X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Ftypes.h;h=f3a0e831b15fcdfb9a85f76dc79a0c569222ca8a;hp=059c371dea37cd2323b74a1d29d256ef338997d0;hb=98b6832656447ab0f8024f9086aa67625e391ac7;hpb=b1a2f5806630289aa0b85edbb7f7c581cfa26178 diff --git a/include/babeltrace/types.h b/include/babeltrace/types.h index 059c371d..f3a0e831 100644 --- a/include/babeltrace/types.h +++ b/include/babeltrace/types.h @@ -6,7 +6,9 @@ * * Type 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 @@ -31,6 +33,7 @@ /* Preallocate this many fields for structures */ #define DEFAULT_NR_STRUCT_FIELDS 8 +struct ctf_stream; struct stream_pos; struct format; struct definition; @@ -90,7 +93,8 @@ struct declaration { struct definition * (*definition_new)(struct declaration *declaration, struct definition_scope *parent_scope, - GQuark field_name, int index); + GQuark field_name, int index, + const char *root_name); /* * definition_free called with definition ref is decremented to 0. */ @@ -102,6 +106,8 @@ struct definition { int index; /* Position of the definition in its container */ GQuark name; /* Field name in its container (or 0 if unset) */ int ref; /* number of references to the definition */ + GQuark path; + struct definition_scope *scope; }; typedef int (*rw_dispatch)(struct stream_pos *pos, @@ -111,6 +117,8 @@ typedef int (*rw_dispatch)(struct stream_pos *pos, struct stream_pos { /* read/write dispatch table. Specific to plugin used for stream. */ rw_dispatch *rw_table; /* rw dispatch table */ + int (*event_cb)(struct stream_pos *pos, + struct ctf_stream *stream); }; static inline @@ -124,6 +132,13 @@ int generic_rw(struct stream_pos *pos, struct definition *definition) return call(pos, definition); } +enum ctf_string_encoding { + CTF_STRING_NONE = 0, + CTF_STRING_UTF8, + CTF_STRING_ASCII, + CTF_STRING_UNKNOWN, +}; + /* * Because we address in bits, bitfields end up being exactly the same as * integers, except that their read/write functions must be able to deal with @@ -134,6 +149,8 @@ struct declaration_integer { size_t len; /* length, in bits. */ int byte_order; /* byte order */ int signedness; + int base; /* Base for pretty-printing: 2, 8, 10, 16 */ + enum ctf_string_encoding encoding; }; struct definition_integer { @@ -162,7 +179,7 @@ struct definition_float { struct definition_integer *mantissa; struct definition_integer *exp; /* Last values read */ - long double value; + double value; }; /* @@ -217,12 +234,6 @@ struct definition_enum { GArray *value; }; -enum ctf_string_encoding { - CTF_STRING_UTF8 = 0, - CTF_STRING_ASCII, - CTF_STRING_UNKNOWN, -}; - struct declaration_string { struct declaration p; enum ctf_string_encoding encoding; @@ -250,7 +261,6 @@ struct declaration_struct { struct definition_struct { struct definition p; struct declaration_struct *declaration; - struct definition_scope *scope; GPtrArray *fields; /* Array of pointers to struct definition */ }; @@ -271,7 +281,6 @@ struct declaration_variant { struct definition_variant { struct definition p; struct declaration_variant *declaration; - struct definition_scope *scope; struct definition *enum_tag; GPtrArray *fields; /* Array of pointers to struct definition */ struct definition *current_field; /* Last field read */ @@ -287,13 +296,13 @@ struct declaration_array { struct definition_array { struct definition p; struct declaration_array *declaration; - struct definition_scope *scope; GPtrArray *elems; /* Array of pointers to struct definition */ + GString *string; /* String for encoded integer children */ }; struct declaration_sequence { struct declaration p; - struct declaration_integer *len_declaration; + GArray *length_name; /* Array of GQuark */ struct declaration *elem; struct declaration_scope *scope; }; @@ -301,9 +310,9 @@ struct declaration_sequence { struct definition_sequence { struct definition p; struct declaration_sequence *declaration; - struct definition_scope *scope; - struct definition_integer *len; + struct definition_integer *length; GPtrArray *elems; /* Array of pointers to struct definition */ + GString *string; /* String for encoded integer children */ }; int register_declaration(GQuark declaration_name, @@ -345,20 +354,26 @@ void free_declaration_scope(struct declaration_scope *scope); * definition scopes. */ struct definition * - lookup_definition(GArray *cur_path, /* array of GQuark */ - GArray *lookup_path, /* array of GQuark */ - struct definition_scope *scope); + lookup_path_definition(GArray *cur_path, /* array of GQuark */ + GArray *lookup_path, /* array of GQuark */ + struct definition_scope *scope); int register_field_definition(GQuark field_name, struct definition *definition, struct definition_scope *scope); struct definition_scope * new_definition_scope(struct definition_scope *parent_scope, - GQuark field_name); -void set_dynamic_definition_scope(struct definition *definition, - struct definition_scope *scope, - const char *root_name); + GQuark field_name, const char *root_name); void free_definition_scope(struct definition_scope *scope); +GQuark new_definition_path(struct definition_scope *parent_scope, + GQuark field_name, const char *root_name); + +static inline +int compare_definition_path(struct definition *definition, GQuark path) +{ + return definition->path == path; +} + void declaration_ref(struct declaration *declaration); void declaration_unref(struct declaration *declaration); @@ -366,7 +381,10 @@ void definition_ref(struct definition *definition); void definition_unref(struct definition *definition); struct declaration_integer *integer_declaration_new(size_t len, int byte_order, - int signedness, size_t alignment); + int signedness, size_t alignment, + int base, enum ctf_string_encoding encoding); +uint64_t get_unsigned_int(struct definition *field); +int64_t get_signed_int(struct definition *field); /* * mantissa_len is the length of the number of bytes represented by the mantissa @@ -393,7 +411,7 @@ GArray *enum_uint_to_quark_set(const struct declaration_enum *enum_declaration, * Caller must release the GArray with g_array_unref(). */ GArray *enum_int_to_quark_set(const struct declaration_enum *enum_declaration, - uint64_t v); + int64_t v); /* * Returns a GArray of struct enum_range or NULL. @@ -413,9 +431,11 @@ struct declaration_enum * struct declaration_string * string_declaration_new(enum ctf_string_encoding encoding); +char *get_string(struct definition *field); struct declaration_struct * - struct_declaration_new(struct declaration_scope *parent_scope); + struct_declaration_new(struct declaration_scope *parent_scope, + uint64_t min_align); void struct_declaration_add_field(struct declaration_struct *struct_declaration, const char *field_name, struct declaration *field_declaration); @@ -434,6 +454,7 @@ struct definition * struct_definition_get_field_from_index(struct definition_struct *struct_definition, int index); int struct_rw(struct stream_pos *pos, struct definition *definition); +uint64_t struct_declaration_len(struct declaration_struct *struct_declaration); /* * The tag enumeration is validated to ensure that it contains only mappings @@ -475,13 +496,14 @@ struct declaration_array * uint64_t array_len(struct definition_array *array); struct definition *array_index(struct definition_array *array, uint64_t i); int array_rw(struct stream_pos *pos, struct definition *definition); +GString *get_char_array(struct definition *field); /* * int_declaration and elem_declaration passed as parameter now belong * to the sequence. No need to free them explicitly. */ struct declaration_sequence * - sequence_declaration_new(struct declaration_integer *len_declaration, + sequence_declaration_new(const char *length_name, struct declaration *elem_declaration, struct declaration_scope *parent_scope); uint64_t sequence_len(struct definition_sequence *sequence); @@ -493,4 +515,18 @@ int sequence_rw(struct stream_pos *pos, struct definition *definition); */ void append_scope_path(const char *path, GArray *q); -#endif /* _BABELTRACE_declarationS_H */ +/* + * Lookup helpers. + */ +struct definition *lookup_definition(struct definition *definition, + const char *field_name); +struct definition_integer *lookup_integer(struct definition *definition, + const char *field_name, + int signedness); +struct definition_enum *lookup_enum(struct definition *definition, + const char *field_name, + int signedness); +struct definition *lookup_variant(struct definition *definition, + const char *field_name); + +#endif /* _BABELTRACE_TYPES_H */