--- /dev/null
+/*
+ * Copyright 2018 - Philippe Proulx <pproulx@efficios.com>
+ *
+ * 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.
+ */
+
+#define BT_LOG_TAG "PLUGIN-CTF-METADATA-META-TRANSLATE"
+#include "logging.h"
+
+#include <babeltrace2/babeltrace.h>
+#include "common/babeltrace.h"
+#include "common/assert.h"
+#include <glib.h>
+#include <stdint.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "ctf-meta-visitors.h"
+
+struct ctx {
+ bt_self_component_source *self_comp;
+ bt_trace_class *ir_tc;
+ bt_stream_class *ir_sc;
+ struct ctf_trace_class *tc;
+ struct ctf_stream_class *sc;
+ struct ctf_event_class *ec;
+ enum ctf_scope scope;
+};
+
+static inline
+bt_field_class *ctf_field_class_to_ir(struct ctx *ctx,
+ struct ctf_field_class *fc);
+
+static inline
+void ctf_field_class_int_set_props(struct ctf_field_class_int *fc,
+ bt_field_class *ir_fc)
+{
+ bt_field_class_integer_set_field_value_range(ir_fc,
+ fc->base.size);
+ bt_field_class_integer_set_preferred_display_base(ir_fc,
+ fc->disp_base);
+}
+
+static inline
+bt_field_class *ctf_field_class_int_to_ir(struct ctx *ctx,
+ struct ctf_field_class_int *fc)
+{
+ bt_field_class *ir_fc;
+
+ if (fc->is_signed) {
+ ir_fc = bt_field_class_signed_integer_create(ctx->ir_tc);
+ } else {
+ ir_fc = bt_field_class_unsigned_integer_create(ctx->ir_tc);
+ }
+
+ BT_ASSERT(ir_fc);
+ ctf_field_class_int_set_props(fc, ir_fc);
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_enum_to_ir(struct ctx *ctx,
+ struct ctf_field_class_enum *fc)
+{
+ int ret;
+ bt_field_class *ir_fc;
+ uint64_t i;
+
+ if (fc->base.is_signed) {
+ ir_fc = bt_field_class_signed_enumeration_create(ctx->ir_tc);
+ } else {
+ ir_fc = bt_field_class_unsigned_enumeration_create(ctx->ir_tc);
+ }
+
+ BT_ASSERT(ir_fc);
+ ctf_field_class_int_set_props((void *) fc, ir_fc);
+
+ for (i = 0; i < fc->mappings->len; i++) {
+ struct ctf_field_class_enum_mapping *mapping =
+ ctf_field_class_enum_borrow_mapping_by_index(fc, i);
+
+ if (fc->base.is_signed) {
+ ret = bt_field_class_signed_enumeration_map_range(
+ ir_fc, mapping->label->str,
+ mapping->range.lower.i, mapping->range.upper.i);
+ } else {
+ ret = bt_field_class_unsigned_enumeration_map_range(
+ ir_fc, mapping->label->str,
+ mapping->range.lower.u, mapping->range.upper.u);
+ }
+
+ BT_ASSERT(ret == 0);
+ }
+
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_float_to_ir(struct ctx *ctx,
+ struct ctf_field_class_float *fc)
+{
+ bt_field_class *ir_fc;
+
+ ir_fc = bt_field_class_real_create(ctx->ir_tc);
+ BT_ASSERT(ir_fc);
+
+ if (fc->base.size == 32) {
+ bt_field_class_real_set_is_single_precision(ir_fc,
+ BT_TRUE);
+ }
+
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_string_to_ir(struct ctx *ctx,
+ struct ctf_field_class_string *fc)
+{
+ bt_field_class *ir_fc = bt_field_class_string_create(ctx->ir_tc);
+
+ BT_ASSERT(ir_fc);
+ return ir_fc;
+}
+
+static inline
+void translate_struct_field_class_members(struct ctx *ctx,
+ struct ctf_field_class_struct *fc, bt_field_class *ir_fc,
