X-Git-Url: https://git.lttng.org/?p=lttngtop.git;a=blobdiff_plain;f=lib%2Fbabeltrace%2Fformat.h;fp=lib%2Fbabeltrace%2Fformat.h;h=07e854fee08645acb85b1e4cf0083992e385598e;hp=0000000000000000000000000000000000000000;hb=b1acd2b342a35dc6c5a8036fb0280321203e89b7;hpb=a18dc7c24b4ac751c46a96198aebcbb1dcd4cdd6 diff --git a/lib/babeltrace/format.h b/lib/babeltrace/format.h new file mode 100644 index 0000000..07e854f --- /dev/null +++ b/lib/babeltrace/format.h @@ -0,0 +1,91 @@ +#ifndef _BABELTRACE_FORMAT_H +#define _BABELTRACE_FORMAT_H + +/* + * BabelTrace + * + * Trace Format Header + * + * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation + * + * Author: Mathieu Desnoyers + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * 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 + +#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; +}; + +struct bt_mmap_stream_list { + struct bt_list_head head; +}; + +struct bt_format { + bt_intern_str name; + + 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 bt_format *bt_lookup_format(bt_intern_str qname); +extern void bt_fprintf_format_list(FILE *fp); +extern int bt_register_format(struct bt_format *format); +extern void bt_unregister_format(struct bt_format *format); + +#ifdef __cplusplus +} +#endif + +#endif /* _BABELTRACE_FORMAT_H */