X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fevents.c;fp=formats%2Fctf%2Fevents.c;h=0000000000000000000000000000000000000000;hp=0eb688a32c1c4966e6afaf0d19632038b9ed8fee;hb=dc3fffef7b84cc4af1a7c99828fd57a106cd2257;hpb=f3985ab106d89d8e764c1a8dd0c8bda09b755d10 diff --git a/formats/ctf/events.c b/formats/ctf/events.c deleted file mode 100644 index 0eb688a3..00000000 --- a/formats/ctf/events.c +++ /dev/null @@ -1,863 +0,0 @@ -/* - * ctf/events.c - * - * Babeltrace Library - * - * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation - * - * Author: Mathieu Desnoyers - * Julien Desfossez - * - * 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 -#include -#include -#include -#include -#include - -#include "events-private.h" - -/* - * thread local storage to store the last error that occured - * while reading a field, this variable must be accessed by - * bt_ctf_field_get_error only - */ -__thread int bt_ctf_last_field_error = 0; - -const struct bt_definition *bt_ctf_get_top_level_scope(const struct bt_ctf_event *ctf_event, - enum ctf_scope scope) -{ - const struct bt_definition *tmp = NULL; - const struct ctf_event_definition *event; - - if (!ctf_event) - return NULL; - - event = ctf_event->parent; - switch (scope) { - case BT_TRACE_PACKET_HEADER: - if (!event->stream) - goto error; - if (event->stream->trace_packet_header) - tmp = &event->stream->trace_packet_header->p; - break; - case BT_STREAM_PACKET_CONTEXT: - if (!event->stream) - goto error; - if (event->stream->stream_packet_context) - tmp = &event->stream->stream_packet_context->p; - break; - case BT_STREAM_EVENT_HEADER: - if (!event->stream) - goto error; - if (event->stream->stream_event_header) - tmp = &event->stream->stream_event_header->p; - break; - case BT_STREAM_EVENT_CONTEXT: - if (!event->stream) - goto error; - if (event->stream->stream_event_context) - tmp = &event->stream->stream_event_context->p; - break; - case BT_EVENT_CONTEXT: - if (event->event_context) - tmp = &event->event_context->p; - break; - case BT_EVENT_FIELDS: - if (event->event_fields) - tmp = &event->event_fields->p; - break; - } - return tmp; - -error: - return NULL; -} - -const struct bt_definition *bt_ctf_get_field(const struct bt_ctf_event *ctf_event, - const struct bt_definition *scope, - const char *field) -{ - const struct bt_definition *def; - char *field_underscore; - - if (!ctf_event || !scope || !field) - return NULL; - - def = bt_lookup_definition(scope, field); - /* - * optionally a field can have an underscore prefix, try - * to lookup the field with this prefix if it failed - */ - if (!def) { - field_underscore = g_new(char, strlen(field) + 2); - field_underscore[0] = '_'; - strcpy(&field_underscore[1], field); - def = bt_lookup_definition(scope, field_underscore); - g_free(field_underscore); - } - if (bt_ctf_field_type(bt_ctf_get_decl_from_def(def)) == CTF_TYPE_VARIANT) { - const struct definition_variant *variant_definition; - variant_definition = container_of(def, - const struct definition_variant, p); - return variant_definition->current_field; - } - return def; -} - -const struct bt_definition *bt_ctf_get_index(const struct bt_ctf_event *ctf_event, - const struct bt_definition *field, - unsigned int index) -{ - struct bt_definition *ret = NULL; - - if (!ctf_event || !field) - return NULL; - - if (bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_ARRAY) { - struct definition_array *array_definition; - array_definition = container_of(field, - struct definition_array, p); - ret = bt_array_index(array_definition, index); - } else if (bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_SEQUENCE) { - struct definition_sequence *sequence_definition; - sequence_definition = container_of(field, - struct definition_sequence, p); - ret = bt_sequence_index(sequence_definition, index); - } - return ret; -} - -const char *bt_ctf_event_name(const struct bt_ctf_event *ctf_event) -{ - const struct ctf_event_declaration *event_class; - const struct ctf_stream_declaration *stream_class; - const struct ctf_event_definition *event; - - if (!ctf_event) - return NULL; - - event = ctf_event->parent; - stream_class = event->stream->stream_class; - event_class = g_ptr_array_index(stream_class->events_by_id, - event->stream->event_id); - return g_quark_to_string(event_class->name); -} - -const char *bt_ctf_field_name(const struct bt_definition *def) -{ - if (!def || !def->name) - return NULL; - - return rem_(g_quark_to_string(def->name)); -} - -enum ctf_type_id bt_ctf_field_type(const struct bt_declaration *decl) -{ - if (!decl) - return CTF_TYPE_UNKNOWN; - - return decl->id; -} - -int bt_ctf_get_field_list(const struct bt_ctf_event *ctf_event, - const struct bt_definition *scope, - struct bt_definition const * const **list, - unsigned int *count) -{ - if (!ctf_event || !scope || !list || !count) - return -EINVAL; - - switch (bt_ctf_field_type(bt_ctf_get_decl_from_def(scope))) { - case CTF_TYPE_INTEGER: - case CTF_TYPE_FLOAT: - case CTF_TYPE_STRING: - case CTF_TYPE_ENUM: - goto error; - case CTF_TYPE_STRUCT: - { - const struct definition_struct *def_struct; - - def_struct = container_of(scope, const struct definition_struct, p); - if (!def_struct) - goto error; - if (def_struct->fields->pdata) { - *list = (struct bt_definition const* const*) def_struct->fields->pdata; - *count = def_struct->fields->len; - goto end; - } else { - goto error; - } - break; - } - case CTF_TYPE_UNTAGGED_VARIANT: - goto error; - case CTF_TYPE_VARIANT: - { - const struct definition_variant *def_variant; - - def_variant = container_of(scope, const struct definition_variant, p); - if (!def_variant) - goto error; - if (def_variant->fields->pdata) { - *list = (struct bt_definition const* const*) def_variant->fields->pdata; - *count = def_variant->fields->len; - goto end; - } else { - goto error; - } - break; - } - case CTF_TYPE_ARRAY: - { - const struct definition_array *def_array; - - def_array = container_of(scope, const struct definition_array, p); - if (!def_array) - goto error; - if (def_array->elems->pdata) { - *list = (struct bt_definition const* const*) def_array->elems->pdata; - *count = def_array->elems->len; - goto end; - } else { - goto error; - } - break; - } - case CTF_TYPE_SEQUENCE: - { - const struct definition_sequence *def_sequence; - - def_sequence = container_of(scope, const struct definition_sequence, p); - if (!def_sequence) - goto error; - if (def_sequence->elems->pdata) { - *list = (struct bt_definition const* const*) def_sequence->elems->pdata; - *count = (unsigned int) def_sequence->length->value._unsigned; - goto end; - } else { - goto error; - } - break; - } - default: - break; - } - -end: - return 0; - -error: - *list = NULL; - *count = 0; - return -1; -} - -struct bt_context *bt_ctf_event_get_context(const struct bt_ctf_event *ctf_event) -{ - struct bt_context *ret = NULL; - const struct ctf_file_stream *cfs; - const struct ctf_trace *trace; - const struct ctf_event_definition *event; - - if (!ctf_event) - return NULL; - - event = ctf_event->parent; - cfs = container_of(event->stream, const struct ctf_file_stream, - parent); - trace = cfs->parent.stream_class->trace; - if (trace->parent.ctx) - ret = trace->parent.ctx; - - return ret; -} - -int bt_ctf_event_get_handle_id(const struct bt_ctf_event *ctf_event) -{ - int ret = -1; - const struct ctf_file_stream *cfs; - const struct ctf_trace *trace; - const struct ctf_event_definition *event; - - if (!ctf_event) - return -EINVAL; - - event = ctf_event->parent; - cfs = container_of(event->stream, const struct ctf_file_stream, - parent); - trace = cfs->parent.stream_class->trace; - if (trace->parent.handle) - ret = trace->parent.handle->id; - - return ret; -} - -int bt_ctf_get_timestamp(const struct bt_ctf_event *ctf_event, int64_t *timestamp) -{ - const struct ctf_event_definition *event; - - if (!ctf_event || !timestamp) - return -1; - - event = ctf_event->parent; - if (event && event->stream->has_timestamp) - *timestamp = event->stream->real_timestamp; - else - return -1; - return 0; -} - -uint64_t bt_ctf_get_cycles(const struct bt_ctf_event *ctf_event) -{ - const struct ctf_event_definition *event; - - if (!ctf_event) - return -1ULL; - - event = ctf_event->parent; - if (event && event->stream->has_timestamp) - return event->stream->cycles_timestamp; - else - return -1ULL; -} - -static void bt_ctf_field_set_error(int error) -{ - bt_ctf_last_field_error = error; -} - -int bt_ctf_field_get_error(void) -{ - int ret; - ret = bt_ctf_last_field_error; - bt_ctf_last_field_error = 0; - - return ret; -} - -static const struct declaration_integer * -get_declaration_integer(const struct bt_declaration *decl) -{ - if (!decl || bt_ctf_field_type(decl) != CTF_TYPE_INTEGER) - return NULL; - return container_of(decl, const struct declaration_integer, p); -} - -static const struct declaration_string * -get_declaration_string(const struct bt_declaration *decl) -{ - if (!decl || bt_ctf_field_type(decl) != CTF_TYPE_STRING) - return NULL; - return container_of(decl, const struct declaration_string, p); -} - -static const struct declaration_array * -get_declaration_array(const struct bt_declaration *decl) -{ - if (!decl || bt_ctf_field_type(decl) != CTF_TYPE_ARRAY) - return NULL; - return container_of(decl, const struct declaration_array, p); -} - -static const struct declaration_sequence * -get_declaration_sequence(const struct bt_declaration *decl) -{ - if (!decl || bt_ctf_field_type(decl) != CTF_TYPE_SEQUENCE) - return NULL; - return container_of(decl, const struct declaration_sequence, p); -} - -int bt_ctf_get_int_signedness(const struct bt_declaration *decl) -{ - const struct declaration_integer *integer; - - integer = get_declaration_integer(decl); - if (!integer) { - bt_ctf_field_set_error(-EINVAL); - return -EINVAL; - } - return integer->signedness; -} - -int bt_ctf_get_int_base(const struct bt_declaration *decl) -{ - const struct declaration_integer *integer; - - integer = get_declaration_integer(decl); - if (!integer) { - bt_ctf_field_set_error(-EINVAL); - return -EINVAL; - } - return integer->base; -} - -int bt_ctf_get_int_byte_order(const struct bt_declaration *decl) -{ - const struct declaration_integer *integer; - - integer = get_declaration_integer(decl); - if (!integer) { - bt_ctf_field_set_error(-EINVAL); - return -EINVAL; - } - return integer->byte_order; -} - -ssize_t bt_ctf_get_int_len(const struct bt_declaration *decl) -{ - const struct declaration_integer *integer; - - integer = get_declaration_integer(decl); - if (!integer) { - bt_ctf_field_set_error(-EINVAL); - return -EINVAL; - } - return (ssize_t) integer->len; -} - -const struct bt_definition *bt_ctf_get_enum_int(const struct bt_definition *field) -{ - const struct definition_enum *def_enum; - - if (!field || bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) != CTF_TYPE_ENUM) { - bt_ctf_field_set_error(-EINVAL); - return NULL; - } - def_enum = container_of(field, const struct definition_enum, p); - return &def_enum->integer->p; -} - -const char *bt_ctf_get_enum_str(const struct bt_definition *field) -{ - const struct definition_enum *def_enum; - const struct declaration_enum *decl_enum; - GArray *array; - const char *ret; - - if (!field || bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) != CTF_TYPE_ENUM) { - bt_ctf_field_set_error(-EINVAL); - return NULL; - } - def_enum = container_of(field, const struct definition_enum, p); - decl_enum = def_enum->declaration; - if (bt_get_int_signedness(&def_enum->integer->p)) { - array = bt_enum_int_to_quark_set(decl_enum, - bt_get_signed_int(&def_enum->integer->p)); - } else { - array = bt_enum_uint_to_quark_set(decl_enum, - bt_get_unsigned_int(&def_enum->integer->p)); - } - if (!array) { - bt_ctf_field_set_error(-ENOENT); - return NULL; - } - - if (array->len == 0) { - g_array_unref(array); - bt_ctf_field_set_error(-ENOENT); - return NULL; - } - /* Return first string. Arbitrary choice. */ - ret = g_quark_to_string(g_array_index(array, GQuark, 0)); - g_array_unref(array); - return ret; -} - -enum ctf_string_encoding bt_ctf_get_encoding(const struct bt_declaration *decl) -{ - enum ctf_string_encoding ret = 0; - enum ctf_type_id type; - const struct declaration_integer *integer; - const struct declaration_string *string; - const struct declaration_array *array; - const struct declaration_sequence *sequence; - - if (!decl) - goto error; - - type = bt_ctf_field_type(decl); - - switch (type) { - case CTF_TYPE_ARRAY: - array = get_declaration_array(decl); - if (!array) - goto error; - integer = get_declaration_integer(array->elem); - if (!integer) - goto error; - ret = integer->encoding; - break; - case CTF_TYPE_SEQUENCE: - sequence = get_declaration_sequence(decl); - if (!sequence) - goto error; - integer = get_declaration_integer(sequence->elem); - if (!integer) - goto error; - ret = integer->encoding; - break; - case CTF_TYPE_STRING: - string = get_declaration_string(decl); - if (!string) - goto error; - ret = string->encoding; - break; - case CTF_TYPE_INTEGER: - integer = get_declaration_integer(decl); - if (!integer) - goto error; - ret = integer->encoding; - break; - default: - goto error; - } - return ret; - -error: - bt_ctf_field_set_error(-EINVAL); - return -1; -} - -int bt_ctf_get_array_len(const struct bt_declaration *decl) -{ - const struct declaration_array *array; - - array = get_declaration_array(decl); - if (!array) - goto error; - return array->len; - -error: - bt_ctf_field_set_error(-EINVAL); - return -1; -} - -uint64_t bt_ctf_get_uint64(const struct bt_definition *field) -{ - uint64_t ret = 0; - - if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_INTEGER) - ret = bt_get_unsigned_int(field); - else - bt_ctf_field_set_error(-EINVAL); - - return ret; -} - -int64_t bt_ctf_get_int64(const struct bt_definition *field) -{ - int64_t ret = 0; - - if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_INTEGER) - ret = bt_get_signed_int(field); - else - bt_ctf_field_set_error(-EINVAL); - - return ret; -} - -char *bt_ctf_get_char_array(const struct bt_definition *field) -{ - char *ret = NULL; - GString *char_array; - - if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_ARRAY) { - char_array = bt_get_char_array(field); - if (char_array) { - ret = char_array->str; - goto end; - } - } - bt_ctf_field_set_error(-EINVAL); - -end: - return ret; -} - -char *bt_ctf_get_string(const struct bt_definition *field) -{ - char *ret = NULL; - - if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_STRING) - ret = bt_get_string(field); - else - bt_ctf_field_set_error(-EINVAL); - - return ret; -} - -double bt_ctf_get_float(const struct bt_definition *field) -{ - double ret = 0.0; - - if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_FLOAT) { - ret = bt_get_float(field); - } else { - bt_ctf_field_set_error(-EINVAL); - } - - return ret; -} - -const struct bt_definition *bt_ctf_get_variant(const struct bt_definition *field) -{ - const struct bt_definition *ret = NULL; - - if (field && bt_ctf_field_type( - bt_ctf_get_decl_from_def(field)) == CTF_TYPE_VARIANT) { - struct definition_variant *variant = container_of(field, - struct definition_variant, p); - - ret = bt_variant_get_current_field(variant); - } else { - bt_ctf_field_set_error(-EINVAL); - } - - return ret; -} - -uint64_t bt_ctf_get_struct_field_count(const struct bt_definition *field) -{ - uint64_t ret = -1; - const struct bt_declaration *declaration = - bt_ctf_get_decl_from_def(field); - - if (field && bt_ctf_field_type(declaration) == CTF_TYPE_STRUCT) { - const struct declaration_struct *struct_declaration = - container_of(declaration, struct declaration_struct, p); - - ret = bt_struct_declaration_len(struct_declaration); - } else { - bt_ctf_field_set_error(-EINVAL); - } - - return ret; -} - -const struct bt_definition *bt_ctf_get_struct_field_index( - const struct bt_definition *field, uint64_t i) -{ - const struct bt_definition *ret = NULL; - - if (field && bt_ctf_field_type( - bt_ctf_get_decl_from_def(field)) == CTF_TYPE_STRUCT && - i < bt_ctf_get_struct_field_count(field)) { - const struct definition_struct *structure = container_of( - field, struct definition_struct, p); - - ret = bt_struct_definition_get_field_from_index(structure, i); - } - - if (!ret) { - bt_ctf_field_set_error(-EINVAL); - } - - return ret; -} - -int bt_ctf_get_event_decl_list(int handle_id, struct bt_context *ctx, - struct bt_ctf_event_decl * const **list, - unsigned int *count) -{ - struct bt_trace_handle *handle; - struct bt_trace_descriptor *td; - struct ctf_trace *tin; - - if (!ctx || !list || !count) - goto error; - - handle = g_hash_table_lookup(ctx->trace_handles, - GUINT_TO_POINTER(handle_id)); - if (!handle) - goto error; - - td = handle->td; - tin = container_of(td, struct ctf_trace, parent); - - *list = (struct bt_ctf_event_decl * const*) tin->event_declarations->pdata; - *count = tin->event_declarations->len; - return 0; - -error: - return -1; -} - -const char *bt_ctf_get_decl_event_name(const struct bt_ctf_event_decl *event) -{ - if (!event) - return NULL; - - return g_quark_to_string(event->parent.name); -} - -uint64_t bt_ctf_get_decl_event_id(const struct bt_ctf_event_decl *event) -{ - if (!event) - return (uint64_t)(-1); - - return event->parent.id; -} - -int bt_ctf_get_decl_fields(struct bt_ctf_event_decl *event_decl, - enum ctf_scope scope, - struct bt_ctf_field_decl const * const **list, - unsigned int *count) -{ - int i; - GArray *fields = NULL; - gpointer *ret_list = NULL; - GPtrArray *fields_array = NULL; - int ret = 0; - - if (!event_decl || !list || !count) - return -EINVAL; - - *count = 0; - switch (scope) { - case BT_EVENT_CONTEXT: - if (event_decl->context_decl) { - ret_list = event_decl->context_decl->pdata; - *count = event_decl->context_decl->len; - goto end; - } - event_decl->context_decl = g_ptr_array_new(); - if (!event_decl->parent.context_decl) { - ret = -1; - goto end; - } - fields = event_decl->parent.context_decl->fields; - fields_array = event_decl->context_decl; - break; - case BT_EVENT_FIELDS: - if (event_decl->fields_decl) { - ret_list = event_decl->fields_decl->pdata; - *count = event_decl->fields_decl->len; - goto end; - } - event_decl->fields_decl = g_ptr_array_new(); - if (!event_decl->parent.fields_decl) { - ret = -1; - goto end; - } - fields = event_decl->parent.fields_decl->fields; - fields_array = event_decl->fields_decl; - break; - case BT_STREAM_PACKET_CONTEXT: - if (event_decl->packet_context_decl) { - ret_list = event_decl->packet_context_decl->pdata; - *count = event_decl->packet_context_decl->len; - goto end; - } - event_decl->packet_context_decl = g_ptr_array_new(); - if (!event_decl->parent.stream->packet_context_decl) { - ret = -1; - goto end; - } - fields = event_decl->parent.stream->packet_context_decl->fields; - fields_array = event_decl->packet_context_decl; - break; - case BT_STREAM_EVENT_CONTEXT: - if (event_decl->event_context_decl) { - ret_list = event_decl->event_context_decl->pdata; - *count = event_decl->event_context_decl->len; - goto end; - } - event_decl->event_context_decl = g_ptr_array_new(); - if (!event_decl->parent.stream->event_context_decl) { - ret = -1; - goto end; - } - fields = event_decl->parent.stream->event_context_decl->fields; - fields_array = event_decl->event_context_decl; - break; - case BT_STREAM_EVENT_HEADER: - if (event_decl->event_header_decl) { - ret_list = event_decl->event_header_decl->pdata; - *count = event_decl->event_header_decl->len; - goto end; - } - event_decl->event_header_decl = g_ptr_array_new(); - if (!event_decl->parent.stream->event_header_decl) { - ret = -1; - goto end; - } - fields = event_decl->parent.stream->event_header_decl->fields; - fields_array = event_decl->event_header_decl; - break; - case BT_TRACE_PACKET_HEADER: - if (event_decl->packet_header_decl) { - ret_list = event_decl->packet_header_decl->pdata; - *count = event_decl->packet_header_decl->len; - goto end; - } - event_decl->packet_header_decl = g_ptr_array_new(); - if (!event_decl->parent.stream->trace->packet_header_decl) { - ret = -1; - goto end; - } - fields = event_decl->parent.stream->trace->packet_header_decl->fields; - fields_array = event_decl->packet_header_decl; - break; - } - - for (i = 0; i < fields->len; i++) { - g_ptr_array_add(fields_array, - &g_array_index(fields, - struct declaration_field, i)); - } - ret_list = fields_array->pdata; - *count = fields->len; - -end: - *list = (struct bt_ctf_field_decl const* const*) ret_list; - - return ret; -} - -const char *bt_ctf_get_decl_field_name(const struct bt_ctf_field_decl *field) -{ - if (!field) - return NULL; - - return rem_(g_quark_to_string(((struct declaration_field *) field)->name)); -} - -const struct bt_declaration *bt_ctf_get_decl_from_def(const struct bt_definition *def) -{ - if (def) - return def->declaration; - - return NULL; -} - -const struct bt_declaration *bt_ctf_get_decl_from_field_decl( - const struct bt_ctf_field_decl *field) -{ - if (field) - return ((struct declaration_field *) field)->declaration; - - return NULL; -}