+ bool with_header_prefix,
+ struct ctf_field_class_struct *context_fc)
+{
+ uint64_t i;
+ int ret;
+
+ for (i = 0; i < fc->members->len; i++) {
+ struct ctf_named_field_class *named_fc =
+ ctf_field_class_struct_borrow_member_by_index(fc, i);
+ bt_field_class *member_ir_fc;
+ const char *name = named_fc->name->str;
+
+ if (!named_fc->fc->in_ir) {
+ continue;
+ }
+
+ member_ir_fc = ctf_field_class_to_ir(ctx, named_fc->fc);
+ BT_ASSERT(member_ir_fc);
+ ret = bt_field_class_structure_append_member(ir_fc, name,
+ member_ir_fc);
+ BT_ASSERT(ret == 0);
+ bt_field_class_put_ref(member_ir_fc);
+ }
+}
+
+static inline
+bt_field_class *ctf_field_class_struct_to_ir(struct ctx *ctx,
+ struct ctf_field_class_struct *fc)
+{
+ bt_field_class *ir_fc = bt_field_class_structure_create(ctx->ir_tc);
+
+ BT_ASSERT(ir_fc);
+ translate_struct_field_class_members(ctx, fc, ir_fc, false, NULL);
+ return ir_fc;
+}
+
+static inline
+bt_field_class *borrow_ir_fc_from_field_path(struct ctx *ctx,
+ struct ctf_field_path *field_path)
+{
+ bt_field_class *ir_fc = NULL;
+ struct ctf_field_class *fc = ctf_field_path_borrow_field_class(
+ field_path, ctx->tc, ctx->sc, ctx->ec);
+
+ BT_ASSERT(fc);
+
+ if (fc->in_ir) {
+ ir_fc = fc->ir_fc;
+ }
+
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_variant_to_ir(struct ctx *ctx,
+ struct ctf_field_class_variant *fc)
+{
+ int ret;
+ bt_field_class *ir_fc = bt_field_class_variant_create(ctx->ir_tc);
+ uint64_t i;
+
+ BT_ASSERT(ir_fc);
+
+ if (fc->tag_path.root != CTF_SCOPE_PACKET_HEADER &&
+ fc->tag_path.root != CTF_SCOPE_EVENT_HEADER) {
+ ret = bt_field_class_variant_set_selector_field_class(
+ ir_fc, borrow_ir_fc_from_field_path(ctx,
+ &fc->tag_path));
+ BT_ASSERT(ret == 0);
+ }
+
+ for (i = 0; i < fc->options->len; i++) {
+ struct ctf_named_field_class *named_fc =
+ ctf_field_class_variant_borrow_option_by_index(fc, i);
+ bt_field_class *option_ir_fc;
+
+ BT_ASSERT(named_fc->fc->in_ir);
+ option_ir_fc = ctf_field_class_to_ir(ctx, named_fc->fc);
+ BT_ASSERT(option_ir_fc);
+ ret = bt_field_class_variant_append_option(
+ ir_fc, named_fc->name->str, option_ir_fc);
+ BT_ASSERT(ret == 0);
+ bt_field_class_put_ref(option_ir_fc);
+ }
+
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_array_to_ir(struct ctx *ctx,
+ struct ctf_field_class_array *fc)
+{
+ bt_field_class *ir_fc;
+ bt_field_class *elem_ir_fc;
+
+ if (fc->base.is_text) {
+ ir_fc = bt_field_class_string_create(ctx->ir_tc);
+ BT_ASSERT(ir_fc);
+ goto end;
+ }
+
+ elem_ir_fc = ctf_field_class_to_ir(ctx, fc->base.elem_fc);
+ BT_ASSERT(elem_ir_fc);
+ ir_fc = bt_field_class_static_array_create(ctx->ir_tc, elem_ir_fc,
+ fc->length);
+ BT_ASSERT(ir_fc);
+ bt_field_class_put_ref(elem_ir_fc);
+
+end:
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_sequence_to_ir(struct ctx *ctx,
+ struct ctf_field_class_sequence *fc)
+{
+ int ret;
+ bt_field_class *ir_fc;
+ bt_field_class *elem_ir_fc;
+
+ if (fc->base.is_text) {
+ ir_fc = bt_field_class_string_create(ctx->ir_tc);
