X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fformat.h;h=dea8e0e5431e71d69e53df24fc97f1ed753bc18c;hb=b7b61ced2a4d4e3222640ad20e6655cb4379c012;hp=c50b28dc330b8c81c23aefb4133829974b2f7cce;hpb=01c76b246be85b5d9c8e99813950fb194c9f714f;p=babeltrace.git diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h index c50b28dc..dea8e0e5 100644 --- a/include/babeltrace/format.h +++ b/include/babeltrace/format.h @@ -19,28 +19,74 @@ * * 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 +#include +#include #include #include -#include -/* Parent trace descriptor */ -struct trace_descriptor { +#ifdef __cplusplus +extern "C" { +#endif + +typedef int bt_intern_str; + +/* forward declaration */ +struct bt_stream_pos; +struct bt_context; +struct bt_trace_handle; +struct bt_trace_descriptor; + +struct bt_mmap_stream { + int fd; + struct bt_list_head list; + void *priv; +}; + +struct bt_mmap_stream_list { + struct bt_list_head head; }; -struct format { - GQuark name; +struct bt_format { + bt_intern_str name; - 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); }; -extern struct format *bt_lookup_format(GQuark qname); +extern struct bt_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 int bt_register_format(struct bt_format *format); +extern void bt_unregister_format(struct bt_format *format); -/* TBD: format unregistration */ +#ifdef __cplusplus +} +#endif #endif /* _BABELTRACE_FORMAT_H */