct stream_pos *pos,
-			     const struct type_class_float *float_class,
-			     double v);
+struct mmap_stream {
+	int fd;
+	struct cds_list_head list;
+};
 
-	void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
-			    const struct type_class_string *string_class);
-	void (*string_read)(char **dest, struct stream_pos *src,
-			    const struct type_class_string *string_class);
-	void (*string_write)(struct stream_pos *dest, const char *src,
-			     const struct type_class_string *string_class);
-	void (*string_free_temp)(char *string);
+struct mmap_stream_list {
+	struct cds_list_head head;
+};
+
+struct format {
+	GQuark name;
 
-	/*
-	 * enum_read returns a GArray of GQuark. Must be released with
-	 * g_array_unref().
-	 */
-	GArray *(*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);
-	void (*struct_begin)(struct stream_pos *pos,
-			     const struct type_class_struct *struct_class);
-	void (*struct_end)(struct stream_pos *pos,
-			   const struct type_class_struct *struct_class);
-	void (*array_begin)(struct stream_pos *pos,
-			     const struct type_class_array *array_class);
-	void (*array_end)(struct stream_pos *pos,
-			   const struct type_class_array *array_class);
-	void (*sequence_begin)(struct stream_pos *pos,
-			     const struct type_class_sequence *sequence_class);
-	void (*sequence_end)(struct stream_pos *pos,
-			   const struct type_class_sequence *sequence_class);
+	struct trace_descriptor *(*open_trace)(const char *collection_path,
+			const char *path, int flags,
+			void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+				int whence), FILE *metadata_fp);
+	struct trace_descriptor *(*open_mmap_trace)(
+			struct mmap_stream_list *mmap_list,
+			void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+				int whence), FILE *metadata_fp);
+	void (*close_trace)(struct trace_descriptor *descriptor);
 };
 
-struct format *bt_lookup_format(GQuark qname);
-int bt_register_format(struct format *format);
+extern struct format *bt_lookup_format(GQuark qname);
+extern void bt_fprintf_format_list(FILE *fp);
+extern int bt_register_format(struct format *format);
 
 /* TBD: format unregistration */