+ BT_ASSERT(ir_fc);
+ goto end;
+ }
+
+ elem_ir_fc = ctf_field_class_to_ir(ctx, fc->base.elem_fc);
+ BT_ASSERT(elem_ir_fc);
+ ir_fc = bt_field_class_dynamic_array_create(ctx->ir_tc, elem_ir_fc);
+ BT_ASSERT(ir_fc);
+ bt_field_class_put_ref(elem_ir_fc);
+ BT_ASSERT(ir_fc);
+
+ if (fc->length_path.root != CTF_SCOPE_PACKET_HEADER &&
+ fc->length_path.root != CTF_SCOPE_EVENT_HEADER) {
+ ret = bt_field_class_dynamic_array_set_length_field_class(
+ ir_fc, borrow_ir_fc_from_field_path(ctx, &fc->length_path));
+ BT_ASSERT(ret == 0);
+ }
+
+end:
+ return ir_fc;
+}
+
+static inline
+bt_field_class *ctf_field_class_to_ir(struct ctx *ctx,
+ struct ctf_field_class *fc)
+{
+ bt_field_class *ir_fc = NULL;
+
+ BT_ASSERT(fc);
+ BT_ASSERT(fc->in_ir);
+
+ switch (fc->type) {
+ case CTF_FIELD_CLASS_TYPE_INT:
+ ir_fc = ctf_field_class_int_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_ENUM:
+ ir_fc = ctf_field_class_enum_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_FLOAT:
+ ir_fc = ctf_field_class_float_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_STRING:
+ ir_fc = ctf_field_class_string_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_STRUCT:
+ ir_fc = ctf_field_class_struct_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_ARRAY:
+ ir_fc = ctf_field_class_array_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_SEQUENCE:
+ ir_fc = ctf_field_class_sequence_to_ir(ctx, (void *) fc);
+ break;
+ case CTF_FIELD_CLASS_TYPE_VARIANT:
+ ir_fc = ctf_field_class_variant_to_ir(ctx, (void *) fc);
+ break;
+ default:
+ abort();
+ }
+
+ fc->ir_fc = ir_fc;
+ return ir_fc;
+}
+
+static inline
+bool ctf_field_class_struct_has_immediate_member_in_ir(
+ struct ctf_field_class_struct *fc)
+{
+ uint64_t i;
+ bool has_immediate_member_in_ir = false;
+
+ /*
+ * If the structure field class has no members at all, then it
+ * was an empty structure in the beginning, so leave it existing
+ * and empty.
+ */
+ if (fc->members->len == 0) {
+ has_immediate_member_in_ir = true;
+ goto end;
+ }
+
+ for (i = 0; i < fc->members->len; i++) {
+ struct ctf_named_field_class *named_fc =
+ ctf_field_class_struct_borrow_member_by_index(fc, i);
+
+ if (named_fc->fc->in_ir) {
+ has_immediate_member_in_ir = true;
+ goto end;
+ }
+ }
+
+end:
+ return has_immediate_member_in_ir;
+}
+
+static inline
+bt_field_class *scope_ctf_field_class_to_ir(struct ctx *ctx)
+{
+ bt_field_class *ir_fc = NULL;
+ struct ctf_field_class *fc = NULL;
+
+ switch (ctx->scope) {
+ case CTF_SCOPE_PACKET_CONTEXT:
+ fc = ctx->sc->packet_context_fc;
+ break;
+ case CTF_SCOPE_EVENT_COMMON_CONTEXT:
+ fc = ctx->sc->event_common_context_fc;
+ break;
+ case CTF_SCOPE_EVENT_SPECIFIC_CONTEXT:
+ fc = ctx->ec->spec_context_fc;
+ break;
+ case CTF_SCOPE_EVENT_PAYLOAD:
+ fc = ctx->ec->payload_fc;
+ break;
+ default:
+ abort();
+ }
+
+ if (fc && ctf_field_class_struct_has_immediate_member_in_ir(
+ (void *) fc)) {
+ ir_fc = ctf_field_class_to_ir(ctx, fc);
+ }
+
+ return ir_fc;
