#include <babeltrace/ctf/metadata.h>
#include <glib.h>
+#include "events-private.h"
+
/*
* thread local storage to store the last error that occured
* while reading a field, this variable must be accessed by
*/
__thread int bt_ctf_last_field_error = 0;
-struct bt_ctf_iter *bt_ctf_iter_create(struct bt_context *ctx,
- struct bt_iter_pos *begin_pos,
- struct bt_iter_pos *end_pos)
-{
- struct bt_ctf_iter *iter;
- int ret;
-
- iter = g_new0(struct bt_ctf_iter, 1);
- ret = bt_iter_init(&iter->parent, ctx, begin_pos, end_pos);
- if (ret) {
- g_free(iter);
- return NULL;
- }
- return iter;
-}
-
-void bt_ctf_iter_destroy(struct bt_ctf_iter *iter)
-{
- bt_iter_fini(&iter->parent);
- g_free(iter);
-}
-
-struct bt_iter *bt_ctf_get_iter(struct bt_ctf_iter *iter)
-{
- return &iter->parent;
-}
-
-struct bt_ctf_event *bt_ctf_iter_read_event(struct bt_ctf_iter *iter)
-{
- struct ctf_file_stream *file_stream;
- struct bt_ctf_event *ret = &iter->current_ctf_event;
-
- file_stream = heap_maximum(iter->parent.stream_heap);
- if (!file_stream) {
- /* end of file for all streams */
- goto stop;
- }
- ret->stream = &file_stream->parent;
- ret->event = g_ptr_array_index(ret->stream->events_by_id,
- ret->stream->event_id);
-
- if (ret->stream->stream_id > iter->parent.callbacks->len)
- goto end;
-
- process_callbacks(&iter->parent, ret->stream);
-
-end:
- return ret;
-stop:
- return NULL;
-}
-
-struct definition *bt_ctf_get_top_level_scope(struct bt_ctf_event *event,
+const struct definition *bt_ctf_get_top_level_scope(const struct bt_ctf_event *ctf_event,
enum bt_ctf_scope scope)
{
struct definition *tmp = NULL;
+ struct ctf_event_definition *event = ctf_event->parent;
switch (scope) {
case BT_TRACE_PACKET_HEADER:
tmp = &event->stream->stream_event_context->p;
break;
case BT_EVENT_CONTEXT:
- if (!event->event)
- goto error;
- if (event->event->event_context)
- tmp = &event->event->event_context->p;
+ if (event->event_context)
+ tmp = &event->event_context->p;
break;
case BT_EVENT_FIELDS:
- if (!event->event)
- goto error;
- if (event->event->event_fields)
- tmp = &event->event->event_fields->p;
+ if (event->event_fields)
+ tmp = &event->event_fields->p;
break;
}
return tmp;
return NULL;
}
-struct definition *bt_ctf_get_field(struct bt_ctf_event *event,
- struct definition *scope,
+const struct definition *bt_ctf_get_field(const struct bt_ctf_event *ctf_event,
+ const struct definition *scope,
const char *field)
{
struct definition *def;
+ char *field_underscore;
if (scope) {
def = 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 = lookup_definition(scope, field_underscore);
+ g_free(field_underscore);
+ }
if (bt_ctf_field_type(def) == CTF_TYPE_VARIANT) {
struct definition_variant *variant_definition;
variant_definition = container_of(def,
return NULL;
}
-struct definition *bt_ctf_get_index(struct bt_ctf_event *event,
- struct definition *field,
+const struct definition *bt_ctf_get_index(const struct bt_ctf_event *ctf_event,
+ const struct definition *field,
unsigned int index)
{
struct definition *ret = NULL;
return ret;
}
-const char *bt_ctf_event_name(struct bt_ctf_event *event)
+const char *bt_ctf_event_name(const struct bt_ctf_event *ctf_event)
{
- struct ctf_event *event_class;
- struct ctf_stream_class *stream_class;
+ struct ctf_event_declaration *event_class;
+ struct ctf_stream_declaration *stream_class;
+ struct ctf_event_definition *event = ctf_event->parent;
if (!event)
return NULL;
const char *bt_ctf_field_name(const struct definition *def)
{
if (def)
- return g_quark_to_string(def->name);
+ return rem_(g_quark_to_string(def->name));
return NULL;
}
-enum ctf_type_id bt_ctf_field_type(struct definition *def)
+enum ctf_type_id bt_ctf_field_type(const struct definition *def)
{
if (def)
return def->declaration->id;
return CTF_TYPE_UNKNOWN;
}
-int bt_ctf_get_field_list(struct bt_ctf_event *event,
- struct definition *scope,
+int bt_ctf_get_field_list(const struct bt_ctf_event *ctf_event,
+ const struct definition *scope,
struct definition const * const **list,
unsigned int *count)
{
goto error;
case CTF_TYPE_STRUCT:
{
- struct definition_struct *def_struct;
+ const struct definition_struct *def_struct;
- def_struct = container_of(scope, struct definition_struct, p);
+ def_struct = container_of(scope, const struct definition_struct, p);
if (!def_struct)
goto error;
if (def_struct->fields->pdata) {
goto error;
case CTF_TYPE_VARIANT:
{
- struct definition_variant *def_variant;
+ const struct definition_variant *def_variant;
- def_variant = container_of(scope, struct definition_variant, p);
+ def_variant = container_of(scope, const struct definition_variant, p);
if (!def_variant)
goto error;
if (def_variant->fields->pdata) {
}
case CTF_TYPE_ARRAY:
{
- struct definition_array *def_array;
+ const struct definition_array *def_array;
- def_array = container_of(scope, struct definition_array, p);
+ def_array = container_of(scope, const struct definition_array, p);
