*
* Trace Format Header
*
- * Copyright 2010, 2011 - 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
*
* 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/types.h>
+#include <babeltrace/list.h>
+#include <babeltrace/clock-types.h>
#include <stdint.h>
#include <stdio.h>
-#include <glib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int bt_intern_str;
+
+/* forward declaration */
+struct bt_stream_pos;
+struct bt_context;
+struct bt_trace_handle;
/* Parent trace descriptor */
-struct trace_descriptor {
+struct bt_trace_descriptor {
};
-struct format {
- GQuark name;
-
- uint64_t (*uint_read)(struct stream_pos *pos,
- const struct declaration_integer *integer_declaration);
- int64_t (*int_read)(struct stream_pos *pos,
- const struct declaration_integer *integer_declaration);
- void (*uint_write)(struct stream_pos *pos,
- const struct declaration_integer *integer_declaration,
- uint64_t v);
- void (*int_write)(struct stream_pos *pos,
- const struct declaration_integer *integer_declaration,
- int64_t v);
+struct bt_mmap_stream {
+ int fd;
+ struct bt_list_head list;
+};
- void (*float_copy)(struct stream_pos *destp,
- struct stream_pos *srcp,
- const struct declaration_float *float_declaration);
- double (*double_read)(struct stream_pos *pos,
- const struct declaration_float *float_declaration);
- void (*double_write)(struct stream_pos *pos,
- const struct declaration_float *float_declaration,
- double v);
- long double (*ldouble_read)(struct stream_pos *pos,
- const struct declaration_float *float_declaration);
- void (*ldouble_write)(struct stream_pos *pos,
- const struct declaration_float *float_declaration,
- long double v);
+struct bt_mmap_stream_list {
+ struct bt_list_head head;
+};
- void (*string_copy)(struct stream_pos *dest, struct stream_pos *src,
- const struct declaration_string *string_declaration);
- void (*string_read)(char **dest, struct stream_pos *src,
- const struct declaration_string *string_declaration);
- void (*string_write)(struct stream_pos *dest, const char *src,
- const struct declaration_string *string_declaration);
- void (*string_free_temp)(char *string);
+struct format {
+ bt_intern_str name;
- /*
- * enum_read returns a GArray of GQuark. Must be released with
- * g_array_unref().
- */
- GArray *(*enum_read)(struct stream_pos *pos,
- const struct declaration_enum *src);
- void (*enum_write)(struct stream_pos *pos,
- const struct declaration_enum *dest,
- GQuark q);
- void (*struct_begin)(struct stream_pos *pos,
- const struct declaration_struct *struct_declaration);
- void (*struct_end)(struct stream_pos *pos,
- const struct declaration_struct *struct_declaration);
- void (*variant_begin)(struct stream_pos *pos,
- const struct declaration_variant *variant_declaration);
- void (*variant_end)(struct stream_pos *pos,
- const struct declaration_variant *variant_declaration);
- void (*array_begin)(struct stream_pos *pos,
- const struct declaration_array *array_declaration);
- void (*array_end)(struct stream_pos *pos,
- const struct declaration_array *array_declaration);
- void (*sequence_begin)(struct stream_pos *pos,
- const struct declaration_sequence *sequence_declaration);
- void (*sequence_end)(struct stream_pos *pos,
- const struct declaration_sequence *sequence_declaration);
- struct trace_descriptor *(*open_trace)(const char *path, int flags);
- void (*close_trace)(struct trace_descriptor *descriptor);
+ 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);
};
-struct format *bt_lookup_format(GQuark qname);
-void bt_fprintf_format_list(FILE *fp);
-int bt_register_format(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);
+extern void bt_unregister_format(struct format *format);
-/* TBD: format unregistration */
+#ifdef __cplusplus
+}
+#endif
#endif /* _BABELTRACE_FORMAT_H */
projects / babeltrace.git / blobdiff