+}
+
+static inline
+void ctf_event_class_to_ir(struct ctx *ctx)
+{
+ int ret;
+ bt_event_class *ir_ec = NULL;
+ bt_field_class *ir_fc;
+
+ BT_ASSERT(ctx->ec);
+
+ if (ctx->ec->is_translated) {
+ ir_ec = bt_stream_class_borrow_event_class_by_id(
+ ctx->ir_sc, ctx->ec->id);
+ BT_ASSERT(ir_ec);
+ goto end;
+ }
+
+ ir_ec = bt_event_class_create_with_id(ctx->ir_sc, ctx->ec->id);
+ BT_ASSERT(ir_ec);
+ bt_event_class_put_ref(ir_ec);
+ ctx->scope = CTF_SCOPE_EVENT_SPECIFIC_CONTEXT;
+ ir_fc = scope_ctf_field_class_to_ir(ctx);
+ if (ir_fc) {
+ ret = bt_event_class_set_specific_context_field_class(
+ ir_ec, ir_fc);
+ BT_ASSERT(ret == 0);
+ bt_field_class_put_ref(ir_fc);
+ }
+
+ ctx->scope = CTF_SCOPE_EVENT_PAYLOAD;
+ ir_fc = scope_ctf_field_class_to_ir(ctx);
+ if (ir_fc) {
+ ret = bt_event_class_set_payload_field_class(ir_ec,
+ ir_fc);
+ BT_ASSERT(ret == 0);
+ bt_field_class_put_ref(ir_fc);
+ }
+
+ if (ctx->ec->name->len > 0) {
+ ret = bt_event_class_set_name(ir_ec, ctx->ec->name->str);
+ BT_ASSERT(ret == 0);
+ }
+
+ if (ctx->ec->emf_uri->len > 0) {
+ ret = bt_event_class_set_emf_uri(ir_ec, ctx->ec->emf_uri->str);
+ BT_ASSERT(ret == 0);
+ }
+
+ if (ctx->ec->log_level != -1) {
+ bt_event_class_set_log_level(ir_ec, ctx->ec->log_level);
+ }
+
+ ctx->ec->is_translated = true;
+ ctx->ec->ir_ec = ir_ec;
+
+end:
+ return;
+}
+
+
+static inline
+void ctf_stream_class_to_ir(struct ctx *ctx)
+{
+ int ret;
+ bt_field_class *ir_fc;
+
+ BT_ASSERT(ctx->sc);
+
+ if (ctx->sc->is_translated) {
+ ctx->ir_sc = bt_trace_class_borrow_stream_class_by_id(
+ ctx->ir_tc, ctx->sc->id);
+ BT_ASSERT(ctx->ir_sc);
+ goto end;
+ }
+
+ ctx->ir_sc = bt_stream_class_create_with_id(ctx->ir_tc, ctx->sc->id);
+ BT_ASSERT(ctx->ir_sc);
+ bt_stream_class_put_ref(ctx->ir_sc);
+ ctx->scope = CTF_SCOPE_PACKET_CONTEXT;
+ ir_fc = scope_ctf_field_class_to_ir(ctx);
+ if (ir_fc) {
+ ret = bt_stream_class_set_packet_context_field_class(
+ ctx->ir_sc, ir_fc);
+ BT_ASSERT(ret == 0);
+ bt_field_class_put_ref(ir_fc);
+ }
+
+ ctx->scope = CTF_SCOPE_EVENT_COMMON_CONTEXT;
+ ir_fc = scope_ctf_field_class_to_ir(ctx);
+ if (ir_fc) {
+ ret = bt_stream_class_set_event_common_context_field_class(
+ ctx->ir_sc, ir_fc);
+ BT_ASSERT(ret == 0);
+ bt_field_class_put_ref(ir_fc);
+ }
+
+ bt_stream_class_set_assigns_automatic_event_class_id(ctx->ir_sc,
+ BT_FALSE);
+ bt_stream_class_set_assigns_automatic_stream_id(ctx->ir_sc, BT_FALSE);
+
+ if (ctx->sc->default_clock_class) {
+ BT_ASSERT(ctx->sc->default_clock_class->ir_cc);
+ ret = bt_stream_class_set_default_clock_class(ctx->ir_sc,
+ ctx->sc->default_clock_class->ir_cc);
+ BT_ASSERT(ret == 0);
+ }
+
+ bt_stream_class_set_packets_have_beginning_default_clock_snapshot(
+ ctx->ir_sc, ctx->sc->packets_have_ts_begin);
+ bt_stream_class_set_packets_have_end_default_clock_snapshot(
+ ctx->ir_sc, ctx->sc->packets_have_ts_end);
+ bt_stream_class_set_supports_discarded_events(ctx->ir_sc,
+ ctx->sc->has_discarded_events,
+ ctx->sc->discarded_events_have_default_cs);
