projects / lttngtop.git / blame
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|---|---|---|
| b1acd2b3 JD |
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 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 24 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 25 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 26 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 27 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 28 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 29 | * SOFTWARE. | |
| 30 | */ | |
| 31 | ||
| 32 | #include <babeltrace/list.h> | |
| 33 | #include <babeltrace/clock-types.h> | |
| 34 | #include <stdint.h> | |
| 35 | #include <stdio.h> | |
| 36 | ||
| 37 | #ifdef __cplusplus | |
| 38 | extern "C" { | |
| 39 | #endif | |
| 40 | ||
| 41 | typedef int bt_intern_str; | |
| 42 | ||
| 43 | /* forward declaration */ | |
| 44 | struct bt_stream_pos; | |
| 45 | struct bt_context; | |
| 46 | struct bt_trace_handle; | |
| 47 | struct bt_trace_descriptor; | |
| 48 | ||
| 49 | struct bt_mmap_stream { | |
| 50 | int fd; | |
| 51 | struct bt_list_head list; | |
| 52 | }; | |
| 53 | ||
| 54 | struct bt_mmap_stream_list { | |
| 55 | struct bt_list_head head; | |
| 56 | }; | |
| 57 | ||
| 58 | struct bt_format { | |
| 59 | bt_intern_str name; | |
| 60 | ||
| 61 | struct bt_trace_descriptor *(*open_trace)(const char *path, int flags, | |
| 62 | void (*packet_seek)(struct bt_stream_pos *pos, | |
| 63 | size_t index, int whence), | |
| 64 | FILE *metadata_fp); | |
| 65 | struct bt_trace_descriptor *(*open_mmap_trace)( | |
| 66 | struct bt_mmap_stream_list *mmap_list, | |
| 67 | void (*packet_seek)(struct bt_stream_pos *pos, | |
| 68 | size_t index, int whence), | |
| 69 | FILE *metadata_fp); | |
| 70 | int (*close_trace)(struct bt_trace_descriptor *descriptor); | |
| 71 | void (*set_context)(struct bt_trace_descriptor *descriptor, | |
| 72 | struct bt_context *ctx); | |
| 73 | void (*set_handle)(struct bt_trace_descriptor *descriptor, | |
| 74 | struct bt_trace_handle *handle); | |
| 75 | uint64_t (*timestamp_begin)(struct bt_trace_descriptor *descriptor, | |
| 76 | struct bt_trace_handle *handle, enum bt_clock_type type); | |
| 77 | uint64_t (*timestamp_end)(struct bt_trace_descriptor *descriptor, | |
| 78 | struct bt_trace_handle *handle, enum bt_clock_type type); | |
| 79 | int (*convert_index_timestamp)(struct bt_trace_descriptor *descriptor); | |
| 80 | }; | |
| 81 | ||
| 82 | extern struct bt_format *bt_lookup_format(bt_intern_str qname); | |
| 83 | extern void bt_fprintf_format_list(FILE *fp); | |
| 84 | extern int bt_register_format(struct bt_format *format); | |
| 85 | extern void bt_unregister_format(struct bt_format *format); | |
| 86 | ||
| 87 | #ifdef __cplusplus | |
| 88 | } | |
| 89 | #endif | |
| 90 | ||
| 91 | #endif /* _BABELTRACE_FORMAT_H */ |