| 1 | #ifndef _BABELTRACE_FORMAT_H |
| 2 | #define _BABELTRACE_FORMAT_H |
| 3 | |
| 4 | /* |
| 5 | * BabelTrace |
| 6 | * |
| 7 | * Trace Format Header |
| 8 | * |
| 9 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
| 10 | * |
| 11 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 12 | * |
| 13 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 14 | * of this software and associated documentation files (the "Software"), to deal |
| 15 | * in the Software without restriction, including without limitation the rights |
| 16 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 17 | * copies of the Software, and to permit persons to whom the Software is |
| 18 | * furnished to do so, subject to the following conditions: |
| 19 | * |
| 20 | * The above copyright notice and this permission notice shall be included in |
| 21 | * all copies or substantial portions of the Software. |
| 22 | */ |
| 23 | |
| 24 | #include <babeltrace/types.h> |
| 25 | #include <stdint.h> |
| 26 | #include <stdio.h> |
| 27 | #include <glib.h> |
| 28 | |
| 29 | /* forward declaration */ |
| 30 | struct ctf_stream_pos; |
| 31 | |
| 32 | /* Parent trace descriptor */ |
| 33 | struct trace_descriptor { |
| 34 | }; |
| 35 | |
| 36 | struct mmap_stream { |
| 37 | int fd; |
| 38 | struct cds_list_head list; |
| 39 | }; |
| 40 | |
| 41 | struct mmap_stream_list { |
| 42 | struct cds_list_head head; |
| 43 | }; |
| 44 | |
| 45 | struct format { |
| 46 | GQuark name; |
| 47 | |
| 48 | struct trace_descriptor *(*open_trace)(const char *collection_path, |
| 49 | const char *path, int flags, |
| 50 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
| 51 | int whence), FILE *metadata_fp); |
| 52 | struct trace_descriptor *(*open_mmap_trace)( |
| 53 | struct mmap_stream_list *mmap_list, |
| 54 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
| 55 | int whence), FILE *metadata_fp); |
| 56 | void (*close_trace)(struct trace_descriptor *descriptor); |
| 57 | }; |
| 58 | |
| 59 | extern struct format *bt_lookup_format(GQuark qname); |
| 60 | extern void bt_fprintf_format_list(FILE *fp); |
| 61 | extern int bt_register_format(struct format *format); |
| 62 | |
| 63 | /* TBD: format unregistration */ |
| 64 | |
| 65 | #endif /* _BABELTRACE_FORMAT_H */ |