+ bt_stream_class_set_supports_discarded_packets(ctx->ir_sc,
+ ctx->sc->has_discarded_packets,
+ ctx->sc->discarded_packets_have_default_cs);
+ ctx->sc->is_translated = true;
+ ctx->sc->ir_sc = ctx->ir_sc;
+
+end:
+ return;
+}
+
+static inline
+void ctf_clock_class_to_ir(bt_clock_class *ir_cc, struct ctf_clock_class *cc)
+{
+ int ret;
+
+ if (strlen(cc->name->str) > 0) {
+ ret = bt_clock_class_set_name(ir_cc, cc->name->str);
+ BT_ASSERT(ret == 0);
+ }
+
+ if (strlen(cc->description->str) > 0) {
+ ret = bt_clock_class_set_description(ir_cc, cc->description->str);
+ BT_ASSERT(ret == 0);
+ }
+
+ bt_clock_class_set_frequency(ir_cc, cc->frequency);
+ bt_clock_class_set_precision(ir_cc, cc->precision);
+ bt_clock_class_set_offset(ir_cc, cc->offset_seconds, cc->offset_cycles);
+
+ if (cc->has_uuid) {
+ bt_clock_class_set_uuid(ir_cc, cc->uuid);
+ }
+
+ bt_clock_class_set_origin_is_unix_epoch(ir_cc, cc->is_absolute);
+}
+
+static inline
+int ctf_trace_class_to_ir(struct ctx *ctx)
+{
+ int ret = 0;
+ uint64_t i;
+
+ BT_ASSERT(ctx->tc);
+ BT_ASSERT(ctx->ir_tc);
+
+ if (ctx->tc->is_translated) {
+ goto end;
+ }
+
+ if (ctx->tc->is_uuid_set) {
+ bt_trace_class_set_uuid(ctx->ir_tc, ctx->tc->uuid);
+ }
+
+ for (i = 0; i < ctx->tc->env_entries->len; i++) {
+ struct ctf_trace_class_env_entry *env_entry =
+ ctf_trace_class_borrow_env_entry_by_index(ctx->tc, i);
+
+ switch (env_entry->type) {
+ case CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT:
+ ret = bt_trace_class_set_environment_entry_integer(
+ ctx->ir_tc, env_entry->name->str,
+ env_entry->value.i);
+ break;
+ case CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR:
+ ret = bt_trace_class_set_environment_entry_string(
+ ctx->ir_tc, env_entry->name->str,
+ env_entry->value.str->str);
+ break;
+ default:
+ abort();
+ }
+
+ if (ret) {
+ goto end;
+ }
+ }
+
+ for (i = 0; i < ctx->tc->clock_classes->len; i++) {
+ struct ctf_clock_class *cc = ctx->tc->clock_classes->pdata[i];
+
+ cc->ir_cc = bt_clock_class_create(
+ bt_self_component_source_as_self_component(
+ ctx->self_comp));
+ ctf_clock_class_to_ir(cc->ir_cc, cc);
+ }
+
+ bt_trace_class_set_assigns_automatic_stream_class_id(ctx->ir_tc,
+ BT_FALSE);
+ ctx->tc->is_translated = true;
+ ctx->tc->ir_tc = ctx->ir_tc;
+
+end:
+ return ret;
+}
+
+BT_HIDDEN
+int ctf_trace_class_translate(bt_self_component_source *self_comp,
+ bt_trace_class *ir_tc, struct ctf_trace_class *tc)
+{
+ int ret = 0;
+ uint64_t i;
+ struct ctx ctx = { 0 };
+
+ ctx.self_comp = self_comp;
+ ctx.tc = tc;
+ ctx.ir_tc = ir_tc;
+ ret = ctf_trace_class_to_ir(&ctx);
+ if (ret) {
+ goto end;
+ }
+
+ for (i = 0; i < tc->stream_classes->len; i++) {
+ uint64_t j;
+ ctx.sc = tc->stream_classes->pdata[i];
+
+ ctf_stream_class_to_ir(&ctx);
+
+ for (j = 0; j < ctx.sc->event_classes->len; j++) {
+ ctx.ec = ctx.sc->event_classes->pdata[j];
+
+ ctf_event_class_to_ir(&ctx);
+ ctx.ec = NULL;
+ }
+
+ ctx.sc = NULL;
+ }
+
+end:
+ return ret;
+}
projects / babeltrace.git / blobdiff