if (!def_array)
goto error;
if (def_array->elems->pdata) {
}
case CTF_TYPE_SEQUENCE:
{
- struct definition_sequence *def_sequence;
+ const struct definition_sequence *def_sequence;
- def_sequence = container_of(scope, struct definition_sequence, p);
+ def_sequence = container_of(scope, const struct definition_sequence, p);
if (!def_sequence)
goto error;
if (def_sequence->elems->pdata) {
return -1;
}
-uint64_t bt_ctf_get_timestamp(struct bt_ctf_event *event)
+struct bt_context *bt_ctf_event_get_context(const struct bt_ctf_event *ctf_event)
+{
+ struct bt_context *ret = NULL;
+ struct ctf_file_stream *cfs;
+ struct ctf_trace *trace;
+ struct ctf_event_definition *event = ctf_event->parent;
+
+ cfs = container_of(event->stream, struct ctf_file_stream,
+ parent);
+ trace = cfs->parent.stream_class->trace;
+ if (trace->ctx)
+ ret = trace->ctx;
+
+ return ret;
+}
+
+int bt_ctf_event_get_handle_id(const struct bt_ctf_event *ctf_event)
+{
+ int ret = -1;
+ struct ctf_file_stream *cfs;
+ struct ctf_trace *trace;
+ struct ctf_event_definition *event = ctf_event->parent;
+
+ cfs = container_of(event->stream, struct ctf_file_stream,
+ parent);
+ trace = cfs->parent.stream_class->trace;
+ if (trace->handle)
+ ret = trace->handle->id;
+
+ return ret;
+}
+
+uint64_t bt_ctf_get_timestamp(const struct bt_ctf_event *ctf_event)
+{
+ struct ctf_event_definition *event = ctf_event->parent;
+ if (event && event->stream->has_timestamp)
+ return event->stream->real_timestamp;
+ else
+ return -1ULL;
+}
+
+uint64_t bt_ctf_get_cycles(const struct bt_ctf_event *ctf_event)
{
+ struct ctf_event_definition *event = ctf_event->parent;
if (event && event->stream->has_timestamp)
- return event->stream->timestamp;
+ return event->stream->cycles_timestamp;
else
- return 0;
+ return -1ULL;
}
static void bt_ctf_field_set_error(int error)
return ret;
}
-uint64_t bt_ctf_get_uint64(struct definition *field)
+int bt_ctf_get_int_signedness(const struct definition *field)
+{
+ int ret;
+
+ if (field && bt_ctf_field_type(field) == CTF_TYPE_INTEGER) {
+ ret = get_int_signedness(field);
+ } else {
+ ret = -1;
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+int bt_ctf_get_int_base(const struct definition *field)
{
- unsigned int ret = 0;
+ int ret;
+
+ if (field && bt_ctf_field_type(field) == CTF_TYPE_INTEGER) {
+ ret = get_int_base(field);
+ } else {
+ ret = -1;
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+int bt_ctf_get_int_byte_order(const struct definition *field)
+{
+ int ret;
+
+ if (field && bt_ctf_field_type(field) == CTF_TYPE_INTEGER) {
+ ret = get_int_byte_order(field);
+ } else {
+ ret = -1;
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+ssize_t bt_ctf_get_int_len(const struct definition *field)
+{
+ ssize_t ret;
+
+ if (field && bt_ctf_field_type(field) == CTF_TYPE_INTEGER) {
+ ret = (ssize_t) get_int_len(field);
+ } else {
+ ret = -1;
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+enum ctf_string_encoding bt_ctf_get_encoding(const struct definition *field)
+{
+ enum ctf_string_encoding ret = 0;
+
+ if (!field)
+ goto end;
+
+ if (bt_ctf_field_type(field) == CTF_TYPE_INTEGER)
+ ret = get_int_encoding(field);
+ else if (bt_ctf_field_type(field) == CTF_TYPE_STRING)
+ ret = get_string_encoding(field);
+ else
+ goto error;
+
+end:
+ return ret;
+
+error:
+ bt_ctf_field_set_error(-EINVAL);
+ return -1;
+}
+
+int bt_ctf_get_array_len(const struct definition *field)
+{
+ int ret;
+
+ if (field && bt_ctf_field_type(field) == CTF_TYPE_ARRAY) {
+ ret = get_array_len(field);
+ } else {
+ ret = -1;
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+uint64_t bt_ctf_get_uint64(const struct definition *field)
+{
+ uint64_t ret = 0;
if (field && bt_ctf_field_type(field) == CTF_TYPE_INTEGER)
ret = get_unsigned_int(field);
return ret;
}
-int64_t bt_ctf_get_int64(struct definition *field)
+int64_t bt_ctf_get_int64(const struct definition *field)
{
- int ret = 0;
+ int64_t ret = 0;
if (field && bt_ctf_field_type(field) == CTF_TYPE_INTEGER)
ret = get_signed_int(field);
}
-char *bt_ctf_get_char_array(struct definition *field)
+char *bt_ctf_get_char_array(const struct definition *field)
{
char *ret = NULL;
return ret;
}
-char *bt_ctf_get_string(struct definition *field)
+char *bt_ctf_get_string(const struct definition *field)
{
char *ret = NULL;
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 trace_descriptor *td;
+ struct ctf_trace *tin;
+
+ if (!ctx)
+ goto error;
+
+ handle = g_hash_table_lookup(ctx->trace_handles,
+ (gpointer) (unsigned long) 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);
+}
+
+int bt_ctf_get_decl_fields(struct bt_ctf_event_decl *event_decl,
+ enum bt_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;
+ *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 rem_(g_quark_to_string(((struct declaration_field *) field)->name));
+ return NULL;
+}
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