X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fformat.h;h=93d1e25146495920c40537b942d556b54541391c;hp=151bd65a1e1effd4082c17282efe26682b677d92;hb=95d36295f18e15c7f68a97fbab3eb1961d21cd70;hpb=dc48ecad637fc7fb8479da563ef2dfd3948cee73 diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h index 151bd65a..93d1e251 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 @@ -24,76 +26,39 @@ #include #include -struct trace_descriptor; +/* forward declaration */ +struct ctf_stream_pos; -struct format { - GQuark name; +/* Parent trace descriptor */ +struct trace_descriptor { +}; - 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); +struct mmap_stream { + int fd; + struct cds_list_head list; +}; - 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); +struct mmap_stream_list { + struct cds_list_head head; +}; - 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 format { + GQuark 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); + struct trace_descriptor *(*open_trace)(const char *collection_path, + const char *path, int flags, + void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, + int whence), FILE *metadata_fp); + struct trace_descriptor *(*open_mmap_trace)( + struct mmap_stream_list *mmap_list, + void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, + int whence), FILE *metadata_fp); void (*close_trace)(struct 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(GQuark qname); +extern void bt_fprintf_format_list(FILE *fp); +extern int bt_register_format(struct format *format); /* TBD: format unregistration */