X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fformat.h;h=8d4ac4b290a794af51af64006e029c80343015f2;hp=151bd65a1e1effd4082c17282efe26682b677d92;hb=c150f912b9a128f830d7a0fe42141ae1c9bec1ae;hpb=dc48ecad637fc7fb8479da563ef2dfd3948cee73 diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h index 151bd65a..8d4ac4b2 100644 --- a/include/babeltrace/format.h +++ b/include/babeltrace/format.h @@ -6,7 +6,9 @@ * * Trace Format Header * - * Copyright 2010, 2011 - Mathieu Desnoyers + * 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 @@ -17,84 +19,76 @@ * * 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 -struct trace_descriptor; +#ifdef __cplusplus +extern "C" { +#endif -struct format { - GQuark name; +typedef int bt_intern_str; - 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); +/* forward declaration */ +struct bt_stream_pos; +struct bt_context; +struct bt_trace_handle; - 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); +/* Parent trace descriptor */ +struct bt_trace_descriptor { +}; - 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 bt_mmap_stream { + int fd; + struct bt_list_head list; +}; + +struct bt_mmap_stream_list { + struct bt_list_head head; +}; + +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 */